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 51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */
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_MSG_ENABLE 4
96 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10
97 #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 16)
99 /* Ethtool Private Flags */
100 #define I40E_PRIV_FLAGS_MFP_FLAG BIT(0)
101 #define I40E_PRIV_FLAGS_LINKPOLL_FLAG BIT(1)
102 #define I40E_PRIV_FLAGS_FD_ATR BIT(2)
103 #define I40E_PRIV_FLAGS_VEB_STATS BIT(3)
104 #define I40E_PRIV_FLAGS_HW_ATR_EVICT BIT(4)
105 #define I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT BIT(5)
107 #define I40E_NVM_VERSION_LO_SHIFT 0
108 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT)
109 #define I40E_NVM_VERSION_HI_SHIFT 12
110 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT)
111 #define I40E_OEM_VER_BUILD_MASK 0xffff
112 #define I40E_OEM_VER_PATCH_MASK 0xff
113 #define I40E_OEM_VER_BUILD_SHIFT 8
114 #define I40E_OEM_VER_SHIFT 24
115 #define I40E_PHY_DEBUG_ALL \
116 (I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \
117 I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW)
119 /* The values in here are decimal coded as hex as is the case in the NVM map*/
120 #define I40E_CURRENT_NVM_VERSION_HI 0x2
121 #define I40E_CURRENT_NVM_VERSION_LO 0x40
123 #define I40E_RX_DESC(R, i) \
124 (&(((union i40e_32byte_rx_desc *)((R)->desc))[i]))
125 #define I40E_TX_DESC(R, i) \
126 (&(((struct i40e_tx_desc *)((R)->desc))[i]))
127 #define I40E_TX_CTXTDESC(R, i) \
128 (&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
129 #define I40E_TX_FDIRDESC(R, i) \
130 (&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
132 /* default to trying for four seconds */
133 #define I40E_TRY_LINK_TIMEOUT (4 * HZ)
136 * i40e_is_mac_710 - Return true if MAC is X710/XL710
137 * @hw: ptr to the hardware info
139 static inline bool i40e_is_mac_710(struct i40e_hw
*hw
)
141 if ((hw
->mac
.type
== I40E_MAC_X710
) ||
142 (hw
->mac
.type
== I40E_MAC_XL710
))
148 /* driver state flags */
154 __I40E_NEEDS_RESTART
,
155 __I40E_SERVICE_SCHED
,
156 __I40E_ADMINQ_EVENT_PENDING
,
157 __I40E_MDD_EVENT_PENDING
,
158 __I40E_VFLR_EVENT_PENDING
,
159 __I40E_RESET_RECOVERY_PENDING
,
160 __I40E_RESET_INTR_RECEIVED
,
161 __I40E_REINIT_REQUESTED
,
162 __I40E_PF_RESET_REQUESTED
,
163 __I40E_CORE_RESET_REQUESTED
,
164 __I40E_GLOBAL_RESET_REQUESTED
,
165 __I40E_EMP_RESET_REQUESTED
,
166 __I40E_EMP_RESET_INTR_RECEIVED
,
167 __I40E_FILTER_OVERFLOW_PROMISC
,
169 __I40E_PTP_TX_IN_PROGRESS
,
171 __I40E_DOWN_REQUESTED
,
172 __I40E_FD_FLUSH_REQUESTED
,
174 __I40E_PORT_TX_SUSPENDED
,
178 enum i40e_interrupt_policy
{
179 I40E_INTERRUPT_BEST_CASE
,
180 I40E_INTERRUPT_MEDIUM
,
181 I40E_INTERRUPT_LOWEST
184 struct i40e_lump_tracking
{
188 #define I40E_PILE_VALID_BIT 0x8000
189 #define I40E_IWARP_IRQ_PILE_ID (I40E_PILE_VALID_BIT - 2)
192 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20
193 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512
194 #define I40E_FDIR_BUFFER_FULL_MARGIN 10
195 #define I40E_FDIR_BUFFER_HEAD_ROOM 32
196 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)
198 #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
199 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
200 #define I40E_VF_HLUT_ARRAY_SIZE ((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4)
202 enum i40e_fd_stat_idx
{
205 I40E_FD_STAT_ATR_TUNNEL
,
206 I40E_FD_STAT_PF_COUNT
208 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
209 #define I40E_FD_ATR_STAT_IDX(pf_id) \
210 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
211 #define I40E_FD_SB_STAT_IDX(pf_id) \
212 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
213 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
214 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)
216 struct i40e_fdir_filter
{
217 struct hlist_node fdir_node
;
218 /* filter ipnut set */
221 /* TX packet view of src and dst */
238 #define I40E_ETH_P_LLDP 0x88cc
240 #define I40E_DCB_PRIO_TYPE_STRICT 0
241 #define I40E_DCB_PRIO_TYPE_ETS 1
242 #define I40E_DCB_STRICT_PRIO_CREDITS 127
243 /* DCB per TC information data structure */
244 struct i40e_tc_info
{
245 u16 qoffset
; /* Queue offset from base queue */
246 u16 qcount
; /* Total Queues */
247 u8 netdev_tc
; /* Netdev TC index if netdev associated */
250 /* TC configuration data structure */
251 struct i40e_tc_configuration
{
252 u8 numtc
; /* Total number of enabled TCs */
253 u8 enabled_tc
; /* TC map */
254 struct i40e_tc_info tc_info
[I40E_MAX_TRAFFIC_CLASS
];
257 struct i40e_udp_port_config
{
262 /* struct that defines the Ethernet device */
264 struct pci_dev
*pdev
;
267 struct msix_entry
*msix_entries
;
268 bool fc_autoneg_status
;
271 u16 num_vmdq_vsis
; /* num vmdq vsis this PF has set up */
272 u16 num_vmdq_qps
; /* num queue pairs per vmdq pool */
273 u16 num_vmdq_msix
; /* num queue vectors per vmdq pool */
274 u16 num_req_vfs
; /* num VFs requested for this VF */
275 u16 num_vf_qps
; /* num queue pairs per VF */
277 u16 num_fcoe_qps
; /* num fcoe queues this PF has set up */
278 u16 num_fcoe_msix
; /* num queue vectors per fcoe pool */
279 #endif /* I40E_FCOE */
280 u16 num_lan_qps
; /* num lan queues this PF has set up */
281 u16 num_lan_msix
; /* num queue vectors for the base PF vsi */
282 u16 num_fdsb_msix
; /* num queue vectors for sideband Fdir */
283 u16 num_iwarp_msix
; /* num of iwarp vectors for this PF */
284 int iwarp_base_vector
;
285 int queues_left
; /* queues left unclaimed */
286 u16 alloc_rss_size
; /* allocated RSS queues */
287 u16 rss_size_max
; /* HW defined max RSS queues */
288 u16 fdir_pf_filter_count
; /* num of guaranteed filters for this PF */
289 u16 num_alloc_vsi
; /* num VSIs this driver supports */
293 struct hlist_head fdir_filter_list
;
294 u16 fdir_pf_active_filters
;
295 unsigned long fd_flush_timestamp
;
301 struct i40e_udp_port_config udp_ports
[I40E_MAX_PF_UDP_OFFLOAD_PORTS
];
302 u16 pending_udp_bitmap
;
304 enum i40e_interrupt_policy int_policy
;
308 char int_name
[I40E_INT_NAME_STR_LEN
];
309 u16 adminq_work_limit
; /* num of admin receive queue desc to process */
310 unsigned long service_timer_period
;
311 unsigned long service_timer_previous
;
312 struct timer_list service_timer
;
313 struct work_struct service_task
;
316 #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1)
317 #define I40E_FLAG_MSI_ENABLED BIT_ULL(2)
318 #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3)
319 #define I40E_FLAG_RSS_ENABLED BIT_ULL(6)
320 #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7)
321 #define I40E_FLAG_FDIR_REQUIRES_REINIT BIT_ULL(8)
322 #define I40E_FLAG_NEED_LINK_UPDATE BIT_ULL(9)
323 #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10)
325 #define I40E_FLAG_FCOE_ENABLED BIT_ULL(11)
326 #endif /* I40E_FCOE */
327 #define I40E_FLAG_CLEAN_ADMINQ BIT_ULL(14)
328 #define I40E_FLAG_FILTER_SYNC BIT_ULL(15)
329 #define I40E_FLAG_SERVICE_CLIENT_REQUESTED BIT_ULL(16)
330 #define I40E_FLAG_PROCESS_MDD_EVENT BIT_ULL(17)
331 #define I40E_FLAG_PROCESS_VFLR_EVENT BIT_ULL(18)
332 #define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19)
333 #define I40E_FLAG_DCB_ENABLED BIT_ULL(20)
334 #define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21)
335 #define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22)
336 #define I40E_FLAG_PTP BIT_ULL(25)
337 #define I40E_FLAG_MFP_ENABLED BIT_ULL(26)
338 #define I40E_FLAG_UDP_FILTER_SYNC BIT_ULL(27)
339 #define I40E_FLAG_PORT_ID_VALID BIT_ULL(28)
340 #define I40E_FLAG_DCB_CAPABLE BIT_ULL(29)
341 #define I40E_FLAG_RSS_AQ_CAPABLE BIT_ULL(31)
342 #define I40E_FLAG_HW_ATR_EVICT_CAPABLE BIT_ULL(32)
343 #define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE BIT_ULL(33)
344 #define I40E_FLAG_128_QP_RSS_CAPABLE BIT_ULL(34)
345 #define I40E_FLAG_WB_ON_ITR_CAPABLE BIT_ULL(35)
346 #define I40E_FLAG_VEB_STATS_ENABLED BIT_ULL(37)
347 #define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(38)
348 #define I40E_FLAG_LINK_POLLING_ENABLED BIT_ULL(39)
349 #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40)
350 #define I40E_FLAG_GENEVE_OFFLOAD_CAPABLE BIT_ULL(41)
351 #define I40E_FLAG_NO_PCI_LINK_CHECK BIT_ULL(42)
352 #define I40E_FLAG_100M_SGMII_CAPABLE BIT_ULL(43)
353 #define I40E_FLAG_RESTART_AUTONEG BIT_ULL(44)
354 #define I40E_FLAG_NO_DCB_SUPPORT BIT_ULL(45)
355 #define I40E_FLAG_USE_SET_LLDP_MIB BIT_ULL(46)
356 #define I40E_FLAG_STOP_FW_LLDP BIT_ULL(47)
357 #define I40E_FLAG_HAVE_10GBASET_PHY BIT_ULL(48)
358 #define I40E_FLAG_PF_MAC BIT_ULL(50)
359 #define I40E_FLAG_TRUE_PROMISC_SUPPORT BIT_ULL(51)
361 /* tracks features that get auto disabled by errors */
362 u64 auto_disable_flags
;
365 struct i40e_fcoe fcoe
;
367 #endif /* I40E_FCOE */
368 bool stat_offsets_loaded
;
369 struct i40e_hw_port_stats stats
;
370 struct i40e_hw_port_stats stats_offsets
;
371 u32 tx_timeout_count
;
372 u32 tx_timeout_recovery_level
;
373 unsigned long tx_timeout_last_recovery
;
374 u32 tx_sluggish_count
;
375 u32 hw_csum_rx_error
;
377 u16 corer_count
; /* Core reset count */
378 u16 globr_count
; /* Global reset count */
379 u16 empr_count
; /* EMP reset count */
380 u16 pfr_count
; /* PF reset count */
381 u16 sw_int_count
; /* SW interrupt count */
383 struct mutex switch_mutex
;
384 u16 lan_vsi
; /* our default LAN VSI */
385 u16 lan_veb
; /* initial relay, if exists */
386 #define I40E_NO_VEB 0xffff
387 #define I40E_NO_VSI 0xffff
388 u16 next_vsi
; /* Next unallocated VSI - 0-based! */
389 struct i40e_vsi
**vsi
;
390 struct i40e_veb
*veb
[I40E_MAX_VEB
];
392 struct i40e_lump_tracking
*qp_pile
;
393 struct i40e_lump_tracking
*irq_pile
;
395 /* switch config info */
399 struct kobject
*switch_kobj
;
400 #ifdef CONFIG_DEBUG_FS
401 struct dentry
*i40e_dbg_pf
;
402 #endif /* CONFIG_DEBUG_FS */
405 u16 instance
; /* A unique number per i40e_pf instance in the system */
407 /* sr-iov config info */
409 int num_alloc_vfs
; /* actual number of VFs allocated */
411 u32 arq_overflows
; /* Not fatal, possibly indicative of problems */
413 /* DCBx/DCBNL capability for PF that indicates
414 * whether DCBx is managed by firmware or host
415 * based agent (LLDPAD). Also, indicates what
416 * flavor of DCBx protocol (IEEE/CEE) is supported
417 * by the device. For now we're supporting IEEE
422 u32 fcoe_hmc_filt_num
;
423 u32 fcoe_hmc_cntx_num
;
424 struct i40e_filter_control_settings filter_settings
;
426 struct ptp_clock
*ptp_clock
;
427 struct ptp_clock_info ptp_caps
;
428 struct sk_buff
*ptp_tx_skb
;
429 struct hwtstamp_config tstamp_config
;
430 unsigned long last_rx_ptp_check
;
431 spinlock_t tmreg_lock
; /* Used to protect the device time registers. */
433 u32 tx_hwtstamp_timeouts
;
434 u32 rx_hwtstamp_cleared
;
437 u16 rss_table_size
; /* HW RSS table size */
438 /* These are only valid in NPAR modes */
447 enum i40e_filter_state
{
448 I40E_FILTER_INVALID
= 0, /* Invalid state */
449 I40E_FILTER_NEW
, /* New, not sent to FW yet */
450 I40E_FILTER_ACTIVE
, /* Added to switch by FW */
451 I40E_FILTER_FAILED
, /* Rejected by FW */
452 I40E_FILTER_REMOVE
, /* To be removed */
453 /* There is no 'removed' state; the filter struct is freed */
455 struct i40e_mac_filter
{
456 struct list_head list
;
457 u8 macaddr
[ETH_ALEN
];
458 #define I40E_VLAN_ANY -1
460 u8 counter
; /* number of instances of this filter */
461 bool is_vf
; /* filter belongs to a VF */
462 bool is_netdev
; /* filter belongs to a netdev */
463 enum i40e_filter_state state
;
469 u16 veb_idx
; /* index of VEB parent */
472 u16 stats_idx
; /* index of VEB parent */
474 u16 bridge_mode
; /* Bridge Mode (VEB/VEPA) */
479 u8 bw_tc_share_credits
[I40E_MAX_TRAFFIC_CLASS
];
480 u16 bw_tc_limit_credits
[I40E_MAX_TRAFFIC_CLASS
];
481 u8 bw_tc_max_quanta
[I40E_MAX_TRAFFIC_CLASS
];
482 struct kobject
*kobj
;
483 bool stat_offsets_loaded
;
484 struct i40e_eth_stats stats
;
485 struct i40e_eth_stats stats_offsets
;
486 struct i40e_veb_tc_stats tc_stats
;
487 struct i40e_veb_tc_stats tc_stats_offsets
;
490 /* struct that defines a VSI, associated with a dev */
492 struct net_device
*netdev
;
493 unsigned long active_vlans
[BITS_TO_LONGS(VLAN_N_VID
)];
494 bool netdev_registered
;
495 bool stat_offsets_loaded
;
497 u32 current_netdev_flags
;
499 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0)
500 #define I40E_VSI_FLAG_VEB_OWNER BIT(1)
503 /* Per VSI lock to protect elements/list (MAC filter) */
504 spinlock_t mac_filter_list_lock
;
505 struct list_head mac_filter_list
;
508 struct rtnl_link_stats64 net_stats
;
509 struct rtnl_link_stats64 net_stats_offsets
;
510 struct i40e_eth_stats eth_stats
;
511 struct i40e_eth_stats eth_stats_offsets
;
513 struct i40e_fcoe_stats fcoe_stats
;
514 struct i40e_fcoe_stats fcoe_stats_offsets
;
515 bool fcoe_stat_offsets_loaded
;
521 u64 tx_lost_interrupt
;
525 /* These are containers of ring pointers, allocated at run-time */
526 struct i40e_ring
**rx_rings
;
527 struct i40e_ring
**tx_rings
;
530 u32 promisc_threshold
;
533 u16 int_rate_limit
; /* value in usecs */
535 u16 rss_table_size
; /* HW RSS table size */
536 u16 rss_size
; /* Allocated RSS queues */
537 u8
*rss_hkey_user
; /* User configured hash keys */
538 u8
*rss_lut_user
; /* User configured lookup table entries */
544 /* List of q_vectors allocated to this VSI */
545 struct i40e_q_vector
**q_vectors
;
550 u16 seid
; /* HW index of this VSI (absolute index) */
551 u16 id
; /* VSI number */
554 u16 base_queue
; /* vsi's first queue in hw array */
555 u16 alloc_queue_pairs
; /* Allocated Tx/Rx queues */
556 u16 req_queue_pairs
; /* User requested queue pairs */
557 u16 num_queue_pairs
; /* Used tx and rx pairs */
559 enum i40e_vsi_type type
; /* VSI type, e.g., LAN, FCoE, etc */
560 s16 vf_id
; /* Virtual function ID for SRIOV VSIs */
562 struct i40e_tc_configuration tc_config
;
563 struct i40e_aqc_vsi_properties_data info
;
565 /* VSI BW limit (absolute across all TCs) */
566 u16 bw_limit
; /* VSI BW Limit (0 = disabled) */
567 u8 bw_max_quanta
; /* Max Quanta when BW limit is enabled */
569 /* Relative TC credits across VSIs */
570 u8 bw_ets_share_credits
[I40E_MAX_TRAFFIC_CLASS
];
571 /* TC BW limit credits within VSI */
572 u16 bw_ets_limit_credits
[I40E_MAX_TRAFFIC_CLASS
];
573 /* TC BW limit max quanta within VSI */
574 u8 bw_ets_max_quanta
[I40E_MAX_TRAFFIC_CLASS
];
576 struct i40e_pf
*back
; /* Backreference to associated PF */
577 u16 idx
; /* index in pf->vsi[] */
578 u16 veb_idx
; /* index of VEB parent */
579 struct kobject
*kobj
; /* sysfs object */
580 bool current_isup
; /* Sync 'link up' logging */
582 void *priv
; /* client driver data reference. */
584 /* VSI specific handlers */
585 irqreturn_t (*irq_handler
)(int irq
, void *data
);
586 } ____cacheline_internodealigned_in_smp
;
588 struct i40e_netdev_priv
{
589 struct i40e_vsi
*vsi
;
592 /* struct that defines an interrupt vector */
593 struct i40e_q_vector
{
594 struct i40e_vsi
*vsi
;
596 u16 v_idx
; /* index in the vsi->q_vector array. */
597 u16 reg_idx
; /* register index of the interrupt */
599 struct napi_struct napi
;
601 struct i40e_ring_container rx
;
602 struct i40e_ring_container tx
;
604 u8 num_ringpairs
; /* total number of ring pairs in vector */
606 #define I40E_Q_VECTOR_HUNG_DETECT 0 /* Bit Index for hung detection logic */
607 unsigned long hung_detected
; /* Set/Reset for hung_detection logic */
609 cpumask_t affinity_mask
;
610 struct rcu_head rcu
; /* to avoid race with update stats on free */
611 char name
[I40E_INT_NAME_STR_LEN
];
613 #define ITR_COUNTDOWN_START 100
614 u8 itr_countdown
; /* when 0 should adjust ITR */
615 } ____cacheline_internodealigned_in_smp
;
619 struct list_head list
;
624 * i40e_nvm_version_str - format the NVM version strings
625 * @hw: ptr to the hardware info
627 static inline char *i40e_nvm_version_str(struct i40e_hw
*hw
)
634 full_ver
= hw
->nvm
.oem_ver
;
635 ver
= (u8
)(full_ver
>> I40E_OEM_VER_SHIFT
);
636 build
= (u16
)((full_ver
>> I40E_OEM_VER_BUILD_SHIFT
) &
637 I40E_OEM_VER_BUILD_MASK
);
638 patch
= (u8
)(full_ver
& I40E_OEM_VER_PATCH_MASK
);
640 snprintf(buf
, sizeof(buf
),
641 "%x.%02x 0x%x %d.%d.%d",
642 (hw
->nvm
.version
& I40E_NVM_VERSION_HI_MASK
) >>
643 I40E_NVM_VERSION_HI_SHIFT
,
644 (hw
->nvm
.version
& I40E_NVM_VERSION_LO_MASK
) >>
645 I40E_NVM_VERSION_LO_SHIFT
,
646 hw
->nvm
.eetrack
, ver
, build
, patch
);
652 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
653 * @netdev: the corresponding netdev
655 * Return the PF struct for the given netdev
657 static inline struct i40e_pf
*i40e_netdev_to_pf(struct net_device
*netdev
)
659 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
660 struct i40e_vsi
*vsi
= np
->vsi
;
665 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi
*vsi
,
666 irqreturn_t (*irq_handler
)(int, void *))
668 vsi
->irq_handler
= irq_handler
;
672 * i40e_rx_is_programming_status - check for programming status descriptor
673 * @qw: the first quad word of the program status descriptor
675 * The value of in the descriptor length field indicate if this
676 * is a programming status descriptor for flow director or FCoE
677 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
678 * it is a packet descriptor.
680 static inline bool i40e_rx_is_programming_status(u64 qw
)
682 return I40E_RX_PROG_STATUS_DESC_LENGTH
==
683 (qw
>> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT
);
687 * i40e_get_fd_cnt_all - get the total FD filter space available
688 * @pf: pointer to the PF struct
690 static inline int i40e_get_fd_cnt_all(struct i40e_pf
*pf
)
692 return pf
->hw
.fdir_shared_filter_count
+ pf
->fdir_pf_filter_count
;
695 /* needed by i40e_ethtool.c */
696 int i40e_up(struct i40e_vsi
*vsi
);
697 void i40e_down(struct i40e_vsi
*vsi
);
698 extern const char i40e_driver_name
[];
699 extern const char i40e_driver_version_str
[];
700 void i40e_do_reset_safe(struct i40e_pf
*pf
, u32 reset_flags
);
701 void i40e_do_reset(struct i40e_pf
*pf
, u32 reset_flags
);
702 int i40e_config_rss(struct i40e_vsi
*vsi
, u8
*seed
, u8
*lut
, u16 lut_size
);
703 int i40e_get_rss(struct i40e_vsi
*vsi
, u8
*seed
, u8
*lut
, u16 lut_size
);
704 struct i40e_vsi
*i40e_find_vsi_from_id(struct i40e_pf
*pf
, u16 id
);
705 void i40e_update_stats(struct i40e_vsi
*vsi
);
706 void i40e_update_eth_stats(struct i40e_vsi
*vsi
);
707 struct rtnl_link_stats64
*i40e_get_vsi_stats_struct(struct i40e_vsi
*vsi
);
708 int i40e_fetch_switch_configuration(struct i40e_pf
*pf
,
711 int i40e_program_fdir_filter(struct i40e_fdir_filter
*fdir_data
, u8
*raw_packet
,
712 struct i40e_pf
*pf
, bool add
);
713 int i40e_add_del_fdir(struct i40e_vsi
*vsi
,
714 struct i40e_fdir_filter
*input
, bool add
);
715 void i40e_fdir_check_and_reenable(struct i40e_pf
*pf
);
716 u32
i40e_get_current_fd_count(struct i40e_pf
*pf
);
717 u32
i40e_get_cur_guaranteed_fd_count(struct i40e_pf
*pf
);
718 u32
i40e_get_current_atr_cnt(struct i40e_pf
*pf
);
719 u32
i40e_get_global_fd_count(struct i40e_pf
*pf
);
720 bool i40e_set_ntuple(struct i40e_pf
*pf
, netdev_features_t features
);
721 void i40e_set_ethtool_ops(struct net_device
*netdev
);
722 struct i40e_mac_filter
*i40e_add_filter(struct i40e_vsi
*vsi
,
723 u8
*macaddr
, s16 vlan
,
724 bool is_vf
, bool is_netdev
);
725 void i40e_del_filter(struct i40e_vsi
*vsi
, u8
*macaddr
, s16 vlan
,
726 bool is_vf
, bool is_netdev
);
727 int i40e_sync_vsi_filters(struct i40e_vsi
*vsi
);
728 struct i40e_vsi
*i40e_vsi_setup(struct i40e_pf
*pf
, u8 type
,
729 u16 uplink
, u32 param1
);
730 int i40e_vsi_release(struct i40e_vsi
*vsi
);
731 struct i40e_vsi
*i40e_vsi_lookup(struct i40e_pf
*pf
, enum i40e_vsi_type type
,
732 struct i40e_vsi
*start_vsi
);
734 void i40e_vsi_setup_queue_map(struct i40e_vsi
*vsi
,
735 struct i40e_vsi_context
*ctxt
,
736 u8 enabled_tc
, bool is_add
);
738 void i40e_service_event_schedule(struct i40e_pf
*pf
);
739 void i40e_notify_client_of_vf_msg(struct i40e_vsi
*vsi
, u32 vf_id
,
742 int i40e_vsi_control_rings(struct i40e_vsi
*vsi
, bool enable
);
743 int i40e_reconfig_rss_queues(struct i40e_pf
*pf
, int queue_count
);
744 struct i40e_veb
*i40e_veb_setup(struct i40e_pf
*pf
, u16 flags
, u16 uplink_seid
,
745 u16 downlink_seid
, u8 enabled_tc
);
746 void i40e_veb_release(struct i40e_veb
*veb
);
748 int i40e_veb_config_tc(struct i40e_veb
*veb
, u8 enabled_tc
);
749 int i40e_vsi_add_pvid(struct i40e_vsi
*vsi
, u16 vid
);
750 void i40e_vsi_remove_pvid(struct i40e_vsi
*vsi
);
751 void i40e_vsi_reset_stats(struct i40e_vsi
*vsi
);
752 void i40e_pf_reset_stats(struct i40e_pf
*pf
);
753 #ifdef CONFIG_DEBUG_FS
754 void i40e_dbg_pf_init(struct i40e_pf
*pf
);
755 void i40e_dbg_pf_exit(struct i40e_pf
*pf
);
756 void i40e_dbg_init(void);
757 void i40e_dbg_exit(void);
759 static inline void i40e_dbg_pf_init(struct i40e_pf
*pf
) {}
760 static inline void i40e_dbg_pf_exit(struct i40e_pf
*pf
) {}
761 static inline void i40e_dbg_init(void) {}
762 static inline void i40e_dbg_exit(void) {}
763 #endif /* CONFIG_DEBUG_FS*/
764 /* needed by client drivers */
765 int i40e_lan_add_device(struct i40e_pf
*pf
);
766 int i40e_lan_del_device(struct i40e_pf
*pf
);
767 void i40e_client_subtask(struct i40e_pf
*pf
);
768 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi
*vsi
);
769 void i40e_notify_client_of_netdev_open(struct i40e_vsi
*vsi
);
770 void i40e_notify_client_of_netdev_close(struct i40e_vsi
*vsi
, bool reset
);
771 void i40e_notify_client_of_vf_enable(struct i40e_pf
*pf
, u32 num_vfs
);
772 void i40e_notify_client_of_vf_reset(struct i40e_pf
*pf
, u32 vf_id
);
773 int i40e_vf_client_capable(struct i40e_pf
*pf
, u32 vf_id
,
774 enum i40e_client_type type
);
776 * i40e_irq_dynamic_enable - Enable default interrupt generation settings
777 * @vsi: pointer to a vsi
778 * @vector: enable a particular Hw Interrupt vector, without base_vector
780 static inline void i40e_irq_dynamic_enable(struct i40e_vsi
*vsi
, int vector
)
782 struct i40e_pf
*pf
= vsi
->back
;
783 struct i40e_hw
*hw
= &pf
->hw
;
786 /* definitely clear the PBA here, as this function is meant to
787 * clean out all previous interrupts AND enable the interrupt
789 val
= I40E_PFINT_DYN_CTLN_INTENA_MASK
|
790 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK
|
791 (I40E_ITR_NONE
<< I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT
);
792 wr32(hw
, I40E_PFINT_DYN_CTLN(vector
+ vsi
->base_vector
- 1), val
);
796 void i40e_irq_dynamic_disable_icr0(struct i40e_pf
*pf
);
797 void i40e_irq_dynamic_enable_icr0(struct i40e_pf
*pf
, bool clearpba
);
799 struct rtnl_link_stats64
*i40e_get_netdev_stats_struct(
800 struct net_device
*netdev
,
801 struct rtnl_link_stats64
*storage
);
802 int i40e_set_mac(struct net_device
*netdev
, void *p
);
803 void i40e_set_rx_mode(struct net_device
*netdev
);
805 int i40e_ioctl(struct net_device
*netdev
, struct ifreq
*ifr
, int cmd
);
807 void i40e_tx_timeout(struct net_device
*netdev
);
808 int i40e_vlan_rx_add_vid(struct net_device
*netdev
,
809 __always_unused __be16 proto
, u16 vid
);
810 int i40e_vlan_rx_kill_vid(struct net_device
*netdev
,
811 __always_unused __be16 proto
, u16 vid
);
813 int i40e_open(struct net_device
*netdev
);
814 int i40e_close(struct net_device
*netdev
);
815 int i40e_vsi_open(struct i40e_vsi
*vsi
);
816 void i40e_vlan_stripping_disable(struct i40e_vsi
*vsi
);
817 int i40e_vsi_add_vlan(struct i40e_vsi
*vsi
, s16 vid
);
818 int i40e_vsi_kill_vlan(struct i40e_vsi
*vsi
, s16 vid
);
819 struct i40e_mac_filter
*i40e_put_mac_in_vlan(struct i40e_vsi
*vsi
, u8
*macaddr
,
820 bool is_vf
, bool is_netdev
);
821 int i40e_del_mac_all_vlan(struct i40e_vsi
*vsi
, u8
*macaddr
,
822 bool is_vf
, bool is_netdev
);
823 bool i40e_is_vsi_in_vlan(struct i40e_vsi
*vsi
);
824 struct i40e_mac_filter
*i40e_find_mac(struct i40e_vsi
*vsi
, u8
*macaddr
,
825 bool is_vf
, bool is_netdev
);
827 int __i40e_setup_tc(struct net_device
*netdev
, u32 handle
, __be16 proto
,
828 struct tc_to_netdev
*tc
);
829 void i40e_netpoll(struct net_device
*netdev
);
830 int i40e_fcoe_enable(struct net_device
*netdev
);
831 int i40e_fcoe_disable(struct net_device
*netdev
);
832 int i40e_fcoe_vsi_init(struct i40e_vsi
*vsi
, struct i40e_vsi_context
*ctxt
);
833 u8
i40e_get_fcoe_tc_map(struct i40e_pf
*pf
);
834 void i40e_fcoe_config_netdev(struct net_device
*netdev
, struct i40e_vsi
*vsi
);
835 void i40e_fcoe_vsi_setup(struct i40e_pf
*pf
);
836 void i40e_init_pf_fcoe(struct i40e_pf
*pf
);
837 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi
*vsi
);
838 void i40e_fcoe_free_ddp_resources(struct i40e_vsi
*vsi
);
839 int i40e_fcoe_handle_offload(struct i40e_ring
*rx_ring
,
840 union i40e_rx_desc
*rx_desc
,
841 struct sk_buff
*skb
);
842 void i40e_fcoe_handle_status(struct i40e_ring
*rx_ring
,
843 union i40e_rx_desc
*rx_desc
, u8 prog_id
);
844 #endif /* I40E_FCOE */
845 void i40e_vlan_stripping_enable(struct i40e_vsi
*vsi
);
846 #ifdef CONFIG_I40E_DCB
847 void i40e_dcbnl_flush_apps(struct i40e_pf
*pf
,
848 struct i40e_dcbx_config
*old_cfg
,
849 struct i40e_dcbx_config
*new_cfg
);
850 void i40e_dcbnl_set_all(struct i40e_vsi
*vsi
);
851 void i40e_dcbnl_setup(struct i40e_vsi
*vsi
);
852 bool i40e_dcb_need_reconfig(struct i40e_pf
*pf
,
853 struct i40e_dcbx_config
*old_cfg
,
854 struct i40e_dcbx_config
*new_cfg
);
855 #endif /* CONFIG_I40E_DCB */
856 void i40e_ptp_rx_hang(struct i40e_vsi
*vsi
);
857 void i40e_ptp_tx_hwtstamp(struct i40e_pf
*pf
);
858 void i40e_ptp_rx_hwtstamp(struct i40e_pf
*pf
, struct sk_buff
*skb
, u8 index
);
859 void i40e_ptp_set_increment(struct i40e_pf
*pf
);
860 int i40e_ptp_set_ts_config(struct i40e_pf
*pf
, struct ifreq
*ifr
);
861 int i40e_ptp_get_ts_config(struct i40e_pf
*pf
, struct ifreq
*ifr
);
862 void i40e_ptp_init(struct i40e_pf
*pf
);
863 void i40e_ptp_stop(struct i40e_pf
*pf
);
864 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi
*vsi
);
865 i40e_status
i40e_get_npar_bw_setting(struct i40e_pf
*pf
);
866 i40e_status
i40e_set_npar_bw_setting(struct i40e_pf
*pf
);
867 i40e_status
i40e_commit_npar_bw_setting(struct i40e_pf
*pf
);
868 void i40e_print_link_message(struct i40e_vsi
*vsi
, bool isup
);
869 #endif /* _I40E_H_ */