diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 1db63db7e5d4..b96e47f1c8a2 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1794,14 +1794,32 @@ int __udp_enqueue_schedule_skb(struct sock *sk, struct sk_buff *skb) } if (unlikely(to_drop)) { + int err_ipv4 = 0; + int err_ipv6 = 0; + for (nb = 0; to_drop != NULL; nb++) { skb = to_drop; + if (skb->protocol == htons(ETH_P_IP)) + err_ipv4++; + else + err_ipv6++; to_drop = skb->next; skb_mark_not_on_list(skb); - /* TODO: update SNMP values. */ sk_skb_reason_drop(sk, skb, SKB_DROP_REASON_PROTO_MEM); } numa_drop_add(&udp_sk(sk)->drop_counters, nb); + if (err_ipv4 > 0) { + SNMP_ADD_STATS(__UDPX_MIB(sk, true), UDP_MIB_MEMERRORS, + err_ipv4); + SNMP_ADD_STATS(__UDPX_MIB(sk, true), UDP_MIB_INERRORS, + err_ipv4); + } + if (err_ipv6 > 0) { + SNMP_ADD_STATS(__UDPX_MIB(sk, false), UDP_MIB_MEMERRORS, + err_ipv6); + SNMP_ADD_STATS(__UDPX_MIB(sk, false), UDP_MIB_INERRORS, + err_ipv6); + } } atomic_sub(total_size, &udp_prod_queue->rmem_alloc);