1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2016 Intel Corporation.
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.
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
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/>.
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
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
25 ******************************************************************************/
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>
39 #include <linux/iommu.h>
40 #include <linux/slab.h>
41 #include <linux/list.h>
42 #include <linux/string.h>
45 #include <linux/sctp.h>
46 #include <linux/pkt_sched.h>
47 #include <linux/ipv6.h>
48 #include <net/checksum.h>
49 #include <net/ip6_checksum.h>
50 #include <linux/ethtool.h>
51 #include <linux/if_vlan.h>
52 #include <linux/if_bridge.h>
53 #include <linux/clocksource.h>
54 #include <linux/net_tstamp.h>
55 #include <linux/ptp_clock_kernel.h>
56 #include "i40e_type.h"
57 #include "i40e_prototype.h"
59 #include "i40e_fcoe.h"
61 #include "i40e_client.h"
62 #include "i40e_virtchnl.h"
63 #include "i40e_virtchnl_pf.h"
64 #include "i40e_txrx.h"
67 /* Useful i40e defaults */
68 #define I40E_MAX_VEB 16
70 #define I40E_MAX_NUM_DESCRIPTORS 4096
71 #define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024)
72 #define I40E_DEFAULT_NUM_DESCRIPTORS 512
73 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32
74 #define I40E_MIN_NUM_DESCRIPTORS 64
75 #define I40E_MIN_MSIX 2
76 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */
77 #define I40E_MIN_VSI_ALLOC 83 /* LAN, ATR, FCOE, 64 VF */
79 #define i40e_default_queues_per_vmdq(pf) \
80 (((pf)->flags & I40E_FLAG_RSS_AQ_CAPABLE) ? 4 : 1)
81 #define I40E_DEFAULT_QUEUES_PER_VF 4
82 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */
83 #define i40e_pf_get_max_q_per_tc(pf) \
84 (((pf)->flags & I40E_FLAG_128_QP_RSS_CAPABLE) ? 128 : 64)
85 #define I40E_FDIR_RING 0
86 #define I40E_FDIR_RING_COUNT 32
88 #define I40E_DEFAULT_FCOE 8 /* default number of QPs for FCoE */
89 #define I40E_MINIMUM_FCOE 1 /* minimum number of QPs for FCoE */
90 #endif /* I40E_FCOE */
91 #define I40E_MAX_AQ_BUF_SIZE 4096
92 #define I40E_AQ_LEN 256
93 #define I40E_AQ_WORK_LIMIT 66 /* max number of VFs + a little */
94 #define I40E_MAX_USER_PRIORITY 8
95 #define I40E_DEFAULT_TRAFFIC_CLASS BIT(0)
96 #define I40E_DEFAULT_MSG_ENABLE 4
97 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10
98 #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 16)
100 /* Ethtool Private Flags */
101 #define I40E_PRIV_FLAGS_MFP_FLAG BIT(0)
102 #define I40E_PRIV_FLAGS_LINKPOLL_FLAG BIT(1)
103 #define I40E_PRIV_FLAGS_FD_ATR BIT(2)
104 #define I40E_PRIV_FLAGS_VEB_STATS BIT(3)
105 #define I40E_PRIV_FLAGS_HW_ATR_EVICT BIT(4)
106 #define I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT BIT(5)
108 #define I40E_NVM_VERSION_LO_SHIFT 0
109 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT)
110 #define I40E_NVM_VERSION_HI_SHIFT 12
111 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT)
112 #define I40E_OEM_VER_BUILD_MASK 0xffff
113 #define I40E_OEM_VER_PATCH_MASK 0xff
114 #define I40E_OEM_VER_BUILD_SHIFT 8
115 #define I40E_OEM_VER_SHIFT 24
116 #define I40E_PHY_DEBUG_ALL \
117 (I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \
118 I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW)
120 /* The values in here are decimal coded as hex as is the case in the NVM map*/
121 #define I40E_CURRENT_NVM_VERSION_HI 0x2
122 #define I40E_CURRENT_NVM_VERSION_LO 0x40
124 #define I40E_RX_DESC(R, i) \
125 (&(((union i40e_32byte_rx_desc *)((R)->desc))[i]))
126 #define I40E_TX_DESC(R, i) \
127 (&(((struct i40e_tx_desc *)((R)->desc))[i]))
128 #define I40E_TX_CTXTDESC(R, i) \
129 (&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
130 #define I40E_TX_FDIRDESC(R, i) \
131 (&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
133 /* default to trying for four seconds */
134 #define I40E_TRY_LINK_TIMEOUT (4 * HZ)
137 * i40e_is_mac_710 - Return true if MAC is X710/XL710
138 * @hw: ptr to the hardware info
140 static inline bool i40e_is_mac_710(struct i40e_hw
*hw
)
142 if ((hw
->mac
.type
== I40E_MAC_X710
) ||
143 (hw
->mac
.type
== I40E_MAC_XL710
))
149 /* driver state flags */
155 __I40E_NEEDS_RESTART
,
156 __I40E_SERVICE_SCHED
,
157 __I40E_ADMINQ_EVENT_PENDING
,
158 __I40E_MDD_EVENT_PENDING
,
159 __I40E_VFLR_EVENT_PENDING
,
160 __I40E_RESET_RECOVERY_PENDING
,
161 __I40E_RESET_INTR_RECEIVED
,
162 __I40E_REINIT_REQUESTED
,
163 __I40E_PF_RESET_REQUESTED
,
164 __I40E_CORE_RESET_REQUESTED
,
165 __I40E_GLOBAL_RESET_REQUESTED
,
166 __I40E_EMP_RESET_REQUESTED
,
167 __I40E_EMP_RESET_INTR_RECEIVED
,
168 __I40E_FILTER_OVERFLOW_PROMISC
,
170 __I40E_PTP_TX_IN_PROGRESS
,
172 __I40E_DOWN_REQUESTED
,
173 __I40E_FD_FLUSH_REQUESTED
,
175 __I40E_PORT_TX_SUSPENDED
,
179 enum i40e_interrupt_policy
{
180 I40E_INTERRUPT_BEST_CASE
,
181 I40E_INTERRUPT_MEDIUM
,
182 I40E_INTERRUPT_LOWEST
185 struct i40e_lump_tracking
{
189 #define I40E_PILE_VALID_BIT 0x8000
190 #define I40E_IWARP_IRQ_PILE_ID (I40E_PILE_VALID_BIT - 2)
193 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20
194 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512
195 #define I40E_FDIR_BUFFER_FULL_MARGIN 10
196 #define I40E_FDIR_BUFFER_HEAD_ROOM 32
197 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)
199 #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
200 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
201 #define I40E_VF_HLUT_ARRAY_SIZE ((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4)
203 enum i40e_fd_stat_idx
{
206 I40E_FD_STAT_ATR_TUNNEL
,
207 I40E_FD_STAT_PF_COUNT
209 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
210 #define I40E_FD_ATR_STAT_IDX(pf_id) \
211 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
212 #define I40E_FD_SB_STAT_IDX(pf_id) \
213 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
214 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
215 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)
217 struct i40e_fdir_filter
{
218 struct hlist_node fdir_node
;
219 /* filter ipnut set */
222 /* TX packet view of src and dst */
239 #define I40E_ETH_P_LLDP 0x88cc
241 #define I40E_DCB_PRIO_TYPE_STRICT 0
242 #define I40E_DCB_PRIO_TYPE_ETS 1
243 #define I40E_DCB_STRICT_PRIO_CREDITS 127
244 /* DCB per TC information data structure */
245 struct i40e_tc_info
{
246 u16 qoffset
; /* Queue offset from base queue */
247 u16 qcount
; /* Total Queues */
248 u8 netdev_tc
; /* Netdev TC index if netdev associated */
251 /* TC configuration data structure */
252 struct i40e_tc_configuration
{
253 u8 numtc
; /* Total number of enabled TCs */
254 u8 enabled_tc
; /* TC map */
255 struct i40e_tc_info tc_info
[I40E_MAX_TRAFFIC_CLASS
];
258 struct i40e_udp_port_config
{
263 /* struct that defines the Ethernet device */
265 struct pci_dev
*pdev
;
268 struct msix_entry
*msix_entries
;
269 bool fc_autoneg_status
;
272 u16 num_vmdq_vsis
; /* num vmdq vsis this PF has set up */
273 u16 num_vmdq_qps
; /* num queue pairs per vmdq pool */
274 u16 num_vmdq_msix
; /* num queue vectors per vmdq pool */
275 u16 num_req_vfs
; /* num VFs requested for this VF */
276 u16 num_vf_qps
; /* num queue pairs per VF */
278 u16 num_fcoe_qps
; /* num fcoe queues this PF has set up */
279 u16 num_fcoe_msix
; /* num queue vectors per fcoe pool */
280 #endif /* I40E_FCOE */
281 u16 num_lan_qps
; /* num lan queues this PF has set up */
282 u16 num_lan_msix
; /* num queue vectors for the base PF vsi */
283 u16 num_fdsb_msix
; /* num queue vectors for sideband Fdir */
284 u16 num_iwarp_msix
; /* num of iwarp vectors for this PF */
285 int iwarp_base_vector
;
286 int queues_left
; /* queues left unclaimed */
287 u16 alloc_rss_size
; /* allocated RSS queues */
288 u16 rss_size_max
; /* HW defined max RSS queues */
289 u16 fdir_pf_filter_count
; /* num of guaranteed filters for this PF */
290 u16 num_alloc_vsi
; /* num VSIs this driver supports */
294 struct hlist_head fdir_filter_list
;
295 u16 fdir_pf_active_filters
;
296 unsigned long fd_flush_timestamp
;
302 struct i40e_udp_port_config udp_ports
[I40E_MAX_PF_UDP_OFFLOAD_PORTS
];
303 u16 pending_udp_bitmap
;
305 enum i40e_interrupt_policy int_policy
;
309 char int_name
[I40E_INT_NAME_STR_LEN
];
310 u16 adminq_work_limit
; /* num of admin receive queue desc to process */
311 unsigned long service_timer_period
;
312 unsigned long service_timer_previous
;
313 struct timer_list service_timer
;
314 struct work_struct service_task
;
317 #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1)
318 #define I40E_FLAG_MSI_ENABLED BIT_ULL(2)
319 #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3)
320 #define I40E_FLAG_RSS_ENABLED BIT_ULL(6)
321 #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7)
322 #define I40E_FLAG_FDIR_REQUIRES_REINIT BIT_ULL(8)
323 #define I40E_FLAG_NEED_LINK_UPDATE BIT_ULL(9)
324 #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10)
326 #define I40E_FLAG_FCOE_ENABLED BIT_ULL(11)
327 #endif /* I40E_FCOE */
328 #define I40E_FLAG_CLEAN_ADMINQ BIT_ULL(14)
329 #define I40E_FLAG_FILTER_SYNC BIT_ULL(15)
330 #define I40E_FLAG_SERVICE_CLIENT_REQUESTED BIT_ULL(16)
331 #define I40E_FLAG_PROCESS_MDD_EVENT BIT_ULL(17)
332 #define I40E_FLAG_PROCESS_VFLR_EVENT BIT_ULL(18)
333 #define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19)
334 #define I40E_FLAG_DCB_ENABLED BIT_ULL(20)
335 #define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21)
336 #define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22)
337 #define I40E_FLAG_PTP BIT_ULL(25)
338 #define I40E_FLAG_MFP_ENABLED BIT_ULL(26)
339 #define I40E_FLAG_UDP_FILTER_SYNC BIT_ULL(27)
340 #define I40E_FLAG_PORT_ID_VALID BIT_ULL(28)
341 #define I40E_FLAG_DCB_CAPABLE BIT_ULL(29)
342 #define I40E_FLAG_RSS_AQ_CAPABLE BIT_ULL(31)
343 #define I40E_FLAG_HW_ATR_EVICT_CAPABLE BIT_ULL(32)
344 #define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE BIT_ULL(33)
345 #define I40E_FLAG_128_QP_RSS_CAPABLE BIT_ULL(34)
346 #define I40E_FLAG_WB_ON_ITR_CAPABLE BIT_ULL(35)
347 #define I40E_FLAG_VEB_STATS_ENABLED BIT_ULL(37)
348 #define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(38)
349 #define I40E_FLAG_LINK_POLLING_ENABLED BIT_ULL(39)
350 #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40)
351 #define I40E_FLAG_GENEVE_OFFLOAD_CAPABLE BIT_ULL(41)
352 #define I40E_FLAG_NO_PCI_LINK_CHECK BIT_ULL(42)
353 #define I40E_FLAG_100M_SGMII_CAPABLE BIT_ULL(43)
354 #define I40E_FLAG_RESTART_AUTONEG BIT_ULL(44)
355 #define I40E_FLAG_NO_DCB_SUPPORT BIT_ULL(45)
356 #define I40E_FLAG_USE_SET_LLDP_MIB BIT_ULL(46)
357 #define I40E_FLAG_STOP_FW_LLDP BIT_ULL(47)
358 #define I40E_FLAG_HAVE_10GBASET_PHY BIT_ULL(48)
359 #define I40E_FLAG_PF_MAC BIT_ULL(50)
360 #define I40E_FLAG_TRUE_PROMISC_SUPPORT BIT_ULL(51)
362 /* tracks features that get auto disabled by errors */
363 u64 auto_disable_flags
;
366 struct i40e_fcoe fcoe
;
368 #endif /* I40E_FCOE */
369 bool stat_offsets_loaded
;
370 struct i40e_hw_port_stats stats
;
371 struct i40e_hw_port_stats stats_offsets
;
372 u32 tx_timeout_count
;
373 u32 tx_timeout_recovery_level
;
374 unsigned long tx_timeout_last_recovery
;
375 u32 tx_sluggish_count
;
376 u32 hw_csum_rx_error
;
378 u16 corer_count
; /* Core reset count */
379 u16 globr_count
; /* Global reset count */
380 u16 empr_count
; /* EMP reset count */
381 u16 pfr_count
; /* PF reset count */
382 u16 sw_int_count
; /* SW interrupt count */
384 struct mutex switch_mutex
;
385 u16 lan_vsi
; /* our default LAN VSI */
386 u16 lan_veb
; /* initial relay, if exists */
387 #define I40E_NO_VEB 0xffff
388 #define I40E_NO_VSI 0xffff
389 u16 next_vsi
; /* Next unallocated VSI - 0-based! */
390 struct i40e_vsi
**vsi
;
391 struct i40e_veb
*veb
[I40E_MAX_VEB
];
393 struct i40e_lump_tracking
*qp_pile
;
394 struct i40e_lump_tracking
*irq_pile
;
396 /* switch config info */
400 struct kobject
*switch_kobj
;
401 #ifdef CONFIG_DEBUG_FS
402 struct dentry
*i40e_dbg_pf
;
403 #endif /* CONFIG_DEBUG_FS */
406 u16 instance
; /* A unique number per i40e_pf instance in the system */
408 /* sr-iov config info */
410 int num_alloc_vfs
; /* actual number of VFs allocated */
412 u32 arq_overflows
; /* Not fatal, possibly indicative of problems */
414 /* DCBx/DCBNL capability for PF that indicates
415 * whether DCBx is managed by firmware or host
416 * based agent (LLDPAD). Also, indicates what
417 * flavor of DCBx protocol (IEEE/CEE) is supported
418 * by the device. For now we're supporting IEEE
423 u32 fcoe_hmc_filt_num
;
424 u32 fcoe_hmc_cntx_num
;
425 struct i40e_filter_control_settings filter_settings
;
427 struct ptp_clock
*ptp_clock
;
428 struct ptp_clock_info ptp_caps
;
429 struct sk_buff
*ptp_tx_skb
;
430 struct hwtstamp_config tstamp_config
;
431 unsigned long last_rx_ptp_check
;
432 spinlock_t tmreg_lock
; /* Used to protect the device time registers. */
434 u32 tx_hwtstamp_timeouts
;
435 u32 rx_hwtstamp_cleared
;
438 u16 rss_table_size
; /* HW RSS table size */
439 /* These are only valid in NPAR modes */
448 enum i40e_filter_state
{
449 I40E_FILTER_INVALID
= 0, /* Invalid state */
450 I40E_FILTER_NEW
, /* New, not sent to FW yet */
451 I40E_FILTER_ACTIVE
, /* Added to switch by FW */
452 I40E_FILTER_FAILED
, /* Rejected by FW */
453 I40E_FILTER_REMOVE
, /* To be removed */
454 /* There is no 'removed' state; the filter struct is freed */
456 struct i40e_mac_filter
{
457 struct list_head list
;
458 u8 macaddr
[ETH_ALEN
];
459 #define I40E_VLAN_ANY -1
461 u8 counter
; /* number of instances of this filter */
462 bool is_vf
; /* filter belongs to a VF */
463 bool is_netdev
; /* filter belongs to a netdev */
464 enum i40e_filter_state state
;
470 u16 veb_idx
; /* index of VEB parent */
473 u16 stats_idx
; /* index of VEB parent */
475 u16 bridge_mode
; /* Bridge Mode (VEB/VEPA) */
480 u8 bw_tc_share_credits
[I40E_MAX_TRAFFIC_CLASS
];
481 u16 bw_tc_limit_credits
[I40E_MAX_TRAFFIC_CLASS
];
482 u8 bw_tc_max_quanta
[I40E_MAX_TRAFFIC_CLASS
];
483 struct kobject
*kobj
;
484 bool stat_offsets_loaded
;
485 struct i40e_eth_stats stats
;
486 struct i40e_eth_stats stats_offsets
;
487 struct i40e_veb_tc_stats tc_stats
;
488 struct i40e_veb_tc_stats tc_stats_offsets
;
491 /* struct that defines a VSI, associated with a dev */
493 struct net_device
*netdev
;
494 unsigned long active_vlans
[BITS_TO_LONGS(VLAN_N_VID
)];
495 bool netdev_registered
;
496 bool stat_offsets_loaded
;
498 u32 current_netdev_flags
;
500 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0)
501 #define I40E_VSI_FLAG_VEB_OWNER BIT(1)
504 /* Per VSI lock to protect elements/list (MAC filter) */
505 spinlock_t mac_filter_list_lock
;
506 struct list_head mac_filter_list
;
509 struct rtnl_link_stats64 net_stats
;
510 struct rtnl_link_stats64 net_stats_offsets
;
511 struct i40e_eth_stats eth_stats
;
512 struct i40e_eth_stats eth_stats_offsets
;
514 struct i40e_fcoe_stats fcoe_stats
;
515 struct i40e_fcoe_stats fcoe_stats_offsets
;
516 bool fcoe_stat_offsets_loaded
;
522 u64 tx_lost_interrupt
;
526 /* These are containers of ring pointers, allocated at run-time */
527 struct i40e_ring
**rx_rings
;
528 struct i40e_ring
**tx_rings
;
531 u32 promisc_threshold
;
534 u16 int_rate_limit
; /* value in usecs */
536 u16 rss_table_size
; /* HW RSS table size */
537 u16 rss_size
; /* Allocated RSS queues */
538 u8
*rss_hkey_user
; /* User configured hash keys */
539 u8
*rss_lut_user
; /* User configured lookup table entries */
545 /* List of q_vectors allocated to this VSI */
546 struct i40e_q_vector
**q_vectors
;
551 u16 seid
; /* HW index of this VSI (absolute index) */
552 u16 id
; /* VSI number */
555 u16 base_queue
; /* vsi's first queue in hw array */
556 u16 alloc_queue_pairs
; /* Allocated Tx/Rx queues */
557 u16 req_queue_pairs
; /* User requested queue pairs */
558 u16 num_queue_pairs
; /* Used tx and rx pairs */
560 enum i40e_vsi_type type
; /* VSI type, e.g., LAN, FCoE, etc */
561 s16 vf_id
; /* Virtual function ID for SRIOV VSIs */
563 struct i40e_tc_configuration tc_config
;
564 struct i40e_aqc_vsi_properties_data info
;
566 /* VSI BW limit (absolute across all TCs) */
567 u16 bw_limit
; /* VSI BW Limit (0 = disabled) */
568 u8 bw_max_quanta
; /* Max Quanta when BW limit is enabled */
570 /* Relative TC credits across VSIs */
571 u8 bw_ets_share_credits
[I40E_MAX_TRAFFIC_CLASS
];
572 /* TC BW limit credits within VSI */
573 u16 bw_ets_limit_credits
[I40E_MAX_TRAFFIC_CLASS
];
574 /* TC BW limit max quanta within VSI */
575 u8 bw_ets_max_quanta
[I40E_MAX_TRAFFIC_CLASS
];
577 struct i40e_pf
*back
; /* Backreference to associated PF */
578 u16 idx
; /* index in pf->vsi[] */
579 u16 veb_idx
; /* index of VEB parent */
580 struct kobject
*kobj
; /* sysfs object */
581 bool current_isup
; /* Sync 'link up' logging */
583 void *priv
; /* client driver data reference. */
585 /* VSI specific handlers */
586 irqreturn_t (*irq_handler
)(int irq
, void *data
);
587 } ____cacheline_internodealigned_in_smp
;
589 struct i40e_netdev_priv
{
590 struct i40e_vsi
*vsi
;
593 /* struct that defines an interrupt vector */
594 struct i40e_q_vector
{
595 struct i40e_vsi
*vsi
;
597 u16 v_idx
; /* index in the vsi->q_vector array. */
598 u16 reg_idx
; /* register index of the interrupt */
600 struct napi_struct napi
;
602 struct i40e_ring_container rx
;
603 struct i40e_ring_container tx
;
605 u8 num_ringpairs
; /* total number of ring pairs in vector */
607 #define I40E_Q_VECTOR_HUNG_DETECT 0 /* Bit Index for hung detection logic */
608 unsigned long hung_detected
; /* Set/Reset for hung_detection logic */
610 cpumask_t affinity_mask
;
611 struct rcu_head rcu
; /* to avoid race with update stats on free */
612 char name
[I40E_INT_NAME_STR_LEN
];
614 #define ITR_COUNTDOWN_START 100
615 u8 itr_countdown
; /* when 0 should adjust ITR */
616 } ____cacheline_internodealigned_in_smp
;
620 struct list_head list
;
625 * i40e_nvm_version_str - format the NVM version strings
626 * @hw: ptr to the hardware info
628 static inline char *i40e_nvm_version_str(struct i40e_hw
*hw
)
635 full_ver
= hw
->nvm
.oem_ver
;
636 ver
= (u8
)(full_ver
>> I40E_OEM_VER_SHIFT
);
637 build
= (u16
)((full_ver
>> I40E_OEM_VER_BUILD_SHIFT
) &
638 I40E_OEM_VER_BUILD_MASK
);
639 patch
= (u8
)(full_ver
& I40E_OEM_VER_PATCH_MASK
);
641 snprintf(buf
, sizeof(buf
),
642 "%x.%02x 0x%x %d.%d.%d",
643 (hw
->nvm
.version
& I40E_NVM_VERSION_HI_MASK
) >>
644 I40E_NVM_VERSION_HI_SHIFT
,
645 (hw
->nvm
.version
& I40E_NVM_VERSION_LO_MASK
) >>
646 I40E_NVM_VERSION_LO_SHIFT
,
647 hw
->nvm
.eetrack
, ver
, build
, patch
);
653 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
654 * @netdev: the corresponding netdev
656 * Return the PF struct for the given netdev
658 static inline struct i40e_pf
*i40e_netdev_to_pf(struct net_device
*netdev
)
660 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
661 struct i40e_vsi
*vsi
= np
->vsi
;
666 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi
*vsi
,
667 irqreturn_t (*irq_handler
)(int, void *))
669 vsi
->irq_handler
= irq_handler
;
673 * i40e_rx_is_programming_status - check for programming status descriptor
674 * @qw: the first quad word of the program status descriptor
676 * The value of in the descriptor length field indicate if this
677 * is a programming status descriptor for flow director or FCoE
678 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
679 * it is a packet descriptor.
681 static inline bool i40e_rx_is_programming_status(u64 qw
)
683 return I40E_RX_PROG_STATUS_DESC_LENGTH
==
684 (qw
>> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT
);
688 * i40e_get_fd_cnt_all - get the total FD filter space available
689 * @pf: pointer to the PF struct
691 static inline int i40e_get_fd_cnt_all(struct i40e_pf
*pf
)
693 return pf
->hw
.fdir_shared_filter_count
+ pf
->fdir_pf_filter_count
;
696 /* needed by i40e_ethtool.c */
697 int i40e_up(struct i40e_vsi
*vsi
);
698 void i40e_down(struct i40e_vsi
*vsi
);
699 extern const char i40e_driver_name
[];
700 extern const char i40e_driver_version_str
[];
701 void i40e_do_reset_safe(struct i40e_pf
*pf
, u32 reset_flags
);
702 void i40e_do_reset(struct i40e_pf
*pf
, u32 reset_flags
);
703 int i40e_config_rss(struct i40e_vsi
*vsi
, u8
*seed
, u8
*lut
, u16 lut_size
);
704 int i40e_get_rss(struct i40e_vsi
*vsi
, u8
*seed
, u8
*lut
, u16 lut_size
);
705 void i40e_fill_rss_lut(struct i40e_pf
*pf
, u8
*lut
,
706 u16 rss_table_size
, u16 rss_size
);
707 struct i40e_vsi
*i40e_find_vsi_from_id(struct i40e_pf
*pf
, u16 id
);
708 void i40e_update_stats(struct i40e_vsi
*vsi
);
709 void i40e_update_eth_stats(struct i40e_vsi
*vsi
);
710 struct rtnl_link_stats64
*i40e_get_vsi_stats_struct(struct i40e_vsi
*vsi
);
711 int i40e_fetch_switch_configuration(struct i40e_pf
*pf
,
714 int i40e_add_del_fdir(struct i40e_vsi
*vsi
,
715 struct i40e_fdir_filter
*input
, bool add
);
716 void i40e_fdir_check_and_reenable(struct i40e_pf
*pf
);
717 u32
i40e_get_current_fd_count(struct i40e_pf
*pf
);
718 u32
i40e_get_cur_guaranteed_fd_count(struct i40e_pf
*pf
);
719 u32
i40e_get_current_atr_cnt(struct i40e_pf
*pf
);
720 u32
i40e_get_global_fd_count(struct i40e_pf
*pf
);
721 bool i40e_set_ntuple(struct i40e_pf
*pf
, netdev_features_t features
);
722 void i40e_set_ethtool_ops(struct net_device
*netdev
);
723 struct i40e_mac_filter
*i40e_add_filter(struct i40e_vsi
*vsi
,
724 u8
*macaddr
, s16 vlan
,
725 bool is_vf
, bool is_netdev
);
726 void i40e_del_filter(struct i40e_vsi
*vsi
, u8
*macaddr
, s16 vlan
,
727 bool is_vf
, bool is_netdev
);
728 int i40e_sync_vsi_filters(struct i40e_vsi
*vsi
);
729 struct i40e_vsi
*i40e_vsi_setup(struct i40e_pf
*pf
, u8 type
,
730 u16 uplink
, u32 param1
);
731 int i40e_vsi_release(struct i40e_vsi
*vsi
);
732 struct i40e_vsi
*i40e_vsi_lookup(struct i40e_pf
*pf
, enum i40e_vsi_type type
,
733 struct i40e_vsi
*start_vsi
);
735 void i40e_vsi_setup_queue_map(struct i40e_vsi
*vsi
,
736 struct i40e_vsi_context
*ctxt
,
737 u8 enabled_tc
, bool is_add
);
739 void i40e_service_event_schedule(struct i40e_pf
*pf
);
740 void i40e_notify_client_of_vf_msg(struct i40e_vsi
*vsi
, u32 vf_id
,
743 int i40e_vsi_control_rings(struct i40e_vsi
*vsi
, bool enable
);
744 int i40e_reconfig_rss_queues(struct i40e_pf
*pf
, int queue_count
);
745 struct i40e_veb
*i40e_veb_setup(struct i40e_pf
*pf
, u16 flags
, u16 uplink_seid
,
746 u16 downlink_seid
, u8 enabled_tc
);
747 void i40e_veb_release(struct i40e_veb
*veb
);
749 int i40e_veb_config_tc(struct i40e_veb
*veb
, u8 enabled_tc
);
750 int i40e_vsi_add_pvid(struct i40e_vsi
*vsi
, u16 vid
);
751 void i40e_vsi_remove_pvid(struct i40e_vsi
*vsi
);
752 void i40e_vsi_reset_stats(struct i40e_vsi
*vsi
);
753 void i40e_pf_reset_stats(struct i40e_pf
*pf
);
754 #ifdef CONFIG_DEBUG_FS
755 void i40e_dbg_pf_init(struct i40e_pf
*pf
);
756 void i40e_dbg_pf_exit(struct i40e_pf
*pf
);
757 void i40e_dbg_init(void);
758 void i40e_dbg_exit(void);
760 static inline void i40e_dbg_pf_init(struct i40e_pf
*pf
) {}
761 static inline void i40e_dbg_pf_exit(struct i40e_pf
*pf
) {}
762 static inline void i40e_dbg_init(void) {}
763 static inline void i40e_dbg_exit(void) {}
764 #endif /* CONFIG_DEBUG_FS*/
765 /* needed by client drivers */
766 int i40e_lan_add_device(struct i40e_pf
*pf
);
767 int i40e_lan_del_device(struct i40e_pf
*pf
);
768 void i40e_client_subtask(struct i40e_pf
*pf
);
769 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi
*vsi
);
770 void i40e_notify_client_of_netdev_open(struct i40e_vsi
*vsi
);
771 void i40e_notify_client_of_netdev_close(struct i40e_vsi
*vsi
, bool reset
);
772 void i40e_notify_client_of_vf_enable(struct i40e_pf
*pf
, u32 num_vfs
);
773 void i40e_notify_client_of_vf_reset(struct i40e_pf
*pf
, u32 vf_id
);
774 int i40e_vf_client_capable(struct i40e_pf
*pf
, u32 vf_id
,
775 enum i40e_client_type type
);
777 * i40e_irq_dynamic_enable - Enable default interrupt generation settings
778 * @vsi: pointer to a vsi
779 * @vector: enable a particular Hw Interrupt vector, without base_vector
781 static inline void i40e_irq_dynamic_enable(struct i40e_vsi
*vsi
, int vector
)
783 struct i40e_pf
*pf
= vsi
->back
;
784 struct i40e_hw
*hw
= &pf
->hw
;
787 /* definitely clear the PBA here, as this function is meant to
788 * clean out all previous interrupts AND enable the interrupt
790 val
= I40E_PFINT_DYN_CTLN_INTENA_MASK
|
791 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK
|
792 (I40E_ITR_NONE
<< I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT
);
793 wr32(hw
, I40E_PFINT_DYN_CTLN(vector
+ vsi
->base_vector
- 1), val
);
797 void i40e_irq_dynamic_disable_icr0(struct i40e_pf
*pf
);
798 void i40e_irq_dynamic_enable_icr0(struct i40e_pf
*pf
, bool clearpba
);
800 struct rtnl_link_stats64
*i40e_get_netdev_stats_struct(
801 struct net_device
*netdev
,
802 struct rtnl_link_stats64
*storage
);
803 int i40e_set_mac(struct net_device
*netdev
, void *p
);
804 void i40e_set_rx_mode(struct net_device
*netdev
);
806 int i40e_ioctl(struct net_device
*netdev
, struct ifreq
*ifr
, int cmd
);
808 void i40e_tx_timeout(struct net_device
*netdev
);
809 int i40e_vlan_rx_add_vid(struct net_device
*netdev
,
810 __always_unused __be16 proto
, u16 vid
);
811 int i40e_vlan_rx_kill_vid(struct net_device
*netdev
,
812 __always_unused __be16 proto
, u16 vid
);
814 int i40e_open(struct net_device
*netdev
);
815 int i40e_close(struct net_device
*netdev
);
816 int i40e_vsi_open(struct i40e_vsi
*vsi
);
817 void i40e_vlan_stripping_disable(struct i40e_vsi
*vsi
);
818 int i40e_vsi_add_vlan(struct i40e_vsi
*vsi
, s16 vid
);
819 int i40e_vsi_kill_vlan(struct i40e_vsi
*vsi
, s16 vid
);
820 struct i40e_mac_filter
*i40e_put_mac_in_vlan(struct i40e_vsi
*vsi
, u8
*macaddr
,
821 bool is_vf
, bool is_netdev
);
822 int i40e_del_mac_all_vlan(struct i40e_vsi
*vsi
, u8
*macaddr
,
823 bool is_vf
, bool is_netdev
);
824 bool i40e_is_vsi_in_vlan(struct i40e_vsi
*vsi
);
825 struct i40e_mac_filter
*i40e_find_mac(struct i40e_vsi
*vsi
, u8
*macaddr
,
826 bool is_vf
, bool is_netdev
);
828 int __i40e_setup_tc(struct net_device
*netdev
, u32 handle
, __be16 proto
,
829 struct tc_to_netdev
*tc
);
830 void i40e_netpoll(struct net_device
*netdev
);
831 int i40e_fcoe_enable(struct net_device
*netdev
);
832 int i40e_fcoe_disable(struct net_device
*netdev
);
833 int i40e_fcoe_vsi_init(struct i40e_vsi
*vsi
, struct i40e_vsi_context
*ctxt
);
834 u8
i40e_get_fcoe_tc_map(struct i40e_pf
*pf
);
835 void i40e_fcoe_config_netdev(struct net_device
*netdev
, struct i40e_vsi
*vsi
);
836 void i40e_fcoe_vsi_setup(struct i40e_pf
*pf
);
837 void i40e_init_pf_fcoe(struct i40e_pf
*pf
);
838 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi
*vsi
);
839 void i40e_fcoe_free_ddp_resources(struct i40e_vsi
*vsi
);
840 int i40e_fcoe_handle_offload(struct i40e_ring
*rx_ring
,
841 union i40e_rx_desc
*rx_desc
,
842 struct sk_buff
*skb
);
843 void i40e_fcoe_handle_status(struct i40e_ring
*rx_ring
,
844 union i40e_rx_desc
*rx_desc
, u8 prog_id
);
845 #endif /* I40E_FCOE */
846 void i40e_vlan_stripping_enable(struct i40e_vsi
*vsi
);
847 #ifdef CONFIG_I40E_DCB
848 void i40e_dcbnl_flush_apps(struct i40e_pf
*pf
,
849 struct i40e_dcbx_config
*old_cfg
,
850 struct i40e_dcbx_config
*new_cfg
);
851 void i40e_dcbnl_set_all(struct i40e_vsi
*vsi
);
852 void i40e_dcbnl_setup(struct i40e_vsi
*vsi
);
853 bool i40e_dcb_need_reconfig(struct i40e_pf
*pf
,
854 struct i40e_dcbx_config
*old_cfg
,
855 struct i40e_dcbx_config
*new_cfg
);
856 #endif /* CONFIG_I40E_DCB */
857 void i40e_ptp_rx_hang(struct i40e_vsi
*vsi
);
858 void i40e_ptp_tx_hwtstamp(struct i40e_pf
*pf
);
859 void i40e_ptp_rx_hwtstamp(struct i40e_pf
*pf
, struct sk_buff
*skb
, u8 index
);
860 void i40e_ptp_set_increment(struct i40e_pf
*pf
);
861 int i40e_ptp_set_ts_config(struct i40e_pf
*pf
, struct ifreq
*ifr
);
862 int i40e_ptp_get_ts_config(struct i40e_pf
*pf
, struct ifreq
*ifr
);
863 void i40e_ptp_init(struct i40e_pf
*pf
);
864 void i40e_ptp_stop(struct i40e_pf
*pf
);
865 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi
*vsi
);
866 i40e_status
i40e_get_npar_bw_setting(struct i40e_pf
*pf
);
867 i40e_status
i40e_set_npar_bw_setting(struct i40e_pf
*pf
);
868 i40e_status
i40e_commit_npar_bw_setting(struct i40e_pf
*pf
);
869 void i40e_print_link_message(struct i40e_vsi
*vsi
, bool isup
);
870 #endif /* _I40E_H_ */