* Pointer to return the created subflow, may be NULL.
* @param[in] prefix_layers
* Prefix subflow layers, may be 0.
+ * @param[in] prefix_mark
+ * Prefix subflow mark flag, may be 0.
* @param[in] attr
* Flow rule attributes.
* @param[in] items
struct rte_flow *flow,
struct mlx5_flow **sub_flow,
uint64_t prefix_layers,
+ uint32_t prefix_mark,
const struct rte_flow_attr *attr,
const struct rte_flow_item items[],
const struct rte_flow_action actions[],
dev_flow->handle, next);
/*
* If dev_flow is as one of the suffix flow, some actions in suffix
- * flow may need some user defined item layer flags.
+ * flow may need some user defined item layer flags, and pass the
+ * Metadate rxq mark flag to suffix flow as well.
*/
if (prefix_layers)
dev_flow->handle->layers = prefix_layers;
+ if (prefix_mark)
+ dev_flow->handle->mark = 1;
if (sub_flow)
*sub_flow = dev_flow;
return flow_drv_translate(dev, dev_flow, attr, items, actions, error);
return 0;
}
+/**
+ * Check the match action from the action list.
+ *
+ * @param[in] actions
+ * Pointer to the list of actions.
+ * @param[in] action
+ * The action to be check if exist.
+ * @param[out] match_action_pos
+ * Pointer to the position of the matched action if exists, otherwise is -1.
+ * @param[out] qrss_action_pos
+ * Pointer to the position of the Queue/RSS action if exists, otherwise is -1.
+ *
+ * @return
+ * > 0 the total number of actions.
+ * 0 if not found match action in action list.
+ */
+static int
+flow_check_match_action(const struct rte_flow_action actions[],
+ enum rte_flow_action_type action,
+ int *match_action_pos, int *qrss_action_pos)
+{
+ int actions_n = 0;
+ int flag = 0;
+
+ *match_action_pos = -1;
+ *qrss_action_pos = -1;
+ for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
+ if (actions->type == action) {
+ flag = 1;
+ *match_action_pos = actions_n;
+ }
+ if (actions->type == RTE_FLOW_ACTION_TYPE_QUEUE ||
+ actions->type == RTE_FLOW_ACTION_TYPE_RSS)
+ *qrss_action_pos = actions_n;
+ actions_n++;
+ }
+ /* Count RTE_FLOW_ACTION_TYPE_END. */
+ return flag ? actions_n + 1 : 0;
+}
+
+#define SAMPLE_SUFFIX_ITEM 2
+
+/**
+ * Split the sample flow.
+ *
+ * As sample flow will split to two sub flow, sample flow with
+ * sample action, the other actions will move to new suffix flow.
+ *
+ * Also add unique tag id with tag action in the sample flow,
+ * the same tag id will be as match in the suffix flow.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param[in] fdb_tx
+ * FDB egress flow flag.
+ * @param[out] sfx_items
+ * Suffix flow match items (list terminated by the END pattern item).
+ * @param[in] actions
+ * Associated actions (list terminated by the END action).
+ * @param[out] actions_sfx
+ * Suffix flow actions.
+ * @param[out] actions_pre
+ * Prefix flow actions.
+ * @param[in] actions_n
+ * The total number of actions.
+ * @param[in] sample_action_pos
+ * The sample action position.
+ * @param[in] qrss_action_pos
+ * The Queue/RSS action position.
+ * @param[out] error
+ * Perform verbose error reporting if not NULL.
+ *
+ * @return
+ * 0 on success, or unique flow_id, a negative errno value
+ * otherwise and rte_errno is set.
+ */
+static int
+flow_sample_split_prep(struct rte_eth_dev *dev,
+ uint32_t fdb_tx,
+ struct rte_flow_item sfx_items[],
+ const struct rte_flow_action actions[],
+ struct rte_flow_action actions_sfx[],
+ struct rte_flow_action actions_pre[],
+ int actions_n,
+ int sample_action_pos,
+ int qrss_action_pos,
+ struct rte_flow_error *error)
+{
+ struct mlx5_rte_flow_action_set_tag *set_tag;
+ struct mlx5_rte_flow_item_tag *tag_spec;
+ struct mlx5_rte_flow_item_tag *tag_mask;
+ uint32_t tag_id = 0;
+ int index;
+ int ret;
+
+ if (sample_action_pos < 0)
+ return rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "invalid position of sample "
+ "action in list");
+ if (!fdb_tx) {
+ /* Prepare the prefix tag action. */
+ set_tag = (void *)(actions_pre + actions_n + 1);
+ ret = mlx5_flow_get_reg_id(dev, MLX5_APP_TAG, 0, error);
+ if (ret < 0)
+ return ret;
+ set_tag->id = ret;
+ tag_id = flow_qrss_get_id(dev);
+ set_tag->data = tag_id;
+ /* Prepare the suffix subflow items. */
+ tag_spec = (void *)(sfx_items + SAMPLE_SUFFIX_ITEM);
+ tag_spec->data = tag_id;
+ tag_spec->id = set_tag->id;
+ tag_mask = tag_spec + 1;
+ tag_mask->data = UINT32_MAX;
+ sfx_items[0] = (struct rte_flow_item){
+ .type = (enum rte_flow_item_type)
+ MLX5_RTE_FLOW_ITEM_TYPE_TAG,
+ .spec = tag_spec,
+ .last = NULL,
+ .mask = tag_mask,
+ };
+ sfx_items[1] = (struct rte_flow_item){
+ .type = (enum rte_flow_item_type)
+ RTE_FLOW_ITEM_TYPE_END,
+ };
+ }
+ /* Prepare the actions for prefix and suffix flow. */
+ if (qrss_action_pos >= 0 && qrss_action_pos < sample_action_pos) {
+ index = qrss_action_pos;
+ /* Put the preceding the Queue/RSS action into prefix flow. */
+ if (index != 0)
+ memcpy(actions_pre, actions,
+ sizeof(struct rte_flow_action) * index);
+ /* Put others preceding the sample action into prefix flow. */
+ if (sample_action_pos > index + 1)
+ memcpy(actions_pre + index, actions + index + 1,
+ sizeof(struct rte_flow_action) *
+ (sample_action_pos - index - 1));
+ index = sample_action_pos - 1;
+ /* Put Queue/RSS action into Suffix flow. */
+ memcpy(actions_sfx, actions + qrss_action_pos,
+ sizeof(struct rte_flow_action));
+ actions_sfx++;
+ } else {
+ index = sample_action_pos;
+ if (index != 0)
+ memcpy(actions_pre, actions,
+ sizeof(struct rte_flow_action) * index);
+ }
+ /* Add the extra tag action for NIC-RX and E-Switch ingress. */
+ if (!fdb_tx) {
+ actions_pre[index++] =
+ (struct rte_flow_action){
+ .type = (enum rte_flow_action_type)
+ MLX5_RTE_FLOW_ACTION_TYPE_TAG,
+ .conf = set_tag,
+ };
+ }
+ memcpy(actions_pre + index, actions + sample_action_pos,
+ sizeof(struct rte_flow_action));
+ index += 1;
+ actions_pre[index] = (struct rte_flow_action){
+ .type = (enum rte_flow_action_type)
+ RTE_FLOW_ACTION_TYPE_END,
+ };
+ /* Put the actions after sample into Suffix flow. */
+ memcpy(actions_sfx, actions + sample_action_pos + 1,
+ sizeof(struct rte_flow_action) *
+ (actions_n - sample_action_pos - 1));
+ return tag_id;
+}
+
/**
* The splitting for metadata feature.
*
* Parent flow structure pointer.
* @param[in] prefix_layers
* Prefix flow layer flags.
+ * @param[in] prefix_mark
+ * Prefix subflow mark flag, may be 0.
* @param[in] attr
* Flow rule attributes.
* @param[in] items
flow_create_split_metadata(struct rte_eth_dev *dev,
struct rte_flow *flow,
uint64_t prefix_layers,
+ uint32_t prefix_mark,
const struct rte_flow_attr *attr,
const struct rte_flow_item items[],
const struct rte_flow_action actions[],
config->dv_xmeta_en == MLX5_XMETA_MODE_LEGACY ||
!mlx5_flow_ext_mreg_supported(dev))
return flow_create_split_inner(dev, flow, NULL, prefix_layers,
- attr, items, actions, external,
- flow_idx, error);
+ prefix_mark, attr, items,
+ actions, external, flow_idx,
+ error);
actions_n = flow_parse_metadata_split_actions_info(actions, &qrss,
&encap_idx);
if (qrss) {
goto exit;
}
/* Add the unmodified original or prefix subflow. */
- ret = flow_create_split_inner(dev, flow, &dev_flow, prefix_layers, attr,
+ ret = flow_create_split_inner(dev, flow, &dev_flow, prefix_layers,
+ prefix_mark, attr,
items, ext_actions ? ext_actions :
actions, external, flow_idx, error);
if (ret < 0)
}
dev_flow = NULL;
/* Add suffix subflow to execute Q/RSS. */
- ret = flow_create_split_inner(dev, flow, &dev_flow, layers,
+ ret = flow_create_split_inner(dev, flow, &dev_flow, layers, 0,
&q_attr, mtr_sfx ? items :
q_items, q_actions,
external, flow_idx, error);
* Pointer to Ethernet device.
* @param[in] flow
* Parent flow structure pointer.
+ * @param[in] prefix_layers
+ * Prefix subflow layers, may be 0.
+ * @param[in] prefix_mark
+ * Prefix subflow mark flag, may be 0.
* @param[in] attr
* Flow rule attributes.
* @param[in] items
*/
static int
flow_create_split_meter(struct rte_eth_dev *dev,
- struct rte_flow *flow,
- const struct rte_flow_attr *attr,
- const struct rte_flow_item items[],
- const struct rte_flow_action actions[],
- bool external, uint32_t flow_idx,
- struct rte_flow_error *error)
+ struct rte_flow *flow,
+ uint64_t prefix_layers,
+ uint32_t prefix_mark,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_item items[],
+ const struct rte_flow_action actions[],
+ bool external, uint32_t flow_idx,
+ struct rte_flow_error *error)
{
struct mlx5_priv *priv = dev->data->dev_private;
struct rte_flow_action *sfx_actions = NULL;
goto exit;
}
/* Add the prefix subflow. */
- ret = flow_create_split_inner(dev, flow, &dev_flow, 0, attr,
- items, pre_actions, external,
+ ret = flow_create_split_inner(dev, flow, &dev_flow,
+ prefix_layers, 0,
+ attr, items,
+ pre_actions, external,
flow_idx, error);
if (ret) {
ret = -rte_errno;
/* Add the prefix subflow. */
ret = flow_create_split_metadata(dev, flow, dev_flow ?
flow_get_prefix_layer_flags(dev_flow) :
- 0, &sfx_attr,
- sfx_items ? sfx_items : items,
+ prefix_layers, dev_flow ?
+ dev_flow->handle->mark : prefix_mark,
+ &sfx_attr, sfx_items ?
+ sfx_items : items,
sfx_actions ? sfx_actions : actions,
external, flow_idx, error);
exit:
return ret;
}
+/**
+ * The splitting for sample feature.
+ *
+ * Once Sample action is detected in the action list, the flow actions should
+ * be split into prefix sub flow and suffix sub flow.
+ *
+ * The original items remain in the prefix sub flow, all actions preceding the
+ * sample action and the sample action itself will be copied to the prefix
+ * sub flow, the actions following the sample action will be copied to the
+ * suffix sub flow, Queue action always be located in the suffix sub flow.
+ *
+ * In order to make the packet from prefix sub flow matches with suffix sub
+ * flow, an extra tag action be added into prefix sub flow, and the suffix sub
+ * flow uses tag item with the unique flow id.
+ *
+ * @param dev
+ * Pointer to Ethernet device.
+ * @param[in] flow
+ * Parent flow structure pointer.
+ * @param[in] attr
+ * Flow rule attributes.
+ * @param[in] items
+ * Pattern specification (list terminated by the END pattern item).
+ * @param[in] actions
+ * Associated actions (list terminated by the END action).
+ * @param[in] external
+ * This flow rule is created by request external to PMD.
+ * @param[in] flow_idx
+ * This memory pool index to the flow.
+ * @param[out] error
+ * Perform verbose error reporting if not NULL.
+ * @return
+ * 0 on success, negative value otherwise
+ */
+static int
+flow_create_split_sample(struct rte_eth_dev *dev,
+ struct rte_flow *flow,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_item items[],
+ const struct rte_flow_action actions[],
+ bool external, uint32_t flow_idx,
+ struct rte_flow_error *error)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct rte_flow_action *sfx_actions = NULL;
+ struct rte_flow_action *pre_actions = NULL;
+ struct rte_flow_item *sfx_items = NULL;
+ struct mlx5_flow *dev_flow = NULL;
+ struct rte_flow_attr sfx_attr = *attr;
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+ struct mlx5_flow_dv_sample_resource *sample_res;
+ struct mlx5_flow_tbl_data_entry *sfx_tbl_data;
+ struct mlx5_flow_tbl_resource *sfx_tbl;
+ union mlx5_flow_tbl_key sfx_table_key;
+#endif
+ size_t act_size;
+ size_t item_size;
+ uint32_t fdb_tx = 0;
+ int32_t tag_id = 0;
+ int actions_n = 0;
+ int sample_action_pos;
+ int qrss_action_pos;
+ int ret = 0;
+
+ if (priv->sampler_en)
+ actions_n = flow_check_match_action(actions,
+ RTE_FLOW_ACTION_TYPE_SAMPLE,
+ &sample_action_pos, &qrss_action_pos);
+ if (actions_n) {
+ /* The prefix actions must includes sample, tag, end. */
+ act_size = sizeof(struct rte_flow_action) * (actions_n * 2 + 1)
+ + sizeof(struct mlx5_rte_flow_action_set_tag);
+ item_size = sizeof(struct rte_flow_item) * SAMPLE_SUFFIX_ITEM +
+ sizeof(struct mlx5_rte_flow_item_tag) * 2;
+ sfx_actions = mlx5_malloc(MLX5_MEM_ZERO, (act_size +
+ item_size), 0, SOCKET_ID_ANY);
+ if (!sfx_actions)
+ return rte_flow_error_set(error, ENOMEM,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ NULL, "no memory to split "
+ "sample flow");
+ /* The representor_id is -1 for uplink. */
+ fdb_tx = (attr->transfer && priv->representor_id != -1);
+ if (!fdb_tx)
+ sfx_items = (struct rte_flow_item *)((char *)sfx_actions
+ + act_size);
+ pre_actions = sfx_actions + actions_n;
+ tag_id = flow_sample_split_prep(dev, fdb_tx, sfx_items,
+ actions, sfx_actions,
+ pre_actions, actions_n,
+ sample_action_pos,
+ qrss_action_pos, error);
+ if (tag_id < 0 || (!fdb_tx && !tag_id)) {
+ ret = -rte_errno;
+ goto exit;
+ }
+ /* Add the prefix subflow. */
+ ret = flow_create_split_inner(dev, flow, &dev_flow, 0, 0, attr,
+ items, pre_actions, external,
+ flow_idx, error);
+ if (ret) {
+ ret = -rte_errno;
+ goto exit;
+ }
+ dev_flow->handle->split_flow_id = tag_id;
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+ /* Set the sfx group attr. */
+ sample_res = (struct mlx5_flow_dv_sample_resource *)
+ dev_flow->dv.sample_res;
+ sfx_tbl = (struct mlx5_flow_tbl_resource *)
+ sample_res->normal_path_tbl;
+ sfx_tbl_data = container_of(sfx_tbl,
+ struct mlx5_flow_tbl_data_entry, tbl);
+ sfx_table_key.v64 = sfx_tbl_data->entry.key;
+ sfx_attr.group = sfx_attr.transfer ?
+ (sfx_table_key.table_id - 1) :
+ sfx_table_key.table_id;
+#endif
+ }
+ /* Add the suffix subflow. */
+ ret = flow_create_split_meter(dev, flow, dev_flow ?
+ flow_get_prefix_layer_flags(dev_flow) : 0,
+ dev_flow ? dev_flow->handle->mark : 0,
+ &sfx_attr, sfx_items ? sfx_items : items,
+ sfx_actions ? sfx_actions : actions,
+ external, flow_idx, error);
+exit:
+ if (sfx_actions)
+ mlx5_free(sfx_actions);
+ return ret;
+}
+
/**
* Split the flow to subflow set. The splitters might be linked
* in the chain, like this:
{
int ret;
- ret = flow_create_split_meter(dev, flow, attr, items,
- actions, external, flow_idx, error);
+ ret = flow_create_split_sample(dev, flow, attr, items,
+ actions, external, flow_idx, error);
MLX5_ASSERT(ret <= 0);
return ret;
}
git.droids-corp.org / dpdk.git / commitdiff