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gerrit-public.fairphone.software / kernel / msm-4.19 / 29a0645c7dfcd664f1e92ab8d7539bba600b7102 / . / drivers / net / ethernet / intel / i40e / i40e_ethtool.c
blob: 9ff3dc15db2560270ed4abf5f565da3988483db5 [file] [log] [blame]
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1/*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]4 * Copyright(c) 2013 - 2015 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),
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]90};
91
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]92static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
93 struct ethtool_rxnfc *cmd);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]94
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]95/* These PF_STATs might look like duplicates of some NETDEV_STATs,
96 * but they are separate. This device supports Virtualization, and
97 * as such might have several netdevs supporting VMDq and FCoE going
98 * through a single port. The NETDEV_STATs are for individual netdevs
99 * seen at the top of the stack, and the PF_STATs are for the physical
100 * function at the bottom of the stack hosting those netdevs.
101 *
102 * The PF_STATs are appended to the netdev stats only when ethtool -S
103 * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
104 */
105static struct i40e_stats i40e_gstrings_stats[] = {
106 I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
107 I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
Shannon Nelson532d2832014-04-23 04:50:09 +0000[diff] [blame]108 I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
109 I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
110 I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
111 I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
112 I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
113 I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]114 I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
115 I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]116 I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
117 I40E_PF_STAT("crc_errors", stats.crc_errors),
118 I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
119 I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
120 I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
Jesse Brandeburga47a15f2014-02-06 05:51:09 +0000[diff] [blame]121 I40E_PF_STAT("tx_timeout", tx_timeout_count),
Jesse Brandeburg8a3c91c2014-05-20 08:01:43 +0000[diff] [blame]122 I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]123 I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
124 I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
125 I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
126 I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
127 I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
128 I40E_PF_STAT("rx_size_64", stats.rx_size_64),
129 I40E_PF_STAT("rx_size_127", stats.rx_size_127),
130 I40E_PF_STAT("rx_size_255", stats.rx_size_255),
131 I40E_PF_STAT("rx_size_511", stats.rx_size_511),
132 I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
133 I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
134 I40E_PF_STAT("rx_size_big", stats.rx_size_big),
135 I40E_PF_STAT("tx_size_64", stats.tx_size_64),
136 I40E_PF_STAT("tx_size_127", stats.tx_size_127),
137 I40E_PF_STAT("tx_size_255", stats.tx_size_255),
138 I40E_PF_STAT("tx_size_511", stats.tx_size_511),
139 I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
140 I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
141 I40E_PF_STAT("tx_size_big", stats.tx_size_big),
142 I40E_PF_STAT("rx_undersize", stats.rx_undersize),
143 I40E_PF_STAT("rx_fragments", stats.rx_fragments),
144 I40E_PF_STAT("rx_oversize", stats.rx_oversize),
145 I40E_PF_STAT("rx_jabber", stats.rx_jabber),
146 I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000[diff] [blame]147 I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
Anjali Singhai Jain60793f4a2014-07-09 07:46:23 +0000[diff] [blame]148 I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
Anjali Singhai Jain433c47d2014-05-22 06:32:17 +0000[diff] [blame]149 I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
150 I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
151
Anjali Singhai Jainbee5af72014-03-06 08:59:50 +0000[diff] [blame]152 /* LPI stats */
153 I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
154 I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
155 I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
156 I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]157};
158
Vasu Dev38e00432014-08-01 13:27:03 -0700[diff] [blame]159#ifdef I40E_FCOE
160static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
161 I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
162 I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
163 I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
164 I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
165 I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
166 I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
167 I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
168 I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
169};
170
171#endif /* I40E_FCOE */
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]172#define I40E_QUEUE_STATS_LEN(n) \
Shannon Nelson31cd8402014-04-04 04:43:12 +0000[diff] [blame]173 (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
174 * 2 /* Tx and Rx together */ \
175 * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]176#define I40E_GLOBAL_STATS_LEN ARRAY_SIZE(i40e_gstrings_stats)
177#define I40E_NETDEV_STATS_LEN ARRAY_SIZE(i40e_gstrings_net_stats)
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]178#define I40E_MISC_STATS_LEN ARRAY_SIZE(i40e_gstrings_misc_stats)
Vasu Dev38e00432014-08-01 13:27:03 -0700[diff] [blame]179#ifdef I40E_FCOE
180#define I40E_FCOE_STATS_LEN ARRAY_SIZE(i40e_gstrings_fcoe_stats)
181#define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
182 I40E_FCOE_STATS_LEN + \
183 I40E_MISC_STATS_LEN + \
184 I40E_QUEUE_STATS_LEN((n)))
185#else
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]186#define I40E_VSI_STATS_LEN(n) (I40E_NETDEV_STATS_LEN + \
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]187 I40E_MISC_STATS_LEN + \
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]188 I40E_QUEUE_STATS_LEN((n)))
Vasu Dev38e00432014-08-01 13:27:03 -0700[diff] [blame]189#endif /* I40E_FCOE */
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]190#define I40E_PFC_STATS_LEN ( \
191 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
192 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
193 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
194 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
195 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
196 / sizeof(u64))
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]197#define I40E_VEB_STATS_LEN ARRAY_SIZE(i40e_gstrings_veb_stats)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]198#define I40E_PF_STATS_LEN(n) (I40E_GLOBAL_STATS_LEN + \
199 I40E_PFC_STATS_LEN + \
200 I40E_VSI_STATS_LEN((n)))
201
202enum i40e_ethtool_test_id {
203 I40E_ETH_TEST_REG = 0,
204 I40E_ETH_TEST_EEPROM,
205 I40E_ETH_TEST_INTR,
206 I40E_ETH_TEST_LOOPBACK,
207 I40E_ETH_TEST_LINK,
208};
209
210static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
211 "Register test (offline)",
212 "Eeprom test (offline)",
213 "Interrupt test (offline)",
214 "Loopback test (offline)",
215 "Link test (on/offline)"
216};
217
218#define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
219
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]220static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
221 "NPAR",
222};
223
224#define I40E_PRIV_FLAGS_STR_LEN \
225 (sizeof(i40e_priv_flags_strings) / ETH_GSTRING_LEN)
226
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]227/**
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]228 * i40e_partition_setting_complaint - generic complaint for MFP restriction
229 * @pf: the PF struct
230 **/
231static void i40e_partition_setting_complaint(struct i40e_pf *pf)
232{
233 dev_info(&pf->pdev->dev,
234 "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");
235}
236
237/**
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]238 * i40e_get_settings_link_up - Get the Link settings for when link is up
239 * @hw: hw structure
240 * @ecmd: ethtool command to fill in
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]241 * @netdev: network interface device structure
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]242 *
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]243 **/
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]244static void i40e_get_settings_link_up(struct i40e_hw *hw,
245 struct ethtool_cmd *ecmd,
246 struct net_device *netdev)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]247{
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]248 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]249 u32 link_speed = hw_link_info->link_speed;
250
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]251 /* Initialize supported and advertised settings based on phy settings */
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]252 switch (hw_link_info->phy_type) {
253 case I40E_PHY_TYPE_40GBASE_CR4:
254 case I40E_PHY_TYPE_40GBASE_CR4_CU:
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]255 ecmd->supported = SUPPORTED_Autoneg |
256 SUPPORTED_40000baseCR4_Full;
257 ecmd->advertising = ADVERTISED_Autoneg |
258 ADVERTISED_40000baseCR4_Full;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]259 break;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]260 case I40E_PHY_TYPE_XLAUI:
261 case I40E_PHY_TYPE_XLPPI:
Catherine Sullivan180204c2015-02-26 16:14:58 +0000[diff] [blame]262 case I40E_PHY_TYPE_40GBASE_AOC:
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]263 ecmd->supported = SUPPORTED_40000baseCR4_Full;
264 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]265 case I40E_PHY_TYPE_40GBASE_KR4:
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]266 ecmd->supported = SUPPORTED_Autoneg |
267 SUPPORTED_40000baseKR4_Full;
268 ecmd->advertising = ADVERTISED_Autoneg |
269 ADVERTISED_40000baseKR4_Full;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]270 break;
271 case I40E_PHY_TYPE_40GBASE_SR4:
272 ecmd->supported = SUPPORTED_40000baseSR4_Full;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]273 break;
274 case I40E_PHY_TYPE_40GBASE_LR4:
275 ecmd->supported = SUPPORTED_40000baseLR4_Full;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]276 break;
277 case I40E_PHY_TYPE_10GBASE_KX4:
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]278 ecmd->supported = SUPPORTED_Autoneg |
279 SUPPORTED_10000baseKX4_Full;
280 ecmd->advertising = ADVERTISED_Autoneg |
281 ADVERTISED_10000baseKX4_Full;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]282 break;
283 case I40E_PHY_TYPE_10GBASE_KR:
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]284 ecmd->supported = SUPPORTED_Autoneg |
285 SUPPORTED_10000baseKR_Full;
286 ecmd->advertising = ADVERTISED_Autoneg |
287 ADVERTISED_10000baseKR_Full;
288 break;
289 case I40E_PHY_TYPE_10GBASE_SR:
290 case I40E_PHY_TYPE_10GBASE_LR:
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]291 case I40E_PHY_TYPE_1000BASE_SX:
292 case I40E_PHY_TYPE_1000BASE_LX:
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]293 ecmd->supported = SUPPORTED_10000baseT_Full |
294 SUPPORTED_1000baseT_Full;
295 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
296 ecmd->advertising |= ADVERTISED_10000baseT_Full;
297 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
298 ecmd->advertising |= ADVERTISED_1000baseT_Full;
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]299 break;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]300 case I40E_PHY_TYPE_1000BASE_KX:
301 ecmd->supported = SUPPORTED_Autoneg |
302 SUPPORTED_1000baseKX_Full;
303 ecmd->advertising = ADVERTISED_Autoneg |
304 ADVERTISED_1000baseKX_Full;
305 break;
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]306 case I40E_PHY_TYPE_10GBASE_T:
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]307 case I40E_PHY_TYPE_1000BASE_T:
308 case I40E_PHY_TYPE_100BASE_TX:
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]309 ecmd->supported = SUPPORTED_Autoneg |
Mitch Williams5960d332014-09-13 07:40:47 +0000[diff] [blame]310 SUPPORTED_10000baseT_Full |
311 SUPPORTED_1000baseT_Full |
312 SUPPORTED_100baseT_Full;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]313 ecmd->advertising = ADVERTISED_Autoneg;
314 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
315 ecmd->advertising |= ADVERTISED_10000baseT_Full;
316 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
317 ecmd->advertising |= ADVERTISED_1000baseT_Full;
318 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
319 ecmd->advertising |= ADVERTISED_100baseT_Full;
320 break;
321 case I40E_PHY_TYPE_10GBASE_CR1_CU:
322 case I40E_PHY_TYPE_10GBASE_CR1:
323 ecmd->supported = SUPPORTED_Autoneg |
324 SUPPORTED_10000baseT_Full;
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]325 ecmd->advertising = ADVERTISED_Autoneg |
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]326 ADVERTISED_10000baseT_Full;
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]327 break;
328 case I40E_PHY_TYPE_XAUI:
329 case I40E_PHY_TYPE_XFI:
330 case I40E_PHY_TYPE_SFI:
331 case I40E_PHY_TYPE_10GBASE_SFPP_CU:
Catherine Sullivan180204c2015-02-26 16:14:58 +0000[diff] [blame]332 case I40E_PHY_TYPE_10GBASE_AOC:
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]333 ecmd->supported = SUPPORTED_10000baseT_Full;
334 break;
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]335 case I40E_PHY_TYPE_SGMII:
336 ecmd->supported = SUPPORTED_Autoneg |
337 SUPPORTED_1000baseT_Full |
338 SUPPORTED_100baseT_Full;
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]339 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
340 ecmd->advertising |= ADVERTISED_1000baseT_Full;
341 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
342 ecmd->advertising |= ADVERTISED_100baseT_Full;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]343 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]344 default:
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]345 /* if we got here and link is up something bad is afoot */
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]346 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
347 hw_link_info->phy_type);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]348 }
349
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]350 /* Set speed and duplex */
351 switch (link_speed) {
352 case I40E_LINK_SPEED_40GB:
353 /* need a SPEED_40000 in ethtool.h */
354 ethtool_cmd_speed_set(ecmd, 40000);
355 break;
356 case I40E_LINK_SPEED_10GB:
357 ethtool_cmd_speed_set(ecmd, SPEED_10000);
358 break;
359 case I40E_LINK_SPEED_1GB:
360 ethtool_cmd_speed_set(ecmd, SPEED_1000);
361 break;
362 case I40E_LINK_SPEED_100MB:
363 ethtool_cmd_speed_set(ecmd, SPEED_100);
364 break;
365 default:
366 break;
367 }
368 ecmd->duplex = DUPLEX_FULL;
369}
370
371/**
372 * i40e_get_settings_link_down - Get the Link settings for when link is down
373 * @hw: hw structure
374 * @ecmd: ethtool command to fill in
375 *
376 * Reports link settings that can be determined when link is down
377 **/
378static void i40e_get_settings_link_down(struct i40e_hw *hw,
379 struct ethtool_cmd *ecmd)
380{
381 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
382
383 /* link is down and the driver needs to fall back on
384 * device ID to determine what kinds of info to display,
385 * it's mostly a guess that may change when link is up
386 */
387 switch (hw->device_id) {
388 case I40E_DEV_ID_QSFP_A:
389 case I40E_DEV_ID_QSFP_B:
390 case I40E_DEV_ID_QSFP_C:
391 /* pluggable QSFP */
392 ecmd->supported = SUPPORTED_40000baseSR4_Full |
393 SUPPORTED_40000baseCR4_Full |
394 SUPPORTED_40000baseLR4_Full;
395 ecmd->advertising = ADVERTISED_40000baseSR4_Full |
396 ADVERTISED_40000baseCR4_Full |
397 ADVERTISED_40000baseLR4_Full;
398 break;
399 case I40E_DEV_ID_KX_B:
400 /* backplane 40G */
401 ecmd->supported = SUPPORTED_40000baseKR4_Full;
402 ecmd->advertising = ADVERTISED_40000baseKR4_Full;
403 break;
404 case I40E_DEV_ID_KX_C:
405 /* backplane 10G */
406 ecmd->supported = SUPPORTED_10000baseKR_Full;
407 ecmd->advertising = ADVERTISED_10000baseKR_Full;
408 break;
409 case I40E_DEV_ID_10G_BASE_T:
410 ecmd->supported = SUPPORTED_10000baseT_Full |
411 SUPPORTED_1000baseT_Full |
412 SUPPORTED_100baseT_Full;
413 /* Figure out what has been requested */
414 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
415 ecmd->advertising |= ADVERTISED_10000baseT_Full;
416 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
417 ecmd->advertising |= ADVERTISED_1000baseT_Full;
418 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
419 ecmd->advertising |= ADVERTISED_100baseT_Full;
420 break;
421 default:
422 /* all the rest are 10G/1G */
423 ecmd->supported = SUPPORTED_10000baseT_Full |
424 SUPPORTED_1000baseT_Full;
425 /* Figure out what has been requested */
426 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
427 ecmd->advertising |= ADVERTISED_10000baseT_Full;
428 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
429 ecmd->advertising |= ADVERTISED_1000baseT_Full;
430 break;
431 }
432
433 /* With no link speed and duplex are unknown */
434 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
435 ecmd->duplex = DUPLEX_UNKNOWN;
436}
437
438/**
439 * i40e_get_settings - Get Link Speed and Duplex settings
440 * @netdev: network interface device structure
441 * @ecmd: ethtool command
442 *
443 * Reports speed/duplex settings based on media_type
444 **/
445static int i40e_get_settings(struct net_device *netdev,
446 struct ethtool_cmd *ecmd)
447{
448 struct i40e_netdev_priv *np = netdev_priv(netdev);
449 struct i40e_pf *pf = np->vsi->back;
450 struct i40e_hw *hw = &pf->hw;
451 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
452 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
453
454 if (link_up)
455 i40e_get_settings_link_up(hw, ecmd, netdev);
456 else
457 i40e_get_settings_link_down(hw, ecmd);
458
459 /* Now set the settings that don't rely on link being up/down */
460
461 /* Set autoneg settings */
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]462 ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
463 AUTONEG_ENABLE : AUTONEG_DISABLE);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]464
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]465 switch (hw->phy.media_type) {
466 case I40E_MEDIA_TYPE_BACKPLANE:
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]467 ecmd->supported |= SUPPORTED_Autoneg |
468 SUPPORTED_Backplane;
469 ecmd->advertising |= ADVERTISED_Autoneg |
470 ADVERTISED_Backplane;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]471 ecmd->port = PORT_NONE;
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]472 break;
473 case I40E_MEDIA_TYPE_BASET:
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]474 ecmd->supported |= SUPPORTED_TP;
475 ecmd->advertising |= ADVERTISED_TP;
476 ecmd->port = PORT_TP;
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]477 break;
478 case I40E_MEDIA_TYPE_DA:
479 case I40E_MEDIA_TYPE_CX4:
Jesse Brandeburgbe405eb2013-11-20 10:02:50 +0000[diff] [blame]480 ecmd->supported |= SUPPORTED_FIBRE;
481 ecmd->advertising |= ADVERTISED_FIBRE;
482 ecmd->port = PORT_DA;
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]483 break;
484 case I40E_MEDIA_TYPE_FIBER:
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]485 ecmd->supported |= SUPPORTED_FIBRE;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]486 ecmd->port = PORT_FIBRE;
Jesse Brandeburgc9a3d472013-11-26 10:49:10 +0000[diff] [blame]487 break;
488 case I40E_MEDIA_TYPE_UNKNOWN:
489 default:
490 ecmd->port = PORT_OTHER;
491 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]492 }
493
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]494 /* Set transceiver */
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]495 ecmd->transceiver = XCVR_EXTERNAL;
496
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]497 /* Set flow control settings */
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]498 ecmd->supported |= SUPPORTED_Pause;
499
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]500 switch (hw->fc.requested_mode) {
Jesse Brandeburg4e91bcd2014-06-04 08:45:23 +0000[diff] [blame]501 case I40E_FC_FULL:
502 ecmd->advertising |= ADVERTISED_Pause;
503 break;
504 case I40E_FC_TX_PAUSE:
505 ecmd->advertising |= ADVERTISED_Asym_Pause;
506 break;
507 case I40E_FC_RX_PAUSE:
508 ecmd->advertising |= (ADVERTISED_Pause |
509 ADVERTISED_Asym_Pause);
510 break;
511 default:
512 ecmd->advertising &= ~(ADVERTISED_Pause |
513 ADVERTISED_Asym_Pause);
514 break;
515 }
516
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]517 return 0;
518}
519
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]520/**
521 * i40e_set_settings - Set Speed and Duplex
522 * @netdev: network interface device structure
523 * @ecmd: ethtool command
524 *
525 * Set speed/duplex per media_types advertised/forced
526 **/
527static int i40e_set_settings(struct net_device *netdev,
528 struct ethtool_cmd *ecmd)
529{
530 struct i40e_netdev_priv *np = netdev_priv(netdev);
531 struct i40e_aq_get_phy_abilities_resp abilities;
532 struct i40e_aq_set_phy_config config;
533 struct i40e_pf *pf = np->vsi->back;
534 struct i40e_vsi *vsi = np->vsi;
535 struct i40e_hw *hw = &pf->hw;
536 struct ethtool_cmd safe_ecmd;
537 i40e_status status = 0;
538 bool change = false;
539 int err = 0;
540 u8 autoneg;
541 u32 advertise;
542
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]543 /* Changing port settings is not supported if this isn't the
544 * port's controlling PF
545 */
546 if (hw->partition_id != 1) {
547 i40e_partition_setting_complaint(pf);
548 return -EOPNOTSUPP;
549 }
550
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]551 if (vsi != pf->vsi[pf->lan_vsi])
552 return -EOPNOTSUPP;
553
554 if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
555 hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
Catherine Sullivanc57e9f12014-07-12 07:28:13 +0000[diff] [blame]556 hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
557 hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]558 return -EOPNOTSUPP;
559
560 /* get our own copy of the bits to check against */
561 memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
562 i40e_get_settings(netdev, &safe_ecmd);
563
564 /* save autoneg and speed out of ecmd */
565 autoneg = ecmd->autoneg;
566 advertise = ecmd->advertising;
567
568 /* set autoneg and speed back to what they currently are */
569 ecmd->autoneg = safe_ecmd.autoneg;
570 ecmd->advertising = safe_ecmd.advertising;
571
572 ecmd->cmd = safe_ecmd.cmd;
573 /* If ecmd and safe_ecmd are not the same now, then they are
574 * trying to set something that we do not support
575 */
576 if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
577 return -EOPNOTSUPP;
578
579 while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
580 usleep_range(1000, 2000);
581
582 /* Get the current phy config */
583 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
584 NULL);
585 if (status)
586 return -EAGAIN;
587
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]588 /* Copy abilities to config in case autoneg is not
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]589 * set below
590 */
591 memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]592 config.abilities = abilities.abilities;
593
594 /* Check autoneg */
595 if (autoneg == AUTONEG_ENABLE) {
596 /* If autoneg is not supported, return error */
597 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
598 netdev_info(netdev, "Autoneg not supported on this phy\n");
599 return -EINVAL;
600 }
601 /* If autoneg was not already enabled */
602 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
603 config.abilities = abilities.abilities |
604 I40E_AQ_PHY_ENABLE_AN;
605 change = true;
606 }
607 } else {
608 /* If autoneg is supported 10GBASE_T is the only phy that
609 * can disable it, so otherwise return error
610 */
611 if (safe_ecmd.supported & SUPPORTED_Autoneg &&
612 hw->phy.link_info.phy_type != I40E_PHY_TYPE_10GBASE_T) {
613 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
614 return -EINVAL;
615 }
616 /* If autoneg is currently enabled */
617 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
Mitch Williams5960d332014-09-13 07:40:47 +0000[diff] [blame]618 config.abilities = abilities.abilities &
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]619 ~I40E_AQ_PHY_ENABLE_AN;
620 change = true;
621 }
622 }
623
624 if (advertise & ~safe_ecmd.supported)
625 return -EINVAL;
626
627 if (advertise & ADVERTISED_100baseT_Full)
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]628 config.link_speed |= I40E_LINK_SPEED_100MB;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]629 if (advertise & ADVERTISED_1000baseT_Full ||
630 advertise & ADVERTISED_1000baseKX_Full)
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]631 config.link_speed |= I40E_LINK_SPEED_1GB;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]632 if (advertise & ADVERTISED_10000baseT_Full ||
633 advertise & ADVERTISED_10000baseKX4_Full ||
634 advertise & ADVERTISED_10000baseKR_Full)
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]635 config.link_speed |= I40E_LINK_SPEED_10GB;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]636 if (advertise & ADVERTISED_40000baseKR4_Full ||
637 advertise & ADVERTISED_40000baseCR4_Full ||
638 advertise & ADVERTISED_40000baseSR4_Full ||
639 advertise & ADVERTISED_40000baseLR4_Full)
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]640 config.link_speed |= I40E_LINK_SPEED_40GB;
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]641
Catherine Sullivan124ed152014-07-12 07:28:12 +0000[diff] [blame]642 if (change || (abilities.link_speed != config.link_speed)) {
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]643 /* copy over the rest of the abilities */
644 config.phy_type = abilities.phy_type;
645 config.eee_capability = abilities.eee_capability;
646 config.eeer = abilities.eeer_val;
647 config.low_power_ctrl = abilities.d3_lpan;
648
Catherine Sullivane8278452015-02-06 08:52:08 +0000[diff] [blame]649 /* save the requested speeds */
650 hw->phy.link_info.requested_speeds = config.link_speed;
Catherine Sullivan94128512014-07-12 07:28:16 +0000[diff] [blame]651 /* set link and auto negotiation so changes take effect */
652 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
653 /* If link is up put link down */
654 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
655 /* Tell the OS link is going down, the link will go
656 * back up when fw says it is ready asynchronously
657 */
658 netdev_info(netdev, "PHY settings change requested, NIC Link is going down.\n");
659 netif_carrier_off(netdev);
660 netif_tx_stop_all_queues(netdev);
661 }
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]662
663 /* make the aq call */
664 status = i40e_aq_set_phy_config(hw, &config, NULL);
665 if (status) {
666 netdev_info(netdev, "Set phy config failed with error %d.\n",
667 status);
668 return -EAGAIN;
669 }
670
Catherine Sullivan21af70f2015-01-24 09:58:41 +0000[diff] [blame]671 status = i40e_aq_get_link_info(hw, true, NULL, NULL);
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]672 if (status)
673 netdev_info(netdev, "Updating link info failed with error %d\n",
674 status);
675
676 } else {
677 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
678 }
679
680 return err;
681}
682
Jesse Brandeburga6599722014-06-04 08:45:25 +0000[diff] [blame]683static int i40e_nway_reset(struct net_device *netdev)
684{
685 /* restart autonegotiation */
686 struct i40e_netdev_priv *np = netdev_priv(netdev);
687 struct i40e_pf *pf = np->vsi->back;
688 struct i40e_hw *hw = &pf->hw;
689 bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
690 i40e_status ret = 0;
691
692 ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
693 if (ret) {
694 netdev_info(netdev, "link restart failed, aq_err=%d\n",
695 pf->hw.aq.asq_last_status);
696 return -EIO;
697 }
698
699 return 0;
700}
701
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]702/**
703 * i40e_get_pauseparam - Get Flow Control status
704 * Return tx/rx-pause status
705 **/
706static void i40e_get_pauseparam(struct net_device *netdev,
707 struct ethtool_pauseparam *pause)
708{
709 struct i40e_netdev_priv *np = netdev_priv(netdev);
710 struct i40e_pf *pf = np->vsi->back;
711 struct i40e_hw *hw = &pf->hw;
712 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
Neerav Parikh4b7698c2014-11-12 00:18:57 +0000[diff] [blame]713 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]714
715 pause->autoneg =
716 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
717 AUTONEG_ENABLE : AUTONEG_DISABLE);
718
Neerav Parikh4b7698c2014-11-12 00:18:57 +0000[diff] [blame]719 /* PFC enabled so report LFC as off */
720 if (dcbx_cfg->pfc.pfcenable) {
721 pause->rx_pause = 0;
722 pause->tx_pause = 0;
723 return;
724 }
725
Jesse Brandeburgd52c20b2013-11-26 10:49:15 +0000[diff] [blame]726 if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]727 pause->rx_pause = 1;
Jesse Brandeburgd52c20b2013-11-26 10:49:15 +0000[diff] [blame]728 } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]729 pause->tx_pause = 1;
Jesse Brandeburgd52c20b2013-11-26 10:49:15 +0000[diff] [blame]730 } else if (hw->fc.current_mode == I40E_FC_FULL) {
731 pause->rx_pause = 1;
732 pause->tx_pause = 1;
733 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]734}
735
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]736/**
737 * i40e_set_pauseparam - Set Flow Control parameter
738 * @netdev: network interface device structure
739 * @pause: return tx/rx flow control status
740 **/
741static int i40e_set_pauseparam(struct net_device *netdev,
742 struct ethtool_pauseparam *pause)
743{
744 struct i40e_netdev_priv *np = netdev_priv(netdev);
745 struct i40e_pf *pf = np->vsi->back;
746 struct i40e_vsi *vsi = np->vsi;
747 struct i40e_hw *hw = &pf->hw;
748 struct i40e_link_status *hw_link_info = &hw->phy.link_info;
Neerav Parikh4b7698c2014-11-12 00:18:57 +0000[diff] [blame]749 struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]750 bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
751 i40e_status status;
752 u8 aq_failures;
Catherine Sullivan7d62dac2014-07-09 07:46:18 +0000[diff] [blame]753 int err = 0;
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]754
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]755 /* Changing the port's flow control is not supported if this isn't the
756 * port's controlling PF
757 */
758 if (hw->partition_id != 1) {
759 i40e_partition_setting_complaint(pf);
760 return -EOPNOTSUPP;
761 }
762
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]763 if (vsi != pf->vsi[pf->lan_vsi])
764 return -EOPNOTSUPP;
765
766 if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
767 AUTONEG_ENABLE : AUTONEG_DISABLE)) {
768 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
769 return -EOPNOTSUPP;
770 }
771
772 /* If we have link and don't have autoneg */
773 if (!test_bit(__I40E_DOWN, &pf->state) &&
774 !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
775 /* Send message that it might not necessarily work*/
776 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
777 }
778
Neerav Parikh4b7698c2014-11-12 00:18:57 +0000[diff] [blame]779 if (dcbx_cfg->pfc.pfcenable) {
780 netdev_info(netdev,
781 "Priority flow control enabled. Cannot set link flow control.\n");
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]782 return -EOPNOTSUPP;
783 }
784
785 if (pause->rx_pause && pause->tx_pause)
786 hw->fc.requested_mode = I40E_FC_FULL;
787 else if (pause->rx_pause && !pause->tx_pause)
788 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
789 else if (!pause->rx_pause && pause->tx_pause)
790 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
791 else if (!pause->rx_pause && !pause->tx_pause)
792 hw->fc.requested_mode = I40E_FC_NONE;
793 else
794 return -EINVAL;
795
Catherine Sullivan94128512014-07-12 07:28:16 +0000[diff] [blame]796 /* Tell the OS link is going down, the link will go back up when fw
797 * says it is ready asynchronously
798 */
799 netdev_info(netdev, "Flow control settings change requested, NIC Link is going down.\n");
800 netif_carrier_off(netdev);
801 netif_tx_stop_all_queues(netdev);
802
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]803 /* Set the fc mode and only restart an if link is up*/
804 status = i40e_set_fc(hw, &aq_failures, link_up);
805
806 if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
807 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with error %d and status %d\n",
808 status, hw->aq.asq_last_status);
809 err = -EAGAIN;
810 }
811 if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
812 netdev_info(netdev, "Set fc failed on the set_phy_config call with error %d and status %d\n",
813 status, hw->aq.asq_last_status);
814 err = -EAGAIN;
815 }
816 if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
Catherine Sullivan21af70f2015-01-24 09:58:41 +0000[diff] [blame]817 netdev_info(netdev, "Set fc failed on the get_link_info call with error %d and status %d\n",
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]818 status, hw->aq.asq_last_status);
819 err = -EAGAIN;
820 }
821
Catherine Sullivan7d62dac2014-07-09 07:46:18 +0000[diff] [blame]822 if (!test_bit(__I40E_DOWN, &pf->state)) {
823 /* Give it a little more time to try to come back */
824 msleep(75);
825 if (!test_bit(__I40E_DOWN, &pf->state))
826 return i40e_nway_reset(netdev);
827 }
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]828
829 return err;
830}
831
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]832static u32 i40e_get_msglevel(struct net_device *netdev)
833{
834 struct i40e_netdev_priv *np = netdev_priv(netdev);
835 struct i40e_pf *pf = np->vsi->back;
836
837 return pf->msg_enable;
838}
839
840static void i40e_set_msglevel(struct net_device *netdev, u32 data)
841{
842 struct i40e_netdev_priv *np = netdev_priv(netdev);
843 struct i40e_pf *pf = np->vsi->back;
844
845 if (I40E_DEBUG_USER & data)
846 pf->hw.debug_mask = data;
847 pf->msg_enable = data;
848}
849
850static int i40e_get_regs_len(struct net_device *netdev)
851{
852 int reg_count = 0;
853 int i;
854
855 for (i = 0; i40e_reg_list[i].offset != 0; i++)
856 reg_count += i40e_reg_list[i].elements;
857
858 return reg_count * sizeof(u32);
859}
860
861static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
862 void *p)
863{
864 struct i40e_netdev_priv *np = netdev_priv(netdev);
865 struct i40e_pf *pf = np->vsi->back;
866 struct i40e_hw *hw = &pf->hw;
867 u32 *reg_buf = p;
868 int i, j, ri;
869 u32 reg;
870
871 /* Tell ethtool which driver-version-specific regs output we have.
872 *
873 * At some point, if we have ethtool doing special formatting of
874 * this data, it will rely on this version number to know how to
875 * interpret things. Hence, this needs to be updated if/when the
876 * diags register table is changed.
877 */
878 regs->version = 1;
879
880 /* loop through the diags reg table for what to print */
881 ri = 0;
882 for (i = 0; i40e_reg_list[i].offset != 0; i++) {
883 for (j = 0; j < i40e_reg_list[i].elements; j++) {
884 reg = i40e_reg_list[i].offset
885 + (j * i40e_reg_list[i].stride);
886 reg_buf[ri++] = rd32(hw, reg);
887 }
888 }
889
890}
891
892static int i40e_get_eeprom(struct net_device *netdev,
893 struct ethtool_eeprom *eeprom, u8 *bytes)
894{
895 struct i40e_netdev_priv *np = netdev_priv(netdev);
896 struct i40e_hw *hw = &np->vsi->back->hw;
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]897 struct i40e_pf *pf = np->vsi->back;
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]898 int ret_val = 0, len, offset;
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]899 u8 *eeprom_buff;
900 u16 i, sectors;
901 bool last;
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]902 u32 magic;
903
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]904#define I40E_NVM_SECTOR_SIZE 4096
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]905 if (eeprom->len == 0)
906 return -EINVAL;
907
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]908 /* check for NVMUpdate access method */
909 magic = hw->vendor_id | (hw->device_id << 16);
910 if (eeprom->magic && eeprom->magic != magic) {
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]911 struct i40e_nvm_access *cmd;
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]912 int errno;
913
914 /* make sure it is the right magic for NVMUpdate */
915 if ((eeprom->magic >> 16) != hw->device_id)
916 return -EINVAL;
917
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]918 cmd = (struct i40e_nvm_access *)eeprom;
919 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
Shannon Nelson29a06452015-02-27 09:18:33 +0000[diff] [blame^]920 if (ret_val &&
921 ((hw->aq.asq_last_status != I40E_AQ_RC_EACCES) ||
922 (hw->debug_mask & I40E_DEBUG_NVM)))
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]923 dev_info(&pf->pdev->dev,
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]924 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
925 ret_val, hw->aq.asq_last_status, errno,
926 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
927 cmd->offset, cmd->data_size);
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]928
929 return errno;
930 }
931
932 /* normal ethtool get_eeprom support */
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]933 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
934
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]935 eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]936 if (!eeprom_buff)
937 return -ENOMEM;
938
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]939 ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
940 if (ret_val) {
941 dev_info(&pf->pdev->dev,
942 "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
943 ret_val, hw->aq.asq_last_status);
944 goto free_buff;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]945 }
946
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]947 sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
948 sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
949 len = I40E_NVM_SECTOR_SIZE;
950 last = false;
951 for (i = 0; i < sectors; i++) {
952 if (i == (sectors - 1)) {
953 len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
954 last = true;
955 }
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]956 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
957 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]958 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]959 last, NULL);
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]960 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]961 dev_info(&pf->pdev->dev,
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]962 "read NVM failed, invalid offset 0x%x\n",
963 offset);
964 break;
965 } else if (ret_val &&
966 hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
967 dev_info(&pf->pdev->dev,
968 "read NVM failed, access, offset 0x%x\n",
969 offset);
970 break;
971 } else if (ret_val) {
972 dev_info(&pf->pdev->dev,
973 "read NVM failed offset %d err=%d status=0x%x\n",
974 offset, ret_val, hw->aq.asq_last_status);
975 break;
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]976 }
977 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]978
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]979 i40e_release_nvm(hw);
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]980 memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]981free_buff:
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]982 kfree(eeprom_buff);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]983 return ret_val;
984}
985
986static int i40e_get_eeprom_len(struct net_device *netdev)
987{
988 struct i40e_netdev_priv *np = netdev_priv(netdev);
989 struct i40e_hw *hw = &np->vsi->back->hw;
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]990 u32 val;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]991
Anjali Singhai Jaine5e0a5d2013-11-28 06:39:28 +0000[diff] [blame]992 val = (rd32(hw, I40E_GLPCI_LBARCTRL)
993 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
994 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
995 /* register returns value in power of 2, 64Kbyte chunks. */
996 val = (64 * 1024) * (1 << val);
997 return val;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]998}
999
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1000static int i40e_set_eeprom(struct net_device *netdev,
1001 struct ethtool_eeprom *eeprom, u8 *bytes)
1002{
1003 struct i40e_netdev_priv *np = netdev_priv(netdev);
1004 struct i40e_hw *hw = &np->vsi->back->hw;
1005 struct i40e_pf *pf = np->vsi->back;
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1006 struct i40e_nvm_access *cmd;
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1007 int ret_val = 0;
1008 int errno;
1009 u32 magic;
1010
1011 /* normal ethtool set_eeprom is not supported */
1012 magic = hw->vendor_id | (hw->device_id << 16);
1013 if (eeprom->magic == magic)
1014 return -EOPNOTSUPP;
1015
1016 /* check for NVMUpdate access method */
1017 if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1018 return -EINVAL;
1019
1020 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1021 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1022 return -EBUSY;
1023
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1024 cmd = (struct i40e_nvm_access *)eeprom;
1025 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
Shannon Nelson29a06452015-02-27 09:18:33 +0000[diff] [blame^]1026 if (ret_val &&
1027 ((hw->aq.asq_last_status != I40E_AQ_RC_EPERM &&
1028 hw->aq.asq_last_status != I40E_AQ_RC_EBUSY) ||
1029 (hw->debug_mask & I40E_DEBUG_NVM)))
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1030 dev_info(&pf->pdev->dev,
Shannon Nelsonc150a502014-11-13 08:23:13 +0000[diff] [blame]1031 "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1032 ret_val, hw->aq.asq_last_status, errno,
1033 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1034 cmd->offset, cmd->data_size);
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]1035
1036 return errno;
1037}
1038
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1039static void i40e_get_drvinfo(struct net_device *netdev,
1040 struct ethtool_drvinfo *drvinfo)
1041{
1042 struct i40e_netdev_priv *np = netdev_priv(netdev);
1043 struct i40e_vsi *vsi = np->vsi;
1044 struct i40e_pf *pf = vsi->back;
1045
1046 strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1047 strlcpy(drvinfo->version, i40e_driver_version_str,
1048 sizeof(drvinfo->version));
1049 strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw),
1050 sizeof(drvinfo->fw_version));
1051 strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1052 sizeof(drvinfo->bus_info));
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]1053 drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1054}
1055
1056static void i40e_get_ringparam(struct net_device *netdev,
1057 struct ethtool_ringparam *ring)
1058{
1059 struct i40e_netdev_priv *np = netdev_priv(netdev);
1060 struct i40e_pf *pf = np->vsi->back;
1061 struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1062
1063 ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1064 ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1065 ring->rx_mini_max_pending = 0;
1066 ring->rx_jumbo_max_pending = 0;
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1067 ring->rx_pending = vsi->rx_rings[0]->count;
1068 ring->tx_pending = vsi->tx_rings[0]->count;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1069 ring->rx_mini_pending = 0;
1070 ring->rx_jumbo_pending = 0;
1071}
1072
1073static int i40e_set_ringparam(struct net_device *netdev,
1074 struct ethtool_ringparam *ring)
1075{
1076 struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1077 struct i40e_netdev_priv *np = netdev_priv(netdev);
1078 struct i40e_vsi *vsi = np->vsi;
1079 struct i40e_pf *pf = vsi->back;
1080 u32 new_rx_count, new_tx_count;
1081 int i, err = 0;
1082
1083 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1084 return -EINVAL;
1085
Shannon Nelson1fa18372013-11-20 10:03:08 +0000[diff] [blame]1086 if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1087 ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1088 ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1089 ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1090 netdev_info(netdev,
1091 "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1092 ring->tx_pending, ring->rx_pending,
1093 I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1094 return -EINVAL;
1095 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1096
Shannon Nelson1fa18372013-11-20 10:03:08 +0000[diff] [blame]1097 new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1098 new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1099
1100 /* if nothing to do return success */
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1101 if ((new_tx_count == vsi->tx_rings[0]->count) &&
1102 (new_rx_count == vsi->rx_rings[0]->count))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1103 return 0;
1104
1105 while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1106 usleep_range(1000, 2000);
1107
1108 if (!netif_running(vsi->netdev)) {
1109 /* simple case - set for the next time the netdev is started */
1110 for (i = 0; i < vsi->num_queue_pairs; i++) {
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1111 vsi->tx_rings[i]->count = new_tx_count;
1112 vsi->rx_rings[i]->count = new_rx_count;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1113 }
1114 goto done;
1115 }
1116
1117 /* We can't just free everything and then setup again,
1118 * because the ISRs in MSI-X mode get passed pointers
1119 * to the Tx and Rx ring structs.
1120 */
1121
1122 /* alloc updated Tx resources */
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1123 if (new_tx_count != vsi->tx_rings[0]->count) {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1124 netdev_info(netdev,
1125 "Changing Tx descriptor count from %d to %d.\n",
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1126 vsi->tx_rings[0]->count, new_tx_count);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1127 tx_rings = kcalloc(vsi->alloc_queue_pairs,
1128 sizeof(struct i40e_ring), GFP_KERNEL);
1129 if (!tx_rings) {
1130 err = -ENOMEM;
1131 goto done;
1132 }
1133
1134 for (i = 0; i < vsi->num_queue_pairs; i++) {
1135 /* clone ring and setup updated count */
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1136 tx_rings[i] = *vsi->tx_rings[i];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1137 tx_rings[i].count = new_tx_count;
1138 err = i40e_setup_tx_descriptors(&tx_rings[i]);
1139 if (err) {
1140 while (i) {
1141 i--;
1142 i40e_free_tx_resources(&tx_rings[i]);
1143 }
1144 kfree(tx_rings);
1145 tx_rings = NULL;
1146
1147 goto done;
1148 }
1149 }
1150 }
1151
1152 /* alloc updated Rx resources */
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1153 if (new_rx_count != vsi->rx_rings[0]->count) {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1154 netdev_info(netdev,
1155 "Changing Rx descriptor count from %d to %d\n",
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1156 vsi->rx_rings[0]->count, new_rx_count);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1157 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1158 sizeof(struct i40e_ring), GFP_KERNEL);
1159 if (!rx_rings) {
1160 err = -ENOMEM;
1161 goto free_tx;
1162 }
1163
1164 for (i = 0; i < vsi->num_queue_pairs; i++) {
1165 /* clone ring and setup updated count */
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1166 rx_rings[i] = *vsi->rx_rings[i];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1167 rx_rings[i].count = new_rx_count;
1168 err = i40e_setup_rx_descriptors(&rx_rings[i]);
1169 if (err) {
1170 while (i) {
1171 i--;
1172 i40e_free_rx_resources(&rx_rings[i]);
1173 }
1174 kfree(rx_rings);
1175 rx_rings = NULL;
1176
1177 goto free_tx;
1178 }
1179 }
1180 }
1181
1182 /* Bring interface down, copy in the new ring info,
1183 * then restore the interface
1184 */
1185 i40e_down(vsi);
1186
1187 if (tx_rings) {
1188 for (i = 0; i < vsi->num_queue_pairs; i++) {
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1189 i40e_free_tx_resources(vsi->tx_rings[i]);
1190 *vsi->tx_rings[i] = tx_rings[i];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1191 }
1192 kfree(tx_rings);
1193 tx_rings = NULL;
1194 }
1195
1196 if (rx_rings) {
1197 for (i = 0; i < vsi->num_queue_pairs; i++) {
Alexander Duyck9f65e152013-09-28 06:00:58 +0000[diff] [blame]1198 i40e_free_rx_resources(vsi->rx_rings[i]);
1199 *vsi->rx_rings[i] = rx_rings[i];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1200 }
1201 kfree(rx_rings);
1202 rx_rings = NULL;
1203 }
1204
1205 i40e_up(vsi);
1206
1207free_tx:
1208 /* error cleanup if the Rx allocations failed after getting Tx */
1209 if (tx_rings) {
1210 for (i = 0; i < vsi->num_queue_pairs; i++)
1211 i40e_free_tx_resources(&tx_rings[i]);
1212 kfree(tx_rings);
1213 tx_rings = NULL;
1214 }
1215
1216done:
1217 clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1218
1219 return err;
1220}
1221
1222static int i40e_get_sset_count(struct net_device *netdev, int sset)
1223{
1224 struct i40e_netdev_priv *np = netdev_priv(netdev);
1225 struct i40e_vsi *vsi = np->vsi;
1226 struct i40e_pf *pf = vsi->back;
1227
1228 switch (sset) {
1229 case ETH_SS_TEST:
1230 return I40E_TEST_LEN;
1231 case ETH_SS_STATS:
Shannon Nelson58ce5172015-02-27 09:15:26 +0000[diff] [blame]1232 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1233 int len = I40E_PF_STATS_LEN(netdev);
1234
1235 if (pf->lan_veb != I40E_NO_VEB)
1236 len += I40E_VEB_STATS_LEN;
1237 return len;
1238 } else {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1239 return I40E_VSI_STATS_LEN(netdev);
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1240 }
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]1241 case ETH_SS_PRIV_FLAGS:
1242 return I40E_PRIV_FLAGS_STR_LEN;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1243 default:
1244 return -EOPNOTSUPP;
1245 }
1246}
1247
1248static void i40e_get_ethtool_stats(struct net_device *netdev,
1249 struct ethtool_stats *stats, u64 *data)
1250{
1251 struct i40e_netdev_priv *np = netdev_priv(netdev);
Akeem G Abodunrine7046ee2014-04-09 05:58:58 +0000[diff] [blame]1252 struct i40e_ring *tx_ring, *rx_ring;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1253 struct i40e_vsi *vsi = np->vsi;
1254 struct i40e_pf *pf = vsi->back;
1255 int i = 0;
1256 char *p;
1257 int j;
1258 struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1259 unsigned int start;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1260
1261 i40e_update_stats(vsi);
1262
1263 for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1264 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1265 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1266 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1267 }
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]1268 for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1269 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1270 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1271 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1272 }
Vasu Dev38e00432014-08-01 13:27:03 -0700[diff] [blame]1273#ifdef I40E_FCOE
1274 for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1275 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1276 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1277 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1278 }
1279#endif
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1280 rcu_read_lock();
Catherine Sullivan99c472a2014-03-14 07:32:30 +0000[diff] [blame]1281 for (j = 0; j < vsi->num_queue_pairs; j++) {
Akeem G Abodunrine7046ee2014-04-09 05:58:58 +0000[diff] [blame]1282 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1283
1284 if (!tx_ring)
1285 continue;
1286
1287 /* process Tx ring statistics */
1288 do {
Eric W. Biederman57a77442014-03-13 21:26:42 -0700[diff] [blame]1289 start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1290 data[i] = tx_ring->stats.packets;
1291 data[i + 1] = tx_ring->stats.bytes;
Eric W. Biederman57a77442014-03-13 21:26:42 -0700[diff] [blame]1292 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
Catherine Sullivan99c472a2014-03-14 07:32:30 +0000[diff] [blame]1293 i += 2;
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1294
1295 /* Rx ring is the 2nd half of the queue pair */
1296 rx_ring = &tx_ring[1];
1297 do {
Eric W. Biederman57a77442014-03-13 21:26:42 -0700[diff] [blame]1298 start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
Catherine Sullivan99c472a2014-03-14 07:32:30 +0000[diff] [blame]1299 data[i] = rx_ring->stats.packets;
1300 data[i + 1] = rx_ring->stats.bytes;
Eric W. Biederman57a77442014-03-13 21:26:42 -0700[diff] [blame]1301 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
Catherine Sullivan99c472a2014-03-14 07:32:30 +0000[diff] [blame]1302 i += 2;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1303 }
Alexander Duyck980e9b12013-09-28 06:01:03 +0000[diff] [blame]1304 rcu_read_unlock();
Shannon Nelson58ce5172015-02-27 09:15:26 +0000[diff] [blame]1305 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1306 return;
1307
1308 if (pf->lan_veb != I40E_NO_VEB) {
1309 struct i40e_veb *veb = pf->veb[pf->lan_veb];
1310 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1311 p = (char *)veb;
1312 p += i40e_gstrings_veb_stats[j].stat_offset;
1313 data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1314 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1315 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1316 }
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1317 for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1318 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1319 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1320 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1321 }
1322 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1323 data[i++] = pf->stats.priority_xon_tx[j];
1324 data[i++] = pf->stats.priority_xoff_tx[j];
1325 }
1326 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1327 data[i++] = pf->stats.priority_xon_rx[j];
1328 data[i++] = pf->stats.priority_xoff_rx[j];
1329 }
1330 for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1331 data[i++] = pf->stats.priority_xon_2_xoff[j];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1332}
1333
1334static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1335 u8 *data)
1336{
1337 struct i40e_netdev_priv *np = netdev_priv(netdev);
1338 struct i40e_vsi *vsi = np->vsi;
1339 struct i40e_pf *pf = vsi->back;
1340 char *p = (char *)data;
1341 int i;
1342
1343 switch (stringset) {
1344 case ETH_SS_TEST:
1345 for (i = 0; i < I40E_TEST_LEN; i++) {
1346 memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
1347 data += ETH_GSTRING_LEN;
1348 }
1349 break;
1350 case ETH_SS_STATS:
1351 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1352 snprintf(p, ETH_GSTRING_LEN, "%s",
1353 i40e_gstrings_net_stats[i].stat_string);
1354 p += ETH_GSTRING_LEN;
1355 }
Shannon Nelson41a9e552014-04-23 04:50:20 +0000[diff] [blame]1356 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1357 snprintf(p, ETH_GSTRING_LEN, "%s",
1358 i40e_gstrings_misc_stats[i].stat_string);
1359 p += ETH_GSTRING_LEN;
1360 }
Vasu Dev38e00432014-08-01 13:27:03 -0700[diff] [blame]1361#ifdef I40E_FCOE
1362 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1363 snprintf(p, ETH_GSTRING_LEN, "%s",
1364 i40e_gstrings_fcoe_stats[i].stat_string);
1365 p += ETH_GSTRING_LEN;
1366 }
1367#endif
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1368 for (i = 0; i < vsi->num_queue_pairs; i++) {
1369 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
1370 p += ETH_GSTRING_LEN;
1371 snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
1372 p += ETH_GSTRING_LEN;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1373 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
1374 p += ETH_GSTRING_LEN;
1375 snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
1376 p += ETH_GSTRING_LEN;
1377 }
Shannon Nelson58ce5172015-02-27 09:15:26 +0000[diff] [blame]1378 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1379 return;
1380
1381 if (pf->lan_veb != I40E_NO_VEB) {
1382 for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1383 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1384 i40e_gstrings_veb_stats[i].stat_string);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1385 p += ETH_GSTRING_LEN;
1386 }
Shannon Nelson8eab9cf2014-04-23 04:49:55 +0000[diff] [blame]1387 }
1388 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1389 snprintf(p, ETH_GSTRING_LEN, "port.%s",
1390 i40e_gstrings_stats[i].stat_string);
1391 p += ETH_GSTRING_LEN;
1392 }
1393 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1394 snprintf(p, ETH_GSTRING_LEN,
1395 "port.tx_priority_%u_xon", i);
1396 p += ETH_GSTRING_LEN;
1397 snprintf(p, ETH_GSTRING_LEN,
1398 "port.tx_priority_%u_xoff", i);
1399 p += ETH_GSTRING_LEN;
1400 }
1401 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1402 snprintf(p, ETH_GSTRING_LEN,
1403 "port.rx_priority_%u_xon", i);
1404 p += ETH_GSTRING_LEN;
1405 snprintf(p, ETH_GSTRING_LEN,
1406 "port.rx_priority_%u_xoff", i);
1407 p += ETH_GSTRING_LEN;
1408 }
1409 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1410 snprintf(p, ETH_GSTRING_LEN,
1411 "port.rx_priority_%u_xon_2_xoff", i);
1412 p += ETH_GSTRING_LEN;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1413 }
1414 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1415 break;
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]1416 case ETH_SS_PRIV_FLAGS:
1417 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1418 memcpy(data, i40e_priv_flags_strings[i],
1419 ETH_GSTRING_LEN);
1420 data += ETH_GSTRING_LEN;
1421 }
1422 break;
Akeem G Abodunrin579b23d2015-02-24 06:58:42 +0000[diff] [blame]1423 default:
1424 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1425 }
1426}
1427
1428static int i40e_get_ts_info(struct net_device *dev,
1429 struct ethtool_ts_info *info)
1430{
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000[diff] [blame]1431 struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1432
Jacob Kellerfe88bda2014-11-11 20:05:58 +0000[diff] [blame]1433 /* only report HW timestamping if PTP is enabled */
1434 if (!(pf->flags & I40E_FLAG_PTP))
1435 return ethtool_op_get_ts_info(dev, info);
1436
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000[diff] [blame]1437 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1438 SOF_TIMESTAMPING_RX_SOFTWARE |
1439 SOF_TIMESTAMPING_SOFTWARE |
1440 SOF_TIMESTAMPING_TX_HARDWARE |
1441 SOF_TIMESTAMPING_RX_HARDWARE |
1442 SOF_TIMESTAMPING_RAW_HARDWARE;
1443
1444 if (pf->ptp_clock)
1445 info->phc_index = ptp_clock_index(pf->ptp_clock);
1446 else
1447 info->phc_index = -1;
1448
1449 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
1450
1451 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
1452 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
1453 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
1454 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
1455 (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
1456 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
1457 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
1458 (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
1459 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
1460 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
1461 (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
1462 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ);
1463
1464 return 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1465}
1466
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1467static int i40e_link_test(struct net_device *netdev, u64 *data)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1468{
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1469 struct i40e_netdev_priv *np = netdev_priv(netdev);
1470 struct i40e_pf *pf = np->vsi->back;
1471
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1472 netif_info(pf, hw, netdev, "link test\n");
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1473 if (i40e_get_link_status(&pf->hw))
1474 *data = 0;
1475 else
1476 *data = 1;
1477
1478 return *data;
1479}
1480
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1481static int i40e_reg_test(struct net_device *netdev, u64 *data)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1482{
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1483 struct i40e_netdev_priv *np = netdev_priv(netdev);
1484 struct i40e_pf *pf = np->vsi->back;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1485
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1486 netif_info(pf, hw, netdev, "register test\n");
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1487 *data = i40e_diag_reg_test(&pf->hw);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1488
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1489 return *data;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1490}
1491
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1492static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1493{
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1494 struct i40e_netdev_priv *np = netdev_priv(netdev);
1495 struct i40e_pf *pf = np->vsi->back;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1496
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1497 netif_info(pf, hw, netdev, "eeprom test\n");
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1498 *data = i40e_diag_eeprom_test(&pf->hw);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1499
Shannon Nelson4443ec92014-11-13 08:23:12 +0000[diff] [blame]1500 /* forcebly clear the NVM Update state machine */
1501 pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1502
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1503 return *data;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1504}
1505
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1506static int i40e_intr_test(struct net_device *netdev, u64 *data)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1507{
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1508 struct i40e_netdev_priv *np = netdev_priv(netdev);
1509 struct i40e_pf *pf = np->vsi->back;
Shannon Nelsoncd92e722013-11-16 10:00:44 +0000[diff] [blame]1510 u16 swc_old = pf->sw_int_count;
1511
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1512 netif_info(pf, hw, netdev, "interrupt test\n");
Shannon Nelsoncd92e722013-11-16 10:00:44 +0000[diff] [blame]1513 wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1514 (I40E_PFINT_DYN_CTL0_INTENA_MASK |
Shannon Nelson5d1ff1062014-11-11 20:04:35 +0000[diff] [blame]1515 I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1516 I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1517 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1518 I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
Shannon Nelsoncd92e722013-11-16 10:00:44 +0000[diff] [blame]1519 usleep_range(1000, 2000);
1520 *data = (swc_old == pf->sw_int_count);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1521
1522 return *data;
1523}
1524
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1525static int i40e_loopback_test(struct net_device *netdev, u64 *data)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1526{
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1527 struct i40e_netdev_priv *np = netdev_priv(netdev);
1528 struct i40e_pf *pf = np->vsi->back;
1529
1530 netif_info(pf, hw, netdev, "loopback test not implemented\n");
Shannon Nelsoncd92e722013-11-16 10:00:44 +0000[diff] [blame]1531 *data = 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1532
1533 return *data;
1534}
1535
1536static void i40e_diag_test(struct net_device *netdev,
1537 struct ethtool_test *eth_test, u64 *data)
1538{
1539 struct i40e_netdev_priv *np = netdev_priv(netdev);
Greg Rose5b86c5c2015-02-26 16:14:35 +0000[diff] [blame]1540 bool if_running = netif_running(netdev);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1541 struct i40e_pf *pf = np->vsi->back;
1542
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1543 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1544 /* Offline tests */
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1545 netif_info(pf, drv, netdev, "offline testing starting\n");
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1546
Shannon Nelsonf551b432013-11-26 10:49:12 +0000[diff] [blame]1547 set_bit(__I40E_TESTING, &pf->state);
Greg Rose5b86c5c2015-02-26 16:14:35 +0000[diff] [blame]1548 /* If the device is online then take it offline */
1549 if (if_running)
1550 /* indicate we're in test mode */
1551 dev_close(netdev);
1552 else
1553 i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED));
Shannon Nelsonf551b432013-11-26 10:49:12 +0000[diff] [blame]1554
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1555 /* Link test performed before hardware reset
1556 * so autoneg doesn't interfere with test result
1557 */
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1558 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1559 eth_test->flags |= ETH_TEST_FL_FAILED;
1560
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1561 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1562 eth_test->flags |= ETH_TEST_FL_FAILED;
1563
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1564 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1565 eth_test->flags |= ETH_TEST_FL_FAILED;
1566
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1567 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1568 eth_test->flags |= ETH_TEST_FL_FAILED;
1569
Shannon Nelsonf551b432013-11-26 10:49:12 +0000[diff] [blame]1570 /* run reg test last, a reset is required after it */
1571 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1572 eth_test->flags |= ETH_TEST_FL_FAILED;
1573
1574 clear_bit(__I40E_TESTING, &pf->state);
1575 i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED));
Greg Rose5b86c5c2015-02-26 16:14:35 +0000[diff] [blame]1576
1577 if (if_running)
1578 dev_open(netdev);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1579 } else {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1580 /* Online tests */
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1581 netif_info(pf, drv, netdev, "online testing starting\n");
1582
Shannon Nelson7b086392013-11-20 10:02:59 +0000[diff] [blame]1583 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1584 eth_test->flags |= ETH_TEST_FL_FAILED;
1585
1586 /* Offline only tests, not run in online; pass by default */
1587 data[I40E_ETH_TEST_REG] = 0;
1588 data[I40E_ETH_TEST_EEPROM] = 0;
1589 data[I40E_ETH_TEST_INTR] = 0;
1590 data[I40E_ETH_TEST_LOOPBACK] = 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1591 }
Shannon Nelsonc140c172013-11-20 10:02:58 +0000[diff] [blame]1592
Shannon Nelsonb03aaa92013-11-20 10:03:06 +0000[diff] [blame]1593 netif_info(pf, drv, netdev, "testing finished\n");
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1594}
1595
1596static void i40e_get_wol(struct net_device *netdev,
1597 struct ethtool_wolinfo *wol)
1598{
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]1599 struct i40e_netdev_priv *np = netdev_priv(netdev);
1600 struct i40e_pf *pf = np->vsi->back;
1601 struct i40e_hw *hw = &pf->hw;
1602 u16 wol_nvm_bits;
1603
1604 /* NVM bit on means WoL disabled for the port */
1605 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]1606 if ((1 << hw->port) & wol_nvm_bits || hw->partition_id != 1) {
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]1607 wol->supported = 0;
1608 wol->wolopts = 0;
1609 } else {
1610 wol->supported = WAKE_MAGIC;
1611 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1612 }
1613}
1614
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]1615/**
1616 * i40e_set_wol - set the WakeOnLAN configuration
1617 * @netdev: the netdev in question
1618 * @wol: the ethtool WoL setting data
1619 **/
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]1620static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1621{
1622 struct i40e_netdev_priv *np = netdev_priv(netdev);
1623 struct i40e_pf *pf = np->vsi->back;
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]1624 struct i40e_vsi *vsi = np->vsi;
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]1625 struct i40e_hw *hw = &pf->hw;
1626 u16 wol_nvm_bits;
1627
Shannon Nelsonf0d8c732014-12-11 07:06:32 +0000[diff] [blame]1628 /* WoL not supported if this isn't the controlling PF on the port */
1629 if (hw->partition_id != 1) {
1630 i40e_partition_setting_complaint(pf);
1631 return -EOPNOTSUPP;
1632 }
1633
1634 if (vsi != pf->vsi[pf->lan_vsi])
1635 return -EOPNOTSUPP;
1636
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]1637 /* NVM bit on means WoL disabled for the port */
1638 i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1639 if (((1 << hw->port) & wol_nvm_bits))
1640 return -EOPNOTSUPP;
1641
1642 /* only magic packet is supported */
1643 if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1644 return -EOPNOTSUPP;
1645
1646 /* is this a new value? */
1647 if (pf->wol_en != !!wol->wolopts) {
1648 pf->wol_en = !!wol->wolopts;
1649 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1650 }
1651
1652 return 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1653}
1654
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1655static int i40e_set_phys_id(struct net_device *netdev,
1656 enum ethtool_phys_id_state state)
1657{
1658 struct i40e_netdev_priv *np = netdev_priv(netdev);
1659 struct i40e_pf *pf = np->vsi->back;
1660 struct i40e_hw *hw = &pf->hw;
1661 int blink_freq = 2;
1662
1663 switch (state) {
1664 case ETHTOOL_ID_ACTIVE:
1665 pf->led_status = i40e_led_get(hw);
1666 return blink_freq;
1667 case ETHTOOL_ID_ON:
Jesse Brandeburg0556a9e2013-11-28 06:39:33 +0000[diff] [blame]1668 i40e_led_set(hw, 0xF, false);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1669 break;
1670 case ETHTOOL_ID_OFF:
Jesse Brandeburg0556a9e2013-11-28 06:39:33 +0000[diff] [blame]1671 i40e_led_set(hw, 0x0, false);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1672 break;
1673 case ETHTOOL_ID_INACTIVE:
Jesse Brandeburg0556a9e2013-11-28 06:39:33 +0000[diff] [blame]1674 i40e_led_set(hw, pf->led_status, false);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1675 break;
Akeem G Abodunrin579b23d2015-02-24 06:58:42 +0000[diff] [blame]1676 default:
1677 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1678 }
1679
1680 return 0;
1681}
1682
1683/* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1684 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1685 * 125us (8000 interrupts per second) == ITR(62)
1686 */
1687
1688static int i40e_get_coalesce(struct net_device *netdev,
1689 struct ethtool_coalesce *ec)
1690{
1691 struct i40e_netdev_priv *np = netdev_priv(netdev);
1692 struct i40e_vsi *vsi = np->vsi;
1693
1694 ec->tx_max_coalesced_frames_irq = vsi->work_limit;
1695 ec->rx_max_coalesced_frames_irq = vsi->work_limit;
1696
1697 if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
Mitch Williams32f5f542014-04-04 04:43:10 +0000[diff] [blame]1698 ec->use_adaptive_rx_coalesce = 1;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1699
1700 if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
Mitch Williams32f5f542014-04-04 04:43:10 +0000[diff] [blame]1701 ec->use_adaptive_tx_coalesce = 1;
1702
1703 ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
1704 ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1705
1706 return 0;
1707}
1708
1709static int i40e_set_coalesce(struct net_device *netdev,
1710 struct ethtool_coalesce *ec)
1711{
1712 struct i40e_netdev_priv *np = netdev_priv(netdev);
1713 struct i40e_q_vector *q_vector;
1714 struct i40e_vsi *vsi = np->vsi;
1715 struct i40e_pf *pf = vsi->back;
1716 struct i40e_hw *hw = &pf->hw;
1717 u16 vector;
1718 int i;
1719
1720 if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
1721 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
1722
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]1723 vector = vsi->base_vector;
Mitch Williams32f5f542014-04-04 04:43:10 +0000[diff] [blame]1724 if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]1725 (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1726 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]1727 } else if (ec->rx_coalesce_usecs == 0) {
1728 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]1729 if (ec->use_adaptive_rx_coalesce)
Jesse Brandeburg79442d32014-10-25 03:24:32 +0000[diff] [blame]1730 netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]1731 } else {
Jesse Brandeburg79442d32014-10-25 03:24:32 +0000[diff] [blame]1732 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
Mitch Williams32f5f542014-04-04 04:43:10 +0000[diff] [blame]1733 return -EINVAL;
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]1734 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1735
Mitch Williams32f5f542014-04-04 04:43:10 +0000[diff] [blame]1736 if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]1737 (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1738 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]1739 } else if (ec->tx_coalesce_usecs == 0) {
1740 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]1741 if (ec->use_adaptive_tx_coalesce)
Jesse Brandeburg79442d32014-10-25 03:24:32 +0000[diff] [blame]1742 netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]1743 } else {
1744 netif_info(pf, drv, netdev,
Jesse Brandeburg79442d32014-10-25 03:24:32 +0000[diff] [blame]1745 "Invalid value, tx-usecs range is 0-8160\n");
Mitch Williams32f5f542014-04-04 04:43:10 +0000[diff] [blame]1746 return -EINVAL;
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000[diff] [blame]1747 }
Mitch Williams32f5f542014-04-04 04:43:10 +0000[diff] [blame]1748
1749 if (ec->use_adaptive_rx_coalesce)
1750 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC;
1751 else
1752 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
1753
1754 if (ec->use_adaptive_tx_coalesce)
1755 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC;
1756 else
1757 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1758
Alexander Duyck493fb302013-09-28 07:01:44 +0000[diff] [blame]1759 for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
1760 q_vector = vsi->q_vectors[i];
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1761 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting);
1762 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr);
1763 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting);
1764 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr);
1765 i40e_flush(hw);
1766 }
1767
1768 return 0;
1769}
1770
1771/**
1772 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
1773 * @pf: pointer to the physical function struct
1774 * @cmd: ethtool rxnfc command
1775 *
1776 * Returns Success if the flow is supported, else Invalid Input.
1777 **/
1778static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
1779{
1780 cmd->data = 0;
1781
Carolyn Wyborny88eee9b2015-02-06 08:52:09 +0000[diff] [blame]1782 if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) {
1783 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data;
1784 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type;
1785 return 0;
1786 }
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1787 /* Report default options for RSS on i40e */
1788 switch (cmd->flow_type) {
1789 case TCP_V4_FLOW:
1790 case UDP_V4_FLOW:
1791 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1792 /* fall through to add IP fields */
1793 case SCTP_V4_FLOW:
1794 case AH_ESP_V4_FLOW:
1795 case AH_V4_FLOW:
1796 case ESP_V4_FLOW:
1797 case IPV4_FLOW:
1798 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1799 break;
1800 case TCP_V6_FLOW:
1801 case UDP_V6_FLOW:
1802 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1803 /* fall through to add IP fields */
1804 case SCTP_V6_FLOW:
1805 case AH_ESP_V6_FLOW:
1806 case AH_V6_FLOW:
1807 case ESP_V6_FLOW:
1808 case IPV6_FLOW:
1809 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1810 break;
1811 default:
1812 return -EINVAL;
1813 }
1814
1815 return 0;
1816}
1817
1818/**
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]1819 * i40e_get_ethtool_fdir_all - Populates the rule count of a command
1820 * @pf: Pointer to the physical function struct
1821 * @cmd: The command to get or set Rx flow classification rules
1822 * @rule_locs: Array of used rule locations
1823 *
1824 * This function populates both the total and actual rule count of
1825 * the ethtool flow classification command
1826 *
1827 * Returns 0 on success or -EMSGSIZE if entry not found
1828 **/
1829static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
1830 struct ethtool_rxnfc *cmd,
1831 u32 *rule_locs)
1832{
1833 struct i40e_fdir_filter *rule;
1834 struct hlist_node *node2;
1835 int cnt = 0;
1836
1837 /* report total rule count */
Anjali Singhai Jain082def12014-04-09 05:59:00 +0000[diff] [blame]1838 cmd->data = i40e_get_fd_cnt_all(pf);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]1839
1840 hlist_for_each_entry_safe(rule, node2,
1841 &pf->fdir_filter_list, fdir_node) {
1842 if (cnt == cmd->rule_cnt)
1843 return -EMSGSIZE;
1844
1845 rule_locs[cnt] = rule->fd_id;
1846 cnt++;
1847 }
1848
1849 cmd->rule_cnt = cnt;
1850
1851 return 0;
1852}
1853
1854/**
1855 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
1856 * @pf: Pointer to the physical function struct
1857 * @cmd: The command to get or set Rx flow classification rules
1858 *
1859 * This function looks up a filter based on the Rx flow classification
1860 * command and fills the flow spec info for it if found
1861 *
1862 * Returns 0 on success or -EINVAL if filter not found
1863 **/
1864static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
1865 struct ethtool_rxnfc *cmd)
1866{
1867 struct ethtool_rx_flow_spec *fsp =
1868 (struct ethtool_rx_flow_spec *)&cmd->fs;
1869 struct i40e_fdir_filter *rule = NULL;
1870 struct hlist_node *node2;
1871
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]1872 hlist_for_each_entry_safe(rule, node2,
1873 &pf->fdir_filter_list, fdir_node) {
1874 if (fsp->location <= rule->fd_id)
1875 break;
1876 }
1877
1878 if (!rule || fsp->location != rule->fd_id)
1879 return -EINVAL;
1880
1881 fsp->flow_type = rule->flow_type;
Anjali Singhai Jain7d54eb22014-03-14 07:32:21 +0000[diff] [blame]1882 if (fsp->flow_type == IP_USER_FLOW) {
1883 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
1884 fsp->h_u.usr_ip4_spec.proto = 0;
1885 fsp->m_u.usr_ip4_spec.proto = 0;
1886 }
1887
Anjali Singhai Jain04b73bd2014-05-22 06:31:41 +0000[diff] [blame]1888 /* Reverse the src and dest notion, since the HW views them from
1889 * Tx perspective where as the user expects it from Rx filter view.
1890 */
1891 fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
1892 fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
1893 fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
1894 fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
Anjali Singhai Jain387ce1a2014-05-22 06:32:23 +0000[diff] [blame]1895
1896 if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
1897 fsp->ring_cookie = RX_CLS_FLOW_DISC;
1898 else
1899 fsp->ring_cookie = rule->q_index;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]1900
1901 return 0;
1902}
1903
1904/**
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1905 * i40e_get_rxnfc - command to get RX flow classification rules
1906 * @netdev: network interface device structure
1907 * @cmd: ethtool rxnfc command
1908 *
1909 * Returns Success if the command is supported.
1910 **/
1911static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1912 u32 *rule_locs)
1913{
1914 struct i40e_netdev_priv *np = netdev_priv(netdev);
1915 struct i40e_vsi *vsi = np->vsi;
1916 struct i40e_pf *pf = vsi->back;
1917 int ret = -EOPNOTSUPP;
1918
1919 switch (cmd->cmd) {
1920 case ETHTOOL_GRXRINGS:
1921 cmd->data = vsi->alloc_queue_pairs;
1922 ret = 0;
1923 break;
1924 case ETHTOOL_GRXFH:
1925 ret = i40e_get_rss_hash_opts(pf, cmd);
1926 break;
1927 case ETHTOOL_GRXCLSRLCNT:
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]1928 cmd->rule_cnt = pf->fdir_pf_active_filters;
Anjali Singhai Jain082def12014-04-09 05:59:00 +0000[diff] [blame]1929 /* report total rule count */
1930 cmd->data = i40e_get_fd_cnt_all(pf);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1931 ret = 0;
1932 break;
1933 case ETHTOOL_GRXCLSRULE:
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]1934 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1935 break;
1936 case ETHTOOL_GRXCLSRLALL:
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]1937 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
1938 break;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]1939 default:
1940 break;
1941 }
1942
1943 return ret;
1944}
1945
1946/**
1947 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
1948 * @pf: pointer to the physical function struct
1949 * @cmd: ethtool rxnfc command
1950 *
1951 * Returns Success if the flow input set is supported.
1952 **/
1953static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
1954{
1955 struct i40e_hw *hw = &pf->hw;
1956 u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |
1957 ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);
1958
1959 /* RSS does not support anything other than hashing
1960 * to queues on src and dst IPs and ports
1961 */
1962 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
1963 RXH_L4_B_0_1 | RXH_L4_B_2_3))
1964 return -EINVAL;
1965
1966 /* We need at least the IP SRC and DEST fields for hashing */
1967 if (!(nfc->data & RXH_IP_SRC) ||
1968 !(nfc->data & RXH_IP_DST))
1969 return -EINVAL;
1970
1971 switch (nfc->flow_type) {
1972 case TCP_V4_FLOW:
1973 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1974 case 0:
1975 hena &= ~((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
1976 break;
1977 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
1978 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
1979 break;
1980 default:
1981 return -EINVAL;
1982 }
1983 break;
1984 case TCP_V6_FLOW:
1985 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1986 case 0:
1987 hena &= ~((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
1988 break;
1989 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
1990 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
1991 break;
1992 default:
1993 return -EINVAL;
1994 }
1995 break;
1996 case UDP_V4_FLOW:
1997 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1998 case 0:
Kevin Scottb2d36c02014-04-09 05:58:59 +0000[diff] [blame]1999 hena &= ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2000 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4));
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2001 break;
2002 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
Kevin Scottb2d36c02014-04-09 05:58:59 +0000[diff] [blame]2003 hena |= (((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2004 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4));
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2005 break;
2006 default:
2007 return -EINVAL;
2008 }
2009 break;
2010 case UDP_V6_FLOW:
2011 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2012 case 0:
Kevin Scottb2d36c02014-04-09 05:58:59 +0000[diff] [blame]2013 hena &= ~(((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2014 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6));
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2015 break;
2016 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
Kevin Scottb2d36c02014-04-09 05:58:59 +0000[diff] [blame]2017 hena |= (((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2018 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6));
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2019 break;
2020 default:
2021 return -EINVAL;
2022 }
2023 break;
2024 case AH_ESP_V4_FLOW:
2025 case AH_V4_FLOW:
2026 case ESP_V4_FLOW:
2027 case SCTP_V4_FLOW:
2028 if ((nfc->data & RXH_L4_B_0_1) ||
2029 (nfc->data & RXH_L4_B_2_3))
2030 return -EINVAL;
2031 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
2032 break;
2033 case AH_ESP_V6_FLOW:
2034 case AH_V6_FLOW:
2035 case ESP_V6_FLOW:
2036 case SCTP_V6_FLOW:
2037 if ((nfc->data & RXH_L4_B_0_1) ||
2038 (nfc->data & RXH_L4_B_2_3))
2039 return -EINVAL;
2040 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
2041 break;
2042 case IPV4_FLOW:
2043 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2044 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4);
2045 break;
2046 case IPV6_FLOW:
2047 hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2048 ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6);
2049 break;
2050 default:
2051 return -EINVAL;
2052 }
2053
2054 wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
2055 wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2056 i40e_flush(hw);
2057
Carolyn Wyborny88eee9b2015-02-06 08:52:09 +0000[diff] [blame]2058 /* Save setting for future output/update */
2059 pf->vsi[pf->lan_vsi]->rxnfc = *nfc;
2060
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2061 return 0;
2062}
2063
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2064/**
Anjali Singhai Jain43fddb72014-02-11 08:24:09 +0000[diff] [blame]2065 * i40e_match_fdir_input_set - Match a new filter against an existing one
2066 * @rule: The filter already added
2067 * @input: The new filter to comapre against
2068 *
2069 * Returns true if the two input set match
2070 **/
2071static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
2072 struct i40e_fdir_filter *input)
2073{
2074 if ((rule->dst_ip[0] != input->dst_ip[0]) ||
2075 (rule->src_ip[0] != input->src_ip[0]) ||
2076 (rule->dst_port != input->dst_port) ||
2077 (rule->src_port != input->src_port))
2078 return false;
2079 return true;
2080}
2081
2082/**
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2083 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2084 * @vsi: Pointer to the targeted VSI
2085 * @input: The filter to update or NULL to indicate deletion
2086 * @sw_idx: Software index to the filter
2087 * @cmd: The command to get or set Rx flow classification rules
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2088 *
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2089 * This function updates (or deletes) a Flow Director entry from
2090 * the hlist of the corresponding PF
2091 *
2092 * Returns 0 on success
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2093 **/
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2094static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2095 struct i40e_fdir_filter *input,
2096 u16 sw_idx,
2097 struct ethtool_rxnfc *cmd)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2098{
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2099 struct i40e_fdir_filter *rule, *parent;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2100 struct i40e_pf *pf = vsi->back;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2101 struct hlist_node *node2;
2102 int err = -EINVAL;
Jesse Brandeburgc35a1d72013-12-18 13:46:02 +0000[diff] [blame]2103
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2104 parent = NULL;
2105 rule = NULL;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2106
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2107 hlist_for_each_entry_safe(rule, node2,
2108 &pf->fdir_filter_list, fdir_node) {
2109 /* hash found, or no matching entry */
2110 if (rule->fd_id >= sw_idx)
2111 break;
2112 parent = rule;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2113 }
2114
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2115 /* if there is an old rule occupying our place remove it */
2116 if (rule && (rule->fd_id == sw_idx)) {
Anjali Singhai Jain43fddb72014-02-11 08:24:09 +0000[diff] [blame]2117 if (input && !i40e_match_fdir_input_set(rule, input))
2118 err = i40e_add_del_fdir(vsi, rule, false);
2119 else if (!input)
2120 err = i40e_add_del_fdir(vsi, rule, false);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2121 hlist_del(&rule->fdir_node);
2122 kfree(rule);
2123 pf->fdir_pf_active_filters--;
2124 }
2125
2126 /* If no input this was a delete, err should be 0 if a rule was
2127 * successfully found and removed from the list else -EINVAL
2128 */
2129 if (!input)
2130 return err;
2131
2132 /* initialize node and set software index */
2133 INIT_HLIST_NODE(&input->fdir_node);
2134
2135 /* add filter to the list */
2136 if (parent)
Ken Helias1d023282014-08-06 16:09:16 -0700[diff] [blame]2137 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2138 else
2139 hlist_add_head(&input->fdir_node,
2140 &pf->fdir_filter_list);
2141
2142 /* update counts */
2143 pf->fdir_pf_active_filters++;
2144
2145 return 0;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2146}
2147
2148/**
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2149 * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2150 * @vsi: Pointer to the targeted VSI
2151 * @cmd: The command to get or set Rx flow classification rules
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2152 *
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2153 * The function removes a Flow Director filter entry from the
2154 * hlist of the corresponding PF
2155 *
2156 * Returns 0 on success
2157 */
2158static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2159 struct ethtool_rxnfc *cmd)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2160{
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2161 struct ethtool_rx_flow_spec *fsp =
2162 (struct ethtool_rx_flow_spec *)&cmd->fs;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2163 struct i40e_pf *pf = vsi->back;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2164 int ret = 0;
Jesse Brandeburgc35a1d72013-12-18 13:46:02 +0000[diff] [blame]2165
Anjali Singhai Jain60793f4a2014-07-09 07:46:23 +0000[diff] [blame]2166 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2167 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2168 return -EBUSY;
2169
Anjali Singhai Jain1e1be8f2014-07-10 08:03:26 +0000[diff] [blame]2170 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2171 return -EBUSY;
2172
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2173 ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2174
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000[diff] [blame]2175 i40e_fdir_check_and_reenable(pf);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2176 return ret;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2177}
2178
2179/**
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]2180 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2181 * @vsi: pointer to the targeted VSI
2182 * @cmd: command to get or set RX flow classification rules
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2183 *
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]2184 * Add Flow Director filters for a specific flow spec based on their
2185 * protocol. Returns 0 if the filters were successfully added.
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2186 **/
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]2187static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2188 struct ethtool_rxnfc *cmd)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2189{
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2190 struct ethtool_rx_flow_spec *fsp;
2191 struct i40e_fdir_filter *input;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2192 struct i40e_pf *pf;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2193 int ret = -EINVAL;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2194
2195 if (!vsi)
2196 return -EINVAL;
2197
2198 pf = vsi->back;
2199
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000[diff] [blame]2200 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2201 return -EOPNOTSUPP;
2202
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]2203 if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000[diff] [blame]2204 return -ENOSPC;
2205
Anjali Singhai Jain60793f4a2014-07-09 07:46:23 +0000[diff] [blame]2206 if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2207 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2208 return -EBUSY;
2209
Anjali Singhai Jain1e1be8f2014-07-10 08:03:26 +0000[diff] [blame]2210 if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2211 return -EBUSY;
2212
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000[diff] [blame]2213 fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2214
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2215 if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2216 pf->hw.func_caps.fd_filters_guaranteed)) {
2217 return -EINVAL;
2218 }
2219
Anjali Singhai Jain387ce1a2014-05-22 06:32:23 +0000[diff] [blame]2220 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2221 (fsp->ring_cookie >= vsi->num_queue_pairs))
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2222 return -EINVAL;
2223
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2224 input = kzalloc(sizeof(*input), GFP_KERNEL);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2225
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2226 if (!input)
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2227 return -ENOMEM;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2228
2229 input->fd_id = fsp->location;
2230
Anjali Singhai Jain35a91fd2014-03-06 09:00:00 +0000[diff] [blame]2231 if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2232 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2233 else
2234 input->dest_ctl =
2235 I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2236
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2237 input->q_index = fsp->ring_cookie;
2238 input->flex_off = 0;
2239 input->pctype = 0;
2240 input->dest_vsi = vsi->id;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2241 input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
Anjali Singhai Jain433c47d2014-05-22 06:32:17 +0000[diff] [blame]2242 input->cnt_index = pf->fd_sb_cnt_idx;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2243 input->flow_type = fsp->flow_type;
2244 input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
Anjali Singhai Jain04b73bd2014-05-22 06:31:41 +0000[diff] [blame]2245
2246 /* Reverse the src and dest notion, since the HW expects them to be from
2247 * Tx perspective where as the input from user is from Rx filter view.
2248 */
2249 input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2250 input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2251 input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2252 input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2253
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]2254 ret = i40e_add_del_fdir(vsi, input, true);
2255 if (ret)
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2256 kfree(input);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2257 else
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]2258 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2259
2260 return ret;
2261}
Jesse Brandeburg8fb905b2014-01-17 15:36:33 -0800[diff] [blame]2262
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2263/**
2264 * i40e_set_rxnfc - command to set RX flow classification rules
2265 * @netdev: network interface device structure
2266 * @cmd: ethtool rxnfc command
2267 *
2268 * Returns Success if the command is supported.
2269 **/
2270static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2271{
2272 struct i40e_netdev_priv *np = netdev_priv(netdev);
2273 struct i40e_vsi *vsi = np->vsi;
2274 struct i40e_pf *pf = vsi->back;
2275 int ret = -EOPNOTSUPP;
2276
2277 switch (cmd->cmd) {
2278 case ETHTOOL_SRXFH:
2279 ret = i40e_set_rss_hash_opt(pf, cmd);
2280 break;
2281 case ETHTOOL_SRXCLSRLINS:
Anjali Singhai Jain1eaa3842014-03-06 08:59:59 +0000[diff] [blame]2282 ret = i40e_add_fdir_ethtool(vsi, cmd);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2283 break;
2284 case ETHTOOL_SRXCLSRLDEL:
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000[diff] [blame]2285 ret = i40e_del_fdir_entry(vsi, cmd);
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2286 break;
2287 default:
2288 break;
2289 }
2290
2291 return ret;
2292}
2293
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]2294/**
2295 * i40e_max_channels - get Max number of combined channels supported
2296 * @vsi: vsi pointer
2297 **/
2298static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
2299{
2300 /* TODO: This code assumes DCB and FD is disabled for now. */
2301 return vsi->alloc_queue_pairs;
2302}
2303
2304/**
2305 * i40e_get_channels - Get the current channels enabled and max supported etc.
2306 * @netdev: network interface device structure
2307 * @ch: ethtool channels structure
2308 *
2309 * We don't support separate tx and rx queues as channels. The other count
2310 * represents how many queues are being used for control. max_combined counts
2311 * how many queue pairs we can support. They may not be mapped 1 to 1 with
2312 * q_vectors since we support a lot more queue pairs than q_vectors.
2313 **/
2314static void i40e_get_channels(struct net_device *dev,
2315 struct ethtool_channels *ch)
2316{
2317 struct i40e_netdev_priv *np = netdev_priv(dev);
2318 struct i40e_vsi *vsi = np->vsi;
2319 struct i40e_pf *pf = vsi->back;
2320
2321 /* report maximum channels */
2322 ch->max_combined = i40e_max_channels(vsi);
2323
2324 /* report info for other vector */
Jesse Brandeburg60ea5f82014-01-17 15:36:34 -0800[diff] [blame]2325 ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]2326 ch->max_other = ch->other_count;
2327
2328 /* Note: This code assumes DCB is disabled for now. */
2329 ch->combined_count = vsi->num_queue_pairs;
2330}
2331
2332/**
2333 * i40e_set_channels - Set the new channels count.
2334 * @netdev: network interface device structure
2335 * @ch: ethtool channels structure
2336 *
2337 * The new channels count may not be the same as requested by the user
2338 * since it gets rounded down to a power of 2 value.
2339 **/
2340static int i40e_set_channels(struct net_device *dev,
2341 struct ethtool_channels *ch)
2342{
2343 struct i40e_netdev_priv *np = netdev_priv(dev);
2344 unsigned int count = ch->combined_count;
2345 struct i40e_vsi *vsi = np->vsi;
2346 struct i40e_pf *pf = vsi->back;
2347 int new_count;
2348
2349 /* We do not support setting channels for any other VSI at present */
2350 if (vsi->type != I40E_VSI_MAIN)
2351 return -EINVAL;
2352
2353 /* verify they are not requesting separate vectors */
2354 if (!count || ch->rx_count || ch->tx_count)
2355 return -EINVAL;
2356
2357 /* verify other_count has not changed */
Jesse Brandeburg60ea5f82014-01-17 15:36:34 -0800[diff] [blame]2358 if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]2359 return -EINVAL;
2360
2361 /* verify the number of channels does not exceed hardware limits */
2362 if (count > i40e_max_channels(vsi))
2363 return -EINVAL;
2364
2365 /* update feature limits from largest to smallest supported values */
2366 /* TODO: Flow director limit, DCB etc */
2367
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]2368 /* use rss_reconfig to rebuild with new queue count and update traffic
2369 * class queue mapping
2370 */
2371 new_count = i40e_reconfig_rss_queues(pf, count);
Anjali Singhai Jain5f90f422013-12-21 05:44:43 +0000[diff] [blame]2372 if (new_count > 0)
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]2373 return 0;
2374 else
2375 return -EINVAL;
2376}
2377
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]2378/**
2379 * i40e_get_priv_flags - report device private flags
2380 * @dev: network interface device structure
2381 *
2382 * The get string set count and the string set should be matched for each
2383 * flag returned. Add new strings for each flag to the i40e_priv_flags_strings
2384 * array.
2385 *
2386 * Returns a u32 bitmap of flags.
2387 **/
Jesse Brandeburg5bbc3302015-02-26 16:15:20 +0000[diff] [blame]2388static u32 i40e_get_priv_flags(struct net_device *dev)
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]2389{
2390 struct i40e_netdev_priv *np = netdev_priv(dev);
2391 struct i40e_vsi *vsi = np->vsi;
2392 struct i40e_pf *pf = vsi->back;
2393 u32 ret_flags = 0;
2394
2395 ret_flags |= pf->hw.func_caps.npar_enable ?
2396 I40E_PRIV_FLAGS_NPAR_FLAG : 0;
2397
2398 return ret_flags;
2399}
2400
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2401static const struct ethtool_ops i40e_ethtool_ops = {
2402 .get_settings = i40e_get_settings,
Catherine Sullivanbf9c7142014-06-04 08:45:28 +0000[diff] [blame]2403 .set_settings = i40e_set_settings,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2404 .get_drvinfo = i40e_get_drvinfo,
2405 .get_regs_len = i40e_get_regs_len,
2406 .get_regs = i40e_get_regs,
2407 .nway_reset = i40e_nway_reset,
2408 .get_link = ethtool_op_get_link,
2409 .get_wol = i40e_get_wol,
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000[diff] [blame]2410 .set_wol = i40e_set_wol,
Shannon Nelsoncd552cb2014-07-09 07:46:09 +0000[diff] [blame]2411 .set_eeprom = i40e_set_eeprom,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2412 .get_eeprom_len = i40e_get_eeprom_len,
2413 .get_eeprom = i40e_get_eeprom,
2414 .get_ringparam = i40e_get_ringparam,
2415 .set_ringparam = i40e_set_ringparam,
2416 .get_pauseparam = i40e_get_pauseparam,
Catherine Sullivan2becc352014-06-04 08:45:27 +0000[diff] [blame]2417 .set_pauseparam = i40e_set_pauseparam,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2418 .get_msglevel = i40e_get_msglevel,
2419 .set_msglevel = i40e_set_msglevel,
2420 .get_rxnfc = i40e_get_rxnfc,
2421 .set_rxnfc = i40e_set_rxnfc,
2422 .self_test = i40e_diag_test,
2423 .get_strings = i40e_get_strings,
2424 .set_phys_id = i40e_set_phys_id,
2425 .get_sset_count = i40e_get_sset_count,
2426 .get_ethtool_stats = i40e_get_ethtool_stats,
2427 .get_coalesce = i40e_get_coalesce,
2428 .set_coalesce = i40e_set_coalesce,
Anjali Singhai Jain4b7820c2013-11-26 11:59:30 +0000[diff] [blame]2429 .get_channels = i40e_get_channels,
2430 .set_channels = i40e_set_channels,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2431 .get_ts_info = i40e_get_ts_info,
Greg Rose7e45ab42015-02-06 08:52:19 +0000[diff] [blame]2432 .get_priv_flags = i40e_get_priv_flags,
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2433};
2434
2435void i40e_set_ethtool_ops(struct net_device *netdev)
2436{
Wilfried Klaebe7ad24ea2014-05-11 00:12:32 +0000[diff] [blame]2437 netdev->ethtool_ops = &i40e_ethtool_ops;
Jesse Brandeburgc7d05ca2013-09-11 08:39:56 +0000[diff] [blame]2438}