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tipc: add publication dump to new netlink api

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Add TIPC_NL_PUBL_GET command to the new tipc netlink API.

This command supports dumping of all publications for a specific
socket.

Netlink logical layout of request message:
    -> socket
        -> reference

Netlink logical layout of response message:
    -> publication
        -> type
        -> lower
        -> upper

Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Alpe
2014-11-20 10:29:11 +01:00
committed by David S. Miller
parent 34b78a127c
commit 1a1a143daf
5 changed files with 172 additions and 0 deletions
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17
net/tipc/netlink.c
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@@ -74,6 +74,7 @@ static const struct nla_policy tipc_nl_policy[TIPC_NLA_MAX + 1] = {
[TIPC_NLA_UNSPEC] = { .type = NLA_UNSPEC, },
[TIPC_NLA_BEARER] = { .type = NLA_NESTED, },
[TIPC_NLA_SOCK] = { .type = NLA_NESTED, },
[TIPC_NLA_PUBL] = { .type = NLA_NESTED, }
};
/* Legacy ASCII API */
@@ -130,9 +131,25 @@ static const struct genl_ops tipc_genl_v2_ops[] = {
.cmd = TIPC_NL_SOCK_GET,
.dumpit = tipc_nl_sk_dump,
.policy = tipc_nl_policy,
},
{
.cmd = TIPC_NL_PUBL_GET,
.dumpit = tipc_nl_publ_dump,
.policy = tipc_nl_policy,
}
};
int tipc_nlmsg_parse(const struct nlmsghdr *nlh, struct nlattr ***attr)
{
u32 maxattr = tipc_genl_v2_family.maxattr;
*attr = tipc_genl_v2_family.attrbuf;
if (!*attr)
return -EOPNOTSUPP;
return nlmsg_parse(nlh, GENL_HDRLEN, *attr, maxattr, tipc_nl_policy);
}
int tipc_netlink_start(void)
{
int res;