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/tcp.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_virtchnl.h"
63 #include "i40e_virtchnl_pf.h"
64 #include "i40e_txrx.h"
67 /* Useful i40e defaults */
68 #define I40E_BASE_PF_SEID 16
69 #define I40E_BASE_VSI_SEID 512
70 #define I40E_BASE_VEB_SEID 288
71 #define I40E_MAX_VEB 16
73 #define I40E_MAX_NUM_DESCRIPTORS 4096
74 #define I40E_MAX_CSR_SPACE (4 * 1024 * 1024 - 64 * 1024)
75 #define I40E_DEFAULT_NUM_DESCRIPTORS 512
76 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32
77 #define I40E_MIN_NUM_DESCRIPTORS 64
78 #define I40E_MIN_MSIX 2
79 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */
80 #define I40E_MIN_VSI_ALLOC 51 /* LAN, ATR, FCOE, 32 VF, 16 VMDQ */
82 #define i40e_default_queues_per_vmdq(pf) \
83 (((pf)->flags & I40E_FLAG_RSS_AQ_CAPABLE) ? 4 : 1)
84 #define I40E_DEFAULT_QUEUES_PER_VF 4
85 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */
86 #define i40e_pf_get_max_q_per_tc(pf) \
87 (((pf)->flags & I40E_FLAG_128_QP_RSS_CAPABLE) ? 128 : 64)
88 #define I40E_FDIR_RING 0
89 #define I40E_FDIR_RING_COUNT 32
91 #define I40E_DEFAULT_FCOE 8 /* default number of QPs for FCoE */
92 #define I40E_MINIMUM_FCOE 1 /* minimum number of QPs for FCoE */
93 #endif /* I40E_FCOE */
94 #define I40E_MAX_AQ_BUF_SIZE 4096
95 #define I40E_AQ_LEN 256
96 #define I40E_AQ_WORK_LIMIT 66 /* max number of VFs + a little */
97 #define I40E_MAX_USER_PRIORITY 8
98 #define I40E_DEFAULT_MSG_ENABLE 4
99 #define I40E_QUEUE_WAIT_RETRY_LIMIT 10
100 #define I40E_INT_NAME_STR_LEN (IFNAMSIZ + 16)
102 /* Ethtool Private Flags */
103 #define I40E_PRIV_FLAGS_NPAR_FLAG BIT(0)
104 #define I40E_PRIV_FLAGS_LINKPOLL_FLAG BIT(1)
105 #define I40E_PRIV_FLAGS_FD_ATR BIT(2)
106 #define I40E_PRIV_FLAGS_VEB_STATS BIT(3)
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 that defines the Ethernet device */
250 struct pci_dev *pdev;
253 struct msix_entry *msix_entries;
254 bool fc_autoneg_status;
257 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */
258 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */
259 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */
260 u16 num_req_vfs; /* num VFs requested for this VF */
261 u16 num_vf_qps; /* num queue pairs per VF */
263 u16 num_fcoe_qps; /* num fcoe queues this PF has set up */
264 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */
265 #endif /* I40E_FCOE */
266 u16 num_lan_qps; /* num lan queues this PF has set up */
267 u16 num_lan_msix; /* num queue vectors for the base PF vsi */
268 int queues_left; /* queues left unclaimed */
269 u16 rss_size; /* num queues in the RSS array */
270 u16 rss_size_max; /* HW defined max RSS queues */
271 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */
272 u16 num_alloc_vsi; /* num VSIs this driver supports */
276 struct hlist_head fdir_filter_list;
277 u16 fdir_pf_active_filters;
278 unsigned long fd_flush_timestamp;
284 #ifdef CONFIG_I40E_VXLAN
285 __be16 vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
286 u16 pending_vxlan_bitmap;
289 enum i40e_interrupt_policy int_policy;
293 char int_name[I40E_INT_NAME_STR_LEN];
294 u16 adminq_work_limit; /* num of admin receive queue desc to process */
295 unsigned long service_timer_period;
296 unsigned long service_timer_previous;
297 struct timer_list service_timer;
298 struct work_struct service_task;
301 #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1)
302 #define I40E_FLAG_MSI_ENABLED BIT_ULL(2)
303 #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3)
304 #define I40E_FLAG_RX_1BUF_ENABLED BIT_ULL(4)
305 #define I40E_FLAG_RX_PS_ENABLED BIT_ULL(5)
306 #define I40E_FLAG_RSS_ENABLED BIT_ULL(6)
307 #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7)
308 #define I40E_FLAG_FDIR_REQUIRES_REINIT BIT_ULL(8)
309 #define I40E_FLAG_NEED_LINK_UPDATE BIT_ULL(9)
310 #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10)
312 #define I40E_FLAG_FCOE_ENABLED BIT_ULL(11)
313 #endif /* I40E_FCOE */
314 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED BIT_ULL(13)
315 #define I40E_FLAG_CLEAN_ADMINQ BIT_ULL(14)
316 #define I40E_FLAG_FILTER_SYNC BIT_ULL(15)
317 #define I40E_FLAG_PROCESS_MDD_EVENT BIT_ULL(17)
318 #define I40E_FLAG_PROCESS_VFLR_EVENT BIT_ULL(18)
319 #define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19)
320 #define I40E_FLAG_DCB_ENABLED BIT_ULL(20)
321 #define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21)
322 #define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22)
323 #define I40E_FLAG_PTP BIT_ULL(25)
324 #define I40E_FLAG_MFP_ENABLED BIT_ULL(26)
325 #ifdef CONFIG_I40E_VXLAN
326 #define I40E_FLAG_VXLAN_FILTER_SYNC BIT_ULL(27)
328 #define I40E_FLAG_PORT_ID_VALID BIT_ULL(28)
329 #define I40E_FLAG_DCB_CAPABLE BIT_ULL(29)
330 #define I40E_FLAG_RSS_AQ_CAPABLE BIT_ULL(31)
331 #define I40E_FLAG_HW_ATR_EVICT_CAPABLE BIT_ULL(32)
332 #define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE BIT_ULL(33)
333 #define I40E_FLAG_128_QP_RSS_CAPABLE BIT_ULL(34)
334 #define I40E_FLAG_WB_ON_ITR_CAPABLE BIT_ULL(35)
335 #define I40E_FLAG_VEB_STATS_ENABLED BIT_ULL(37)
336 #define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(38)
337 #define I40E_FLAG_LINK_POLLING_ENABLED BIT_ULL(39)
338 #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40)
339 #define I40E_FLAG_NO_PCI_LINK_CHECK BIT_ULL(42)
341 /* tracks features that get auto disabled by errors */
342 u64 auto_disable_flags;
345 struct i40e_fcoe fcoe;
347 #endif /* I40E_FCOE */
348 bool stat_offsets_loaded;
349 struct i40e_hw_port_stats stats;
350 struct i40e_hw_port_stats stats_offsets;
351 u32 tx_timeout_count;
352 u32 tx_timeout_recovery_level;
353 unsigned long tx_timeout_last_recovery;
354 u32 tx_sluggish_count;
355 u32 hw_csum_rx_error;
357 u16 corer_count; /* Core reset count */
358 u16 globr_count; /* Global reset count */
359 u16 empr_count; /* EMP reset count */
360 u16 pfr_count; /* PF reset count */
361 u16 sw_int_count; /* SW interrupt count */
363 struct mutex switch_mutex;
364 u16 lan_vsi; /* our default LAN VSI */
365 u16 lan_veb; /* initial relay, if exists */
366 #define I40E_NO_VEB 0xffff
367 #define I40E_NO_VSI 0xffff
368 u16 next_vsi; /* Next unallocated VSI - 0-based! */
369 struct i40e_vsi **vsi;
370 struct i40e_veb *veb[I40E_MAX_VEB];
372 struct i40e_lump_tracking *qp_pile;
373 struct i40e_lump_tracking *irq_pile;
375 /* switch config info */
379 struct kobject *switch_kobj;
380 #ifdef CONFIG_DEBUG_FS
381 struct dentry *i40e_dbg_pf;
382 #endif /* CONFIG_DEBUG_FS */
385 u16 instance; /* A unique number per i40e_pf instance in the system */
387 /* sr-iov config info */
389 int num_alloc_vfs; /* actual number of VFs allocated */
392 /* DCBx/DCBNL capability for PF that indicates
393 * whether DCBx is managed by firmware or host
394 * based agent (LLDPAD). Also, indicates what
395 * flavor of DCBx protocol (IEEE/CEE) is supported
396 * by the device. For now we're supporting IEEE
401 u32 fcoe_hmc_filt_num;
402 u32 fcoe_hmc_cntx_num;
403 struct i40e_filter_control_settings filter_settings;
405 struct ptp_clock *ptp_clock;
406 struct ptp_clock_info ptp_caps;
407 struct sk_buff *ptp_tx_skb;
408 struct hwtstamp_config tstamp_config;
409 unsigned long last_rx_ptp_check;
410 spinlock_t tmreg_lock; /* Used to protect the device time registers. */
412 u32 tx_hwtstamp_timeouts;
413 u32 rx_hwtstamp_cleared;
417 /* These are only valid in NPAR modes */
425 struct i40e_mac_filter {
426 struct list_head list;
427 u8 macaddr[ETH_ALEN];
428 #define I40E_VLAN_ANY -1
430 u8 counter; /* number of instances of this filter */
431 bool is_vf; /* filter belongs to a VF */
432 bool is_netdev; /* filter belongs to a netdev */
433 bool changed; /* filter needs to be sync'd to the HW */
434 bool is_laa; /* filter is a Locally Administered Address */
440 u16 veb_idx; /* index of VEB parent */
443 u16 stats_idx; /* index of VEB parent */
445 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */
450 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
451 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
452 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
453 struct kobject *kobj;
454 bool stat_offsets_loaded;
455 struct i40e_eth_stats stats;
456 struct i40e_eth_stats stats_offsets;
457 struct i40e_veb_tc_stats tc_stats;
458 struct i40e_veb_tc_stats tc_stats_offsets;
461 /* struct that defines a VSI, associated with a dev */
463 struct net_device *netdev;
464 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
465 bool netdev_registered;
466 bool stat_offsets_loaded;
468 u32 current_netdev_flags;
470 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0)
471 #define I40E_VSI_FLAG_VEB_OWNER BIT(1)
474 /* Per VSI lock to protect elements/list (MAC filter) */
475 spinlock_t mac_filter_list_lock;
476 struct list_head mac_filter_list;
479 struct rtnl_link_stats64 net_stats;
480 struct rtnl_link_stats64 net_stats_offsets;
481 struct i40e_eth_stats eth_stats;
482 struct i40e_eth_stats eth_stats_offsets;
484 struct i40e_fcoe_stats fcoe_stats;
485 struct i40e_fcoe_stats fcoe_stats_offsets;
486 bool fcoe_stat_offsets_loaded;
495 /* These are containers of ring pointers, allocated at run-time */
496 struct i40e_ring **rx_rings;
497 struct i40e_ring **tx_rings;
500 /* high bit set means dynamic, use accessor routines to read/write.
501 * hardware only supports 2us resolution for the ITR registers.
502 * these values always store the USER setting, and must be converted
503 * before programming to a register.
507 u16 int_rate_limit; /* value in usecs */
517 /* List of q_vectors allocated to this VSI */
518 struct i40e_q_vector **q_vectors;
523 u16 seid; /* HW index of this VSI (absolute index) */
524 u16 id; /* VSI number */
527 u16 base_queue; /* vsi's first queue in hw array */
528 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
529 u16 req_queue_pairs; /* User requested queue pairs */
530 u16 num_queue_pairs; /* Used tx and rx pairs */
532 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */
533 u16 vf_id; /* Virtual function ID for SRIOV VSIs */
535 struct i40e_tc_configuration tc_config;
536 struct i40e_aqc_vsi_properties_data info;
538 /* VSI BW limit (absolute across all TCs) */
539 u16 bw_limit; /* VSI BW Limit (0 = disabled) */
540 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */
542 /* Relative TC credits across VSIs */
543 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
544 /* TC BW limit credits within VSI */
545 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
546 /* TC BW limit max quanta within VSI */
547 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
549 struct i40e_pf *back; /* Backreference to associated PF */
550 u16 idx; /* index in pf->vsi[] */
551 u16 veb_idx; /* index of VEB parent */
552 struct kobject *kobj; /* sysfs object */
553 bool current_isup; /* Sync 'link up' logging */
555 /* VSI specific handlers */
556 irqreturn_t (*irq_handler)(int irq, void *data);
558 /* current rxnfc data */
559 struct ethtool_rxnfc rxnfc; /* current rss hash opts */
560 } ____cacheline_internodealigned_in_smp;
562 struct i40e_netdev_priv {
563 struct i40e_vsi *vsi;
566 /* struct that defines an interrupt vector */
567 struct i40e_q_vector {
568 struct i40e_vsi *vsi;
570 u16 v_idx; /* index in the vsi->q_vector array. */
571 u16 reg_idx; /* register index of the interrupt */
573 struct napi_struct napi;
575 struct i40e_ring_container rx;
576 struct i40e_ring_container tx;
578 u8 num_ringpairs; /* total number of ring pairs in vector */
580 cpumask_t affinity_mask;
581 struct rcu_head rcu; /* to avoid race with update stats on free */
582 char name[I40E_INT_NAME_STR_LEN];
584 #define ITR_COUNTDOWN_START 100
585 u8 itr_countdown; /* when 0 should adjust ITR */
586 } ____cacheline_internodealigned_in_smp;
590 struct list_head list;
595 * i40e_nvm_version_str - format the NVM version strings
596 * @hw: ptr to the hardware info
598 static inline char *i40e_nvm_version_str(struct i40e_hw *hw)
605 full_ver = hw->nvm.oem_ver;
606 ver = (u8)(full_ver >> I40E_OEM_VER_SHIFT);
607 build = (u16)((full_ver >> I40E_OEM_VER_BUILD_SHIFT)
608 & I40E_OEM_VER_BUILD_MASK);
609 patch = (u8)(full_ver & I40E_OEM_VER_PATCH_MASK);
611 snprintf(buf, sizeof(buf),
612 "%x.%02x 0x%x %d.%d.%d",
613 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
614 I40E_NVM_VERSION_HI_SHIFT,
615 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
616 I40E_NVM_VERSION_LO_SHIFT,
617 hw->nvm.eetrack, ver, build, patch);
623 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
624 * @netdev: the corresponding netdev
626 * Return the PF struct for the given netdev
628 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
630 struct i40e_netdev_priv *np = netdev_priv(netdev);
631 struct i40e_vsi *vsi = np->vsi;
636 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
637 irqreturn_t (*irq_handler)(int, void *))
639 vsi->irq_handler = irq_handler;
643 * i40e_rx_is_programming_status - check for programming status descriptor
644 * @qw: the first quad word of the program status descriptor
646 * The value of in the descriptor length field indicate if this
647 * is a programming status descriptor for flow director or FCoE
648 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
649 * it is a packet descriptor.
651 static inline bool i40e_rx_is_programming_status(u64 qw)
653 return I40E_RX_PROG_STATUS_DESC_LENGTH ==
654 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
658 * i40e_get_fd_cnt_all - get the total FD filter space available
659 * @pf: pointer to the PF struct
661 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
663 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
666 /* needed by i40e_ethtool.c */
667 int i40e_up(struct i40e_vsi *vsi);
668 void i40e_down(struct i40e_vsi *vsi);
669 extern const char i40e_driver_name[];
670 extern const char i40e_driver_version_str[];
671 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
672 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
673 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id);
674 void i40e_update_stats(struct i40e_vsi *vsi);
675 void i40e_update_eth_stats(struct i40e_vsi *vsi);
676 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
677 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
680 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet,
681 struct i40e_pf *pf, bool add);
682 int i40e_add_del_fdir(struct i40e_vsi *vsi,
683 struct i40e_fdir_filter *input, bool add);
684 void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
685 u32 i40e_get_current_fd_count(struct i40e_pf *pf);
686 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
687 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf);
688 u32 i40e_get_global_fd_count(struct i40e_pf *pf);
689 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
690 void i40e_set_ethtool_ops(struct net_device *netdev);
691 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
692 u8 *macaddr, s16 vlan,
693 bool is_vf, bool is_netdev);
694 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan,
695 bool is_vf, bool is_netdev);
696 int i40e_sync_vsi_filters(struct i40e_vsi *vsi, bool grab_rtnl);
697 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
698 u16 uplink, u32 param1);
699 int i40e_vsi_release(struct i40e_vsi *vsi);
700 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type,
701 struct i40e_vsi *start_vsi);
703 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
704 struct i40e_vsi_context *ctxt,
705 u8 enabled_tc, bool is_add);
707 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
708 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
709 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
710 u16 downlink_seid, u8 enabled_tc);
711 void i40e_veb_release(struct i40e_veb *veb);
713 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
714 i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
715 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
716 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
717 void i40e_pf_reset_stats(struct i40e_pf *pf);
718 #ifdef CONFIG_DEBUG_FS
719 void i40e_dbg_pf_init(struct i40e_pf *pf);
720 void i40e_dbg_pf_exit(struct i40e_pf *pf);
721 void i40e_dbg_init(void);
722 void i40e_dbg_exit(void);
724 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
725 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
726 static inline void i40e_dbg_init(void) {}
727 static inline void i40e_dbg_exit(void) {}
728 #endif /* CONFIG_DEBUG_FS*/
730 * i40e_irq_dynamic_enable - Enable default interrupt generation settings
731 * @vsi: pointer to a vsi
732 * @vector: enable a particular Hw Interrupt vector, without base_vector
734 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector)
736 struct i40e_pf *pf = vsi->back;
737 struct i40e_hw *hw = &pf->hw;
740 val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
741 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
742 (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
743 wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val);
747 void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector);
748 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
749 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
751 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
752 struct net_device *netdev,
753 struct rtnl_link_stats64 *storage);
754 int i40e_set_mac(struct net_device *netdev, void *p);
755 void i40e_set_rx_mode(struct net_device *netdev);
757 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
759 void i40e_tx_timeout(struct net_device *netdev);
760 int i40e_vlan_rx_add_vid(struct net_device *netdev,
761 __always_unused __be16 proto, u16 vid);
762 int i40e_vlan_rx_kill_vid(struct net_device *netdev,
763 __always_unused __be16 proto, u16 vid);
765 int i40e_open(struct net_device *netdev);
766 int i40e_vsi_open(struct i40e_vsi *vsi);
767 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
768 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
769 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
770 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr,
771 bool is_vf, bool is_netdev);
772 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
773 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr,
774 bool is_vf, bool is_netdev);
776 int i40e_close(struct net_device *netdev);
777 int i40e_setup_tc(struct net_device *netdev, u8 tc);
778 void i40e_netpoll(struct net_device *netdev);
779 int i40e_fcoe_enable(struct net_device *netdev);
780 int i40e_fcoe_disable(struct net_device *netdev);
781 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt);
782 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf);
783 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi);
784 void i40e_fcoe_vsi_setup(struct i40e_pf *pf);
785 void i40e_init_pf_fcoe(struct i40e_pf *pf);
786 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi);
787 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi);
788 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring,
789 union i40e_rx_desc *rx_desc,
790 struct sk_buff *skb);
791 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring,
792 union i40e_rx_desc *rx_desc, u8 prog_id);
793 #endif /* I40E_FCOE */
794 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
795 #ifdef CONFIG_I40E_DCB
796 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
797 struct i40e_dcbx_config *old_cfg,
798 struct i40e_dcbx_config *new_cfg);
799 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
800 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
801 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
802 struct i40e_dcbx_config *old_cfg,
803 struct i40e_dcbx_config *new_cfg);
804 #endif /* CONFIG_I40E_DCB */
805 void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
806 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
807 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
808 void i40e_ptp_set_increment(struct i40e_pf *pf);
809 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
810 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
811 void i40e_ptp_init(struct i40e_pf *pf);
812 void i40e_ptp_stop(struct i40e_pf *pf);
813 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
814 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf);
815 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf);
816 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf);
817 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup);
818 #endif /* _I40E_H_ */