From: Jianbo Liu <[email protected]> Add function to parse police action from netlink message.
Signed-off-by: Jianbo Liu <[email protected]> Reviewed-by: Roi Dayan <[email protected]> --- lib/tc.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ lib/tc.h | 4 ++++ 2 files changed, 52 insertions(+) diff --git a/lib/tc.c b/lib/tc.c index 38a1dfc0ebc8..b351f0e1e65f 100644 --- a/lib/tc.c +++ b/lib/tc.c @@ -1341,6 +1341,54 @@ nl_parse_act_gact(struct nlattr *options, struct tc_flower *flower) return 0; } +static const struct nl_policy police_policy[] = { + [TCA_POLICE_TBF] = { .type = NL_A_UNSPEC, + .min_len = sizeof(struct tc_police), + .optional = false, }, + [TCA_POLICE_RATE] = { .type = NL_A_UNSPEC, + .min_len = 1024, + .optional = true, }, + [TCA_POLICE_PEAKRATE] = { .type = NL_A_UNSPEC, + .min_len = 1024, + .optional = true, }, + [TCA_POLICE_AVRATE] = { .type = NL_A_U32, + .optional = true, }, + [TCA_POLICE_RESULT] = { .type = NL_A_U32, + .optional = true, }, + [TCA_POLICE_TM] = { .type = NL_A_UNSPEC, + .min_len = sizeof(struct tcf_t), + .optional = true, }, +}; + +static int +nl_parse_act_police(const struct nlattr *options, struct tc_flower *flower) +{ + struct nlattr *police_attrs[ARRAY_SIZE(police_policy)] = {}; + struct tc_action *action; + const struct tc_police *police; + struct nlattr *police_tm; + const struct tcf_t *tm; + + if (!nl_parse_nested(options, police_policy, police_attrs, + ARRAY_SIZE(police_policy))) { + VLOG_ERR_RL(&error_rl, "failed to parse police action options"); + return EPROTO; + } + + police = nl_attr_get(police_attrs[TCA_POLICE_TBF]); + action = &flower->actions[flower->action_count++]; + action->type = TC_ACT_POLICE; + action->police.index = police->index; + + police_tm = police_attrs[TCA_POLICE_TM]; + if (police_tm) { + tm = nl_attr_get_unspec(police_tm, sizeof *tm); + nl_parse_tcf(tm, flower); + } + + return 0; +} + static const struct nl_policy mirred_policy[] = { [TCA_MIRRED_PARMS] = { .type = NL_A_UNSPEC, .min_len = sizeof(struct tc_mirred), diff --git a/lib/tc.h b/lib/tc.h index a147ca461dc5..85ae5a8908ea 100644 --- a/lib/tc.h +++ b/lib/tc.h @@ -174,6 +174,7 @@ enum tc_action_type { TC_ACT_MPLS_SET, TC_ACT_GOTO, TC_ACT_CT, + TC_ACT_POLICE, }; enum nat_type { @@ -256,6 +257,9 @@ struct tc_action { bool force; bool commit; } ct; + struct { + uint32_t index; + } police; }; enum tc_action_type type; -- 2.8.0 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
