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yaml
---
r: 89812
b: refs/heads/master
c: 1e3cf68
h: refs/heads/master
v: v3
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Denis V. Lunev authored and David S. Miller committed Feb 29, 2008
1 parent b5eb89d commit 5cfe644
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Showing 2 changed files with 18 additions and 13 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a5710d6582868a96cf0fe02eac11d34cfbc783c9
refs/heads/master: 1e3cf6834e7db1eac94314338c9e30c2103ac409
29 changes: 17 additions & 12 deletions trunk/net/ipv4/icmp.c
Original file line number Diff line number Diff line change
Expand Up @@ -346,27 +346,29 @@ static int icmp_glue_bits(void *from, char *to, int offset, int len, int odd,
static void icmp_push_reply(struct icmp_bxm *icmp_param,
struct ipcm_cookie *ipc, struct rtable *rt)
{
struct sock *sk;
struct sk_buff *skb;

if (ip_append_data(icmp_socket->sk, icmp_glue_bits, icmp_param,
sk = icmp_socket->sk;
if (ip_append_data(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) {
ip_flush_pending_frames(sk);
else if ((skb = skb_peek(&sk->sk_write_queue)) != NULL) {
struct icmphdr *icmph = icmp_hdr(skb);
__wsum csum = 0;
struct sk_buff *skb1;

skb_queue_walk(&icmp_socket->sk->sk_write_queue, skb1) {
skb_queue_walk(&sk->sk_write_queue, skb1) {
csum = csum_add(csum, skb1->csum);
}
csum = csum_partial_copy_nocheck((void *)&icmp_param->data,
(char *)icmph,
icmp_param->head_len, csum);
icmph->checksum = csum_fold(csum);
skb->ip_summed = CHECKSUM_NONE;
ip_push_pending_frames(icmp_socket->sk);
ip_push_pending_frames(sk);
}
}

Expand Down Expand Up @@ -1156,33 +1158,36 @@ static void __exit icmp_exit(void)

int __init icmp_init(void)
{
struct inet_sock *inet;
int i, err;

for_each_possible_cpu(i) {
err = sock_create_kern(PF_INET, SOCK_RAW, IPPROTO_ICMP,
&per_cpu(__icmp_socket, i));
struct sock *sk;
struct socket *sock;
struct inet_sock *inet;

err = sock_create_kern(PF_INET, SOCK_RAW, IPPROTO_ICMP, &sock);
if (err < 0)
goto fail;

per_cpu(__icmp_socket, i)->sk->sk_allocation = GFP_ATOMIC;
per_cpu(__icmp_socket, i) = sock;
sk = sock->sk;
sk->sk_allocation = GFP_ATOMIC;

/* Enough space for 2 64K ICMP packets, including
* sk_buff struct overhead.
*/
per_cpu(__icmp_socket, i)->sk->sk_sndbuf =
sk->sk_sndbuf =
(2 * ((64 * 1024) + sizeof(struct sk_buff)));

inet = inet_sk(per_cpu(__icmp_socket, i)->sk);
inet = inet_sk(sk);
inet->uc_ttl = -1;
inet->pmtudisc = IP_PMTUDISC_DONT;

/* Unhash it so that IP input processing does not even
* see it, we do not wish this socket to see incoming
* packets.
*/
per_cpu(__icmp_socket, i)->sk->sk_prot->unhash(per_cpu(__icmp_socket, i)->sk);
sk->sk_prot->unhash(sk);
}
return 0;

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