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iproute vxlan add support for fdb replace command

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Add support for the bridge fdb replace command to replace an
existing entry in the vxlan device driver forwarding data base.
The entry is identified with its unicast mac address and its
corresponding remote destination information is updated.

This is useful for virtual machine migration and replaces the
bridge fdb del and bridge fdb add commands.

It follows the same interface as ip neigh replace commands.

Signed-off-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
This commit is contained in:
Thomas Richter 2013-07-30 08:16:41 +02:00 committed by Stephen Hemminger
parent c4fdf75d3d
commit 5464049b47
1 changed files with 3 additions and 1 deletions
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4
bridge/fdb.c
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@ -30,7 +30,7 @@ int filter_index;
static void usage(void)
{
fprintf(stderr, "Usage: bridge fdb { add | append | del } ADDR dev DEV {self|master} [ temp ]\n"
fprintf(stderr, "Usage: bridge fdb { add | append | del | replace } ADDR dev DEV {self|master} [ temp ]\n"
" [router] [ dst IPADDR] [ vlan VID ]\n"
" [ port PORT] [ vni VNI ] [via DEV]\n");
fprintf(stderr, " bridge fdb {show} [ dev DEV ]\n");
@ -334,6 +334,8 @@ int do_fdb(int argc, char **argv)
return fdb_modify(RTM_NEWNEIGH, NLM_F_CREATE|NLM_F_EXCL, argc-1, argv+1);
if (matches(*argv, "append") == 0)
return fdb_modify(RTM_NEWNEIGH, NLM_F_CREATE|NLM_F_APPEND, argc-1, argv+1);
if (matches(*argv, "replace") == 0)
return fdb_modify(RTM_NEWNEIGH, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1);
if (matches(*argv, "delete") == 0)
return fdb_modify(RTM_DELNEIGH, 0, argc-1, argv+1);
if (matches(*argv, "show") == 0 ||