1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2015 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_virtchnl.h"
62 #include "i40e_virtchnl_pf.h"
63 #include "i40e_txrx.h"
66 /* Useful i40e defaults */
67 #define I40E_BASE_PF_SEID 16
68 #define I40E_BASE_VSI_SEID 512
69 #define I40E_BASE_VEB_SEID 288
70 #define I40E_MAX_VEB 16
72 #define I40E_MAX_NUM_DESCRIPTORS 4096
73 #define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024)
74 #define I40E_DEFAULT_NUM_DESCRIPTORS 512
75 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32
76 #define I40E_MIN_NUM_DESCRIPTORS 64
77 #define I40E_MIN_MSIX 2
78 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */
79 #define I40E_MIN_VSI_ALLOC 51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */
81 #define i40e_default_queues_per_vmdq(pf) \
82 (((pf)->flags & I40E_FLAG_RSS_AQ_CAPABLE) ? 4 : 1)
83 #define I40E_DEFAULT_QUEUES_PER_VF 4
84 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */
85 #define i40e_pf_get_max_q_per_tc(pf) \
86 (((pf)->flags & I40E_FLAG_128_QP_RSS_CAPABLE) ? 128 : 64)
87 #define I40E_FDIR_RING 0
88 #define I40E_FDIR_RING_COUNT 32
90 #define I40E_DEFAULT_FCOE 8 /* default number of QPs for FCoE */
91 #define I40E_MINIMUM_FCOE 1 /* minimum number of QPs for FCoE */
92 #endif /* I40E_FCOE */
93 #define I40E_MAX_AQ_BUF_SIZE 4096
94 #define I40E_AQ_LEN 256
95 #define I40E_AQ_WORK_LIMIT 66 /* max number of VFs + a little */
96 #define I40E_MAX_USER_PRIORITY 8
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_NPAR_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_PS BIT(4)
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
117 /* The values in here are decimal coded as hex as is the case in the NVM map*/
118 #define I40E_CURRENT_NVM_VERSION_HI 0x2
119 #define I40E_CURRENT_NVM_VERSION_LO 0x40
121 /* magic for getting defines into strings */
122 #define STRINGIFY(foo) #foo
123 #define XSTRINGIFY(bar) STRINGIFY(bar)
125 #define I40E_RX_DESC(R, i) \
126 ((ring_is_16byte_desc_enabled(R)) \
127 ? (union i40e_32byte_rx_desc *) \
128 (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \
129 : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i])))
130 #define I40E_TX_DESC(R, i) \
131 (&(((struct i40e_tx_desc *)((R)->desc))[i]))
132 #define I40E_TX_CTXTDESC(R, i) \
133 (&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
134 #define I40E_TX_FDIRDESC(R, i) \
135 (&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
137 /* default to trying for four seconds */
138 #define I40E_TRY_LINK_TIMEOUT (4 * HZ)
140 /* driver state flags */
146 __I40E_NEEDS_RESTART,
147 __I40E_SERVICE_SCHED,
148 __I40E_ADMINQ_EVENT_PENDING,
149 __I40E_MDD_EVENT_PENDING,
150 __I40E_VFLR_EVENT_PENDING,
151 __I40E_RESET_RECOVERY_PENDING,
152 __I40E_RESET_INTR_RECEIVED,
153 __I40E_REINIT_REQUESTED,
154 __I40E_PF_RESET_REQUESTED,
155 __I40E_CORE_RESET_REQUESTED,
156 __I40E_GLOBAL_RESET_REQUESTED,
157 __I40E_EMP_RESET_REQUESTED,
158 __I40E_EMP_RESET_INTR_RECEIVED,
159 __I40E_FILTER_OVERFLOW_PROMISC,
161 __I40E_PTP_TX_IN_PROGRESS,
163 __I40E_DOWN_REQUESTED,
164 __I40E_FD_FLUSH_REQUESTED,
166 __I40E_PORT_TX_SUSPENDED,
170 enum i40e_interrupt_policy {
171 I40E_INTERRUPT_BEST_CASE,
172 I40E_INTERRUPT_MEDIUM,
173 I40E_INTERRUPT_LOWEST
176 struct i40e_lump_tracking {
180 #define I40E_PILE_VALID_BIT 0x8000
183 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20
184 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512
185 #define I40E_FDIR_BUFFER_FULL_MARGIN 10
186 #define I40E_FDIR_BUFFER_HEAD_ROOM 32
187 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)
189 #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
190 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
192 enum i40e_fd_stat_idx {
195 I40E_FD_STAT_ATR_TUNNEL,
196 I40E_FD_STAT_PF_COUNT
198 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
199 #define I40E_FD_ATR_STAT_IDX(pf_id) \
200 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
201 #define I40E_FD_SB_STAT_IDX(pf_id) \
202 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
203 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
204 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)
206 struct i40e_fdir_filter {
207 struct hlist_node fdir_node;
208 /* filter ipnut set */
211 /* TX packet view of src and dst */
228 #define I40E_ETH_P_LLDP 0x88cc
230 #define I40E_DCB_PRIO_TYPE_STRICT 0
231 #define I40E_DCB_PRIO_TYPE_ETS 1
232 #define I40E_DCB_STRICT_PRIO_CREDITS 127
233 #define I40E_MAX_USER_PRIORITY 8
234 /* DCB per TC information data structure */
235 struct i40e_tc_info {
236 u16 qoffset; /* Queue offset from base queue */
237 u16 qcount; /* Total Queues */
238 u8 netdev_tc; /* Netdev TC index if netdev associated */
241 /* TC configuration data structure */
242 struct i40e_tc_configuration {
243 u8 numtc; /* Total number of enabled TCs */
244 u8 enabled_tc; /* TC map */
245 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
248 struct i40e_udp_port_config {
253 /* struct that defines the Ethernet device */
255 struct pci_dev *pdev;
258 struct msix_entry *msix_entries;
259 bool fc_autoneg_status;
262 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */
263 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */
264 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */
265 u16 num_req_vfs; /* num VFs requested for this VF */
266 u16 num_vf_qps; /* num queue pairs per VF */
268 u16 num_fcoe_qps; /* num fcoe queues this PF has set up */
269 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */
270 #endif /* I40E_FCOE */
271 u16 num_lan_qps; /* num lan queues this PF has set up */
272 u16 num_lan_msix; /* num queue vectors for the base PF vsi */
273 int queues_left; /* queues left unclaimed */
274 u16 alloc_rss_size; /* allocated RSS queues */
275 u16 rss_size_max; /* HW defined max RSS queues */
276 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */
277 u16 num_alloc_vsi; /* num VSIs this driver supports */
281 struct hlist_head fdir_filter_list;
282 u16 fdir_pf_active_filters;
283 unsigned long fd_flush_timestamp;
289 struct i40e_udp_port_config udp_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
290 u16 pending_udp_bitmap;
292 enum i40e_interrupt_policy int_policy;
296 char int_name[I40E_INT_NAME_STR_LEN];
297 u16 adminq_work_limit; /* num of admin receive queue desc to process */
298 unsigned long service_timer_period;
299 unsigned long service_timer_previous;
300 struct timer_list service_timer;
301 struct work_struct service_task;
304 #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1)
305 #define I40E_FLAG_MSI_ENABLED BIT_ULL(2)
306 #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3)
307 #define I40E_FLAG_RX_1BUF_ENABLED BIT_ULL(4)
308 #define I40E_FLAG_RX_PS_ENABLED BIT_ULL(5)
309 #define I40E_FLAG_RSS_ENABLED BIT_ULL(6)
310 #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7)
311 #define I40E_FLAG_FDIR_REQUIRES_REINIT BIT_ULL(8)
312 #define I40E_FLAG_NEED_LINK_UPDATE BIT_ULL(9)
313 #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10)
315 #define I40E_FLAG_FCOE_ENABLED BIT_ULL(11)
316 #endif /* I40E_FCOE */
317 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED BIT_ULL(13)
318 #define I40E_FLAG_CLEAN_ADMINQ BIT_ULL(14)
319 #define I40E_FLAG_FILTER_SYNC BIT_ULL(15)
320 #define I40E_FLAG_PROCESS_MDD_EVENT BIT_ULL(17)
321 #define I40E_FLAG_PROCESS_VFLR_EVENT BIT_ULL(18)
322 #define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19)
323 #define I40E_FLAG_DCB_ENABLED BIT_ULL(20)
324 #define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21)
325 #define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22)
326 #define I40E_FLAG_PTP BIT_ULL(25)
327 #define I40E_FLAG_MFP_ENABLED BIT_ULL(26)
328 #define I40E_FLAG_UDP_FILTER_SYNC BIT_ULL(27)
329 #define I40E_FLAG_PORT_ID_VALID BIT_ULL(28)
330 #define I40E_FLAG_DCB_CAPABLE BIT_ULL(29)
331 #define I40E_FLAG_RSS_AQ_CAPABLE BIT_ULL(31)
332 #define I40E_FLAG_HW_ATR_EVICT_CAPABLE BIT_ULL(32)
333 #define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE BIT_ULL(33)
334 #define I40E_FLAG_128_QP_RSS_CAPABLE BIT_ULL(34)
335 #define I40E_FLAG_WB_ON_ITR_CAPABLE BIT_ULL(35)
336 #define I40E_FLAG_VEB_STATS_ENABLED BIT_ULL(37)
337 #define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(38)
338 #define I40E_FLAG_LINK_POLLING_ENABLED BIT_ULL(39)
339 #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40)
340 #define I40E_FLAG_GENEVE_OFFLOAD_CAPABLE BIT_ULL(41)
341 #define I40E_FLAG_NO_PCI_LINK_CHECK BIT_ULL(42)
342 #define I40E_FLAG_100M_SGMII_CAPABLE BIT_ULL(43)
343 #define I40E_FLAG_RESTART_AUTONEG BIT_ULL(44)
344 #define I40E_FLAG_PF_MAC BIT_ULL(50)
346 /* tracks features that get auto disabled by errors */
347 u64 auto_disable_flags;
350 struct i40e_fcoe fcoe;
352 #endif /* I40E_FCOE */
353 bool stat_offsets_loaded;
354 struct i40e_hw_port_stats stats;
355 struct i40e_hw_port_stats stats_offsets;
356 u32 tx_timeout_count;
357 u32 tx_timeout_recovery_level;
358 unsigned long tx_timeout_last_recovery;
359 u32 tx_sluggish_count;
360 u32 hw_csum_rx_error;
362 u16 corer_count; /* Core reset count */
363 u16 globr_count; /* Global reset count */
364 u16 empr_count; /* EMP reset count */
365 u16 pfr_count; /* PF reset count */
366 u16 sw_int_count; /* SW interrupt count */
368 struct mutex switch_mutex;
369 u16 lan_vsi; /* our default LAN VSI */
370 u16 lan_veb; /* initial relay, if exists */
371 #define I40E_NO_VEB 0xffff
372 #define I40E_NO_VSI 0xffff
373 u16 next_vsi; /* Next unallocated VSI - 0-based! */
374 struct i40e_vsi **vsi;
375 struct i40e_veb *veb[I40E_MAX_VEB];
377 struct i40e_lump_tracking *qp_pile;
378 struct i40e_lump_tracking *irq_pile;
380 /* switch config info */
384 struct kobject *switch_kobj;
385 #ifdef CONFIG_DEBUG_FS
386 struct dentry *i40e_dbg_pf;
387 #endif /* CONFIG_DEBUG_FS */
390 u16 instance; /* A unique number per i40e_pf instance in the system */
392 /* sr-iov config info */
394 int num_alloc_vfs; /* actual number of VFs allocated */
397 /* DCBx/DCBNL capability for PF that indicates
398 * whether DCBx is managed by firmware or host
399 * based agent (LLDPAD). Also, indicates what
400 * flavor of DCBx protocol (IEEE/CEE) is supported
401 * by the device. For now we're supporting IEEE
406 u32 fcoe_hmc_filt_num;
407 u32 fcoe_hmc_cntx_num;
408 struct i40e_filter_control_settings filter_settings;
410 struct ptp_clock *ptp_clock;
411 struct ptp_clock_info ptp_caps;
412 struct sk_buff *ptp_tx_skb;
413 struct hwtstamp_config tstamp_config;
414 unsigned long last_rx_ptp_check;
415 spinlock_t tmreg_lock; /* Used to protect the device time registers. */
417 u32 tx_hwtstamp_timeouts;
418 u32 rx_hwtstamp_cleared;
421 u16 rss_table_size; /* HW RSS table size */
422 /* These are only valid in NPAR modes */
430 struct i40e_mac_filter {
431 struct list_head list;
432 u8 macaddr[ETH_ALEN];
433 #define I40E_VLAN_ANY -1
435 u8 counter; /* number of instances of this filter */
436 bool is_vf; /* filter belongs to a VF */
437 bool is_netdev; /* filter belongs to a netdev */
438 bool changed; /* filter needs to be sync'd to the HW */
439 bool is_laa; /* filter is a Locally Administered Address */
445 u16 veb_idx; /* index of VEB parent */
448 u16 stats_idx; /* index of VEB parent */
450 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */
455 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
456 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
457 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
458 struct kobject *kobj;
459 bool stat_offsets_loaded;
460 struct i40e_eth_stats stats;
461 struct i40e_eth_stats stats_offsets;
462 struct i40e_veb_tc_stats tc_stats;
463 struct i40e_veb_tc_stats tc_stats_offsets;
466 /* struct that defines a VSI, associated with a dev */
468 struct net_device *netdev;
469 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
470 bool netdev_registered;
471 bool stat_offsets_loaded;
473 u32 current_netdev_flags;
475 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0)
476 #define I40E_VSI_FLAG_VEB_OWNER BIT(1)
479 /* Per VSI lock to protect elements/list (MAC filter) */
480 spinlock_t mac_filter_list_lock;
481 struct list_head mac_filter_list;
484 struct rtnl_link_stats64 net_stats;
485 struct rtnl_link_stats64 net_stats_offsets;
486 struct i40e_eth_stats eth_stats;
487 struct i40e_eth_stats eth_stats_offsets;
489 struct i40e_fcoe_stats fcoe_stats;
490 struct i40e_fcoe_stats fcoe_stats_offsets;
491 bool fcoe_stat_offsets_loaded;
500 /* These are containers of ring pointers, allocated at run-time */
501 struct i40e_ring **rx_rings;
502 struct i40e_ring **tx_rings;
505 /* high bit set means dynamic, use accessor routines to read/write.
506 * hardware only supports 2us resolution for the ITR registers.
507 * these values always store the USER setting, and must be converted
508 * before programming to a register.
512 u16 int_rate_limit; /* value in usecs */
514 u16 rss_table_size; /* HW RSS table size */
515 u16 rss_size; /* Allocated RSS queues */
516 u8 *rss_hkey_user; /* User configured hash keys */
517 u8 *rss_lut_user; /* User configured lookup table entries */
524 /* List of q_vectors allocated to this VSI */
525 struct i40e_q_vector **q_vectors;
530 u16 seid; /* HW index of this VSI (absolute index) */
531 u16 id; /* VSI number */
534 u16 base_queue; /* vsi's first queue in hw array */
535 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
536 u16 req_queue_pairs; /* User requested queue pairs */
537 u16 num_queue_pairs; /* Used tx and rx pairs */
539 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */
540 u16 vf_id; /* Virtual function ID for SRIOV VSIs */
542 struct i40e_tc_configuration tc_config;
543 struct i40e_aqc_vsi_properties_data info;
545 /* VSI BW limit (absolute across all TCs) */
546 u16 bw_limit; /* VSI BW Limit (0 = disabled) */
547 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */
549 /* Relative TC credits across VSIs */
550 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
551 /* TC BW limit credits within VSI */
552 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
553 /* TC BW limit max quanta within VSI */
554 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
556 struct i40e_pf *back; /* Backreference to associated PF */
557 u16 idx; /* index in pf->vsi[] */
558 u16 veb_idx; /* index of VEB parent */
559 struct kobject *kobj; /* sysfs object */
560 bool current_isup; /* Sync 'link up' logging */
562 /* VSI specific handlers */
563 irqreturn_t (*irq_handler)(int irq, void *data);
565 /* current rxnfc data */
566 struct ethtool_rxnfc rxnfc; /* current rss hash opts */
567 } ____cacheline_internodealigned_in_smp;
569 struct i40e_netdev_priv {
570 struct i40e_vsi *vsi;
573 /* struct that defines an interrupt vector */
574 struct i40e_q_vector {
575 struct i40e_vsi *vsi;
577 u16 v_idx; /* index in the vsi->q_vector array. */
578 u16 reg_idx; /* register index of the interrupt */
580 struct napi_struct napi;
582 struct i40e_ring_container rx;
583 struct i40e_ring_container tx;
585 u8 num_ringpairs; /* total number of ring pairs in vector */
587 #define I40E_Q_VECTOR_HUNG_DETECT 0 /* Bit Index for hung detection logic */
588 unsigned long hung_detected; /* Set/Reset for hung_detection logic */
590 cpumask_t affinity_mask;
591 struct rcu_head rcu; /* to avoid race with update stats on free */
592 char name[I40E_INT_NAME_STR_LEN];
594 #define ITR_COUNTDOWN_START 100
595 u8 itr_countdown; /* when 0 should adjust ITR */
596 } ____cacheline_internodealigned_in_smp;
600 struct list_head list;
605 * i40e_nvm_version_str - format the NVM version strings
606 * @hw: ptr to the hardware info
608 static inline char *i40e_nvm_version_str(struct i40e_hw *hw)
615 full_ver = hw->nvm.oem_ver;
616 ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT);
617 build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT) &
618 I40E_OEM_VER_BUILD_MASK);
619 patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK);
621 snprintf(buf, sizeof(buf),
622 "%x.%02x 0x%x %d.%d.%d",
623 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
624 I40E_NVM_VERSION_HI_SHIFT,
625 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
626 I40E_NVM_VERSION_LO_SHIFT,
627 hw->nvm.eetrack, ver, build, patch);
633 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
634 * @netdev: the corresponding netdev
636 * Return the PF struct for the given netdev
638 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
640 struct i40e_netdev_priv *np = netdev_priv(netdev);
641 struct i40e_vsi *vsi = np->vsi;
646 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
647 irqreturn_t (*irq_handler)(int, void *))
649 vsi->irq_handler = irq_handler;
653 * i40e_rx_is_programming_status - check for programming status descriptor
654 * @qw: the first quad word of the program status descriptor
656 * The value of in the descriptor length field indicate if this
657 * is a programming status descriptor for flow director or FCoE
658 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
659 * it is a packet descriptor.
661 static inline bool i40e_rx_is_programming_status(u64 qw)
663 return I40E_RX_PROG_STATUS_DESC_LENGTH ==
664 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
668 * i40e_get_fd_cnt_all - get the total FD filter space available
669 * @pf: pointer to the PF struct
671 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
673 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
676 /* needed by i40e_ethtool.c */
677 int i40e_up(struct i40e_vsi *vsi);
678 void i40e_down(struct i40e_vsi *vsi);
679 extern const char i40e_driver_name[];
680 extern const char i40e_driver_version_str[];
681 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
682 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
683 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
684 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
685 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id);
686 void i40e_update_stats(struct i40e_vsi *vsi);
687 void i40e_update_eth_stats(struct i40e_vsi *vsi);
688 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
689 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
692 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet,
693 struct i40e_pf *pf, bool add);
694 int i40e_add_del_fdir(struct i40e_vsi *vsi,
695 struct i40e_fdir_filter *input, bool add);
696 void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
697 u32 i40e_get_current_fd_count(struct i40e_pf *pf);
698 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
699 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf);
700 u32 i40e_get_global_fd_count(struct i40e_pf *pf);
701 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
702 void i40e_set_ethtool_ops(struct net_device *netdev);
703 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
704 u8 *macaddr, s16 vlan,
705 bool is_vf, bool is_netdev);
706 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan,
707 bool is_vf, bool is_netdev);
708 int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
709 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
710 u16 uplink, u32 param1);
711 int i40e_vsi_release(struct i40e_vsi *vsi);
712 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type,
713 struct i40e_vsi *start_vsi);
715 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
716 struct i40e_vsi_context *ctxt,
717 u8 enabled_tc, bool is_add);
719 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
720 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
721 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
722 u16 downlink_seid, u8 enabled_tc);
723 void i40e_veb_release(struct i40e_veb *veb);
725 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
726 int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
727 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
728 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
729 void i40e_pf_reset_stats(struct i40e_pf *pf);
730 #ifdef CONFIG_DEBUG_FS
731 void i40e_dbg_pf_init(struct i40e_pf *pf);
732 void i40e_dbg_pf_exit(struct i40e_pf *pf);
733 void i40e_dbg_init(void);
734 void i40e_dbg_exit(void);
736 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
737 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
738 static inline void i40e_dbg_init(void) {}
739 static inline void i40e_dbg_exit(void) {}
740 #endif /* CONFIG_DEBUG_FS*/
742 * i40e_irq_dynamic_enable - Enable default interrupt generation settings
743 * @vsi: pointer to a vsi
744 * @vector: enable a particular Hw Interrupt vector, without base_vector
746 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector)
748 struct i40e_pf *pf = vsi->back;
749 struct i40e_hw *hw = &pf->hw;
752 val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
753 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
754 (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
755 wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val);
759 void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector);
760 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
761 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
763 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
764 struct net_device *netdev,
765 struct rtnl_link_stats64 *storage);
766 int i40e_set_mac(struct net_device *netdev, void *p);
767 void i40e_set_rx_mode(struct net_device *netdev);
769 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
771 void i40e_tx_timeout(struct net_device *netdev);
772 int i40e_vlan_rx_add_vid(struct net_device *netdev,
773 __always_unused __be16 proto, u16 vid);
774 int i40e_vlan_rx_kill_vid(struct net_device *netdev,
775 __always_unused __be16 proto, u16 vid);
777 int i40e_open(struct net_device *netdev);
778 int i40e_vsi_open(struct i40e_vsi *vsi);
779 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
780 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
781 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
782 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr,
783 bool is_vf, bool is_netdev);
784 int i40e_del_mac_all_vlan(struct i40e_vsi *vsi, u8 *macaddr,
785 bool is_vf, bool is_netdev);
786 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
787 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr,
788 bool is_vf, bool is_netdev);
790 int i40e_close(struct net_device *netdev);
791 int i40e_setup_tc(struct net_device *netdev, u8 tc);
792 void i40e_netpoll(struct net_device *netdev);
793 int i40e_fcoe_enable(struct net_device *netdev);
794 int i40e_fcoe_disable(struct net_device *netdev);
795 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt);
796 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf);
797 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi);
798 void i40e_fcoe_vsi_setup(struct i40e_pf *pf);
799 void i40e_init_pf_fcoe(struct i40e_pf *pf);
800 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi);
801 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi);
802 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring,
803 union i40e_rx_desc *rx_desc,
804 struct sk_buff *skb);
805 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring,
806 union i40e_rx_desc *rx_desc, u8 prog_id);
807 #endif /* I40E_FCOE */
808 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
809 #ifdef CONFIG_I40E_DCB
810 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
811 struct i40e_dcbx_config *old_cfg,
812 struct i40e_dcbx_config *new_cfg);
813 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
814 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
815 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
816 struct i40e_dcbx_config *old_cfg,
817 struct i40e_dcbx_config *new_cfg);
818 #endif /* CONFIG_I40E_DCB */
819 void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
820 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
821 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
822 void i40e_ptp_set_increment(struct i40e_pf *pf);
823 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
824 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
825 void i40e_ptp_init(struct i40e_pf *pf);
826 void i40e_ptp_stop(struct i40e_pf *pf);
827 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
828 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf);
829 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf);
830 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf);
831 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup);
832 #endif /* _I40E_H_ */