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| author | Volodymyr Bendiuga <volodymyr.bendiuga@westermo.se> | 2018-05-03 08:51:35 +0200 |
|---|---|---|
| committer | Thomas Haller <thaller@redhat.com> | 2018-10-10 11:00:21 +0200 |
| commit | c9b28170e7199b3ba63a73c7dad7c2eacab46e72 (patch) | |
| tree | ffdf37caf7f2dc19f4855884748165cafb802b7b /lib | |
| parent | 1bffe3cc6739d95c1a42f12b417e98f9d6ee5e80 (diff) | |
| download | platform_external_libnl-c9b28170e7199b3ba63a73c7dad7c2eacab46e72.tar.gz platform_external_libnl-c9b28170e7199b3ba63a73c7dad7c2eacab46e72.tar.bz2 platform_external_libnl-c9b28170e7199b3ba63a73c7dad7c2eacab46e72.zip | |
route:tc: allow to set chain index for tc objects
This is useful when one wants to chain filters.
Signed-off-by: Volodymyr Bendiuga <volodymyr.bendiuga@westermo.se>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/route/tc.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/route/tc.c b/lib/route/tc.c index 694c48e..4b185ed 100644 --- a/lib/route/tc.c +++ b/lib/route/tc.c @@ -32,6 +32,7 @@ static struct rtnl_tc_type_ops *tc_type_ops[__RTNL_TC_TYPE_MAX]; static struct nla_policy tc_policy[TCA_MAX+1] = { [TCA_KIND] = { .type = NLA_STRING, .maxlen = TCKINDSIZ }, + [TCA_CHAIN] = { .type = NLA_U32 }, [TCA_STATS] = { .minlen = sizeof(struct tc_stats) }, [TCA_STATS2] = { .type = NLA_NESTED }, }; @@ -79,6 +80,9 @@ int rtnl_tc_msg_parse(struct nlmsghdr *n, struct rtnl_tc *tc) nla_strlcpy(kind, tb[TCA_KIND], sizeof(kind)); rtnl_tc_set_kind(tc, kind); + if (tb[TCA_CHAIN]) + rtnl_tc_set_chain(tc, nla_get_u32(tb[TCA_CHAIN])); + tm = nlmsg_data(n); tc->tc_family = tm->tcm_family; tc->tc_ifindex = tm->tcm_ifindex; @@ -216,6 +220,9 @@ int rtnl_tc_msg_build(struct rtnl_tc *tc, int type, int flags, if (tc->ce_mask & TCA_ATTR_KIND) NLA_PUT_STRING(msg, TCA_KIND, tc->tc_kind); + if (tc->ce_mask & TCA_ATTR_CHAIN) + NLA_PUT_U32(msg, TCA_CHAIN, tc->tc_chain); + ops = rtnl_tc_get_ops(tc); if (ops && (ops->to_msg_fill || ops->to_msg_fill_raw)) { struct nlattr *opts; @@ -560,6 +567,32 @@ uint64_t rtnl_tc_get_stat(struct rtnl_tc *tc, enum rtnl_tc_stat id) return tc->tc_stats[id]; } +/** + * Set the chain index of a traffic control object + * @arg tc traffic control object + * @arg chain chain index of traffic control object + * + */ +void rtnl_tc_set_chain(struct rtnl_tc *tc, uint32_t chain) +{ + tc->tc_chain = chain; + tc->ce_mask |= TCA_ATTR_CHAIN; +} + +/** + * Return chain index of traffic control object + * @arg tc traffic control object + * + * @return chain index of traffic control object or 0 if not set. + */ +uint32_t rtnl_tc_get_chain(struct rtnl_tc *tc) +{ + if (tc->ce_mask & TCA_ATTR_CHAIN) + return tc->tc_chain; + else + return 0; +} + /** @} */ /** |