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inline | side by side (from parent 1:
0f22fe3)
Prepare function that parse flow rule actions to support not
fate-deciding actions.
Signed-off-by: Roman Zhukov <roman.zhukov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
struct rte_flow_error *error)
{
int rc;
struct rte_flow_error *error)
{
int rc;
- boolean_t is_specified = B_FALSE;
+ uint32_t actions_set = 0;
+ const uint32_t fate_actions_mask = (1UL << RTE_FLOW_ACTION_TYPE_QUEUE) |
+ (1UL << RTE_FLOW_ACTION_TYPE_RSS) |
+ (1UL << RTE_FLOW_ACTION_TYPE_DROP);
if (actions == NULL) {
rte_flow_error_set(error, EINVAL,
if (actions == NULL) {
rte_flow_error_set(error, EINVAL,
+#define SFC_BUILD_SET_OVERFLOW(_action, _set) \
+ RTE_BUILD_BUG_ON(_action >= sizeof(_set) * CHAR_BIT)
+
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
- /* This one may appear anywhere multiple times. */
- if (actions->type == RTE_FLOW_ACTION_TYPE_VOID)
- continue;
- /* Fate-deciding actions may appear exactly once. */
- if (is_specified) {
- rte_flow_error_set
- (error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
- actions,
- "Cannot combine several fate-deciding actions,"
- "choose between QUEUE, RSS or DROP");
- return -rte_errno;
- }
+ case RTE_FLOW_ACTION_TYPE_VOID:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_VOID,
+ actions_set);
+ break;
+
case RTE_FLOW_ACTION_TYPE_QUEUE:
case RTE_FLOW_ACTION_TYPE_QUEUE:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_QUEUE,
+ actions_set);
+ if ((actions_set & fate_actions_mask) != 0)
+ goto fail_fate_actions;
+
rc = sfc_flow_parse_queue(sa, actions->conf, flow);
if (rc != 0) {
rte_flow_error_set(error, EINVAL,
rc = sfc_flow_parse_queue(sa, actions->conf, flow);
if (rc != 0) {
rte_flow_error_set(error, EINVAL,
"Bad QUEUE action");
return -rte_errno;
}
"Bad QUEUE action");
return -rte_errno;
}
-
- is_specified = B_TRUE;
break;
case RTE_FLOW_ACTION_TYPE_RSS:
break;
case RTE_FLOW_ACTION_TYPE_RSS:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_RSS,
+ actions_set);
+ if ((actions_set & fate_actions_mask) != 0)
+ goto fail_fate_actions;
+
rc = sfc_flow_parse_rss(sa, actions->conf, flow);
if (rc != 0) {
rte_flow_error_set(error, rc,
rc = sfc_flow_parse_rss(sa, actions->conf, flow);
if (rc != 0) {
rte_flow_error_set(error, rc,
"Bad RSS action");
return -rte_errno;
}
"Bad RSS action");
return -rte_errno;
}
-
- is_specified = B_TRUE;
break;
case RTE_FLOW_ACTION_TYPE_DROP:
break;
case RTE_FLOW_ACTION_TYPE_DROP:
+ SFC_BUILD_SET_OVERFLOW(RTE_FLOW_ACTION_TYPE_DROP,
+ actions_set);
+ if ((actions_set & fate_actions_mask) != 0)
+ goto fail_fate_actions;
+
flow->spec.template.efs_dmaq_id =
EFX_FILTER_SPEC_RX_DMAQ_ID_DROP;
flow->spec.template.efs_dmaq_id =
EFX_FILTER_SPEC_RX_DMAQ_ID_DROP;
-
- is_specified = B_TRUE;
"Action is not supported");
return -rte_errno;
}
"Action is not supported");
return -rte_errno;
}
+
+ actions_set |= (1UL << actions->type);
+#undef SFC_BUILD_SET_OVERFLOW
/* When fate is unknown, drop traffic. */
/* When fate is unknown, drop traffic. */
+ if ((actions_set & fate_actions_mask) == 0) {
flow->spec.template.efs_dmaq_id =
EFX_FILTER_SPEC_RX_DMAQ_ID_DROP;
}
return 0;
flow->spec.template.efs_dmaq_id =
EFX_FILTER_SPEC_RX_DMAQ_ID_DROP;
}
return 0;
+
+fail_fate_actions:
+ rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, actions,
+ "Cannot combine several fate-deciding actions, "
+ "choose between QUEUE, RSS or DROP");
+ return -rte_errno;