}
}
+/*
+ * Check if the RSS configurations for colors of a meter policy match
+ * each other, except the queues.
+ *
+ * @param[in] r1
+ * Pointer to the first RSS flow action.
+ * @param[in] r2
+ * Pointer to the second RSS flow action.
+ *
+ * @return
+ * 0 on match, 1 on conflict.
+ */
+static inline int
+flow_dv_mtr_policy_rss_compare(const struct rte_flow_action_rss *r1,
+ const struct rte_flow_action_rss *r2)
+{
+ if (!r1 || !r2)
+ return 0;
+ if (r1->func != r2->func || r1->level != r2->level ||
+ r1->types != r2->types || r1->key_len != r2->key_len ||
+ memcmp(r1->key, r2->key, r1->key_len))
+ return 1;
+ return 0;
+}
+
/**
* Validate the meter hierarchy chain for meter policy.
*
struct rte_flow_attr *attr,
bool *is_rss,
uint8_t *domain_bitmap,
- bool *is_def_policy,
+ uint8_t *policy_mode,
struct rte_mtr_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct mlx5_dev_config *dev_conf = &priv->config;
const struct rte_flow_action *act;
- uint64_t action_flags = 0;
+ uint64_t action_flags[RTE_COLORS] = {0};
int actions_n;
int i, ret;
struct rte_flow_error flow_err;
uint8_t def_domain = MLX5_MTR_ALL_DOMAIN_BIT;
uint8_t hierarchy_domain = 0;
const struct rte_flow_action_meter *mtr;
+ bool def_green = false;
+ bool def_yellow = false;
+ const struct rte_flow_action_rss *rss_color[RTE_COLORS] = {NULL};
if (!priv->config.dv_esw_en)
def_domain &= ~MLX5_MTR_DOMAIN_TRANSFER_BIT;
*domain_bitmap = def_domain;
- if (actions[RTE_COLOR_YELLOW] &&
- actions[RTE_COLOR_YELLOW]->type != RTE_FLOW_ACTION_TYPE_END)
- return -rte_mtr_error_set(error, ENOTSUP,
- RTE_MTR_ERROR_TYPE_METER_POLICY,
- NULL,
- "Yellow color does not support any action.");
- if (actions[RTE_COLOR_YELLOW] &&
- actions[RTE_COLOR_YELLOW]->type != RTE_FLOW_ACTION_TYPE_DROP)
+ /* Red color could only support DROP action. */
+ if (!actions[RTE_COLOR_RED] ||
+ actions[RTE_COLOR_RED]->type != RTE_FLOW_ACTION_TYPE_DROP)
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "Red color only supports drop action.");
/*
* Check default policy actions:
- * Green/Yellow: no action, Red: drop action
+ * Green / Yellow: no action, Red: drop action
+ * Either G or Y will trigger default policy actions to be created.
*/
- if ((!actions[RTE_COLOR_GREEN] ||
- actions[RTE_COLOR_GREEN]->type == RTE_FLOW_ACTION_TYPE_END)) {
- *is_def_policy = true;
+ if (!actions[RTE_COLOR_GREEN] ||
+ actions[RTE_COLOR_GREEN]->type == RTE_FLOW_ACTION_TYPE_END)
+ def_green = true;
+ if (!actions[RTE_COLOR_YELLOW] ||
+ actions[RTE_COLOR_YELLOW]->type == RTE_FLOW_ACTION_TYPE_END)
+ def_yellow = true;
+ if (def_green && def_yellow) {
+ *policy_mode = MLX5_MTR_POLICY_MODE_DEF;
return 0;
+ } else if (!def_green && def_yellow) {
+ *policy_mode = MLX5_MTR_POLICY_MODE_OG;
+ } else if (def_green && !def_yellow) {
+ *policy_mode = MLX5_MTR_POLICY_MODE_OY;
}
- flow_err.message = NULL;
+ /* Set to empty string in case of NULL pointer access by user. */
+ flow_err.message = "";
for (i = 0; i < RTE_COLORS; i++) {
act = actions[i];
- for (action_flags = 0, actions_n = 0;
- act && act->type != RTE_FLOW_ACTION_TYPE_END;
- act++) {
+ for (action_flags[i] = 0, actions_n = 0;
+ act && act->type != RTE_FLOW_ACTION_TYPE_END;
+ act++) {
if (actions_n == MLX5_DV_MAX_NUMBER_OF_ACTIONS)
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "PORT action validate check"
" fail for ESW disable");
ret = flow_dv_validate_action_port_id(dev,
- action_flags,
+ action_flags[i],
act, attr, &flow_err);
if (ret)
return -rte_mtr_error_set(error,
flow_err.message :
"PORT action validate check fail");
++actions_n;
- action_flags |= MLX5_FLOW_ACTION_PORT_ID;
+ action_flags[i] |= MLX5_FLOW_ACTION_PORT_ID;
break;
case RTE_FLOW_ACTION_TYPE_MARK:
ret = flow_dv_validate_action_mark(dev, act,
- action_flags,
+ action_flags[i],
attr, &flow_err);
if (ret < 0)
return -rte_mtr_error_set(error,
NULL, "Extend MARK action is "
"not supported. Please try use "
"default policy for meter.");
- action_flags |= MLX5_FLOW_ACTION_MARK;
+ action_flags[i] |= MLX5_FLOW_ACTION_MARK;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_SET_TAG:
ret = flow_dv_validate_action_set_tag(dev,
- act, action_flags,
+ act, action_flags[i],
attr, &flow_err);
if (ret)
return -rte_mtr_error_set(error,
NULL, flow_err.message ?
flow_err.message :
"Set tag action validate check fail");
- /*
- * Count all modify-header actions
- * as one action.
- */
- if (!(action_flags &
- MLX5_FLOW_MODIFY_HDR_ACTIONS))
- ++actions_n;
- action_flags |= MLX5_FLOW_ACTION_SET_TAG;
+ action_flags[i] |= MLX5_FLOW_ACTION_SET_TAG;
+ ++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_DROP:
ret = mlx5_flow_validate_action_drop
- (action_flags,
- attr, &flow_err);
+ (action_flags[i], attr, &flow_err);
if (ret < 0)
return -rte_mtr_error_set(error,
ENOTSUP,
NULL, flow_err.message ?
flow_err.message :
"Drop action validate check fail");
- action_flags |= MLX5_FLOW_ACTION_DROP;
+ action_flags[i] |= MLX5_FLOW_ACTION_DROP;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_QUEUE:
* metadata feature is engaged.
*/
if (dev_conf->dv_flow_en &&
- (dev_conf->dv_xmeta_en !=
- MLX5_XMETA_MODE_LEGACY) &&
- mlx5_flow_ext_mreg_supported(dev))
+ (dev_conf->dv_xmeta_en !=
+ MLX5_XMETA_MODE_LEGACY) &&
+ mlx5_flow_ext_mreg_supported(dev))
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
"is not supported. Please try use "
"default policy for meter.");
ret = mlx5_flow_validate_action_queue(act,
- action_flags, dev,
+ action_flags[i], dev,
attr, &flow_err);
if (ret < 0)
return -rte_mtr_error_set(error,
NULL, flow_err.message ?
flow_err.message :
"Queue action validate check fail");
- action_flags |= MLX5_FLOW_ACTION_QUEUE;
+ action_flags[i] |= MLX5_FLOW_ACTION_QUEUE;
++actions_n;
break;
case RTE_FLOW_ACTION_TYPE_RSS:
if (dev_conf->dv_flow_en &&
- (dev_conf->dv_xmeta_en !=
- MLX5_XMETA_MODE_LEGACY) &&
- mlx5_flow_ext_mreg_supported(dev))
+ (dev_conf->dv_xmeta_en !=
+ MLX5_XMETA_MODE_LEGACY) &&
+ mlx5_flow_ext_mreg_supported(dev))
return -rte_mtr_error_set(error,
ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
"is not supported. Please try use "
"default policy for meter.");
ret = mlx5_validate_action_rss(dev, act,
- &flow_err);
+ &flow_err);
if (ret < 0)
return -rte_mtr_error_set(error,
ENOTSUP,
NULL, flow_err.message ?
flow_err.message :
"RSS action validate check fail");
- action_flags |= MLX5_FLOW_ACTION_RSS;
+ action_flags[i] |= MLX5_FLOW_ACTION_RSS;
++actions_n;
- *is_rss = true;
+ /* Either G or Y will set the RSS. */
+ rss_color[i] = act->conf;
break;
case RTE_FLOW_ACTION_TYPE_JUMP:
ret = flow_dv_validate_action_jump(dev,
- NULL, act, action_flags,
+ NULL, act, action_flags[i],
attr, true, &flow_err);
if (ret)
return -rte_mtr_error_set(error,
flow_err.message :
"Jump action validate check fail");
++actions_n;
- action_flags |= MLX5_FLOW_ACTION_JUMP;
+ action_flags[i] |= MLX5_FLOW_ACTION_JUMP;
break;
+ /*
+ * Only the last meter in the hierarchy will support
+ * the YELLOW color steering. Then in the meter policy
+ * actions list, there should be no other meter inside.
+ */
case RTE_FLOW_ACTION_TYPE_METER:
if (i != RTE_COLOR_GREEN)
return -rte_mtr_error_set(error,
mtr = act->conf;
ret = flow_dv_validate_policy_mtr_hierarchy(dev,
mtr->mtr_id,
- action_flags,
+ action_flags[i],
is_rss,
&hierarchy_domain,
error);
if (ret)
return ret;
++actions_n;
- action_flags |=
+ action_flags[i] |=
MLX5_FLOW_ACTION_METER_WITH_TERMINATED_POLICY;
break;
default:
"Doesn't support optional action");
}
}
- /* Yellow is not supported, just skip. */
- if (i == RTE_COLOR_YELLOW)
- continue;
- if (action_flags & MLX5_FLOW_ACTION_PORT_ID)
+ if (action_flags[i] & MLX5_FLOW_ACTION_PORT_ID)
domain_color[i] = MLX5_MTR_DOMAIN_TRANSFER_BIT;
- else if ((action_flags &
- (MLX5_FLOW_ACTION_RSS | MLX5_FLOW_ACTION_QUEUE)) ||
- (action_flags & MLX5_FLOW_ACTION_MARK))
+ else if ((action_flags[i] &
+ (MLX5_FLOW_ACTION_RSS | MLX5_FLOW_ACTION_QUEUE)) ||
+ (action_flags[i] & MLX5_FLOW_ACTION_MARK))
/*
* Only support MLX5_XMETA_MODE_LEGACY
- * so MARK action only in ingress domain.
+ * so MARK action is only in ingress domain.
*/
domain_color[i] = MLX5_MTR_DOMAIN_INGRESS_BIT;
- else if (action_flags &
- MLX5_FLOW_ACTION_METER_WITH_TERMINATED_POLICY)
+ else if (action_flags[i] &
+ MLX5_FLOW_ACTION_METER_WITH_TERMINATED_POLICY)
domain_color[i] = hierarchy_domain;
else
domain_color[i] = def_domain;
+ /*
+ * Non-termination actions only support NIC Tx domain.
+ * The adjustion should be skipped when there is no
+ * action or only END is provided. The default domains
+ * bit-mask is set to find the MIN intersection.
+ * The action flags checking should also be skipped.
+ */
+ if ((def_green && i == RTE_COLOR_GREEN) ||
+ (def_yellow && i == RTE_COLOR_YELLOW))
+ continue;
/*
* Validate the drop action mutual exclusion
* with other actions. Drop action is mutually-exclusive
* with any other action, except for Count action.
*/
- if ((action_flags & MLX5_FLOW_ACTION_DROP) &&
- (action_flags & ~MLX5_FLOW_ACTION_DROP)) {
+ if ((action_flags[i] & MLX5_FLOW_ACTION_DROP) &&
+ (action_flags[i] & ~MLX5_FLOW_ACTION_DROP)) {
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "Drop action is mutually-exclusive "
/* Eswitch has few restrictions on using items and actions */
if (domain_color[i] & MLX5_MTR_DOMAIN_TRANSFER_BIT) {
if (!mlx5_flow_ext_mreg_supported(dev) &&
- action_flags & MLX5_FLOW_ACTION_MARK)
+ action_flags[i] & MLX5_FLOW_ACTION_MARK)
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "unsupported action MARK");
- if (action_flags & MLX5_FLOW_ACTION_QUEUE)
+ if (action_flags[i] & MLX5_FLOW_ACTION_QUEUE)
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "unsupported action QUEUE");
- if (action_flags & MLX5_FLOW_ACTION_RSS)
+ if (action_flags[i] & MLX5_FLOW_ACTION_RSS)
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "unsupported action RSS");
- if (!(action_flags & MLX5_FLOW_FATE_ESWITCH_ACTIONS))
+ if (!(action_flags[i] & MLX5_FLOW_FATE_ESWITCH_ACTIONS))
return -rte_mtr_error_set(error, ENOTSUP,
RTE_MTR_ERROR_TYPE_METER_POLICY,
NULL, "no fate action is found");
} else {
- if (!(action_flags & MLX5_FLOW_FATE_ACTIONS) &&
- (domain_color[i] &
- MLX5_MTR_DOMAIN_INGRESS_BIT)) {
+ if (!(action_flags[i] & MLX5_FLOW_FATE_ACTIONS) &&
+ (domain_color[i] & MLX5_MTR_DOMAIN_INGRESS_BIT)) {
if ((domain_color[i] &
- MLX5_MTR_DOMAIN_EGRESS_BIT))
+ MLX5_MTR_DOMAIN_EGRESS_BIT))
domain_color[i] =
- MLX5_MTR_DOMAIN_EGRESS_BIT;
+ MLX5_MTR_DOMAIN_EGRESS_BIT;
else
return -rte_mtr_error_set(error,
- ENOTSUP,
- RTE_MTR_ERROR_TYPE_METER_POLICY,
- NULL, "no fate action is found");
+ ENOTSUP,
+ RTE_MTR_ERROR_TYPE_METER_POLICY,
+ NULL,
+ "no fate action is found");
}
}
- if (domain_color[i] != def_domain)
- *domain_bitmap = domain_color[i];
}
+ /* If both colors have RSS, the attributes should be the same. */
+ if (flow_dv_mtr_policy_rss_compare(rss_color[RTE_COLOR_GREEN],
+ rss_color[RTE_COLOR_YELLOW]))
+ return -rte_mtr_error_set(error, EINVAL,
+ RTE_MTR_ERROR_TYPE_METER_POLICY,
+ NULL, "policy RSS attr conflict");
+ if (rss_color[RTE_COLOR_GREEN] || rss_color[RTE_COLOR_YELLOW])
+ *is_rss = true;
+ /* "domain_color[C]" is non-zero for each color, default is ALL. */
+ if (!def_green && !def_yellow &&
+ domain_color[RTE_COLOR_GREEN] != domain_color[RTE_COLOR_YELLOW] &&
+ !(action_flags[RTE_COLOR_GREEN] & MLX5_FLOW_ACTION_DROP) &&
+ !(action_flags[RTE_COLOR_YELLOW] & MLX5_FLOW_ACTION_DROP))
+ return -rte_mtr_error_set(error, EINVAL,
+ RTE_MTR_ERROR_TYPE_METER_POLICY,
+ NULL, "policy domains conflict");
+ /*
+ * At least one color policy is listed in the actions, the domains
+ * to be supported should be the intersection.
+ */
+ *domain_bitmap = domain_color[RTE_COLOR_GREEN] &
+ domain_color[RTE_COLOR_YELLOW];
return 0;
}