diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_flex_pipe.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_flex_pipe.c | 106 |
1 files changed, 92 insertions, 14 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c index fa2ebd548b1c..afe77f7a3199 100644 --- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c +++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c @@ -2506,20 +2506,22 @@ static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type) * ice_alloc_tcam_ent - allocate hardware TCAM entry * @hw: pointer to the HW struct * @blk: the block to allocate the TCAM for + * @btm: true to allocate from bottom of table, false to allocate from top * @tcam_idx: pointer to variable to receive the TCAM entry * * This function allocates a new entry in a Profile ID TCAM for a specific * block. */ static enum ice_status -ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 *tcam_idx) +ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, bool btm, + u16 *tcam_idx) { u16 res_type; if (!ice_tcam_ent_rsrc_type(blk, &res_type)) return ICE_ERR_PARAM; - return ice_alloc_hw_res(hw, res_type, 1, true, tcam_idx); + return ice_alloc_hw_res(hw, res_type, 1, btm, tcam_idx); } /** @@ -4113,12 +4115,67 @@ ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es) return 0; } +/* The entries here needs to match the order of enum ice_ptype_attrib */ +static const struct ice_ptype_attrib_info ice_ptype_attributes[] = { + { ICE_GTP_PDU_EH, ICE_GTP_PDU_FLAG_MASK }, + { ICE_GTP_SESSION, ICE_GTP_FLAGS_MASK }, + { ICE_GTP_DOWNLINK, ICE_GTP_FLAGS_MASK }, + { ICE_GTP_UPLINK, ICE_GTP_FLAGS_MASK }, +}; + +/** + * ice_get_ptype_attrib_info - get PTYPE attribute information + * @type: attribute type + * @info: pointer to variable to the attribute information + */ +static void +ice_get_ptype_attrib_info(enum ice_ptype_attrib_type type, + struct ice_ptype_attrib_info *info) +{ + *info = ice_ptype_attributes[type]; +} + +/** + * ice_add_prof_attrib - add any PTG with attributes to profile + * @prof: pointer to the profile to which PTG entries will be added + * @ptg: PTG to be added + * @ptype: PTYPE that needs to be looked up + * @attr: array of attributes that will be considered + * @attr_cnt: number of elements in the attribute array + */ +static enum ice_status +ice_add_prof_attrib(struct ice_prof_map *prof, u8 ptg, u16 ptype, + const struct ice_ptype_attributes *attr, u16 attr_cnt) +{ + bool found = false; + u16 i; + + for (i = 0; i < attr_cnt; i++) + if (attr[i].ptype == ptype) { + found = true; + + prof->ptg[prof->ptg_cnt] = ptg; + ice_get_ptype_attrib_info(attr[i].attrib, + &prof->attr[prof->ptg_cnt]); + + if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE) + return ICE_ERR_MAX_LIMIT; + } + + if (!found) + return ICE_ERR_DOES_NOT_EXIST; + + return 0; +} + /** * ice_add_prof - add profile * @hw: pointer to the HW struct * @blk: hardware block * @id: profile tracking ID * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits) + * @attr: array of attributes + * @attr_cnt: number of elements in attr array * @es: extraction sequence (length of array is determined by the block) * @masks: mask for extraction sequence * @@ -4129,6 +4186,7 @@ ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es) */ enum ice_status ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], + const struct ice_ptype_attributes *attr, u16 attr_cnt, struct ice_fv_word *es, u16 *masks) { u32 bytes = DIV_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE); @@ -4198,7 +4256,6 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], BITS_PER_BYTE) { u16 ptype; u8 ptg; - u8 m; ptype = byte * BITS_PER_BYTE + bit; @@ -4213,15 +4270,25 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], continue; set_bit(ptg, ptgs_used); - prof->ptg[prof->ptg_cnt] = ptg; - - if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE) + /* Check to see there are any attributes for + * this PTYPE, and add them if found. + */ + status = ice_add_prof_attrib(prof, ptg, ptype, + attr, attr_cnt); + if (status == ICE_ERR_MAX_LIMIT) break; + if (status) { + /* This is simple a PTYPE/PTG with no + * attribute + */ + prof->ptg[prof->ptg_cnt] = ptg; + prof->attr[prof->ptg_cnt].flags = 0; + prof->attr[prof->ptg_cnt].mask = 0; - /* nothing left in byte, then exit */ - m = ~(u8)((1 << (bit + 1)) - 1); - if (!(ptypes[byte] & m)) - break; + if (++prof->ptg_cnt >= + ICE_MAX_PTG_PER_PROFILE) + break; + } } bytes--; @@ -4732,7 +4799,12 @@ ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable, } /* for re-enabling, reallocate a TCAM */ - status = ice_alloc_tcam_ent(hw, blk, &tcam->tcam_idx); + /* for entries with empty attribute masks, allocate entry from + * the bottom of the TCAM table; otherwise, allocate from the + * top of the table in order to give it higher priority + */ + status = ice_alloc_tcam_ent(hw, blk, tcam->attr.mask == 0, + &tcam->tcam_idx); if (status) return status; @@ -4742,8 +4814,8 @@ ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable, return ICE_ERR_NO_MEMORY; status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id, - tcam->ptg, vsig, 0, 0, vl_msk, dc_msk, - nm_msk); + tcam->ptg, vsig, 0, tcam->attr.flags, + vl_msk, dc_msk, nm_msk); if (status) goto err_ice_prof_tcam_ena_dis; @@ -4891,7 +4963,12 @@ ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, } /* allocate the TCAM entry index */ - status = ice_alloc_tcam_ent(hw, blk, &tcam_idx); + /* for entries with empty attribute masks, allocate entry from + * the bottom of the TCAM table; otherwise, allocate from the + * top of the table in order to give it higher priority + */ + status = ice_alloc_tcam_ent(hw, blk, map->attr[i].mask == 0, + &tcam_idx); if (status) { devm_kfree(ice_hw_to_dev(hw), p); goto err_ice_add_prof_id_vsig; @@ -4900,6 +4977,7 @@ ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, t->tcam[i].ptg = map->ptg[i]; t->tcam[i].prof_id = map->prof_id; t->tcam[i].tcam_idx = tcam_idx; + t->tcam[i].attr = map->attr[i]; t->tcam[i].in_use = true; p->type = ICE_TCAM_ADD; |
