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gerrit-public.fairphone.software / kernel / msm-5.4 / 841c950d67c6facde32a8644ced20c04aebb7dd8 / . / drivers / net / ethernet / intel / i40e / i40e_ethtool.c
blob: a868c8d4fec97c3afb68262e0433e819b3816f66 [file] [log] [blame]
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1/*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
Shannon Nelson66fc3602016-01-13 16:51:42 -0800[diff] [blame]4 * Copyright(c) 2013 - 2016 Intel Corporation.
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
Greg Rosedc641b72013-12-18 13:45:51 +0000[diff] [blame]15 * You should have received a copy of the GNU General Public License along
16 * with this program. If not, see <http://www.gnu.org/licenses/>.
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]17 *
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
20 *
21 * Contact Information:
22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 ******************************************************************************/
26
27/* ethtool support for i40e */
28
29#include "i40e.h"
30#include "i40e_diag.h"
31
32struct i40e_stats {
33 char stat_string[ETH_GSTRING_LEN];
34 int sizeof_stat;
35 int stat_offset;
36};
37
38#define I40E_STAT(_type, _name, _stat) { \
39 .stat_string = _name, \
40 .sizeof_stat = FIELD_SIZEOF(_type, _stat), \
41 .stat_offset = offsetof(_type, _stat) \
42}
Shannon Nelsonfad177d2014-11-11 20:07:27 +0000[diff] [blame]43
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]44#define I40E_NETDEV_STAT(_net_stat) \
Shannon Nelsonfad177d2014-11-11 20:07:27 +0000[diff] [blame]45 I40E_STAT(struct rtnl_link_stats64, #_net_stat, _net_stat)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]46#define I40E_PF_STAT(_name, _stat) \
47 I40E_STAT(struct i40e_pf, _name, _stat)
48#define I40E_VSI_STAT(_name, _stat) \
49 I40E_STAT(struct i40e_vsi, _name, _stat)
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]50#define I40E_VEB_STAT(_name, _stat) \
51 I40E_STAT(struct i40e_veb, _name, _stat)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]52
53static const struct i40e_stats i40e_gstrings_net_stats[] = {
54 I40E_NETDEV_STAT(rx_packets),
55 I40E_NETDEV_STAT(tx_packets),
56 I40E_NETDEV_STAT(rx_bytes),
57 I40E_NETDEV_STAT(tx_bytes),
58 I40E_NETDEV_STAT(rx_errors),
59 I40E_NETDEV_STAT(tx_errors),
60 I40E_NETDEV_STAT(rx_dropped),
61 I40E_NETDEV_STAT(tx_dropped),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]62 I40E_NETDEV_STAT(collisions),
63 I40E_NETDEV_STAT(rx_length_errors),
64 I40E_NETDEV_STAT(rx_crc_errors),
65};
66
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]67static const struct i40e_stats i40e_gstrings_veb_stats[] = {
68 I40E_VEB_STAT("rx_bytes", stats.rx_bytes),
69 I40E_VEB_STAT("tx_bytes", stats.tx_bytes),
70 I40E_VEB_STAT("rx_unicast", stats.rx_unicast),
71 I40E_VEB_STAT("tx_unicast", stats.tx_unicast),
72 I40E_VEB_STAT("rx_multicast", stats.rx_multicast),
73 I40E_VEB_STAT("tx_multicast", stats.tx_multicast),
74 I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast),
75 I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast),
76 I40E_VEB_STAT("rx_discards", stats.rx_discards),
77 I40E_VEB_STAT("tx_discards", stats.tx_discards),
78 I40E_VEB_STAT("tx_errors", stats.tx_errors),
79 I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol),
80};
81
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]82static const struct i40e_stats i40e_gstrings_misc_stats[] = {
Shannon Nelson418631d2014-04-23 04:50:07 +0000[diff] [blame]83 I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
84 I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
85 I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
86 I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]87 I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
88 I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
Shannon Nelson418631d2014-04-23 04:50:07 +0000[diff] [blame]89 I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
Anjali Singhai Jain2fc3d712015-08-27 11:42:29 -0400[diff] [blame]90 I40E_VSI_STAT("tx_linearize", tx_linearize),
Anjali Singhai Jain164c9f52015-10-21 19:47:08 -0400[diff] [blame]91 I40E_VSI_STAT("tx_force_wb", tx_force_wb),
Jesse Brandeburgc40918c2016-01-04 10:33:10 -0800[diff] [blame]92 I40E_VSI_STAT("rx_alloc_fail", rx_buf_failed),
93 I40E_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]94};
95
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]96/* These PF_STATs might look like duplicates of some NETDEV_STATs,
97 * but they are separate. This device supports Virtualization, and
98 * as such might have several netdevs supporting VMDq and FCoE going
99 * through a single port. The NETDEV_STATs are for individual netdevs
100 * seen at the top of the stack, and the PF_STATs are for the physical
101 * function at the bottom of the stack hosting those netdevs.
102 *
103 * The PF_STATs are appended to the netdev stats only when ethtool -S
104 * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
105 */
Joe Perchesfe180a52016-09-26 20:17:01 -0700[diff] [blame]106static const struct i40e_stats i40e_gstrings_stats[] = {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]107 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
108 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
Shannon Nelson532d2832014-04-23 04:50:09 +0000[diff] [blame]109 I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
110 I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
111 I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
112 I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
113 I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
114 I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]115 I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
116 I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]117 I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
Shannon Nelson9f7c9442015-07-10 19:35:57 -0400[diff] [blame]118 I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]119 I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
120 I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
121 I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
Jesse Brandeburga47a15f2014-02-06 05:51:09 +0000[diff] [blame]122 I40E_PF_STAT("tx_timeout", tx_timeout_count),
Jesse Brandeburg8a3c91c2014-05-20 08:01:43 +0000[diff] [blame]123 I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]124 I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
125 I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
126 I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
127 I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
128 I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
129 I40E_PF_STAT("rx_size_64", stats.rx_size_64),
130 I40E_PF_STAT("rx_size_127", stats.rx_size_127),
131 I40E_PF_STAT("rx_size_255", stats.rx_size_255),
132 I40E_PF_STAT("rx_size_511", stats.rx_size_511),
133 I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
134 I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
135 I40E_PF_STAT("rx_size_big", stats.rx_size_big),
136 I40E_PF_STAT("tx_size_64", stats.tx_size_64),
137 I40E_PF_STAT("tx_size_127", stats.tx_size_127),
138 I40E_PF_STAT("tx_size_255", stats.tx_size_255),
139 I40E_PF_STAT("tx_size_511", stats.tx_size_511),
140 I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
141 I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
142 I40E_PF_STAT("tx_size_big", stats.tx_size_big),
143 I40E_PF_STAT("rx_undersize", stats.rx_undersize),
144 I40E_PF_STAT("rx_fragments", stats.rx_fragments),
145 I40E_PF_STAT("rx_oversize", stats.rx_oversize),
146 I40E_PF_STAT("rx_jabber", stats.rx_jabber),
147 I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
Mitch Williams1d0a4ad2015-12-23 12:05:48 -0800[diff] [blame]148 I40E_PF_STAT("arq_overflows", arq_overflows),
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000[diff] [blame]149 I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
Jacob Keller2955fac2017-05-03 10:28:58 -0700[diff] [blame]150 I40E_PF_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped),
Anjali Singhai Jain60793f4a2014-07-09 07:46:23 +0000[diff] [blame]151 I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
Anjali Singhai Jain433c47d2014-05-22 06:32:17 +0000[diff] [blame]152 I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
Anjali Singhai Jain60ccd452015-04-16 20:06:01 -0400[diff] [blame]153 I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
Anjali Singhai Jaind0389e52015-04-22 19:34:05 -0400[diff] [blame]154 I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
Anjali Singhai Jain433c47d2014-05-22 06:32:17 +0000[diff] [blame]155 I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
Anjali Singhai Jaind0389e52015-04-22 19:34:05 -0400[diff] [blame]156 I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
Anjali Singhai Jain433c47d2014-05-22 06:32:17 +0000[diff] [blame]157
Anjali Singhai Jainbee5af72014-03-06 08:59:50 +0000[diff] [blame]158 /* LPI stats */
159 I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
160 I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
161 I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
162 I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]163};
164
165#define I40E_QUEUE_STATS_LEN(n) \
Shannon Nelson31cd8402014-04-04 04:43:12 +0000[diff] [blame]166 (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
167 * 2 /* Tx and Rx together */ \
168 * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]169#define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats)
170#define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats)
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]171#define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]172#define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]173 I40E_MISC_STATS_LEN + \
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]174 I40E_QUEUE_STATS_LEN((n)))
175#define I40E_PFC_STATS_LEN ( \
176 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
177 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
178 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
179 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
180 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
181 / sizeof(u64))
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]182#define I40E_VEB_TC_STATS_LEN ( \
183 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
184 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
185 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
186 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
187 / sizeof(u64))
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]188#define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats)
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]189#define I40E_VEB_STATS_TOTAL (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]190#define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \
191 I40E_PFC_STATS_LEN + \
192 I40E_VSI_STATS_LEN((n)))
193
194enum i40e_ethtool_test_id {
195 I40E_ETH_TEST_REG = 0,
196 I40E_ETH_TEST_EEPROM,
197 I40E_ETH_TEST_INTR,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]198 I40E_ETH_TEST_LINK,
199};
200
201static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
202 "Register test (offline)",
203 "Eeprom test (offline)",
204 "Interrupt test (offline)",
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]205 "Link test (on/offline)"
206};
207
208#define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
209
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]210struct i40e_priv_flags {
211 char flag_string[ETH_GSTRING_LEN];
212 u64 flag;
213 bool read_only;
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]214};
215
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]216#define I40E_PRIV_FLAG(_name, _flag, _read_only) { \
217 .flag_string = _name, \
218 .flag = _flag, \
219 .read_only = _read_only, \
220}
221
222static const struct i40e_priv_flags i40e_gstrings_priv_flags[] = {
223 /* NOTE: MFP setting cannot be changed */
224 I40E_PRIV_FLAG("MFP", I40E_FLAG_MFP_ENABLED, 1),
225 I40E_PRIV_FLAG("LinkPolling", I40E_FLAG_LINK_POLLING_ENABLED, 0),
226 I40E_PRIV_FLAG("flow-director-atr", I40E_FLAG_FD_ATR_ENABLED, 0),
227 I40E_PRIV_FLAG("veb-stats", I40E_FLAG_VEB_STATS_ENABLED, 0),
Jacob Keller6964e532017-06-12 15:38:36 -0700[diff] [blame]228 I40E_PRIV_FLAG("hw-atr-eviction", I40E_FLAG_HW_ATR_EVICT_ENABLED, 0),
Alexander Duyckc424d4a2017-03-14 10:15:26 -0700[diff] [blame]229 I40E_PRIV_FLAG("legacy-rx", I40E_FLAG_LEGACY_RX, 0),
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]230};
231
232#define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_gstrings_priv_flags)
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]233
Jacob Kellerd182a5c2016-10-25 16:08:50 -0700[diff] [blame]234/* Private flags with a global effect, restricted to PF 0 */
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]235static const struct i40e_priv_flags i40e_gl_gstrings_priv_flags[] = {
236 I40E_PRIV_FLAG("vf-true-promisc-support",
237 I40E_FLAG_TRUE_PROMISC_SUPPORT, 0),
Jacob Kellerd182a5c2016-10-25 16:08:50 -0700[diff] [blame]238};
239
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]240#define I40E_GL_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_gl_gstrings_priv_flags)
Jacob Kellerd182a5c2016-10-25 16:08:50 -0700[diff] [blame]241
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]242/**
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]243 * i40e_partition_setting_complaint - generic complaint for MFP restriction
244 * @pf: the PF struct
245 **/
246static void i40e_partition_setting_complaint(struct i40e_pf *pf)
247{
248 dev_info(&pf->pdev->dev,
249 "The link settings are allowed to be changed only from the first partition of a given port. Please switch to the first partition in order to change the setting.\n");
250}
251
252/**
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]253 * i40e_phy_type_to_ethtool - convert the phy_types to ethtool link modes
254 * @phy_types: PHY types to convert
255 * @supported: pointer to the ethtool supported variable to fill in
256 * @advertising: pointer to the ethtool advertising variable to fill in
257 *
258 **/
259static void i40e_phy_type_to_ethtool(struct i40e_pf *pf, u32 *supported,
260 u32 *advertising)
261{
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]262 struct i40e_link_status *hw_link_info = &pf->hw.phy.link_info;
Carolyn Wyborny31232372016-11-21 13:03:48 -0800[diff] [blame]263 u64 phy_types = pf->hw.phy.phy_types;
264
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]265 *supported = 0x0;
266 *advertising = 0x0;
267
268 if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
269 *supported |= SUPPORTED_Autoneg |
270 SUPPORTED_1000baseT_Full;
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]271 *advertising |= ADVERTISED_Autoneg;
272 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
273 *advertising |= ADVERTISED_1000baseT_Full;
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]274 if (pf->hw_features & I40E_HW_100M_SGMII_CAPABLE) {
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]275 *supported |= SUPPORTED_100baseT_Full;
276 *advertising |= ADVERTISED_100baseT_Full;
277 }
278 }
279 if (phy_types & I40E_CAP_PHY_TYPE_XAUI ||
280 phy_types & I40E_CAP_PHY_TYPE_XFI ||
281 phy_types & I40E_CAP_PHY_TYPE_SFI ||
282 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU ||
283 phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC)
284 *supported |= SUPPORTED_10000baseT_Full;
285 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU ||
286 phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
287 phy_types & I40E_CAP_PHY_TYPE_10GBASE_T ||
288 phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR ||
289 phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) {
290 *supported |= SUPPORTED_Autoneg |
291 SUPPORTED_10000baseT_Full;
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]292 *advertising |= ADVERTISED_Autoneg;
293 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
294 *advertising |= ADVERTISED_10000baseT_Full;
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]295 }
296 if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
297 phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
298 phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
299 *supported |= SUPPORTED_40000baseCR4_Full;
300 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
301 phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
302 *supported |= SUPPORTED_Autoneg |
303 SUPPORTED_40000baseCR4_Full;
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]304 *advertising |= ADVERTISED_Autoneg;
305 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_40GB)
306 *advertising |= ADVERTISED_40000baseCR4_Full;
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]307 }
Avinash Dayanand01a7a9f2016-05-16 10:26:40 -0700[diff] [blame]308 if (phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) {
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]309 *supported |= SUPPORTED_Autoneg |
310 SUPPORTED_100baseT_Full;
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]311 *advertising |= ADVERTISED_Autoneg;
312 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
313 *advertising |= ADVERTISED_100baseT_Full;
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]314 }
315 if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T ||
316 phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
317 phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
318 phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) {
319 *supported |= SUPPORTED_Autoneg |
320 SUPPORTED_1000baseT_Full;
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]321 *advertising |= ADVERTISED_Autoneg;
322 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
323 *advertising |= ADVERTISED_1000baseT_Full;
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]324 }
325 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
326 *supported |= SUPPORTED_40000baseSR4_Full;
327 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
328 *supported |= SUPPORTED_40000baseLR4_Full;
329 if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
330 *supported |= SUPPORTED_40000baseKR4_Full |
331 SUPPORTED_Autoneg;
332 *advertising |= ADVERTISED_40000baseKR4_Full |
333 ADVERTISED_Autoneg;
334 }
335 if (phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
336 *supported |= SUPPORTED_20000baseKR2_Full |
337 SUPPORTED_Autoneg;
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]338 *advertising |= ADVERTISED_Autoneg;
339 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_20GB)
340 *advertising |= ADVERTISED_20000baseKR2_Full;
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]341 }
342 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) {
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]343 if (!(pf->hw_features & I40E_HW_HAVE_CRT_RETIMER))
Harshitha Ramamurthy4ad9f4f2016-11-08 13:05:09 -0800[diff] [blame]344 *supported |= SUPPORTED_10000baseKR_Full |
345 SUPPORTED_Autoneg;
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]346 *advertising |= ADVERTISED_Autoneg;
347 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]348 if (!(pf->hw_features & I40E_HW_HAVE_CRT_RETIMER))
Harshitha Ramamurthy4ad9f4f2016-11-08 13:05:09 -0800[diff] [blame]349 *advertising |= ADVERTISED_10000baseKR_Full;
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]350 }
351 if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
352 *supported |= SUPPORTED_10000baseKX4_Full |
353 SUPPORTED_Autoneg;
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]354 *advertising |= ADVERTISED_Autoneg;
355 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
356 *advertising |= ADVERTISED_10000baseKX4_Full;
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]357 }
358 if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) {
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]359 if (!(pf->hw_features & I40E_HW_HAVE_CRT_RETIMER))
Harshitha Ramamurthy4ad9f4f2016-11-08 13:05:09 -0800[diff] [blame]360 *supported |= SUPPORTED_1000baseKX_Full |
361 SUPPORTED_Autoneg;
Avinash Dayanand28537042016-06-20 09:10:33 -0700[diff] [blame]362 *advertising |= ADVERTISED_Autoneg;
363 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]364 if (!(pf->hw_features & I40E_HW_HAVE_CRT_RETIMER))
Harshitha Ramamurthy4ad9f4f2016-11-08 13:05:09 -0800[diff] [blame]365 *advertising |= ADVERTISED_1000baseKX_Full;
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]366 }
Carolyn Wyborny31232372016-11-21 13:03:48 -0800[diff] [blame]367 if (phy_types & I40E_CAP_PHY_TYPE_25GBASE_KR ||
368 phy_types & I40E_CAP_PHY_TYPE_25GBASE_CR ||
369 phy_types & I40E_CAP_PHY_TYPE_25GBASE_SR ||
370 phy_types & I40E_CAP_PHY_TYPE_25GBASE_LR) {
371 *supported |= SUPPORTED_Autoneg;
372 *advertising |= ADVERTISED_Autoneg;
373 }
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]374}
375
376/**
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]377 * i40e_get_settings_link_up - Get the Link settings for when link is up
378 * @hw: hw structure
379 * @ecmd: ethtool command to fill in
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]380 * @netdev: network interface device structure
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]381 *
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]382 **/
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]383static void i40e_get_settings_link_up(struct i40e_hw *hw,
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]384 struct ethtool_link_ksettings *cmd,
Catherine Sullivan3b6c2172015-09-03 17:18:52 -0400[diff] [blame]385 struct net_device *netdev,
386 struct i40e_pf *pf)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]387{
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]388 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]389 u32 link_speed = hw_link_info->link_speed;
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]390 u32 e_advertising = 0x0;
391 u32 e_supported = 0x0;
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]392 u32 supported, advertising;
393
394 ethtool_convert_link_mode_to_legacy_u32(&supported,
395 cmd->link_modes.supported);
396 ethtool_convert_link_mode_to_legacy_u32(&advertising,
397 cmd->link_modes.advertising);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]398
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]399 /* Initialize supported and advertised settings based on phy settings */
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]400 switch (hw_link_info->phy_type) {
401 case I40E_PHY_TYPE_40GBASE_CR4:
402 case I40E_PHY_TYPE_40GBASE_CR4_CU:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]403 supported = SUPPORTED_Autoneg |
404 SUPPORTED_40000baseCR4_Full;
405 advertising = ADVERTISED_Autoneg |
406 ADVERTISED_40000baseCR4_Full;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]407 break;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]408 case I40E_PHY_TYPE_XLAUI:
409 case I40E_PHY_TYPE_XLPPI:
Catherine Sullivan180204c2015-02-26 16:14:58 +0000[diff] [blame]410 case I40E_PHY_TYPE_40GBASE_AOC:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]411 supported = SUPPORTED_40000baseCR4_Full;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]412 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]413 case I40E_PHY_TYPE_40GBASE_SR4:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]414 supported = SUPPORTED_40000baseSR4_Full;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]415 break;
416 case I40E_PHY_TYPE_40GBASE_LR4:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]417 supported = SUPPORTED_40000baseLR4_Full;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]418 break;
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]419 case I40E_PHY_TYPE_10GBASE_SR:
420 case I40E_PHY_TYPE_10GBASE_LR:
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]421 case I40E_PHY_TYPE_1000BASE_SX:
422 case I40E_PHY_TYPE_1000BASE_LX:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]423 supported = SUPPORTED_10000baseT_Full;
Catherine Sullivan0a862b42015-08-31 19:54:53 -0400[diff] [blame]424 if (hw_link_info->module_type[2] &
425 I40E_MODULE_TYPE_1000BASE_SX ||
426 hw_link_info->module_type[2] &
427 I40E_MODULE_TYPE_1000BASE_LX) {
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]428 supported |= SUPPORTED_1000baseT_Full;
Catherine Sullivan0a862b42015-08-31 19:54:53 -0400[diff] [blame]429 if (hw_link_info->requested_speeds &
430 I40E_LINK_SPEED_1GB)
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]431 advertising |= ADVERTISED_1000baseT_Full;
Catherine Sullivan0a862b42015-08-31 19:54:53 -0400[diff] [blame]432 }
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]433 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]434 advertising |= ADVERTISED_10000baseT_Full;
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]435 break;
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]436 case I40E_PHY_TYPE_10GBASE_T:
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]437 case I40E_PHY_TYPE_1000BASE_T:
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]438 case I40E_PHY_TYPE_100BASE_TX:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]439 supported = SUPPORTED_Autoneg |
440 SUPPORTED_10000baseT_Full |
441 SUPPORTED_1000baseT_Full |
442 SUPPORTED_100baseT_Full;
443 advertising = ADVERTISED_Autoneg;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]444 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]445 advertising |= ADVERTISED_10000baseT_Full;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]446 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]447 advertising |= ADVERTISED_1000baseT_Full;
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]448 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]449 advertising |= ADVERTISED_100baseT_Full;
Catherine Sullivan3b6c2172015-09-03 17:18:52 -0400[diff] [blame]450 break;
Catherine Sullivan48becae2015-09-28 14:12:41 -0400[diff] [blame]451 case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]452 supported = SUPPORTED_Autoneg |
453 SUPPORTED_1000baseT_Full;
454 advertising = ADVERTISED_Autoneg |
455 ADVERTISED_1000baseT_Full;
Catherine Sullivan48becae2015-09-28 14:12:41 -0400[diff] [blame]456 break;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]457 case I40E_PHY_TYPE_10GBASE_CR1_CU:
458 case I40E_PHY_TYPE_10GBASE_CR1:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]459 supported = SUPPORTED_Autoneg |
460 SUPPORTED_10000baseT_Full;
461 advertising = ADVERTISED_Autoneg |
462 ADVERTISED_10000baseT_Full;
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]463 break;
464 case I40E_PHY_TYPE_XAUI:
465 case I40E_PHY_TYPE_XFI:
466 case I40E_PHY_TYPE_SFI:
467 case I40E_PHY_TYPE_10GBASE_SFPP_CU:
Catherine Sullivan180204c2015-02-26 16:14:58 +0000[diff] [blame]468 case I40E_PHY_TYPE_10GBASE_AOC:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]469 supported = SUPPORTED_10000baseT_Full;
470 advertising = SUPPORTED_10000baseT_Full;
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]471 break;
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]472 case I40E_PHY_TYPE_SGMII:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]473 supported = SUPPORTED_Autoneg |
474 SUPPORTED_1000baseT_Full;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]475 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]476 advertising |= ADVERTISED_1000baseT_Full;
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]477 if (pf->hw_features & I40E_HW_100M_SGMII_CAPABLE) {
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]478 supported |= SUPPORTED_100baseT_Full;
Catherine Sullivan3b6c2172015-09-03 17:18:52 -0400[diff] [blame]479 if (hw_link_info->requested_speeds &
480 I40E_LINK_SPEED_100MB)
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]481 advertising |= ADVERTISED_100baseT_Full;
Catherine Sullivan3b6c2172015-09-03 17:18:52 -0400[diff] [blame]482 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]483 break;
Catherine Sullivanfc72dbc2015-09-01 11:36:30 -0400[diff] [blame]484 case I40E_PHY_TYPE_40GBASE_KR4:
485 case I40E_PHY_TYPE_20GBASE_KR2:
486 case I40E_PHY_TYPE_10GBASE_KR:
487 case I40E_PHY_TYPE_10GBASE_KX4:
488 case I40E_PHY_TYPE_1000BASE_KX:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]489 supported |= SUPPORTED_40000baseKR4_Full |
490 SUPPORTED_20000baseKR2_Full |
491 SUPPORTED_10000baseKR_Full |
492 SUPPORTED_10000baseKX4_Full |
493 SUPPORTED_1000baseKX_Full |
494 SUPPORTED_Autoneg;
495 advertising |= ADVERTISED_40000baseKR4_Full |
496 ADVERTISED_20000baseKR2_Full |
497 ADVERTISED_10000baseKR_Full |
498 ADVERTISED_10000baseKX4_Full |
499 ADVERTISED_1000baseKX_Full |
500 ADVERTISED_Autoneg;
Catherine Sullivanfc72dbc2015-09-01 11:36:30 -0400[diff] [blame]501 break;
Carolyn Wyborny31232372016-11-21 13:03:48 -0800[diff] [blame]502 case I40E_PHY_TYPE_25GBASE_KR:
503 case I40E_PHY_TYPE_25GBASE_CR:
504 case I40E_PHY_TYPE_25GBASE_SR:
505 case I40E_PHY_TYPE_25GBASE_LR:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]506 supported = SUPPORTED_Autoneg;
507 advertising = ADVERTISED_Autoneg;
Carolyn Wyborny31232372016-11-21 13:03:48 -0800[diff] [blame]508 /* TODO: add speeds when ethtool is ready to support*/
509 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]510 default:
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]511 /* if we got here and link is up something bad is afoot */
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]512 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
513 hw_link_info->phy_type);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]514 }
515
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]516 /* Now that we've worked out everything that could be supported by the
517 * current PHY type, get what is supported by the NVM and them to
518 * get what is truly supported
519 */
520 i40e_phy_type_to_ethtool(pf, &e_supported,
521 &e_advertising);
522
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]523 supported = supported & e_supported;
524 advertising = advertising & e_advertising;
Catherine Sullivan06566e52016-05-03 15:13:14 -0700[diff] [blame]525
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]526 /* Set speed and duplex */
527 switch (link_speed) {
528 case I40E_LINK_SPEED_40GB:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]529 cmd->base.speed = SPEED_40000;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]530 break;
Carolyn Wyborny31232372016-11-21 13:03:48 -0800[diff] [blame]531 case I40E_LINK_SPEED_25GB:
532#ifdef SPEED_25000
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]533 cmd->base.speed = SPEED_25000;
Carolyn Wyborny31232372016-11-21 13:03:48 -0800[diff] [blame]534#else
535 netdev_info(netdev,
536 "Speed is 25G, display not supported by this version of ethtool.\n");
537#endif
538 break;
Jesse Brandeburgae24b402015-03-27 00:12:09 -0700[diff] [blame]539 case I40E_LINK_SPEED_20GB:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]540 cmd->base.speed = SPEED_20000;
Jesse Brandeburgae24b402015-03-27 00:12:09 -0700[diff] [blame]541 break;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]542 case I40E_LINK_SPEED_10GB:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]543 cmd->base.speed = SPEED_10000;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]544 break;
545 case I40E_LINK_SPEED_1GB:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]546 cmd->base.speed = SPEED_1000;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]547 break;
548 case I40E_LINK_SPEED_100MB:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]549 cmd->base.speed = SPEED_100;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]550 break;
551 default:
552 break;
553 }
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]554 cmd->base.duplex = DUPLEX_FULL;
555
556 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
557 supported);
558 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
559 advertising);
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]560}
561
562/**
563 * i40e_get_settings_link_down - Get the Link settings for when link is down
564 * @hw: hw structure
565 * @ecmd: ethtool command to fill in
566 *
567 * Reports link settings that can be determined when link is down
568 **/
569static void i40e_get_settings_link_down(struct i40e_hw *hw,
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]570 struct ethtool_link_ksettings *cmd,
Catherine Sullivan3b6c2172015-09-03 17:18:52 -0400[diff] [blame]571 struct i40e_pf *pf)
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]572{
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]573 u32 supported, advertising;
574
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]575 /* link is down and the driver needs to fall back on
Catherine Sullivanfc72dbc2015-09-01 11:36:30 -0400[diff] [blame]576 * supported phy types to figure out what info to display
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]577 */
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]578 i40e_phy_type_to_ethtool(pf, &supported, &advertising);
579
580 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
581 supported);
582 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
583 advertising);
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]584
585 /* With no link speed and duplex are unknown */
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]586 cmd->base.speed = SPEED_UNKNOWN;
587 cmd->base.duplex = DUPLEX_UNKNOWN;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]588}
589
590/**
591 * i40e_get_settings - Get Link Speed and Duplex settings
592 * @netdev: network interface device structure
593 * @ecmd: ethtool command
594 *
595 * Reports speed/duplex settings based on media_type
596 **/
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]597static int i40e_get_link_ksettings(struct net_device *netdev,
598 struct ethtool_link_ksettings *cmd)
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]599{
600 struct i40e_netdev_priv *np = netdev_priv(netdev);
601 struct i40e_pf *pf = np->vsi->back;
602 struct i40e_hw *hw = &pf->hw;
603 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
604 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]605 u32 advertising;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]606
607 if (link_up)
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]608 i40e_get_settings_link_up(hw, cmd, netdev, pf);
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]609 else
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]610 i40e_get_settings_link_down(hw, cmd, pf);
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]611
612 /* Now set the settings that don't rely on link being up/down */
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]613 /* Set autoneg settings */
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]614 cmd->base.autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]615 AUTONEG_ENABLE : AUTONEG_DISABLE);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]616
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]617 switch (hw->phy.media_type) {
618 case I40E_MEDIA_TYPE_BACKPLANE:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]619 ethtool_link_ksettings_add_link_mode(cmd, supported,
620 Autoneg);
621 ethtool_link_ksettings_add_link_mode(cmd, supported,
622 Backplane);
623 ethtool_link_ksettings_add_link_mode(cmd, advertising,
624 Autoneg);
625 ethtool_link_ksettings_add_link_mode(cmd, advertising,
626 Backplane);
627 cmd->base.port = PORT_NONE;
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]628 break;
629 case I40E_MEDIA_TYPE_BASET:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]630 ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
631 ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
632 cmd->base.port = PORT_TP;
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]633 break;
634 case I40E_MEDIA_TYPE_DA:
635 case I40E_MEDIA_TYPE_CX4:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]636 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
637 ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
638 cmd->base.port = PORT_DA;
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]639 break;
640 case I40E_MEDIA_TYPE_FIBER:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]641 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
642 cmd->base.port = PORT_FIBRE;
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]643 break;
644 case I40E_MEDIA_TYPE_UNKNOWN:
645 default:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]646 cmd->base.port = PORT_OTHER;
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]647 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]648 }
649
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]650 /* Set flow control settings */
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]651 ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]652
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]653 switch (hw->fc.requested_mode) {
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]654 case I40E_FC_FULL:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]655 ethtool_link_ksettings_add_link_mode(cmd, advertising,
656 Pause);
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]657 break;
658 case I40E_FC_TX_PAUSE:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]659 ethtool_link_ksettings_add_link_mode(cmd, advertising,
660 Asym_Pause);
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]661 break;
662 case I40E_FC_RX_PAUSE:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]663 ethtool_link_ksettings_add_link_mode(cmd, advertising,
664 Pause);
665 ethtool_link_ksettings_add_link_mode(cmd, advertising,
666 Asym_Pause);
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]667 break;
668 default:
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]669 ethtool_convert_link_mode_to_legacy_u32(
670 &advertising, cmd->link_modes.advertising);
671
672 advertising &= ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
673
674 ethtool_convert_legacy_u32_to_link_mode(
675 cmd->link_modes.advertising, advertising);
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]676 break;
677 }
678
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]679 return 0;
680}
681
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]682/**
683 * i40e_set_settings - Set Speed and Duplex
684 * @netdev: network interface device structure
685 * @ecmd: ethtool command
686 *
687 * Set speed/duplex per media_types advertised/forced
688 **/
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]689static int i40e_set_link_ksettings(struct net_device *netdev,
690 const struct ethtool_link_ksettings *cmd)
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]691{
692 struct i40e_netdev_priv *np = netdev_priv(netdev);
693 struct i40e_aq_get_phy_abilities_resp abilities;
694 struct i40e_aq_set_phy_config config;
695 struct i40e_pf *pf = np->vsi->back;
696 struct i40e_vsi *vsi = np->vsi;
697 struct i40e_hw *hw = &pf->hw;
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]698 struct ethtool_link_ksettings safe_cmd;
699 struct ethtool_link_ksettings copy_cmd;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]700 i40e_status status = 0;
701 bool change = false;
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]702 int timeout = 50;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]703 int err = 0;
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]704 u32 autoneg;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]705 u32 advertise;
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]706 u32 tmp;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]707
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]708 /* Changing port settings is not supported if this isn't the
709 * port's controlling PF
710 */
711 if (hw->partition_id != 1) {
712 i40e_partition_setting_complaint(pf);
713 return -EOPNOTSUPP;
714 }
715
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]716 if (vsi != pf->vsi[pf->lan_vsi])
717 return -EOPNOTSUPP;
718
719 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
720 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
Catherine Sullivanc57e9f12014-07-12 07:28:13 +0000[diff] [blame]721 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
Serey Kong65362272016-05-16 10:26:39 -0700[diff] [blame]722 hw->phy.media_type != I40E_MEDIA_TYPE_DA &&
Catherine Sullivanc57e9f12014-07-12 07:28:13 +0000[diff] [blame]723 hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]724 return -EOPNOTSUPP;
725
Catherine Sullivanfc72dbc2015-09-01 11:36:30 -0400[diff] [blame]726 if (hw->device_id == I40E_DEV_ID_KX_B ||
727 hw->device_id == I40E_DEV_ID_KX_C ||
728 hw->device_id == I40E_DEV_ID_20G_KR2 ||
729 hw->device_id == I40E_DEV_ID_20G_KR2_A) {
730 netdev_info(netdev, "Changing settings is not supported on backplane.\n");
731 return -EOPNOTSUPP;
732 }
733
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]734 /* copy the cmd to copy_cmd to avoid modifying the origin */
735 memcpy(&copy_cmd, cmd, sizeof(struct ethtool_link_ksettings));
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]736
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]737 /* get our own copy of the bits to check against */
738 memset(&safe_cmd, 0, sizeof(struct ethtool_link_ksettings));
739 i40e_get_link_ksettings(netdev, &safe_cmd);
740
741 /* save autoneg and speed out of cmd */
742 autoneg = cmd->base.autoneg;
743 ethtool_convert_link_mode_to_legacy_u32(&advertise,
744 cmd->link_modes.advertising);
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]745
746 /* set autoneg and speed back to what they currently are */
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]747 copy_cmd.base.autoneg = safe_cmd.base.autoneg;
748 ethtool_convert_link_mode_to_legacy_u32(
749 &tmp, safe_cmd.link_modes.advertising);
750 ethtool_convert_legacy_u32_to_link_mode(
751 copy_cmd.link_modes.advertising, tmp);
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]752
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]753 copy_cmd.base.cmd = safe_cmd.base.cmd;
754
755 /* If copy_cmd and safe_cmd are not the same now, then they are
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]756 * trying to set something that we do not support
757 */
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]758 if (memcmp(&copy_cmd, &safe_cmd, sizeof(struct ethtool_link_ksettings)))
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]759 return -EOPNOTSUPP;
760
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]761 while (test_and_set_bit(__I40E_CONFIG_BUSY, pf->state)) {
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]762 timeout--;
763 if (!timeout)
764 return -EBUSY;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]765 usleep_range(1000, 2000);
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]766 }
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]767
768 /* Get the current phy config */
769 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
770 NULL);
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]771 if (status) {
772 err = -EAGAIN;
773 goto done;
774 }
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]775
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]776 /* Copy abilities to config in case autoneg is not
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]777 * set below
778 */
779 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]780 config.abilities = abilities.abilities;
781
782 /* Check autoneg */
783 if (autoneg == AUTONEG_ENABLE) {
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]784 /* If autoneg was not already enabled */
785 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
Catherine Sullivan3ce12ee2015-09-28 14:16:58 -0400[diff] [blame]786 /* If autoneg is not supported, return error */
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]787 if (!ethtool_link_ksettings_test_link_mode(
788 &safe_cmd, supported, Autoneg)) {
Catherine Sullivan3ce12ee2015-09-28 14:16:58 -0400[diff] [blame]789 netdev_info(netdev, "Autoneg not supported on this phy\n");
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]790 err = -EINVAL;
791 goto done;
Catherine Sullivan3ce12ee2015-09-28 14:16:58 -0400[diff] [blame]792 }
793 /* Autoneg is allowed to change */
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]794 config.abilities = abilities.abilities |
795 I40E_AQ_PHY_ENABLE_AN;
796 change = true;
797 }
798 } else {
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]799 /* If autoneg is currently enabled */
800 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
Catherine Sullivan3ce12ee2015-09-28 14:16:58 -0400[diff] [blame]801 /* If autoneg is supported 10GBASE_T is the only PHY
802 * that can disable it, so otherwise return error
803 */
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]804 if (ethtool_link_ksettings_test_link_mode(
805 &safe_cmd, supported, Autoneg) &&
Catherine Sullivan3ce12ee2015-09-28 14:16:58 -0400[diff] [blame]806 hw->phy.link_info.phy_type !=
807 I40E_PHY_TYPE_10GBASE_T) {
808 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]809 err = -EINVAL;
810 goto done;
Catherine Sullivan3ce12ee2015-09-28 14:16:58 -0400[diff] [blame]811 }
812 /* Autoneg is allowed to change */
Mitch Williams5960d332014-09-13 07:40:47 +0000[diff] [blame]813 config.abilities = abilities.abilities &
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]814 ~I40E_AQ_PHY_ENABLE_AN;
815 change = true;
816 }
817 }
818
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]819 ethtool_convert_link_mode_to_legacy_u32(&tmp,
820 safe_cmd.link_modes.supported);
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]821 if (advertise & ~tmp) {
822 err = -EINVAL;
823 goto done;
824 }
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]825
826 if (advertise & ADVERTISED_100baseT_Full)
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]827 config.link_speed |= I40E_LINK_SPEED_100MB;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]828 if (advertise & ADVERTISED_1000baseT_Full ||
829 advertise & ADVERTISED_1000baseKX_Full)
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]830 config.link_speed |= I40E_LINK_SPEED_1GB;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]831 if (advertise & ADVERTISED_10000baseT_Full ||
832 advertise & ADVERTISED_10000baseKX4_Full ||
833 advertise & ADVERTISED_10000baseKR_Full)
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]834 config.link_speed |= I40E_LINK_SPEED_10GB;
Jesse Brandeburgae24b402015-03-27 00:12:09 -0700[diff] [blame]835 if (advertise & ADVERTISED_20000baseKR2_Full)
836 config.link_speed |= I40E_LINK_SPEED_20GB;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]837 if (advertise & ADVERTISED_40000baseKR4_Full ||
838 advertise & ADVERTISED_40000baseCR4_Full ||
839 advertise & ADVERTISED_40000baseSR4_Full ||
840 advertise & ADVERTISED_40000baseLR4_Full)
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]841 config.link_speed |= I40E_LINK_SPEED_40GB;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]842
Catherine Sullivan0002e112015-08-26 15:14:16 -0400[diff] [blame]843 /* If speed didn't get set, set it to what it currently is.
844 * This is needed because if advertise is 0 (as it is when autoneg
845 * is disabled) then speed won't get set.
846 */
847 if (!config.link_speed)
848 config.link_speed = abilities.link_speed;
849
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]850 if (change || (abilities.link_speed != config.link_speed)) {
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]851 /* copy over the rest of the abilities */
852 config.phy_type = abilities.phy_type;
Henry Tiemanb7eaf8f2016-12-02 12:33:01 -0800[diff] [blame]853 config.phy_type_ext = abilities.phy_type_ext;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]854 config.eee_capability = abilities.eee_capability;
855 config.eeer = abilities.eeer_val;
856 config.low_power_ctrl = abilities.d3_lpan;
Henry Tiemanb7eaf8f2016-12-02 12:33:01 -0800[diff] [blame]857 config.fec_config = abilities.fec_cfg_curr_mod_ext_info &
858 I40E_AQ_PHY_FEC_CONFIG_MASK;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]859
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]860 /* save the requested speeds */
861 hw->phy.link_info.requested_speeds = config.link_speed;
Catherine Sullivan94128512014-07-12 07:28:16 +0000[diff] [blame]862 /* set link and auto negotiation so changes take effect */
863 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
864 /* If link is up put link down */
865 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
866 /* Tell the OS link is going down, the link will go
867 * back up when fw says it is ready asynchronously
868 */
Matt Jaredc156f852015-08-27 11:42:39 -0400[diff] [blame]869 i40e_print_link_message(vsi, false);
Catherine Sullivan94128512014-07-12 07:28:16 +0000[diff] [blame]870 netif_carrier_off(netdev);
871 netif_tx_stop_all_queues(netdev);
872 }
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]873
874 /* make the aq call */
875 status = i40e_aq_set_phy_config(hw, &config, NULL);
876 if (status) {
Shannon Nelsonf1c7e722015-06-04 16:24:01 -0400[diff] [blame]877 netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
878 i40e_stat_str(hw, status),
879 i40e_aq_str(hw, hw->aq.asq_last_status));
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]880 err = -EAGAIN;
881 goto done;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]882 }
883
Catherine Sullivan0a862b42015-08-31 19:54:53 -0400[diff] [blame]884 status = i40e_update_link_info(hw);
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]885 if (status)
Catherine Sullivan52e96892015-09-28 14:16:59 -0400[diff] [blame]886 netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n",
887 i40e_stat_str(hw, status),
888 i40e_aq_str(hw, hw->aq.asq_last_status));
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]889
890 } else {
891 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
892 }
893
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]894done:
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]895 clear_bit(__I40E_CONFIG_BUSY, pf->state);
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]896
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]897 return err;
898}
899
Jesse Brandeburga6599722014-06-04 08:45:25 +0000[diff] [blame]900static int i40e_nway_reset(struct net_device *netdev)
901{
902 /* restart autonegotiation */
903 struct i40e_netdev_priv *np = netdev_priv(netdev);
904 struct i40e_pf *pf = np->vsi->back;
905 struct i40e_hw *hw = &pf->hw;
906 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
907 i40e_status ret = 0;
908
909 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
910 if (ret) {
Shannon Nelsonf1c7e722015-06-04 16:24:01 -0400[diff] [blame]911 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
912 i40e_stat_str(hw, ret),
913 i40e_aq_str(hw, hw->aq.asq_last_status));
Jesse Brandeburga6599722014-06-04 08:45:25 +0000[diff] [blame]914 return -EIO;
915 }
916
917 return 0;
918}
919
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]920/**
921 * i40e_get_pauseparam - Get Flow Control status
922 * Return tx/rx-pause status
923 **/
924static void i40e_get_pauseparam(struct net_device *netdev,
925 struct ethtool_pauseparam *pause)
926{
927 struct i40e_netdev_priv *np = netdev_priv(netdev);
928 struct i40e_pf *pf = np->vsi->back;
929 struct i40e_hw *hw = &pf->hw;
930 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
Neerav Parikh4b7698c2014-11-12 00:18:57 +0000[diff] [blame]931 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]932
933 pause->autoneg =
934 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
935 AUTONEG_ENABLE : AUTONEG_DISABLE);
936
Neerav Parikh4b7698c2014-11-12 00:18:57 +0000[diff] [blame]937 /* PFC enabled so report LFC as off */
938 if (dcbx_cfg->pfc.pfcenable) {
939 pause->rx_pause = 0;
940 pause->tx_pause = 0;
941 return;
942 }
943
Jesse Brandeburgd52c20b2013-11-26 10:49:15 +0000[diff] [blame]944 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]945 pause->rx_pause = 1;
Jesse Brandeburgd52c20b2013-11-26 10:49:15 +0000[diff] [blame]946 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]947 pause->tx_pause = 1;
Jesse Brandeburgd52c20b2013-11-26 10:49:15 +0000[diff] [blame]948 } else if (hw->fc.current_mode == I40E_FC_FULL) {
949 pause->rx_pause = 1;
950 pause->tx_pause = 1;
951 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]952}
953
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]954/**
955 * i40e_set_pauseparam - Set Flow Control parameter
956 * @netdev: network interface device structure
957 * @pause: return tx/rx flow control status
958 **/
959static int i40e_set_pauseparam(struct net_device *netdev,
960 struct ethtool_pauseparam *pause)
961{
962 struct i40e_netdev_priv *np = netdev_priv(netdev);
963 struct i40e_pf *pf = np->vsi->back;
964 struct i40e_vsi *vsi = np->vsi;
965 struct i40e_hw *hw = &pf->hw;
966 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
Neerav Parikh4b7698c2014-11-12 00:18:57 +0000[diff] [blame]967 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]968 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
969 i40e_status status;
970 u8 aq_failures;
Catherine Sullivan7d62dac2014-07-09 07:46:18 +0000[diff] [blame]971 int err = 0;
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]972
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]973 /* Changing the port's flow control is not supported if this isn't the
974 * port's controlling PF
975 */
976 if (hw->partition_id != 1) {
977 i40e_partition_setting_complaint(pf);
978 return -EOPNOTSUPP;
979 }
980
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]981 if (vsi != pf->vsi[pf->lan_vsi])
982 return -EOPNOTSUPP;
983
984 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
985 AUTONEG_ENABLE : AUTONEG_DISABLE)) {
986 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
987 return -EOPNOTSUPP;
988 }
989
990 /* If we have link and don't have autoneg */
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]991 if (!test_bit(__I40E_DOWN, pf->state) &&
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]992 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
993 /* Send message that it might not necessarily work*/
994 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
995 }
996
Neerav Parikh4b7698c2014-11-12 00:18:57 +0000[diff] [blame]997 if (dcbx_cfg->pfc.pfcenable) {
998 netdev_info(netdev,
999 "Priority flow control enabled. Cannot set link flow control.\n");
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1000 return -EOPNOTSUPP;
1001 }
1002
1003 if (pause->rx_pause && pause->tx_pause)
1004 hw->fc.requested_mode = I40E_FC_FULL;
1005 else if (pause->rx_pause && !pause->tx_pause)
1006 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
1007 else if (!pause->rx_pause && pause->tx_pause)
1008 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
1009 else if (!pause->rx_pause && !pause->tx_pause)
1010 hw->fc.requested_mode = I40E_FC_NONE;
1011 else
1012 return -EINVAL;
1013
Catherine Sullivan94128512014-07-12 07:28:16 +0000[diff] [blame]1014 /* Tell the OS link is going down, the link will go back up when fw
1015 * says it is ready asynchronously
1016 */
Matt Jaredc156f852015-08-27 11:42:39 -0400[diff] [blame]1017 i40e_print_link_message(vsi, false);
Catherine Sullivan94128512014-07-12 07:28:16 +0000[diff] [blame]1018 netif_carrier_off(netdev);
1019 netif_tx_stop_all_queues(netdev);
1020
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1021 /* Set the fc mode and only restart an if link is up*/
1022 status = i40e_set_fc(hw, &aq_failures, link_up);
1023
1024 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
Shannon Nelsonf1c7e722015-06-04 16:24:01 -0400[diff] [blame]1025 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
1026 i40e_stat_str(hw, status),
1027 i40e_aq_str(hw, hw->aq.asq_last_status));
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1028 err = -EAGAIN;
1029 }
1030 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
Shannon Nelsonf1c7e722015-06-04 16:24:01 -0400[diff] [blame]1031 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
1032 i40e_stat_str(hw, status),
1033 i40e_aq_str(hw, hw->aq.asq_last_status));
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1034 err = -EAGAIN;
1035 }
1036 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
Shannon Nelsonf1c7e722015-06-04 16:24:01 -0400[diff] [blame]1037 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
1038 i40e_stat_str(hw, status),
1039 i40e_aq_str(hw, hw->aq.asq_last_status));
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1040 err = -EAGAIN;
1041 }
1042
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1043 if (!test_bit(__I40E_DOWN, pf->state)) {
Catherine Sullivan7d62dac2014-07-09 07:46:18 +0000[diff] [blame]1044 /* Give it a little more time to try to come back */
1045 msleep(75);
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1046 if (!test_bit(__I40E_DOWN, pf->state))
Catherine Sullivan7d62dac2014-07-09 07:46:18 +0000[diff] [blame]1047 return i40e_nway_reset(netdev);
1048 }
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]1049
1050 return err;
1051}
1052
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1053static u32 i40e_get_msglevel(struct net_device *netdev)
1054{
1055 struct i40e_netdev_priv *np = netdev_priv(netdev);
1056 struct i40e_pf *pf = np->vsi->back;
Alexander Duyck5d4ca232016-09-30 08:21:46 -0400[diff] [blame]1057 u32 debug_mask = pf->hw.debug_mask;
1058
1059 if (debug_mask)
1060 netdev_info(netdev, "i40e debug_mask: 0x%08X\n", debug_mask);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1061
1062 return pf->msg_enable;
1063}
1064
1065static void i40e_set_msglevel(struct net_device *netdev, u32 data)
1066{
1067 struct i40e_netdev_priv *np = netdev_priv(netdev);
1068 struct i40e_pf *pf = np->vsi->back;
1069
1070 if (I40E_DEBUG_USER & data)
1071 pf->hw.debug_mask = data;
Alexander Duyck5d4ca232016-09-30 08:21:46 -0400[diff] [blame]1072 else
1073 pf->msg_enable = data;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1074}
1075
1076static int i40e_get_regs_len(struct net_device *netdev)
1077{
1078 int reg_count = 0;
1079 int i;
1080
1081 for (i = 0; i40e_reg_list[i].offset != 0; i++)
1082 reg_count += i40e_reg_list[i].elements;
1083
1084 return reg_count * sizeof(u32);
1085}
1086
1087static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
1088 void *p)
1089{
1090 struct i40e_netdev_priv *np = netdev_priv(netdev);
1091 struct i40e_pf *pf = np->vsi->back;
1092 struct i40e_hw *hw = &pf->hw;
1093 u32 *reg_buf = p;
Jesse Brandeburgb85c94b2017-06-20 15:16:59 -0700[diff] [blame]1094 unsigned int i, j, ri;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1095 u32 reg;
1096
1097 /* Tell ethtool which driver-version-specific regs output we have.
1098 *
1099 * At some point, if we have ethtool doing special formatting of
1100 * this data, it will rely on this version number to know how to
1101 * interpret things. Hence, this needs to be updated if/when the
1102 * diags register table is changed.
1103 */
1104 regs->version = 1;
1105
1106 /* loop through the diags reg table for what to print */
1107 ri = 0;
1108 for (i = 0; i40e_reg_list[i].offset != 0; i++) {
1109 for (j = 0; j < i40e_reg_list[i].elements; j++) {
1110 reg = i40e_reg_list[i].offset
1111 + (j * i40e_reg_list[i].stride);
1112 reg_buf[ri++] = rd32(hw, reg);
1113 }
1114 }
1115
1116}
1117
1118static int i40e_get_eeprom(struct net_device *netdev,
1119 struct ethtool_eeprom *eeprom, u8 *bytes)
1120{
1121 struct i40e_netdev_priv *np = netdev_priv(netdev);
1122 struct i40e_hw *hw = &np->vsi->back->hw;
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1123 struct i40e_pf *pf = np->vsi->back;
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1124 int ret_val = 0, len, offset;
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1125 u8 *eeprom_buff;
1126 u16 i, sectors;
1127 bool last;
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1128 u32 magic;
1129
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1130#define I40E_NVM_SECTOR_SIZE 4096
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1131 if (eeprom->len == 0)
1132 return -EINVAL;
1133
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1134 /* check for NVMUpdate access method */
1135 magic = hw->vendor_id | (hw->device_id << 16);
1136 if (eeprom->magic && eeprom->magic != magic) {
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1137 struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1138 int errno = 0;
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1139
1140 /* make sure it is the right magic for NVMUpdate */
1141 if ((eeprom->magic >> 16) != hw->device_id)
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1142 errno = -EINVAL;
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1143 else if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state) ||
1144 test_bit(__I40E_RESET_INTR_RECEIVED, pf->state))
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1145 errno = -EBUSY;
1146 else
1147 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1148
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1149 if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1150 dev_info(&pf->pdev->dev,
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1151 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1152 ret_val, hw->aq.asq_last_status, errno,
1153 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1154 cmd->offset, cmd->data_size);
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1155
1156 return errno;
1157 }
1158
1159 /* normal ethtool get_eeprom support */
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1160 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1161
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1162 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1163 if (!eeprom_buff)
1164 return -ENOMEM;
1165
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1166 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
1167 if (ret_val) {
1168 dev_info(&pf->pdev->dev,
1169 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1170 ret_val, hw->aq.asq_last_status);
1171 goto free_buff;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1172 }
1173
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1174 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
1175 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
1176 len = I40E_NVM_SECTOR_SIZE;
1177 last = false;
1178 for (i = 0; i < sectors; i++) {
1179 if (i == (sectors - 1)) {
1180 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
1181 last = true;
1182 }
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1183 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
1184 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1185 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1186 last, NULL);
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1187 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1188 dev_info(&pf->pdev->dev,
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1189 "read NVM failed, invalid offset 0x%x\n",
1190 offset);
1191 break;
1192 } else if (ret_val &&
1193 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
1194 dev_info(&pf->pdev->dev,
1195 "read NVM failed, access, offset 0x%x\n",
1196 offset);
1197 break;
1198 } else if (ret_val) {
1199 dev_info(&pf->pdev->dev,
1200 "read NVM failed offset %d err=%d status=0x%x\n",
1201 offset, ret_val, hw->aq.asq_last_status);
1202 break;
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1203 }
1204 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1205
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1206 i40e_release_nvm(hw);
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1207 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1208free_buff:
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1209 kfree(eeprom_buff);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1210 return ret_val;
1211}
1212
1213static int i40e_get_eeprom_len(struct net_device *netdev)
1214{
1215 struct i40e_netdev_priv *np = netdev_priv(netdev);
1216 struct i40e_hw *hw = &np->vsi->back->hw;
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1217 u32 val;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1218
Lihong Yangc271dd62017-01-30 12:29:32 -0800[diff] [blame]1219#define X722_EEPROM_SCOPE_LIMIT 0x5B9FFF
1220 if (hw->mac.type == I40E_MAC_X722) {
1221 val = X722_EEPROM_SCOPE_LIMIT + 1;
1222 return val;
1223 }
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1224 val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1225 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1226 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1227 /* register returns value in power of 2, 64Kbyte chunks. */
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]1228 val = (64 * 1024) * BIT(val);
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]1229 return val;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1230}
1231
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1232static int i40e_set_eeprom(struct net_device *netdev,
1233 struct ethtool_eeprom *eeprom, u8 *bytes)
1234{
1235 struct i40e_netdev_priv *np = netdev_priv(netdev);
1236 struct i40e_hw *hw = &np->vsi->back->hw;
1237 struct i40e_pf *pf = np->vsi->back;
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1238 struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1239 int ret_val = 0;
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1240 int errno = 0;
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1241 u32 magic;
1242
1243 /* normal ethtool set_eeprom is not supported */
1244 magic = hw->vendor_id | (hw->device_id << 16);
1245 if (eeprom->magic == magic)
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1246 errno = -EOPNOTSUPP;
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1247 /* check for NVMUpdate access method */
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1248 else if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1249 errno = -EINVAL;
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1250 else if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state) ||
1251 test_bit(__I40E_RESET_INTR_RECEIVED, pf->state))
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1252 errno = -EBUSY;
1253 else
1254 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1255
Shannon Nelson6e93d0c2016-01-15 14:33:18 -0800[diff] [blame]1256 if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1257 dev_info(&pf->pdev->dev,
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1258 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1259 ret_val, hw->aq.asq_last_status, errno,
1260 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1261 cmd->offset, cmd->data_size);
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1262
1263 return errno;
1264}
1265
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1266static void i40e_get_drvinfo(struct net_device *netdev,
1267 struct ethtool_drvinfo *drvinfo)
1268{
1269 struct i40e_netdev_priv *np = netdev_priv(netdev);
1270 struct i40e_vsi *vsi = np->vsi;
1271 struct i40e_pf *pf = vsi->back;
1272
1273 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1274 strlcpy(drvinfo->version, i40e_driver_version_str,
1275 sizeof(drvinfo->version));
Shannon Nelson6dec1012015-09-28 14:12:30 -0400[diff] [blame]1276 strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1277 sizeof(drvinfo->fw_version));
1278 strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1279 sizeof(drvinfo->bus_info));
Jacob Kellerd182a5c2016-10-25 16:08:50 -0700[diff] [blame]1280 drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
Anjali Singhai Jainb5569892016-05-03 15:13:12 -0700[diff] [blame]1281 if (pf->hw.pf_id == 0)
Jacob Kellerd182a5c2016-10-25 16:08:50 -0700[diff] [blame]1282 drvinfo->n_priv_flags += I40E_GL_PRIV_FLAGS_STR_LEN;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1283}
1284
1285static void i40e_get_ringparam(struct net_device *netdev,
1286 struct ethtool_ringparam *ring)
1287{
1288 struct i40e_netdev_priv *np = netdev_priv(netdev);
1289 struct i40e_pf *pf = np->vsi->back;
1290 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1291
1292 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1293 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1294 ring->rx_mini_max_pending = 0;
1295 ring->rx_jumbo_max_pending = 0;
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1296 ring->rx_pending = vsi->rx_rings[0]->count;
1297 ring->tx_pending = vsi->tx_rings[0]->count;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1298 ring->rx_mini_pending = 0;
1299 ring->rx_jumbo_pending = 0;
1300}
1301
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1302static bool i40e_active_tx_ring_index(struct i40e_vsi *vsi, u16 index)
1303{
1304 if (i40e_enabled_xdp_vsi(vsi)) {
1305 return index < vsi->num_queue_pairs ||
1306 (index >= vsi->alloc_queue_pairs &&
1307 index < vsi->alloc_queue_pairs + vsi->num_queue_pairs);
1308 }
1309
1310 return index < vsi->num_queue_pairs;
1311}
1312
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1313static int i40e_set_ringparam(struct net_device *netdev,
1314 struct ethtool_ringparam *ring)
1315{
1316 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1317 struct i40e_netdev_priv *np = netdev_priv(netdev);
Tushar Dave2f7679e2016-10-26 10:49:27 -0700[diff] [blame]1318 struct i40e_hw *hw = &np->vsi->back->hw;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1319 struct i40e_vsi *vsi = np->vsi;
1320 struct i40e_pf *pf = vsi->back;
1321 u32 new_rx_count, new_tx_count;
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1322 u16 tx_alloc_queue_pairs;
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]1323 int timeout = 50;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1324 int i, err = 0;
1325
1326 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1327 return -EINVAL;
1328
Shannon Nelson1fa18372013-11-20 10:03:08 +0000[diff] [blame]1329 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1330 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1331 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1332 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1333 netdev_info(netdev,
1334 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1335 ring->tx_pending, ring->rx_pending,
1336 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1337 return -EINVAL;
1338 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1339
Shannon Nelson1fa18372013-11-20 10:03:08 +0000[diff] [blame]1340 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1341 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1342
1343 /* if nothing to do return success */
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1344 if ((new_tx_count == vsi->tx_rings[0]->count) &&
1345 (new_rx_count == vsi->rx_rings[0]->count))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1346 return 0;
1347
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1348 while (test_and_set_bit(__I40E_CONFIG_BUSY, pf->state)) {
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]1349 timeout--;
1350 if (!timeout)
1351 return -EBUSY;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1352 usleep_range(1000, 2000);
Jacob Kellere8d2f4c2017-04-13 04:45:48 -0400[diff] [blame]1353 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1354
1355 if (!netif_running(vsi->netdev)) {
1356 /* simple case - set for the next time the netdev is started */
1357 for (i = 0; i < vsi->num_queue_pairs; i++) {
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1358 vsi->tx_rings[i]->count = new_tx_count;
1359 vsi->rx_rings[i]->count = new_rx_count;
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1360 if (i40e_enabled_xdp_vsi(vsi))
1361 vsi->xdp_rings[i]->count = new_tx_count;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1362 }
1363 goto done;
1364 }
1365
1366 /* We can't just free everything and then setup again,
1367 * because the ISRs in MSI-X mode get passed pointers
1368 * to the Tx and Rx ring structs.
1369 */
1370
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1371 /* alloc updated Tx and XDP Tx resources */
1372 tx_alloc_queue_pairs = vsi->alloc_queue_pairs *
1373 (i40e_enabled_xdp_vsi(vsi) ? 2 : 1);
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1374 if (new_tx_count != vsi->tx_rings[0]->count) {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1375 netdev_info(netdev,
1376 "Changing Tx descriptor count from %d to %d.\n",
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1377 vsi->tx_rings[0]->count, new_tx_count);
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1378 tx_rings = kcalloc(tx_alloc_queue_pairs,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1379 sizeof(struct i40e_ring), GFP_KERNEL);
1380 if (!tx_rings) {
1381 err = -ENOMEM;
1382 goto done;
1383 }
1384
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1385 for (i = 0; i < tx_alloc_queue_pairs; i++) {
1386 if (!i40e_active_tx_ring_index(vsi, i))
1387 continue;
1388
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1389 tx_rings[i] = *vsi->tx_rings[i];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1390 tx_rings[i].count = new_tx_count;
Jesse Brandeburg1e8efb42015-08-27 11:42:33 -0400[diff] [blame]1391 /* the desc and bi pointers will be reallocated in the
1392 * setup call
1393 */
1394 tx_rings[i].desc = NULL;
1395 tx_rings[i].rx_bi = NULL;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1396 err = i40e_setup_tx_descriptors(&tx_rings[i]);
1397 if (err) {
1398 while (i) {
1399 i--;
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1400 if (!i40e_active_tx_ring_index(vsi, i))
1401 continue;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1402 i40e_free_tx_resources(&tx_rings[i]);
1403 }
1404 kfree(tx_rings);
1405 tx_rings = NULL;
1406
1407 goto done;
1408 }
1409 }
1410 }
1411
1412 /* alloc updated Rx resources */
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1413 if (new_rx_count != vsi->rx_rings[0]->count) {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1414 netdev_info(netdev,
1415 "Changing Rx descriptor count from %d to %d\n",
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1416 vsi->rx_rings[0]->count, new_rx_count);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1417 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1418 sizeof(struct i40e_ring), GFP_KERNEL);
1419 if (!rx_rings) {
1420 err = -ENOMEM;
1421 goto free_tx;
1422 }
1423
1424 for (i = 0; i < vsi->num_queue_pairs; i++) {
Jesse Brandeburg147e81e2016-04-18 11:33:49 -0700[diff] [blame]1425 struct i40e_ring *ring;
1426 u16 unused;
1427
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1428 /* clone ring and setup updated count */
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1429 rx_rings[i] = *vsi->rx_rings[i];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1430 rx_rings[i].count = new_rx_count;
Jesse Brandeburg1e8efb42015-08-27 11:42:33 -0400[diff] [blame]1431 /* the desc and bi pointers will be reallocated in the
1432 * setup call
1433 */
1434 rx_rings[i].desc = NULL;
1435 rx_rings[i].rx_bi = NULL;
Tushar Dave2f7679e2016-10-26 10:49:27 -0700[diff] [blame]1436 /* this is to allow wr32 to have something to write to
1437 * during early allocation of Rx buffers
1438 */
1439 rx_rings[i].tail = hw->hw_addr + I40E_PRTGEN_STATUS;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1440 err = i40e_setup_rx_descriptors(&rx_rings[i]);
Jesse Brandeburg147e81e2016-04-18 11:33:49 -0700[diff] [blame]1441 if (err)
1442 goto rx_unwind;
1443
1444 /* now allocate the Rx buffers to make sure the OS
1445 * has enough memory, any failure here means abort
1446 */
1447 ring = &rx_rings[i];
1448 unused = I40E_DESC_UNUSED(ring);
1449 err = i40e_alloc_rx_buffers(ring, unused);
1450rx_unwind:
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1451 if (err) {
Jesse Brandeburg147e81e2016-04-18 11:33:49 -0700[diff] [blame]1452 do {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1453 i40e_free_rx_resources(&rx_rings[i]);
Jesse Brandeburg147e81e2016-04-18 11:33:49 -0700[diff] [blame]1454 } while (i--);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1455 kfree(rx_rings);
1456 rx_rings = NULL;
1457
1458 goto free_tx;
1459 }
1460 }
1461 }
1462
1463 /* Bring interface down, copy in the new ring info,
1464 * then restore the interface
1465 */
1466 i40e_down(vsi);
1467
1468 if (tx_rings) {
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1469 for (i = 0; i < tx_alloc_queue_pairs; i++) {
1470 if (i40e_active_tx_ring_index(vsi, i)) {
1471 i40e_free_tx_resources(vsi->tx_rings[i]);
1472 *vsi->tx_rings[i] = tx_rings[i];
1473 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1474 }
1475 kfree(tx_rings);
1476 tx_rings = NULL;
1477 }
1478
1479 if (rx_rings) {
1480 for (i = 0; i < vsi->num_queue_pairs; i++) {
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1481 i40e_free_rx_resources(vsi->rx_rings[i]);
Jesse Brandeburg147e81e2016-04-18 11:33:49 -0700[diff] [blame]1482 /* get the real tail offset */
1483 rx_rings[i].tail = vsi->rx_rings[i]->tail;
1484 /* this is to fake out the allocation routine
1485 * into thinking it has to realloc everything
1486 * but the recycling logic will let us re-use
1487 * the buffers allocated above
1488 */
1489 rx_rings[i].next_to_use = 0;
1490 rx_rings[i].next_to_clean = 0;
1491 rx_rings[i].next_to_alloc = 0;
1492 /* do a struct copy */
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1493 *vsi->rx_rings[i] = rx_rings[i];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1494 }
1495 kfree(rx_rings);
1496 rx_rings = NULL;
1497 }
1498
1499 i40e_up(vsi);
1500
1501free_tx:
1502 /* error cleanup if the Rx allocations failed after getting Tx */
1503 if (tx_rings) {
Björn Töpel74608d12017-05-24 07:55:35 +0200[diff] [blame]1504 for (i = 0; i < tx_alloc_queue_pairs; i++) {
1505 if (i40e_active_tx_ring_index(vsi, i))
1506 i40e_free_tx_resources(vsi->tx_rings[i]);
1507 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1508 kfree(tx_rings);
1509 tx_rings = NULL;
1510 }
1511
1512done:
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1513 clear_bit(__I40E_CONFIG_BUSY, pf->state);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1514
1515 return err;
1516}
1517
1518static int i40e_get_sset_count(struct net_device *netdev, int sset)
1519{
1520 struct i40e_netdev_priv *np = netdev_priv(netdev);
1521 struct i40e_vsi *vsi = np->vsi;
1522 struct i40e_pf *pf = vsi->back;
1523
1524 switch (sset) {
1525 case ETH_SS_TEST:
1526 return I40E_TEST_LEN;
1527 case ETH_SS_STATS:
Shannon Nelson58ce5172015-02-27 09:15:26 +0000[diff] [blame]1528 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1529 int len = I40E_PF_STATS_LEN(netdev);
1530
Anjali Singhai Jaind1a8d272015-07-23 16:54:40 -0400[diff] [blame]1531 if ((pf->lan_veb != I40E_NO_VEB) &&
1532 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]1533 len += I40E_VEB_STATS_TOTAL;
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1534 return len;
1535 } else {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1536 return I40E_VSI_STATS_LEN(netdev);
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1537 }
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]1538 case ETH_SS_PRIV_FLAGS:
Jacob Kellerd182a5c2016-10-25 16:08:50 -0700[diff] [blame]1539 return I40E_PRIV_FLAGS_STR_LEN +
1540 (pf->hw.pf_id == 0 ? I40E_GL_PRIV_FLAGS_STR_LEN : 0);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1541 default:
1542 return -EOPNOTSUPP;
1543 }
1544}
1545
1546static void i40e_get_ethtool_stats(struct net_device *netdev,
1547 struct ethtool_stats *stats, u64 *data)
1548{
1549 struct i40e_netdev_priv *np = netdev_priv(netdev);
Akeem G Abodunrine7046ee2014-04-09 05:58:58 +0000[diff] [blame]1550 struct i40e_ring *tx_ring, *rx_ring;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1551 struct i40e_vsi *vsi = np->vsi;
1552 struct i40e_pf *pf = vsi->back;
Jesse Brandeburgb85c94b2017-06-20 15:16:59 -0700[diff] [blame]1553 unsigned int j;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1554 int i = 0;
1555 char *p;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1556 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1557 unsigned int start;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1558
1559 i40e_update_stats(vsi);
1560
1561 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1562 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1563 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1564 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1565 }
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]1566 for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1567 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1568 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1569 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1570 }
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1571 rcu_read_lock();
Catherine Sullivan99c472a2014-03-14 07:32:30 +0000[diff] [blame]1572 for (j = 0; j < vsi->num_queue_pairs; j++) {
Akeem G Abodunrine7046ee2014-04-09 05:58:58 +0000[diff] [blame]1573 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1574
1575 if (!tx_ring)
1576 continue;
1577
1578 /* process Tx ring statistics */
1579 do {
Eric W. Biederman57a77442014-03-13 21:26:42 -0700[diff] [blame]1580 start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1581 data[i] = tx_ring->stats.packets;
1582 data[i + 1] = tx_ring->stats.bytes;
Eric W. Biederman57a77442014-03-13 21:26:42 -0700[diff] [blame]1583 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
Catherine Sullivan99c472a2014-03-14 07:32:30 +0000[diff] [blame]1584 i += 2;
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1585
1586 /* Rx ring is the 2nd half of the queue pair */
1587 rx_ring = &tx_ring[1];
1588 do {
Eric W. Biederman57a77442014-03-13 21:26:42 -0700[diff] [blame]1589 start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
Catherine Sullivan99c472a2014-03-14 07:32:30 +0000[diff] [blame]1590 data[i] = rx_ring->stats.packets;
1591 data[i + 1] = rx_ring->stats.bytes;
Eric W. Biederman57a77442014-03-13 21:26:42 -0700[diff] [blame]1592 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
Catherine Sullivan99c472a2014-03-14 07:32:30 +0000[diff] [blame]1593 i += 2;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1594 }
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1595 rcu_read_unlock();
Shannon Nelson58ce5172015-02-27 09:15:26 +0000[diff] [blame]1596 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1597 return;
1598
Anjali Singhai Jaind1a8d272015-07-23 16:54:40 -0400[diff] [blame]1599 if ((pf->lan_veb != I40E_NO_VEB) &&
1600 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1601 struct i40e_veb *veb = pf->veb[pf->lan_veb];
Jesse Brandeburg6995b362015-08-28 17:55:54 -0400[diff] [blame]1602
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1603 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1604 p = (char *)veb;
1605 p += i40e_gstrings_veb_stats[j].stat_offset;
1606 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1607 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1608 }
Jesse Brandeburg74a6c662015-10-02 19:09:34 -0700[diff] [blame]1609 for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) {
1610 data[i++] = veb->tc_stats.tc_tx_packets[j];
1611 data[i++] = veb->tc_stats.tc_tx_bytes[j];
1612 data[i++] = veb->tc_stats.tc_rx_packets[j];
1613 data[i++] = veb->tc_stats.tc_rx_bytes[j];
1614 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1615 }
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1616 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1617 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1618 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1619 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1620 }
1621 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1622 data[i++] = pf->stats.priority_xon_tx[j];
1623 data[i++] = pf->stats.priority_xoff_tx[j];
1624 }
1625 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1626 data[i++] = pf->stats.priority_xon_rx[j];
1627 data[i++] = pf->stats.priority_xoff_rx[j];
1628 }
1629 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1630 data[i++] = pf->stats.priority_xon_2_xoff[j];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1631}
1632
1633static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1634 u8 *data)
1635{
1636 struct i40e_netdev_priv *np = netdev_priv(netdev);
1637 struct i40e_vsi *vsi = np->vsi;
1638 struct i40e_pf *pf = vsi->back;
1639 char *p = (char *)data;
Jesse Brandeburgb85c94b2017-06-20 15:16:59 -0700[diff] [blame]1640 unsigned int i;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1641
1642 switch (stringset) {
1643 case ETH_SS_TEST:
Jacob Kellere5d32202016-11-08 13:05:11 -0800[diff] [blame]1644 memcpy(data, i40e_gstrings_test,
1645 I40E_TEST_LEN * ETH_GSTRING_LEN);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1646 break;
1647 case ETH_SS_STATS:
1648 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1649 snprintf(p, ETH_GSTRING_LEN, "%s",
1650 i40e_gstrings_net_stats[i].stat_string);
1651 p += ETH_GSTRING_LEN;
1652 }
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]1653 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1654 snprintf(p, ETH_GSTRING_LEN, "%s",
1655 i40e_gstrings_misc_stats[i].stat_string);
1656 p += ETH_GSTRING_LEN;
1657 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1658 for (i = 0; i < vsi->num_queue_pairs; i++) {
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1659 snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_packets", i);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1660 p += ETH_GSTRING_LEN;
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1661 snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_bytes", i);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1662 p += ETH_GSTRING_LEN;
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1663 snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_packets", i);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1664 p += ETH_GSTRING_LEN;
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1665 snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_bytes", i);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1666 p += ETH_GSTRING_LEN;
1667 }
Shannon Nelson58ce5172015-02-27 09:15:26 +0000[diff] [blame]1668 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1669 return;
1670
Anjali Singhai Jaind1a8d272015-07-23 16:54:40 -0400[diff] [blame]1671 if ((pf->lan_veb != I40E_NO_VEB) &&
1672 (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1673 for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1674 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1675 i40e_gstrings_veb_stats[i].stat_string);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1676 p += ETH_GSTRING_LEN;
1677 }
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]1678 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1679 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1680 "veb.tc_%d_tx_packets", i);
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]1681 p += ETH_GSTRING_LEN;
1682 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1683 "veb.tc_%d_tx_bytes", i);
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]1684 p += ETH_GSTRING_LEN;
1685 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1686 "veb.tc_%d_rx_packets", i);
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]1687 p += ETH_GSTRING_LEN;
1688 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1689 "veb.tc_%d_rx_bytes", i);
Neerav Parikhfe860af2015-07-10 19:36:02 -0400[diff] [blame]1690 p += ETH_GSTRING_LEN;
1691 }
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1692 }
1693 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1694 snprintf(p, ETH_GSTRING_LEN, "port.%s",
1695 i40e_gstrings_stats[i].stat_string);
1696 p += ETH_GSTRING_LEN;
1697 }
1698 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1699 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1700 "port.tx_priority_%d_xon", i);
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1701 p += ETH_GSTRING_LEN;
1702 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1703 "port.tx_priority_%d_xoff", i);
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1704 p += ETH_GSTRING_LEN;
1705 }
1706 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1707 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1708 "port.rx_priority_%d_xon", i);
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1709 p += ETH_GSTRING_LEN;
1710 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1711 "port.rx_priority_%d_xoff", i);
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1712 p += ETH_GSTRING_LEN;
1713 }
1714 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1715 snprintf(p, ETH_GSTRING_LEN,
Heinrich Schuchardtfbcfac32016-08-11 01:07:22 +0200[diff] [blame]1716 "port.rx_priority_%d_xon_2_xoff", i);
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1717 p += ETH_GSTRING_LEN;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1718 }
1719 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1720 break;
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]1721 case ETH_SS_PRIV_FLAGS:
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]1722 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1723 snprintf(p, ETH_GSTRING_LEN, "%s",
1724 i40e_gstrings_priv_flags[i].flag_string);
1725 p += ETH_GSTRING_LEN;
1726 }
1727 if (pf->hw.pf_id != 0)
1728 break;
1729 for (i = 0; i < I40E_GL_PRIV_FLAGS_STR_LEN; i++) {
1730 snprintf(p, ETH_GSTRING_LEN, "%s",
1731 i40e_gl_gstrings_priv_flags[i].flag_string);
1732 p += ETH_GSTRING_LEN;
1733 }
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]1734 break;
Akeem G Abodunrin579b23d2015-02-24 06:58:42 +0000[diff] [blame]1735 default:
1736 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1737 }
1738}
1739
1740static int i40e_get_ts_info(struct net_device *dev,
1741 struct ethtool_ts_info *info)
1742{
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000[diff] [blame]1743 struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1744
Jacob Kellerfe88bda2014-11-11 20:05:58 +0000[diff] [blame]1745 /* only report HW timestamping if PTP is enabled */
1746 if (!(pf->flags & I40E_FLAG_PTP))
1747 return ethtool_op_get_ts_info(dev, info);
1748
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000[diff] [blame]1749 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1750 SOF_TIMESTAMPING_RX_SOFTWARE |
1751 SOF_TIMESTAMPING_SOFTWARE |
1752 SOF_TIMESTAMPING_TX_HARDWARE |
1753 SOF_TIMESTAMPING_RX_HARDWARE |
1754 SOF_TIMESTAMPING_RAW_HARDWARE;
1755
1756 if (pf->ptp_clock)
1757 info->phc_index = ptp_clock_index(pf->ptp_clock);
1758 else
1759 info->phc_index = -1;
1760
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]1761 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000[diff] [blame]1762
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]1763 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
Jacob Keller1e28e862016-11-11 12:39:25 -0800[diff] [blame]1764 BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
1765 BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
1766 BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ);
1767
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]1768 if (pf->hw_features & I40E_HW_PTP_L4_CAPABLE)
Jacob Keller1e28e862016-11-11 12:39:25 -0800[diff] [blame]1769 info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
1770 BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
1771 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) |
1772 BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
1773 BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
1774 BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
1775 BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
1776 BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ);
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000[diff] [blame]1777
1778 return 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1779}
1780
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1781static int i40e_link_test(struct net_device *netdev, u64 *data)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1782{
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1783 struct i40e_netdev_priv *np = netdev_priv(netdev);
1784 struct i40e_pf *pf = np->vsi->back;
Jesse Brandeburga72a5abc2015-08-26 15:14:19 -0400[diff] [blame]1785 i40e_status status;
1786 bool link_up = false;
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1787
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1788 netif_info(pf, hw, netdev, "link test\n");
Jesse Brandeburga72a5abc2015-08-26 15:14:19 -0400[diff] [blame]1789 status = i40e_get_link_status(&pf->hw, &link_up);
1790 if (status) {
1791 netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
1792 *data = 1;
1793 return *data;
1794 }
1795
1796 if (link_up)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1797 *data = 0;
1798 else
1799 *data = 1;
1800
1801 return *data;
1802}
1803
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1804static int i40e_reg_test(struct net_device *netdev, u64 *data)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1805{
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1806 struct i40e_netdev_priv *np = netdev_priv(netdev);
1807 struct i40e_pf *pf = np->vsi->back;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1808
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1809 netif_info(pf, hw, netdev, "register test\n");
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1810 *data = i40e_diag_reg_test(&pf->hw);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1811
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1812 return *data;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1813}
1814
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1815static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1816{
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1817 struct i40e_netdev_priv *np = netdev_priv(netdev);
1818 struct i40e_pf *pf = np->vsi->back;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1819
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1820 netif_info(pf, hw, netdev, "eeprom test\n");
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1821 *data = i40e_diag_eeprom_test(&pf->hw);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1822
Shannon Nelson4443ec92014-11-13 08:23:12 +0000[diff] [blame]1823 /* forcebly clear the NVM Update state machine */
1824 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1825
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1826 return *data;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1827}
1828
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1829static int i40e_intr_test(struct net_device *netdev, u64 *data)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1830{
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1831 struct i40e_netdev_priv *np = netdev_priv(netdev);
1832 struct i40e_pf *pf = np->vsi->back;
Shannon Nelsoncd92e722013-11-16 10:00:44 +0000[diff] [blame]1833 u16 swc_old = pf->sw_int_count;
1834
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1835 netif_info(pf, hw, netdev, "interrupt test\n");
Shannon Nelsoncd92e722013-11-16 10:00:44 +0000[diff] [blame]1836 wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1837 (I40E_PFINT_DYN_CTL0_INTENA_MASK |
Shannon Nelson5d1ff1062014-11-11 20:04:35 +0000[diff] [blame]1838 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1839 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1840 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1841 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
Shannon Nelsoncd92e722013-11-16 10:00:44 +0000[diff] [blame]1842 usleep_range(1000, 2000);
1843 *data = (swc_old == pf->sw_int_count);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1844
1845 return *data;
1846}
1847
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]1848static inline bool i40e_active_vfs(struct i40e_pf *pf)
1849{
1850 struct i40e_vf *vfs = pf->vf;
1851 int i;
1852
1853 for (i = 0; i < pf->num_alloc_vfs; i++)
Jacob Keller6322e632017-04-13 04:45:54 -0400[diff] [blame]1854 if (test_bit(I40E_VF_STATE_ACTIVE, &vfs[i].vf_states))
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]1855 return true;
1856 return false;
1857}
1858
Greg Rose510efb22015-07-10 19:36:01 -0400[diff] [blame]1859static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1860{
Alexander Duyck4b816442016-10-11 15:26:53 -0700[diff] [blame]1861 return !!i40e_find_vsi_by_type(pf, I40E_VSI_VMDQ2);
Greg Rose510efb22015-07-10 19:36:01 -0400[diff] [blame]1862}
1863
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1864static void i40e_diag_test(struct net_device *netdev,
1865 struct ethtool_test *eth_test, u64 *data)
1866{
1867 struct i40e_netdev_priv *np = netdev_priv(netdev);
Greg Rose5b86c5c2015-02-26 16:14:35 +0000[diff] [blame]1868 bool if_running = netif_running(netdev);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1869 struct i40e_pf *pf = np->vsi->back;
1870
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1871 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1872 /* Offline tests */
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1873 netif_info(pf, drv, netdev, "offline testing starting\n");
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1874
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1875 set_bit(__I40E_TESTING, pf->state);
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]1876
Greg Rose510efb22015-07-10 19:36:01 -0400[diff] [blame]1877 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]1878 dev_warn(&pf->pdev->dev,
Greg Rose510efb22015-07-10 19:36:01 -0400[diff] [blame]1879 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]1880 data[I40E_ETH_TEST_REG] = 1;
1881 data[I40E_ETH_TEST_EEPROM] = 1;
1882 data[I40E_ETH_TEST_INTR] = 1;
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]1883 data[I40E_ETH_TEST_LINK] = 1;
1884 eth_test->flags |= ETH_TEST_FL_FAILED;
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1885 clear_bit(__I40E_TESTING, pf->state);
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]1886 goto skip_ol_tests;
1887 }
1888
Greg Rose5b86c5c2015-02-26 16:14:35 +0000[diff] [blame]1889 /* If the device is online then take it offline */
1890 if (if_running)
1891 /* indicate we're in test mode */
Stefan Assmann08ca3872016-02-03 09:20:47 +0100[diff] [blame]1892 i40e_close(netdev);
Greg Rose5b86c5c2015-02-26 16:14:35 +0000[diff] [blame]1893 else
Greg Roseb4e53f02015-07-10 19:36:03 -0400[diff] [blame]1894 /* This reset does not affect link - if it is
1895 * changed to a type of reset that does affect
1896 * link then the following link test would have
1897 * to be moved to before the reset
1898 */
Maciej Sosin373149f2017-04-05 07:50:55 -0400[diff] [blame]1899 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED), true);
Shannon Nelsonf551b432013-11-26 10:49:12 +0000[diff] [blame]1900
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1901 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1902 eth_test->flags |= ETH_TEST_FL_FAILED;
1903
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1904 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1905 eth_test->flags |= ETH_TEST_FL_FAILED;
1906
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1907 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1908 eth_test->flags |= ETH_TEST_FL_FAILED;
1909
Shannon Nelsonf551b432013-11-26 10:49:12 +0000[diff] [blame]1910 /* run reg test last, a reset is required after it */
1911 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1912 eth_test->flags |= ETH_TEST_FL_FAILED;
1913
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]1914 clear_bit(__I40E_TESTING, pf->state);
Maciej Sosin373149f2017-04-05 07:50:55 -0400[diff] [blame]1915 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED), true);
Greg Rose5b86c5c2015-02-26 16:14:35 +0000[diff] [blame]1916
1917 if (if_running)
Stefan Assmann08ca3872016-02-03 09:20:47 +0100[diff] [blame]1918 i40e_open(netdev);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1919 } else {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1920 /* Online tests */
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1921 netif_info(pf, drv, netdev, "online testing starting\n");
1922
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1923 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1924 eth_test->flags |= ETH_TEST_FL_FAILED;
1925
1926 /* Offline only tests, not run in online; pass by default */
1927 data[I40E_ETH_TEST_REG] = 0;
1928 data[I40E_ETH_TEST_EEPROM] = 0;
1929 data[I40E_ETH_TEST_INTR] = 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1930 }
Shannon Nelsonc140c172013-11-20 10:02:58 +0000[diff] [blame]1931
Greg Rosee17bc412015-04-16 20:05:59 -0400[diff] [blame]1932skip_ol_tests:
1933
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1934 netif_info(pf, drv, netdev, "testing finished\n");
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1935}
1936
1937static void i40e_get_wol(struct net_device *netdev,
1938 struct ethtool_wolinfo *wol)
1939{
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]1940 struct i40e_netdev_priv *np = netdev_priv(netdev);
1941 struct i40e_pf *pf = np->vsi->back;
1942 struct i40e_hw *hw = &pf->hw;
1943 u16 wol_nvm_bits;
1944
1945 /* NVM bit on means WoL disabled for the port */
1946 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]1947 if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]1948 wol->supported = 0;
1949 wol->wolopts = 0;
1950 } else {
1951 wol->supported = WAKE_MAGIC;
1952 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1953 }
1954}
1955
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]1956/**
1957 * i40e_set_wol - set the WakeOnLAN configuration
1958 * @netdev: the netdev in question
1959 * @wol: the ethtool WoL setting data
1960 **/
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]1961static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1962{
1963 struct i40e_netdev_priv *np = netdev_priv(netdev);
1964 struct i40e_pf *pf = np->vsi->back;
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]1965 struct i40e_vsi *vsi = np->vsi;
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]1966 struct i40e_hw *hw = &pf->hw;
1967 u16 wol_nvm_bits;
1968
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]1969 /* WoL not supported if this isn't the controlling PF on the port */
1970 if (hw->partition_id != 1) {
1971 i40e_partition_setting_complaint(pf);
1972 return -EOPNOTSUPP;
1973 }
1974
1975 if (vsi != pf->vsi[pf->lan_vsi])
1976 return -EOPNOTSUPP;
1977
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]1978 /* NVM bit on means WoL disabled for the port */
1979 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]1980 if (BIT(hw->port) & wol_nvm_bits)
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]1981 return -EOPNOTSUPP;
1982
1983 /* only magic packet is supported */
1984 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1985 return -EOPNOTSUPP;
1986
1987 /* is this a new value? */
1988 if (pf->wol_en != !!wol->wolopts) {
1989 pf->wol_en = !!wol->wolopts;
1990 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1991 }
1992
1993 return 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1994}
1995
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1996static int i40e_set_phys_id(struct net_device *netdev,
1997 enum ethtool_phys_id_state state)
1998{
1999 struct i40e_netdev_priv *np = netdev_priv(netdev);
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2000 i40e_status ret = 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2001 struct i40e_pf *pf = np->vsi->back;
2002 struct i40e_hw *hw = &pf->hw;
2003 int blink_freq = 2;
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2004 u16 temp_status;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2005
2006 switch (state) {
2007 case ETHTOOL_ID_ACTIVE:
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2008 if (!(pf->hw_features & I40E_HW_PHY_CONTROLS_LEDS)) {
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2009 pf->led_status = i40e_led_get(hw);
2010 } else {
Kevin Scott06c0e392016-05-03 15:13:09 -0700[diff] [blame]2011 i40e_aq_set_phy_debug(hw, I40E_PHY_DEBUG_ALL, NULL);
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2012 ret = i40e_led_get_phy(hw, &temp_status,
2013 &pf->phy_led_val);
2014 pf->led_status = temp_status;
2015 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2016 return blink_freq;
2017 case ETHTOOL_ID_ON:
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2018 if (!(pf->hw_features & I40E_HW_PHY_CONTROLS_LEDS))
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2019 i40e_led_set(hw, 0xf, false);
2020 else
2021 ret = i40e_led_set_phy(hw, true, pf->led_status, 0);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2022 break;
2023 case ETHTOOL_ID_OFF:
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2024 if (!(pf->hw_features & I40E_HW_PHY_CONTROLS_LEDS))
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2025 i40e_led_set(hw, 0x0, false);
2026 else
2027 ret = i40e_led_set_phy(hw, false, pf->led_status, 0);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2028 break;
2029 case ETHTOOL_ID_INACTIVE:
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2030 if (!(pf->hw_features & I40E_HW_PHY_CONTROLS_LEDS)) {
Henry Tieman4f9b4302016-11-08 13:05:18 -0800[diff] [blame]2031 i40e_led_set(hw, pf->led_status, false);
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2032 } else {
2033 ret = i40e_led_set_phy(hw, false, pf->led_status,
2034 (pf->phy_led_val |
2035 I40E_PHY_LED_MODE_ORIG));
2036 i40e_aq_set_phy_debug(hw, 0, NULL);
2037 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2038 break;
Akeem G Abodunrin579b23d2015-02-24 06:58:42 +0000[diff] [blame]2039 default:
2040 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2041 }
Carolyn Wyborny31b606d2016-02-17 16:12:12 -0800[diff] [blame]2042 if (ret)
2043 return -ENOENT;
2044 else
2045 return 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2046}
2047
2048/* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
2049 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
2050 * 125us (8000 interrupts per second) == ITR(62)
2051 */
2052
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2053/**
2054 * __i40e_get_coalesce - get per-queue coalesce settings
2055 * @netdev: the netdev to check
2056 * @ec: ethtool coalesce data structure
2057 * @queue: which queue to pick
2058 *
2059 * Gets the per-queue settings for coalescence. Specifically Rx and Tx usecs
2060 * are per queue. If queue is <0 then we default to queue 0 as the
2061 * representative value.
2062 **/
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2063static int __i40e_get_coalesce(struct net_device *netdev,
2064 struct ethtool_coalesce *ec,
2065 int queue)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2066{
2067 struct i40e_netdev_priv *np = netdev_priv(netdev);
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2068 struct i40e_ring *rx_ring, *tx_ring;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2069 struct i40e_vsi *vsi = np->vsi;
2070
2071 ec->tx_max_coalesced_frames_irq = vsi->work_limit;
2072 ec->rx_max_coalesced_frames_irq = vsi->work_limit;
2073
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2074 /* rx and tx usecs has per queue value. If user doesn't specify the queue,
2075 * return queue 0's value to represent.
2076 */
2077 if (queue < 0) {
2078 queue = 0;
2079 } else if (queue >= vsi->num_queue_pairs) {
2080 return -EINVAL;
2081 }
2082
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2083 rx_ring = vsi->rx_rings[queue];
2084 tx_ring = vsi->tx_rings[queue];
2085
2086 if (ITR_IS_DYNAMIC(rx_ring->rx_itr_setting))
Mitch Williams32f5f542014-04-04 04:43:10 +0000[diff] [blame]2087 ec->use_adaptive_rx_coalesce = 1;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2088
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2089 if (ITR_IS_DYNAMIC(tx_ring->tx_itr_setting))
Mitch Williams32f5f542014-04-04 04:43:10 +0000[diff] [blame]2090 ec->use_adaptive_tx_coalesce = 1;
2091
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2092 ec->rx_coalesce_usecs = rx_ring->rx_itr_setting & ~I40E_ITR_DYNAMIC;
2093 ec->tx_coalesce_usecs = tx_ring->tx_itr_setting & ~I40E_ITR_DYNAMIC;
2094
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2095
Jesse Brandeburgac26fc12015-09-28 14:12:37 -0400[diff] [blame]2096 /* we use the _usecs_high to store/set the interrupt rate limit
2097 * that the hardware supports, that almost but not quite
2098 * fits the original intent of the ethtool variable,
2099 * the rx_coalesce_usecs_high limits total interrupts
2100 * per second from both tx/rx sources.
2101 */
2102 ec->rx_coalesce_usecs_high = vsi->int_rate_limit;
2103 ec->tx_coalesce_usecs_high = vsi->int_rate_limit;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2104
2105 return 0;
2106}
2107
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2108/**
2109 * i40e_get_coalesce - get a netdev's coalesce settings
2110 * @netdev: the netdev to check
2111 * @ec: ethtool coalesce data structure
2112 *
2113 * Gets the coalesce settings for a particular netdev. Note that if user has
2114 * modified per-queue settings, this only guarantees to represent queue 0. See
2115 * __i40e_get_coalesce for more details.
2116 **/
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2117static int i40e_get_coalesce(struct net_device *netdev,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2118 struct ethtool_coalesce *ec)
2119{
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2120 return __i40e_get_coalesce(netdev, ec, -1);
2121}
2122
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2123/**
2124 * i40e_get_per_queue_coalesce - gets coalesce settings for particular queue
2125 * @netdev: netdev structure
2126 * @ec: ethtool's coalesce settings
2127 * @queue: the particular queue to read
2128 *
2129 * Will read a specific queue's coalesce settings
2130 **/
Kan Liangbe280ba2016-02-19 09:24:05 -0500[diff] [blame]2131static int i40e_get_per_queue_coalesce(struct net_device *netdev, u32 queue,
2132 struct ethtool_coalesce *ec)
2133{
2134 return __i40e_get_coalesce(netdev, ec, queue);
2135}
2136
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2137/**
2138 * i40e_set_itr_per_queue - set ITR values for specific queue
2139 * @vsi: the VSI to set values for
2140 * @ec: coalesce settings from ethtool
2141 * @queue: the queue to modify
2142 *
2143 * Change the ITR settings for a specific queue.
2144 **/
2145
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2146static void i40e_set_itr_per_queue(struct i40e_vsi *vsi,
2147 struct ethtool_coalesce *ec,
2148 int queue)
2149{
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2150 struct i40e_pf *pf = vsi->back;
2151 struct i40e_hw *hw = &pf->hw;
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2152 struct i40e_q_vector *q_vector;
2153 u16 vector, intrl;
2154
Alan Brady1c0e6a32016-11-28 16:06:02 -0800[diff] [blame]2155 intrl = i40e_intrl_usec_to_reg(vsi->int_rate_limit);
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2156
2157 vsi->rx_rings[queue]->rx_itr_setting = ec->rx_coalesce_usecs;
2158 vsi->tx_rings[queue]->tx_itr_setting = ec->tx_coalesce_usecs;
2159
2160 if (ec->use_adaptive_rx_coalesce)
2161 vsi->rx_rings[queue]->rx_itr_setting |= I40E_ITR_DYNAMIC;
2162 else
2163 vsi->rx_rings[queue]->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
2164
2165 if (ec->use_adaptive_tx_coalesce)
2166 vsi->tx_rings[queue]->tx_itr_setting |= I40E_ITR_DYNAMIC;
2167 else
2168 vsi->tx_rings[queue]->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
2169
2170 q_vector = vsi->rx_rings[queue]->q_vector;
2171 q_vector->rx.itr = ITR_TO_REG(vsi->rx_rings[queue]->rx_itr_setting);
2172 vector = vsi->base_vector + q_vector->v_idx;
2173 wr32(hw, I40E_PFINT_ITRN(I40E_RX_ITR, vector - 1), q_vector->rx.itr);
2174
2175 q_vector = vsi->tx_rings[queue]->q_vector;
2176 q_vector->tx.itr = ITR_TO_REG(vsi->tx_rings[queue]->tx_itr_setting);
2177 vector = vsi->base_vector + q_vector->v_idx;
2178 wr32(hw, I40E_PFINT_ITRN(I40E_TX_ITR, vector - 1), q_vector->tx.itr);
2179
2180 wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl);
2181 i40e_flush(hw);
2182}
2183
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2184/**
2185 * __i40e_set_coalesce - set coalesce settings for particular queue
2186 * @netdev: the netdev to change
2187 * @ec: ethtool coalesce settings
2188 * @queue: the queue to change
2189 *
2190 * Sets the coalesce settings for a particular queue.
2191 **/
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2192static int __i40e_set_coalesce(struct net_device *netdev,
2193 struct ethtool_coalesce *ec,
2194 int queue)
2195{
2196 struct i40e_netdev_priv *np = netdev_priv(netdev);
2197 struct i40e_vsi *vsi = np->vsi;
2198 struct i40e_pf *pf = vsi->back;
Alan Brady33084062016-11-28 16:06:03 -0800[diff] [blame]2199 u16 intrl_reg;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2200 int i;
2201
2202 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
2203 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
2204
Jesse Brandeburgac26fc12015-09-28 14:12:37 -0400[diff] [blame]2205 /* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */
2206 if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) {
2207 netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n");
2208 return -EINVAL;
2209 }
2210
Alan Brady33084062016-11-28 16:06:03 -0800[diff] [blame]2211 if (ec->rx_coalesce_usecs_high > INTRL_REG_TO_USEC(I40E_MAX_INTRL)) {
2212 netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-%lu\n",
2213 INTRL_REG_TO_USEC(I40E_MAX_INTRL));
Jesse Brandeburgac26fc12015-09-28 14:12:37 -0400[diff] [blame]2214 return -EINVAL;
2215 }
2216
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2217 if (ec->rx_coalesce_usecs == 0) {
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]2218 if (ec->use_adaptive_rx_coalesce)
Jesse Brandeburg79442d32014-10-25 03:24:32 +0000[diff] [blame]2219 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2220 } else if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
2221 (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
2222 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
2223 return -EINVAL;
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]2224 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2225
Alan Brady33084062016-11-28 16:06:03 -0800[diff] [blame]2226 intrl_reg = i40e_intrl_usec_to_reg(ec->rx_coalesce_usecs_high);
2227 vsi->int_rate_limit = INTRL_REG_TO_USEC(intrl_reg);
2228 if (vsi->int_rate_limit != ec->rx_coalesce_usecs_high) {
2229 netif_info(pf, drv, netdev, "Interrupt rate limit rounded down to %d\n",
2230 vsi->int_rate_limit);
2231 }
Jesse Brandeburgac26fc12015-09-28 14:12:37 -0400[diff] [blame]2232
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2233 if (ec->tx_coalesce_usecs == 0) {
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]2234 if (ec->use_adaptive_tx_coalesce)
Jesse Brandeburg79442d32014-10-25 03:24:32 +0000[diff] [blame]2235 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2236 } else if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
2237 (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
2238 netif_info(pf, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n");
2239 return -EINVAL;
2240 }
2241
2242 /* rx and tx usecs has per queue value. If user doesn't specify the queue,
2243 * apply to all queues.
2244 */
2245 if (queue < 0) {
2246 for (i = 0; i < vsi->num_queue_pairs; i++)
2247 i40e_set_itr_per_queue(vsi, ec, i);
2248 } else if (queue < vsi->num_queue_pairs) {
2249 i40e_set_itr_per_queue(vsi, ec, queue);
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]2250 } else {
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2251 netif_info(pf, drv, netdev, "Invalid queue value, queue range is 0 - %d\n",
2252 vsi->num_queue_pairs - 1);
Mitch Williams32f5f542014-04-04 04:43:10 +0000[diff] [blame]2253 return -EINVAL;
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]2254 }
Mitch Williams32f5f542014-04-04 04:43:10 +0000[diff] [blame]2255
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2256 return 0;
2257}
2258
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2259/**
2260 * i40e_set_coalesce - set coalesce settings for every queue on the netdev
2261 * @netdev: the netdev to change
2262 * @ec: ethtool coalesce settings
2263 *
2264 * This will set each queue to the same coalesce settings.
2265 **/
Kan Lianga75e8002016-02-19 09:24:04 -0500[diff] [blame]2266static int i40e_set_coalesce(struct net_device *netdev,
2267 struct ethtool_coalesce *ec)
2268{
2269 return __i40e_set_coalesce(netdev, ec, -1);
2270}
2271
Jacob Keller65e87c02016-09-12 14:18:44 -0700[diff] [blame]2272/**
2273 * i40e_set_per_queue_coalesce - set specific queue's coalesce settings
2274 * @netdev: the netdev to change
2275 * @ec: ethtool's coalesce settings
2276 * @queue: the queue to change
2277 *
2278 * Sets the specified queue's coalesce settings.
2279 **/
Kan Liangf3757a42016-02-19 09:24:06 -0500[diff] [blame]2280static int i40e_set_per_queue_coalesce(struct net_device *netdev, u32 queue,
2281 struct ethtool_coalesce *ec)
2282{
2283 return __i40e_set_coalesce(netdev, ec, queue);
2284}
2285
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2286/**
2287 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
2288 * @pf: pointer to the physical function struct
2289 * @cmd: ethtool rxnfc command
2290 *
2291 * Returns Success if the flow is supported, else Invalid Input.
2292 **/
2293static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
2294{
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2295 struct i40e_hw *hw = &pf->hw;
2296 u8 flow_pctype = 0;
2297 u64 i_set = 0;
2298
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2299 cmd->data = 0;
2300
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2301 switch (cmd->flow_type) {
2302 case TCP_V4_FLOW:
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2303 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
2304 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2305 case UDP_V4_FLOW:
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2306 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
2307 break;
2308 case TCP_V6_FLOW:
2309 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
2310 break;
2311 case UDP_V6_FLOW:
2312 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
2313 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2314 case SCTP_V4_FLOW:
2315 case AH_ESP_V4_FLOW:
2316 case AH_V4_FLOW:
2317 case ESP_V4_FLOW:
2318 case IPV4_FLOW:
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2319 case SCTP_V6_FLOW:
2320 case AH_ESP_V6_FLOW:
2321 case AH_V6_FLOW:
2322 case ESP_V6_FLOW:
2323 case IPV6_FLOW:
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2324 /* Default is src/dest for IP, no matter the L4 hashing */
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2325 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2326 break;
2327 default:
2328 return -EINVAL;
2329 }
2330
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2331 /* Read flow based hash input set register */
2332 if (flow_pctype) {
2333 i_set = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
2334 flow_pctype)) |
2335 ((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
2336 flow_pctype)) << 32);
2337 }
2338
2339 /* Process bits of hash input set */
2340 if (i_set) {
2341 if (i_set & I40E_L4_SRC_MASK)
2342 cmd->data |= RXH_L4_B_0_1;
2343 if (i_set & I40E_L4_DST_MASK)
2344 cmd->data |= RXH_L4_B_2_3;
2345
2346 if (cmd->flow_type == TCP_V4_FLOW ||
2347 cmd->flow_type == UDP_V4_FLOW) {
2348 if (i_set & I40E_L3_SRC_MASK)
2349 cmd->data |= RXH_IP_SRC;
2350 if (i_set & I40E_L3_DST_MASK)
2351 cmd->data |= RXH_IP_DST;
2352 } else if (cmd->flow_type == TCP_V6_FLOW ||
2353 cmd->flow_type == UDP_V6_FLOW) {
2354 if (i_set & I40E_L3_V6_SRC_MASK)
2355 cmd->data |= RXH_IP_SRC;
2356 if (i_set & I40E_L3_V6_DST_MASK)
2357 cmd->data |= RXH_IP_DST;
2358 }
2359 }
2360
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2361 return 0;
2362}
2363
2364/**
Jacob Kellere7930952017-02-06 14:38:49 -0800[diff] [blame]2365 * i40e_check_mask - Check whether a mask field is set
2366 * @mask: the full mask value
2367 * @field; mask of the field to check
2368 *
2369 * If the given mask is fully set, return positive value. If the mask for the
2370 * field is fully unset, return zero. Otherwise return a negative error code.
2371 **/
2372static int i40e_check_mask(u64 mask, u64 field)
2373{
2374 u64 value = mask & field;
2375
2376 if (value == field)
2377 return 1;
2378 else if (!value)
2379 return 0;
2380 else
2381 return -1;
2382}
2383
2384/**
2385 * i40e_parse_rx_flow_user_data - Deconstruct user-defined data
2386 * @fsp: pointer to rx flow specification
2387 * @data: pointer to userdef data structure for storage
2388 *
2389 * Read the user-defined data and deconstruct the value into a structure. No
2390 * other code should read the user-defined data, so as to ensure that every
2391 * place consistently reads the value correctly.
2392 *
2393 * The user-defined field is a 64bit Big Endian format value, which we
2394 * deconstruct by reading bits or bit fields from it. Single bit flags shall
2395 * be defined starting from the highest bits, while small bit field values
2396 * shall be defined starting from the lowest bits.
2397 *
2398 * Returns 0 if the data is valid, and non-zero if the userdef data is invalid
2399 * and the filter should be rejected. The data structure will always be
2400 * modified even if FLOW_EXT is not set.
2401 *
2402 **/
2403static int i40e_parse_rx_flow_user_data(struct ethtool_rx_flow_spec *fsp,
2404 struct i40e_rx_flow_userdef *data)
2405{
2406 u64 value, mask;
2407 int valid;
2408
2409 /* Zero memory first so it's always consistent. */
2410 memset(data, 0, sizeof(*data));
2411
2412 if (!(fsp->flow_type & FLOW_EXT))
2413 return 0;
2414
2415 value = be64_to_cpu(*((__be64 *)fsp->h_ext.data));
2416 mask = be64_to_cpu(*((__be64 *)fsp->m_ext.data));
2417
2418#define I40E_USERDEF_FLEX_WORD GENMASK_ULL(15, 0)
2419#define I40E_USERDEF_FLEX_OFFSET GENMASK_ULL(31, 16)
2420#define I40E_USERDEF_FLEX_FILTER GENMASK_ULL(31, 0)
2421
2422 valid = i40e_check_mask(mask, I40E_USERDEF_FLEX_FILTER);
2423 if (valid < 0) {
2424 return -EINVAL;
2425 } else if (valid) {
2426 data->flex_word = value & I40E_USERDEF_FLEX_WORD;
2427 data->flex_offset =
2428 (value & I40E_USERDEF_FLEX_OFFSET) >> 16;
2429 data->flex_filter = true;
2430 }
2431
2432 return 0;
2433}
2434
2435/**
2436 * i40e_fill_rx_flow_user_data - Fill in user-defined data field
2437 * @fsp: pointer to rx_flow specification
2438 *
2439 * Reads the userdef data structure and properly fills in the user defined
2440 * fields of the rx_flow_spec.
2441 **/
2442static void i40e_fill_rx_flow_user_data(struct ethtool_rx_flow_spec *fsp,
2443 struct i40e_rx_flow_userdef *data)
2444{
2445 u64 value = 0, mask = 0;
2446
2447 if (data->flex_filter) {
2448 value |= data->flex_word;
2449 value |= (u64)data->flex_offset << 16;
2450 mask |= I40E_USERDEF_FLEX_FILTER;
2451 }
2452
2453 if (value || mask)
2454 fsp->flow_type |= FLOW_EXT;
2455
2456 *((__be64 *)fsp->h_ext.data) = cpu_to_be64(value);
2457 *((__be64 *)fsp->m_ext.data) = cpu_to_be64(mask);
2458}
2459
2460/**
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2461 * i40e_get_ethtool_fdir_all - Populates the rule count of a command
2462 * @pf: Pointer to the physical function struct
2463 * @cmd: The command to get or set Rx flow classification rules
2464 * @rule_locs: Array of used rule locations
2465 *
2466 * This function populates both the total and actual rule count of
2467 * the ethtool flow classification command
2468 *
2469 * Returns 0 on success or -EMSGSIZE if entry not found
2470 **/
2471static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
2472 struct ethtool_rxnfc *cmd,
2473 u32 *rule_locs)
2474{
2475 struct i40e_fdir_filter *rule;
2476 struct hlist_node *node2;
2477 int cnt = 0;
2478
2479 /* report total rule count */
Anjali Singhai Jain082def12014-04-09 05:59:00 +0000[diff] [blame]2480 cmd->data = i40e_get_fd_cnt_all(pf);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2481
2482 hlist_for_each_entry_safe(rule, node2,
2483 &pf->fdir_filter_list, fdir_node) {
2484 if (cnt == cmd->rule_cnt)
2485 return -EMSGSIZE;
2486
2487 rule_locs[cnt] = rule->fd_id;
2488 cnt++;
2489 }
2490
2491 cmd->rule_cnt = cnt;
2492
2493 return 0;
2494}
2495
2496/**
2497 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
2498 * @pf: Pointer to the physical function struct
2499 * @cmd: The command to get or set Rx flow classification rules
2500 *
2501 * This function looks up a filter based on the Rx flow classification
2502 * command and fills the flow spec info for it if found
2503 *
2504 * Returns 0 on success or -EINVAL if filter not found
2505 **/
2506static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
2507 struct ethtool_rxnfc *cmd)
2508{
2509 struct ethtool_rx_flow_spec *fsp =
2510 (struct ethtool_rx_flow_spec *)&cmd->fs;
Jacob Kellere7930952017-02-06 14:38:49 -0800[diff] [blame]2511 struct i40e_rx_flow_userdef userdef = {0};
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2512 struct i40e_fdir_filter *rule = NULL;
2513 struct hlist_node *node2;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]2514 u64 input_set;
2515 u16 index;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2516
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2517 hlist_for_each_entry_safe(rule, node2,
2518 &pf->fdir_filter_list, fdir_node) {
2519 if (fsp->location <= rule->fd_id)
2520 break;
2521 }
2522
2523 if (!rule || fsp->location != rule->fd_id)
2524 return -EINVAL;
2525
2526 fsp->flow_type = rule->flow_type;
Anjali Singhai Jain7d54eb22014-03-14 07:32:21 +0000[diff] [blame]2527 if (fsp->flow_type == IP_USER_FLOW) {
2528 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2529 fsp->h_u.usr_ip4_spec.proto = 0;
2530 fsp->m_u.usr_ip4_spec.proto = 0;
2531 }
2532
Anjali Singhai Jain04b73bd2014-05-22 06:31:41 +0000[diff] [blame]2533 /* Reverse the src and dest notion, since the HW views them from
2534 * Tx perspective where as the user expects it from Rx filter view.
2535 */
2536 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
2537 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
Jacob Keller8ce43dc2017-02-06 14:38:39 -0800[diff] [blame]2538 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip;
2539 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip;
Anjali Singhai Jain387ce1a2014-05-22 06:32:23 +0000[diff] [blame]2540
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]2541 switch (rule->flow_type) {
Jacob Kellerf223c872017-02-06 14:38:51 -0800[diff] [blame]2542 case SCTP_V4_FLOW:
2543 index = I40E_FILTER_PCTYPE_NONF_IPV4_SCTP;
2544 break;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]2545 case TCP_V4_FLOW:
2546 index = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
2547 break;
2548 case UDP_V4_FLOW:
2549 index = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
2550 break;
2551 case IP_USER_FLOW:
2552 index = I40E_FILTER_PCTYPE_NONF_IPV4_OTHER;
2553 break;
2554 default:
2555 /* If we have stored a filter with a flow type not listed here
2556 * it is almost certainly a driver bug. WARN(), and then
2557 * assign the input_set as if all fields are enabled to avoid
2558 * reading unassigned memory.
2559 */
2560 WARN(1, "Missing input set index for flow_type %d\n",
2561 rule->flow_type);
2562 input_set = 0xFFFFFFFFFFFFFFFFULL;
2563 goto no_input_set;
2564 }
2565
2566 input_set = i40e_read_fd_input_set(pf, index);
2567
2568no_input_set:
2569 if (input_set & I40E_L3_SRC_MASK)
2570 fsp->m_u.tcp_ip4_spec.ip4src = htonl(0xFFFF);
2571
2572 if (input_set & I40E_L3_DST_MASK)
2573 fsp->m_u.tcp_ip4_spec.ip4dst = htonl(0xFFFF);
2574
2575 if (input_set & I40E_L4_SRC_MASK)
2576 fsp->m_u.tcp_ip4_spec.psrc = htons(0xFFFFFFFF);
2577
2578 if (input_set & I40E_L4_DST_MASK)
2579 fsp->m_u.tcp_ip4_spec.pdst = htons(0xFFFFFFFF);
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]2580
Anjali Singhai Jain387ce1a2014-05-22 06:32:23 +0000[diff] [blame]2581 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
2582 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2583 else
2584 fsp->ring_cookie = rule->q_index;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2585
Anjali Singhai Jaine7c8c602015-04-07 19:45:31 -0400[diff] [blame]2586 if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
2587 struct i40e_vsi *vsi;
2588
2589 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
2590 if (vsi && vsi->type == I40E_VSI_SRIOV) {
Jacob Keller43b15692017-02-06 14:38:48 -0800[diff] [blame]2591 /* VFs are zero-indexed by the driver, but ethtool
2592 * expects them to be one-indexed, so add one here
2593 */
2594 u64 ring_vf = vsi->vf_id + 1;
2595
2596 ring_vf <<= ETHTOOL_RX_FLOW_SPEC_RING_VF_OFF;
2597 fsp->ring_cookie |= ring_vf;
Anjali Singhai Jaine7c8c602015-04-07 19:45:31 -0400[diff] [blame]2598 }
2599 }
2600
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]2601 if (rule->flex_filter) {
2602 userdef.flex_filter = true;
2603 userdef.flex_word = be16_to_cpu(rule->flex_word);
2604 userdef.flex_offset = rule->flex_offset;
2605 }
2606
Jacob Kellere7930952017-02-06 14:38:49 -0800[diff] [blame]2607 i40e_fill_rx_flow_user_data(fsp, &userdef);
2608
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2609 return 0;
2610}
2611
2612/**
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2613 * i40e_get_rxnfc - command to get RX flow classification rules
2614 * @netdev: network interface device structure
2615 * @cmd: ethtool rxnfc command
2616 *
2617 * Returns Success if the command is supported.
2618 **/
2619static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2620 u32 *rule_locs)
2621{
2622 struct i40e_netdev_priv *np = netdev_priv(netdev);
2623 struct i40e_vsi *vsi = np->vsi;
2624 struct i40e_pf *pf = vsi->back;
2625 int ret = -EOPNOTSUPP;
2626
2627 switch (cmd->cmd) {
2628 case ETHTOOL_GRXRINGS:
Helin Zhang3e3aa212015-10-21 19:47:13 -0400[diff] [blame]2629 cmd->data = vsi->num_queue_pairs;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2630 ret = 0;
2631 break;
2632 case ETHTOOL_GRXFH:
2633 ret = i40e_get_rss_hash_opts(pf, cmd);
2634 break;
2635 case ETHTOOL_GRXCLSRLCNT:
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2636 cmd->rule_cnt = pf->fdir_pf_active_filters;
Anjali Singhai Jain082def12014-04-09 05:59:00 +0000[diff] [blame]2637 /* report total rule count */
2638 cmd->data = i40e_get_fd_cnt_all(pf);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2639 ret = 0;
2640 break;
2641 case ETHTOOL_GRXCLSRULE:
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2642 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2643 break;
2644 case ETHTOOL_GRXCLSRLALL:
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2645 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2646 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2647 default:
2648 break;
2649 }
2650
2651 return ret;
2652}
2653
2654/**
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2655 * i40e_get_rss_hash_bits - Read RSS Hash bits from register
2656 * @nfc: pointer to user request
2657 * @i_setc bits currently set
2658 *
2659 * Returns value of bits to be set per user request
2660 **/
2661static u64 i40e_get_rss_hash_bits(struct ethtool_rxnfc *nfc, u64 i_setc)
2662{
2663 u64 i_set = i_setc;
2664 u64 src_l3 = 0, dst_l3 = 0;
2665
2666 if (nfc->data & RXH_L4_B_0_1)
2667 i_set |= I40E_L4_SRC_MASK;
2668 else
2669 i_set &= ~I40E_L4_SRC_MASK;
2670 if (nfc->data & RXH_L4_B_2_3)
2671 i_set |= I40E_L4_DST_MASK;
2672 else
2673 i_set &= ~I40E_L4_DST_MASK;
2674
2675 if (nfc->flow_type == TCP_V6_FLOW || nfc->flow_type == UDP_V6_FLOW) {
2676 src_l3 = I40E_L3_V6_SRC_MASK;
2677 dst_l3 = I40E_L3_V6_DST_MASK;
2678 } else if (nfc->flow_type == TCP_V4_FLOW ||
2679 nfc->flow_type == UDP_V4_FLOW) {
2680 src_l3 = I40E_L3_SRC_MASK;
2681 dst_l3 = I40E_L3_DST_MASK;
2682 } else {
2683 /* Any other flow type are not supported here */
2684 return i_set;
2685 }
2686
2687 if (nfc->data & RXH_IP_SRC)
2688 i_set |= src_l3;
2689 else
2690 i_set &= ~src_l3;
2691 if (nfc->data & RXH_IP_DST)
2692 i_set |= dst_l3;
2693 else
2694 i_set &= ~dst_l3;
2695
2696 return i_set;
2697}
2698
2699/**
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2700 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2701 * @pf: pointer to the physical function struct
2702 * @cmd: ethtool rxnfc command
2703 *
2704 * Returns Success if the flow input set is supported.
2705 **/
2706static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2707{
2708 struct i40e_hw *hw = &pf->hw;
Shannon Nelson272cdaf22016-02-17 16:12:21 -0800[diff] [blame]2709 u64 hena = (u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0)) |
2710 ((u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)) << 32);
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2711 u8 flow_pctype = 0;
2712 u64 i_set, i_setc;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2713
Carolyn Wyborny83d14c52017-06-07 05:43:07 -0400[diff] [blame]2714 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
2715 dev_err(&pf->pdev->dev,
2716 "Change of RSS hash input set is not supported when MFP mode is enabled\n");
2717 return -EOPNOTSUPP;
2718 }
2719
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2720 /* RSS does not support anything other than hashing
2721 * to queues on src and dst IPs and ports
2722 */
2723 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2724 RXH_L4_B_0_1 | RXH_L4_B_2_3))
2725 return -EINVAL;
2726
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2727 switch (nfc->flow_type) {
2728 case TCP_V4_FLOW:
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2729 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2730 if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2731 hena |=
2732 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2733 break;
2734 case TCP_V6_FLOW:
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2735 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2736 if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2737 hena |=
2738 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2739 if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2740 hena |=
2741 BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2742 break;
2743 case UDP_V4_FLOW:
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2744 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2745 if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2746 hena |=
2747 BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
2748 BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP);
Anjali Singhai Jain3d0da5b2015-12-22 14:25:05 -0800[diff] [blame]2749
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2750 hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2751 break;
2752 case UDP_V6_FLOW:
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2753 flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
Jacob Kellerd36e41d2017-06-23 04:24:46 -0400[diff] [blame]2754 if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE)
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2755 hena |=
2756 BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
2757 BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP);
Anjali Singhai Jain3d0da5b2015-12-22 14:25:05 -0800[diff] [blame]2758
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2759 hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2760 break;
2761 case AH_ESP_V4_FLOW:
2762 case AH_V4_FLOW:
2763 case ESP_V4_FLOW:
2764 case SCTP_V4_FLOW:
2765 if ((nfc->data & RXH_L4_B_0_1) ||
2766 (nfc->data & RXH_L4_B_2_3))
2767 return -EINVAL;
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]2768 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2769 break;
2770 case AH_ESP_V6_FLOW:
2771 case AH_V6_FLOW:
2772 case ESP_V6_FLOW:
2773 case SCTP_V6_FLOW:
2774 if ((nfc->data & RXH_L4_B_0_1) ||
2775 (nfc->data & RXH_L4_B_2_3))
2776 return -EINVAL;
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]2777 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2778 break;
2779 case IPV4_FLOW:
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]2780 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2781 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2782 break;
2783 case IPV6_FLOW:
Jesse Brandeburg41a1d042015-06-04 16:24:02 -0400[diff] [blame]2784 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2785 BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2786 break;
2787 default:
2788 return -EINVAL;
2789 }
2790
Carolyn Wybornyeb0dd6e2016-07-27 12:02:40 -0700[diff] [blame]2791 if (flow_pctype) {
2792 i_setc = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
2793 flow_pctype)) |
2794 ((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
2795 flow_pctype)) << 32);
2796 i_set = i40e_get_rss_hash_bits(nfc, i_setc);
2797 i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, flow_pctype),
2798 (u32)i_set);
2799 i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(1, flow_pctype),
2800 (u32)(i_set >> 32));
2801 hena |= BIT_ULL(flow_pctype);
2802 }
2803
Shannon Nelson272cdaf22016-02-17 16:12:21 -0800[diff] [blame]2804 i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (u32)hena);
2805 i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2806 i40e_flush(hw);
2807
2808 return 0;
2809}
2810
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2811/**
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2812 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2813 * @vsi: Pointer to the targeted VSI
2814 * @input: The filter to update or NULL to indicate deletion
2815 * @sw_idx: Software index to the filter
2816 * @cmd: The command to get or set Rx flow classification rules
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2817 *
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2818 * This function updates (or deletes) a Flow Director entry from
2819 * the hlist of the corresponding PF
2820 *
2821 * Returns 0 on success
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2822 **/
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2823static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2824 struct i40e_fdir_filter *input,
2825 u16 sw_idx,
2826 struct ethtool_rxnfc *cmd)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2827{
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2828 struct i40e_fdir_filter *rule, *parent;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2829 struct i40e_pf *pf = vsi->back;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2830 struct hlist_node *node2;
2831 int err = -EINVAL;
Jesse Brandeburgc35a1d72013-12-18 13:46:02 +0000[diff] [blame]2832
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2833 parent = NULL;
2834 rule = NULL;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2835
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2836 hlist_for_each_entry_safe(rule, node2,
2837 &pf->fdir_filter_list, fdir_node) {
2838 /* hash found, or no matching entry */
2839 if (rule->fd_id >= sw_idx)
2840 break;
2841 parent = rule;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2842 }
2843
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2844 /* if there is an old rule occupying our place remove it */
2845 if (rule && (rule->fd_id == sw_idx)) {
Jacob Kellerc6da5252017-02-06 14:39:13 -0800[diff] [blame]2846 /* Remove this rule, since we're either deleting it, or
2847 * replacing it.
2848 */
2849 err = i40e_add_del_fdir(vsi, rule, false);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2850 hlist_del(&rule->fdir_node);
2851 kfree(rule);
2852 pf->fdir_pf_active_filters--;
2853 }
2854
Jacob Kellerc6da5252017-02-06 14:39:13 -0800[diff] [blame]2855 /* If we weren't given an input, this is a delete, so just return the
2856 * error code indicating if there was an entry at the requested slot
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2857 */
2858 if (!input)
2859 return err;
2860
Jacob Kellerc6da5252017-02-06 14:39:13 -0800[diff] [blame]2861 /* Otherwise, install the new rule as requested */
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2862 INIT_HLIST_NODE(&input->fdir_node);
2863
2864 /* add filter to the list */
2865 if (parent)
Ken Helias1d023282014-08-06 16:09:16 -0700[diff] [blame]2866 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2867 else
2868 hlist_add_head(&input->fdir_node,
2869 &pf->fdir_filter_list);
2870
2871 /* update counts */
2872 pf->fdir_pf_active_filters++;
2873
2874 return 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2875}
2876
2877/**
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]2878 * i40e_prune_flex_pit_list - Cleanup unused entries in FLX_PIT table
2879 * @pf: pointer to PF structure
2880 *
2881 * This function searches the list of filters and determines which FLX_PIT
2882 * entries are still required. It will prune any entries which are no longer
2883 * in use after the deletion.
2884 **/
2885static void i40e_prune_flex_pit_list(struct i40e_pf *pf)
2886{
2887 struct i40e_flex_pit *entry, *tmp;
2888 struct i40e_fdir_filter *rule;
2889
2890 /* First, we'll check the l3 table */
2891 list_for_each_entry_safe(entry, tmp, &pf->l3_flex_pit_list, list) {
2892 bool found = false;
2893
2894 hlist_for_each_entry(rule, &pf->fdir_filter_list, fdir_node) {
2895 if (rule->flow_type != IP_USER_FLOW)
2896 continue;
2897 if (rule->flex_filter &&
2898 rule->flex_offset == entry->src_offset) {
2899 found = true;
2900 break;
2901 }
2902 }
2903
2904 /* If we didn't find the filter, then we can prune this entry
2905 * from the list.
2906 */
2907 if (!found) {
2908 list_del(&entry->list);
2909 kfree(entry);
2910 }
2911 }
2912
2913 /* Followed by the L4 table */
2914 list_for_each_entry_safe(entry, tmp, &pf->l4_flex_pit_list, list) {
2915 bool found = false;
2916
2917 hlist_for_each_entry(rule, &pf->fdir_filter_list, fdir_node) {
2918 /* Skip this filter if it's L3, since we already
2919 * checked those in the above loop
2920 */
2921 if (rule->flow_type == IP_USER_FLOW)
2922 continue;
2923 if (rule->flex_filter &&
2924 rule->flex_offset == entry->src_offset) {
2925 found = true;
2926 break;
2927 }
2928 }
2929
2930 /* If we didn't find the filter, then we can prune this entry
2931 * from the list.
2932 */
2933 if (!found) {
2934 list_del(&entry->list);
2935 kfree(entry);
2936 }
2937 }
2938}
2939
2940/**
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2941 * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2942 * @vsi: Pointer to the targeted VSI
2943 * @cmd: The command to get or set Rx flow classification rules
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2944 *
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2945 * The function removes a Flow Director filter entry from the
2946 * hlist of the corresponding PF
2947 *
2948 * Returns 0 on success
2949 */
2950static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2951 struct ethtool_rxnfc *cmd)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2952{
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2953 struct ethtool_rx_flow_spec *fsp =
2954 (struct ethtool_rx_flow_spec *)&cmd->fs;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2955 struct i40e_pf *pf = vsi->back;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2956 int ret = 0;
Jesse Brandeburgc35a1d72013-12-18 13:46:02 +0000[diff] [blame]2957
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]2958 if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state) ||
2959 test_bit(__I40E_RESET_INTR_RECEIVED, pf->state))
Anjali Singhai Jain60793f4a2014-07-09 07:46:23 +0000[diff] [blame]2960 return -EBUSY;
2961
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]2962 if (test_bit(__I40E_FD_FLUSH_REQUESTED, pf->state))
Anjali Singhai Jain1e1be8f2014-07-10 08:03:26 +0000[diff] [blame]2963 return -EBUSY;
2964
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2965 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2966
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]2967 i40e_prune_flex_pit_list(pf);
2968
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000[diff] [blame]2969 i40e_fdir_check_and_reenable(pf);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2970 return ret;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2971}
2972
2973/**
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]2974 * i40e_unused_pit_index - Find an unused PIT index for given list
2975 * @pf: the PF data structure
2976 *
2977 * Find the first unused flexible PIT index entry. We search both the L3 and
2978 * L4 flexible PIT lists so that the returned index is unique and unused by
2979 * either currently programmed L3 or L4 filters. We use a bit field as storage
2980 * to track which indexes are already used.
2981 **/
2982static u8 i40e_unused_pit_index(struct i40e_pf *pf)
2983{
2984 unsigned long available_index = 0xFF;
2985 struct i40e_flex_pit *entry;
2986
2987 /* We need to make sure that the new index isn't in use by either L3
2988 * or L4 filters so that IP_USER_FLOW filters can program both L3 and
2989 * L4 to use the same index.
2990 */
2991
2992 list_for_each_entry(entry, &pf->l4_flex_pit_list, list)
2993 clear_bit(entry->pit_index, &available_index);
2994
2995 list_for_each_entry(entry, &pf->l3_flex_pit_list, list)
2996 clear_bit(entry->pit_index, &available_index);
2997
2998 return find_first_bit(&available_index, 8);
2999}
3000
3001/**
3002 * i40e_find_flex_offset - Find an existing flex src_offset
3003 * @flex_pit_list: L3 or L4 flex PIT list
3004 * @src_offset: new src_offset to find
3005 *
3006 * Searches the flex_pit_list for an existing offset. If no offset is
3007 * currently programmed, then this will return an ERR_PTR if there is no space
3008 * to add a new offset, otherwise it returns NULL.
3009 **/
3010static
3011struct i40e_flex_pit *i40e_find_flex_offset(struct list_head *flex_pit_list,
3012 u16 src_offset)
3013{
3014 struct i40e_flex_pit *entry;
3015 int size = 0;
3016
3017 /* Search for the src_offset first. If we find a matching entry
3018 * already programmed, we can simply re-use it.
3019 */
3020 list_for_each_entry(entry, flex_pit_list, list) {
3021 size++;
3022 if (entry->src_offset == src_offset)
3023 return entry;
3024 }
3025
3026 /* If we haven't found an entry yet, then the provided src offset has
3027 * not yet been programmed. We will program the src offset later on,
3028 * but we need to indicate whether there is enough space to do so
3029 * here. We'll make use of ERR_PTR for this purpose.
3030 */
3031 if (size >= I40E_FLEX_PIT_TABLE_SIZE)
3032 return ERR_PTR(-ENOSPC);
3033
3034 return NULL;
3035}
3036
3037/**
3038 * i40e_add_flex_offset - Add src_offset to flex PIT table list
3039 * @flex_pit_list: L3 or L4 flex PIT list
3040 * @src_offset: new src_offset to add
3041 * @pit_index: the PIT index to program
3042 *
3043 * This function programs the new src_offset to the list. It is expected that
3044 * i40e_find_flex_offset has already been tried and returned NULL, indicating
3045 * that this offset is not programmed, and that the list has enough space to
3046 * store another offset.
3047 *
3048 * Returns 0 on success, and negative value on error.
3049 **/
3050static int i40e_add_flex_offset(struct list_head *flex_pit_list,
3051 u16 src_offset,
3052 u8 pit_index)
3053{
3054 struct i40e_flex_pit *new_pit, *entry;
3055
3056 new_pit = kzalloc(sizeof(*entry), GFP_KERNEL);
3057 if (!new_pit)
3058 return -ENOMEM;
3059
3060 new_pit->src_offset = src_offset;
3061 new_pit->pit_index = pit_index;
3062
3063 /* We need to insert this item such that the list is sorted by
3064 * src_offset in ascending order.
3065 */
3066 list_for_each_entry(entry, flex_pit_list, list) {
3067 if (new_pit->src_offset < entry->src_offset) {
3068 list_add_tail(&new_pit->list, &entry->list);
3069 return 0;
3070 }
3071
3072 /* If we found an entry with our offset already programmed we
3073 * can simply return here, after freeing the memory. However,
3074 * if the pit_index does not match we need to report an error.
3075 */
3076 if (new_pit->src_offset == entry->src_offset) {
3077 int err = 0;
3078
3079 /* If the PIT index is not the same we can't re-use
3080 * the entry, so we must report an error.
3081 */
3082 if (new_pit->pit_index != entry->pit_index)
3083 err = -EINVAL;
3084
3085 kfree(new_pit);
3086 return err;
3087 }
3088 }
3089
3090 /* If we reached here, then we haven't yet added the item. This means
3091 * that we should add the item at the end of the list.
3092 */
3093 list_add_tail(&new_pit->list, flex_pit_list);
3094 return 0;
3095}
3096
3097/**
3098 * __i40e_reprogram_flex_pit - Re-program specific FLX_PIT table
3099 * @pf: Pointer to the PF structure
3100 * @flex_pit_list: list of flexible src offsets in use
3101 * #flex_pit_start: index to first entry for this section of the table
3102 *
3103 * In order to handle flexible data, the hardware uses a table of values
3104 * called the FLX_PIT table. This table is used to indicate which sections of
3105 * the input correspond to what PIT index values. Unfortunately, hardware is
3106 * very restrictive about programming this table. Entries must be ordered by
3107 * src_offset in ascending order, without duplicates. Additionally, unused
3108 * entries must be set to the unused index value, and must have valid size and
3109 * length according to the src_offset ordering.
3110 *
3111 * This function will reprogram the FLX_PIT register from a book-keeping
3112 * structure that we guarantee is already ordered correctly, and has no more
3113 * than 3 entries.
3114 *
3115 * To make things easier, we only support flexible values of one word length,
3116 * rather than allowing variable length flexible values.
3117 **/
3118static void __i40e_reprogram_flex_pit(struct i40e_pf *pf,
3119 struct list_head *flex_pit_list,
3120 int flex_pit_start)
3121{
3122 struct i40e_flex_pit *entry = NULL;
3123 u16 last_offset = 0;
3124 int i = 0, j = 0;
3125
3126 /* First, loop over the list of flex PIT entries, and reprogram the
3127 * registers.
3128 */
3129 list_for_each_entry(entry, flex_pit_list, list) {
3130 /* We have to be careful when programming values for the
3131 * largest SRC_OFFSET value. It is possible that adding
3132 * additional empty values at the end would overflow the space
3133 * for the SRC_OFFSET in the FLX_PIT register. To avoid this,
3134 * we check here and add the empty values prior to adding the
3135 * largest value.
3136 *
3137 * To determine this, we will use a loop from i+1 to 3, which
3138 * will determine whether the unused entries would have valid
3139 * SRC_OFFSET. Note that there cannot be extra entries past
3140 * this value, because the only valid values would have been
3141 * larger than I40E_MAX_FLEX_SRC_OFFSET, and thus would not
3142 * have been added to the list in the first place.
3143 */
3144 for (j = i + 1; j < 3; j++) {
3145 u16 offset = entry->src_offset + j;
3146 int index = flex_pit_start + i;
3147 u32 value = I40E_FLEX_PREP_VAL(I40E_FLEX_DEST_UNUSED,
3148 1,
3149 offset - 3);
3150
3151 if (offset > I40E_MAX_FLEX_SRC_OFFSET) {
3152 i40e_write_rx_ctl(&pf->hw,
3153 I40E_PRTQF_FLX_PIT(index),
3154 value);
3155 i++;
3156 }
3157 }
3158
3159 /* Now, we can program the actual value into the table */
3160 i40e_write_rx_ctl(&pf->hw,
3161 I40E_PRTQF_FLX_PIT(flex_pit_start + i),
3162 I40E_FLEX_PREP_VAL(entry->pit_index + 50,
3163 1,
3164 entry->src_offset));
3165 i++;
3166 }
3167
3168 /* In order to program the last entries in the table, we need to
3169 * determine the valid offset. If the list is empty, we'll just start
3170 * with 0. Otherwise, we'll start with the last item offset and add 1.
3171 * This ensures that all entries have valid sizes. If we don't do this
3172 * correctly, the hardware will disable flexible field parsing.
3173 */
3174 if (!list_empty(flex_pit_list))
3175 last_offset = list_prev_entry(entry, list)->src_offset + 1;
3176
3177 for (; i < 3; i++, last_offset++) {
3178 i40e_write_rx_ctl(&pf->hw,
3179 I40E_PRTQF_FLX_PIT(flex_pit_start + i),
3180 I40E_FLEX_PREP_VAL(I40E_FLEX_DEST_UNUSED,
3181 1,
3182 last_offset));
3183 }
3184}
3185
3186/**
3187 * i40e_reprogram_flex_pit - Reprogram all FLX_PIT tables after input set change
3188 * @pf: pointer to the PF structure
3189 *
3190 * This function reprograms both the L3 and L4 FLX_PIT tables. See the
3191 * internal helper function for implementation details.
3192 **/
3193static void i40e_reprogram_flex_pit(struct i40e_pf *pf)
3194{
3195 __i40e_reprogram_flex_pit(pf, &pf->l3_flex_pit_list,
3196 I40E_FLEX_PIT_IDX_START_L3);
3197
3198 __i40e_reprogram_flex_pit(pf, &pf->l4_flex_pit_list,
3199 I40E_FLEX_PIT_IDX_START_L4);
3200
3201 /* We also need to program the L3 and L4 GLQF ORT register */
3202 i40e_write_rx_ctl(&pf->hw,
3203 I40E_GLQF_ORT(I40E_L3_GLQF_ORT_IDX),
3204 I40E_ORT_PREP_VAL(I40E_FLEX_PIT_IDX_START_L3,
3205 3, 1));
3206
3207 i40e_write_rx_ctl(&pf->hw,
3208 I40E_GLQF_ORT(I40E_L4_GLQF_ORT_IDX),
3209 I40E_ORT_PREP_VAL(I40E_FLEX_PIT_IDX_START_L4,
3210 3, 1));
3211}
3212
3213/**
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3214 * i40e_flow_str - Converts a flow_type into a human readable string
3215 * @flow_type: the flow type from a flow specification
3216 *
3217 * Currently only flow types we support are included here, and the string
3218 * value attempts to match what ethtool would use to configure this flow type.
3219 **/
3220static const char *i40e_flow_str(struct ethtool_rx_flow_spec *fsp)
3221{
3222 switch (fsp->flow_type & ~FLOW_EXT) {
3223 case TCP_V4_FLOW:
3224 return "tcp4";
3225 case UDP_V4_FLOW:
3226 return "udp4";
3227 case SCTP_V4_FLOW:
3228 return "sctp4";
3229 case IP_USER_FLOW:
3230 return "ip4";
3231 default:
3232 return "unknown";
3233 }
3234}
3235
3236/**
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3237 * i40e_pit_index_to_mask - Return the FLEX mask for a given PIT index
3238 * @pit_index: PIT index to convert
3239 *
3240 * Returns the mask for a given PIT index. Will return 0 if the pit_index is
3241 * of range.
3242 **/
3243static u64 i40e_pit_index_to_mask(int pit_index)
3244{
3245 switch (pit_index) {
3246 case 0:
3247 return I40E_FLEX_50_MASK;
3248 case 1:
3249 return I40E_FLEX_51_MASK;
3250 case 2:
3251 return I40E_FLEX_52_MASK;
3252 case 3:
3253 return I40E_FLEX_53_MASK;
3254 case 4:
3255 return I40E_FLEX_54_MASK;
3256 case 5:
3257 return I40E_FLEX_55_MASK;
3258 case 6:
3259 return I40E_FLEX_56_MASK;
3260 case 7:
3261 return I40E_FLEX_57_MASK;
3262 default:
3263 return 0;
3264 }
3265}
3266
3267/**
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3268 * i40e_print_input_set - Show changes between two input sets
3269 * @vsi: the vsi being configured
3270 * @old: the old input set
3271 * @new: the new input set
3272 *
3273 * Print the difference between old and new input sets by showing which series
3274 * of words are toggled on or off. Only displays the bits we actually support
3275 * changing.
3276 **/
3277static void i40e_print_input_set(struct i40e_vsi *vsi, u64 old, u64 new)
3278{
3279 struct i40e_pf *pf = vsi->back;
3280 bool old_value, new_value;
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3281 int i;
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3282
3283 old_value = !!(old & I40E_L3_SRC_MASK);
3284 new_value = !!(new & I40E_L3_SRC_MASK);
3285 if (old_value != new_value)
3286 netif_info(pf, drv, vsi->netdev, "L3 source address: %s -> %s\n",
3287 old_value ? "ON" : "OFF",
3288 new_value ? "ON" : "OFF");
3289
3290 old_value = !!(old & I40E_L3_DST_MASK);
3291 new_value = !!(new & I40E_L3_DST_MASK);
3292 if (old_value != new_value)
3293 netif_info(pf, drv, vsi->netdev, "L3 destination address: %s -> %s\n",
3294 old_value ? "ON" : "OFF",
3295 new_value ? "ON" : "OFF");
3296
3297 old_value = !!(old & I40E_L4_SRC_MASK);
3298 new_value = !!(new & I40E_L4_SRC_MASK);
3299 if (old_value != new_value)
3300 netif_info(pf, drv, vsi->netdev, "L4 source port: %s -> %s\n",
3301 old_value ? "ON" : "OFF",
3302 new_value ? "ON" : "OFF");
3303
3304 old_value = !!(old & I40E_L4_DST_MASK);
3305 new_value = !!(new & I40E_L4_DST_MASK);
3306 if (old_value != new_value)
3307 netif_info(pf, drv, vsi->netdev, "L4 destination port: %s -> %s\n",
3308 old_value ? "ON" : "OFF",
3309 new_value ? "ON" : "OFF");
3310
3311 old_value = !!(old & I40E_VERIFY_TAG_MASK);
3312 new_value = !!(new & I40E_VERIFY_TAG_MASK);
3313 if (old_value != new_value)
3314 netif_info(pf, drv, vsi->netdev, "SCTP verification tag: %s -> %s\n",
3315 old_value ? "ON" : "OFF",
3316 new_value ? "ON" : "OFF");
3317
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3318 /* Show change of flexible filter entries */
3319 for (i = 0; i < I40E_FLEX_INDEX_ENTRIES; i++) {
3320 u64 flex_mask = i40e_pit_index_to_mask(i);
3321
3322 old_value = !!(old & flex_mask);
3323 new_value = !!(new & flex_mask);
3324 if (old_value != new_value)
3325 netif_info(pf, drv, vsi->netdev, "FLEX index %d: %s -> %s\n",
3326 i,
3327 old_value ? "ON" : "OFF",
3328 new_value ? "ON" : "OFF");
3329 }
3330
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3331 netif_info(pf, drv, vsi->netdev, " Current input set: %0llx\n",
3332 old);
3333 netif_info(pf, drv, vsi->netdev, "Requested input set: %0llx\n",
3334 new);
3335}
3336
3337/**
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3338 * i40e_check_fdir_input_set - Check that a given rx_flow_spec mask is valid
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3339 * @vsi: pointer to the targeted VSI
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3340 * @fsp: pointer to Rx flow specification
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3341 * @userdef: userdefined data from flow specification
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3342 *
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3343 * Ensures that a given ethtool_rx_flow_spec has a valid mask. Some support
3344 * for partial matches exists with a few limitations. First, hardware only
3345 * supports masking by word boundary (2 bytes) and not per individual bit.
3346 * Second, hardware is limited to using one mask for a flow type and cannot
3347 * use a separate mask for each filter.
3348 *
3349 * To support these limitations, if we already have a configured filter for
3350 * the specified type, this function enforces that new filters of the type
3351 * match the configured input set. Otherwise, if we do not have a filter of
3352 * the specified type, we allow the input set to be updated to match the
3353 * desired filter.
3354 *
3355 * To help ensure that administrators understand why filters weren't displayed
3356 * as supported, we print a diagnostic message displaying how the input set
3357 * would change and warning to delete the preexisting filters if required.
3358 *
3359 * Returns 0 on successful input set match, and a negative return code on
3360 * failure.
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3361 **/
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3362static int i40e_check_fdir_input_set(struct i40e_vsi *vsi,
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3363 struct ethtool_rx_flow_spec *fsp,
3364 struct i40e_rx_flow_userdef *userdef)
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3365{
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3366 struct i40e_pf *pf = vsi->back;
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3367 struct ethtool_tcpip4_spec *tcp_ip4_spec;
3368 struct ethtool_usrip4_spec *usr_ip4_spec;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3369 u64 current_mask, new_mask;
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3370 bool new_flex_offset = false;
3371 bool flex_l3 = false;
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3372 u16 *fdir_filter_count;
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3373 u16 index, src_offset = 0;
3374 u8 pit_index = 0;
3375 int err;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3376
3377 switch (fsp->flow_type & ~FLOW_EXT) {
Jacob Kellerf223c872017-02-06 14:38:51 -0800[diff] [blame]3378 case SCTP_V4_FLOW:
3379 index = I40E_FILTER_PCTYPE_NONF_IPV4_SCTP;
3380 fdir_filter_count = &pf->fd_sctp4_filter_cnt;
3381 break;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3382 case TCP_V4_FLOW:
3383 index = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3384 fdir_filter_count = &pf->fd_tcp4_filter_cnt;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3385 break;
3386 case UDP_V4_FLOW:
3387 index = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3388 fdir_filter_count = &pf->fd_udp4_filter_cnt;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3389 break;
3390 case IP_USER_FLOW:
3391 index = I40E_FILTER_PCTYPE_NONF_IPV4_OTHER;
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3392 fdir_filter_count = &pf->fd_ip4_filter_cnt;
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3393 flex_l3 = true;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3394 break;
3395 default:
3396 return -EOPNOTSUPP;
3397 }
3398
3399 /* Read the current input set from register memory. */
3400 current_mask = i40e_read_fd_input_set(pf, index);
3401 new_mask = current_mask;
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3402
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3403 /* Determine, if any, the required changes to the input set in order
3404 * to support the provided mask.
3405 *
3406 * Hardware only supports masking at word (2 byte) granularity and does
3407 * not support full bitwise masking. This implementation simplifies
3408 * even further and only supports fully enabled or fully disabled
3409 * masks for each field, even though we could split the ip4src and
3410 * ip4dst fields.
3411 */
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3412 switch (fsp->flow_type & ~FLOW_EXT) {
Jacob Kellerf223c872017-02-06 14:38:51 -0800[diff] [blame]3413 case SCTP_V4_FLOW:
3414 new_mask &= ~I40E_VERIFY_TAG_MASK;
3415 /* Fall through */
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3416 case TCP_V4_FLOW:
3417 case UDP_V4_FLOW:
3418 tcp_ip4_spec = &fsp->m_u.tcp_ip4_spec;
3419
3420 /* IPv4 source address */
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3421 if (tcp_ip4_spec->ip4src == htonl(0xFFFFFFFF))
3422 new_mask |= I40E_L3_SRC_MASK;
3423 else if (!tcp_ip4_spec->ip4src)
3424 new_mask &= ~I40E_L3_SRC_MASK;
3425 else
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3426 return -EOPNOTSUPP;
3427
3428 /* IPv4 destination address */
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3429 if (tcp_ip4_spec->ip4dst == htonl(0xFFFFFFFF))
3430 new_mask |= I40E_L3_DST_MASK;
3431 else if (!tcp_ip4_spec->ip4dst)
3432 new_mask &= ~I40E_L3_DST_MASK;
3433 else
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3434 return -EOPNOTSUPP;
3435
3436 /* L4 source port */
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3437 if (tcp_ip4_spec->psrc == htons(0xFFFF))
3438 new_mask |= I40E_L4_SRC_MASK;
3439 else if (!tcp_ip4_spec->psrc)
3440 new_mask &= ~I40E_L4_SRC_MASK;
3441 else
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3442 return -EOPNOTSUPP;
3443
3444 /* L4 destination port */
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3445 if (tcp_ip4_spec->pdst == htons(0xFFFF))
3446 new_mask |= I40E_L4_DST_MASK;
3447 else if (!tcp_ip4_spec->pdst)
3448 new_mask &= ~I40E_L4_DST_MASK;
3449 else
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3450 return -EOPNOTSUPP;
3451
3452 /* Filtering on Type of Service is not supported. */
3453 if (tcp_ip4_spec->tos)
3454 return -EOPNOTSUPP;
3455
3456 break;
3457 case IP_USER_FLOW:
3458 usr_ip4_spec = &fsp->m_u.usr_ip4_spec;
3459
3460 /* IPv4 source address */
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3461 if (usr_ip4_spec->ip4src == htonl(0xFFFFFFFF))
3462 new_mask |= I40E_L3_SRC_MASK;
3463 else if (!usr_ip4_spec->ip4src)
3464 new_mask &= ~I40E_L3_SRC_MASK;
3465 else
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3466 return -EOPNOTSUPP;
3467
3468 /* IPv4 destination address */
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3469 if (usr_ip4_spec->ip4dst == htonl(0xFFFFFFFF))
3470 new_mask |= I40E_L3_DST_MASK;
3471 else if (!usr_ip4_spec->ip4dst)
3472 new_mask &= ~I40E_L3_DST_MASK;
3473 else
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3474 return -EOPNOTSUPP;
3475
3476 /* First 4 bytes of L4 header */
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3477 if (usr_ip4_spec->l4_4_bytes == htonl(0xFFFFFFFF))
3478 new_mask |= I40E_L4_SRC_MASK | I40E_L4_DST_MASK;
3479 else if (!usr_ip4_spec->l4_4_bytes)
3480 new_mask &= ~(I40E_L4_SRC_MASK | I40E_L4_DST_MASK);
3481 else
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3482 return -EOPNOTSUPP;
3483
3484 /* Filtering on Type of Service is not supported. */
3485 if (usr_ip4_spec->tos)
3486 return -EOPNOTSUPP;
3487
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3488 /* Filtering on IP version is not supported */
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3489 if (usr_ip4_spec->ip_ver)
3490 return -EINVAL;
3491
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3492 /* Filtering on L4 protocol is not supported */
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3493 if (usr_ip4_spec->proto)
3494 return -EINVAL;
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3495
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3496 break;
3497 default:
3498 return -EOPNOTSUPP;
3499 }
3500
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3501 /* First, clear all flexible filter entries */
3502 new_mask &= ~I40E_FLEX_INPUT_MASK;
3503
3504 /* If we have a flexible filter, try to add this offset to the correct
3505 * flexible filter PIT list. Once finished, we can update the mask.
3506 * If the src_offset changed, we will get a new mask value which will
3507 * trigger an input set change.
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3508 */
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3509 if (userdef->flex_filter) {
3510 struct i40e_flex_pit *l3_flex_pit = NULL, *flex_pit = NULL;
3511
3512 /* Flexible offset must be even, since the flexible payload
3513 * must be aligned on 2-byte boundary.
3514 */
3515 if (userdef->flex_offset & 0x1) {
3516 dev_warn(&pf->pdev->dev,
3517 "Flexible data offset must be 2-byte aligned\n");
3518 return -EINVAL;
3519 }
3520
3521 src_offset = userdef->flex_offset >> 1;
3522
3523 /* FLX_PIT source offset value is only so large */
3524 if (src_offset > I40E_MAX_FLEX_SRC_OFFSET) {
3525 dev_warn(&pf->pdev->dev,
3526 "Flexible data must reside within first 64 bytes of the packet payload\n");
3527 return -EINVAL;
3528 }
3529
3530 /* See if this offset has already been programmed. If we get
3531 * an ERR_PTR, then the filter is not safe to add. Otherwise,
3532 * if we get a NULL pointer, this means we will need to add
3533 * the offset.
3534 */
3535 flex_pit = i40e_find_flex_offset(&pf->l4_flex_pit_list,
3536 src_offset);
3537 if (IS_ERR(flex_pit))
3538 return PTR_ERR(flex_pit);
3539
3540 /* IP_USER_FLOW filters match both L4 (ICMP) and L3 (unknown)
3541 * packet types, and thus we need to program both L3 and L4
3542 * flexible values. These must have identical flexible index,
3543 * as otherwise we can't correctly program the input set. So
3544 * we'll find both an L3 and L4 index and make sure they are
3545 * the same.
3546 */
3547 if (flex_l3) {
3548 l3_flex_pit =
3549 i40e_find_flex_offset(&pf->l3_flex_pit_list,
3550 src_offset);
3551 if (IS_ERR(l3_flex_pit))
3552 return PTR_ERR(l3_flex_pit);
3553
3554 if (flex_pit) {
3555 /* If we already had a matching L4 entry, we
3556 * need to make sure that the L3 entry we
3557 * obtained uses the same index.
3558 */
3559 if (l3_flex_pit) {
3560 if (l3_flex_pit->pit_index !=
3561 flex_pit->pit_index) {
3562 return -EINVAL;
3563 }
3564 } else {
3565 new_flex_offset = true;
3566 }
3567 } else {
3568 flex_pit = l3_flex_pit;
3569 }
3570 }
3571
3572 /* If we didn't find an existing flex offset, we need to
3573 * program a new one. However, we don't immediately program it
3574 * here because we will wait to program until after we check
3575 * that it is safe to change the input set.
3576 */
3577 if (!flex_pit) {
3578 new_flex_offset = true;
3579 pit_index = i40e_unused_pit_index(pf);
3580 } else {
3581 pit_index = flex_pit->pit_index;
3582 }
3583
3584 /* Update the mask with the new offset */
3585 new_mask |= i40e_pit_index_to_mask(pit_index);
3586 }
3587
3588 /* If the mask and flexible filter offsets for this filter match the
3589 * currently programmed values we don't need any input set change, so
3590 * this filter is safe to install.
3591 */
3592 if (new_mask == current_mask && !new_flex_offset)
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3593 return 0;
3594
3595 netif_info(pf, drv, vsi->netdev, "Input set change requested for %s flows:\n",
3596 i40e_flow_str(fsp));
3597 i40e_print_input_set(vsi, current_mask, new_mask);
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3598 if (new_flex_offset) {
3599 netif_info(pf, drv, vsi->netdev, "FLEX index %d: Offset -> %d",
3600 pit_index, src_offset);
3601 }
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3602
3603 /* Hardware input sets are global across multiple ports, so even the
3604 * main port cannot change them when in MFP mode as this would impact
3605 * any filters on the other ports.
3606 */
3607 if (pf->flags & I40E_FLAG_MFP_ENABLED) {
3608 netif_err(pf, drv, vsi->netdev, "Cannot change Flow Director input sets while MFP is enabled\n");
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3609 return -EOPNOTSUPP;
Jacob Keller9229e992017-02-06 14:38:47 -0800[diff] [blame]3610 }
3611
3612 /* This filter requires us to update the input set. However, hardware
3613 * only supports one input set per flow type, and does not support
3614 * separate masks for each filter. This means that we can only support
3615 * a single mask for all filters of a specific type.
3616 *
3617 * If we have preexisting filters, they obviously depend on the
3618 * current programmed input set. Display a diagnostic message in this
3619 * case explaining why the filter could not be accepted.
3620 */
3621 if (*fdir_filter_count) {
3622 netif_err(pf, drv, vsi->netdev, "Cannot change input set for %s flows until %d preexisting filters are removed\n",
3623 i40e_flow_str(fsp),
3624 *fdir_filter_count);
3625 return -EOPNOTSUPP;
3626 }
3627
3628 i40e_write_fd_input_set(pf, index, new_mask);
Jacob Keller36777d92017-03-07 15:05:23 -0800[diff] [blame]3629
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3630 /* Add the new offset and update table, if necessary */
3631 if (new_flex_offset) {
3632 err = i40e_add_flex_offset(&pf->l4_flex_pit_list, src_offset,
3633 pit_index);
3634 if (err)
3635 return err;
3636
3637 if (flex_l3) {
3638 err = i40e_add_flex_offset(&pf->l3_flex_pit_list,
3639 src_offset,
3640 pit_index);
3641 if (err)
3642 return err;
3643 }
3644
3645 i40e_reprogram_flex_pit(pf);
3646 }
3647
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3648 return 0;
3649}
3650
3651/**
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]3652 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3653 * @vsi: pointer to the targeted VSI
3654 * @cmd: command to get or set RX flow classification rules
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3655 *
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]3656 * Add Flow Director filters for a specific flow spec based on their
3657 * protocol. Returns 0 if the filters were successfully added.
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3658 **/
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]3659static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
3660 struct ethtool_rxnfc *cmd)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3661{
Jacob Kellere7930952017-02-06 14:38:49 -0800[diff] [blame]3662 struct i40e_rx_flow_userdef userdef;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3663 struct ethtool_rx_flow_spec *fsp;
3664 struct i40e_fdir_filter *input;
Jacob Keller43b15692017-02-06 14:38:48 -0800[diff] [blame]3665 u16 dest_vsi = 0, q_index = 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3666 struct i40e_pf *pf;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3667 int ret = -EINVAL;
Jacob Keller43b15692017-02-06 14:38:48 -0800[diff] [blame]3668 u8 dest_ctl;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3669
3670 if (!vsi)
3671 return -EINVAL;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3672 pf = vsi->back;
3673
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000[diff] [blame]3674 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
3675 return -EOPNOTSUPP;
3676
Jacob Keller47994c12017-04-19 09:25:57 -0400[diff] [blame]3677 if (pf->flags & I40E_FLAG_FD_SB_AUTO_DISABLED)
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000[diff] [blame]3678 return -ENOSPC;
3679
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]3680 if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state) ||
3681 test_bit(__I40E_RESET_INTR_RECEIVED, pf->state))
Anjali Singhai Jain60793f4a2014-07-09 07:46:23 +0000[diff] [blame]3682 return -EBUSY;
3683
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]3684 if (test_bit(__I40E_FD_FLUSH_REQUESTED, pf->state))
Anjali Singhai Jain1e1be8f2014-07-10 08:03:26 +0000[diff] [blame]3685 return -EBUSY;
3686
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000[diff] [blame]3687 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
3688
Jacob Kellere7930952017-02-06 14:38:49 -0800[diff] [blame]3689 /* Parse the user-defined field */
3690 if (i40e_parse_rx_flow_user_data(fsp, &userdef))
3691 return -EINVAL;
3692
Jacob Keller1ec8dea2017-02-06 14:39:12 -0800[diff] [blame]3693 /* Extended MAC field is not supported */
3694 if (fsp->flow_type & FLOW_MAC_EXT)
3695 return -EINVAL;
3696
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3697 ret = i40e_check_fdir_input_set(vsi, fsp, &userdef);
Jacob Kellerfaa16e02017-03-07 15:05:22 -0800[diff] [blame]3698 if (ret)
3699 return ret;
3700
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3701 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
3702 pf->hw.func_caps.fd_filters_guaranteed)) {
3703 return -EINVAL;
3704 }
3705
Jacob Keller43b15692017-02-06 14:38:48 -0800[diff] [blame]3706 /* ring_cookie is either the drop index, or is a mask of the queue
3707 * index and VF id we wish to target.
3708 */
3709 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) {
3710 dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
3711 } else {
3712 u32 ring = ethtool_get_flow_spec_ring(fsp->ring_cookie);
3713 u8 vf = ethtool_get_flow_spec_ring_vf(fsp->ring_cookie);
3714
3715 if (!vf) {
3716 if (ring >= vsi->num_queue_pairs)
3717 return -EINVAL;
3718 dest_vsi = vsi->id;
3719 } else {
3720 /* VFs are zero-indexed, so we subtract one here */
3721 vf--;
3722
3723 if (vf >= pf->num_alloc_vfs)
3724 return -EINVAL;
3725 if (ring >= pf->vf[vf].num_queue_pairs)
3726 return -EINVAL;
3727 dest_vsi = pf->vf[vf].lan_vsi_id;
3728 }
3729 dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
3730 q_index = ring;
3731 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3732
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3733 input = kzalloc(sizeof(*input), GFP_KERNEL);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3734
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3735 if (!input)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3736 return -ENOMEM;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3737
3738 input->fd_id = fsp->location;
Jacob Keller43b15692017-02-06 14:38:48 -0800[diff] [blame]3739 input->q_index = q_index;
3740 input->dest_vsi = dest_vsi;
3741 input->dest_ctl = dest_ctl;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3742 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
Anjali Singhai Jain0bf4b1b2015-04-16 20:06:02 -0400[diff] [blame]3743 input->cnt_index = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
Jacob Keller43b15692017-02-06 14:38:48 -0800[diff] [blame]3744 input->dst_ip = fsp->h_u.tcp_ip4_spec.ip4src;
3745 input->src_ip = fsp->h_u.tcp_ip4_spec.ip4dst;
Jacob Kellere7930952017-02-06 14:38:49 -0800[diff] [blame]3746 input->flow_type = fsp->flow_type & ~FLOW_EXT;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3747 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
Anjali Singhai Jain04b73bd2014-05-22 06:31:41 +0000[diff] [blame]3748
3749 /* Reverse the src and dest notion, since the HW expects them to be from
3750 * Tx perspective where as the input from user is from Rx filter view.
3751 */
3752 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
3753 input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
Jacob Keller8ce43dc2017-02-06 14:38:39 -0800[diff] [blame]3754 input->dst_ip = fsp->h_u.tcp_ip4_spec.ip4src;
3755 input->src_ip = fsp->h_u.tcp_ip4_spec.ip4dst;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3756
Jacob Keller0e588de2017-02-06 14:38:50 -0800[diff] [blame]3757 if (userdef.flex_filter) {
3758 input->flex_filter = true;
3759 input->flex_word = cpu_to_be16(userdef.flex_word);
3760 input->flex_offset = userdef.flex_offset;
3761 }
3762
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]3763 ret = i40e_add_del_fdir(vsi, input, true);
3764 if (ret)
Jacob Keller01016da2017-02-06 14:38:40 -0800[diff] [blame]3765 goto free_input;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3766
Jacob Keller01016da2017-02-06 14:38:40 -0800[diff] [blame]3767 /* Add the input filter to the fdir_input_list, possibly replacing
3768 * a previous filter. Do not free the input structure after adding it
3769 * to the list as this would cause a use-after-free bug.
3770 */
3771 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
3772
3773 return 0;
3774
3775free_input:
3776 kfree(input);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3777 return ret;
3778}
Jesse Brandeburg8fb905b2014-01-17 15:36:33 -0800[diff] [blame]3779
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3780/**
3781 * i40e_set_rxnfc - command to set RX flow classification rules
3782 * @netdev: network interface device structure
3783 * @cmd: ethtool rxnfc command
3784 *
3785 * Returns Success if the command is supported.
3786 **/
3787static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
3788{
3789 struct i40e_netdev_priv *np = netdev_priv(netdev);
3790 struct i40e_vsi *vsi = np->vsi;
3791 struct i40e_pf *pf = vsi->back;
3792 int ret = -EOPNOTSUPP;
3793
3794 switch (cmd->cmd) {
3795 case ETHTOOL_SRXFH:
3796 ret = i40e_set_rss_hash_opt(pf, cmd);
3797 break;
3798 case ETHTOOL_SRXCLSRLINS:
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]3799 ret = i40e_add_fdir_ethtool(vsi, cmd);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3800 break;
3801 case ETHTOOL_SRXCLSRLDEL:
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]3802 ret = i40e_del_fdir_entry(vsi, cmd);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]3803 break;
3804 default:
3805 break;
3806 }
3807
3808 return ret;
3809}
3810
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]3811/**
3812 * i40e_max_channels - get Max number of combined channels supported
3813 * @vsi: vsi pointer
3814 **/
3815static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
3816{
3817 /* TODO: This code assumes DCB and FD is disabled for now. */
3818 return vsi->alloc_queue_pairs;
3819}
3820
3821/**
3822 * i40e_get_channels - Get the current channels enabled and max supported etc.
3823 * @netdev: network interface device structure
3824 * @ch: ethtool channels structure
3825 *
3826 * We don't support separate tx and rx queues as channels. The other count
3827 * represents how many queues are being used for control. max_combined counts
3828 * how many queue pairs we can support. They may not be mapped 1 to 1 with
3829 * q_vectors since we support a lot more queue pairs than q_vectors.
3830 **/
3831static void i40e_get_channels(struct net_device *dev,
3832 struct ethtool_channels *ch)
3833{
3834 struct i40e_netdev_priv *np = netdev_priv(dev);
3835 struct i40e_vsi *vsi = np->vsi;
3836 struct i40e_pf *pf = vsi->back;
3837
3838 /* report maximum channels */
3839 ch->max_combined = i40e_max_channels(vsi);
3840
3841 /* report info for other vector */
Jesse Brandeburg60ea5f82014-01-17 15:36:34 -0800[diff] [blame]3842 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]3843 ch->max_other = ch->other_count;
3844
3845 /* Note: This code assumes DCB is disabled for now. */
3846 ch->combined_count = vsi->num_queue_pairs;
3847}
3848
3849/**
3850 * i40e_set_channels - Set the new channels count.
3851 * @netdev: network interface device structure
3852 * @ch: ethtool channels structure
3853 *
3854 * The new channels count may not be the same as requested by the user
3855 * since it gets rounded down to a power of 2 value.
3856 **/
3857static int i40e_set_channels(struct net_device *dev,
3858 struct ethtool_channels *ch)
3859{
Jacob Keller59826d92016-07-27 12:02:35 -0700[diff] [blame]3860 const u8 drop = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]3861 struct i40e_netdev_priv *np = netdev_priv(dev);
3862 unsigned int count = ch->combined_count;
3863 struct i40e_vsi *vsi = np->vsi;
3864 struct i40e_pf *pf = vsi->back;
Jacob Keller59826d92016-07-27 12:02:35 -0700[diff] [blame]3865 struct i40e_fdir_filter *rule;
3866 struct hlist_node *node2;
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]3867 int new_count;
Jacob Keller59826d92016-07-27 12:02:35 -0700[diff] [blame]3868 int err = 0;
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]3869
3870 /* We do not support setting channels for any other VSI at present */
3871 if (vsi->type != I40E_VSI_MAIN)
3872 return -EINVAL;
3873
3874 /* verify they are not requesting separate vectors */
3875 if (!count || ch->rx_count || ch->tx_count)
3876 return -EINVAL;
3877
3878 /* verify other_count has not changed */
Jesse Brandeburg60ea5f82014-01-17 15:36:34 -0800[diff] [blame]3879 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]3880 return -EINVAL;
3881
3882 /* verify the number of channels does not exceed hardware limits */
3883 if (count > i40e_max_channels(vsi))
3884 return -EINVAL;
3885
Jacob Keller59826d92016-07-27 12:02:35 -0700[diff] [blame]3886 /* verify that the number of channels does not invalidate any current
3887 * flow director rules
3888 */
3889 hlist_for_each_entry_safe(rule, node2,
3890 &pf->fdir_filter_list, fdir_node) {
3891 if (rule->dest_ctl != drop && count <= rule->q_index) {
3892 dev_warn(&pf->pdev->dev,
3893 "Existing user defined filter %d assigns flow to queue %d\n",
3894 rule->fd_id, rule->q_index);
3895 err = -EINVAL;
3896 }
3897 }
3898
3899 if (err) {
3900 dev_err(&pf->pdev->dev,
3901 "Existing filter rules must be deleted to reduce combined channel count to %d\n",
3902 count);
3903 return err;
3904 }
3905
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]3906 /* update feature limits from largest to smallest supported values */
3907 /* TODO: Flow director limit, DCB etc */
3908
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]3909 /* use rss_reconfig to rebuild with new queue count and update traffic
3910 * class queue mapping
3911 */
3912 new_count = i40e_reconfig_rss_queues(pf, count);
Anjali Singhai Jain5f90f422013-12-21 05:44:43 +0000[diff] [blame]3913 if (new_count > 0)
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]3914 return 0;
3915 else
3916 return -EINVAL;
3917}
3918
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]3919/**
3920 * i40e_get_rxfh_key_size - get the RSS hash key size
3921 * @netdev: network interface device structure
3922 *
3923 * Returns the table size.
3924 **/
3925static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
3926{
3927 return I40E_HKEY_ARRAY_SIZE;
3928}
3929
3930/**
3931 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
3932 * @netdev: network interface device structure
3933 *
3934 * Returns the table size.
3935 **/
3936static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
3937{
3938 return I40E_HLUT_ARRAY_SIZE;
3939}
3940
3941static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
3942 u8 *hfunc)
3943{
3944 struct i40e_netdev_priv *np = netdev_priv(netdev);
3945 struct i40e_vsi *vsi = np->vsi;
Helin Zhang043dd652015-10-21 19:56:23 -0400[diff] [blame]3946 u8 *lut, *seed = NULL;
3947 int ret;
3948 u16 i;
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]3949
3950 if (hfunc)
3951 *hfunc = ETH_RSS_HASH_TOP;
3952
3953 if (!indir)
3954 return 0;
3955
Helin Zhang043dd652015-10-21 19:56:23 -0400[diff] [blame]3956 seed = key;
3957 lut = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
3958 if (!lut)
3959 return -ENOMEM;
3960 ret = i40e_get_rss(vsi, seed, lut, I40E_HLUT_ARRAY_SIZE);
3961 if (ret)
3962 goto out;
3963 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
3964 indir[i] = (u32)(lut[i]);
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]3965
Helin Zhang043dd652015-10-21 19:56:23 -0400[diff] [blame]3966out:
3967 kfree(lut);
3968
3969 return ret;
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]3970}
3971
3972/**
3973 * i40e_set_rxfh - set the rx flow hash indirection table
3974 * @netdev: network interface device structure
3975 * @indir: indirection table
3976 * @key: hash key
3977 *
Mitch Williamscd494fb2015-07-10 19:36:04 -0400[diff] [blame]3978 * Returns -EINVAL if the table specifies an invalid queue id, otherwise
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]3979 * returns 0 after programming the table.
3980 **/
3981static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
3982 const u8 *key, const u8 hfunc)
3983{
3984 struct i40e_netdev_priv *np = netdev_priv(netdev);
3985 struct i40e_vsi *vsi = np->vsi;
Alan Bradyf1582352016-08-24 11:33:46 -0700[diff] [blame]3986 struct i40e_pf *pf = vsi->back;
Helin Zhang28c58692015-10-26 19:44:27 -0400[diff] [blame]3987 u8 *seed = NULL;
Helin Zhang043dd652015-10-21 19:56:23 -0400[diff] [blame]3988 u16 i;
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]3989
3990 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
3991 return -EOPNOTSUPP;
3992
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]3993 if (key) {
Helin Zhang28c58692015-10-26 19:44:27 -0400[diff] [blame]3994 if (!vsi->rss_hkey_user) {
3995 vsi->rss_hkey_user = kzalloc(I40E_HKEY_ARRAY_SIZE,
3996 GFP_KERNEL);
3997 if (!vsi->rss_hkey_user)
3998 return -ENOMEM;
3999 }
4000 memcpy(vsi->rss_hkey_user, key, I40E_HKEY_ARRAY_SIZE);
4001 seed = vsi->rss_hkey_user;
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]4002 }
Helin Zhang28c58692015-10-26 19:44:27 -0400[diff] [blame]4003 if (!vsi->rss_lut_user) {
4004 vsi->rss_lut_user = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
4005 if (!vsi->rss_lut_user)
4006 return -ENOMEM;
4007 }
Helin Zhang043dd652015-10-21 19:56:23 -0400[diff] [blame]4008
Helin Zhang28c58692015-10-26 19:44:27 -0400[diff] [blame]4009 /* Each 32 bits pointed by 'indir' is stored with a lut entry */
Alan Bradyf1582352016-08-24 11:33:46 -0700[diff] [blame]4010 if (indir)
4011 for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
4012 vsi->rss_lut_user[i] = (u8)(indir[i]);
4013 else
4014 i40e_fill_rss_lut(pf, vsi->rss_lut_user, I40E_HLUT_ARRAY_SIZE,
4015 vsi->rss_size);
Helin Zhang28c58692015-10-26 19:44:27 -0400[diff] [blame]4016
4017 return i40e_config_rss(vsi, seed, vsi->rss_lut_user,
4018 I40E_HLUT_ARRAY_SIZE);
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]4019}
4020
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]4021/**
4022 * i40e_get_priv_flags - report device private flags
4023 * @dev: network interface device structure
4024 *
4025 * The get string set count and the string set should be matched for each
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4026 * flag returned. Add new strings for each flag to the i40e_gstrings_priv_flags
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]4027 * array.
4028 *
4029 * Returns a u32 bitmap of flags.
4030 **/
Jesse Brandeburg5bbc3302015-02-26 16:15:20 +0000[diff] [blame]4031static u32 i40e_get_priv_flags(struct net_device *dev)
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]4032{
4033 struct i40e_netdev_priv *np = netdev_priv(dev);
4034 struct i40e_vsi *vsi = np->vsi;
4035 struct i40e_pf *pf = vsi->back;
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4036 u32 i, j, ret_flags = 0;
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]4037
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4038 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
4039 const struct i40e_priv_flags *priv_flags;
4040
4041 priv_flags = &i40e_gstrings_priv_flags[i];
4042
4043 if (priv_flags->flag & pf->flags)
4044 ret_flags |= BIT(i);
4045 }
4046
4047 if (pf->hw.pf_id != 0)
4048 return ret_flags;
4049
4050 for (j = 0; j < I40E_GL_PRIV_FLAGS_STR_LEN; j++) {
4051 const struct i40e_priv_flags *priv_flags;
4052
4053 priv_flags = &i40e_gl_gstrings_priv_flags[j];
4054
4055 if (priv_flags->flag & pf->flags)
4056 ret_flags |= BIT(i + j);
Anjali Singhai Jainb5569892016-05-03 15:13:12 -0700[diff] [blame]4057 }
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]4058
4059 return ret_flags;
4060}
4061
Shannon Nelson9ac77262015-08-27 11:42:40 -0400[diff] [blame]4062/**
4063 * i40e_set_priv_flags - set private flags
4064 * @dev: network interface device structure
4065 * @flags: bit flags to be set
4066 **/
4067static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
4068{
4069 struct i40e_netdev_priv *np = netdev_priv(dev);
4070 struct i40e_vsi *vsi = np->vsi;
4071 struct i40e_pf *pf = vsi->back;
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame^]4072 u64 orig_flags, new_flags, changed_flags;
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4073 u32 i, j;
Jesse Brandeburg827de392015-11-06 15:26:07 -0800[diff] [blame]4074
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame^]4075 orig_flags = READ_ONCE(pf->flags);
4076 new_flags = orig_flags;
Jesse Brandeburg827de392015-11-06 15:26:07 -0800[diff] [blame]4077
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4078 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
4079 const struct i40e_priv_flags *priv_flags;
Shannon Nelson9ac77262015-08-27 11:42:40 -0400[diff] [blame]4080
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4081 priv_flags = &i40e_gstrings_priv_flags[i];
4082
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4083 if (flags & BIT(i))
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame^]4084 new_flags |= priv_flags->flag;
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4085 else
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame^]4086 new_flags &= ~(priv_flags->flag);
4087
4088 /* If this is a read-only flag, it can't be changed */
4089 if (priv_flags->read_only &&
4090 ((orig_flags ^ new_flags) & ~BIT(i)))
4091 return -EOPNOTSUPP;
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4092 }
4093
4094 if (pf->hw.pf_id != 0)
4095 goto flags_complete;
4096
4097 for (j = 0; j < I40E_GL_PRIV_FLAGS_STR_LEN; j++) {
4098 const struct i40e_priv_flags *priv_flags;
4099
4100 priv_flags = &i40e_gl_gstrings_priv_flags[j];
4101
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4102 if (flags & BIT(i + j))
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame^]4103 new_flags |= priv_flags->flag;
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4104 else
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame^]4105 new_flags &= ~(priv_flags->flag);
4106
4107 /* If this is a read-only flag, it can't be changed */
4108 if (priv_flags->read_only &&
4109 ((orig_flags ^ new_flags) & ~BIT(i)))
4110 return -EOPNOTSUPP;
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4111 }
4112
4113flags_complete:
Jacob Keller841c9502017-06-23 04:24:50 -0400[diff] [blame^]4114 /* Before we finalize any flag changes, we need to perform some
4115 * checks to ensure that the changes are supported and safe.
4116 */
4117
4118 /* ATR eviction is not supported on all devices */
4119 if ((new_flags & I40E_FLAG_HW_ATR_EVICT_ENABLED) &&
4120 !(pf->hw_features & I40E_HW_ATR_EVICT_CAPABLE))
4121 return -EOPNOTSUPP;
4122
4123 /* Compare and exchange the new flags into place. If we failed, that
4124 * is if cmpxchg64 returns anything but the old value, this means that
4125 * something else has modified the flags variable since we copied it
4126 * originally. We'll just punt with an error and log something in the
4127 * message buffer.
4128 */
4129 if (cmpxchg64(&pf->flags, orig_flags, new_flags) != orig_flags) {
4130 dev_warn(&pf->pdev->dev,
4131 "Unable to update pf->flags as it was modified by another thread...\n");
4132 return -EAGAIN;
4133 }
4134
4135 changed_flags = orig_flags ^ new_flags;
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4136
4137 /* Process any additional changes needed as a result of flag changes.
4138 * The changed_flags value reflects the list of bits that were
4139 * changed in the code above.
Jesse Brandeburgef171782015-09-03 17:18:49 -0400[diff] [blame]4140 */
Jacob Keller234dc4e2016-09-06 18:05:09 -0700[diff] [blame]4141
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4142 /* Flush current ATR settings if ATR was disabled */
4143 if ((changed_flags & I40E_FLAG_FD_ATR_ENABLED) &&
4144 !(pf->flags & I40E_FLAG_FD_ATR_ENABLED)) {
Jacob Keller47994c12017-04-19 09:25:57 -0400[diff] [blame]4145 pf->flags |= I40E_FLAG_FD_ATR_AUTO_DISABLED;
Jacob Keller0da36b92017-04-19 09:25:55 -0400[diff] [blame]4146 set_bit(__I40E_FD_FLUSH_REQUESTED, pf->state);
Jesse Brandeburgef171782015-09-03 17:18:49 -0400[diff] [blame]4147 }
4148
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4149 if (changed_flags & I40E_FLAG_TRUE_PROMISC_SUPPORT) {
4150 u16 sw_flags = 0, valid_flags = 0;
4151 int ret;
4152
Anjali Singhai Jainb5569892016-05-03 15:13:12 -0700[diff] [blame]4153 if (!(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT))
4154 sw_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
4155 valid_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
4156 ret = i40e_aq_set_switch_config(&pf->hw, sw_flags, valid_flags,
4157 NULL);
4158 if (ret && pf->hw.aq.asq_last_status != I40E_AQ_RC_ESRCH) {
4159 dev_info(&pf->pdev->dev,
4160 "couldn't set switch config bits, err %s aq_err %s\n",
4161 i40e_stat_str(&pf->hw, ret),
4162 i40e_aq_str(&pf->hw,
4163 pf->hw.aq.asq_last_status));
4164 /* not a fatal problem, just keep going */
4165 }
4166 }
4167
Alexander Duyckaca955d2017-03-10 12:22:01 -0800[diff] [blame]4168 /* Issue reset to cause things to take effect, as additional bits
4169 * are added we will need to create a mask of bits requiring reset
4170 */
Alexander Duyckc424d4a2017-03-14 10:15:26 -0700[diff] [blame]4171 if ((changed_flags & I40E_FLAG_VEB_STATS_ENABLED) ||
4172 ((changed_flags & I40E_FLAG_LEGACY_RX) && netif_running(dev)))
Maciej Sosin373149f2017-04-05 07:50:55 -0400[diff] [blame]4173 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED), true);
Jesse Brandeburg827de392015-11-06 15:26:07 -0800[diff] [blame]4174
Shannon Nelson9ac77262015-08-27 11:42:40 -0400[diff] [blame]4175 return 0;
4176}
4177
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4178static const struct ethtool_ops i40e_ethtool_ops = {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4179 .get_drvinfo = i40e_get_drvinfo,
4180 .get_regs_len = i40e_get_regs_len,
4181 .get_regs = i40e_get_regs,
4182 .nway_reset = i40e_nway_reset,
4183 .get_link = ethtool_op_get_link,
4184 .get_wol = i40e_get_wol,
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]4185 .set_wol = i40e_set_wol,
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]4186 .set_eeprom = i40e_set_eeprom,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4187 .get_eeprom_len = i40e_get_eeprom_len,
4188 .get_eeprom = i40e_get_eeprom,
4189 .get_ringparam = i40e_get_ringparam,
4190 .set_ringparam = i40e_set_ringparam,
4191 .get_pauseparam = i40e_get_pauseparam,
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]4192 .set_pauseparam = i40e_set_pauseparam,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4193 .get_msglevel = i40e_get_msglevel,
4194 .set_msglevel = i40e_set_msglevel,
4195 .get_rxnfc = i40e_get_rxnfc,
4196 .set_rxnfc = i40e_set_rxnfc,
4197 .self_test = i40e_diag_test,
4198 .get_strings = i40e_get_strings,
4199 .set_phys_id = i40e_set_phys_id,
4200 .get_sset_count = i40e_get_sset_count,
4201 .get_ethtool_stats = i40e_get_ethtool_stats,
4202 .get_coalesce = i40e_get_coalesce,
4203 .set_coalesce = i40e_set_coalesce,
Mitch A Williamsb29e13b2015-03-05 04:14:40 +0000[diff] [blame]4204 .get_rxfh_key_size = i40e_get_rxfh_key_size,
4205 .get_rxfh_indir_size = i40e_get_rxfh_indir_size,
4206 .get_rxfh = i40e_get_rxfh,
4207 .set_rxfh = i40e_set_rxfh,
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]4208 .get_channels = i40e_get_channels,
4209 .set_channels = i40e_set_channels,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4210 .get_ts_info = i40e_get_ts_info,
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]4211 .get_priv_flags = i40e_get_priv_flags,
Shannon Nelson9ac77262015-08-27 11:42:40 -0400[diff] [blame]4212 .set_priv_flags = i40e_set_priv_flags,
Kan Liangbe280ba2016-02-19 09:24:05 -0500[diff] [blame]4213 .get_per_queue_coalesce = i40e_get_per_queue_coalesce,
Kan Liangf3757a42016-02-19 09:24:06 -0500[diff] [blame]4214 .set_per_queue_coalesce = i40e_set_per_queue_coalesce,
Philippe Reynesa7f90942017-02-04 22:05:06 +0100[diff] [blame]4215 .get_link_ksettings = i40e_get_link_ksettings,
4216 .set_link_ksettings = i40e_set_link_ksettings,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4217};
4218
4219void i40e_set_ethtool_ops(struct net_device *netdev)
4220{
Wilfried Klaebe7ad24ea2014-05-11 00:12:32 +0000[diff] [blame]4221 netdev->ethtool_ops = &i40e_ethtool_ops;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]4222}