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 0xff00
113 #define I40E_OEM_VER_PATCH_MASK 0xff
115 /* The values in here are decimal coded as hex as is the case in the NVM map*/
116 #define I40E_CURRENT_NVM_VERSION_HI 0x2
117 #define I40E_CURRENT_NVM_VERSION_LO 0x40
119 /* magic for getting defines into strings */
120 #define STRINGIFY(foo) #foo
121 #define XSTRINGIFY(bar) STRINGIFY(bar)
123 #define I40E_RX_DESC(R, i) \
124 ((ring_is_16byte_desc_enabled(R)) \
125 ? (union i40e_32byte_rx_desc *) \
126 (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \
127 : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i])))
128 #define I40E_TX_DESC(R, i) \
129 (&(((struct i40e_tx_desc *)((R)->desc))[i]))
130 #define I40E_TX_CTXTDESC(R, i) \
131 (&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
132 #define I40E_TX_FDIRDESC(R, i) \
133 (&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
135 /* default to trying for four seconds */
136 #define I40E_TRY_LINK_TIMEOUT (4 * HZ)
138 /* driver state flags */
144 __I40E_NEEDS_RESTART,
145 __I40E_SERVICE_SCHED,
146 __I40E_ADMINQ_EVENT_PENDING,
147 __I40E_MDD_EVENT_PENDING,
148 __I40E_VFLR_EVENT_PENDING,
149 __I40E_RESET_RECOVERY_PENDING,
150 __I40E_RESET_INTR_RECEIVED,
151 __I40E_REINIT_REQUESTED,
152 __I40E_PF_RESET_REQUESTED,
153 __I40E_CORE_RESET_REQUESTED,
154 __I40E_GLOBAL_RESET_REQUESTED,
155 __I40E_EMP_RESET_REQUESTED,
156 __I40E_EMP_RESET_INTR_RECEIVED,
157 __I40E_FILTER_OVERFLOW_PROMISC,
159 __I40E_PTP_TX_IN_PROGRESS,
161 __I40E_DOWN_REQUESTED,
162 __I40E_FD_FLUSH_REQUESTED,
164 __I40E_PORT_TX_SUSPENDED,
168 enum i40e_interrupt_policy {
169 I40E_INTERRUPT_BEST_CASE,
170 I40E_INTERRUPT_MEDIUM,
171 I40E_INTERRUPT_LOWEST
174 struct i40e_lump_tracking {
178 #define I40E_PILE_VALID_BIT 0x8000
181 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20
182 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512
183 #define I40E_FDIR_BUFFER_FULL_MARGIN 10
184 #define I40E_FDIR_BUFFER_HEAD_ROOM 32
185 #define I40E_FDIR_BUFFER_HEAD_ROOM_FOR_ATR (I40E_FDIR_BUFFER_HEAD_ROOM * 4)
187 #define I40E_HKEY_ARRAY_SIZE ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4)
189 enum i40e_fd_stat_idx {
192 I40E_FD_STAT_ATR_TUNNEL,
193 I40E_FD_STAT_PF_COUNT
195 #define I40E_FD_STAT_PF_IDX(pf_id) ((pf_id) * I40E_FD_STAT_PF_COUNT)
196 #define I40E_FD_ATR_STAT_IDX(pf_id) \
197 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR)
198 #define I40E_FD_SB_STAT_IDX(pf_id) \
199 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_SB)
200 #define I40E_FD_ATR_TUNNEL_STAT_IDX(pf_id) \
201 (I40E_FD_STAT_PF_IDX(pf_id) + I40E_FD_STAT_ATR_TUNNEL)
203 struct i40e_fdir_filter {
204 struct hlist_node fdir_node;
205 /* filter ipnut set */
208 /* TX packet view of src and dst */
225 #define I40E_ETH_P_LLDP 0x88cc
227 #define I40E_DCB_PRIO_TYPE_STRICT 0
228 #define I40E_DCB_PRIO_TYPE_ETS 1
229 #define I40E_DCB_STRICT_PRIO_CREDITS 127
230 #define I40E_MAX_USER_PRIORITY 8
231 /* DCB per TC information data structure */
232 struct i40e_tc_info {
233 u16 qoffset; /* Queue offset from base queue */
234 u16 qcount; /* Total Queues */
235 u8 netdev_tc; /* Netdev TC index if netdev associated */
238 /* TC configuration data structure */
239 struct i40e_tc_configuration {
240 u8 numtc; /* Total number of enabled TCs */
241 u8 enabled_tc; /* TC map */
242 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
245 /* struct that defines the Ethernet device */
247 struct pci_dev *pdev;
250 struct msix_entry *msix_entries;
251 bool fc_autoneg_status;
254 u16 num_vmdq_vsis; /* num vmdq vsis this PF has set up */
255 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */
256 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */
257 u16 num_req_vfs; /* num VFs requested for this VF */
258 u16 num_vf_qps; /* num queue pairs per VF */
260 u16 num_fcoe_qps; /* num fcoe queues this PF has set up */
261 u16 num_fcoe_msix; /* num queue vectors per fcoe pool */
262 #endif /* I40E_FCOE */
263 u16 num_lan_qps; /* num lan queues this PF has set up */
264 u16 num_lan_msix; /* num queue vectors for the base PF vsi */
265 int queues_left; /* queues left unclaimed */
266 u16 rss_size; /* num queues in the RSS array */
267 u16 rss_size_max; /* HW defined max RSS queues */
268 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */
269 u16 num_alloc_vsi; /* num VSIs this driver supports */
273 struct hlist_head fdir_filter_list;
274 u16 fdir_pf_active_filters;
275 unsigned long fd_flush_timestamp;
281 #ifdef CONFIG_I40E_VXLAN
282 __be16 vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
283 u16 pending_vxlan_bitmap;
286 enum i40e_interrupt_policy int_policy;
290 char int_name[I40E_INT_NAME_STR_LEN];
291 u16 adminq_work_limit; /* num of admin receive queue desc to process */
292 unsigned long service_timer_period;
293 unsigned long service_timer_previous;
294 struct timer_list service_timer;
295 struct work_struct service_task;
298 #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1)
299 #define I40E_FLAG_MSI_ENABLED BIT_ULL(2)
300 #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3)
301 #define I40E_FLAG_RX_1BUF_ENABLED BIT_ULL(4)
302 #define I40E_FLAG_RX_PS_ENABLED BIT_ULL(5)
303 #define I40E_FLAG_RSS_ENABLED BIT_ULL(6)
304 #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7)
305 #define I40E_FLAG_FDIR_REQUIRES_REINIT BIT_ULL(8)
306 #define I40E_FLAG_NEED_LINK_UPDATE BIT_ULL(9)
307 #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10)
309 #define I40E_FLAG_FCOE_ENABLED BIT_ULL(11)
310 #endif /* I40E_FCOE */
311 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED BIT_ULL(13)
312 #define I40E_FLAG_CLEAN_ADMINQ BIT_ULL(14)
313 #define I40E_FLAG_FILTER_SYNC BIT_ULL(15)
314 #define I40E_FLAG_PROCESS_MDD_EVENT BIT_ULL(17)
315 #define I40E_FLAG_PROCESS_VFLR_EVENT BIT_ULL(18)
316 #define I40E_FLAG_SRIOV_ENABLED BIT_ULL(19)
317 #define I40E_FLAG_DCB_ENABLED BIT_ULL(20)
318 #define I40E_FLAG_FD_SB_ENABLED BIT_ULL(21)
319 #define I40E_FLAG_FD_ATR_ENABLED BIT_ULL(22)
320 #define I40E_FLAG_PTP BIT_ULL(25)
321 #define I40E_FLAG_MFP_ENABLED BIT_ULL(26)
322 #ifdef CONFIG_I40E_VXLAN
323 #define I40E_FLAG_VXLAN_FILTER_SYNC BIT_ULL(27)
325 #define I40E_FLAG_PORT_ID_VALID BIT_ULL(28)
326 #define I40E_FLAG_DCB_CAPABLE BIT_ULL(29)
327 #define I40E_FLAG_RSS_AQ_CAPABLE BIT_ULL(31)
328 #define I40E_FLAG_HW_ATR_EVICT_CAPABLE BIT_ULL(32)
329 #define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE BIT_ULL(33)
330 #define I40E_FLAG_128_QP_RSS_CAPABLE BIT_ULL(34)
331 #define I40E_FLAG_WB_ON_ITR_CAPABLE BIT_ULL(35)
332 #define I40E_FLAG_VEB_STATS_ENABLED BIT_ULL(37)
333 #define I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE BIT_ULL(38)
334 #define I40E_FLAG_LINK_POLLING_ENABLED BIT_ULL(39)
335 #define I40E_FLAG_VEB_MODE_ENABLED BIT_ULL(40)
336 #define I40E_FLAG_NO_PCI_LINK_CHECK BIT_ULL(42)
338 /* tracks features that get auto disabled by errors */
339 u64 auto_disable_flags;
342 struct i40e_fcoe fcoe;
344 #endif /* I40E_FCOE */
345 bool stat_offsets_loaded;
346 struct i40e_hw_port_stats stats;
347 struct i40e_hw_port_stats stats_offsets;
348 u32 tx_timeout_count;
349 u32 tx_timeout_recovery_level;
350 unsigned long tx_timeout_last_recovery;
351 u32 tx_sluggish_count;
352 u32 hw_csum_rx_error;
354 u16 corer_count; /* Core reset count */
355 u16 globr_count; /* Global reset count */
356 u16 empr_count; /* EMP reset count */
357 u16 pfr_count; /* PF reset count */
358 u16 sw_int_count; /* SW interrupt count */
360 struct mutex switch_mutex;
361 u16 lan_vsi; /* our default LAN VSI */
362 u16 lan_veb; /* initial relay, if exists */
363 #define I40E_NO_VEB 0xffff
364 #define I40E_NO_VSI 0xffff
365 u16 next_vsi; /* Next unallocated VSI - 0-based! */
366 struct i40e_vsi **vsi;
367 struct i40e_veb *veb[I40E_MAX_VEB];
369 struct i40e_lump_tracking *qp_pile;
370 struct i40e_lump_tracking *irq_pile;
372 /* switch config info */
376 struct kobject *switch_kobj;
377 #ifdef CONFIG_DEBUG_FS
378 struct dentry *i40e_dbg_pf;
379 #endif /* CONFIG_DEBUG_FS */
382 u16 instance; /* A unique number per i40e_pf instance in the system */
384 /* sr-iov config info */
386 int num_alloc_vfs; /* actual number of VFs allocated */
389 /* DCBx/DCBNL capability for PF that indicates
390 * whether DCBx is managed by firmware or host
391 * based agent (LLDPAD). Also, indicates what
392 * flavor of DCBx protocol (IEEE/CEE) is supported
393 * by the device. For now we're supporting IEEE
398 u32 fcoe_hmc_filt_num;
399 u32 fcoe_hmc_cntx_num;
400 struct i40e_filter_control_settings filter_settings;
402 struct ptp_clock *ptp_clock;
403 struct ptp_clock_info ptp_caps;
404 struct sk_buff *ptp_tx_skb;
405 struct hwtstamp_config tstamp_config;
406 unsigned long last_rx_ptp_check;
407 spinlock_t tmreg_lock; /* Used to protect the device time registers. */
409 u32 tx_hwtstamp_timeouts;
410 u32 rx_hwtstamp_cleared;
414 /* These are only valid in NPAR modes */
422 struct i40e_mac_filter {
423 struct list_head list;
424 u8 macaddr[ETH_ALEN];
425 #define I40E_VLAN_ANY -1
427 u8 counter; /* number of instances of this filter */
428 bool is_vf; /* filter belongs to a VF */
429 bool is_netdev; /* filter belongs to a netdev */
430 bool changed; /* filter needs to be sync'd to the HW */
431 bool is_laa; /* filter is a Locally Administered Address */
437 u16 veb_idx; /* index of VEB parent */
440 u16 stats_idx; /* index of VEB parent */
442 u16 bridge_mode; /* Bridge Mode (VEB/VEPA) */
447 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
448 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
449 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
450 struct kobject *kobj;
451 bool stat_offsets_loaded;
452 struct i40e_eth_stats stats;
453 struct i40e_eth_stats stats_offsets;
454 struct i40e_veb_tc_stats tc_stats;
455 struct i40e_veb_tc_stats tc_stats_offsets;
458 /* struct that defines a VSI, associated with a dev */
460 struct net_device *netdev;
461 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
462 bool netdev_registered;
463 bool stat_offsets_loaded;
465 u32 current_netdev_flags;
467 #define I40E_VSI_FLAG_FILTER_CHANGED BIT(0)
468 #define I40E_VSI_FLAG_VEB_OWNER BIT(1)
471 /* Per VSI lock to protect elements/list (MAC filter) */
472 spinlock_t mac_filter_list_lock;
473 struct list_head mac_filter_list;
476 struct rtnl_link_stats64 net_stats;
477 struct rtnl_link_stats64 net_stats_offsets;
478 struct i40e_eth_stats eth_stats;
479 struct i40e_eth_stats eth_stats_offsets;
481 struct i40e_fcoe_stats fcoe_stats;
482 struct i40e_fcoe_stats fcoe_stats_offsets;
483 bool fcoe_stat_offsets_loaded;
491 /* These are containers of ring pointers, allocated at run-time */
492 struct i40e_ring **rx_rings;
493 struct i40e_ring **tx_rings;
496 /* high bit set means dynamic, use accessor routines to read/write.
497 * hardware only supports 2us resolution for the ITR registers.
498 * these values always store the USER setting, and must be converted
499 * before programming to a register.
503 u16 int_rate_limit; /* value in usecs */
513 /* List of q_vectors allocated to this VSI */
514 struct i40e_q_vector **q_vectors;
519 u16 seid; /* HW index of this VSI (absolute index) */
520 u16 id; /* VSI number */
523 u16 base_queue; /* vsi's first queue in hw array */
524 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
525 u16 req_queue_pairs; /* User requested queue pairs */
526 u16 num_queue_pairs; /* Used tx and rx pairs */
528 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */
529 u16 vf_id; /* Virtual function ID for SRIOV VSIs */
531 struct i40e_tc_configuration tc_config;
532 struct i40e_aqc_vsi_properties_data info;
534 /* VSI BW limit (absolute across all TCs) */
535 u16 bw_limit; /* VSI BW Limit (0 = disabled) */
536 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */
538 /* Relative TC credits across VSIs */
539 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
540 /* TC BW limit credits within VSI */
541 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
542 /* TC BW limit max quanta within VSI */
543 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
545 struct i40e_pf *back; /* Backreference to associated PF */
546 u16 idx; /* index in pf->vsi[] */
547 u16 veb_idx; /* index of VEB parent */
548 struct kobject *kobj; /* sysfs object */
549 bool current_isup; /* Sync 'link up' logging */
551 /* VSI specific handlers */
552 irqreturn_t (*irq_handler)(int irq, void *data);
554 /* current rxnfc data */
555 struct ethtool_rxnfc rxnfc; /* current rss hash opts */
556 } ____cacheline_internodealigned_in_smp;
558 struct i40e_netdev_priv {
559 struct i40e_vsi *vsi;
562 /* struct that defines an interrupt vector */
563 struct i40e_q_vector {
564 struct i40e_vsi *vsi;
566 u16 v_idx; /* index in the vsi->q_vector array. */
567 u16 reg_idx; /* register index of the interrupt */
569 struct napi_struct napi;
571 struct i40e_ring_container rx;
572 struct i40e_ring_container tx;
574 u8 num_ringpairs; /* total number of ring pairs in vector */
576 cpumask_t affinity_mask;
577 struct rcu_head rcu; /* to avoid race with update stats on free */
578 char name[I40E_INT_NAME_STR_LEN];
580 } ____cacheline_internodealigned_in_smp;
584 struct list_head list;
589 * i40e_nvm_version_str - format the NVM version strings
590 * @hw: ptr to the hardware info
592 static inline char *i40e_nvm_version_str(struct i40e_hw *hw)
596 snprintf(buf, sizeof(buf),
597 "%x.%02x 0x%x %d.%d.%d",
598 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK) >>
599 I40E_NVM_VERSION_HI_SHIFT,
600 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK) >>
601 I40E_NVM_VERSION_LO_SHIFT,
602 hw->nvm.eetrack, (hw->nvm.oem_ver >> 24),
603 (hw->nvm.oem_ver & I40E_OEM_VER_BUILD_MASK) >> 8,
604 hw->nvm.oem_ver & I40E_OEM_VER_PATCH_MASK);
610 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
611 * @netdev: the corresponding netdev
613 * Return the PF struct for the given netdev
615 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
617 struct i40e_netdev_priv *np = netdev_priv(netdev);
618 struct i40e_vsi *vsi = np->vsi;
623 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
624 irqreturn_t (*irq_handler)(int, void *))
626 vsi->irq_handler = irq_handler;
630 * i40e_rx_is_programming_status - check for programming status descriptor
631 * @qw: the first quad word of the program status descriptor
633 * The value of in the descriptor length field indicate if this
634 * is a programming status descriptor for flow director or FCoE
635 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
636 * it is a packet descriptor.
638 static inline bool i40e_rx_is_programming_status(u64 qw)
640 return I40E_RX_PROG_STATUS_DESC_LENGTH ==
641 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
645 * i40e_get_fd_cnt_all - get the total FD filter space available
646 * @pf: pointer to the PF struct
648 static inline int i40e_get_fd_cnt_all(struct i40e_pf *pf)
650 return pf->hw.fdir_shared_filter_count + pf->fdir_pf_filter_count;
653 /* needed by i40e_ethtool.c */
654 int i40e_up(struct i40e_vsi *vsi);
655 void i40e_down(struct i40e_vsi *vsi);
656 extern const char i40e_driver_name[];
657 extern const char i40e_driver_version_str[];
658 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
659 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
660 struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id);
661 void i40e_update_stats(struct i40e_vsi *vsi);
662 void i40e_update_eth_stats(struct i40e_vsi *vsi);
663 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
664 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
667 int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet,
668 struct i40e_pf *pf, bool add);
669 int i40e_add_del_fdir(struct i40e_vsi *vsi,
670 struct i40e_fdir_filter *input, bool add);
671 void i40e_fdir_check_and_reenable(struct i40e_pf *pf);
672 u32 i40e_get_current_fd_count(struct i40e_pf *pf);
673 u32 i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf);
674 u32 i40e_get_current_atr_cnt(struct i40e_pf *pf);
675 u32 i40e_get_global_fd_count(struct i40e_pf *pf);
676 bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
677 void i40e_set_ethtool_ops(struct net_device *netdev);
678 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
679 u8 *macaddr, s16 vlan,
680 bool is_vf, bool is_netdev);
681 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan,
682 bool is_vf, bool is_netdev);
683 int i40e_sync_vsi_filters(struct i40e_vsi *vsi, bool grab_rtnl);
684 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
685 u16 uplink, u32 param1);
686 int i40e_vsi_release(struct i40e_vsi *vsi);
687 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type,
688 struct i40e_vsi *start_vsi);
690 void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
691 struct i40e_vsi_context *ctxt,
692 u8 enabled_tc, bool is_add);
694 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
695 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
696 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
697 u16 downlink_seid, u8 enabled_tc);
698 void i40e_veb_release(struct i40e_veb *veb);
700 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
701 i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
702 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
703 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
704 void i40e_pf_reset_stats(struct i40e_pf *pf);
705 #ifdef CONFIG_DEBUG_FS
706 void i40e_dbg_pf_init(struct i40e_pf *pf);
707 void i40e_dbg_pf_exit(struct i40e_pf *pf);
708 void i40e_dbg_init(void);
709 void i40e_dbg_exit(void);
711 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
712 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
713 static inline void i40e_dbg_init(void) {}
714 static inline void i40e_dbg_exit(void) {}
715 #endif /* CONFIG_DEBUG_FS*/
717 * i40e_irq_dynamic_enable - Enable default interrupt generation settings
718 * @vsi: pointer to a vsi
719 * @vector: enable a particular Hw Interrupt vector, without base_vector
721 static inline void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector)
723 struct i40e_pf *pf = vsi->back;
724 struct i40e_hw *hw = &pf->hw;
727 val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
728 I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
729 (I40E_ITR_NONE << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT);
730 wr32(hw, I40E_PFINT_DYN_CTLN(vector + vsi->base_vector - 1), val);
734 void i40e_irq_dynamic_disable(struct i40e_vsi *vsi, int vector);
735 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
736 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
738 struct rtnl_link_stats64 *i40e_get_netdev_stats_struct(
739 struct net_device *netdev,
740 struct rtnl_link_stats64 *storage);
741 int i40e_set_mac(struct net_device *netdev, void *p);
742 void i40e_set_rx_mode(struct net_device *netdev);
744 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
746 void i40e_tx_timeout(struct net_device *netdev);
747 int i40e_vlan_rx_add_vid(struct net_device *netdev,
748 __always_unused __be16 proto, u16 vid);
749 int i40e_vlan_rx_kill_vid(struct net_device *netdev,
750 __always_unused __be16 proto, u16 vid);
752 int i40e_open(struct net_device *netdev);
753 int i40e_vsi_open(struct i40e_vsi *vsi);
754 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
755 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
756 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
757 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr,
758 bool is_vf, bool is_netdev);
759 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
760 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr,
761 bool is_vf, bool is_netdev);
763 int i40e_close(struct net_device *netdev);
764 int i40e_setup_tc(struct net_device *netdev, u8 tc);
765 void i40e_netpoll(struct net_device *netdev);
766 int i40e_fcoe_enable(struct net_device *netdev);
767 int i40e_fcoe_disable(struct net_device *netdev);
768 int i40e_fcoe_vsi_init(struct i40e_vsi *vsi, struct i40e_vsi_context *ctxt);
769 u8 i40e_get_fcoe_tc_map(struct i40e_pf *pf);
770 void i40e_fcoe_config_netdev(struct net_device *netdev, struct i40e_vsi *vsi);
771 void i40e_fcoe_vsi_setup(struct i40e_pf *pf);
772 void i40e_init_pf_fcoe(struct i40e_pf *pf);
773 int i40e_fcoe_setup_ddp_resources(struct i40e_vsi *vsi);
774 void i40e_fcoe_free_ddp_resources(struct i40e_vsi *vsi);
775 int i40e_fcoe_handle_offload(struct i40e_ring *rx_ring,
776 union i40e_rx_desc *rx_desc,
777 struct sk_buff *skb);
778 void i40e_fcoe_handle_status(struct i40e_ring *rx_ring,
779 union i40e_rx_desc *rx_desc, u8 prog_id);
780 #endif /* I40E_FCOE */
781 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
782 #ifdef CONFIG_I40E_DCB
783 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
784 struct i40e_dcbx_config *old_cfg,
785 struct i40e_dcbx_config *new_cfg);
786 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
787 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
788 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
789 struct i40e_dcbx_config *old_cfg,
790 struct i40e_dcbx_config *new_cfg);
791 #endif /* CONFIG_I40E_DCB */
792 void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
793 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
794 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
795 void i40e_ptp_set_increment(struct i40e_pf *pf);
796 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
797 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
798 void i40e_ptp_init(struct i40e_pf *pf);
799 void i40e_ptp_stop(struct i40e_pf *pf);
800 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
801 i40e_status i40e_get_npar_bw_setting(struct i40e_pf *pf);
802 i40e_status i40e_set_npar_bw_setting(struct i40e_pf *pf);
803 i40e_status i40e_commit_npar_bw_setting(struct i40e_pf *pf);
804 void i40e_print_link_message(struct i40e_vsi *vsi, bool isup);
805 #endif /* _I40E_H_ */