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[NETNS]: Add namespace for ICMP replying code.

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All needed API is done, the namespace is available when required from
the device on the DST entry from the incoming packet. So, just replace
init_net with proper namespace.

Other protocols will follow.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis V. Lunev 2008-01-22 23:50:57 -08:00 committed by David S. Miller
parent b5921910a1
commit dde1bc0e6f
2 changed files with 14 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
net/ipv4/icmp.c
View File

@ -405,7 +405,7 @@ static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)
.tos = RT_TOS(ip_hdr(skb)->tos) } },
.proto = IPPROTO_ICMP };
security_skb_classify_flow(skb, &fl);
if (ip_route_output_key(&init_net, &rt, &fl))
if (ip_route_output_key(rt->u.dst.dev->nd_net, &rt, &fl))
goto out_unlock;
}
if (icmpv4_xrlim_allow(rt, icmp_param->data.icmph.type,
@ -437,9 +437,11 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
struct ipcm_cookie ipc;
__be32 saddr;
u8 tos;
struct net *net;
if (!rt)
goto out;
net = rt->u.dst.dev->nd_net;
/*
* Find the original header. It is expected to be valid, of course.
@ -515,7 +517,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
struct net_device *dev = NULL;
if (rt->fl.iif && sysctl_icmp_errors_use_inbound_ifaddr)
dev = dev_get_by_index(&init_net, rt->fl.iif);
dev = dev_get_by_index(net, rt->fl.iif);
if (dev) {
saddr = inet_select_addr(dev, 0, RT_SCOPE_LINK);
@ -569,7 +571,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
struct rtable *rt2;
security_skb_classify_flow(skb_in, &fl);
if (__ip_route_output_key(&init_net, &rt, &fl))
if (__ip_route_output_key(net, &rt, &fl))
goto out_unlock;
/* No need to clone since we're just using its address. */
@ -591,14 +593,14 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
if (xfrm_decode_session_reverse(skb_in, &fl, AF_INET))
goto out_unlock;
if (inet_addr_type(&init_net, fl.fl4_src) == RTN_LOCAL)
err = __ip_route_output_key(&init_net, &rt2, &fl);
if (inet_addr_type(net, fl.fl4_src) == RTN_LOCAL)
err = __ip_route_output_key(net, &rt2, &fl);
else {
struct flowi fl2 = {};
struct dst_entry *odst;
fl2.fl4_dst = fl.fl4_src;
if (ip_route_output_key(&init_net, &rt2, &fl2))
if (ip_route_output_key(net, &rt2, &fl2))
goto out_unlock;
/* Ugh! */
@ -666,6 +668,9 @@ static void icmp_unreach(struct sk_buff *skb)
int hash, protocol;
struct net_protocol *ipprot;
u32 info = 0;
struct net *net;
net = skb->dst->dev->nd_net;
/*
* Incomplete header ?
@ -696,7 +701,7 @@ static void icmp_unreach(struct sk_buff *skb)
"and DF set.\n",
NIPQUAD(iph->daddr));
} else {
info = ip_rt_frag_needed(&init_net, iph,
info = ip_rt_frag_needed(net, iph,
ntohs(icmph->un.frag.mtu));
if (!info)
goto out;
@ -734,7 +739,7 @@ static void icmp_unreach(struct sk_buff *skb)
*/
if (!sysctl_icmp_ignore_bogus_error_responses &&
inet_addr_type(&init_net, iph->daddr) == RTN_BROADCAST) {
inet_addr_type(net, iph->daddr) == RTN_BROADCAST) {
if (net_ratelimit())
printk(KERN_WARNING "%u.%u.%u.%u sent an invalid ICMP "
"type %u, code %u "

2
net/ipv4/ip_output.c
View File

@ -1379,7 +1379,7 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *ar
.dport = tcp_hdr(skb)->source } },
.proto = sk->sk_protocol };
security_skb_classify_flow(skb, &fl);
if (ip_route_output_key(&init_net, &rt, &fl))
if (ip_route_output_key(sk->sk_net, &rt, &fl))
return;
}