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authorJiri Benc <jbenc@redhat.com>2017-11-02 17:04:37 -0200
committerDavid S. Miller <davem@davemloft.net>2017-11-05 21:49:17 +0900
commit9354d452034273a50a4fd703bea31e5d6b1fc20b (patch)
tree165b53c9af2e9f08c52736f704d3c94fdaec8041 /net/openvswitch/datapath.h
parent7cbebc8a142238da3c2966f87b81ace491c8f089 (diff)
downloadlinux-9354d452034273a50a4fd703bea31e5d6b1fc20b.tar.bz2
openvswitch: reliable interface indentification in port dumps
This patch allows reliable identification of netdevice interfaces connected to openvswitch bridges. In particular, user space queries the netdev interfaces belonging to the ports for statistics, up/down state, etc. Datapath dump needs to provide enough information for the user space to be able to do that. Currently, only interface names are returned. This is not sufficient, as openvswitch allows its ports to be in different name spaces and the interface name is valid only in its name space. What is needed and generally used in other netlink APIs, is the pair ifindex+netnsid. The solution is addition of the ifindex+netnsid pair (or only ifindex if in the same name space) to vport get/dump operation. On request side, ideally the ifindex+netnsid pair could be used to get/set/del the corresponding vport. This is not implemented by this patch and can be added later if needed. Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/openvswitch/datapath.h')
-rw-r--r--net/openvswitch/datapath.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/openvswitch/datapath.h b/net/openvswitch/datapath.h
index 480600649d0b..4a104ef9e12c 100644
--- a/net/openvswitch/datapath.h
+++ b/net/openvswitch/datapath.h
@@ -200,8 +200,8 @@ int ovs_dp_upcall(struct datapath *, struct sk_buff *,
uint32_t cutlen);
const char *ovs_dp_name(const struct datapath *dp);
-struct sk_buff *ovs_vport_cmd_build_info(struct vport *, u32 pid, u32 seq,
- u8 cmd);
+struct sk_buff *ovs_vport_cmd_build_info(struct vport *vport, struct net *net,
+ u32 portid, u32 seq, u8 cmd);
int ovs_execute_actions(struct datapath *dp, struct sk_buff *skb,
const struct sw_flow_actions *, struct sw_flow_key *);