diff options
| author | Pavel Emelyanov <xemul@openvz.org> | 2008-03-26 10:00:21 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-03-26 10:00:21 +0100 |
| commit | b34a95ee6e05579faff2672d7d30356576407653 (patch) | |
| tree | 1587a59fcced1f774193b184301572ee0bc2dda7 /net/ipv4/icmp.c | |
| parent | [NETNS][ICMP]: Make ctl tables for ICMP sysctls per-net. (diff) | |
| download | linux-b34a95ee6e05579faff2672d7d30356576407653.tar.xz linux-b34a95ee6e05579faff2672d7d30356576407653.zip | |
[NETNS][ICMP]: Use per-net sysctls in ipv4/icmp.c.
This mostly re-uses the net, used in icmp netnsization patches from Denis.
After this ICMP sysctls are completely virtualized.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/icmp.c')
| -rw-r--r-- | net/ipv4/icmp.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 958a38445120..7049b3f5f3cc 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -270,7 +270,8 @@ int xrlim_allow(struct dst_entry *dst, int timeout) return rc; } -static inline int icmpv4_xrlim_allow(struct rtable *rt, int type, int code) +static inline int icmpv4_xrlim_allow(struct net *net, struct rtable *rt, + int type, int code) { struct dst_entry *dst = &rt->u.dst; int rc = 1; @@ -287,8 +288,8 @@ static inline int icmpv4_xrlim_allow(struct rtable *rt, int type, int code) goto out; /* Limit if icmp type is enabled in ratemask. */ - if ((1 << type) & init_net.ipv4.sysctl_icmp_ratemask) - rc = xrlim_allow(dst, init_net.ipv4.sysctl_icmp_ratelimit); + if ((1 << type) & net->ipv4.sysctl_icmp_ratemask) + rc = xrlim_allow(dst, net->ipv4.sysctl_icmp_ratelimit); out: return rc; } @@ -390,7 +391,7 @@ static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb) if (ip_route_output_key(net, &rt, &fl)) goto out_unlock; } - if (icmpv4_xrlim_allow(rt, icmp_param->data.icmph.type, + if (icmpv4_xrlim_allow(net, rt, icmp_param->data.icmph.type, icmp_param->data.icmph.code)) icmp_push_reply(icmp_param, &ipc, rt); ip_rt_put(rt); @@ -501,7 +502,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) struct net_device *dev = NULL; if (rt->fl.iif && - init_net.ipv4.sysctl_icmp_errors_use_inbound_ifaddr) + net->ipv4.sysctl_icmp_errors_use_inbound_ifaddr) dev = dev_get_by_index(net, rt->fl.iif); if (dev) { @@ -617,7 +618,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) } route_done: - if (!icmpv4_xrlim_allow(rt, type, code)) + if (!icmpv4_xrlim_allow(net, rt, type, code)) goto ende; /* RFC says return as much as we can without exceeding 576 bytes. */ @@ -723,7 +724,7 @@ static void icmp_unreach(struct sk_buff *skb) * get the other vendor to fix their kit. */ - if (!init_net.ipv4.sysctl_icmp_ignore_bogus_error_responses && + if (!net->ipv4.sysctl_icmp_ignore_bogus_error_responses && inet_addr_type(net, iph->daddr) == RTN_BROADCAST) { if (net_ratelimit()) printk(KERN_WARNING "%u.%u.%u.%u sent an invalid ICMP " @@ -818,7 +819,10 @@ out_err: static void icmp_echo(struct sk_buff *skb) { - if (!init_net.ipv4.sysctl_icmp_echo_ignore_all) { + struct net *net; + + net = skb->dst->dev->nd_net; + if (!net->ipv4.sysctl_icmp_echo_ignore_all) { struct icmp_bxm icmp_param; icmp_param.data.icmph = *icmp_hdr(skb); @@ -1021,6 +1025,9 @@ int icmp_rcv(struct sk_buff *skb) */ if (rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST)) { + struct net *net; + + net = rt->u.dst.dev->nd_net; /* * RFC 1122: 3.2.2.6 An ICMP_ECHO to broadcast MAY be * silently ignored (we let user decide with a sysctl). @@ -1029,7 +1036,7 @@ int icmp_rcv(struct sk_buff *skb) */ if ((icmph->type == ICMP_ECHO || icmph->type == ICMP_TIMESTAMP) && - init_net.ipv4.sysctl_icmp_echo_ignore_broadcasts) { + net->ipv4.sysctl_icmp_echo_ignore_broadcasts) { goto error; } if (icmph->type != ICMP_ECHO && |