On 7/1/2020 4:24 PM, Chenxu Di wrote:
This patch enables flow query function to get the
configuration of the specified rule.
Signed-off-by: Chenxu Di <chenxux...@intel.com>
---
doc/guides/rel_notes/release_20_08.rst | 1 +
drivers/net/i40e/i40e_flow.c | 49 ++++++++++++++++++++++++++
2 files changed, 50 insertions(+)
diff --git a/doc/guides/rel_notes/release_20_08.rst
b/doc/guides/rel_notes/release_20_08.rst
index 1252a337a..a7fb3136d 100644
--- a/doc/guides/rel_notes/release_20_08.rst
+++ b/doc/guides/rel_notes/release_20_08.rst
@@ -90,6 +90,7 @@ New Features
* Re-implemented get_fdir_info and get_fdir_stat in private API.
* Re-implemented set_gre_key_len in private API.
+ * Added support for flow query RSS.
* **Updated the Intel ixgbe driver.**
diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index 8f8df6fae..4186a5df2 100644
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -43,6 +43,10 @@ static int i40e_flow_destroy(struct rte_eth_dev *dev,
struct rte_flow_error *error);
static int i40e_flow_flush(struct rte_eth_dev *dev,
struct rte_flow_error *error);
+static int i40e_flow_query(struct rte_eth_dev *dev,
+ struct rte_flow *flow,
+ const struct rte_flow_action *actions,
+ void *data, struct rte_flow_error *error);
static int
i40e_flow_parse_ethertype_pattern(struct rte_eth_dev *dev,
const struct rte_flow_item *pattern,
@@ -129,6 +133,7 @@ const struct rte_flow_ops i40e_flow_ops = {
.create = i40e_flow_create,
.destroy = i40e_flow_destroy,
.flush = i40e_flow_flush,
+ .query = i40e_flow_query,
};
static union i40e_filter_t cons_filter;
@@ -5462,3 +5467,47 @@ i40e_flow_flush_rss_filter(struct rte_eth_dev *dev)
return ret;
}
+
+static int
+i40e_flow_query(struct rte_eth_dev *dev __rte_unused,
+ struct rte_flow *flow,
+ const struct rte_flow_action *actions,
+ void *data, struct rte_flow_error *error)
+{
+ struct i40e_rss_filter *rss_rule = (struct i40e_rss_filter *)flow->rule;
+ enum rte_filter_type filter_type = flow->filter_type;
+ struct rte_flow_action_rss *rss_conf = data;
+
+ if (!rss_rule) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_HANDLE,
+ NULL, "Invalid rule");
+ return -rte_errno;
+ }
+
+ for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
+ switch (actions->type) {
+ case RTE_FLOW_ACTION_TYPE_VOID:
+ break;
+ case RTE_FLOW_ACTION_TYPE_RSS:
+ if (filter_type != RTE_ETH_FILTER_HASH) {
+ rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ actions,
+ "action not supported");
+ return -rte_errno;
+ }
+ rte_memcpy(rss_conf,
+ &rss_rule->rss_filter_info.conf,
+ sizeof(struct rte_flow_action_rss));
+ break;
+ default:
+ return rte_flow_error_set(error, ENOTSUP,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ actions,
+ "action not supported");
+ }
+ }
+
+ return 0;
+}
Acked-by: Jeff Guo <jia....@intel.com <mailto:jia....@intel.com>>
