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_NPAR_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(5)
106 #define I40E_NVM_VERSION_LO_SHIFT 0
107 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT)
108 #define I40E_NVM_VERSION_HI_SHIFT 12
109 #define I40E_NVM_VERSION_HI_MASK (0xf << I40E_NVM_VERSION_HI_SHIFT)
110 #define I40E_OEM_VER_BUILD_MASK 0xffff
111 #define I40E_OEM_VER_PATCH_MASK 0xff
112 #define I40E_OEM_VER_BUILD_SHIFT 8
113 #define I40E_OEM_VER_SHIFT 24
114 #define I40E_PHY_DEBUG_PORT BIT(4)
116 /* The values in here are decimal coded as hex as is the case in the NVM map*/
117 #define I40E_CURRENT_NVM_VERSION_HI 0x2
118 #define I40E_CURRENT_NVM_VERSION_LO 0x40
120 /* magic for getting defines into strings */
121 #define STRINGIFY(foo) #foo
122 #define XSTRINGIFY(bar) STRINGIFY(bar)
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_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)
360 /* tracks features that get auto disabled by errors */
361 u64 auto_disable_flags;
364 struct i40e_fcoe fcoe;
366 #endif /* I40E_FCOE */
367 bool stat_offsets_loaded;
368 struct i40e_hw_port_stats stats;
369 struct i40e_hw_port_stats stats_offsets;
370 u32 tx_timeout_count;
371 u32 tx_timeout_recovery_level;
372 unsigned long tx_timeout_last_recovery;
373 u32 tx_sluggish_count;
374 u32 hw_csum_rx_error;
376 u16 corer_count; /* Core reset count */
377 u16 globr_count; /* Global reset count */
378 u16 empr_count; /* EMP reset count */
379 u16 pfr_count; /* PF reset count */
380 u16 sw_int_count; /* SW interrupt count */
382 struct mutex switch_mutex;
383 u16 lan_vsi; /* our default LAN VSI */
384 u16 lan_veb; /* initial relay, if exists */
385 #define I40E_NO_VEB 0xffff
386 #define I40E_NO_VSI 0xffff
387 u16 next_vsi; /* Next unallocated VSI - 0-based! */
388 struct i40e_vsi **vsi;
389 struct i40e_veb *veb[I40E_MAX_VEB];
391 struct i40e_lump_tracking *qp_pile;
392 struct i40e_lump_tracking *irq_pile;
394 /* switch config info */
398 struct kobject *switch_kobj;
399 #ifdef CONFIG_DEBUG_FS
400 struct dentry *i40e_dbg_pf;
401 #endif /* CONFIG_DEBUG_FS */
404 u16 instance; /* A unique number per i40e_pf instance in the system */
406 /* sr-iov config info */
408 int num_alloc_vfs; /* actual number of VFs allocated */
410 u32 arq_overflows; /* Not fatal, possibly indicative of problems */
412 /* DCBx/DCBNL capability for PF that indicates
413 * whether DCBx is managed by firmware or host
414 * based agent (LLDPAD). Also, indicates what
415 * flavor of DCBx protocol (IEEE/CEE) is supported
416 * by the device. For now we're supporting IEEE
421 u32 fcoe_hmc_filt_num;
422 u32 fcoe_hmc_cntx_num;
423 struct i40e_filter_control_settings filter_settings;
425 struct ptp_clock *ptp_clock;
426 struct ptp_clock_info ptp_caps;
427 struct sk_buff *ptp_tx_skb;
428 struct hwtstamp_config tstamp_config;
429 unsigned long last_rx_ptp_check;
430 spinlock_t tmreg_lock; /* Used to protect the device time registers. */
432 u32 tx_hwtstamp_timeouts;
433 u32 rx_hwtstamp_cleared;
436 u16 rss_table_size; /* HW RSS table size */
437 /* These are only valid in NPAR modes */
446 struct i40e_mac_filter {
447 struct list_head list;
448 u8 macaddr[ETH_ALEN];
449 #define I40E_VLAN_ANY -1
451 u8 counter; /* number of instances of this filter */
452 bool is_vf; /* filter belongs to a VF */
453 bool is_netdev; /* filter belongs to a netdev */
454 bool changed; /* filter needs to be sync'd to the HW */
455 bool is_laa; /* filter is a Locally Administered Address */
461 u16 veb_idx; /* index of VEB parent */
464 u16 stats_idx; /* index of VEB parent */
466 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */
471 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
472 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
473 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
474 struct kobject *kobj;
475 bool stat_offsets_loaded;
476 struct i40e_eth_stats stats;
477 struct i40e_eth_stats stats_offsets;
478 struct i40e_veb_tc_stats tc_stats;
479 struct i40e_veb_tc_stats tc_stats_offsets;
482 /* struct that defines a VSI, associated with a dev */
484 struct net_device *netdev;
485 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
486 bool netdev_registered;
487 bool stat_offsets_loaded;
489 u32 current_netdev_flags;
491 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0)
492 #define I40E_VSI_FLAG_VEB_OWNER BIT(1)
495 /* Per VSI lock to protect elements/list (MAC filter) */
496 spinlock_t mac_filter_list_lock;
497 struct list_head mac_filter_list;
500 struct rtnl_link_stats64 net_stats;
501 struct rtnl_link_stats64 net_stats_offsets;
502 struct i40e_eth_stats eth_stats;
503 struct i40e_eth_stats eth_stats_offsets;
505 struct i40e_fcoe_stats fcoe_stats;
506 struct i40e_fcoe_stats fcoe_stats_offsets;
507 bool fcoe_stat_offsets_loaded;
513 u64 tx_lost_interrupt;
517 /* These are containers of ring pointers, allocated at run-time */
518 struct i40e_ring **rx_rings;
519 struct i40e_ring **tx_rings;
522 u16 int_rate_limit; /* value in usecs */
524 u16 rss_table_size; /* HW RSS table size */
525 u16 rss_size; /* Allocated RSS queues */
526 u8 *rss_hkey_user; /* User configured hash keys */
527 u8 *rss_lut_user; /* User configured lookup table entries */
532 /* List of q_vectors allocated to this VSI */
533 struct i40e_q_vector **q_vectors;
538 u16 seid; /* HW index of this VSI (absolute index) */
539 u16 id; /* VSI number */
542 u16 base_queue; /* vsi's first queue in hw array */
543 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
544 u16 req_queue_pairs; /* User requested queue pairs */
545 u16 num_queue_pairs; /* Used tx and rx pairs */
547 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */
548 s16 vf_id; /* Virtual function ID for SRIOV VSIs */
550 struct i40e_tc_configuration tc_config;
551 struct i40e_aqc_vsi_properties_data info;
553 /* VSI BW limit (absolute across all TCs) */
554 u16 bw_limit; /* VSI BW Limit (0 = disabled) */
555 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */
557 /* Relative TC credits across VSIs */
558 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
559 /* TC BW limit credits within VSI */
560 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
561 /* TC BW limit max quanta within VSI */
562 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
564 struct i40e_pf *back; /* Backreference to associated PF */
565 u16 idx; /* index in pf->vsi[] */
566 u16 veb_idx; /* index of VEB parent */
567 struct kobject *kobj; /* sysfs object */
568 bool current_isup; /* Sync 'link up' logging */
570 void *priv; /* client driver data reference. */
572 /* VSI specific handlers */
573 irqreturn_t (*irq_handler)(int irq, void *data);
575 /* current rxnfc data */
576 struct ethtool_rxnfc rxnfc; /* current rss hash opts */
577 } ____cacheline_internodealigned_in_smp;
579 struct i40e_netdev_priv {
580 struct i40e_vsi *vsi;
583 /* struct that defines an interrupt vector */
584 struct i40e_q_vector {
585 struct i40e_vsi *vsi;
587 u16 v_idx; /* index in the vsi->q_vector array. */
588 u16 reg_idx; /* register index of the interrupt */
590 struct napi_struct napi;
592 struct i40e_ring_container rx;
593 struct i40e_ring_container tx;
595 u8 num_ringpairs; /* total number of ring pairs in vector */
597 #define I40E_Q_VECTOR_HUNG_DETECT 0 /* Bit Index for hung detection logic */
598 unsigned long hung_detected; /* Set/Reset for hung_detection logic */
600 cpumask_t affinity_mask;
601 struct rcu_head rcu; /* to avoid race with update stats on free */
602 char name[I40E_INT_NAME_STR_LEN];
604 #define ITR_COUNTDOWN_START 100
605 u8 itr_countdown; /* when 0 should adjust ITR */
606 } ____cacheline_internodealigned_in_smp;
610 struct list_head list;
615 * i40e_nvm_version_str - format the NVM version strings
616 * @hw: ptr to the hardware info
618 static inline char *i40e_nvm_version_str(struct i40e_hw *hw)
625 full_ver = hw->nvm.oem_ver;
626 ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT);
627 build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) &
628 I40E_OEM_VER_BUILD_MASK);
629 patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK);
631 snprintf(buf, sizeof(buf),
632 "%x.%02x 0x%x %d.%d.%d",
633 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
634 I40E_NVM_VERSION_HI_SHIFT,
635 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
636 I40E_NVM_VERSION_LO_SHIFT,
637 hw->nvm.eetrack, ver, build, patch);
643 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
644 * @netdev: the corresponding netdev
646 * Return the PF struct for the given netdev
648 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
650 struct i40e_netdev_priv *np = netdev_priv(netdev);
651 struct i40e_vsi *vsi = np->vsi;
656 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
657 irqreturn_t (*irq_handler)(int, void *))
659 vsi->irq_handler = irq_handler;
663 * i40e_rx_is_programming_status - check for programming status descriptor
664 * @qw: the first quad word of the program status descriptor
666 * The value of in the descriptor length field indicate if this
667 * is a programming status descriptor for flow director or FCoE
668 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
669 * it is a packet descriptor.
671 static inline bool i40e_rx_is_programming_status(u64 qw)
673 return I40E_RX_PROG_STATUS_DESC_LENGTH ==
674 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
678 * i40e_get_fd_cnt_all - get the total FD filter space available
679 * @pf: pointer to the PF struct
681 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
683 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
686 /* needed by i40e_ethtool.c */
687 int i40e_up(struct i40e_vsi *vsi);
688 void i40e_down(struct i40e_vsi *vsi);
689 extern const char i40e_driver_name[];
690 extern const char i40e_driver_version_str[];
691 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
692 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
693 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
694 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
695 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id);
696 void i40e_update_stats(struct i40e_vsi *vsi);
697 void i40e_update_eth_stats(struct i40e_vsi *vsi);
698 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
699 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
702 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet,
703 struct i40e_pf *pf, bool add);
704 int i40e_add_del_fdir(struct i40e_vsi *vsi,
705 struct i40e_fdir_filter *input, bool add);
706 void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
707 u32 i40e_get_current_fd_count(struct i40e_pf *pf);
708 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
709 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf);
710 u32 i40e_get_global_fd_count(struct i40e_pf *pf);
711 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
712 void i40e_set_ethtool_ops(struct net_device *netdev);
713 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
714 u8 *macaddr, s16 vlan,
715 bool is_vf, bool is_netdev);
716 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan,
717 bool is_vf, bool is_netdev);
718 int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
719 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
720 u16 uplink, u32 param1);
721 int i40e_vsi_release(struct i40e_vsi *vsi);
722 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type,
723 struct i40e_vsi *start_vsi);
725 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
726 struct i40e_vsi_context *ctxt,
727 u8 enabled_tc, bool is_add);
729 void i40e_service_event_schedule(struct i40e_pf *pf);
730 void i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id,
733 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
734 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
735 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
736 u16 downlink_seid, u8 enabled_tc);
737 void i40e_veb_release(struct i40e_veb *veb);
739 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
740 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
741 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
742 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
743 void i40e_pf_reset_stats(struct i40e_pf *pf);
744 #ifdef CONFIG_DEBUG_FS
745 void i40e_dbg_pf_init(struct i40e_pf *pf);
746 void i40e_dbg_pf_exit(struct i40e_pf *pf);
747 void i40e_dbg_init(void);
748 void i40e_dbg_exit(void);
750 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
751 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
752 static inline void i40e_dbg_init(void) {}
753 static inline void i40e_dbg_exit(void) {}
754 #endif /* CONFIG_DEBUG_FS*/
755 /* needed by client drivers */
756 int i40e_lan_add_device(struct i40e_pf *pf);
757 int i40e_lan_del_device(struct i40e_pf *pf);
758 void i40e_client_subtask(struct i40e_pf *pf);
759 void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi);
760 void i40e_notify_client_of_netdev_open(struct i40e_vsi *vsi);
761 void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset);
762 void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs);
763 void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id);
764 int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id,
765 enum i40e_client_type type);
767 * i40e_irq_dynamic_enable - Enable default interrupt generation settings
768 * @vsi: pointer to a vsi
769 * @vector: enable a particular Hw Interrupt vector, without base_vector
771 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector)
773 struct i40e_pf *pf = vsi->back;
774 struct i40e_hw *hw = &pf->hw;
777 /* definitely clear the PBA here, as this function is meant to
778 * clean out all previous interrupts AND enable the interrupt
780 val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
781 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
782 (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
783 wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val);
787 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
788 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf, bool clearpba);
790 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
791 struct net_device *netdev,
792 struct rtnl_link_stats64 *storage);
793 int i40e_set_mac(struct net_device *netdev, void *p);
794 void i40e_set_rx_mode(struct net_device *netdev);
796 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
798 void i40e_tx_timeout(struct net_device *netdev);
799 int i40e_vlan_rx_add_vid(struct net_device *netdev,
800 __always_unused __be16 proto, u16 vid);
801 int i40e_vlan_rx_kill_vid(struct net_device *netdev,
802 __always_unused __be16 proto, u16 vid);
804 int i40e_open(struct net_device *netdev);
805 int i40e_close(struct net_device *netdev);
806 int i40e_vsi_open(struct i40e_vsi *vsi);
807 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
808 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
809 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
810 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr,
811 bool is_vf, bool is_netdev);
812 int i40e_del_mac_all_vlan(struct i40e_vsi *vsi, u8 *macaddr,
813 bool is_vf, bool is_netdev);
814 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
815 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr,
816 bool is_vf, bool is_netdev);
818 int __i40e_setup_tc(struct net_device *netdev, u32 handle, __be16 proto,
819 struct tc_to_netdev *tc);
820 void i40e_netpoll(struct net_device *netdev);
821 int i40e_fcoe_enable(struct net_device *netdev);
822 int i40e_fcoe_disable(struct net_device *netdev);
823 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt);
824 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf);
825 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi);
826 void i40e_fcoe_vsi_setup(struct i40e_pf *pf);
827 void i40e_init_pf_fcoe(struct i40e_pf *pf);
828 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi);
829 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi);
830 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring,
831 union i40e_rx_desc *rx_desc,
832 struct sk_buff *skb);
833 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring,
834 union i40e_rx_desc *rx_desc, u8 prog_id);
835 #endif /* I40E_FCOE */
836 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
837 #ifdef CONFIG_I40E_DCB
838 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
839 struct i40e_dcbx_config *old_cfg,
840 struct i40e_dcbx_config *new_cfg);
841 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
842 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
843 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
844 struct i40e_dcbx_config *old_cfg,
845 struct i40e_dcbx_config *new_cfg);
846 #endif /* CONFIG_I40E_DCB */
847 void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
848 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
849 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
850 void i40e_ptp_set_increment(struct i40e_pf *pf);
851 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
852 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
853 void i40e_ptp_init(struct i40e_pf *pf);
854 void i40e_ptp_stop(struct i40e_pf *pf);
855 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
856 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf);
857 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf);
858 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf);
859 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup);
860 #endif /* _I40E_H_ */