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authorDavid Howells <dhowells@redhat.com>2016-09-23 14:39:22 +0300
committerDavid Howells <dhowells@redhat.com>2016-09-23 17:49:19 +0300
commit89b475abdb107a74f57497b65becaf837a0e5b6b (patch)
tree480653f3ea539c2b9313d32485573a67c4073b72 /net/rxrpc
parentbe832aecc5ba811728e15a10f675f4a2187f25dd (diff)
downloadlinux-89b475abdb107a74f57497b65becaf837a0e5b6b.tar.xz
rxrpc: Add a tracepoint to log injected Rx packet loss
Add a tracepoint to log received packets that get discarded due to Rx packet loss. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc')
-rw-r--r--net/rxrpc/input.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index fb3e2f6afa3b..19b1e189f5dc 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -837,20 +837,19 @@ void rxrpc_data_ready(struct sock *udp_sk)
skb_orphan(skb);
sp = rxrpc_skb(skb);
+ /* dig out the RxRPC connection details */
+ if (rxrpc_extract_header(sp, skb) < 0)
+ goto bad_message;
+
if (IS_ENABLED(CONFIG_AF_RXRPC_INJECT_LOSS)) {
static int lose;
if ((lose++ & 7) == 7) {
+ trace_rxrpc_rx_lose(sp);
rxrpc_lose_skb(skb, rxrpc_skb_rx_lost);
return;
}
}
- _net("Rx UDP packet from %08x:%04hu",
- ntohl(ip_hdr(skb)->saddr), ntohs(udp_hdr(skb)->source));
-
- /* dig out the RxRPC connection details */
- if (rxrpc_extract_header(sp, skb) < 0)
- goto bad_message;
trace_rxrpc_rx_packet(sp);
_net("Rx RxRPC %s ep=%x call=%x:%x",