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7daa6bf3 JB |
1 | /******************************************************************************* |
2 | * | |
3 | * Intel Ethernet Controller XL710 Family Linux Driver | |
88eee9bc | 4 | * Copyright(c) 2013 - 2015 Intel Corporation. |
7daa6bf3 JB |
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 | * | |
dc641b73 GR |
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/>. | |
7daa6bf3 JB |
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 | #ifndef _I40E_H_ | |
28 | #define _I40E_H_ | |
29 | ||
30 | #include <net/tcp.h> | |
8144f0f7 | 31 | #include <net/udp.h> |
7daa6bf3 JB |
32 | #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> | |
2bc7ee8a | 39 | #include <linux/iommu.h> |
7daa6bf3 JB |
40 | #include <linux/slab.h> |
41 | #include <linux/list.h> | |
42 | #include <linux/string.h> | |
43 | #include <linux/in.h> | |
44 | #include <linux/ip.h> | |
45 | #include <linux/tcp.h> | |
46 | #include <linux/sctp.h> | |
47 | #include <linux/pkt_sched.h> | |
48 | #include <linux/ipv6.h> | |
7daa6bf3 JB |
49 | #include <net/checksum.h> |
50 | #include <net/ip6_checksum.h> | |
51 | #include <linux/ethtool.h> | |
52 | #include <linux/if_vlan.h> | |
51616018 | 53 | #include <linux/if_bridge.h> |
beb0dff1 JK |
54 | #include <linux/clocksource.h> |
55 | #include <linux/net_tstamp.h> | |
56 | #include <linux/ptp_clock_kernel.h> | |
7daa6bf3 JB |
57 | #include "i40e_type.h" |
58 | #include "i40e_prototype.h" | |
38e00438 VD |
59 | #ifdef I40E_FCOE |
60 | #include "i40e_fcoe.h" | |
61 | #endif | |
7daa6bf3 JB |
62 | #include "i40e_virtchnl.h" |
63 | #include "i40e_virtchnl_pf.h" | |
64 | #include "i40e_txrx.h" | |
4e3b35b0 | 65 | #include "i40e_dcb.h" |
7daa6bf3 JB |
66 | |
67 | /* Useful i40e defaults */ | |
68 | #define I40E_BASE_PF_SEID 16 | |
69 | #define I40E_BASE_VSI_SEID 512 | |
70 | #define I40E_BASE_VEB_SEID 288 | |
71 | #define I40E_MAX_VEB 16 | |
72 | ||
73 | #define I40E_MAX_NUM_DESCRIPTORS 4096 | |
a45e88c9 | 74 | #define I40E_MAX_REGISTER 0x800000 |
232f4706 | 75 | #define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024) |
7daa6bf3 JB |
76 | #define I40E_DEFAULT_NUM_DESCRIPTORS 512 |
77 | #define I40E_REQ_DESCRIPTOR_MULTIPLE 32 | |
78 | #define I40E_MIN_NUM_DESCRIPTORS 64 | |
79 | #define I40E_MIN_MSIX 2 | |
80 | #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */ | |
505682cd | 81 | #define I40E_MIN_VSI_ALLOC 51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */ |
e25d00b8 ASJ |
82 | /* max 16 qps */ |
83 | #define i40e_default_queues_per_vmdq(pf) \ | |
84 | (((pf)->flags & I40E_FLAG_RSS_AQ_CAPABLE) ? 4 : 1) | |
7daa6bf3 JB |
85 | #define I40E_DEFAULT_QUEUES_PER_VF 4 |
86 | #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */ | |
e25d00b8 ASJ |
87 | #define i40e_pf_get_max_q_per_tc(pf) \ |
88 | (((pf)->flags & I40E_FLAG_128_QP_RSS_CAPABLE) ? 128 : 64) | |
7daa6bf3 JB |
89 | #define I40E_FDIR_RING 0 |
90 | #define I40E_FDIR_RING_COUNT 32 | |
38e00438 VD |
91 | #ifdef I40E_FCOE |
92 | #define I40E_DEFAULT_FCOE 8 /* default number of QPs for FCoE */ | |
93 | #define I40E_MINIMUM_FCOE 1 /* minimum number of QPs for FCoE */ | |
94 | #endif /* I40E_FCOE */ | |
7daa6bf3 | 95 | #define I40E_MAX_AQ_BUF_SIZE 4096 |
07574897 MW |
96 | #define I40E_AQ_LEN 256 |
97 | #define I40E_AQ_WORK_LIMIT 32 | |
7daa6bf3 JB |
98 | #define I40E_MAX_USER_PRIORITY 8 |
99 | #define I40E_DEFAULT_MSG_ENABLE 4 | |
23527308 | 100 | #define I40E_QUEUE_WAIT_RETRY_LIMIT 10 |
b294ac70 | 101 | #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 9) |
7daa6bf3 | 102 | |
7e45ab44 | 103 | /* Ethtool Private Flags */ |
41a1d04b | 104 | #define I40E_PRIV_FLAGS_NPAR_FLAG BIT(0) |
7e45ab44 | 105 | |
7daa6bf3 | 106 | #define I40E_NVM_VERSION_LO_SHIFT 0 |
fe310704 | 107 | #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT) |
ff80301e JB |
108 | #define I40E_NVM_VERSION_HI_SHIFT 12 |
109 | #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT) | |
fe310704 AS |
110 | |
111 | /* The values in here are decimal coded as hex as is the case in the NVM map*/ | |
112 | #define I40E_CURRENT_NVM_VERSION_HI 0x2 | |
ff80301e | 113 | #define I40E_CURRENT_NVM_VERSION_LO 0x40 |
fe310704 | 114 | |
7daa6bf3 JB |
115 | /* magic for getting defines into strings */ |
116 | #define STRINGIFY(foo) #foo | |
117 | #define XSTRINGIFY(bar) STRINGIFY(bar) | |
118 | ||
7daa6bf3 JB |
119 | #define I40E_RX_DESC(R, i) \ |
120 | ((ring_is_16byte_desc_enabled(R)) \ | |
121 | ? (union i40e_32byte_rx_desc *) \ | |
122 | (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \ | |
123 | : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i]))) | |
124 | #define I40E_TX_DESC(R, i) \ | |
125 | (&(((struct i40e_tx_desc *)((R)->desc))[i])) | |
126 | #define I40E_TX_CTXTDESC(R, i) \ | |
127 | (&(((struct i40e_tx_context_desc *)((R)->desc))[i])) | |
128 | #define I40E_TX_FDIRDESC(R, i) \ | |
129 | (&(((struct i40e_filter_program_desc *)((R)->desc))[i])) | |
130 | ||
131 | /* default to trying for four seconds */ | |
132 | #define I40E_TRY_LINK_TIMEOUT (4 * HZ) | |
133 | ||
134 | /* driver state flags */ | |
135 | enum i40e_state_t { | |
136 | __I40E_TESTING, | |
137 | __I40E_CONFIG_BUSY, | |
138 | __I40E_CONFIG_DONE, | |
139 | __I40E_DOWN, | |
140 | __I40E_NEEDS_RESTART, | |
141 | __I40E_SERVICE_SCHED, | |
142 | __I40E_ADMINQ_EVENT_PENDING, | |
143 | __I40E_MDD_EVENT_PENDING, | |
144 | __I40E_VFLR_EVENT_PENDING, | |
145 | __I40E_RESET_RECOVERY_PENDING, | |
146 | __I40E_RESET_INTR_RECEIVED, | |
147 | __I40E_REINIT_REQUESTED, | |
148 | __I40E_PF_RESET_REQUESTED, | |
149 | __I40E_CORE_RESET_REQUESTED, | |
150 | __I40E_GLOBAL_RESET_REQUESTED, | |
7823fe34 | 151 | __I40E_EMP_RESET_REQUESTED, |
9df42d1a | 152 | __I40E_EMP_RESET_INTR_RECEIVED, |
7daa6bf3 | 153 | __I40E_FILTER_OVERFLOW_PROMISC, |
9007bccd | 154 | __I40E_SUSPENDED, |
9ce34f02 | 155 | __I40E_PTP_TX_IN_PROGRESS, |
4eb3f768 | 156 | __I40E_BAD_EEPROM, |
b5d06f05 | 157 | __I40E_DOWN_REQUESTED, |
1e1be8f6 | 158 | __I40E_FD_FLUSH_REQUESTED, |
a316f651 | 159 | __I40E_RESET_FAILED, |
69129dc3 | 160 | __I40E_PORT_TX_SUSPENDED, |
3ba9bcb4 | 161 | __I40E_VF_DISABLE, |
7daa6bf3 JB |
162 | }; |
163 | ||
164 | enum i40e_interrupt_policy { | |
165 | I40E_INTERRUPT_BEST_CASE, | |
166 | I40E_INTERRUPT_MEDIUM, | |
167 | I40E_INTERRUPT_LOWEST | |
168 | }; | |
169 | ||
170 | struct i40e_lump_tracking { | |
171 | u16 num_entries; | |
172 | u16 search_hint; | |
173 | u16 list[0]; | |
174 | #define I40E_PILE_VALID_BIT 0x8000 | |
175 | }; | |
176 | ||
177 | #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 | |
55a5e60b ASJ |
178 | #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 |
179 | #define I40E_FDIR_BUFFER_FULL_MARGIN 10 | |
12957388 | 180 | #define I40E_FDIR_BUFFER_HEAD_ROOM 32 |
04294e38 | 181 | #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4) |
55a5e60b | 182 | |
b29e13bb MW |
183 | #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4) |
184 | ||
433c47de ASJ |
185 | enum i40e_fd_stat_idx { |
186 | I40E_FD_STAT_ATR, | |
187 | I40E_FD_STAT_SB, | |
60ccd45c | 188 | I40E_FD_STAT_ATR_TUNNEL, |
433c47de ASJ |
189 | I40E_FD_STAT_PF_COUNT |
190 | }; | |
191 | #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT) | |
192 | #define I40E_FD_ATR_STAT_IDX(pf_id) \ | |
193 | (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR) | |
194 | #define I40E_FD_SB_STAT_IDX(pf_id) \ | |
195 | (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB) | |
60ccd45c ASJ |
196 | #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \ |
197 | (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL) | |
433c47de | 198 | |
17a73f6b JG |
199 | struct i40e_fdir_filter { |
200 | struct hlist_node fdir_node; | |
201 | /* filter ipnut set */ | |
202 | u8 flow_type; | |
203 | u8 ip4_proto; | |
04b73bd7 | 204 | /* TX packet view of src and dst */ |
17a73f6b JG |
205 | __be32 dst_ip[4]; |
206 | __be32 src_ip[4]; | |
207 | __be16 src_port; | |
208 | __be16 dst_port; | |
209 | __be32 sctp_v_tag; | |
210 | /* filter control */ | |
7daa6bf3 JB |
211 | u16 q_index; |
212 | u8 flex_off; | |
213 | u8 pctype; | |
214 | u16 dest_vsi; | |
215 | u8 dest_ctl; | |
216 | u8 fd_status; | |
217 | u16 cnt_index; | |
218 | u32 fd_id; | |
7daa6bf3 JB |
219 | }; |
220 | ||
4e3b35b0 NP |
221 | #define I40E_ETH_P_LLDP 0x88cc |
222 | ||
7daa6bf3 JB |
223 | #define I40E_DCB_PRIO_TYPE_STRICT 0 |
224 | #define I40E_DCB_PRIO_TYPE_ETS 1 | |
225 | #define I40E_DCB_STRICT_PRIO_CREDITS 127 | |
226 | #define I40E_MAX_USER_PRIORITY 8 | |
227 | /* DCB per TC information data structure */ | |
228 | struct i40e_tc_info { | |
229 | u16 qoffset; /* Queue offset from base queue */ | |
230 | u16 qcount; /* Total Queues */ | |
231 | u8 netdev_tc; /* Netdev TC index if netdev associated */ | |
232 | }; | |
233 | ||
234 | /* TC configuration data structure */ | |
235 | struct i40e_tc_configuration { | |
236 | u8 numtc; /* Total number of enabled TCs */ | |
237 | u8 enabled_tc; /* TC map */ | |
238 | struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS]; | |
239 | }; | |
240 | ||
241 | /* struct that defines the Ethernet device */ | |
242 | struct i40e_pf { | |
243 | struct pci_dev *pdev; | |
244 | struct i40e_hw hw; | |
245 | unsigned long state; | |
246 | unsigned long link_check_timeout; | |
247 | struct msix_entry *msix_entries; | |
7daa6bf3 JB |
248 | bool fc_autoneg_status; |
249 | ||
250 | u16 eeprom_version; | |
b40c82e6 | 251 | u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */ |
7daa6bf3 JB |
252 | u16 num_vmdq_qps; /* num queue pairs per vmdq pool */ |
253 | u16 num_vmdq_msix; /* num queue vectors per vmdq pool */ | |
b40c82e6 JK |
254 | u16 num_req_vfs; /* num VFs requested for this VF */ |
255 | u16 num_vf_qps; /* num queue pairs per VF */ | |
38e00438 | 256 | #ifdef I40E_FCOE |
b40c82e6 | 257 | u16 num_fcoe_qps; /* num fcoe queues this PF has set up */ |
38e00438 VD |
258 | u16 num_fcoe_msix; /* num queue vectors per fcoe pool */ |
259 | #endif /* I40E_FCOE */ | |
b40c82e6 JK |
260 | u16 num_lan_qps; /* num lan queues this PF has set up */ |
261 | u16 num_lan_msix; /* num queue vectors for the base PF vsi */ | |
f8ff1464 | 262 | int queues_left; /* queues left unclaimed */ |
7daa6bf3 JB |
263 | u16 rss_size; /* num queues in the RSS array */ |
264 | u16 rss_size_max; /* HW defined max RSS queues */ | |
265 | u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ | |
505682cd | 266 | u16 num_alloc_vsi; /* num VSIs this driver supports */ |
7daa6bf3 | 267 | u8 atr_sample_rate; |
8e2773ae | 268 | bool wol_en; |
7daa6bf3 | 269 | |
17a73f6b JG |
270 | struct hlist_head fdir_filter_list; |
271 | u16 fdir_pf_active_filters; | |
1e1be8f6 | 272 | unsigned long fd_flush_timestamp; |
60793f4a | 273 | u32 fd_flush_cnt; |
1e1be8f6 ASJ |
274 | u32 fd_add_err; |
275 | u32 fd_atr_cnt; | |
276 | u32 fd_tcp_rule; | |
17a73f6b | 277 | |
a1c9a9d9 JK |
278 | #ifdef CONFIG_I40E_VXLAN |
279 | __be16 vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; | |
280 | u16 pending_vxlan_bitmap; | |
281 | ||
282 | #endif | |
7daa6bf3 JB |
283 | enum i40e_interrupt_policy int_policy; |
284 | u16 rx_itr_default; | |
285 | u16 tx_itr_default; | |
71e6163a | 286 | u32 msg_enable; |
b294ac70 | 287 | char int_name[I40E_INT_NAME_STR_LEN]; |
7daa6bf3 | 288 | u16 adminq_work_limit; /* num of admin receive queue desc to process */ |
21536717 SN |
289 | unsigned long service_timer_period; |
290 | unsigned long service_timer_previous; | |
7daa6bf3 JB |
291 | struct timer_list service_timer; |
292 | struct work_struct service_task; | |
293 | ||
294 | u64 flags; | |
41a1d04b JB |
295 | #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1) |
296 | #define I40E_FLAG_MSI_ENABLED BIT_ULL(2) | |
297 | #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3) | |
298 | #define I40E_FLAG_RX_1BUF_ENABLED BIT_ULL(4) | |
299 | #define I40E_FLAG_RX_PS_ENABLED BIT_ULL(5) | |
300 | #define I40E_FLAG_RSS_ENABLED BIT_ULL(6) | |
301 | #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7) | |
302 | #define I40E_FLAG_FDIR_REQUIRES_REINIT BIT_ULL(8) | |
303 | #define I40E_FLAG_NEED_LINK_UPDATE BIT_ULL(9) | |
d502ce01 | 304 | #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10) |
38e00438 | 305 | #ifdef I40E_FCOE |
41a1d04b | 306 | #define I40E_FLAG_FCOE_ENABLED BIT_ULL(11) |
38e00438 | 307 | #endif /* I40E_FCOE */ |
41a1d04b JB |
308 | #define I40E_FLAG_IN_NETPOLL BIT_ULL(12) |
309 | #define I40E_FLAG_16BYTE_RX_DESC_ENABLED BIT_ULL(13) | |
310 | #define I40E_FLAG_CLEAN_ADMINQ BIT_ULL(14) | |
311 | #define I40E_FLAG_FILTER_SYNC BIT_ULL(15) | |
312 | #define I40E_FLAG_PROCESS_MDD_EVENT BIT_ULL(17) | |
313 | #define I40E_FLAG_PROCESS_VFLR_EVENT BIT_ULL(18) | |
314 | #define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19) | |
315 | #define I40E_FLAG_DCB_ENABLED BIT_ULL(20) | |
316 | #define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21) | |
317 | #define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22) | |
318 | #define I40E_FLAG_PTP BIT_ULL(25) | |
319 | #define I40E_FLAG_MFP_ENABLED BIT_ULL(26) | |
a1c9a9d9 | 320 | #ifdef CONFIG_I40E_VXLAN |
41a1d04b | 321 | #define I40E_FLAG_VXLAN_FILTER_SYNC BIT_ULL(27) |
a1c9a9d9 | 322 | #endif |
41a1d04b JB |
323 | #define I40E_FLAG_PORT_ID_VALID BIT_ULL(28) |
324 | #define I40E_FLAG_DCB_CAPABLE BIT_ULL(29) | |
d502ce01 ASJ |
325 | #define I40E_FLAG_RSS_AQ_CAPABLE BIT_ULL(31) |
326 | #define I40E_FLAG_HW_ATR_EVICT_CAPABLE BIT_ULL(32) | |
327 | #define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE BIT_ULL(33) | |
328 | #define I40E_FLAG_128_QP_RSS_CAPABLE BIT_ULL(34) | |
329 | #define I40E_FLAG_WB_ON_ITR_CAPABLE BIT_ULL(35) | |
330 | #define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(38) | |
fc60861e | 331 | #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40) |
7daa6bf3 | 332 | |
61dade7e ASJ |
333 | /* tracks features that get auto disabled by errors */ |
334 | u64 auto_disable_flags; | |
335 | ||
38e00438 VD |
336 | #ifdef I40E_FCOE |
337 | struct i40e_fcoe fcoe; | |
338 | ||
339 | #endif /* I40E_FCOE */ | |
7daa6bf3 JB |
340 | bool stat_offsets_loaded; |
341 | struct i40e_hw_port_stats stats; | |
342 | struct i40e_hw_port_stats stats_offsets; | |
343 | u32 tx_timeout_count; | |
344 | u32 tx_timeout_recovery_level; | |
345 | unsigned long tx_timeout_last_recovery; | |
810b3ae4 | 346 | u32 tx_sluggish_count; |
7daa6bf3 JB |
347 | u32 hw_csum_rx_error; |
348 | u32 led_status; | |
349 | u16 corer_count; /* Core reset count */ | |
350 | u16 globr_count; /* Global reset count */ | |
351 | u16 empr_count; /* EMP reset count */ | |
352 | u16 pfr_count; /* PF reset count */ | |
cd92e72f | 353 | u16 sw_int_count; /* SW interrupt count */ |
7daa6bf3 JB |
354 | |
355 | struct mutex switch_mutex; | |
356 | u16 lan_vsi; /* our default LAN VSI */ | |
357 | u16 lan_veb; /* initial relay, if exists */ | |
358 | #define I40E_NO_VEB 0xffff | |
359 | #define I40E_NO_VSI 0xffff | |
360 | u16 next_vsi; /* Next unallocated VSI - 0-based! */ | |
361 | struct i40e_vsi **vsi; | |
362 | struct i40e_veb *veb[I40E_MAX_VEB]; | |
363 | ||
364 | struct i40e_lump_tracking *qp_pile; | |
365 | struct i40e_lump_tracking *irq_pile; | |
366 | ||
367 | /* switch config info */ | |
368 | u16 pf_seid; | |
369 | u16 main_vsi_seid; | |
370 | u16 mac_seid; | |
7daa6bf3 JB |
371 | struct kobject *switch_kobj; |
372 | #ifdef CONFIG_DEBUG_FS | |
373 | struct dentry *i40e_dbg_pf; | |
374 | #endif /* CONFIG_DEBUG_FS */ | |
92faef85 | 375 | bool cur_promisc; |
7daa6bf3 | 376 | |
93cd765b ASJ |
377 | u16 instance; /* A unique number per i40e_pf instance in the system */ |
378 | ||
7daa6bf3 JB |
379 | /* sr-iov config info */ |
380 | struct i40e_vf *vf; | |
381 | int num_alloc_vfs; /* actual number of VFs allocated */ | |
382 | u32 vf_aq_requests; | |
383 | ||
384 | /* DCBx/DCBNL capability for PF that indicates | |
385 | * whether DCBx is managed by firmware or host | |
386 | * based agent (LLDPAD). Also, indicates what | |
387 | * flavor of DCBx protocol (IEEE/CEE) is supported | |
388 | * by the device. For now we're supporting IEEE | |
389 | * mode only. | |
390 | */ | |
391 | u16 dcbx_cap; | |
392 | ||
393 | u32 fcoe_hmc_filt_num; | |
394 | u32 fcoe_hmc_cntx_num; | |
395 | struct i40e_filter_control_settings filter_settings; | |
beb0dff1 JK |
396 | |
397 | struct ptp_clock *ptp_clock; | |
398 | struct ptp_clock_info ptp_caps; | |
399 | struct sk_buff *ptp_tx_skb; | |
beb0dff1 | 400 | struct hwtstamp_config tstamp_config; |
beb0dff1 JK |
401 | unsigned long last_rx_ptp_check; |
402 | spinlock_t tmreg_lock; /* Used to protect the device time registers. */ | |
403 | u64 ptp_base_adj; | |
404 | u32 tx_hwtstamp_timeouts; | |
405 | u32 rx_hwtstamp_cleared; | |
406 | bool ptp_tx; | |
407 | bool ptp_rx; | |
e157ea30 | 408 | u16 rss_table_size; |
f4492db1 GR |
409 | /* These are only valid in NPAR modes */ |
410 | u32 npar_max_bw; | |
411 | u32 npar_min_bw; | |
7daa6bf3 JB |
412 | }; |
413 | ||
414 | struct i40e_mac_filter { | |
415 | struct list_head list; | |
416 | u8 macaddr[ETH_ALEN]; | |
417 | #define I40E_VLAN_ANY -1 | |
418 | s16 vlan; | |
419 | u8 counter; /* number of instances of this filter */ | |
420 | bool is_vf; /* filter belongs to a VF */ | |
421 | bool is_netdev; /* filter belongs to a netdev */ | |
422 | bool changed; /* filter needs to be sync'd to the HW */ | |
6252c7e4 | 423 | bool is_laa; /* filter is a Locally Administered Address */ |
7daa6bf3 JB |
424 | }; |
425 | ||
426 | struct i40e_veb { | |
427 | struct i40e_pf *pf; | |
428 | u16 idx; | |
429 | u16 veb_idx; /* index of VEB parent */ | |
430 | u16 seid; | |
431 | u16 uplink_seid; | |
432 | u16 stats_idx; /* index of VEB parent */ | |
433 | u8 enabled_tc; | |
51616018 | 434 | u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */ |
7daa6bf3 JB |
435 | u16 flags; |
436 | u16 bw_limit; | |
437 | u8 bw_max_quanta; | |
438 | bool is_abs_credits; | |
439 | u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS]; | |
440 | u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS]; | |
441 | u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS]; | |
442 | struct kobject *kobj; | |
443 | bool stat_offsets_loaded; | |
444 | struct i40e_eth_stats stats; | |
445 | struct i40e_eth_stats stats_offsets; | |
fe860afb NP |
446 | struct i40e_veb_tc_stats tc_stats; |
447 | struct i40e_veb_tc_stats tc_stats_offsets; | |
7daa6bf3 JB |
448 | }; |
449 | ||
450 | /* struct that defines a VSI, associated with a dev */ | |
451 | struct i40e_vsi { | |
452 | struct net_device *netdev; | |
453 | unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; | |
454 | bool netdev_registered; | |
455 | bool stat_offsets_loaded; | |
456 | ||
457 | u32 current_netdev_flags; | |
458 | unsigned long state; | |
41a1d04b JB |
459 | #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0) |
460 | #define I40E_VSI_FLAG_VEB_OWNER BIT(1) | |
7daa6bf3 JB |
461 | unsigned long flags; |
462 | ||
463 | struct list_head mac_filter_list; | |
464 | ||
465 | /* VSI stats */ | |
466 | struct rtnl_link_stats64 net_stats; | |
467 | struct rtnl_link_stats64 net_stats_offsets; | |
468 | struct i40e_eth_stats eth_stats; | |
469 | struct i40e_eth_stats eth_stats_offsets; | |
38e00438 VD |
470 | #ifdef I40E_FCOE |
471 | struct i40e_fcoe_stats fcoe_stats; | |
472 | struct i40e_fcoe_stats fcoe_stats_offsets; | |
473 | bool fcoe_stat_offsets_loaded; | |
474 | #endif | |
7daa6bf3 JB |
475 | u32 tx_restart; |
476 | u32 tx_busy; | |
477 | u32 rx_buf_failed; | |
478 | u32 rx_page_failed; | |
479 | ||
9f65e15b AD |
480 | /* These are containers of ring pointers, allocated at run-time */ |
481 | struct i40e_ring **rx_rings; | |
482 | struct i40e_ring **tx_rings; | |
7daa6bf3 JB |
483 | |
484 | u16 work_limit; | |
485 | /* high bit set means dynamic, use accessor routines to read/write. | |
486 | * hardware only supports 2us resolution for the ITR registers. | |
487 | * these values always store the USER setting, and must be converted | |
488 | * before programming to a register. | |
489 | */ | |
490 | u16 rx_itr_setting; | |
491 | u16 tx_itr_setting; | |
492 | ||
5db4cb59 | 493 | u16 rss_table_size; |
66ddcffb | 494 | u16 rss_size; |
5db4cb59 | 495 | |
7daa6bf3 JB |
496 | u16 max_frame; |
497 | u16 rx_hdr_len; | |
498 | u16 rx_buf_len; | |
499 | u8 dtype; | |
500 | ||
501 | /* List of q_vectors allocated to this VSI */ | |
493fb300 | 502 | struct i40e_q_vector **q_vectors; |
7daa6bf3 JB |
503 | int num_q_vectors; |
504 | int base_vector; | |
63741846 | 505 | bool irqs_ready; |
7daa6bf3 JB |
506 | |
507 | u16 seid; /* HW index of this VSI (absolute index) */ | |
508 | u16 id; /* VSI number */ | |
509 | u16 uplink_seid; | |
510 | ||
511 | u16 base_queue; /* vsi's first queue in hw array */ | |
512 | u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */ | |
9a3bd2f1 | 513 | u16 req_queue_pairs; /* User requested queue pairs */ |
7daa6bf3 JB |
514 | u16 num_queue_pairs; /* Used tx and rx pairs */ |
515 | u16 num_desc; | |
516 | enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */ | |
517 | u16 vf_id; /* Virtual function ID for SRIOV VSIs */ | |
518 | ||
519 | struct i40e_tc_configuration tc_config; | |
520 | struct i40e_aqc_vsi_properties_data info; | |
521 | ||
522 | /* VSI BW limit (absolute across all TCs) */ | |
523 | u16 bw_limit; /* VSI BW Limit (0 = disabled) */ | |
524 | u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */ | |
525 | ||
526 | /* Relative TC credits across VSIs */ | |
527 | u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS]; | |
528 | /* TC BW limit credits within VSI */ | |
529 | u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS]; | |
530 | /* TC BW limit max quanta within VSI */ | |
531 | u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS]; | |
532 | ||
533 | struct i40e_pf *back; /* Backreference to associated PF */ | |
534 | u16 idx; /* index in pf->vsi[] */ | |
535 | u16 veb_idx; /* index of VEB parent */ | |
536 | struct kobject *kobj; /* sysfs object */ | |
537 | ||
538 | /* VSI specific handlers */ | |
539 | irqreturn_t (*irq_handler)(int irq, void *data); | |
88eee9bc CW |
540 | |
541 | /* current rxnfc data */ | |
542 | struct ethtool_rxnfc rxnfc; /* current rss hash opts */ | |
7daa6bf3 JB |
543 | } ____cacheline_internodealigned_in_smp; |
544 | ||
545 | struct i40e_netdev_priv { | |
546 | struct i40e_vsi *vsi; | |
547 | }; | |
548 | ||
549 | /* struct that defines an interrupt vector */ | |
550 | struct i40e_q_vector { | |
551 | struct i40e_vsi *vsi; | |
552 | ||
553 | u16 v_idx; /* index in the vsi->q_vector array. */ | |
554 | u16 reg_idx; /* register index of the interrupt */ | |
555 | ||
556 | struct napi_struct napi; | |
557 | ||
558 | struct i40e_ring_container rx; | |
559 | struct i40e_ring_container tx; | |
560 | ||
561 | u8 num_ringpairs; /* total number of ring pairs in vector */ | |
562 | ||
7daa6bf3 | 563 | cpumask_t affinity_mask; |
493fb300 | 564 | struct rcu_head rcu; /* to avoid race with update stats on free */ |
b294ac70 | 565 | char name[I40E_INT_NAME_STR_LEN]; |
8e0764b4 | 566 | bool arm_wb_state; |
7daa6bf3 JB |
567 | } ____cacheline_internodealigned_in_smp; |
568 | ||
569 | /* lan device */ | |
570 | struct i40e_device { | |
571 | struct list_head list; | |
572 | struct i40e_pf *pf; | |
573 | }; | |
574 | ||
575 | /** | |
576 | * i40e_fw_version_str - format the FW and NVM version strings | |
577 | * @hw: ptr to the hardware info | |
578 | **/ | |
579 | static inline char *i40e_fw_version_str(struct i40e_hw *hw) | |
580 | { | |
581 | static char buf[32]; | |
582 | ||
583 | snprintf(buf, sizeof(buf), | |
7edf810c SN |
584 | "f%d.%d.%05d a%d.%d n%x.%02x e%x", |
585 | hw->aq.fw_maj_ver, hw->aq.fw_min_ver, hw->aq.fw_build, | |
7daa6bf3 | 586 | hw->aq.api_maj_ver, hw->aq.api_min_ver, |
ff80301e JB |
587 | (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >> |
588 | I40E_NVM_VERSION_HI_SHIFT, | |
589 | (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >> | |
590 | I40E_NVM_VERSION_LO_SHIFT, | |
7edf810c | 591 | (hw->nvm.eetrack & 0xffffff)); |
7daa6bf3 JB |
592 | |
593 | return buf; | |
594 | } | |
595 | ||
596 | /** | |
597 | * i40e_netdev_to_pf: Retrieve the PF struct for given netdev | |
598 | * @netdev: the corresponding netdev | |
599 | * | |
600 | * Return the PF struct for the given netdev | |
601 | **/ | |
602 | static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev) | |
603 | { | |
604 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
605 | struct i40e_vsi *vsi = np->vsi; | |
606 | ||
607 | return vsi->back; | |
608 | } | |
609 | ||
610 | static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi, | |
611 | irqreturn_t (*irq_handler)(int, void *)) | |
612 | { | |
613 | vsi->irq_handler = irq_handler; | |
614 | } | |
615 | ||
616 | /** | |
617 | * i40e_rx_is_programming_status - check for programming status descriptor | |
618 | * @qw: the first quad word of the program status descriptor | |
619 | * | |
620 | * The value of in the descriptor length field indicate if this | |
621 | * is a programming status descriptor for flow director or FCoE | |
622 | * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise | |
623 | * it is a packet descriptor. | |
624 | **/ | |
625 | static inline bool i40e_rx_is_programming_status(u64 qw) | |
626 | { | |
627 | return I40E_RX_PROG_STATUS_DESC_LENGTH == | |
628 | (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT); | |
629 | } | |
630 | ||
082def10 ASJ |
631 | /** |
632 | * i40e_get_fd_cnt_all - get the total FD filter space available | |
b40c82e6 | 633 | * @pf: pointer to the PF struct |
082def10 ASJ |
634 | **/ |
635 | static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf) | |
636 | { | |
637 | return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count; | |
638 | } | |
639 | ||
7daa6bf3 JB |
640 | /* needed by i40e_ethtool.c */ |
641 | int i40e_up(struct i40e_vsi *vsi); | |
642 | void i40e_down(struct i40e_vsi *vsi); | |
643 | extern const char i40e_driver_name[]; | |
644 | extern const char i40e_driver_version_str[]; | |
23326186 | 645 | void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags); |
7daa6bf3 | 646 | void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags); |
fdf0e0bf | 647 | struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id); |
7daa6bf3 JB |
648 | void i40e_update_stats(struct i40e_vsi *vsi); |
649 | void i40e_update_eth_stats(struct i40e_vsi *vsi); | |
650 | struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi); | |
651 | int i40e_fetch_switch_configuration(struct i40e_pf *pf, | |
652 | bool printconfig); | |
653 | ||
17a73f6b | 654 | int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, |
7daa6bf3 | 655 | struct i40e_pf *pf, bool add); |
17a73f6b JG |
656 | int i40e_add_del_fdir(struct i40e_vsi *vsi, |
657 | struct i40e_fdir_filter *input, bool add); | |
55a5e60b | 658 | void i40e_fdir_check_and_reenable(struct i40e_pf *pf); |
04294e38 ASJ |
659 | u32 i40e_get_current_fd_count(struct i40e_pf *pf); |
660 | u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); | |
661 | u32 i40e_get_current_atr_cnt(struct i40e_pf *pf); | |
662 | u32 i40e_get_global_fd_count(struct i40e_pf *pf); | |
7c3c288b | 663 | bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features); |
7daa6bf3 JB |
664 | void i40e_set_ethtool_ops(struct net_device *netdev); |
665 | struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, | |
666 | u8 *macaddr, s16 vlan, | |
667 | bool is_vf, bool is_netdev); | |
668 | void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan, | |
669 | bool is_vf, bool is_netdev); | |
670 | int i40e_sync_vsi_filters(struct i40e_vsi *vsi); | |
671 | struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, | |
672 | u16 uplink, u32 param1); | |
673 | int i40e_vsi_release(struct i40e_vsi *vsi); | |
674 | struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type, | |
675 | struct i40e_vsi *start_vsi); | |
38e00438 VD |
676 | #ifdef I40E_FCOE |
677 | void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, | |
678 | struct i40e_vsi_context *ctxt, | |
679 | u8 enabled_tc, bool is_add); | |
680 | #endif | |
fc18eaa0 | 681 | int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable); |
f8ff1464 | 682 | int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count); |
7daa6bf3 JB |
683 | struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid, |
684 | u16 downlink_seid, u8 enabled_tc); | |
685 | void i40e_veb_release(struct i40e_veb *veb); | |
686 | ||
4e3b35b0 | 687 | int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc); |
7daa6bf3 JB |
688 | i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid); |
689 | void i40e_vsi_remove_pvid(struct i40e_vsi *vsi); | |
690 | void i40e_vsi_reset_stats(struct i40e_vsi *vsi); | |
691 | void i40e_pf_reset_stats(struct i40e_pf *pf); | |
692 | #ifdef CONFIG_DEBUG_FS | |
693 | void i40e_dbg_pf_init(struct i40e_pf *pf); | |
694 | void i40e_dbg_pf_exit(struct i40e_pf *pf); | |
695 | void i40e_dbg_init(void); | |
696 | void i40e_dbg_exit(void); | |
697 | #else | |
698 | static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {} | |
699 | static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {} | |
700 | static inline void i40e_dbg_init(void) {} | |
701 | static inline void i40e_dbg_exit(void) {} | |
702 | #endif /* CONFIG_DEBUG_FS*/ | |
703 | void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector); | |
5c2cebda | 704 | void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector); |
2ef28cfb | 705 | void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf); |
116a57d4 | 706 | void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf); |
38e00438 VD |
707 | #ifdef I40E_FCOE |
708 | struct rtnl_link_stats64 *i40e_get_netdev_stats_struct( | |
709 | struct net_device *netdev, | |
710 | struct rtnl_link_stats64 *storage); | |
711 | int i40e_set_mac(struct net_device *netdev, void *p); | |
712 | void i40e_set_rx_mode(struct net_device *netdev); | |
713 | #endif | |
7daa6bf3 | 714 | int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd); |
38e00438 VD |
715 | #ifdef I40E_FCOE |
716 | void i40e_tx_timeout(struct net_device *netdev); | |
717 | int i40e_vlan_rx_add_vid(struct net_device *netdev, | |
718 | __always_unused __be16 proto, u16 vid); | |
719 | int i40e_vlan_rx_kill_vid(struct net_device *netdev, | |
720 | __always_unused __be16 proto, u16 vid); | |
721 | #endif | |
96664483 | 722 | int i40e_open(struct net_device *netdev); |
6c167f58 | 723 | int i40e_vsi_open(struct i40e_vsi *vsi); |
7daa6bf3 JB |
724 | void i40e_vlan_stripping_disable(struct i40e_vsi *vsi); |
725 | int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid); | |
726 | int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid); | |
727 | struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, | |
728 | bool is_vf, bool is_netdev); | |
729 | bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi); | |
730 | struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr, | |
731 | bool is_vf, bool is_netdev); | |
38e00438 | 732 | #ifdef I40E_FCOE |
38e00438 VD |
733 | int i40e_close(struct net_device *netdev); |
734 | int i40e_setup_tc(struct net_device *netdev, u8 tc); | |
735 | void i40e_netpoll(struct net_device *netdev); | |
736 | int i40e_fcoe_enable(struct net_device *netdev); | |
737 | int i40e_fcoe_disable(struct net_device *netdev); | |
738 | int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt); | |
739 | u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf); | |
740 | void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi); | |
741 | void i40e_fcoe_vsi_setup(struct i40e_pf *pf); | |
742 | int i40e_init_pf_fcoe(struct i40e_pf *pf); | |
743 | int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi); | |
744 | void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi); | |
745 | int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring, | |
746 | union i40e_rx_desc *rx_desc, | |
747 | struct sk_buff *skb); | |
748 | void i40e_fcoe_handle_status(struct i40e_ring *rx_ring, | |
749 | union i40e_rx_desc *rx_desc, u8 prog_id); | |
750 | #endif /* I40E_FCOE */ | |
7daa6bf3 | 751 | void i40e_vlan_stripping_enable(struct i40e_vsi *vsi); |
4e3b35b0 NP |
752 | #ifdef CONFIG_I40E_DCB |
753 | void i40e_dcbnl_flush_apps(struct i40e_pf *pf, | |
750fcbcf | 754 | struct i40e_dcbx_config *old_cfg, |
4e3b35b0 NP |
755 | struct i40e_dcbx_config *new_cfg); |
756 | void i40e_dcbnl_set_all(struct i40e_vsi *vsi); | |
757 | void i40e_dcbnl_setup(struct i40e_vsi *vsi); | |
758 | bool i40e_dcb_need_reconfig(struct i40e_pf *pf, | |
759 | struct i40e_dcbx_config *old_cfg, | |
760 | struct i40e_dcbx_config *new_cfg); | |
761 | #endif /* CONFIG_I40E_DCB */ | |
beb0dff1 JK |
762 | void i40e_ptp_rx_hang(struct i40e_vsi *vsi); |
763 | void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf); | |
764 | void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index); | |
765 | void i40e_ptp_set_increment(struct i40e_pf *pf); | |
766 | int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr); | |
767 | int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr); | |
768 | void i40e_ptp_init(struct i40e_pf *pf); | |
769 | void i40e_ptp_stop(struct i40e_pf *pf); | |
51616018 | 770 | int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); |
f4492db1 GR |
771 | i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf); |
772 | i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf); | |
773 | i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf); | |
7daa6bf3 | 774 | #endif /* _I40E_H_ */ |