[IPV4]: Add raw drops counter.
Add raw drops counter for IPv4 in /proc/net/raw .
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index e7050f8..761056e 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -241,7 +241,7 @@
/* Charge it to the socket. */
if (sock_queue_rcv_skb(sk, skb) < 0) {
- /* FIXME: increment a raw drops counter here */
+ atomic_inc(&sk->sk_drops);
kfree_skb(skb);
return NET_RX_DROP;
}
@@ -252,6 +252,7 @@
int raw_rcv(struct sock *sk, struct sk_buff *skb)
{
if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) {
+ atomic_inc(&sk->sk_drops);
kfree_skb(skb);
return NET_RX_DROP;
}
@@ -871,28 +872,30 @@
srcp = inet->num;
sprintf(tmpbuf, "%4d: %08X:%04X %08X:%04X"
- " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p",
+ " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d",
i, src, srcp, dest, destp, sp->sk_state,
atomic_read(&sp->sk_wmem_alloc),
atomic_read(&sp->sk_rmem_alloc),
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));
return tmpbuf;
}
+#define TMPSZ 128
+
static int raw_seq_show(struct seq_file *seq, void *v)
{
- char tmpbuf[129];
+ char tmpbuf[TMPSZ+1];
if (v == SEQ_START_TOKEN)
- seq_printf(seq, "%-127s\n",
+ seq_printf(seq, "%-*s\n", TMPSZ-1,
" sl local_address rem_address st tx_queue "
"rx_queue tr tm->when retrnsmt uid timeout "
- "inode");
+ "inode drops");
else {
struct raw_iter_state *state = raw_seq_private(seq);
- seq_printf(seq, "%-127s\n",
+ seq_printf(seq, "%-*s\n", TMPSZ-1,
get_raw_sock(v, tmpbuf, state->bucket));
}
return 0;
