diff options
Diffstat (limited to 'net/ipv4/ip_forward.c')
| -rw-r--r-- | net/ipv4/ip_forward.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c index a22d11d2911c..369e721c4bab 100644 --- a/net/ipv4/ip_forward.c +++ b/net/ipv4/ip_forward.c @@ -4,15 +4,15 @@ * interface as the means of communication with the user level. * * The IP forwarding functionality. - * + * * Version: $Id: ip_forward.c,v 1.48 2000/12/13 18:31:48 davem Exp $ * * Authors: see ip.c * * Fixes: - * Many : Split from ip.c , see ip_input.c for + * Many : Split from ip.c , see ip_input.c for * history. - * Dave Gregorich : NULL ip_rt_put fix for multicast + * Dave Gregorich : NULL ip_rt_put fix for multicast * routing. * Jos Vos : Add call_out_firewall before sending, * use output device for accounting. @@ -23,7 +23,6 @@ #include <linux/types.h> #include <linux/mm.h> -#include <linux/sched.h> #include <linux/skbuff.h> #include <linux/ip.h> #include <linux/icmp.h> @@ -69,14 +68,14 @@ int ip_forward(struct sk_buff *skb) goto drop; skb->ip_summed = CHECKSUM_NONE; - + /* * According to the RFC, we must first decrease the TTL field. If * that reaches zero, we must reply an ICMP control message telling * that the packet's lifetime expired. */ if (skb->nh.iph->ttl <= 1) - goto too_many_hops; + goto too_many_hops; if (!xfrm4_route_forward(skb)) goto drop; @@ -107,16 +106,16 @@ int ip_forward(struct sk_buff *skb) ip_forward_finish); sr_failed: - /* + /* * Strict routing permits no gatewaying */ - icmp_send(skb, ICMP_DEST_UNREACH, ICMP_SR_FAILED, 0); - goto drop; + icmp_send(skb, ICMP_DEST_UNREACH, ICMP_SR_FAILED, 0); + goto drop; too_many_hops: - /* Tell the sender its packet died... */ - IP_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); - icmp_send(skb, ICMP_TIME_EXCEEDED, ICMP_EXC_TTL, 0); + /* Tell the sender its packet died... */ + IP_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); + icmp_send(skb, ICMP_TIME_EXCEEDED, ICMP_EXC_TTL, 0); drop: kfree_skb(skb); return NET_RX_DROP; |