From a92aa318b4b369091fd80433c80e62838db8bc1c Mon Sep 17 00:00:00 2001 From: Wang Chen Date: Tue, 13 Nov 2007 20:31:14 -0800 Subject: [PATCH] [IPV6]: Add raw6 drops counter. Add raw drops counter for IPv6 in /proc/net/raw6 . Signed-off-by: Wang Chen Signed-off-by: David S. Miller --- net/ipv6/raw.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 807260d035..ae314f3fea 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -354,14 +354,14 @@ static inline int rawv6_rcv_skb(struct sock * sk, struct sk_buff * skb) { if ((raw6_sk(sk)->checksum || sk->sk_filter) && skb_checksum_complete(skb)) { - /* FIXME: increment a raw6 drops counter here */ + atomic_inc(&sk->sk_drops); kfree_skb(skb); return 0; } /* Charge it to the socket. */ if (sock_queue_rcv_skb(sk,skb)<0) { - /* FIXME: increment a raw6 drops counter here */ + atomic_inc(&sk->sk_drops); kfree_skb(skb); return 0; } @@ -382,6 +382,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb) struct raw6_sock *rp = raw6_sk(sk); if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) { + atomic_inc(&sk->sk_drops); kfree_skb(skb); return NET_RX_DROP; } @@ -405,7 +406,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb) if (inet->hdrincl) { if (skb_checksum_complete(skb)) { - /* FIXME: increment a raw6 drops counter here */ + atomic_inc(&sk->sk_drops); kfree_skb(skb); return 0; } @@ -496,7 +497,7 @@ csum_copy_err: as some normal condition. */ err = (flags&MSG_DONTWAIT) ? -EAGAIN : -EHOSTUNREACH; - /* FIXME: increment a raw6 drops counter here */ + atomic_inc(&sk->sk_drops); goto out; } @@ -1254,7 +1255,7 @@ static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i) srcp = inet_sk(sp)->num; seq_printf(seq, "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X " - "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p\n", + "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n", i, src->s6_addr32[0], src->s6_addr32[1], src->s6_addr32[2], src->s6_addr32[3], srcp, @@ -1266,7 +1267,7 @@ static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i) 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp), - atomic_read(&sp->sk_refcnt), sp); + atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops)); } static int raw6_seq_show(struct seq_file *seq, void *v) @@ -1277,7 +1278,7 @@ static int raw6_seq_show(struct seq_file *seq, void *v) "local_address " "remote_address " "st tx_queue rx_queue tr tm->when retrnsmt" - " uid timeout inode\n"); + " uid timeout inode drops\n"); else raw6_sock_seq_show(seq, v, raw6_seq_private(seq)->bucket); return 0; -- 2.39.5