1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2014 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/slab.h>
40 #include <linux/list.h>
41 #include <linux/string.h>
44 #include <linux/tcp.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/clocksource.h>
53 #include <linux/net_tstamp.h>
54 #include <linux/ptp_clock_kernel.h>
55 #include "i40e_type.h"
56 #include "i40e_prototype.h"
57 #include "i40e_virtchnl.h"
58 #include "i40e_virtchnl_pf.h"
59 #include "i40e_txrx.h"
62 /* Useful i40e defaults */
63 #define I40E_BASE_PF_SEID 16
64 #define I40E_BASE_VSI_SEID 512
65 #define I40E_BASE_VEB_SEID 288
66 #define I40E_MAX_VEB 16
68 #define I40E_MAX_NUM_DESCRIPTORS 4096
69 #define I40E_MAX_REGISTER 0x800000
70 #define I40E_DEFAULT_NUM_DESCRIPTORS 512
71 #define I40E_REQ_DESCRIPTOR_MULTIPLE 32
72 #define I40E_MIN_NUM_DESCRIPTORS 64
73 #define I40E_MIN_MSIX 2
74 #define I40E_DEFAULT_NUM_VMDQ_VSI 8 /* max 256 VSIs */
75 #define I40E_DEFAULT_QUEUES_PER_VMDQ 2 /* max 16 qps */
76 #define I40E_DEFAULT_QUEUES_PER_VF 4
77 #define I40E_DEFAULT_QUEUES_PER_TC 1 /* should be a power of 2 */
78 #define I40E_MAX_QUEUES_PER_TC 64 /* should be a power of 2 */
79 #define I40E_FDIR_RING 0
80 #define I40E_FDIR_RING_COUNT 32
81 #define I40E_MAX_AQ_BUF_SIZE 4096
82 #define I40E_AQ_LEN 32
83 #define I40E_AQ_WORK_LIMIT 16
84 #define I40E_MAX_USER_PRIORITY 8
85 #define I40E_DEFAULT_MSG_ENABLE 4
87 #define I40E_NVM_VERSION_LO_SHIFT 0
88 #define I40E_NVM_VERSION_LO_MASK (0xff << I40E_NVM_VERSION_LO_SHIFT)
89 #define I40E_NVM_VERSION_HI_SHIFT 8
90 #define I40E_NVM_VERSION_HI_MASK (0xff << I40E_NVM_VERSION_HI_SHIFT)
92 /* The values in here are decimal coded as hex as is the case in the NVM map*/
93 #define I40E_CURRENT_NVM_VERSION_HI 0x2
94 #define I40E_CURRENT_NVM_VERSION_LO 0x30
96 /* magic for getting defines into strings */
97 #define STRINGIFY(foo) #foo
98 #define XSTRINGIFY(bar) STRINGIFY(bar)
100 #ifndef ARCH_HAS_PREFETCH
104 #define I40E_RX_DESC(R, i) \
105 ((ring_is_16byte_desc_enabled(R)) \
106 ? (union i40e_32byte_rx_desc *) \
107 (&(((union i40e_16byte_rx_desc *)((R)->desc))[i])) \
108 : (&(((union i40e_32byte_rx_desc *)((R)->desc))[i])))
109 #define I40E_TX_DESC(R, i) \
110 (&(((struct i40e_tx_desc *)((R)->desc))[i]))
111 #define I40E_TX_CTXTDESC(R, i) \
112 (&(((struct i40e_tx_context_desc *)((R)->desc))[i]))
113 #define I40E_TX_FDIRDESC(R, i) \
114 (&(((struct i40e_filter_program_desc *)((R)->desc))[i]))
116 /* default to trying for four seconds */
117 #define I40E_TRY_LINK_TIMEOUT (4 * HZ)
119 /* driver state flags */
125 __I40E_NEEDS_RESTART,
126 __I40E_SERVICE_SCHED,
127 __I40E_ADMINQ_EVENT_PENDING,
128 __I40E_MDD_EVENT_PENDING,
129 __I40E_VFLR_EVENT_PENDING,
130 __I40E_RESET_RECOVERY_PENDING,
131 __I40E_RESET_INTR_RECEIVED,
132 __I40E_REINIT_REQUESTED,
133 __I40E_PF_RESET_REQUESTED,
134 __I40E_CORE_RESET_REQUESTED,
135 __I40E_GLOBAL_RESET_REQUESTED,
136 __I40E_EMP_RESET_REQUESTED,
137 __I40E_FILTER_OVERFLOW_PROMISC,
141 enum i40e_interrupt_policy {
142 I40E_INTERRUPT_BEST_CASE,
143 I40E_INTERRUPT_MEDIUM,
144 I40E_INTERRUPT_LOWEST
147 struct i40e_lump_tracking {
151 #define I40E_PILE_VALID_BIT 0x8000
154 #define I40E_DEFAULT_ATR_SAMPLE_RATE 20
155 #define I40E_FDIR_MAX_RAW_PACKET_LOOKUP 512
156 struct i40e_fdir_data {
168 #define I40E_ETH_P_LLDP 0x88cc
170 #define I40E_DCB_PRIO_TYPE_STRICT 0
171 #define I40E_DCB_PRIO_TYPE_ETS 1
172 #define I40E_DCB_STRICT_PRIO_CREDITS 127
173 #define I40E_MAX_USER_PRIORITY 8
174 /* DCB per TC information data structure */
175 struct i40e_tc_info {
176 u16 qoffset; /* Queue offset from base queue */
177 u16 qcount; /* Total Queues */
178 u8 netdev_tc; /* Netdev TC index if netdev associated */
181 /* TC configuration data structure */
182 struct i40e_tc_configuration {
183 u8 numtc; /* Total number of enabled TCs */
184 u8 enabled_tc; /* TC map */
185 struct i40e_tc_info tc_info[I40E_MAX_TRAFFIC_CLASS];
188 /* struct that defines the Ethernet device */
190 struct pci_dev *pdev;
193 unsigned long link_check_timeout;
194 struct msix_entry *msix_entries;
195 u16 num_msix_entries;
196 bool fc_autoneg_status;
199 u16 num_vmdq_vsis; /* num vmdq pools this pf has set up */
200 u16 num_vmdq_qps; /* num queue pairs per vmdq pool */
201 u16 num_vmdq_msix; /* num queue vectors per vmdq pool */
202 u16 num_req_vfs; /* num vfs requested for this vf */
203 u16 num_vf_qps; /* num queue pairs per vf */
204 u16 num_lan_qps; /* num lan queues this pf has set up */
205 u16 num_lan_msix; /* num queue vectors for the base pf vsi */
206 int queues_left; /* queues left unclaimed */
207 u16 rss_size; /* num queues in the RSS array */
208 u16 rss_size_max; /* HW defined max RSS queues */
209 u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */
213 #ifdef CONFIG_I40E_VXLAN
214 __be16 vxlan_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
215 u16 pending_vxlan_bitmap;
218 enum i40e_interrupt_policy int_policy;
222 char misc_int_name[IFNAMSIZ + 9];
223 u16 adminq_work_limit; /* num of admin receive queue desc to process */
224 int service_timer_period;
225 struct timer_list service_timer;
226 struct work_struct service_task;
229 #define I40E_FLAG_RX_CSUM_ENABLED (u64)(1 << 1)
230 #define I40E_FLAG_MSI_ENABLED (u64)(1 << 2)
231 #define I40E_FLAG_MSIX_ENABLED (u64)(1 << 3)
232 #define I40E_FLAG_RX_1BUF_ENABLED (u64)(1 << 4)
233 #define I40E_FLAG_RX_PS_ENABLED (u64)(1 << 5)
234 #define I40E_FLAG_RSS_ENABLED (u64)(1 << 6)
235 #define I40E_FLAG_VMDQ_ENABLED (u64)(1 << 7)
236 #define I40E_FLAG_FDIR_REQUIRES_REINIT (u64)(1 << 8)
237 #define I40E_FLAG_NEED_LINK_UPDATE (u64)(1 << 9)
238 #define I40E_FLAG_IN_NETPOLL (u64)(1 << 12)
239 #define I40E_FLAG_16BYTE_RX_DESC_ENABLED (u64)(1 << 13)
240 #define I40E_FLAG_CLEAN_ADMINQ (u64)(1 << 14)
241 #define I40E_FLAG_FILTER_SYNC (u64)(1 << 15)
242 #define I40E_FLAG_PROCESS_MDD_EVENT (u64)(1 << 17)
243 #define I40E_FLAG_PROCESS_VFLR_EVENT (u64)(1 << 18)
244 #define I40E_FLAG_SRIOV_ENABLED (u64)(1 << 19)
245 #define I40E_FLAG_DCB_ENABLED (u64)(1 << 20)
246 #define I40E_FLAG_FD_SB_ENABLED (u64)(1 << 21)
247 #define I40E_FLAG_FD_ATR_ENABLED (u64)(1 << 22)
248 #define I40E_FLAG_PTP (u64)(1 << 25)
249 #define I40E_FLAG_MFP_ENABLED (u64)(1 << 26)
250 #ifdef CONFIG_I40E_VXLAN
251 #define I40E_FLAG_VXLAN_FILTER_SYNC (u64)(1 << 27)
254 bool stat_offsets_loaded;
255 struct i40e_hw_port_stats stats;
256 struct i40e_hw_port_stats stats_offsets;
257 u32 tx_timeout_count;
258 u32 tx_timeout_recovery_level;
259 unsigned long tx_timeout_last_recovery;
260 u32 hw_csum_rx_error;
262 u16 corer_count; /* Core reset count */
263 u16 globr_count; /* Global reset count */
264 u16 empr_count; /* EMP reset count */
265 u16 pfr_count; /* PF reset count */
266 u16 sw_int_count; /* SW interrupt count */
268 struct mutex switch_mutex;
269 u16 lan_vsi; /* our default LAN VSI */
270 u16 lan_veb; /* initial relay, if exists */
271 #define I40E_NO_VEB 0xffff
272 #define I40E_NO_VSI 0xffff
273 u16 next_vsi; /* Next unallocated VSI - 0-based! */
274 struct i40e_vsi **vsi;
275 struct i40e_veb *veb[I40E_MAX_VEB];
277 struct i40e_lump_tracking *qp_pile;
278 struct i40e_lump_tracking *irq_pile;
280 /* switch config info */
284 struct i40e_aqc_get_switch_config_data *sw_config;
285 struct kobject *switch_kobj;
286 #ifdef CONFIG_DEBUG_FS
287 struct dentry *i40e_dbg_pf;
288 #endif /* CONFIG_DEBUG_FS */
290 u16 instance; /* A unique number per i40e_pf instance in the system */
292 /* sr-iov config info */
294 int num_alloc_vfs; /* actual number of VFs allocated */
297 /* DCBx/DCBNL capability for PF that indicates
298 * whether DCBx is managed by firmware or host
299 * based agent (LLDPAD). Also, indicates what
300 * flavor of DCBx protocol (IEEE/CEE) is supported
301 * by the device. For now we're supporting IEEE
306 u32 fcoe_hmc_filt_num;
307 u32 fcoe_hmc_cntx_num;
308 struct i40e_filter_control_settings filter_settings;
310 struct ptp_clock *ptp_clock;
311 struct ptp_clock_info ptp_caps;
312 struct sk_buff *ptp_tx_skb;
313 struct work_struct ptp_tx_work;
314 struct hwtstamp_config tstamp_config;
315 unsigned long ptp_tx_start;
316 unsigned long last_rx_ptp_check;
317 spinlock_t tmreg_lock; /* Used to protect the device time registers. */
319 u32 tx_hwtstamp_timeouts;
320 u32 rx_hwtstamp_cleared;
325 struct i40e_mac_filter {
326 struct list_head list;
327 u8 macaddr[ETH_ALEN];
328 #define I40E_VLAN_ANY -1
330 u8 counter; /* number of instances of this filter */
331 bool is_vf; /* filter belongs to a VF */
332 bool is_netdev; /* filter belongs to a netdev */
333 bool changed; /* filter needs to be sync'd to the HW */
339 u16 veb_idx; /* index of VEB parent */
342 u16 stats_idx; /* index of VEB parent */
348 u8 bw_tc_share_credits[I40E_MAX_TRAFFIC_CLASS];
349 u16 bw_tc_limit_credits[I40E_MAX_TRAFFIC_CLASS];
350 u8 bw_tc_max_quanta[I40E_MAX_TRAFFIC_CLASS];
351 struct kobject *kobj;
352 bool stat_offsets_loaded;
353 struct i40e_eth_stats stats;
354 struct i40e_eth_stats stats_offsets;
357 /* struct that defines a VSI, associated with a dev */
359 struct net_device *netdev;
360 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
361 bool netdev_registered;
362 bool stat_offsets_loaded;
364 u32 current_netdev_flags;
366 #define I40E_VSI_FLAG_FILTER_CHANGED (1<<0)
367 #define I40E_VSI_FLAG_VEB_OWNER (1<<1)
370 struct list_head mac_filter_list;
373 struct rtnl_link_stats64 net_stats;
374 struct rtnl_link_stats64 net_stats_offsets;
375 struct i40e_eth_stats eth_stats;
376 struct i40e_eth_stats eth_stats_offsets;
382 /* These are containers of ring pointers, allocated at run-time */
383 struct i40e_ring **rx_rings;
384 struct i40e_ring **tx_rings;
387 /* high bit set means dynamic, use accessor routines to read/write.
388 * hardware only supports 2us resolution for the ITR registers.
389 * these values always store the USER setting, and must be converted
390 * before programming to a register.
400 /* List of q_vectors allocated to this VSI */
401 struct i40e_q_vector **q_vectors;
405 u16 seid; /* HW index of this VSI (absolute index) */
406 u16 id; /* VSI number */
409 u16 base_queue; /* vsi's first queue in hw array */
410 u16 alloc_queue_pairs; /* Allocated Tx/Rx queues */
411 u16 num_queue_pairs; /* Used tx and rx pairs */
413 enum i40e_vsi_type type; /* VSI type, e.g., LAN, FCoE, etc */
414 u16 vf_id; /* Virtual function ID for SRIOV VSIs */
416 struct i40e_tc_configuration tc_config;
417 struct i40e_aqc_vsi_properties_data info;
419 /* VSI BW limit (absolute across all TCs) */
420 u16 bw_limit; /* VSI BW Limit (0 = disabled) */
421 u8 bw_max_quanta; /* Max Quanta when BW limit is enabled */
423 /* Relative TC credits across VSIs */
424 u8 bw_ets_share_credits[I40E_MAX_TRAFFIC_CLASS];
425 /* TC BW limit credits within VSI */
426 u16 bw_ets_limit_credits[I40E_MAX_TRAFFIC_CLASS];
427 /* TC BW limit max quanta within VSI */
428 u8 bw_ets_max_quanta[I40E_MAX_TRAFFIC_CLASS];
430 struct i40e_pf *back; /* Backreference to associated PF */
431 u16 idx; /* index in pf->vsi[] */
432 u16 veb_idx; /* index of VEB parent */
433 struct kobject *kobj; /* sysfs object */
435 /* VSI specific handlers */
436 irqreturn_t (*irq_handler)(int irq, void *data);
437 } ____cacheline_internodealigned_in_smp;
439 struct i40e_netdev_priv {
440 struct i40e_vsi *vsi;
443 /* struct that defines an interrupt vector */
444 struct i40e_q_vector {
445 struct i40e_vsi *vsi;
447 u16 v_idx; /* index in the vsi->q_vector array. */
448 u16 reg_idx; /* register index of the interrupt */
450 struct napi_struct napi;
452 struct i40e_ring_container rx;
453 struct i40e_ring_container tx;
455 u8 num_ringpairs; /* total number of ring pairs in vector */
457 cpumask_t affinity_mask;
458 struct rcu_head rcu; /* to avoid race with update stats on free */
459 char name[IFNAMSIZ + 9];
460 } ____cacheline_internodealigned_in_smp;
464 struct list_head list;
469 * i40e_fw_version_str - format the FW and NVM version strings
470 * @hw: ptr to the hardware info
472 static inline char *i40e_fw_version_str(struct i40e_hw *hw)
476 snprintf(buf, sizeof(buf),
477 "f%d.%d a%d.%d n%02x.%02x e%08x",
478 hw->aq.fw_maj_ver, hw->aq.fw_min_ver,
479 hw->aq.api_maj_ver, hw->aq.api_min_ver,
480 (hw->nvm.version & I40E_NVM_VERSION_HI_MASK)
481 >> I40E_NVM_VERSION_HI_SHIFT,
482 (hw->nvm.version & I40E_NVM_VERSION_LO_MASK)
483 >> I40E_NVM_VERSION_LO_SHIFT,
490 * i40e_netdev_to_pf: Retrieve the PF struct for given netdev
491 * @netdev: the corresponding netdev
493 * Return the PF struct for the given netdev
495 static inline struct i40e_pf *i40e_netdev_to_pf(struct net_device *netdev)
497 struct i40e_netdev_priv *np = netdev_priv(netdev);
498 struct i40e_vsi *vsi = np->vsi;
503 static inline void i40e_vsi_setup_irqhandler(struct i40e_vsi *vsi,
504 irqreturn_t (*irq_handler)(int, void *))
506 vsi->irq_handler = irq_handler;
510 * i40e_rx_is_programming_status - check for programming status descriptor
511 * @qw: the first quad word of the program status descriptor
513 * The value of in the descriptor length field indicate if this
514 * is a programming status descriptor for flow director or FCoE
515 * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
516 * it is a packet descriptor.
518 static inline bool i40e_rx_is_programming_status(u64 qw)
520 return I40E_RX_PROG_STATUS_DESC_LENGTH ==
521 (qw >> I40E_RX_PROG_STATUS_DESC_LENGTH_SHIFT);
524 /* needed by i40e_ethtool.c */
525 int i40e_up(struct i40e_vsi *vsi);
526 void i40e_down(struct i40e_vsi *vsi);
527 extern const char i40e_driver_name[];
528 extern const char i40e_driver_version_str[];
529 void i40e_do_reset_safe(struct i40e_pf *pf, u32 reset_flags);
530 void i40e_do_reset(struct i40e_pf *pf, u32 reset_flags);
531 void i40e_update_stats(struct i40e_vsi *vsi);
532 void i40e_update_eth_stats(struct i40e_vsi *vsi);
533 struct rtnl_link_stats64 *i40e_get_vsi_stats_struct(struct i40e_vsi *vsi);
534 int i40e_fetch_switch_configuration(struct i40e_pf *pf,
537 int i40e_program_fdir_filter(struct i40e_fdir_data *fdir_data,
538 struct i40e_pf *pf, bool add);
540 void i40e_set_ethtool_ops(struct net_device *netdev);
541 struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
542 u8 *macaddr, s16 vlan,
543 bool is_vf, bool is_netdev);
544 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan,
545 bool is_vf, bool is_netdev);
546 int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
547 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
548 u16 uplink, u32 param1);
549 int i40e_vsi_release(struct i40e_vsi *vsi);
550 struct i40e_vsi *i40e_vsi_lookup(struct i40e_pf *pf, enum i40e_vsi_type type,
551 struct i40e_vsi *start_vsi);
552 int i40e_vsi_control_rings(struct i40e_vsi *vsi, bool enable);
553 int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count);
554 struct i40e_veb *i40e_veb_setup(struct i40e_pf *pf, u16 flags, u16 uplink_seid,
555 u16 downlink_seid, u8 enabled_tc);
556 void i40e_veb_release(struct i40e_veb *veb);
558 int i40e_veb_config_tc(struct i40e_veb *veb, u8 enabled_tc);
559 i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid);
560 void i40e_vsi_remove_pvid(struct i40e_vsi *vsi);
561 void i40e_vsi_reset_stats(struct i40e_vsi *vsi);
562 void i40e_pf_reset_stats(struct i40e_pf *pf);
563 #ifdef CONFIG_DEBUG_FS
564 void i40e_dbg_pf_init(struct i40e_pf *pf);
565 void i40e_dbg_pf_exit(struct i40e_pf *pf);
566 void i40e_dbg_init(void);
567 void i40e_dbg_exit(void);
569 static inline void i40e_dbg_pf_init(struct i40e_pf *pf) {}
570 static inline void i40e_dbg_pf_exit(struct i40e_pf *pf) {}
571 static inline void i40e_dbg_init(void) {}
572 static inline void i40e_dbg_exit(void) {}
573 #endif /* CONFIG_DEBUG_FS*/
574 void i40e_irq_dynamic_enable(struct i40e_vsi *vsi, int vector);
575 void i40e_irq_dynamic_disable_icr0(struct i40e_pf *pf);
576 void i40e_irq_dynamic_enable_icr0(struct i40e_pf *pf);
577 int i40e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
578 void i40e_vlan_stripping_disable(struct i40e_vsi *vsi);
579 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid);
580 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid);
581 struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr,
582 bool is_vf, bool is_netdev);
583 bool i40e_is_vsi_in_vlan(struct i40e_vsi *vsi);
584 struct i40e_mac_filter *i40e_find_mac(struct i40e_vsi *vsi, u8 *macaddr,
585 bool is_vf, bool is_netdev);
586 void i40e_vlan_stripping_enable(struct i40e_vsi *vsi);
587 #ifdef CONFIG_I40E_DCB
588 void i40e_dcbnl_flush_apps(struct i40e_pf *pf,
589 struct i40e_dcbx_config *new_cfg);
590 void i40e_dcbnl_set_all(struct i40e_vsi *vsi);
591 void i40e_dcbnl_setup(struct i40e_vsi *vsi);
592 bool i40e_dcb_need_reconfig(struct i40e_pf *pf,
593 struct i40e_dcbx_config *old_cfg,
594 struct i40e_dcbx_config *new_cfg);
595 #endif /* CONFIG_I40E_DCB */
596 void i40e_ptp_rx_hang(struct i40e_vsi *vsi);
597 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf);
598 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index);
599 void i40e_ptp_set_increment(struct i40e_pf *pf);
600 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
601 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr);
602 void i40e_ptp_init(struct i40e_pf *pf);
603 void i40e_ptp_stop(struct i40e_pf *pf);
604 #endif /* _I40E_H_ */