netdev - [PATCH v3 7/7] sctp: improve debug message to also log curr pkt and new chunk size

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Message-Id: <b77fec5ed91323dcad8e56fbaeae62e6e1326d01.1464888550.git.marcelo.leitner@gmail.com>
Date:	Thu,  2 Jun 2016 15:05:44 -0300
From:	Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
To:	netdev@...r.kernel.org
Cc:	linux-sctp@...r.kernel.org, Xin Long <lucien.xin@...il.com>,
	Neil Horman <nhorman@...driver.com>,
	David Laight <David.Laight@...LAB.COM>,
	Vlad Yasevich <vyasevich@...il.com>,
	Alexander Duyck <alexander.duyck@...il.com>,
	Daniel Borkmann <daniel@...earbox.net>,
	Florian Westphal <fw@...len.de>,
	Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH v3 7/7] sctp: improve debug message to also log curr pkt and new chunk size

This is useful for debugging packet sizes.

Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
Tested-by: Xin Long <lucien.xin@...il.com>
---
 net/sctp/output.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/sctp/output.c b/net/sctp/output.c
index 60499a69179d255c47da1fa19b73147917a050bf..90d2e125c2f5e0e1ecb33a7eab10772e5b39567c 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -182,7 +182,8 @@ sctp_xmit_t sctp_packet_transmit_chunk(struct sctp_packet *packet,
 	sctp_xmit_t retval;
 	int error = 0;
 
-	pr_debug("%s: packet:%p chunk:%p\n", __func__, packet, chunk);
+	pr_debug("%s: packet:%p size:%lu chunk:%p size:%d\n", __func__,
+		 packet, packet->size, chunk, chunk->skb ? chunk->skb->len : -1);
 
 	switch ((retval = (sctp_packet_append_chunk(packet, chunk)))) {
 	case SCTP_XMIT_PMTU_FULL:
-- 
2.5.5