udp: sk_drops handling

[h-e-n] / net / ipv6 / udp.c

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 432edaa..f91e1df 100644 (file)
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -297,8 +297,10 @@ int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
 
        if ((rc = sock_queue_rcv_skb(sk,skb)) < 0) {
                /* Note that an ENOMEM error is charged twice */
-               if (rc == -ENOMEM)
+               if (rc == -ENOMEM) {
                        UDP6_INC_STATS_BH(UDP_MIB_RCVBUFERRORS, is_udplite);
+                       atomic_inc(&sk->sk_drops);
+               }
                goto drop;
        }
 
@@ -955,7 +957,7 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
        srcp  = ntohs(inet->sport);
        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",
                   bucket,
                   src->s6_addr32[0], src->s6_addr32[1],
                   src->s6_addr32[2], src->s6_addr32[3], srcp,
@@ -967,7 +969,8 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
                   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));
 }
 
 int udp6_seq_show(struct seq_file *seq, void *v)
@@ -978,7 +981,7 @@ int udp6_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 ref pointer drops\n");
        else
                udp6_sock_seq_show(seq, v, ((struct udp_iter_state *)seq->private)->bucket);
        return 0;