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libnetlink: Convert GETMDB dumps to use rtnl_mdbdump_req

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Add rtnl_mdbdump_req for mdb dumps using the proper br_port_msg as
the header. Convert existing RTM_GETMDB dumps to use it.

Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
David Ahern 2018-09-29 10:44:18 -07:00
parent 393600231a
commit 9dbe6df411
3 changed files with 20 additions and 1 deletions
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2
bridge/mdb.c
View File

@ -293,7 +293,7 @@ static int mdb_show(int argc, char **argv)
new_json_obj(json);
/* get mdb entries*/
if (rtnl_wilddump_request(&rth, PF_BRIDGE, RTM_GETMDB) < 0) {
if (rtnl_mdbdump_req(&rth, PF_BRIDGE) < 0) {
perror("Cannot send dump request");
return -1;
}

2
include/libnetlink.h
View File

@ -53,6 +53,8 @@ int rtnl_addrlbldump_req(struct rtnl_handle *rth, int family)
__attribute__((warn_unused_result));
int rtnl_routedump_req(struct rtnl_handle *rth, int family)
__attribute__((warn_unused_result));
int rtnl_mdbdump_req(struct rtnl_handle *rth, int family)
__attribute__((warn_unused_result));
int rtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type)
__attribute__((warn_unused_result));

17
lib/libnetlink.c
View File

@ -23,6 +23,7 @@
#include <time.h>
#include <sys/uio.h>
#include <linux/if_addrlabel.h>
#include <linux/if_bridge.h>
#include "libnetlink.h"
@ -248,6 +249,22 @@ int rtnl_routedump_req(struct rtnl_handle *rth, int family)
return send(rth->fd, &req, sizeof(req), 0);
}
int rtnl_mdbdump_req(struct rtnl_handle *rth, int family)
{
struct {
struct nlmsghdr nlh;
struct br_port_msg bpm;
} req = {
.nlh.nlmsg_len = sizeof(req),
.nlh.nlmsg_type = RTM_GETMDB,
.nlh.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST,
.nlh.nlmsg_seq = rth->dump = ++rth->seq,
.bpm.family = family,
};
return send(rth->fd, &req, sizeof(req), 0);
}
int rtnl_wilddump_request(struct rtnl_handle *rth, int family, int type)
{
return rtnl_wilddump_req_filter(rth, family, type, RTEXT_FILTER_VF);