blob: 0fbb32a8ad420373a74aecb9e29e08f4b608e45c [file] [log] [blame]
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +00001/*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
Greg Rosedc641b72013-12-18 13:45:51 +00004 * Copyright(c) 2013 - 2014 Intel Corporation.
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +00005 *
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 +000015 * 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 Brandeburg7daa6bf2013-09-11 08:40:01 +000017 *
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#ifndef _I40E_H_
28#define _I40E_H_
29
30#include <net/tcp.h>
Joseph Gasparakis8144f0f2013-12-28 05:27:57 +000031#include <net/udp.h>
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +000032#include <linux/types.h>
33#include <linux/errno.h>
34#include <linux/module.h>
35#include <linux/pci.h>
36#include <linux/aer.h>
37#include <linux/netdevice.h>
38#include <linux/ioport.h>
39#include <linux/slab.h>
40#include <linux/list.h>
41#include <linux/string.h>
42#include <linux/in.h>
43#include <linux/ip.h>
44#include <linux/tcp.h>
45#include <linux/sctp.h>
46#include <linux/pkt_sched.h>
47#include <linux/ipv6.h>
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +000048#include <net/checksum.h>
49#include <net/ip6_checksum.h>
50#include <linux/ethtool.h>
51#include <linux/if_vlan.h>
Jacob Kellerbeb0dff2014-01-11 05:43:19 +000052#include <linux/clocksource.h>
53#include <linux/net_tstamp.h>
54#include <linux/ptp_clock_kernel.h>
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +000055#include "i40e_type.h"
56#include "i40e_prototype.h"
57#include "i40e_virtchnl.h"
58#include "i40e_virtchnl_pf.h"
59#include "i40e_txrx.h"
Neerav Parikh4e3b35b2014-01-17 15:36:37 -080060#include "i40e_dcb.h"
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +000061
62/* Useful i40e defaults */
63#define I40E_BASE_PF_SEID 16
64#define I40E_BASE_VSI_SEID 512
65#define I40E_BASE_VEB_SEID 288
66#define I40E_MAX_VEB 16
67
68#define I40E_MAX_NUM_DESCRIPTORS 4096
Anjali Singhai Jaina45e88c2013-11-28 06:39:26 +000069#define I40E_MAX_REGISTER 0x800000
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +000070#define I40E_DEFAULT_NUM_DESCRIPTORS 512
71#define I40E_REQ_DESCRIPTOR_MULTIPLE 32
72#define I40E_MIN_NUM_DESCRIPTORS 64
73#define I40E_MIN_MSIX 2
74#define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */
Mitch Williams505682c2014-05-20 08:01:37 +000075#define I40E_MIN_VSI_ALLOC 51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +000076#define I40E_DEFAULT_QUEUES_PER_VMDQ 2 /* max 16 qps */
77#define I40E_DEFAULT_QUEUES_PER_VF 4
78#define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */
Neerav Parikh4e3b35b2014-01-17 15:36:37 -080079#define I40E_MAX_QUEUES_PER_TC 64 /* should be a power of 2 */
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +000080#define I40E_FDIR_RING 0
81#define I40E_FDIR_RING_COUNT 32
82#define I40E_MAX_AQ_BUF_SIZE 4096
83#define I40E_AQ_LEN 32
84#define I40E_AQ_WORK_LIMIT 16
85#define I40E_MAX_USER_PRIORITY 8
86#define I40E_DEFAULT_MSG_ENABLE 4
Neerav Parikh23527302014-06-03 23:50:15 +000087#define I40E_QUEUE_WAIT_RETRY_LIMIT 10
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +000088
89#define I40E_NVM_VERSION_LO_SHIFT 0
Anjali Singhai jainfe310702013-11-16 10:00:37 +000090#define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT)
Jesse Brandeburgff803012014-02-06 05:51:12 +000091#define I40E_NVM_VERSION_HI_SHIFT 12
92#define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT)
Anjali Singhai jainfe310702013-11-16 10:00:37 +000093
94/* The values in here are decimal coded as hex as is the case in the NVM map*/
95#define I40E_CURRENT_NVM_VERSION_HI 0x2
Jesse Brandeburgff803012014-02-06 05:51:12 +000096#define I40E_CURRENT_NVM_VERSION_LO 0x40
Anjali Singhai jainfe310702013-11-16 10:00:37 +000097
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +000098/* magic for getting defines into strings */
99#define STRINGIFY(foo) #foo
100#define XSTRINGIFY(bar) STRINGIFY(bar)
101
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000102#define I40E_RX_DESC(R, i) \
103 ((ring_is_16byte_desc_enabled(R)) \
104 ? (union i40e_32byte_rx_desc *) \
105 (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \
106 : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i])))
107#define I40E_TX_DESC(R, i) \
108 (&(((struct i40e_tx_desc *)((R)->desc))[i]))
109#define I40E_TX_CTXTDESC(R, i) \
110 (&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
111#define I40E_TX_FDIRDESC(R, i) \
112 (&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
113
114/* default to trying for four seconds */
115#define I40E_TRY_LINK_TIMEOUT (4 * HZ)
116
117/* driver state flags */
118enum i40e_state_t {
119 __I40E_TESTING,
120 __I40E_CONFIG_BUSY,
121 __I40E_CONFIG_DONE,
122 __I40E_DOWN,
123 __I40E_NEEDS_RESTART,
124 __I40E_SERVICE_SCHED,
125 __I40E_ADMINQ_EVENT_PENDING,
126 __I40E_MDD_EVENT_PENDING,
127 __I40E_VFLR_EVENT_PENDING,
128 __I40E_RESET_RECOVERY_PENDING,
129 __I40E_RESET_INTR_RECEIVED,
130 __I40E_REINIT_REQUESTED,
131 __I40E_PF_RESET_REQUESTED,
132 __I40E_CORE_RESET_REQUESTED,
133 __I40E_GLOBAL_RESET_REQUESTED,
Shannon Nelson7823fe32013-11-16 10:00:45 +0000134 __I40E_EMP_RESET_REQUESTED,
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000135 __I40E_FILTER_OVERFLOW_PROMISC,
Shannon Nelson9007bcc2013-11-26 10:49:23 +0000136 __I40E_SUSPENDED,
Shannon Nelson4eb3f762014-03-06 08:59:58 +0000137 __I40E_BAD_EEPROM,
Neerav Parikhb5d06f02014-06-03 23:50:17 +0000138 __I40E_DOWN_REQUESTED,
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000139};
140
141enum i40e_interrupt_policy {
142 I40E_INTERRUPT_BEST_CASE,
143 I40E_INTERRUPT_MEDIUM,
144 I40E_INTERRUPT_LOWEST
145};
146
147struct i40e_lump_tracking {
148 u16 num_entries;
149 u16 search_hint;
150 u16 list[0];
151#define I40E_PILE_VALID_BIT 0x8000
152};
153
154#define I40E_DEFAULT_ATR_SAMPLE_RATE 20
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000155#define I40E_FDIR_MAX_RAW_PACKET_SIZE 512
156#define I40E_FDIR_BUFFER_FULL_MARGIN 10
Anjali Singhai Jain12957382014-06-04 04:22:47 +0000157#define I40E_FDIR_BUFFER_HEAD_ROOM 32
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000158
Anjali Singhai Jain433c47d2014-05-22 06:32:17 +0000159enum i40e_fd_stat_idx {
160 I40E_FD_STAT_ATR,
161 I40E_FD_STAT_SB,
162 I40E_FD_STAT_PF_COUNT
163};
164#define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
165#define I40E_FD_ATR_STAT_IDX(pf_id) \
166 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
167#define I40E_FD_SB_STAT_IDX(pf_id) \
168 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
169
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000170struct i40e_fdir_filter {
171 struct hlist_node fdir_node;
172 /* filter ipnut set */
173 u8 flow_type;
174 u8 ip4_proto;
Anjali Singhai Jain04b73bd2014-05-22 06:31:41 +0000175 /* TX packet view of src and dst */
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000176 __be32 dst_ip[4];
177 __be32 src_ip[4];
178 __be16 src_port;
179 __be16 dst_port;
180 __be32 sctp_v_tag;
181 /* filter control */
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000182 u16 q_index;
183 u8 flex_off;
184 u8 pctype;
185 u16 dest_vsi;
186 u8 dest_ctl;
187 u8 fd_status;
188 u16 cnt_index;
189 u32 fd_id;
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000190};
191
Neerav Parikh4e3b35b2014-01-17 15:36:37 -0800192#define I40E_ETH_P_LLDP 0x88cc
193
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000194#define I40E_DCB_PRIO_TYPE_STRICT 0
195#define I40E_DCB_PRIO_TYPE_ETS 1
196#define I40E_DCB_STRICT_PRIO_CREDITS 127
197#define I40E_MAX_USER_PRIORITY 8
198/* DCB per TC information data structure */
199struct i40e_tc_info {
200 u16 qoffset; /* Queue offset from base queue */
201 u16 qcount; /* Total Queues */
202 u8 netdev_tc; /* Netdev TC index if netdev associated */
203};
204
205/* TC configuration data structure */
206struct i40e_tc_configuration {
207 u8 numtc; /* Total number of enabled TCs */
208 u8 enabled_tc; /* TC map */
209 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
210};
211
212/* struct that defines the Ethernet device */
213struct i40e_pf {
214 struct pci_dev *pdev;
215 struct i40e_hw hw;
216 unsigned long state;
217 unsigned long link_check_timeout;
218 struct msix_entry *msix_entries;
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000219 bool fc_autoneg_status;
220
221 u16 eeprom_version;
Elizabeth Kappler6c167f52014-02-15 07:41:38 +0000222 u16 num_vmdq_vsis; /* num vmdq vsis this pf has set up */
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000223 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */
224 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */
225 u16 num_req_vfs; /* num vfs requested for this vf */
226 u16 num_vf_qps; /* num queue pairs per vf */
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000227 u16 num_lan_qps; /* num lan queues this pf has set up */
228 u16 num_lan_msix; /* num queue vectors for the base pf vsi */
Anjali Singhai Jainf8ff1462013-11-26 10:49:19 +0000229 int queues_left; /* queues left unclaimed */
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000230 u16 rss_size; /* num queues in the RSS array */
231 u16 rss_size_max; /* HW defined max RSS queues */
232 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */
Mitch Williams505682c2014-05-20 08:01:37 +0000233 u16 num_alloc_vsi; /* num VSIs this driver supports */
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000234 u8 atr_sample_rate;
Shannon Nelson8e2773a2013-11-28 06:39:22 +0000235 bool wol_en;
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000236
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000237 struct hlist_head fdir_filter_list;
238 u16 fdir_pf_active_filters;
Anjali Singhai Jain433c47d2014-05-22 06:32:17 +0000239 u16 fd_sb_cnt_idx;
240 u16 fd_atr_cnt_idx;
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000241
Jeff Kirshera1c9a9d2013-12-28 07:32:18 +0000242#ifdef CONFIG_I40E_VXLAN
243 __be16 vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
244 u16 pending_vxlan_bitmap;
245
246#endif
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000247 enum i40e_interrupt_policy int_policy;
248 u16 rx_itr_default;
249 u16 tx_itr_default;
250 u16 msg_enable;
251 char misc_int_name[IFNAMSIZ + 9];
252 u16 adminq_work_limit; /* num of admin receive queue desc to process */
253 int service_timer_period;
254 struct timer_list service_timer;
255 struct work_struct service_task;
256
257 u64 flags;
258#define I40E_FLAG_RX_CSUM_ENABLED (u64)(1 << 1)
259#define I40E_FLAG_MSI_ENABLED (u64)(1 << 2)
260#define I40E_FLAG_MSIX_ENABLED (u64)(1 << 3)
261#define I40E_FLAG_RX_1BUF_ENABLED (u64)(1 << 4)
262#define I40E_FLAG_RX_PS_ENABLED (u64)(1 << 5)
263#define I40E_FLAG_RSS_ENABLED (u64)(1 << 6)
Neerav Parikh9f529872013-11-28 06:39:38 +0000264#define I40E_FLAG_VMDQ_ENABLED (u64)(1 << 7)
265#define I40E_FLAG_FDIR_REQUIRES_REINIT (u64)(1 << 8)
266#define I40E_FLAG_NEED_LINK_UPDATE (u64)(1 << 9)
267#define I40E_FLAG_IN_NETPOLL (u64)(1 << 12)
268#define I40E_FLAG_16BYTE_RX_DESC_ENABLED (u64)(1 << 13)
269#define I40E_FLAG_CLEAN_ADMINQ (u64)(1 << 14)
270#define I40E_FLAG_FILTER_SYNC (u64)(1 << 15)
271#define I40E_FLAG_PROCESS_MDD_EVENT (u64)(1 << 17)
272#define I40E_FLAG_PROCESS_VFLR_EVENT (u64)(1 << 18)
273#define I40E_FLAG_SRIOV_ENABLED (u64)(1 << 19)
274#define I40E_FLAG_DCB_ENABLED (u64)(1 << 20)
Jesse Brandeburg60ea5f82014-01-17 15:36:34 -0800275#define I40E_FLAG_FD_SB_ENABLED (u64)(1 << 21)
276#define I40E_FLAG_FD_ATR_ENABLED (u64)(1 << 22)
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000277#define I40E_FLAG_PTP (u64)(1 << 25)
Jeff Kirshera1c9a9d2013-12-28 07:32:18 +0000278#define I40E_FLAG_MFP_ENABLED (u64)(1 << 26)
279#ifdef CONFIG_I40E_VXLAN
280#define I40E_FLAG_VXLAN_FILTER_SYNC (u64)(1 << 27)
281#endif
Neerav Parikh4d9b6042014-05-22 06:31:51 +0000282#define I40E_FLAG_DCB_CAPABLE (u64)(1 << 29)
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000283
Anjali Singhai Jain61dade72014-02-11 08:26:28 +0000284 /* tracks features that get auto disabled by errors */
285 u64 auto_disable_flags;
286
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000287 bool stat_offsets_loaded;
288 struct i40e_hw_port_stats stats;
289 struct i40e_hw_port_stats stats_offsets;
290 u32 tx_timeout_count;
291 u32 tx_timeout_recovery_level;
292 unsigned long tx_timeout_last_recovery;
293 u32 hw_csum_rx_error;
294 u32 led_status;
295 u16 corer_count; /* Core reset count */
296 u16 globr_count; /* Global reset count */
297 u16 empr_count; /* EMP reset count */
298 u16 pfr_count; /* PF reset count */
Shannon Nelsoncd92e722013-11-16 10:00:44 +0000299 u16 sw_int_count; /* SW interrupt count */
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000300
301 struct mutex switch_mutex;
302 u16 lan_vsi; /* our default LAN VSI */
303 u16 lan_veb; /* initial relay, if exists */
304#define I40E_NO_VEB 0xffff
305#define I40E_NO_VSI 0xffff
306 u16 next_vsi; /* Next unallocated VSI - 0-based! */
307 struct i40e_vsi **vsi;
308 struct i40e_veb *veb[I40E_MAX_VEB];
309
310 struct i40e_lump_tracking *qp_pile;
311 struct i40e_lump_tracking *irq_pile;
312
313 /* switch config info */
314 u16 pf_seid;
315 u16 main_vsi_seid;
316 u16 mac_seid;
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000317 struct kobject *switch_kobj;
318#ifdef CONFIG_DEBUG_FS
319 struct dentry *i40e_dbg_pf;
320#endif /* CONFIG_DEBUG_FS */
321
Anjali Singhai Jain93cd7652013-11-20 10:03:01 +0000322 u16 instance; /* A unique number per i40e_pf instance in the system */
323
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000324 /* sr-iov config info */
325 struct i40e_vf *vf;
326 int num_alloc_vfs; /* actual number of VFs allocated */
327 u32 vf_aq_requests;
328
329 /* DCBx/DCBNL capability for PF that indicates
330 * whether DCBx is managed by firmware or host
331 * based agent (LLDPAD). Also, indicates what
332 * flavor of DCBx protocol (IEEE/CEE) is supported
333 * by the device. For now we're supporting IEEE
334 * mode only.
335 */
336 u16 dcbx_cap;
337
338 u32 fcoe_hmc_filt_num;
339 u32 fcoe_hmc_cntx_num;
340 struct i40e_filter_control_settings filter_settings;
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000341
342 struct ptp_clock *ptp_clock;
343 struct ptp_clock_info ptp_caps;
344 struct sk_buff *ptp_tx_skb;
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000345 struct hwtstamp_config tstamp_config;
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000346 unsigned long last_rx_ptp_check;
347 spinlock_t tmreg_lock; /* Used to protect the device time registers. */
348 u64 ptp_base_adj;
349 u32 tx_hwtstamp_timeouts;
350 u32 rx_hwtstamp_cleared;
351 bool ptp_tx;
352 bool ptp_rx;
Carolyn Wybornye157ea32014-06-03 23:50:22 +0000353 u16 rss_table_size;
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000354};
355
356struct i40e_mac_filter {
357 struct list_head list;
358 u8 macaddr[ETH_ALEN];
359#define I40E_VLAN_ANY -1
360 s16 vlan;
361 u8 counter; /* number of instances of this filter */
362 bool is_vf; /* filter belongs to a VF */
363 bool is_netdev; /* filter belongs to a netdev */
364 bool changed; /* filter needs to be sync'd to the HW */
Shannon Nelson6252c7e2014-06-04 01:23:23 +0000365 bool is_laa; /* filter is a Locally Administered Address */
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000366};
367
368struct i40e_veb {
369 struct i40e_pf *pf;
370 u16 idx;
371 u16 veb_idx; /* index of VEB parent */
372 u16 seid;
373 u16 uplink_seid;
374 u16 stats_idx; /* index of VEB parent */
375 u8 enabled_tc;
376 u16 flags;
377 u16 bw_limit;
378 u8 bw_max_quanta;
379 bool is_abs_credits;
380 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
381 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
382 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
383 struct kobject *kobj;
384 bool stat_offsets_loaded;
385 struct i40e_eth_stats stats;
386 struct i40e_eth_stats stats_offsets;
387};
388
389/* struct that defines a VSI, associated with a dev */
390struct i40e_vsi {
391 struct net_device *netdev;
392 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
393 bool netdev_registered;
394 bool stat_offsets_loaded;
395
396 u32 current_netdev_flags;
397 unsigned long state;
398#define I40E_VSI_FLAG_FILTER_CHANGED (1<<0)
399#define I40E_VSI_FLAG_VEB_OWNER (1<<1)
400 unsigned long flags;
401
402 struct list_head mac_filter_list;
403
404 /* VSI stats */
405 struct rtnl_link_stats64 net_stats;
406 struct rtnl_link_stats64 net_stats_offsets;
407 struct i40e_eth_stats eth_stats;
408 struct i40e_eth_stats eth_stats_offsets;
409 u32 tx_restart;
410 u32 tx_busy;
411 u32 rx_buf_failed;
412 u32 rx_page_failed;
413
Alexander Duyck9f65e15b2013-09-28 06:00:58 +0000414 /* These are containers of ring pointers, allocated at run-time */
415 struct i40e_ring **rx_rings;
416 struct i40e_ring **tx_rings;
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000417
418 u16 work_limit;
419 /* high bit set means dynamic, use accessor routines to read/write.
420 * hardware only supports 2us resolution for the ITR registers.
421 * these values always store the USER setting, and must be converted
422 * before programming to a register.
423 */
424 u16 rx_itr_setting;
425 u16 tx_itr_setting;
426
427 u16 max_frame;
428 u16 rx_hdr_len;
429 u16 rx_buf_len;
430 u8 dtype;
431
432 /* List of q_vectors allocated to this VSI */
Alexander Duyck493fb302013-09-28 07:01:44 +0000433 struct i40e_q_vector **q_vectors;
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000434 int num_q_vectors;
435 int base_vector;
Shannon Nelson63741842014-04-23 04:50:16 +0000436 bool irqs_ready;
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000437
438 u16 seid; /* HW index of this VSI (absolute index) */
439 u16 id; /* VSI number */
440 u16 uplink_seid;
441
442 u16 base_queue; /* vsi's first queue in hw array */
443 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
444 u16 num_queue_pairs; /* Used tx and rx pairs */
445 u16 num_desc;
446 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */
447 u16 vf_id; /* Virtual function ID for SRIOV VSIs */
448
449 struct i40e_tc_configuration tc_config;
450 struct i40e_aqc_vsi_properties_data info;
451
452 /* VSI BW limit (absolute across all TCs) */
453 u16 bw_limit; /* VSI BW Limit (0 = disabled) */
454 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */
455
456 /* Relative TC credits across VSIs */
457 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
458 /* TC BW limit credits within VSI */
459 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
460 /* TC BW limit max quanta within VSI */
461 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
462
463 struct i40e_pf *back; /* Backreference to associated PF */
464 u16 idx; /* index in pf->vsi[] */
465 u16 veb_idx; /* index of VEB parent */
466 struct kobject *kobj; /* sysfs object */
467
468 /* VSI specific handlers */
469 irqreturn_t (*irq_handler)(int irq, void *data);
470} ____cacheline_internodealigned_in_smp;
471
472struct i40e_netdev_priv {
473 struct i40e_vsi *vsi;
474};
475
476/* struct that defines an interrupt vector */
477struct i40e_q_vector {
478 struct i40e_vsi *vsi;
479
480 u16 v_idx; /* index in the vsi->q_vector array. */
481 u16 reg_idx; /* register index of the interrupt */
482
483 struct napi_struct napi;
484
485 struct i40e_ring_container rx;
486 struct i40e_ring_container tx;
487
488 u8 num_ringpairs; /* total number of ring pairs in vector */
489
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000490 cpumask_t affinity_mask;
Alexander Duyck493fb302013-09-28 07:01:44 +0000491 struct rcu_head rcu; /* to avoid race with update stats on free */
492 char name[IFNAMSIZ + 9];
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000493} ____cacheline_internodealigned_in_smp;
494
495/* lan device */
496struct i40e_device {
497 struct list_head list;
498 struct i40e_pf *pf;
499};
500
501/**
502 * i40e_fw_version_str - format the FW and NVM version strings
503 * @hw: ptr to the hardware info
504 **/
505static inline char *i40e_fw_version_str(struct i40e_hw *hw)
506{
507 static char buf[32];
508
509 snprintf(buf, sizeof(buf),
Anjali Singhai jainfe310702013-11-16 10:00:37 +0000510 "f%d.%d a%d.%d n%02x.%02x e%08x",
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000511 hw->aq.fw_maj_ver, hw->aq.fw_min_ver,
512 hw->aq.api_maj_ver, hw->aq.api_min_ver,
Jesse Brandeburgff803012014-02-06 05:51:12 +0000513 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
514 I40E_NVM_VERSION_HI_SHIFT,
515 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
516 I40E_NVM_VERSION_LO_SHIFT,
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000517 hw->nvm.eetrack);
518
519 return buf;
520}
521
522/**
523 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
524 * @netdev: the corresponding netdev
525 *
526 * Return the PF struct for the given netdev
527 **/
528static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
529{
530 struct i40e_netdev_priv *np = netdev_priv(netdev);
531 struct i40e_vsi *vsi = np->vsi;
532
533 return vsi->back;
534}
535
536static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
537 irqreturn_t (*irq_handler)(int, void *))
538{
539 vsi->irq_handler = irq_handler;
540}
541
542/**
543 * i40e_rx_is_programming_status - check for programming status descriptor
544 * @qw: the first quad word of the program status descriptor
545 *
546 * The value of in the descriptor length field indicate if this
547 * is a programming status descriptor for flow director or FCoE
548 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
549 * it is a packet descriptor.
550 **/
551static inline bool i40e_rx_is_programming_status(u64 qw)
552{
553 return I40E_RX_PROG_STATUS_DESC_LENGTH ==
554 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
555}
556
Anjali Singhai Jain082def12014-04-09 05:59:00 +0000557/**
558 * i40e_get_fd_cnt_all - get the total FD filter space available
559 * @pf: pointer to the pf struct
560 **/
561static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
562{
563 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
564}
565
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000566/* needed by i40e_ethtool.c */
567int i40e_up(struct i40e_vsi *vsi);
568void i40e_down(struct i40e_vsi *vsi);
569extern const char i40e_driver_name[];
570extern const char i40e_driver_version_str[];
Anjali Singhai Jain23326182013-11-26 10:49:22 +0000571void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000572void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
573void i40e_update_stats(struct i40e_vsi *vsi);
574void i40e_update_eth_stats(struct i40e_vsi *vsi);
575struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
576int i40e_fetch_switch_configuration(struct i40e_pf *pf,
577 bool printconfig);
578
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000579int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet,
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000580 struct i40e_pf *pf, bool add);
Joseph Gasparakis17a73f62014-02-12 01:45:30 +0000581int i40e_add_del_fdir(struct i40e_vsi *vsi,
582 struct i40e_fdir_filter *input, bool add);
Anjali Singhai Jain55a5e602014-02-12 06:33:25 +0000583void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
584int i40e_get_current_fd_count(struct i40e_pf *pf);
Anjali Singhai Jain12957382014-06-04 04:22:47 +0000585int i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
Anjali Singhai Jain7c3c2882014-02-14 02:14:38 +0000586bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000587void i40e_set_ethtool_ops(struct net_device *netdev);
588struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
589 u8 *macaddr, s16 vlan,
590 bool is_vf, bool is_netdev);
591void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan,
592 bool is_vf, bool is_netdev);
593int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
594struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
595 u16 uplink, u32 param1);
596int i40e_vsi_release(struct i40e_vsi *vsi);
597struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type,
598 struct i40e_vsi *start_vsi);
Mitch Williamsfc18eaa2013-11-28 06:39:27 +0000599int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
Anjali Singhai Jainf8ff1462013-11-26 10:49:19 +0000600int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000601struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
602 u16 downlink_seid, u8 enabled_tc);
603void i40e_veb_release(struct i40e_veb *veb);
604
Neerav Parikh4e3b35b2014-01-17 15:36:37 -0800605int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000606i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
607void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
608void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
609void i40e_pf_reset_stats(struct i40e_pf *pf);
610#ifdef CONFIG_DEBUG_FS
611void i40e_dbg_pf_init(struct i40e_pf *pf);
612void i40e_dbg_pf_exit(struct i40e_pf *pf);
613void i40e_dbg_init(void);
614void i40e_dbg_exit(void);
615#else
616static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
617static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
618static inline void i40e_dbg_init(void) {}
619static inline void i40e_dbg_exit(void) {}
620#endif /* CONFIG_DEBUG_FS*/
621void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector);
Carolyn Wyborny5c2cebd2014-06-04 01:23:18 +0000622void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector);
Mitch Williams2ef28cf2013-11-28 06:39:32 +0000623void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
Shannon Nelson116a57d2013-09-28 07:13:59 +0000624void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000625int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
Elizabeth Kappler6c167f52014-02-15 07:41:38 +0000626int i40e_vsi_open(struct i40e_vsi *vsi);
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000627void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
628int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
629int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
630struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr,
631 bool is_vf, bool is_netdev);
632bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
633struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr,
634 bool is_vf, bool is_netdev);
635void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
Neerav Parikh4e3b35b2014-01-17 15:36:37 -0800636#ifdef CONFIG_I40E_DCB
637void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
638 struct i40e_dcbx_config *new_cfg);
639void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
640void i40e_dcbnl_setup(struct i40e_vsi *vsi);
641bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
642 struct i40e_dcbx_config *old_cfg,
643 struct i40e_dcbx_config *new_cfg);
644#endif /* CONFIG_I40E_DCB */
Jacob Kellerbeb0dff2014-01-11 05:43:19 +0000645void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
646void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
647void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
648void i40e_ptp_set_increment(struct i40e_pf *pf);
649int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
650int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
651void i40e_ptp_init(struct i40e_pf *pf);
652void i40e_ptp_stop(struct i40e_pf *pf);
Jesse Brandeburg7daa6bf2013-09-11 08:40:01 +0000653#endif /* _I40E_H_ */