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authorDavid Howells <dhowells@redhat.com>2016-09-17 10:49:14 +0100
committerDavid Howells <dhowells@redhat.com>2016-09-17 11:24:04 +0100
commit71f3ca408fd43b586c02480768a503af075b247e (patch)
tree9fcca5ef4f931aa9836e5f92b78abfb5c2d68a55 /net/rxrpc/conn_event.c
parentba39f3a0ed756ccd882adf4a77916ec863db3ce4 (diff)
rxrpc: Improve skb tracing
Improve sk_buff tracing within AF_RXRPC by the following means: (1) Use an enum to note the event type rather than plain integers and use an array of event names rather than a big multi ?: list. (2) Distinguish Rx from Tx packets and account them separately. This requires the call phase to be tracked so that we know what we might find in rxtx_buffer[]. (3) Add a parameter to rxrpc_{new,see,get,free}_skb() to indicate the event type. (4) A pair of 'rotate' events are added to indicate packets that are about to be rotated out of the Rx and Tx windows. (5) A pair of 'lost' events are added, along with rxrpc_lose_skb() for packet loss injection recording. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc/conn_event.c')
-rw-r--r--net/rxrpc/conn_event.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c
index 9b19c51831aa..75a15a4c74c3 100644
--- a/net/rxrpc/conn_event.c
+++ b/net/rxrpc/conn_event.c
@@ -388,7 +388,7 @@ void rxrpc_process_connection(struct work_struct *work)
/* go through the conn-level event packets, releasing the ref on this
* connection that each one has when we've finished with it */
while ((skb = skb_dequeue(&conn->rx_queue))) {
- rxrpc_see_skb(skb);
+ rxrpc_see_skb(skb, rxrpc_skb_rx_seen);
ret = rxrpc_process_event(conn, skb, &abort_code);
switch (ret) {
case -EPROTO:
@@ -399,7 +399,7 @@ void rxrpc_process_connection(struct work_struct *work)
goto requeue_and_leave;
case -ECONNABORTED:
default:
- rxrpc_free_skb(skb);
+ rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
break;
}
}
@@ -416,7 +416,7 @@ requeue_and_leave:
protocol_error:
if (rxrpc_abort_connection(conn, -ret, abort_code) < 0)
goto requeue_and_leave;
- rxrpc_free_skb(skb);
+ rxrpc_free_skb(skb, rxrpc_skb_rx_freed);
_leave(" [EPROTO]");
goto out;
}