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/hashtable.h>
43 #include <linux/string.h>
46 #include <linux/sctp.h>
47 #include <linux/pkt_sched.h>
48 #include <linux/ipv6.h>
49 #include <net/checksum.h>
50 #include <net/ip6_checksum.h>
51 #include <linux/ethtool.h>
52 #include <linux/if_vlan.h>
53 #include <linux/if_bridge.h>
54 #include <linux/clocksource.h>
55 #include <linux/net_tstamp.h>
56 #include <linux/ptp_clock_kernel.h>
57 #include "i40e_type.h"
58 #include "i40e_prototype.h"
60 #include "i40e_fcoe.h"
62 #include "i40e_client.h"
63 #include "i40e_virtchnl.h"
64 #include "i40e_virtchnl_pf.h"
65 #include "i40e_txrx.h"
68 /* Useful i40e defaults */
69 #define I40E_MAX_VEB 16
71 #define I40E_MAX_NUM_DESCRIPTORS 4096
72 #define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024)
73 #define I40E_DEFAULT_NUM_DESCRIPTORS 512
74 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32
75 #define I40E_MIN_NUM_DESCRIPTORS 64
76 #define I40E_MIN_MSIX 2
77 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */
78 #define I40E_MIN_VSI_ALLOC 83 /* LAN, ATR, FCOE, 64 VF */
80 #define i40e_default_queues_per_vmdq(pf) \
81 (((pf)->flags & I40E_FLAG_RSS_AQ_CAPABLE) ? 4 : 1)
82 #define I40E_DEFAULT_QUEUES_PER_VF 4
83 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */
84 #define i40e_pf_get_max_q_per_tc(pf) \
85 (((pf)->flags & I40E_FLAG_128_QP_RSS_CAPABLE) ? 128 : 64)
86 #define I40E_FDIR_RING 0
87 #define I40E_FDIR_RING_COUNT 32
89 #define I40E_DEFAULT_FCOE 8 /* default number of QPs for FCoE */
90 #define I40E_MINIMUM_FCOE 1 /* minimum number of QPs for FCoE */
91 #endif /* I40E_FCOE */
92 #define I40E_MAX_AQ_BUF_SIZE 4096
93 #define I40E_AQ_LEN 256
94 #define I40E_AQ_WORK_LIMIT 66 /* max number of VFs + a little */
95 #define I40E_MAX_USER_PRIORITY 8
96 #define I40E_DEFAULT_TRAFFIC_CLASS BIT(0)
97 #define I40E_DEFAULT_MSG_ENABLE 4
98 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10
99 #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 16)
101 /* Ethtool Private Flags */
102 #define I40E_PRIV_FLAGS_MFP_FLAG BIT(0)
103 #define I40E_PRIV_FLAGS_LINKPOLL_FLAG BIT(1)
104 #define I40E_PRIV_FLAGS_FD_ATR BIT(2)
105 #define I40E_PRIV_FLAGS_VEB_STATS BIT(3)
106 #define I40E_PRIV_FLAGS_HW_ATR_EVICT BIT(4)
107 #define I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT BIT(5)
109 #define I40E_NVM_VERSION_LO_SHIFT 0
110 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT)
111 #define I40E_NVM_VERSION_HI_SHIFT 12
112 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT)
113 #define I40E_OEM_VER_BUILD_MASK 0xffff
114 #define I40E_OEM_VER_PATCH_MASK 0xff
115 #define I40E_OEM_VER_BUILD_SHIFT 8
116 #define I40E_OEM_VER_SHIFT 24
117 #define I40E_PHY_DEBUG_ALL \
118 (I40E_AQ_PHY_DEBUG_DISABLE_LINK_FW | \
119 I40E_AQ_PHY_DEBUG_DISABLE_ALL_LINK_FW)
121 /* The values in here are decimal coded as hex as is the case in the NVM map*/
122 #define I40E_CURRENT_NVM_VERSION_HI 0x2
123 #define I40E_CURRENT_NVM_VERSION_LO 0x40
125 #define I40E_RX_DESC(R, i) \
126 (&(((union i40e_32byte_rx_desc *)((R)->desc))[i]))
127 #define I40E_TX_DESC(R, i) \
128 (&(((struct i40e_tx_desc *)((R)->desc))[i]))
129 #define I40E_TX_CTXTDESC(R, i) \
130 (&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
131 #define I40E_TX_FDIRDESC(R, i) \
132 (&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
134 /* default to trying for four seconds */
135 #define I40E_TRY_LINK_TIMEOUT (4 * HZ)
138 * i40e_is_mac_710 - Return true if MAC is X710/XL710
139 * @hw: ptr to the hardware info
141 static inline bool i40e_is_mac_710(struct i40e_hw *hw)
143 if ((hw->mac.type == I40E_MAC_X710) ||
144 (hw->mac.type == I40E_MAC_XL710))
150 /* driver state flags */
156 __I40E_NEEDS_RESTART,
157 __I40E_SERVICE_SCHED,
158 __I40E_ADMINQ_EVENT_PENDING,
159 __I40E_MDD_EVENT_PENDING,
160 __I40E_VFLR_EVENT_PENDING,
161 __I40E_RESET_RECOVERY_PENDING,
162 __I40E_RESET_INTR_RECEIVED,
163 __I40E_REINIT_REQUESTED,
164 __I40E_PF_RESET_REQUESTED,
165 __I40E_CORE_RESET_REQUESTED,
166 __I40E_GLOBAL_RESET_REQUESTED,
167 __I40E_EMP_RESET_REQUESTED,
168 __I40E_EMP_RESET_INTR_RECEIVED,
169 __I40E_FILTER_OVERFLOW_PROMISC,
171 __I40E_PTP_TX_IN_PROGRESS,
173 __I40E_DOWN_REQUESTED,
174 __I40E_FD_FLUSH_REQUESTED,
176 __I40E_PORT_TX_SUSPENDED,
180 enum i40e_interrupt_policy {
181 I40E_INTERRUPT_BEST_CASE,
182 I40E_INTERRUPT_MEDIUM,
183 I40E_INTERRUPT_LOWEST
186 struct i40e_lump_tracking {
190 #define I40E_PILE_VALID_BIT 0x8000
191 #define I40E_IWARP_IRQ_PILE_ID (I40E_PILE_VALID_BIT - 2)
194 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20
195 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512
196 #define I40E_FDIR_BUFFER_FULL_MARGIN 10
197 #define I40E_FDIR_BUFFER_HEAD_ROOM 32
198 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)
200 #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
201 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
202 #define I40E_VF_HLUT_ARRAY_SIZE ((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4)
204 enum i40e_fd_stat_idx {
207 I40E_FD_STAT_ATR_TUNNEL,
208 I40E_FD_STAT_PF_COUNT
210 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
211 #define I40E_FD_ATR_STAT_IDX(pf_id) \
212 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
213 #define I40E_FD_SB_STAT_IDX(pf_id) \
214 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
215 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
216 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)
218 struct i40e_fdir_filter {
219 struct hlist_node fdir_node;
220 /* filter ipnut set */
223 /* TX packet view of src and dst */
240 #define I40E_ETH_P_LLDP 0x88cc
242 #define I40E_DCB_PRIO_TYPE_STRICT 0
243 #define I40E_DCB_PRIO_TYPE_ETS 1
244 #define I40E_DCB_STRICT_PRIO_CREDITS 127
245 /* DCB per TC information data structure */
246 struct i40e_tc_info {
247 u16 qoffset; /* Queue offset from base queue */
248 u16 qcount; /* Total Queues */
249 u8 netdev_tc; /* Netdev TC index if netdev associated */
252 /* TC configuration data structure */
253 struct i40e_tc_configuration {
254 u8 numtc; /* Total number of enabled TCs */
255 u8 enabled_tc; /* TC map */
256 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
259 struct i40e_udp_port_config {
264 /* struct that defines the Ethernet device */
266 struct pci_dev *pdev;
269 struct msix_entry *msix_entries;
270 bool fc_autoneg_status;
273 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */
274 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */
275 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */
276 u16 num_req_vfs; /* num VFs requested for this VF */
277 u16 num_vf_qps; /* num queue pairs per VF */
279 u16 num_fcoe_qps; /* num fcoe queues this PF has set up */
280 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */
281 #endif /* I40E_FCOE */
282 u16 num_lan_qps; /* num lan queues this PF has set up */
283 u16 num_lan_msix; /* num queue vectors for the base PF vsi */
284 u16 num_fdsb_msix; /* num queue vectors for sideband Fdir */
285 u16 num_iwarp_msix; /* num of iwarp vectors for this PF */
286 int iwarp_base_vector;
287 int queues_left; /* queues left unclaimed */
288 u16 alloc_rss_size; /* allocated RSS queues */
289 u16 rss_size_max; /* HW defined max RSS queues */
290 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */
291 u16 num_alloc_vsi; /* num VSIs this driver supports */
295 struct hlist_head fdir_filter_list;
296 u16 fdir_pf_active_filters;
297 unsigned long fd_flush_timestamp;
303 struct i40e_udp_port_config udp_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
304 u16 pending_udp_bitmap;
306 enum i40e_interrupt_policy int_policy;
310 char int_name[I40E_INT_NAME_STR_LEN];
311 u16 adminq_work_limit; /* num of admin receive queue desc to process */
312 unsigned long service_timer_period;
313 unsigned long service_timer_previous;
314 struct timer_list service_timer;
315 struct work_struct service_task;
318 #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1)
319 #define I40E_FLAG_MSI_ENABLED BIT_ULL(2)
320 #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3)
321 #define I40E_FLAG_RSS_ENABLED BIT_ULL(6)
322 #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7)
323 #define I40E_FLAG_FDIR_REQUIRES_REINIT BIT_ULL(8)
324 #define I40E_FLAG_NEED_LINK_UPDATE BIT_ULL(9)
325 #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10)
327 #define I40E_FLAG_FCOE_ENABLED BIT_ULL(11)
328 #endif /* I40E_FCOE */
329 #define I40E_FLAG_CLEAN_ADMINQ BIT_ULL(14)
330 #define I40E_FLAG_FILTER_SYNC BIT_ULL(15)
331 #define I40E_FLAG_SERVICE_CLIENT_REQUESTED BIT_ULL(16)
332 #define I40E_FLAG_PROCESS_MDD_EVENT BIT_ULL(17)
333 #define I40E_FLAG_PROCESS_VFLR_EVENT BIT_ULL(18)
334 #define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19)
335 #define I40E_FLAG_DCB_ENABLED BIT_ULL(20)
336 #define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21)
337 #define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22)
338 #define I40E_FLAG_PTP BIT_ULL(25)
339 #define I40E_FLAG_MFP_ENABLED BIT_ULL(26)
340 #define I40E_FLAG_UDP_FILTER_SYNC BIT_ULL(27)
341 #define I40E_FLAG_PORT_ID_VALID BIT_ULL(28)
342 #define I40E_FLAG_DCB_CAPABLE BIT_ULL(29)
343 #define I40E_FLAG_RSS_AQ_CAPABLE BIT_ULL(31)
344 #define I40E_FLAG_HW_ATR_EVICT_CAPABLE BIT_ULL(32)
345 #define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE BIT_ULL(33)
346 #define I40E_FLAG_128_QP_RSS_CAPABLE BIT_ULL(34)
347 #define I40E_FLAG_WB_ON_ITR_CAPABLE BIT_ULL(35)
348 #define I40E_FLAG_VEB_STATS_ENABLED BIT_ULL(37)
349 #define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(38)
350 #define I40E_FLAG_LINK_POLLING_ENABLED BIT_ULL(39)
351 #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40)
352 #define I40E_FLAG_GENEVE_OFFLOAD_CAPABLE BIT_ULL(41)
353 #define I40E_FLAG_NO_PCI_LINK_CHECK BIT_ULL(42)
354 #define I40E_FLAG_100M_SGMII_CAPABLE BIT_ULL(43)
355 #define I40E_FLAG_RESTART_AUTONEG BIT_ULL(44)
356 #define I40E_FLAG_NO_DCB_SUPPORT BIT_ULL(45)
357 #define I40E_FLAG_USE_SET_LLDP_MIB BIT_ULL(46)
358 #define I40E_FLAG_STOP_FW_LLDP BIT_ULL(47)
359 #define I40E_FLAG_HAVE_10GBASET_PHY BIT_ULL(48)
360 #define I40E_FLAG_PF_MAC BIT_ULL(50)
361 #define I40E_FLAG_TRUE_PROMISC_SUPPORT BIT_ULL(51)
363 /* tracks features that get auto disabled by errors */
364 u64 auto_disable_flags;
367 struct i40e_fcoe fcoe;
369 #endif /* I40E_FCOE */
370 bool stat_offsets_loaded;
371 struct i40e_hw_port_stats stats;
372 struct i40e_hw_port_stats stats_offsets;
373 u32 tx_timeout_count;
374 u32 tx_timeout_recovery_level;
375 unsigned long tx_timeout_last_recovery;
376 u32 tx_sluggish_count;
377 u32 hw_csum_rx_error;
379 u16 corer_count; /* Core reset count */
380 u16 globr_count; /* Global reset count */
381 u16 empr_count; /* EMP reset count */
382 u16 pfr_count; /* PF reset count */
383 u16 sw_int_count; /* SW interrupt count */
385 struct mutex switch_mutex;
386 u16 lan_vsi; /* our default LAN VSI */
387 u16 lan_veb; /* initial relay, if exists */
388 #define I40E_NO_VEB 0xffff
389 #define I40E_NO_VSI 0xffff
390 u16 next_vsi; /* Next unallocated VSI - 0-based! */
391 struct i40e_vsi **vsi;
392 struct i40e_veb *veb[I40E_MAX_VEB];
394 struct i40e_lump_tracking *qp_pile;
395 struct i40e_lump_tracking *irq_pile;
397 /* switch config info */
401 struct kobject *switch_kobj;
402 #ifdef CONFIG_DEBUG_FS
403 struct dentry *i40e_dbg_pf;
404 #endif /* CONFIG_DEBUG_FS */
407 u16 instance; /* A unique number per i40e_pf instance in the system */
409 /* sr-iov config info */
411 int num_alloc_vfs; /* actual number of VFs allocated */
413 u32 arq_overflows; /* Not fatal, possibly indicative of problems */
415 /* DCBx/DCBNL capability for PF that indicates
416 * whether DCBx is managed by firmware or host
417 * based agent (LLDPAD). Also, indicates what
418 * flavor of DCBx protocol (IEEE/CEE) is supported
419 * by the device. For now we're supporting IEEE
424 u32 fcoe_hmc_filt_num;
425 u32 fcoe_hmc_cntx_num;
426 struct i40e_filter_control_settings filter_settings;
428 struct ptp_clock *ptp_clock;
429 struct ptp_clock_info ptp_caps;
430 struct sk_buff *ptp_tx_skb;
431 struct hwtstamp_config tstamp_config;
432 unsigned long last_rx_ptp_check;
433 spinlock_t tmreg_lock; /* Used to protect the device time registers. */
435 u32 tx_hwtstamp_timeouts;
436 u32 rx_hwtstamp_cleared;
439 u16 rss_table_size; /* HW RSS table size */
440 /* These are only valid in NPAR modes */
450 * i40e_mac_to_hkey - Convert a 6-byte MAC Address to a u64 hash key
451 * @macaddr: the MAC Address as the base key
453 * Simply copies the address and returns it as a u64 for hashing
455 static inline u64 i40e_addr_to_hkey(const u8 *macaddr)
459 ether_addr_copy((u8 *)&key, macaddr);
463 enum i40e_filter_state {
464 I40E_FILTER_INVALID = 0, /* Invalid state */
465 I40E_FILTER_NEW, /* New, not sent to FW yet */
466 I40E_FILTER_ACTIVE, /* Added to switch by FW */
467 I40E_FILTER_FAILED, /* Rejected by FW */
468 I40E_FILTER_REMOVE, /* To be removed */
469 /* There is no 'removed' state; the filter struct is freed */
471 struct i40e_mac_filter {
472 struct hlist_node hlist;
473 u8 macaddr[ETH_ALEN];
474 #define I40E_VLAN_ANY -1
476 enum i40e_filter_state state;
482 u16 veb_idx; /* index of VEB parent */
485 u16 stats_idx; /* index of VEB parent */
487 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */
492 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
493 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
494 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
495 struct kobject *kobj;
496 bool stat_offsets_loaded;
497 struct i40e_eth_stats stats;
498 struct i40e_eth_stats stats_offsets;
499 struct i40e_veb_tc_stats tc_stats;
500 struct i40e_veb_tc_stats tc_stats_offsets;
503 /* struct that defines a VSI, associated with a dev */
505 struct net_device *netdev;
506 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
507 bool netdev_registered;
508 bool stat_offsets_loaded;
510 u32 current_netdev_flags;
512 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0)
513 #define I40E_VSI_FLAG_VEB_OWNER BIT(1)
516 /* Per VSI lock to protect elements/hash (MAC filter) */
517 spinlock_t mac_filter_hash_lock;
518 /* Fixed size hash table with 2^8 buckets for MAC filters */
519 DECLARE_HASHTABLE(mac_filter_hash, 8);
522 struct rtnl_link_stats64 net_stats;
523 struct rtnl_link_stats64 net_stats_offsets;
524 struct i40e_eth_stats eth_stats;
525 struct i40e_eth_stats eth_stats_offsets;
527 struct i40e_fcoe_stats fcoe_stats;
528 struct i40e_fcoe_stats fcoe_stats_offsets;
529 bool fcoe_stat_offsets_loaded;
535 u64 tx_lost_interrupt;
539 /* These are containers of ring pointers, allocated at run-time */
540 struct i40e_ring **rx_rings;
541 struct i40e_ring **tx_rings;
544 u32 promisc_threshold;
547 u16 int_rate_limit; /* value in usecs */
549 u16 rss_table_size; /* HW RSS table size */
550 u16 rss_size; /* Allocated RSS queues */
551 u8 *rss_hkey_user; /* User configured hash keys */
552 u8 *rss_lut_user; /* User configured lookup table entries */
558 /* List of q_vectors allocated to this VSI */
559 struct i40e_q_vector **q_vectors;
564 u16 seid; /* HW index of this VSI (absolute index) */
565 u16 id; /* VSI number */
568 u16 base_queue; /* vsi's first queue in hw array */
569 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
570 u16 req_queue_pairs; /* User requested queue pairs */
571 u16 num_queue_pairs; /* Used tx and rx pairs */
573 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */
574 s16 vf_id; /* Virtual function ID for SRIOV VSIs */
576 struct i40e_tc_configuration tc_config;
577 struct i40e_aqc_vsi_properties_data info;
579 /* VSI BW limit (absolute across all TCs) */
580 u16 bw_limit; /* VSI BW Limit (0 = disabled) */
581 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */
583 /* Relative TC credits across VSIs */
584 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
585 /* TC BW limit credits within VSI */
586 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
587 /* TC BW limit max quanta within VSI */
588 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
590 struct i40e_pf *back; /* Backreference to associated PF */
591 u16 idx; /* index in pf->vsi[] */
592 u16 veb_idx; /* index of VEB parent */
593 struct kobject *kobj; /* sysfs object */
594 bool current_isup; /* Sync 'link up' logging */
596 void *priv; /* client driver data reference. */
598 /* VSI specific handlers */
599 irqreturn_t (*irq_handler)(int irq, void *data);
600 } ____cacheline_internodealigned_in_smp;
602 struct i40e_netdev_priv {
603 struct i40e_vsi *vsi;
606 /* struct that defines an interrupt vector */
607 struct i40e_q_vector {
608 struct i40e_vsi *vsi;
610 u16 v_idx; /* index in the vsi->q_vector array. */
611 u16 reg_idx; /* register index of the interrupt */
613 struct napi_struct napi;
615 struct i40e_ring_container rx;
616 struct i40e_ring_container tx;
618 u8 num_ringpairs; /* total number of ring pairs in vector */
620 #define I40E_Q_VECTOR_HUNG_DETECT 0 /* Bit Index for hung detection logic */
621 unsigned long hung_detected; /* Set/Reset for hung_detection logic */
623 cpumask_t affinity_mask;
624 struct irq_affinity_notify affinity_notify;
626 struct rcu_head rcu; /* to avoid race with update stats on free */
627 char name[I40E_INT_NAME_STR_LEN];
629 #define ITR_COUNTDOWN_START 100
630 u8 itr_countdown; /* when 0 should adjust ITR */
631 } ____cacheline_internodealigned_in_smp;
635 struct list_head list;
640 * i40e_nvm_version_str - format the NVM version strings
641 * @hw: ptr to the hardware info
643 static inline char *i40e_nvm_version_str(struct i40e_hw *hw)
650 full_ver = hw->nvm.oem_ver;
651 ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT);
652 build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) &
653 I40E_OEM_VER_BUILD_MASK);
654 patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK);
656 snprintf(buf, sizeof(buf),
657 "%x.%02x 0x%x %d.%d.%d",
658 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
659 I40E_NVM_VERSION_HI_SHIFT,
660 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
661 I40E_NVM_VERSION_LO_SHIFT,
662 hw->nvm.eetrack, ver, build, patch);
668 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
669 * @netdev: the corresponding netdev
671 * Return the PF struct for the given netdev
673 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
675 struct i40e_netdev_priv *np = netdev_priv(netdev);
676 struct i40e_vsi *vsi = np->vsi;
681 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
682 irqreturn_t (*irq_handler)(int, void *))
684 vsi->irq_handler = irq_handler;
688 * i40e_rx_is_programming_status - check for programming status descriptor
689 * @qw: the first quad word of the program status descriptor
691 * The value of in the descriptor length field indicate if this
692 * is a programming status descriptor for flow director or FCoE
693 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
694 * it is a packet descriptor.
696 static inline bool i40e_rx_is_programming_status(u64 qw)
698 return I40E_RX_PROG_STATUS_DESC_LENGTH ==
699 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
703 * i40e_get_fd_cnt_all - get the total FD filter space available
704 * @pf: pointer to the PF struct
706 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
708 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
711 /* needed by i40e_ethtool.c */
712 int i40e_up(struct i40e_vsi *vsi);
713 void i40e_down(struct i40e_vsi *vsi);
714 extern const char i40e_driver_name[];
715 extern const char i40e_driver_version_str[];
716 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
717 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
718 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
719 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
720 void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut,
721 u16 rss_table_size, u16 rss_size);
722 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id);
723 void i40e_update_stats(struct i40e_vsi *vsi);
724 void i40e_update_eth_stats(struct i40e_vsi *vsi);
725 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
726 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
729 int i40e_add_del_fdir(struct i40e_vsi *vsi,
730 struct i40e_fdir_filter *input, bool add);
731 void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
732 u32 i40e_get_current_fd_count(struct i40e_pf *pf);
733 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
734 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf);
735 u32 i40e_get_global_fd_count(struct i40e_pf *pf);
736 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
737 void i40e_set_ethtool_ops(struct net_device *netdev);
738 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
739 const u8 *macaddr, s16 vlan);
740 void i40e_del_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan);
741 int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
742 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
743 u16 uplink, u32 param1);
744 int i40e_vsi_release(struct i40e_vsi *vsi);
746 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
747 struct i40e_vsi_context *ctxt,
748 u8 enabled_tc, bool is_add);
750 void i40e_service_event_schedule(struct i40e_pf *pf);
751 void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id,
754 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
755 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
756 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
757 u16 downlink_seid, u8 enabled_tc);
758 void i40e_veb_release(struct i40e_veb *veb);
760 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
761 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
762 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
763 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
764 void i40e_pf_reset_stats(struct i40e_pf *pf);
765 #ifdef CONFIG_DEBUG_FS
766 void i40e_dbg_pf_init(struct i40e_pf *pf);
767 void i40e_dbg_pf_exit(struct i40e_pf *pf);
768 void i40e_dbg_init(void);
769 void i40e_dbg_exit(void);
771 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
772 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
773 static inline void i40e_dbg_init(void) {}
774 static inline void i40e_dbg_exit(void) {}
775 #endif /* CONFIG_DEBUG_FS*/
776 /* needed by client drivers */
777 int i40e_lan_add_device(struct i40e_pf *pf);
778 int i40e_lan_del_device(struct i40e_pf *pf);
779 void i40e_client_subtask(struct i40e_pf *pf);
780 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi);
781 void i40e_notify_client_of_netdev_open(struct i40e_vsi *vsi);
782 void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset);
783 void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs);
784 void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id);
785 int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id,
786 enum i40e_client_type type);
788 * i40e_irq_dynamic_enable - Enable default interrupt generation settings
789 * @vsi: pointer to a vsi
790 * @vector: enable a particular Hw Interrupt vector, without base_vector
792 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector)
794 struct i40e_pf *pf = vsi->back;
795 struct i40e_hw *hw = &pf->hw;
798 /* definitely clear the PBA here, as this function is meant to
799 * clean out all previous interrupts AND enable the interrupt
801 val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
802 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
803 (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
804 wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val);
808 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
809 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf, bool clearpba);
811 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
812 struct net_device *netdev,
813 struct rtnl_link_stats64 *storage);
814 int i40e_set_mac(struct net_device *netdev, void *p);
815 void i40e_set_rx_mode(struct net_device *netdev);
817 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
819 void i40e_tx_timeout(struct net_device *netdev);
820 int i40e_vlan_rx_add_vid(struct net_device *netdev,
821 __always_unused __be16 proto, u16 vid);
822 int i40e_vlan_rx_kill_vid(struct net_device *netdev,
823 __always_unused __be16 proto, u16 vid);
825 int i40e_open(struct net_device *netdev);
826 int i40e_close(struct net_device *netdev);
827 int i40e_vsi_open(struct i40e_vsi *vsi);
828 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
829 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
830 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
831 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi,
833 int i40e_del_mac_all_vlan(struct i40e_vsi *vsi, const u8 *macaddr);
834 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
835 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, const u8 *macaddr);
837 int __i40e_setup_tc(struct net_device *netdev, u32 handle, __be16 proto,
838 struct tc_to_netdev *tc);
839 void i40e_netpoll(struct net_device *netdev);
840 int i40e_fcoe_enable(struct net_device *netdev);
841 int i40e_fcoe_disable(struct net_device *netdev);
842 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt);
843 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf);
844 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi);
845 void i40e_fcoe_vsi_setup(struct i40e_pf *pf);
846 void i40e_init_pf_fcoe(struct i40e_pf *pf);
847 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi);
848 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi);
849 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring,
850 union i40e_rx_desc *rx_desc,
851 struct sk_buff *skb);
852 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring,
853 union i40e_rx_desc *rx_desc, u8 prog_id);
854 #endif /* I40E_FCOE */
855 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
856 #ifdef CONFIG_I40E_DCB
857 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
858 struct i40e_dcbx_config *old_cfg,
859 struct i40e_dcbx_config *new_cfg);
860 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
861 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
862 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
863 struct i40e_dcbx_config *old_cfg,
864 struct i40e_dcbx_config *new_cfg);
865 #endif /* CONFIG_I40E_DCB */
866 void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
867 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
868 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
869 void i40e_ptp_set_increment(struct i40e_pf *pf);
870 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
871 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
872 void i40e_ptp_init(struct i40e_pf *pf);
873 void i40e_ptp_stop(struct i40e_pf *pf);
874 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
875 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf);
876 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf);
877 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf);
878 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup);
879 #endif /* _I40E_H_ */