packages/net/openvswitch/patches/0101-netdev-linux-Let-interface-flag-survive-internal-por.patch
Yousong Zhou f2bf8d3d4c openvswitch: provide in-tree kmod builds
Open vSwitch 2.10 introduces meters support to the kernel datapath.  In
upstream Linux, the feature is only available since 4.15

This is mainly for make the newly introduced meter features in linux
kernel datapath more easily available

	root@OpenWrt:/# ovs-ofctl -OOpenFlow13 meter-features br0
	OFPST_METER_FEATURES reply (OF1.3) (xid=0x2):
	max_meter:4294967295 max_bands:1 max_color:0
	band_types: drop
	capabilities: kbps pktps burst stats
	root@OpenWrt:/#

Size comparison between in-tree and upstreamed modules are attached

	  2800 Sep  5 08:47 ipkg-mips_24kc/kmod-openvswitch-geneve-intree/lib/modules/4.14.67/vport-geneve.ko
	  2736 Sep  5 08:47 ipkg-mips_24kc/kmod-openvswitch-geneve/lib/modules/4.14.67/vport-geneve.ko
	  2596 Sep  5 08:47 ipkg-mips_24kc/kmod-openvswitch-gre-intree/lib/modules/4.14.67/vport-gre.ko
	  2536 Sep  5 08:47 ipkg-mips_24kc/kmod-openvswitch-gre/lib/modules/4.14.67/vport-gre.ko
	288320 Sep  5 08:47 ipkg-mips_24kc/kmod-openvswitch-intree/lib/modules/4.14.67/openvswitch.ko
	118984 Sep  5 08:47 ipkg-mips_24kc/kmod-openvswitch/lib/modules/4.14.67/openvswitch.ko
	  2792 Sep  5 08:47 ipkg-mips_24kc/kmod-openvswitch-lisp-intree/lib/modules/4.14.67/vport-lisp.ko
	  2788 Sep  5 08:47 ipkg-mips_24kc/kmod-openvswitch-stt-intree/lib/modules/4.14.67/vport-stt.ko
	  3668 Sep  5 08:47 ipkg-mips_24kc/kmod-openvswitch-vxlan-intree/lib/modules/4.14.67/vport-vxlan.ko
	  3400 Sep  5 08:47 ipkg-mips_24kc/kmod-openvswitch-vxlan/lib/modules/4.14.67/vport-vxlan.ko

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2018-09-09 09:51:14 +08:00

38 lines
1.5 KiB
Diff

From 9f4775d9a2541e8128ea99f3b02925cc1ee05374 Mon Sep 17 00:00:00 2001
From: Helmut Schaa <helmut.schaa@googlemail.com>
Date: Wed, 8 Jan 2014 13:48:49 +0100
Subject: [PATCH 101/107] netdev-linux: Let interface flag survive internal
port setup
Due to a race condition when bringing up an internal port on Linux
some interface flags (e.g. IFF_MULTICAST) are falsely reset. This
happens because netlink events may be processed after the according
netdev has been brought up (which sets interface flags).
Fix this by reading the interface flags just before updating them
if they have not been updated by from the kernel yet.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
---
lib/netdev-linux.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/lib/netdev-linux.c b/lib/netdev-linux.c
index 5ada9a21f..bb8275cfa 100644
--- a/lib/netdev-linux.c
+++ b/lib/netdev-linux.c
@@ -3118,7 +3118,13 @@ update_flags(struct netdev_linux *netdev, enum netdev_flags off,
unsigned int old_flags, new_flags;
int error = 0;
- old_flags = netdev->ifi_flags;
+ if (!(netdev->cache_valid & VALID_DRVINFO)) {
+ /* Most likely the debvice flags are not in sync yet, fetch them now */
+ get_flags(&netdev->up, &old_flags);
+ } else {
+ old_flags = netdev->ifi_flags;
+ }
+
*old_flagsp = iff_to_nd_flags(old_flags);
new_flags = (old_flags & ~nd_to_iff_flags(off)) | nd_to_iff_flags(on);
if (new_flags != old_flags) {