[PATCH 22/31] [DCCP]: More debug information for dccp_wait_for_ccid
From: Arnaldo Carvalho de Melo <hidden>
Date: 2007-03-20 23:16:55
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
This adds more detail in the wait_for_ccid packet scheduling loop. In particular, it informs about (i) when delay is used and (ii) why a packet is discarded. Signed-off-by: Gerrit Renker <redacted> Signed-off-by: Ian McDonald <redacted> Signed-off-by: Arnaldo Carvalho de Melo <redacted> --- net/dccp/output.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/net/dccp/output.c b/net/dccp/output.c
index aa21cc4..c8d843e 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c@@ -194,6 +194,7 @@ static int dccp_wait_for_ccid(struct sock *sk, struct sk_buff *skb) rc = ccid_hc_tx_send_packet(dp->dccps_hc_tx_ccid, sk, skb); if (rc <= 0) break; + dccp_pr_debug("delayed send by %d msec\n", rc); delay = msecs_to_jiffies(rc); sk->sk_write_pending++; release_sock(sk);
@@ -255,7 +256,7 @@ void dccp_write_xmit(struct sock *sk, int block) DCCP_BUG("err=%d after ccid_hc_tx_packet_sent", err); } else { - dccp_pr_debug("packet discarded\n"); + dccp_pr_debug("packet discarded due to err=%d\n", err); kfree_skb(skb); } }
--
1.5.0.3