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| author | Rafał Miłecki <zajec5@gmail.com> | 2015-02-23 22:59:53 +0000 |
|---|---|---|
| committer | Rafał Miłecki <zajec5@gmail.com> | 2015-02-23 22:59:53 +0000 |
| commit | 8f979de5a1b78dc4a4a0eb31b6ee33a46cd05405 (patch) | |
| tree | 5039fd0ff8cfb7e66fbbc575c9cf8dacf62eeb17 /target/linux/generic/patches-4.0/613-netfilter_optional_tcp_window_check.patch | |
| parent | d3d69d8a8cee37835d99487e65bb5156ef916dc5 (diff) | |
| download | master-187ad058-8f979de5a1b78dc4a4a0eb31b6ee33a46cd05405.tar.gz master-187ad058-8f979de5a1b78dc4a4a0eb31b6ee33a46cd05405.tar.bz2 master-187ad058-8f979de5a1b78dc4a4a0eb31b6ee33a46cd05405.zip | |
generic: early (incomplete!) 4.0 support
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44511 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-4.0/613-netfilter_optional_tcp_window_check.patch')
| -rw-r--r-- | target/linux/generic/patches-4.0/613-netfilter_optional_tcp_window_check.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.0/613-netfilter_optional_tcp_window_check.patch b/target/linux/generic/patches-4.0/613-netfilter_optional_tcp_window_check.patch new file mode 100644 index 0000000000..1d3b37cc10 --- /dev/null +++ b/target/linux/generic/patches-4.0/613-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. + */ +@@ -1452,6 +1458,13 @@ 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, ++ }, + { } + }; + |