drivers/net/ethernet/aquantia/atlantic/aq_ptp.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /* Aquantia Corporation Network Driver
   3  * Copyright (C) 2014-2019 Aquantia Corporation. All rights reserved
   4  */
   5
   6 /* File aq_ptp.h: Declaration of PTP functions.
   7  */
   8 #ifndef AQ_PTP_H
   9 #define AQ_PTP_H
  10
  11 #include <linux/net_tstamp.h>
  12
  13 #if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
  14
  15 /* Common functions */
  16 int aq_ptp_init(struct aq_nic_s *aq_nic, unsigned int idx_vec);
  17
  18 void aq_ptp_unregister(struct aq_nic_s *aq_nic);
  19 void aq_ptp_free(struct aq_nic_s *aq_nic);
  20
  21 int aq_ptp_irq_alloc(struct aq_nic_s *aq_nic);
  22 void aq_ptp_irq_free(struct aq_nic_s *aq_nic);
  23
  24 int aq_ptp_ring_alloc(struct aq_nic_s *aq_nic);
  25 void aq_ptp_ring_free(struct aq_nic_s *aq_nic);
  26
  27 int aq_ptp_ring_init(struct aq_nic_s *aq_nic);
  28 int aq_ptp_ring_start(struct aq_nic_s *aq_nic);
  29 void aq_ptp_ring_stop(struct aq_nic_s *aq_nic);
  30 void aq_ptp_ring_deinit(struct aq_nic_s *aq_nic);
  31
  32 void aq_ptp_service_task(struct aq_nic_s *aq_nic);
  33
  34 void aq_ptp_tm_offset_set(struct aq_nic_s *aq_nic, unsigned int mbps);
  35
  36 void aq_ptp_clock_init(struct aq_nic_s *aq_nic);
  37
  38 /* Traffic processing functions */
  39 int aq_ptp_xmit(struct aq_nic_s *aq_nic, struct sk_buff *skb);
  40 void aq_ptp_tx_hwtstamp(struct aq_nic_s *aq_nic, u64 timestamp);
  41
  42 /* Must be to check available of PTP before call */
  43 void aq_ptp_hwtstamp_config_get(struct aq_ptp_s *aq_ptp,
  44                                 struct hwtstamp_config *config);
  45 int aq_ptp_hwtstamp_config_set(struct aq_ptp_s *aq_ptp,
  46                                struct hwtstamp_config *config);
  47
  48 /* Return either ring is belong to PTP or not*/
  49 bool aq_ptp_ring(struct aq_nic_s *aq_nic, struct aq_ring_s *ring);
  50
  51 u16 aq_ptp_extract_ts(struct aq_nic_s *aq_nic, struct sk_buff *skb, u8 *p,
  52                       unsigned int len);
  53
  54 struct ptp_clock *aq_ptp_get_ptp_clock(struct aq_ptp_s *aq_ptp);
  55
  56 int aq_ptp_link_change(struct aq_nic_s *aq_nic);
  57
  58 #else
  59
  60 static inline int aq_ptp_init(struct aq_nic_s *aq_nic, unsigned int idx_vec)
  61 {
  62         return 0;
  63 }
  64
  65 static inline void aq_ptp_unregister(struct aq_nic_s *aq_nic) {}
  66
  67 static inline void aq_ptp_free(struct aq_nic_s *aq_nic)
  68 {
  69 }
  70
  71 static inline int aq_ptp_irq_alloc(struct aq_nic_s *aq_nic)
  72 {
  73         return 0;
  74 }
  75
  76 static inline void aq_ptp_irq_free(struct aq_nic_s *aq_nic)
  77 {
  78 }
  79
  80 static inline int aq_ptp_ring_alloc(struct aq_nic_s *aq_nic)
  81 {
  82         return 0;
  83 }
  84
  85 static inline void aq_ptp_ring_free(struct aq_nic_s *aq_nic) {}
  86
  87 static inline int aq_ptp_ring_init(struct aq_nic_s *aq_nic)
  88 {
  89         return 0;
  90 }
  91
  92 static inline int aq_ptp_ring_start(struct aq_nic_s *aq_nic)
  93 {
  94         return 0;
  95 }
  96
  97 static inline void aq_ptp_ring_stop(struct aq_nic_s *aq_nic) {}
  98 static inline void aq_ptp_ring_deinit(struct aq_nic_s *aq_nic) {}
  99 static inline void aq_ptp_service_task(struct aq_nic_s *aq_nic) {}
 100 static inline void aq_ptp_tm_offset_set(struct aq_nic_s *aq_nic,
 101                                         unsigned int mbps) {}
 102 static inline void aq_ptp_clock_init(struct aq_nic_s *aq_nic) {}
 103 static inline int aq_ptp_xmit(struct aq_nic_s *aq_nic, struct sk_buff *skb)
 104 {
 105         return -EOPNOTSUPP;
 106 }
 107
 108 static inline void aq_ptp_tx_hwtstamp(struct aq_nic_s *aq_nic, u64 timestamp) {}
 109 static inline void aq_ptp_hwtstamp_config_get(struct aq_ptp_s *aq_ptp,
 110                                               struct hwtstamp_config *config) {}
 111 static inline int aq_ptp_hwtstamp_config_set(struct aq_ptp_s *aq_ptp,
 112                                              struct hwtstamp_config *config)
 113 {
 114         return 0;
 115 }
 116
 117 static inline bool aq_ptp_ring(struct aq_nic_s *aq_nic, struct aq_ring_s *ring)
 118 {
 119         return false;
 120 }
 121
 122 static inline u16 aq_ptp_extract_ts(struct aq_nic_s *aq_nic,
 123                                     struct sk_buff *skb, u8 *p,
 124                                     unsigned int len)
 125 {
 126         return 0;
 127 }
 128
 129 static inline struct ptp_clock *aq_ptp_get_ptp_clock(struct aq_ptp_s *aq_ptp)
 130 {
 131         return NULL;
 132 }
 133
 134 static inline int aq_ptp_link_change(struct aq_nic_s *aq_nic)
 135 {
 136         return 0;
 137 }
 138 #endif
 139
 140 #endif /* AQ_PTP_H */