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Commit a92aa318 authored by Wang Chen's avatar Wang Chen Committed by David S. Miller
Browse files

[IPV6]: Add raw6 drops counter. 



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

Signed-off-by: default avatarWang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 33c732c3

net/ipv6/raw.c

+8 −7
Original line number Diff line number Diff line
@@ -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;