1 #undef TRACE_SYSTEM 2 #define TRACE_SYSTEM neigh 3 4 #if !defined(_TRACE_NEIGH_H) || defined(TRACE_HEADER_MULTI_READ) 5 #define _TRACE_NEIGH_H 6 7 #include <linux/skbuff.h> 8 #include <linux/netdevice.h> 9 #include <linux/tracepoint.h> 10 #include <net/neighbour.h> 11 12 #define neigh_state_str(state) \ 13 __print_symbolic(state, \ 14 { NUD_INCOMPLETE, "incomplete" }, \ 15 { NUD_REACHABLE, "reachable" }, \ 16 { NUD_STALE, "stale" }, \ 17 { NUD_DELAY, "delay" }, \ 18 { NUD_PROBE, "probe" }, \ 19 { NUD_FAILED, "failed" }) 20 21 TRACE_EVENT(neigh_update, 22 23 TP_PROTO(struct neighbour *n, const u8 *lladdr, u8 new, 24 u32 flags, u32 nlmsg_pid), 25 26 TP_ARGS(n, lladdr, new, flags, nlmsg_pid), 27 28 TP_STRUCT__entry( 29 __field(u32, family) 30 __string(dev, (n->dev ? n->dev->name : "NULL")) 31 __array(u8, lladdr, MAX_ADDR_LEN) 32 __field(u8, lladdr_len) 33 __field(u8, flags) 34 __field(u8, nud_state) 35 __field(u8, type) 36 __field(u8, dead) 37 __field(int, refcnt) 38 __array(__u8, primary_key4, 4) 39 __array(__u8, primary_key6, 16) 40 __field(unsigned long, confirmed) 41 __field(unsigned long, updated) 42 __field(unsigned long, used) 43 __array(u8, new_lladdr, MAX_ADDR_LEN) 44 __field(u8, new_state) 45 __field(u32, update_flags) 46 __field(u32, pid) 47 ), 48 49 TP_fast_assign( 50 int lladdr_len = (n->dev ? n->dev->addr_len : MAX_ADDR_LEN); 51 struct in6_addr *pin6; 52 __be32 *p32; 53 54 __entry->family = n->tbl->family; 55 __assign_str(dev, (n->dev ? n->dev->name : "NULL")); 56 __entry->lladdr_len = lladdr_len; 57 memcpy(__entry->lladdr, n->ha, lladdr_len); 58 __entry->flags = n->flags; 59 __entry->nud_state = n->nud_state; 60 __entry->type = n->type; 61 __entry->dead = n->dead; 62 __entry->refcnt = refcount_read(&n->refcnt); 63 pin6 = (struct in6_addr *)__entry->primary_key6; 64 p32 = (__be32 *)__entry->primary_key4; 65 66 if (n->tbl->family == AF_INET) 67 *p32 = *(__be32 *)n->primary_key; 68 else 69 *p32 = 0; 70 71 #if IS_ENABLED(CONFIG_IPV6) 72 if (n->tbl->family == AF_INET6) { 73 pin6 = (struct in6_addr *)__entry->primary_key6; 74 *pin6 = *(struct in6_addr *)n->primary_key; 75 } else 76 #endif 77 { 78 ipv6_addr_set_v4mapped(*p32, pin6); 79 } 80 __entry->confirmed = n->confirmed; 81 __entry->updated = n->updated; 82 __entry->used = n->used; 83 if (lladdr) 84 memcpy(__entry->new_lladdr, lladdr, lladdr_len); 85 __entry->new_state = new; 86 __entry->update_flags = flags; 87 __entry->pid = nlmsg_pid; 88 ), 89 90 TP_printk("family %d dev %s lladdr %s flags %02x nud_state %s type %02x " 91 "dead %d refcnt %d primary_key4 %pI4 primary_key6 %pI6c " 92 "confirmed %lu updated %lu used %lu new_lladdr %s " 93 "new_state %02x update_flags %02x pid %d", 94 __entry->family, __get_str(dev), 95 __print_hex_str(__entry->lladdr, __entry->lladdr_len), 96 __entry->flags, neigh_state_str(__entry->nud_state), 97 __entry->type, __entry->dead, __entry->refcnt, 98 __entry->primary_key4, __entry->primary_key6, 99 __entry->confirmed, __entry->updated, __entry->used, 100 __print_hex_str(__entry->new_lladdr, __entry->lladdr_len), 101 __entry->new_state, 102 __entry->update_flags, __entry->pid) 103 ); 104 105 DECLARE_EVENT_CLASS(neigh__update, 106 TP_PROTO(struct neighbour *n, int err), 107 TP_ARGS(n, err), 108 TP_STRUCT__entry( 109 __field(u32, family) 110 __string(dev, (n->dev ? n->dev->name : "NULL")) 111 __array(u8, lladdr, MAX_ADDR_LEN) 112 __field(u8, lladdr_len) 113 __field(u8, flags) 114 __field(u8, nud_state) 115 __field(u8, type) 116 __field(u8, dead) 117 __field(int, refcnt) 118 __array(__u8, primary_key4, 4) 119 __array(__u8, primary_key6, 16) 120 __field(unsigned long, confirmed) 121 __field(unsigned long, updated) 122 __field(unsigned long, used) 123 __field(u32, err) 124 ), 125 126 TP_fast_assign( 127 int lladdr_len = (n->dev ? n->dev->addr_len : MAX_ADDR_LEN); 128 struct in6_addr *pin6; 129 __be32 *p32; 130 131 __entry->family = n->tbl->family; 132 __assign_str(dev, (n->dev ? n->dev->name : "NULL")); 133 __entry->lladdr_len = lladdr_len; 134 memcpy(__entry->lladdr, n->ha, lladdr_len); 135 __entry->flags = n->flags; 136 __entry->nud_state = n->nud_state; 137 __entry->type = n->type; 138 __entry->dead = n->dead; 139 __entry->refcnt = refcount_read(&n->refcnt); 140 pin6 = (struct in6_addr *)__entry->primary_key6; 141 p32 = (__be32 *)__entry->primary_key4; 142 143 if (n->tbl->family == AF_INET) 144 *p32 = *(__be32 *)n->primary_key; 145 else 146 *p32 = 0; 147 148 #if IS_ENABLED(CONFIG_IPV6) 149 if (n->tbl->family == AF_INET6) { 150 pin6 = (struct in6_addr *)__entry->primary_key6; 151 *pin6 = *(struct in6_addr *)n->primary_key; 152 } else 153 #endif 154 { 155 ipv6_addr_set_v4mapped(*p32, pin6); 156 } 157 158 __entry->confirmed = n->confirmed; 159 __entry->updated = n->updated; 160 __entry->used = n->used; 161 __entry->err = err; 162 ), 163 164 TP_printk("family %d dev %s lladdr %s flags %02x nud_state %s type %02x " 165 "dead %d refcnt %d primary_key4 %pI4 primary_key6 %pI6c " 166 "confirmed %lu updated %lu used %lu err %d", 167 __entry->family, __get_str(dev), 168 __print_hex_str(__entry->lladdr, __entry->lladdr_len), 169 __entry->flags, neigh_state_str(__entry->nud_state), 170 __entry->type, __entry->dead, __entry->refcnt, 171 __entry->primary_key4, __entry->primary_key6, 172 __entry->confirmed, __entry->updated, __entry->used, 173 __entry->err) 174 ); 175 176 DEFINE_EVENT(neigh__update, neigh_update_done, 177 TP_PROTO(struct neighbour *neigh, int err), 178 TP_ARGS(neigh, err) 179 ); 180 181 DEFINE_EVENT(neigh__update, neigh_timer_handler, 182 TP_PROTO(struct neighbour *neigh, int err), 183 TP_ARGS(neigh, err) 184 ); 185 186 DEFINE_EVENT(neigh__update, neigh_event_send_done, 187 TP_PROTO(struct neighbour *neigh, int err), 188 TP_ARGS(neigh, err) 189 ); 190 191 DEFINE_EVENT(neigh__update, neigh_event_send_dead, 192 TP_PROTO(struct neighbour *neigh, int err), 193 TP_ARGS(neigh, err) 194 ); 195 196 DEFINE_EVENT(neigh__update, neigh_cleanup_and_release, 197 TP_PROTO(struct neighbour *neigh, int rc), 198 TP_ARGS(neigh, rc) 199 ); 200 201 #endif /* _TRACE_NEIGH_H */ 202 203 /* This part must be outside protection */ 204 #include <trace/define_trace.h> 205