diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_flow.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_flow.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_flow.c b/drivers/net/ethernet/intel/ice/ice_flow.c index 4ecac0ae565a..a05ceb59863b 100644 --- a/drivers/net/ethernet/intel/ice/ice_flow.c +++ b/drivers/net/ethernet/intel/ice/ice_flow.c @@ -1244,3 +1244,32 @@ enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle) return status; } + +/** + * ice_get_rss_cfg - returns hashed fields for the given header types + * @hw: pointer to the hardware structure + * @vsi_handle: software VSI handle + * @hdrs: protocol header type + * + * This function will return the match fields of the first instance of flow + * profile having the given header types and containing input VSI + */ +u64 ice_get_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u32 hdrs) +{ + struct ice_rss_cfg *r, *rss_cfg = NULL; + + /* verify if the protocol header is non zero and VSI is valid */ + if (hdrs == ICE_FLOW_SEG_HDR_NONE || !ice_is_vsi_valid(hw, vsi_handle)) + return ICE_HASH_INVALID; + + mutex_lock(&hw->rss_locks); + list_for_each_entry(r, &hw->rss_list_head, l_entry) + if (test_bit(vsi_handle, r->vsis) && + r->packet_hdr == hdrs) { + rss_cfg = r; + break; + } + mutex_unlock(&hw->rss_locks); + + return rss_cfg ? rss_cfg->hashed_flds : ICE_HASH_INVALID; +} |