FDIR can send packet to a group of queues and distruibte it by RSS.
Signed-off-by: Yahui Cao <yahui....@intel.com>
---
drivers/net/ice/ice_fdir_filter.c | 65 +++++++++++++++++++++++++++++++
1 file changed, 65 insertions(+)
diff --git a/drivers/net/ice/ice_fdir_filter.c
b/drivers/net/ice/ice_fdir_filter.c
index df4d0329c..ebbe1bd6c 100644
--- a/drivers/net/ice/ice_fdir_filter.c
+++ b/drivers/net/ice/ice_fdir_filter.c
@@ -741,6 +741,62 @@ static struct ice_flow_engine ice_fdir_engine = {
.type = ICE_FLOW_ENGINE_FDIR,
};
+static int
+ice_fdir_parse_action_qregion(struct ice_pf *pf,
+ struct rte_flow_error *error,
+ const struct rte_flow_action *act,
+ struct ice_fdir_filter_conf *filter)
+{
+ const struct rte_flow_action_rss *rss = act->conf;
+ uint32_t i;
+
+ if (act->type != RTE_FLOW_ACTION_TYPE_RSS) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, act,
+ "Invalid action.");
+ return -rte_errno;
+ }
+
+ if (rss->queue_num <= 1) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, act,
+ "Queue region size can't be 0 or 1.");
+ return -rte_errno;
+ }
+
+ /* check if queue index for queue region is continuos */
+ for (i = 0; i < rss->queue_num - 1; i++) {
+ if (rss->queue[i + 1] != rss->queue[i] + 1) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, act,
+ "Invalid queue region indexes.");
+ return -rte_errno;
+ }
+ }
+
+ if (rss->queue[rss->queue_num - 1] >= pf->dev_data->nb_rx_queues) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, act,
+ "Invalid queue region indexes.");
+ return -rte_errno;
+ }
+
+ if (!(rte_is_power_of_2(rss->queue_num) && (rss->queue_num <= 128))) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION, act,
+ "The region sizes should be any of the
following values:"
+ "1, 2, 4, 8, 16, 32, 64, 128 as long as the
total number "
+ "of queues do not exceed the VSI
allocation.");
+ return -rte_errno;
+ }
+
+ filter->input.q_index = rss->queue[0];
+ filter->input.q_region = rte_fls_u32(rss->queue_num) - 1;
+ filter->input.dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP;
+
+ return 0;
+}
+
static int
ice_fdir_parse_action(struct ice_adapter *ad,
const struct rte_flow_action actions[],
@@ -752,6 +808,7 @@ ice_fdir_parse_action(struct ice_adapter *ad,
const struct rte_flow_action_mark *mark_spec = NULL;
uint32_t dest_num = 0;
uint32_t mark_num = 0;
+ int ret;
for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
switch (actions->type) {
@@ -785,6 +842,14 @@ ice_fdir_parse_action(struct ice_adapter *ad,
ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX;
filter->input.q_index = 0;
break;
+ case RTE_FLOW_ACTION_TYPE_RSS:
+ dest_num++;
+
+ ret = ice_fdir_parse_action_qregion(pf,
+ error, actions, filter);
+ if (ret)
+ return ret;
+ break;
case RTE_FLOW_ACTION_TYPE_MARK:
mark_num++;
--
2.17.1
