/*
* Statistics
*/
-DEFINE_SNMP_STAT(struct icmp_mib, icmp_statistics);
+DEFINE_SNMP_STAT(struct icmp_mib, icmp_statistics) __read_mostly;
/* An array of errno for error messages from dest unreach. */
/* RFC 1122: 3.2.2.1 States that NET_UNREACH, HOST_UNREACH and SR_FAILED MUST be considered 'transient errs'. */
{
struct sk_buff *skb;
- ip_append_data(icmp_socket->sk, icmp_glue_bits, icmp_param,
- icmp_param->data_len+icmp_param->head_len,
- icmp_param->head_len,
- ipc, rt, MSG_DONTWAIT);
-
- if ((skb = skb_peek(&icmp_socket->sk->sk_write_queue)) != NULL) {
+ if (ip_append_data(icmp_socket->sk, icmp_glue_bits, icmp_param,
+ icmp_param->data_len+icmp_param->head_len,
+ icmp_param->head_len,
+ ipc, rt, MSG_DONTWAIT) < 0)
+ ip_flush_pending_frames(icmp_socket->sk);
+ else if ((skb = skb_peek(&icmp_socket->sk->sk_write_queue)) != NULL) {
struct icmphdr *icmph = skb->h.icmph;
unsigned int csum = 0;
struct sk_buff *skb1;
break;
case ICMP_FRAG_NEEDED:
if (ipv4_config.no_pmtu_disc) {
- LIMIT_NETDEBUG(
- printk(KERN_INFO "ICMP: %u.%u.%u.%u: "
+ LIMIT_NETDEBUG(KERN_INFO "ICMP: %u.%u.%u.%u: "
"fragmentation needed "
"and DF set.\n",
- NIPQUAD(iph->daddr)));
+ NIPQUAD(iph->daddr));
} else {
info = ip_rt_frag_needed(iph,
ntohs(icmph->un.frag.mtu));
}
break;
case ICMP_SR_FAILED:
- LIMIT_NETDEBUG(
- printk(KERN_INFO "ICMP: %u.%u.%u.%u: Source "
+ LIMIT_NETDEBUG(KERN_INFO "ICMP: %u.%u.%u.%u: Source "
"Route Failed.\n",
- NIPQUAD(iph->daddr)));
+ NIPQUAD(iph->daddr));
break;
default:
break;
case CHECKSUM_HW:
if (!(u16)csum_fold(skb->csum))
break;
- LIMIT_NETDEBUG(printk(KERN_DEBUG "icmp v4 hw csum failure\n"));
+ LIMIT_NETDEBUG(KERN_DEBUG "icmp v4 hw csum failure\n");
case CHECKSUM_NONE:
if ((u16)csum_fold(skb_checksum(skb, 0, skb->len, 0)))
goto error;