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tc: Add support parsing tc police action

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Add function to parse police action from netlink message.

Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
This commit is contained in:
Jianbo Liu
2022-07-08 09:55:26 +00:00
committed by Simon Horman
parent 922b850f08
commit a9b8cdde69
3 changed files with 63 additions and 0 deletions
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4
lib/netdev-offload-tc.c
View File

@@ -1017,6 +1017,10 @@ parse_tc_flower_to_match(struct tc_flower *flower,
nl_msg_put_u32(buf, OVS_ACTION_ATTR_RECIRC, action->chain);
}
break;
case TC_ACT_POLICE: {
/* Not supported yet */
}
break;
}
}
}

54
lib/tc.c
View File

@@ -1340,6 +1340,54 @@ 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)] = {};
const struct tc_police *police;
struct tc_action *action;
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_unspec(police_attrs[TCA_POLICE_TBF], sizeof *police);
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),
@@ -1760,6 +1808,8 @@ nl_parse_single_action(struct nlattr *action, struct tc_flower *flower,
/* Added for TC rule only (not in OvS rule) so ignore. */
} else if (!strcmp(act_kind, "ct")) {
nl_parse_act_ct(act_options, flower);
} else if (!strcmp(act_kind, "police")) {
nl_parse_act_police(act_options, flower);
} else {
VLOG_ERR_RL(&error_rl, "unknown tc action kind: %s", act_kind);
err = EINVAL;
@@ -2776,6 +2826,10 @@ nl_msg_put_flower_acts(struct ofpbuf *request, struct tc_flower *flower)
nl_msg_end_nested(request, act_offset);
}
break;
case TC_ACT_POLICE: {
/* Not supported yet */
}
break;
}
}
}

5
lib/tc.h
View File

@@ -174,6 +174,7 @@ enum tc_action_type {
TC_ACT_MPLS_SET,
TC_ACT_GOTO,
TC_ACT_CT,
TC_ACT_POLICE,
};
enum nat_type {
@@ -261,6 +262,10 @@ struct tc_action {
struct tc_flower_key key;
struct tc_flower_key mask;
} rewrite;
struct {
uint32_t index;
} police;
};
enum tc_action_type type;