diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_flow.c')
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_flow.c | 47 |
1 files changed, 13 insertions, 34 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_flow.c b/drivers/net/ethernet/intel/ice/ice_flow.c index c34be72f99b3..0e2510d7535b 100644 --- a/drivers/net/ethernet/intel/ice/ice_flow.c +++ b/drivers/net/ethernet/intel/ice/ice_flow.c @@ -1328,7 +1328,6 @@ ice_flow_rem_entry_sync(struct ice_hw *hw, enum ice_block __always_unused blk, * @hw: pointer to the HW struct * @blk: classification stage * @dir: flow direction - * @prof_id: unique ID to identify this flow profile * @segs: array of one or more packet segments that describe the flow * @segs_cnt: number of packet segments provided * @prof: stores the returned flow profile added @@ -1337,17 +1336,24 @@ ice_flow_rem_entry_sync(struct ice_hw *hw, enum ice_block __always_unused blk, */ static int ice_flow_add_prof_sync(struct ice_hw *hw, enum ice_block blk, - enum ice_flow_dir dir, u64 prof_id, + enum ice_flow_dir dir, struct ice_flow_seg_info *segs, u8 segs_cnt, struct ice_flow_prof **prof) { struct ice_flow_prof_params *params; + struct ice_prof_id *ids; int status; + u64 prof_id; u8 i; if (!prof) return -EINVAL; + ids = &hw->blk[blk].prof_id; + prof_id = find_first_zero_bit(ids->id, ids->count); + if (prof_id >= ids->count) + return -ENOSPC; + params = kzalloc(sizeof(*params), GFP_KERNEL); if (!params) return -ENOMEM; @@ -1393,6 +1399,7 @@ ice_flow_add_prof_sync(struct ice_hw *hw, enum ice_block blk, INIT_LIST_HEAD(¶ms->prof->entries); mutex_init(¶ms->prof->entries_lock); + set_bit(prof_id, ids->id); *prof = params->prof; out: @@ -1436,6 +1443,7 @@ ice_flow_rem_prof_sync(struct ice_hw *hw, enum ice_block blk, /* Remove all hardware profiles associated with this flow profile */ status = ice_rem_prof(hw, blk, prof->id); if (!status) { + clear_bit(prof->id, hw->blk[blk].prof_id.id); list_del(&prof->l_entry); mutex_destroy(&prof->entries_lock); devm_kfree(ice_hw_to_dev(hw), prof); @@ -1511,14 +1519,13 @@ ice_flow_disassoc_prof(struct ice_hw *hw, enum ice_block blk, * @hw: pointer to the HW struct * @blk: classification stage * @dir: flow direction - * @prof_id: unique ID to identify this flow profile * @segs: array of one or more packet segments that describe the flow * @segs_cnt: number of packet segments provided * @prof: stores the returned flow profile added */ int ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir, - u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt, + struct ice_flow_seg_info *segs, u8 segs_cnt, struct ice_flow_prof **prof) { int status; @@ -1538,8 +1545,7 @@ ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir, mutex_lock(&hw->fl_profs_locks[blk]); - status = ice_flow_add_prof_sync(hw, blk, dir, prof_id, segs, segs_cnt, - prof); + status = ice_flow_add_prof_sync(hw, blk, dir, segs, segs_cnt, prof); if (!status) list_add(&(*prof)->l_entry, &hw->fl_profs[blk]); @@ -2066,28 +2072,6 @@ ice_add_rss_list(struct ice_hw *hw, u16 vsi_handle, struct ice_flow_prof *prof) return 0; } -#define ICE_FLOW_PROF_HASH_S 0 -#define ICE_FLOW_PROF_HASH_M GENMASK_ULL(31, 0) -#define ICE_FLOW_PROF_HDR_S 32 -#define ICE_FLOW_PROF_HDR_M GENMASK_ULL(61, 32) -#define ICE_FLOW_PROF_ENCAP_S 62 -#define ICE_FLOW_PROF_ENCAP_M GENMASK_ULL(63, 62) - -/* Flow profile ID format: - * [0:31] - Packet match fields - * [32:61] - Protocol header - * [62:63] - Encapsulation flag: - * 0 if non-tunneled - * 1 if tunneled - * 2 for tunneled with outer ipv4 - * 3 for tunneled with outer ipv6 - */ -#define ICE_FLOW_GEN_PROFID(hash, hdr, encap) \ - ((u64)(((u64)(hash) & ICE_FLOW_PROF_HASH_M) | \ - (((u64)(hdr) << ICE_FLOW_PROF_HDR_S) & ICE_FLOW_PROF_HDR_M) | \ - (((u64)(encap) << ICE_FLOW_PROF_ENCAP_S) & \ - ICE_FLOW_PROF_ENCAP_M))) - /** * ice_add_rss_cfg_sync - add an RSS configuration * @hw: pointer to the hardware structure @@ -2165,13 +2149,8 @@ ice_add_rss_cfg_sync(struct ice_hw *hw, u16 vsi_handle, goto exit; } - /* Create a new flow profile with generated profile and packet - * segment information. - */ + /* Create a new flow profile with packet segment information. */ status = ice_flow_add_prof(hw, blk, ICE_FLOW_RX, - ICE_FLOW_GEN_PROFID(cfg->hash_flds, - segs[segs_cnt - 1].hdrs, - cfg->hdr_type), segs, segs_cnt, &prof); if (status) goto exit; |