lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[IPV4]: Add raw drops counter.

Browse Source 
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>
This commit is contained in:
Wang Chen
2007-11-13 20:30:01 -08:00
committed by David S. Miller
parent 6ff7751d06
commit 33c732c361
3 changed files with 19 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
net/ipv4/raw.c
View File

@@ -241,7 +241,7 @@ static int raw_rcv_skb(struct sock * sk, struct sk_buff * skb)
/* 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 @@ static int raw_rcv_skb(struct sock * sk, struct sk_buff * skb)
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 @@ static __inline__ char *get_raw_sock(struct sock *sp, char *tmpbuf, int i)
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;