diff options
Diffstat (limited to 'include/trace/events/neigh.h')
| -rw-r--r-- | include/trace/events/neigh.h | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/include/trace/events/neigh.h b/include/trace/events/neigh.h new file mode 100644 index 000000000..833143d09 --- /dev/null +++ b/include/trace/events/neigh.h @@ -0,0 +1,255 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM neigh + +#if !defined(_TRACE_NEIGH_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_NEIGH_H + +#include <linux/skbuff.h> +#include <linux/netdevice.h> +#include <linux/tracepoint.h> +#include <net/neighbour.h> + +#define neigh_state_str(state) \ + __print_symbolic(state, \ + { NUD_INCOMPLETE, "incomplete" }, \ + { NUD_REACHABLE, "reachable" }, \ + { NUD_STALE, "stale" }, \ + { NUD_DELAY, "delay" }, \ + { NUD_PROBE, "probe" }, \ + { NUD_FAILED, "failed" }, \ + { NUD_NOARP, "noarp" }, \ + { NUD_PERMANENT, "permanent"}) + +TRACE_EVENT(neigh_create, + + TP_PROTO(struct neigh_table *tbl, struct net_device *dev, + const void *pkey, const struct neighbour *n, + bool exempt_from_gc), + + TP_ARGS(tbl, dev, pkey, n, exempt_from_gc), + + TP_STRUCT__entry( + __field(u32, family) + __string(dev, dev ? dev->name : "NULL") + __field(int, entries) + __field(u8, created) + __field(u8, gc_exempt) + __array(u8, primary_key4, 4) + __array(u8, primary_key6, 16) + ), + + TP_fast_assign( + __be32 *p32; + + __entry->family = tbl->family; + __assign_str(dev, (dev ? dev->name : "NULL")); + __entry->entries = atomic_read(&tbl->gc_entries); + __entry->created = n != NULL; + __entry->gc_exempt = exempt_from_gc; + p32 = (__be32 *)__entry->primary_key4; + + if (tbl->family == AF_INET) + *p32 = *(__be32 *)pkey; + else + *p32 = 0; + +#if IS_ENABLED(CONFIG_IPV6) + if (tbl->family == AF_INET6) { + struct in6_addr *pin6; + + pin6 = (struct in6_addr *)__entry->primary_key6; + *pin6 = *(struct in6_addr *)pkey; + } +#endif + ), + + TP_printk("family %d dev %s entries %d primary_key4 %pI4 primary_key6 %pI6c created %d gc_exempt %d", + __entry->family, __get_str(dev), __entry->entries, + __entry->primary_key4, __entry->primary_key6, + __entry->created, __entry->gc_exempt) +); + +TRACE_EVENT(neigh_update, + + TP_PROTO(struct neighbour *n, const u8 *lladdr, u8 new, + u32 flags, u32 nlmsg_pid), + + TP_ARGS(n, lladdr, new, flags, nlmsg_pid), + + TP_STRUCT__entry( + __field(u32, family) + __string(dev, (n->dev ? n->dev->name : "NULL")) + __array(u8, lladdr, MAX_ADDR_LEN) + __field(u8, lladdr_len) + __field(u8, flags) + __field(u8, nud_state) + __field(u8, type) + __field(u8, dead) + __field(int, refcnt) + __array(__u8, primary_key4, 4) + __array(__u8, primary_key6, 16) + __field(unsigned long, confirmed) + __field(unsigned long, updated) + __field(unsigned long, used) + __array(u8, new_lladdr, MAX_ADDR_LEN) + __field(u8, new_state) + __field(u32, update_flags) + __field(u32, pid) + ), + + TP_fast_assign( + int lladdr_len = (n->dev ? n->dev->addr_len : MAX_ADDR_LEN); + struct in6_addr *pin6; + __be32 *p32; + + __entry->family = n->tbl->family; + __assign_str(dev, (n->dev ? n->dev->name : "NULL")); + __entry->lladdr_len = lladdr_len; + memcpy(__entry->lladdr, n->ha, lladdr_len); + __entry->flags = n->flags; + __entry->nud_state = n->nud_state; + __entry->type = n->type; + __entry->dead = n->dead; + __entry->refcnt = refcount_read(&n->refcnt); + pin6 = (struct in6_addr *)__entry->primary_key6; + p32 = (__be32 *)__entry->primary_key4; + + if (n->tbl->family == AF_INET) + *p32 = *(__be32 *)n->primary_key; + else + *p32 = 0; + +#if IS_ENABLED(CONFIG_IPV6) + if (n->tbl->family == AF_INET6) { + pin6 = (struct in6_addr *)__entry->primary_key6; + *pin6 = *(struct in6_addr *)n->primary_key; + } else +#endif + { + ipv6_addr_set_v4mapped(*p32, pin6); + } + __entry->confirmed = n->confirmed; + __entry->updated = n->updated; + __entry->used = n->used; + if (lladdr) + memcpy(__entry->new_lladdr, lladdr, lladdr_len); + __entry->new_state = new; + __entry->update_flags = flags; + __entry->pid = nlmsg_pid; + ), + + TP_printk("family %d dev %s lladdr %s flags %02x nud_state %s type %02x " + "dead %d refcnt %d primary_key4 %pI4 primary_key6 %pI6c " + "confirmed %lu updated %lu used %lu new_lladdr %s " + "new_state %s update_flags %02x pid %d", + __entry->family, __get_str(dev), + __print_hex_str(__entry->lladdr, __entry->lladdr_len), + __entry->flags, neigh_state_str(__entry->nud_state), + __entry->type, __entry->dead, __entry->refcnt, + __entry->primary_key4, __entry->primary_key6, + __entry->confirmed, __entry->updated, __entry->used, + __print_hex_str(__entry->new_lladdr, __entry->lladdr_len), + neigh_state_str(__entry->new_state), + __entry->update_flags, __entry->pid) +); + +DECLARE_EVENT_CLASS(neigh__update, + TP_PROTO(struct neighbour *n, int err), + TP_ARGS(n, err), + TP_STRUCT__entry( + __field(u32, family) + __string(dev, (n->dev ? n->dev->name : "NULL")) + __array(u8, lladdr, MAX_ADDR_LEN) + __field(u8, lladdr_len) + __field(u8, flags) + __field(u8, nud_state) + __field(u8, type) + __field(u8, dead) + __field(int, refcnt) + __array(__u8, primary_key4, 4) + __array(__u8, primary_key6, 16) + __field(unsigned long, confirmed) + __field(unsigned long, updated) + __field(unsigned long, used) + __field(u32, err) + ), + + TP_fast_assign( + int lladdr_len = (n->dev ? n->dev->addr_len : MAX_ADDR_LEN); + struct in6_addr *pin6; + __be32 *p32; + + __entry->family = n->tbl->family; + __assign_str(dev, (n->dev ? n->dev->name : "NULL")); + __entry->lladdr_len = lladdr_len; + memcpy(__entry->lladdr, n->ha, lladdr_len); + __entry->flags = n->flags; + __entry->nud_state = n->nud_state; + __entry->type = n->type; + __entry->dead = n->dead; + __entry->refcnt = refcount_read(&n->refcnt); + pin6 = (struct in6_addr *)__entry->primary_key6; + p32 = (__be32 *)__entry->primary_key4; + + if (n->tbl->family == AF_INET) + *p32 = *(__be32 *)n->primary_key; + else + *p32 = 0; + +#if IS_ENABLED(CONFIG_IPV6) + if (n->tbl->family == AF_INET6) { + pin6 = (struct in6_addr *)__entry->primary_key6; + *pin6 = *(struct in6_addr *)n->primary_key; + } else +#endif + { + ipv6_addr_set_v4mapped(*p32, pin6); + } + + __entry->confirmed = n->confirmed; + __entry->updated = n->updated; + __entry->used = n->used; + __entry->err = err; + ), + + TP_printk("family %d dev %s lladdr %s flags %02x nud_state %s type %02x " + "dead %d refcnt %d primary_key4 %pI4 primary_key6 %pI6c " + "confirmed %lu updated %lu used %lu err %d", + __entry->family, __get_str(dev), + __print_hex_str(__entry->lladdr, __entry->lladdr_len), + __entry->flags, neigh_state_str(__entry->nud_state), + __entry->type, __entry->dead, __entry->refcnt, + __entry->primary_key4, __entry->primary_key6, + __entry->confirmed, __entry->updated, __entry->used, + __entry->err) +); + +DEFINE_EVENT(neigh__update, neigh_update_done, + TP_PROTO(struct neighbour *neigh, int err), + TP_ARGS(neigh, err) +); + +DEFINE_EVENT(neigh__update, neigh_timer_handler, + TP_PROTO(struct neighbour *neigh, int err), + TP_ARGS(neigh, err) +); + +DEFINE_EVENT(neigh__update, neigh_event_send_done, + TP_PROTO(struct neighbour *neigh, int err), + TP_ARGS(neigh, err) +); + +DEFINE_EVENT(neigh__update, neigh_event_send_dead, + TP_PROTO(struct neighbour *neigh, int err), + TP_ARGS(neigh, err) +); + +DEFINE_EVENT(neigh__update, neigh_cleanup_and_release, + TP_PROTO(struct neighbour *neigh, int rc), + TP_ARGS(neigh, rc) +); + +#endif /* _TRACE_NEIGH_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |