From: Alexei Starovoitov <ast@plumgrid.com>
Date: Fri, 31 Jul 2015 03:10:22 +0000 (-0700)
Subject: vxlan: expose COLLECT_METADATA flag to user space
X-Git-Tag: firefly_0821_release~176^2~1159^2~252
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f8a9b1bc1b238eed9987da747a0e52f5bb009980;p=firefly-linux-kernel-4.4.55.git
vxlan: expose COLLECT_METADATA flag to user space
Two vxlan driver flags FLOWBASED and COLLECT_METADATA need to be set to
make use of its new flow mode. The former already exposed. Expose the latter.
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index beed5d4025a3..e90f7a484e1c 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -2463,6 +2463,7 @@ static const struct nla_policy vxlan_policy[IFLA_VXLAN_MAX + 1] = {
[IFLA_VXLAN_L2MISS] = { .type = NLA_U8 },
[IFLA_VXLAN_L3MISS] = { .type = NLA_U8 },
[IFLA_VXLAN_FLOWBASED] = { .type = NLA_U8 },
+ [IFLA_VXLAN_COLLECT_METADATA] = { .type = NLA_U8 },
[IFLA_VXLAN_PORT] = { .type = NLA_U16 },
[IFLA_VXLAN_UDP_CSUM] = { .type = NLA_U8 },
[IFLA_VXLAN_UDP_ZERO_CSUM6_TX] = { .type = NLA_U8 },
@@ -2817,6 +2818,10 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev,
nla_get_u8(data[IFLA_VXLAN_FLOWBASED]))
conf.flags |= VXLAN_F_FLOW_BASED;
+ if (data[IFLA_VXLAN_COLLECT_METADATA] &&
+ nla_get_u8(data[IFLA_VXLAN_COLLECT_METADATA]))
+ conf.flags |= VXLAN_F_COLLECT_METADATA;
+
if (data[IFLA_VXLAN_PORT_RANGE]) {
const struct ifla_vxlan_port_range *p
= nla_data(data[IFLA_VXLAN_PORT_RANGE]);
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 9eeb5d9cf8f0..24e22cd4be79 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -383,6 +383,7 @@ enum {
IFLA_VXLAN_GBP,
IFLA_VXLAN_REMCSUM_NOPARTIAL,
IFLA_VXLAN_FLOWBASED,
+ IFLA_VXLAN_COLLECT_METADATA,
__IFLA_VXLAN_MAX
};
#define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)