diff options
Diffstat (limited to 'net/mctp/route.c')
| -rw-r--r-- | net/mctp/route.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/net/mctp/route.c b/net/mctp/route.c index c342adf4f97f..acc5bb39e16d 100644 --- a/net/mctp/route.c +++ b/net/mctp/route.c @@ -23,10 +23,11 @@ #include <net/netlink.h> #include <net/sock.h> +#include <trace/events/mctp.h> + static const unsigned int mctp_message_maxlen = 64 * 1024; static const unsigned long mctp_key_lifetime = 6 * CONFIG_HZ; - /* route output callbacks */ static int mctp_route_discard(struct mctp_route *route, struct sk_buff *skb) { @@ -332,6 +333,8 @@ static int mctp_route_input(struct mctp_route *route, struct sk_buff *skb) /* we've hit a pending reassembly; not much we * can do but drop it */ + trace_mctp_key_release(key, + MCTP_TRACE_KEY_REPLIED); __mctp_key_unlock_drop(key, net, f); key = NULL; } @@ -365,12 +368,16 @@ static int mctp_route_input(struct mctp_route *route, struct sk_buff *skb) if (rc) kfree(key); + trace_mctp_key_acquire(key); + /* we don't need to release key->lock on exit */ key = NULL; } else { if (key->reasm_head || key->reasm_dead) { /* duplicate start? drop everything */ + trace_mctp_key_release(key, + MCTP_TRACE_KEY_INVALIDATED); __mctp_key_unlock_drop(key, net, f); rc = -EEXIST; key = NULL; @@ -396,6 +403,7 @@ static int mctp_route_input(struct mctp_route *route, struct sk_buff *skb) if (!rc && flags & MCTP_HDR_FLAG_EOM) { sock_queue_rcv_skb(key->sk, key->reasm_head); key->reasm_head = NULL; + trace_mctp_key_release(key, MCTP_TRACE_KEY_REPLIED); __mctp_key_unlock_drop(key, net, f); key = NULL; } @@ -572,6 +580,8 @@ static int mctp_alloc_local_tag(struct mctp_sock *msk, if (tagbits) { key->tag = __ffs(tagbits); mctp_reserve_tag(net, key, msk); + trace_mctp_key_acquire(key); + *tagp = key->tag; rc = 0; } |