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| author | Rafał Miłecki <zajec5@gmail.com> | 2015-09-08 16:43:10 +0000 |
|---|---|---|
| committer | Rafał Miłecki <zajec5@gmail.com> | 2015-09-08 16:43:10 +0000 |
| commit | 255d7ad8ba1cc4ce05f9b2a6ef6e1c205cd481b0 (patch) | |
| tree | 114932497e37bf3287b3a35901c86719ebfd2847 /target/linux/generic | |
| parent | f8a689d276cb8549fa9768cba7d12adf180ac1c4 (diff) | |
| download | mtk-20170518-255d7ad8ba1cc4ce05f9b2a6ef6e1c205cd481b0.zip mtk-20170518-255d7ad8ba1cc4ce05f9b2a6ef6e1c205cd481b0.tar.gz mtk-20170518-255d7ad8ba1cc4ce05f9b2a6ef6e1c205cd481b0.tar.bz2 | |
kernel: describe bridge patch "remove IPv6 depependency of bridge in 2.6.38+"
It was initially added in r27237 by jow as patch from Jonas.
SVN-Revision: 46826
Diffstat (limited to 'target/linux/generic')
3 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.18/643-bridge_remove_ipv6_dependency.patch b/target/linux/generic/patches-3.18/643-bridge_remove_ipv6_dependency.patch index 3f0dcd3..25f49c0 100644 --- a/target/linux/generic/patches-3.18/643-bridge_remove_ipv6_dependency.patch +++ b/target/linux/generic/patches-3.18/643-bridge_remove_ipv6_dependency.patch @@ -1,3 +1,16 @@ +From: Jonas Gorski <jonas.gorski+openwrt@gmail.com> +Subject: [PATCH] bridge: remove IPv6 depependency of bridge in 2.6.38+ + +Since 2.6.38 the bridge module has a dependency to IPv6 if IPv6 is +enabled. Since the IPv6 module isn't exactly lightweight and bridge also +only needs a single function from IPv6, it's rather easy to create a +common "lib" module with a RCU pointer to the actual implementation, if +the IPv6 module is loaded (although slightly hackish). + +The codepath seems to be only taken when using IPv6, so there should be +no negative side effects when IPv6 isn't loaded. I did not measure how +big the performance impact is. +--- --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -88,6 +88,12 @@ int ipv6_rcv_saddr_equal(const struct so diff --git a/target/linux/generic/patches-4.0/643-bridge_remove_ipv6_dependency.patch b/target/linux/generic/patches-4.0/643-bridge_remove_ipv6_dependency.patch index 50e4fe4..6842d97 100644 --- a/target/linux/generic/patches-4.0/643-bridge_remove_ipv6_dependency.patch +++ b/target/linux/generic/patches-4.0/643-bridge_remove_ipv6_dependency.patch @@ -1,3 +1,16 @@ +From: Jonas Gorski <jonas.gorski+openwrt@gmail.com> +Subject: [PATCH] bridge: remove IPv6 depependency of bridge in 2.6.38+ + +Since 2.6.38 the bridge module has a dependency to IPv6 if IPv6 is +enabled. Since the IPv6 module isn't exactly lightweight and bridge also +only needs a single function from IPv6, it's rather easy to create a +common "lib" module with a RCU pointer to the actual implementation, if +the IPv6 module is loaded (although slightly hackish). + +The codepath seems to be only taken when using IPv6, so there should be +no negative side effects when IPv6 isn't loaded. I did not measure how +big the performance impact is. +--- --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -91,6 +91,12 @@ int ipv6_rcv_saddr_equal(const struct so diff --git a/target/linux/generic/patches-4.1/643-bridge_remove_ipv6_dependency.patch b/target/linux/generic/patches-4.1/643-bridge_remove_ipv6_dependency.patch index 001d2c6..b18f33e 100644 --- a/target/linux/generic/patches-4.1/643-bridge_remove_ipv6_dependency.patch +++ b/target/linux/generic/patches-4.1/643-bridge_remove_ipv6_dependency.patch @@ -1,3 +1,16 @@ +From: Jonas Gorski <jonas.gorski+openwrt@gmail.com> +Subject: [PATCH] bridge: remove IPv6 depependency of bridge in 2.6.38+ + +Since 2.6.38 the bridge module has a dependency to IPv6 if IPv6 is +enabled. Since the IPv6 module isn't exactly lightweight and bridge also +only needs a single function from IPv6, it's rather easy to create a +common "lib" module with a RCU pointer to the actual implementation, if +the IPv6 module is loaded (although slightly hackish). + +The codepath seems to be only taken when using IPv6, so there should be +no negative side effects when IPv6 isn't loaded. I did not measure how +big the performance impact is. +--- --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -91,6 +91,12 @@ int ipv6_rcv_saddr_equal(const struct so |