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author | Jonas Gorski <jogo@openwrt.org> | 2015-12-02 22:23:22 +0000 |
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committer | Jonas Gorski <jogo@openwrt.org> | 2015-12-02 22:23:22 +0000 |
commit | 9da189b6160422c8fe396181ff2d496fa68408b2 (patch) | |
tree | 4d911e6fe2fe7e304d340276c06729b33099013c /target/linux/generic/patches-4.4/613-netfilter_optional_tcp_window_check.patch | |
parent | 51a736c6287eb29cc5150f06ce8fdf10b7441a1b (diff) | |
download | master-187ad058-9da189b6160422c8fe396181ff2d496fa68408b2.tar.gz master-187ad058-9da189b6160422c8fe396181ff2d496fa68408b2.tar.bz2 master-187ad058-9da189b6160422c8fe396181ff2d496fa68408b2.zip |
kernel: add linux 4.4 support
Based on 4.4-rc3. Runtime tested on MIPS.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@47701 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-4.4/613-netfilter_optional_tcp_window_check.patch')
-rw-r--r-- | target/linux/generic/patches-4.4/613-netfilter_optional_tcp_window_check.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.4/613-netfilter_optional_tcp_window_check.patch b/target/linux/generic/patches-4.4/613-netfilter_optional_tcp_window_check.patch new file mode 100644 index 0000000000..3740dd74e5 --- /dev/null +++ b/target/linux/generic/patches-4.4/613-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 +@@ -33,6 +33,9 @@ + #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. */ +@@ -515,6 +518,9 @@ static bool tcp_in_window(const struct n + s32 receiver_offset; + bool res, in_recv_win; + ++ if (nf_ct_tcp_no_window_check) ++ return true; ++ + /* + * Get the required data from the packet. + */ +@@ -1481,6 +1487,13 @@ static struct ctl_table tcp_sysctl_table + .mode = 0644, + .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, ++ }, + { } + }; + |