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vxlan: allow configuring port range

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VXLAN bases source UDP port based on flow to help the
receiver to be able to load balance based on outer header flow.

This patch restricts the port range to the normal UDP local
ports, and allows overriding via configuration.

It also uses jhash of Ethernet header when looking at flows
with out know L3 header.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
stephen hemminger
2012-10-09 20:35:50 +00:00
committed by David S. Miller
parent 1cad87156b
commit 05f47d69c4
2 changed files with 63 additions and 5 deletions
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6
include/linux/if_link.h
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@@ -284,10 +284,16 @@ enum {
IFLA_VXLAN_LEARNING,
IFLA_VXLAN_AGEING,
IFLA_VXLAN_LIMIT,
IFLA_VXLAN_PORT_RANGE,
__IFLA_VXLAN_MAX
};
#define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
struct ifla_vxlan_port_range {
__be16 low;
__be16 high;
};
/* SR-IOV virtual function management section */
enum {