On 09/06, Yahui Cao wrote:
>FDIR can send packet to a group of queues and distruibte it by RSS.
>
>Signed-off-by: Yahui Cao <yahui.cao at 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 */
s/continuos/continuous
>+ 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.");
Change the error message to "discontinuous queue region." to be more specific?
>+ 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))) {
Use a macro fro the 128.
>+ rte_flow_error_set(error, EINVAL,
>+ RTE_FLOW_ERROR_TYPE_ACTION, act,
>+ "The region sizes should be any of the following values:"
s/sizes/size
>+ "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
>