[PATCH 2/2] SOCK: add raw6 drops counter

[Wang Chen]

Add raw drops counter for IPv6 in /proc/net/raw6 .

Signed-off-by: Wang Chen <[EMAIL PROTECTED]>
---
 raw.c |   15 ++++++++-------
 1 files changed, 8 insertions(+), 7 deletions(-)

diff -Nurp linux-2.6.24-rc2.org/net/ipv6/raw.c linux-2.6.24-rc2/net/ipv6/raw.c
--- linux-2.6.24-rc2.org/net/ipv6/raw.c 2007-11-09 16:38:05.000000000 +0800
+++ linux-2.6.24-rc2/net/ipv6/raw.c     2007-11-14 09:46:54.000000000 +0800
@@ -354,14 +354,14 @@ static inline int rawv6_rcv_skb(struct s
 {
        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
        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
 
        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;
 }
 
@@ -1251,7 +1252,7 @@ static void raw6_sock_seq_show(struct se
        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,
@@ -1263,7 +1264,7 @@ static void raw6_sock_seq_show(struct se
                   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)
@@ -1274,7 +1275,7 @@ static int raw6_seq_show(struct seq_file
                           "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;

-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html