include/trace/events/neigh.h

   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                 { NUD_NOARP, "noarp" },                 \
  21                 { NUD_PERMANENT, "permanent"})
  22
  23 TRACE_EVENT(neigh_create,
  24
  25         TP_PROTO(struct neigh_table *tbl, struct net_device *dev,
  26                  const void *pkey, const struct neighbour *n,
  27                  bool exempt_from_gc),
  28
  29         TP_ARGS(tbl, dev, pkey, n, exempt_from_gc),
  30
  31         TP_STRUCT__entry(
  32                 __field(u32, family)
  33                 __dynamic_array(char,  dev,   IFNAMSIZ )
  34                 __field(int, entries)
  35                 __field(u8, created)
  36                 __field(u8, gc_exempt)
  37                 __array(u8, primary_key4, 4)
  38                 __array(u8, primary_key6, 16)
  39         ),
  40
  41         TP_fast_assign(
  42                 struct in6_addr *pin6;
  43                 __be32 *p32;
  44
  45                 __entry->family = tbl->family;
  46                 __assign_str(dev, (dev ? dev->name : "NULL"));
  47                 __entry->entries = atomic_read(&tbl->gc_entries);
  48                 __entry->created = n != NULL;
  49                 __entry->gc_exempt = exempt_from_gc;
  50                 pin6 = (struct in6_addr *)__entry->primary_key6;
  51                 p32 = (__be32 *)__entry->primary_key4;
  52
  53                 if (tbl->family == AF_INET)
  54                         *p32 = *(__be32 *)pkey;
  55                 else
  56                         *p32 = 0;
  57
  58 #if IS_ENABLED(CONFIG_IPV6)
  59                 if (tbl->family == AF_INET6) {
  60                         pin6 = (struct in6_addr *)__entry->primary_key6;
  61                         *pin6 = *(struct in6_addr *)pkey;
  62                 }
  63 #endif
  64         ),
  65
  66         TP_printk("family %d dev %s entries %d primary_key4 %pI4 primary_key6 %pI6c created %d gc_exempt %d",
  67                   __entry->family, __get_str(dev), __entry->entries,
  68                   __entry->primary_key4, __entry->primary_key6,
  69                   __entry->created, __entry->gc_exempt)
  70 );
  71
  72 TRACE_EVENT(neigh_update,
  73
  74         TP_PROTO(struct neighbour *n, const u8 *lladdr, u8 new,
  75                  u32 flags, u32 nlmsg_pid),
  76
  77         TP_ARGS(n, lladdr, new, flags, nlmsg_pid),
  78
  79         TP_STRUCT__entry(
  80                 __field(u32, family)
  81                 __string(dev, (n->dev ? n->dev->name : "NULL"))
  82                 __array(u8, lladdr, MAX_ADDR_LEN)
  83                 __field(u8, lladdr_len)
  84                 __field(u8, flags)
  85                 __field(u8, nud_state)
  86                 __field(u8, type)
  87                 __field(u8, dead)
  88                 __field(int, refcnt)
  89                 __array(__u8, primary_key4, 4)
  90                 __array(__u8, primary_key6, 16)
  91                 __field(unsigned long, confirmed)
  92                 __field(unsigned long, updated)
  93                 __field(unsigned long, used)
  94                 __array(u8, new_lladdr, MAX_ADDR_LEN)
  95                 __field(u8, new_state)
  96                 __field(u32, update_flags)
  97                 __field(u32, pid)
  98         ),
  99
 100         TP_fast_assign(
 101                 int lladdr_len = (n->dev ? n->dev->addr_len : MAX_ADDR_LEN);
 102                 struct in6_addr *pin6;
 103                 __be32 *p32;
 104
 105                 __entry->family = n->tbl->family;
 106                 __assign_str(dev, (n->dev ? n->dev->name : "NULL"));
 107                 __entry->lladdr_len = lladdr_len;
 108                 memcpy(__entry->lladdr, n->ha, lladdr_len);
 109                 __entry->flags = n->flags;
 110                 __entry->nud_state = n->nud_state;
 111                 __entry->type = n->type;
 112                 __entry->dead = n->dead;
 113                 __entry->refcnt = refcount_read(&n->refcnt);
 114                 pin6 = (struct in6_addr *)__entry->primary_key6;
 115                 p32 = (__be32 *)__entry->primary_key4;
 116
 117                 if (n->tbl->family == AF_INET)
 118                         *p32 = *(__be32 *)n->primary_key;
 119                 else
 120                         *p32 = 0;
 121
 122 #if IS_ENABLED(CONFIG_IPV6)
 123                 if (n->tbl->family == AF_INET6) {
 124                         pin6 = (struct in6_addr *)__entry->primary_key6;
 125                         *pin6 = *(struct in6_addr *)n->primary_key;
 126                 } else
 127 #endif
 128                 {
 129                         ipv6_addr_set_v4mapped(*p32, pin6);
 130                 }
 131                 __entry->confirmed = n->confirmed;
 132                 __entry->updated = n->updated;
 133                 __entry->used = n->used;
 134                 if (lladdr)
 135                         memcpy(__entry->new_lladdr, lladdr, lladdr_len);
 136                 __entry->new_state = new;
 137                 __entry->update_flags = flags;
 138                 __entry->pid = nlmsg_pid;
 139         ),
 140
 141         TP_printk("family %d dev %s lladdr %s flags %02x nud_state %s type %02x "
 142                   "dead %d refcnt %d primary_key4 %pI4 primary_key6 %pI6c "
 143                   "confirmed %lu updated %lu used %lu new_lladdr %s "
 144                   "new_state %s update_flags %02x pid %d",
 145                   __entry->family, __get_str(dev),
 146                   __print_hex_str(__entry->lladdr, __entry->lladdr_len),
 147                   __entry->flags, neigh_state_str(__entry->nud_state),
 148                   __entry->type, __entry->dead, __entry->refcnt,
 149                   __entry->primary_key4, __entry->primary_key6,
 150                   __entry->confirmed, __entry->updated, __entry->used,
 151                   __print_hex_str(__entry->new_lladdr, __entry->lladdr_len),
 152                   neigh_state_str(__entry->new_state),
 153                   __entry->update_flags, __entry->pid)
 154 );
 155
 156 DECLARE_EVENT_CLASS(neigh__update,
 157         TP_PROTO(struct neighbour *n, int err),
 158         TP_ARGS(n, err),
 159         TP_STRUCT__entry(
 160                 __field(u32, family)
 161                 __string(dev, (n->dev ? n->dev->name : "NULL"))
 162                 __array(u8, lladdr, MAX_ADDR_LEN)
 163                 __field(u8, lladdr_len)
 164                 __field(u8, flags)
 165                 __field(u8, nud_state)
 166                 __field(u8, type)
 167                 __field(u8, dead)
 168                 __field(int, refcnt)
 169                 __array(__u8, primary_key4, 4)
 170                 __array(__u8, primary_key6, 16)
 171                 __field(unsigned long, confirmed)
 172                 __field(unsigned long, updated)
 173                 __field(unsigned long, used)
 174                 __field(u32, err)
 175         ),
 176
 177         TP_fast_assign(
 178                 int lladdr_len = (n->dev ? n->dev->addr_len : MAX_ADDR_LEN);
 179                 struct in6_addr *pin6;
 180                 __be32 *p32;
 181
 182                 __entry->family = n->tbl->family;
 183                 __assign_str(dev, (n->dev ? n->dev->name : "NULL"));
 184                 __entry->lladdr_len = lladdr_len;
 185                 memcpy(__entry->lladdr, n->ha, lladdr_len);
 186                 __entry->flags = n->flags;
 187                 __entry->nud_state = n->nud_state;
 188                 __entry->type = n->type;
 189                 __entry->dead = n->dead;
 190                 __entry->refcnt = refcount_read(&n->refcnt);
 191                 pin6 = (struct in6_addr *)__entry->primary_key6;
 192                 p32 = (__be32 *)__entry->primary_key4;
 193
 194                 if (n->tbl->family == AF_INET)
 195                         *p32 = *(__be32 *)n->primary_key;
 196                 else
 197                         *p32 = 0;
 198
 199 #if IS_ENABLED(CONFIG_IPV6)
 200                 if (n->tbl->family == AF_INET6) {
 201                         pin6 = (struct in6_addr *)__entry->primary_key6;
 202                         *pin6 = *(struct in6_addr *)n->primary_key;
 203                 } else
 204 #endif
 205                 {
 206                         ipv6_addr_set_v4mapped(*p32, pin6);
 207                 }
 208
 209                 __entry->confirmed = n->confirmed;
 210                 __entry->updated = n->updated;
 211                 __entry->used = n->used;
 212                 __entry->err = err;
 213         ),
 214
 215         TP_printk("family %d dev %s lladdr %s flags %02x nud_state %s type %02x "
 216                   "dead %d refcnt %d primary_key4 %pI4 primary_key6 %pI6c "
 217                   "confirmed %lu updated %lu used %lu err %d",
 218                   __entry->family, __get_str(dev),
 219                   __print_hex_str(__entry->lladdr, __entry->lladdr_len),
 220                   __entry->flags, neigh_state_str(__entry->nud_state),
 221                   __entry->type, __entry->dead, __entry->refcnt,
 222                   __entry->primary_key4, __entry->primary_key6,
 223                   __entry->confirmed, __entry->updated, __entry->used,
 224                   __entry->err)
 225 );
 226
 227 DEFINE_EVENT(neigh__update, neigh_update_done,
 228         TP_PROTO(struct neighbour *neigh, int err),
 229         TP_ARGS(neigh, err)
 230 );
 231
 232 DEFINE_EVENT(neigh__update, neigh_timer_handler,
 233         TP_PROTO(struct neighbour *neigh, int err),
 234         TP_ARGS(neigh, err)
 235 );
 236
 237 DEFINE_EVENT(neigh__update, neigh_event_send_done,
 238         TP_PROTO(struct neighbour *neigh, int err),
 239         TP_ARGS(neigh, err)
 240 );
 241
 242 DEFINE_EVENT(neigh__update, neigh_event_send_dead,
 243         TP_PROTO(struct neighbour *neigh, int err),
 244         TP_ARGS(neigh, err)
 245 );
 246
 247 DEFINE_EVENT(neigh__update, neigh_cleanup_and_release,
 248         TP_PROTO(struct neighbour *neigh, int rc),
 249         TP_ARGS(neigh, rc)
 250 );
 251
 252 #endif /* _TRACE_NEIGH_H */
 253
 254 /* This part must be outside protection */
 255 #include <trace/define_trace.h>