diff options
| -rw-r--r-- | include/net/sock.h | 11 | ||||
| -rw-r--r-- | net/core/sock.c | 1 | ||||
| -rw-r--r-- | net/ipv4/raw.c | 17 |
3 files changed, 19 insertions, 10 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 6e1542da33a..f5b64371413 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -145,7 +145,8 @@ struct sock_common { * @sk_forward_alloc: space allocated forward * @sk_allocation: allocation mode * @sk_sndbuf: size of send buffer in bytes - * @sk_flags: %SO_LINGER (l_onoff), %SO_BROADCAST, %SO_KEEPALIVE, %SO_OOBINLINE settings + * @sk_flags: %SO_LINGER (l_onoff), %SO_BROADCAST, %SO_KEEPALIVE, + * %SO_OOBINLINE settings * @sk_no_check: %SO_NO_CHECK setting, wether or not checkup packets * @sk_route_caps: route capabilities (e.g. %NETIF_F_TSO) * @sk_gso_type: GSO type (e.g. %SKB_GSO_TCPV4) @@ -153,9 +154,12 @@ struct sock_common { * @sk_backlog: always used with the per-socket spinlock held * @sk_callback_lock: used with the callbacks in the end of this struct * @sk_error_queue: rarely used - * @sk_prot_creator: sk_prot of original sock creator (see ipv6_setsockopt, IPV6_ADDRFORM for instance) + * @sk_prot_creator: sk_prot of original sock creator (see ipv6_setsockopt, + * IPV6_ADDRFORM for instance) * @sk_err: last error - * @sk_err_soft: errors that don't cause failure but are the cause of a persistent failure not just 'timed out' + * @sk_err_soft: errors that don't cause failure but are the cause of a + * persistent failure not just 'timed out' + * @sk_drops: raw drops counter * @sk_ack_backlog: current listen backlog * @sk_max_ack_backlog: listen backlog set in listen() * @sk_priority: %SO_PRIORITY setting @@ -239,6 +243,7 @@ struct sock { rwlock_t sk_callback_lock; int sk_err, sk_err_soft; + atomic_t sk_drops; unsigned short sk_ack_backlog; unsigned short sk_max_ack_backlog; __u32 sk_priority; diff --git a/net/core/sock.c b/net/core/sock.c index c519b439b8b..2029d095b4c 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1611,6 +1611,7 @@ void sock_init_data(struct socket *sock, struct sock *sk) sk->sk_stamp = ktime_set(-1L, -1L); atomic_set(&sk->sk_refcnt, 1); + atomic_set(&sk->sk_drops, 0); } void fastcall lock_sock_nested(struct sock *sk, int subclass) diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index e7050f8eabe..761056ef493 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -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; |