netdev - [PATCH] Phonet: account for dropped RX packets

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Message-Id: <1248177479-12669-3-git-send-email-remi.denis-courmont@nokia.com>
Date:	Tue, 21 Jul 2009 14:57:59 +0300
From:	Rémi Denis-Courmont 
	<remi.denis-courmont@...ia.com>
To:	netdev@...r.kernel.org
Subject: [PATCH] Phonet: account for dropped RX packets

From: Rémi Denis-Courmont <remi.denis-courmont@...ia.com>

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@...ia.com>
---
 net/phonet/pep.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index eef833e..b8252d2 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -346,8 +346,10 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb)
 		break;
 
 	case PNS_PEP_CTRL_REQ:
-		if (skb_queue_len(&pn->ctrlreq_queue) >= PNPIPE_CTRLREQ_MAX)
+		if (skb_queue_len(&pn->ctrlreq_queue) >= PNPIPE_CTRLREQ_MAX) {
+			atomic_inc(&sk->sk_drops);
 			break;
+		}
 		__skb_pull(skb, 4);
 		queue = &pn->ctrlreq_queue;
 		goto queue;
@@ -358,10 +360,13 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb)
 			err = sock_queue_rcv_skb(sk, skb);
 			if (!err)
 				return 0;
+			if (err == -ENOMEM)
+				atomic_inc(&sk->sk_drops);
 			break;
 		}
 
 		if (pn->rx_credits == 0) {
+			atomic_inc(&sk->sk_drops);
 			err = -ENOBUFS;
 			break;
 		}
-- 
1.6.0.4

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