On 11/14, Qi Zhang wrote:
>Currently, multiple rte_flow RSS rules may map to the same
>hardware rule if a later rule is just for input set change or
>symm turn on/off. So after one of the rules be destroyed, we will
>get error ICE_ERR_DOES_NOT_EXIST when destroying any other rules.
>The patch simply fixes this by ignoring this error. A more
>sophisticated fix that remember the sequence and replay properly
>will be provided in the future.
>
>Fixes: 5ad3db8d4bdd ("net/ice: enable advanced RSS")
>
>Signed-off-by: Qi Zhang <qi.z.zh...@intel.com>
>---
>
>v2:
>- fix couple typo
>
> drivers/net/ice/ice_hash.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/net/ice/ice_hash.c b/drivers/net/ice/ice_hash.c
>index d88434305..2e9c1bc67 100644
>--- a/drivers/net/ice/ice_hash.c
>+++ b/drivers/net/ice/ice_hash.c
>@@ -536,7 +536,12 @@ ice_hash_destroy(struct ice_adapter *ad,
> ret = ice_rem_rss_cfg(hw, vsi->idx,
> filter_ptr->rss_cfg.hashed_flds,
> filter_ptr->rss_cfg.packet_hdr);
>- if (ret) {
>+ /* Fixme: Ignore the error if a rule does not exist.
>+ * Currently a rule for inputset change or symm turn on/off
>+ * will overwrite an exist rule, while application still
>+ * have 2 rte_flow handles.
>+ **/
>+ if (ret && ret != ICE_ERR_DOES_NOT_EXIST) {
> rte_flow_error_set(error, EINVAL,
> RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
> "rss flow destroy fail");
>--
>2.13.6
>
Applied to dpdk-next-net-intel, Thanks.
