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libnetlink: Convert GETNETCONF dumps to use rtnl_netconfdump_req

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Add rtnl_netconfdump_req for netconf dumps using the proper netconfmsg
as the header. Convert existing RTM_GETNETCONF dumps to use it.

Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
David Ahern 2018-09-29 09:29:29 -07:00
parent 9dbe6df411
commit ddee16bc96
3 changed files with 19 additions and 2 deletions
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2
include/libnetlink.h
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@ -55,6 +55,8 @@ 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_netconfdump_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));

3
ip/ipnetconf.c
View File

@ -210,8 +210,7 @@ static int do_show(int argc, char **argv)
} else {
rth.flags = RTNL_HANDLE_F_SUPPRESS_NLERR;
dump:
if (rtnl_wilddump_request(&rth, filter.family,
RTM_GETNETCONF) < 0) {
if (rtnl_netconfdump_req(&rth, filter.family) < 0) {
perror("Cannot send dump request");
exit(1);
}

16
lib/libnetlink.c
View File

@ -265,6 +265,22 @@ int rtnl_mdbdump_req(struct rtnl_handle *rth, int family)
return send(rth->fd, &req, sizeof(req), 0);
}
int rtnl_netconfdump_req(struct rtnl_handle *rth, int family)
{
struct {
struct nlmsghdr nlh;
struct netconfmsg ncm;
} req = {
.nlh.nlmsg_len = sizeof(req),
.nlh.nlmsg_type = RTM_GETNETCONF,
.nlh.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST,
.nlh.nlmsg_seq = rth->dump = ++rth->seq,
.ncm.ncm_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);