diff options
| author | Roopa Prabhu <roopa@cumulusnetworks.com> | 2017-08-29 13:16:57 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-29 14:49:45 -0700 |
| commit | b74fd306ef2d48781e807dd506cca818bb83d749 (patch) | |
| tree | 1b308352cee29a80363c6f9c58630aa5445bb19a /net | |
| parent | a7043f65f62c1799df15a6675b28e355939f8c06 (diff) | |
| download | linux-b74fd306ef2d48781e807dd506cca818bb83d749.tar.bz2 | |
bridge: fdb add and delete tracepoints
A few useful tracepoints to trace bridge forwarding
database updates.
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bridge/br_fdb.c | 7 | ||||
| -rw-r--r-- | net/core/net-traces.c | 6 |
2 files changed, 13 insertions, 0 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index a79b648aac88..be5e1da6d824 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -25,6 +25,7 @@ #include <asm/unaligned.h> #include <linux/if_vlan.h> #include <net/switchdev.h> +#include <trace/events/bridge.h> #include "br_private.h" static struct kmem_cache *br_fdb_cache __read_mostly; @@ -171,6 +172,8 @@ static void fdb_del_hw_addr(struct net_bridge *br, const unsigned char *addr) static void fdb_delete(struct net_bridge *br, struct net_bridge_fdb_entry *f) { + trace_fdb_delete(br, f); + if (f->is_static) fdb_del_hw_addr(br, f->addr.addr); @@ -870,6 +873,8 @@ int br_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], struct net_bridge *br = NULL; int err = 0; + trace_br_fdb_add(ndm, dev, addr, vid, nlh_flags); + if (!(ndm->ndm_state & (NUD_PERMANENT|NUD_NOARP|NUD_REACHABLE))) { pr_info("bridge: RTM_NEWNEIGH with invalid state %#x\n", ndm->ndm_state); return -EINVAL; @@ -1066,6 +1071,8 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, bool modified = false; int err = 0; + trace_br_fdb_external_learn_add(br, p, addr, vid); + spin_lock_bh(&br->hash_lock); head = &br->hash[br_mac_hash(addr, vid)]; diff --git a/net/core/net-traces.c b/net/core/net-traces.c index 4f1468ccd056..4a0292c97070 100644 --- a/net/core/net-traces.c +++ b/net/core/net-traces.c @@ -37,6 +37,12 @@ #include <trace/events/fib6.h> EXPORT_TRACEPOINT_SYMBOL_GPL(fib6_table_lookup); #endif +#if IS_ENABLED(CONFIG_BRIDGE) +#include <trace/events/bridge.h> +EXPORT_TRACEPOINT_SYMBOL_GPL(br_fdb_add); +EXPORT_TRACEPOINT_SYMBOL_GPL(br_fdb_external_learn_add); +EXPORT_TRACEPOINT_SYMBOL_GPL(fdb_delete); +#endif EXPORT_TRACEPOINT_SYMBOL_GPL(kfree_skb); |