diff options
author | jogo <jogo@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-02-02 08:23:54 +0000 |
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committer | jogo <jogo@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-02-02 08:23:54 +0000 |
commit | 75d051e29d5806b4d09e408d3546317fb910f3f0 (patch) | |
tree | 520b2ce27d8ce9fca04ceff102605b733c4e27d2 /target/linux/generic/patches-3.3/613-netfilter_optional_tcp_window_check.patch | |
parent | 8ae6c0c8351cb93b8b059567ab3f33a340641185 (diff) |
kernel: add preliminary support for linux 3.3
Based on 3.3-rc2
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29986 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-3.3/613-netfilter_optional_tcp_window_check.patch')
-rw-r--r-- | target/linux/generic/patches-3.3/613-netfilter_optional_tcp_window_check.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.3/613-netfilter_optional_tcp_window_check.patch b/target/linux/generic/patches-3.3/613-netfilter_optional_tcp_window_check.patch new file mode 100644 index 0000000000..1c259d4f0c --- /dev/null +++ b/target/linux/generic/patches-3.3/613-netfilter_optional_tcp_window_check.patch @@ -0,0 +1,36 @@ +--- a/net/netfilter/nf_conntrack_proto_tcp.c ++++ b/net/netfilter/nf_conntrack_proto_tcp.c +@@ -29,6 +29,9 @@ + #include <net/netfilter/ipv4/nf_conntrack_ipv4.h> + #include <net/netfilter/ipv6/nf_conntrack_ipv6.h> + ++/* Do not check the TCP window for incoming packets */ ++static int nf_ct_tcp_no_window_check __read_mostly = 1; ++ + /* "Be conservative in what you do, + be liberal in what you accept from others." + If it's non-zero, we mark only out of window RST segments as INVALID. */ +@@ -524,6 +527,9 @@ static bool tcp_in_window(const struct n + s16 receiver_offset; + bool res; + ++ if (nf_ct_tcp_no_window_check) ++ return true; ++ + /* + * Get the required data from the packet. + */ +@@ -1321,6 +1327,13 @@ static struct ctl_table tcp_sysctl_table + .proc_handler = proc_dointvec, + }, + { ++ .procname = "nf_conntrack_tcp_no_window_check", ++ .data = &nf_ct_tcp_no_window_check, ++ .maxlen = sizeof(unsigned int), ++ .mode = 0644, ++ .proc_handler = proc_dointvec, ++ }, ++ { + .procname = "nf_conntrack_tcp_be_liberal", + .data = &nf_ct_tcp_be_liberal, + .maxlen = sizeof(unsigned int), |