On 11/12, Qi Zhang wrote: >Currently, multiple rte_flow RSS rules may mapping to the same
s/mapping/map >hardware rule if a later rule is just for inputset 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. In this case, the hardware rule has been destroyed by the first rte_flow RSS rule removal, right? Do we need a counter or similar to record how may rte_flow RSS rules are linked to the hardware rule? >The patch simply fix this by ignore this error. A more sophistic s/fix/fixes And I think you mean "sophisticated"? >fix that remember the sequence and replay properly will be provided >in future. > >Fixes: 5ad3db8d4bdd ("net/ice: enable advanced RSS") > >Signed-off-by: Qi Zhang <qi.z.zh...@intel.com> >--- > 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) { This patch can't be applied cleanly on top of latest dpdk-next-net-intel, please help do a rebase. Thanks, Xiaolong > rte_flow_error_set(error, EINVAL, > RTE_FLOW_ERROR_TYPE_HANDLE, NULL, > "rss flow destroy fail"); >-- >2.13.6 >