diff options
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_fdir.c | 62 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_fdir.h | 8 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_flex_pipe.c | 422 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_flex_pipe.h | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_flex_type.h | 17 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_flow.c | 126 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_flow.h | 7 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_hw_autogen.h | 15 |
8 files changed, 623 insertions, 36 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_fdir.c b/drivers/net/ethernet/intel/ice/ice_fdir.c index 1e77f43b3b3e..0c2066c0ab1f 100644 --- a/drivers/net/ethernet/intel/ice/ice_fdir.c +++ b/drivers/net/ethernet/intel/ice/ice_fdir.c @@ -471,6 +471,39 @@ static void ice_pkt_insert_ipv6_addr(u8 *pkt, int offset, __be32 *addr) } /** + * ice_pkt_insert_u8 - insert a u8 value into a memory buffer. + * @pkt: packet buffer + * @offset: offset into buffer + * @data: 8 bit value to convert and insert into pkt at offset + */ +static void ice_pkt_insert_u8(u8 *pkt, int offset, u8 data) +{ + memcpy(pkt + offset, &data, sizeof(data)); +} + +/** + * ice_pkt_insert_u8_tc - insert a u8 value into a memory buffer for TC ipv6. + * @pkt: packet buffer + * @offset: offset into buffer + * @data: 8 bit value to convert and insert into pkt at offset + * + * This function is designed for inserting Traffic Class (TC) for IPv6, + * since that TC is not aligned in number of bytes. Here we split it out + * into two part and fill each byte with data copy from pkt, then insert + * the two bytes data one by one. + */ +static void ice_pkt_insert_u8_tc(u8 *pkt, int offset, u8 data) +{ + u8 high, low; + + high = (data >> 4) + (*(pkt + offset) & 0xF0); + memcpy(pkt + offset, &high, sizeof(high)); + + low = (*(pkt + offset + 1) & 0x0F) + ((data & 0x0F) << 4); + memcpy(pkt + offset + 1, &low, sizeof(low)); +} + +/** * ice_pkt_insert_u16 - insert a be16 value into a memory buffer * @pkt: packet buffer * @offset: offset into buffer @@ -530,11 +563,9 @@ ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, case IPPROTO_SCTP: flow = ICE_FLTR_PTYPE_NONF_IPV4_SCTP; break; - case IPPROTO_IP: + default: flow = ICE_FLTR_PTYPE_NONF_IPV4_OTHER; break; - default: - return ICE_ERR_PARAM; } } else if (input->flow_type == ICE_FLTR_PTYPE_NONF_IPV6_OTHER) { switch (input->ip.v6.proto) { @@ -547,11 +578,9 @@ ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, case IPPROTO_SCTP: flow = ICE_FLTR_PTYPE_NONF_IPV6_SCTP; break; - case IPPROTO_IP: + default: flow = ICE_FLTR_PTYPE_NONF_IPV6_OTHER; break; - default: - return ICE_ERR_PARAM; } } else { flow = input->flow_type; @@ -590,6 +619,8 @@ ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, input->ip.v4.dst_ip); ice_pkt_insert_u16(loc, ICE_IPV4_TCP_SRC_PORT_OFFSET, input->ip.v4.dst_port); + ice_pkt_insert_u8(loc, ICE_IPV4_TOS_OFFSET, input->ip.v4.tos); + ice_pkt_insert_u8(loc, ICE_IPV4_TTL_OFFSET, input->ip.v4.ttl); ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac); if (frag) loc[20] = ICE_FDIR_IPV4_PKT_FLAG_DF; @@ -603,6 +634,8 @@ ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, input->ip.v4.dst_ip); ice_pkt_insert_u16(loc, ICE_IPV4_UDP_SRC_PORT_OFFSET, input->ip.v4.dst_port); + ice_pkt_insert_u8(loc, ICE_IPV4_TOS_OFFSET, input->ip.v4.tos); + ice_pkt_insert_u8(loc, ICE_IPV4_TTL_OFFSET, input->ip.v4.ttl); ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac); ice_pkt_insert_mac_addr(loc + ETH_ALEN, input->ext_data.src_mac); @@ -616,6 +649,8 @@ ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, input->ip.v4.dst_ip); ice_pkt_insert_u16(loc, ICE_IPV4_SCTP_SRC_PORT_OFFSET, input->ip.v4.dst_port); + ice_pkt_insert_u8(loc, ICE_IPV4_TOS_OFFSET, input->ip.v4.tos); + ice_pkt_insert_u8(loc, ICE_IPV4_TTL_OFFSET, input->ip.v4.ttl); ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac); break; case ICE_FLTR_PTYPE_NONF_IPV4_OTHER: @@ -623,7 +658,10 @@ ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, input->ip.v4.src_ip); ice_pkt_insert_u32(loc, ICE_IPV4_SRC_ADDR_OFFSET, input->ip.v4.dst_ip); - ice_pkt_insert_u16(loc, ICE_IPV4_PROTO_OFFSET, 0); + ice_pkt_insert_u8(loc, ICE_IPV4_TOS_OFFSET, input->ip.v4.tos); + ice_pkt_insert_u8(loc, ICE_IPV4_TTL_OFFSET, input->ip.v4.ttl); + ice_pkt_insert_u8(loc, ICE_IPV4_PROTO_OFFSET, + input->ip.v4.proto); ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac); break; case ICE_FLTR_PTYPE_NONF_IPV6_TCP: @@ -635,6 +673,8 @@ ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, input->ip.v6.src_port); ice_pkt_insert_u16(loc, ICE_IPV6_TCP_SRC_PORT_OFFSET, input->ip.v6.dst_port); + ice_pkt_insert_u8_tc(loc, ICE_IPV6_TC_OFFSET, input->ip.v6.tc); + ice_pkt_insert_u8(loc, ICE_IPV6_HLIM_OFFSET, input->ip.v6.hlim); ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac); break; case ICE_FLTR_PTYPE_NONF_IPV6_UDP: @@ -646,6 +686,8 @@ ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, input->ip.v6.src_port); ice_pkt_insert_u16(loc, ICE_IPV6_UDP_SRC_PORT_OFFSET, input->ip.v6.dst_port); + ice_pkt_insert_u8_tc(loc, ICE_IPV6_TC_OFFSET, input->ip.v6.tc); + ice_pkt_insert_u8(loc, ICE_IPV6_HLIM_OFFSET, input->ip.v6.hlim); ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac); break; case ICE_FLTR_PTYPE_NONF_IPV6_SCTP: @@ -657,6 +699,8 @@ ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, input->ip.v6.src_port); ice_pkt_insert_u16(loc, ICE_IPV6_SCTP_SRC_PORT_OFFSET, input->ip.v6.dst_port); + ice_pkt_insert_u8_tc(loc, ICE_IPV6_TC_OFFSET, input->ip.v6.tc); + ice_pkt_insert_u8(loc, ICE_IPV6_HLIM_OFFSET, input->ip.v6.hlim); ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac); break; case ICE_FLTR_PTYPE_NONF_IPV6_OTHER: @@ -664,6 +708,10 @@ ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, input->ip.v6.src_ip); ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_SRC_ADDR_OFFSET, input->ip.v6.dst_ip); + ice_pkt_insert_u8_tc(loc, ICE_IPV6_TC_OFFSET, input->ip.v6.tc); + ice_pkt_insert_u8(loc, ICE_IPV6_HLIM_OFFSET, input->ip.v6.hlim); + ice_pkt_insert_u8(loc, ICE_IPV6_PROTO_OFFSET, + input->ip.v6.proto); ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac); break; default: diff --git a/drivers/net/ethernet/intel/ice/ice_fdir.h b/drivers/net/ethernet/intel/ice/ice_fdir.h index 31623545ebae..84b40298a513 100644 --- a/drivers/net/ethernet/intel/ice/ice_fdir.h +++ b/drivers/net/ethernet/intel/ice/ice_fdir.h @@ -25,6 +25,12 @@ #define ICE_IPV6_UDP_DST_PORT_OFFSET 56 #define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54 #define ICE_IPV6_SCTP_DST_PORT_OFFSET 56 +#define ICE_IPV4_TOS_OFFSET 15 +#define ICE_IPV4_TTL_OFFSET 22 +#define ICE_IPV6_TC_OFFSET 14 +#define ICE_IPV6_HLIM_OFFSET 21 +#define ICE_IPV6_PROTO_OFFSET 20 + /* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF * requests that the packet not be fragmented. MF indicates that a packet has * been fragmented. @@ -86,6 +92,7 @@ struct ice_fdir_v4 { u8 tos; u8 ip_ver; u8 proto; + u8 ttl; }; #define ICE_IPV6_ADDR_LEN_AS_U32 4 @@ -99,6 +106,7 @@ struct ice_fdir_v6 { __be32 sec_parm_idx; /* security parameter index */ u8 tc; u8 proto; + u8 hlim; }; struct ice_fdir_extra { diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c index 5e1fd30c0a0f..fa2ebd548b1c 100644 --- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c +++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c @@ -2361,18 +2361,82 @@ ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) } /** - * ice_find_prof_id - find profile ID for a given field vector + * ice_prof_has_mask_idx - determine if profile index masking is identical + * @hw: pointer to the hardware structure + * @blk: HW block + * @prof: profile to check + * @idx: profile index to check + * @mask: mask to match + */ +static bool +ice_prof_has_mask_idx(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 idx, + u16 mask) +{ + bool expect_no_mask = false; + bool found = false; + bool match = false; + u16 i; + + /* If mask is 0x0000 or 0xffff, then there is no masking */ + if (mask == 0 || mask == 0xffff) + expect_no_mask = true; + + /* Scan the enabled masks on this profile, for the specified idx */ + for (i = hw->blk[blk].masks.first; i < hw->blk[blk].masks.first + + hw->blk[blk].masks.count; i++) + if (hw->blk[blk].es.mask_ena[prof] & BIT(i)) + if (hw->blk[blk].masks.masks[i].in_use && + hw->blk[blk].masks.masks[i].idx == idx) { + found = true; + if (hw->blk[blk].masks.masks[i].mask == mask) + match = true; + break; + } + + if (expect_no_mask) { + if (found) + return false; + } else { + if (!match) + return false; + } + + return true; +} + +/** + * ice_prof_has_mask - determine if profile masking is identical + * @hw: pointer to the hardware structure + * @blk: HW block + * @prof: profile to check + * @masks: masks to match + */ +static bool +ice_prof_has_mask(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 *masks) +{ + u16 i; + + /* es->mask_ena[prof] will have the mask */ + for (i = 0; i < hw->blk[blk].es.fvw; i++) + if (!ice_prof_has_mask_idx(hw, blk, prof, i, masks[i])) + return false; + + return true; +} + +/** + * ice_find_prof_id_with_mask - find profile ID for a given field vector * @hw: pointer to the hardware structure * @blk: HW block * @fv: field vector to search for + * @masks: masks for FV * @prof_id: receives the profile ID */ static enum ice_status -ice_find_prof_id(struct ice_hw *hw, enum ice_block blk, - struct ice_fv_word *fv, u8 *prof_id) +ice_find_prof_id_with_mask(struct ice_hw *hw, enum ice_block blk, + struct ice_fv_word *fv, u16 *masks, u8 *prof_id) { struct ice_es *es = &hw->blk[blk].es; - u16 off; u8 i; /* For FD, we don't want to re-use a existed profile with the same @@ -2382,11 +2446,15 @@ ice_find_prof_id(struct ice_hw *hw, enum ice_block blk, return ICE_ERR_DOES_NOT_EXIST; for (i = 0; i < (u8)es->count; i++) { - off = i * es->fvw; + u16 off = i * es->fvw; if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv))) continue; + /* check if masks settings are the same for this profile */ + if (masks && !ice_prof_has_mask(hw, blk, i, masks)) + continue; + *prof_id = i; return 0; } @@ -2537,6 +2605,330 @@ ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) } /** + * ice_write_prof_mask_reg - write profile mask register + * @hw: pointer to the HW struct + * @blk: hardware block + * @mask_idx: mask index + * @idx: index of the FV which will use the mask + * @mask: the 16-bit mask + */ +static void +ice_write_prof_mask_reg(struct ice_hw *hw, enum ice_block blk, u16 mask_idx, + u16 idx, u16 mask) +{ + u32 offset; + u32 val; + + switch (blk) { + case ICE_BLK_RSS: + offset = GLQF_HMASK(mask_idx); + val = (idx << GLQF_HMASK_MSK_INDEX_S) & GLQF_HMASK_MSK_INDEX_M; + val |= (mask << GLQF_HMASK_MASK_S) & GLQF_HMASK_MASK_M; + break; + case ICE_BLK_FD: + offset = GLQF_FDMASK(mask_idx); + val = (idx << GLQF_FDMASK_MSK_INDEX_S) & GLQF_FDMASK_MSK_INDEX_M; + val |= (mask << GLQF_FDMASK_MASK_S) & GLQF_FDMASK_MASK_M; + break; + default: + ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n", + blk); + return; + } + + wr32(hw, offset, val); + ice_debug(hw, ICE_DBG_PKG, "write mask, blk %d (%d): %x = %x\n", + blk, idx, offset, val); +} + +/** + * ice_write_prof_mask_enable_res - write profile mask enable register + * @hw: pointer to the HW struct + * @blk: hardware block + * @prof_id: profile ID + * @enable_mask: enable mask + */ +static void +ice_write_prof_mask_enable_res(struct ice_hw *hw, enum ice_block blk, + u16 prof_id, u32 enable_mask) +{ + u32 offset; + + switch (blk) { + case ICE_BLK_RSS: + offset = GLQF_HMASK_SEL(prof_id); + break; + case ICE_BLK_FD: + offset = GLQF_FDMASK_SEL(prof_id); + break; + default: + ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n", + blk); + return; + } + + wr32(hw, offset, enable_mask); + ice_debug(hw, ICE_DBG_PKG, "write mask enable, blk %d (%d): %x = %x\n", + blk, prof_id, offset, enable_mask); +} + +/** + * ice_init_prof_masks - initial prof masks + * @hw: pointer to the HW struct + * @blk: hardware block + */ +static void ice_init_prof_masks(struct ice_hw *hw, enum ice_block blk) +{ + u16 per_pf; + u16 i; + + mutex_init(&hw->blk[blk].masks.lock); + + per_pf = ICE_PROF_MASK_COUNT / hw->dev_caps.num_funcs; + + hw->blk[blk].masks.count = per_pf; + hw->blk[blk].masks.first = hw->pf_id * per_pf; + + memset(hw->blk[blk].masks.masks, 0, sizeof(hw->blk[blk].masks.masks)); + + for (i = hw->blk[blk].masks.first; + i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) + ice_write_prof_mask_reg(hw, blk, i, 0, 0); +} + +/** + * ice_init_all_prof_masks - initialize all prof masks + * @hw: pointer to the HW struct + */ +static void ice_init_all_prof_masks(struct ice_hw *hw) +{ + ice_init_prof_masks(hw, ICE_BLK_RSS); + ice_init_prof_masks(hw, ICE_BLK_FD); +} + +/** + * ice_alloc_prof_mask - allocate profile mask + * @hw: pointer to the HW struct + * @blk: hardware block + * @idx: index of FV which will use the mask + * @mask: the 16-bit mask + * @mask_idx: variable to receive the mask index + */ +static enum ice_status +ice_alloc_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 idx, u16 mask, + u16 *mask_idx) +{ + bool found_unused = false, found_copy = false; + enum ice_status status = ICE_ERR_MAX_LIMIT; + u16 unused_idx = 0, copy_idx = 0; + u16 i; + + if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) + return ICE_ERR_PARAM; + + mutex_lock(&hw->blk[blk].masks.lock); + + for (i = hw->blk[blk].masks.first; + i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) + if (hw->blk[blk].masks.masks[i].in_use) { + /* if mask is in use and it exactly duplicates the + * desired mask and index, then in can be reused + */ + if (hw->blk[blk].masks.masks[i].mask == mask && + hw->blk[blk].masks.masks[i].idx == idx) { + found_copy = true; + copy_idx = i; + break; + } + } else { + /* save off unused index, but keep searching in case + * there is an exact match later on + */ + if (!found_unused) { + found_unused = true; + unused_idx = i; + } + } + + if (found_copy) + i = copy_idx; + else if (found_unused) + i = unused_idx; + else + goto err_ice_alloc_prof_mask; + + /* update mask for a new entry */ + if (found_unused) { + hw->blk[blk].masks.masks[i].in_use = true; + hw->blk[blk].masks.masks[i].mask = mask; + hw->blk[blk].masks.masks[i].idx = idx; + hw->blk[blk].masks.masks[i].ref = 0; + ice_write_prof_mask_reg(hw, blk, i, idx, mask); + } + + hw->blk[blk].masks.masks[i].ref++; + *mask_idx = i; + status = 0; + +err_ice_alloc_prof_mask: + mutex_unlock(&hw->blk[blk].masks.lock); + + return status; +} + +/** + * ice_free_prof_mask - free profile mask + * @hw: pointer to the HW struct + * @blk: hardware block + * @mask_idx: index of mask + */ +static enum ice_status +ice_free_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 mask_idx) +{ + if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) + return ICE_ERR_PARAM; + + if (!(mask_idx >= hw->blk[blk].masks.first && + mask_idx < hw->blk[blk].masks.first + hw->blk[blk].masks.count)) + return ICE_ERR_DOES_NOT_EXIST; + + mutex_lock(&hw->blk[blk].masks.lock); + + if (!hw->blk[blk].masks.masks[mask_idx].in_use) + goto exit_ice_free_prof_mask; + + if (hw->blk[blk].masks.masks[mask_idx].ref > 1) { + hw->blk[blk].masks.masks[mask_idx].ref--; + goto exit_ice_free_prof_mask; + } + + /* remove mask */ + hw->blk[blk].masks.masks[mask_idx].in_use = false; + hw->blk[blk].masks.masks[mask_idx].mask = 0; + hw->blk[blk].masks.masks[mask_idx].idx = 0; + + /* update mask as unused entry */ + ice_debug(hw, ICE_DBG_PKG, "Free mask, blk %d, mask %d\n", blk, + mask_idx); + ice_write_prof_mask_reg(hw, blk, mask_idx, 0, 0); + +exit_ice_free_prof_mask: + mutex_unlock(&hw->blk[blk].masks.lock); + + return 0; +} + +/** + * ice_free_prof_masks - free all profile masks for a profile + * @hw: pointer to the HW struct + * @blk: hardware block + * @prof_id: profile ID + */ +static enum ice_status +ice_free_prof_masks(struct ice_hw *hw, enum ice_block blk, u16 prof_id) +{ + u32 mask_bm; + u16 i; + + if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) + return ICE_ERR_PARAM; + + mask_bm = hw->blk[blk].es.mask_ena[prof_id]; + for (i = 0; i < BITS_PER_BYTE * sizeof(mask_bm); i++) + if (mask_bm & BIT(i)) + ice_free_prof_mask(hw, blk, i); + + return 0; +} + +/** + * ice_shutdown_prof_masks - releases lock for masking + * @hw: pointer to the HW struct + * @blk: hardware block + * + * This should be called before unloading the driver + */ +static void ice_shutdown_prof_masks(struct ice_hw *hw, enum ice_block blk) +{ + u16 i; + + mutex_lock(&hw->blk[blk].masks.lock); + + for (i = hw->blk[blk].masks.first; + i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) { + ice_write_prof_mask_reg(hw, blk, i, 0, 0); + + hw->blk[blk].masks.masks[i].in_use = false; + hw->blk[blk].masks.masks[i].idx = 0; + hw->blk[blk].masks.masks[i].mask = 0; + } + + mutex_unlock(&hw->blk[blk].masks.lock); + mutex_destroy(&hw->blk[blk].masks.lock); +} + +/** + * ice_shutdown_all_prof_masks - releases all locks for masking + * @hw: pointer to the HW struct + * + * This should be called before unloading the driver + */ +static void ice_shutdown_all_prof_masks(struct ice_hw *hw) +{ + ice_shutdown_prof_masks(hw, ICE_BLK_RSS); + ice_shutdown_prof_masks(hw, ICE_BLK_FD); +} + +/** + * ice_update_prof_masking - set registers according to masking + * @hw: pointer to the HW struct + * @blk: hardware block + * @prof_id: profile ID + * @masks: masks + */ +static enum ice_status +ice_update_prof_masking(struct ice_hw *hw, enum ice_block blk, u16 prof_id, + u16 *masks) +{ + bool err = false; + u32 ena_mask = 0; + u16 idx; + u16 i; + + /* Only support FD and RSS masking, otherwise nothing to be done */ + if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) + return 0; + + for (i = 0; i < hw->blk[blk].es.fvw; i++) + if (masks[i] && masks[i] != 0xFFFF) { + if (!ice_alloc_prof_mask(hw, blk, i, masks[i], &idx)) { + ena_mask |= BIT(idx); + } else { + /* not enough bitmaps */ + err = true; + break; + } + } + + if (err) { + /* free any bitmaps we have allocated */ + for (i = 0; i < BITS_PER_BYTE * sizeof(ena_mask); i++) + if (ena_mask & BIT(i)) + ice_free_prof_mask(hw, blk, i); + + return ICE_ERR_OUT_OF_RANGE; + } + + /* enable the masks for this profile */ + ice_write_prof_mask_enable_res(hw, blk, prof_id, ena_mask); + + /* store enabled masks with profile so that they can be freed later */ + hw->blk[blk].es.mask_ena[prof_id] = ena_mask; + + return 0; +} + +/** * ice_write_es - write an extraction sequence to hardware * @hw: pointer to the HW struct * @blk: the block in which to write the extraction sequence @@ -2575,6 +2967,7 @@ ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) if (hw->blk[blk].es.ref_count[prof_id] > 0) { if (!--hw->blk[blk].es.ref_count[prof_id]) { ice_write_es(hw, blk, prof_id, NULL); + ice_free_prof_masks(hw, blk, prof_id); return ice_free_prof_id(hw, blk, prof_id); } } @@ -2937,6 +3330,7 @@ void ice_free_hw_tbls(struct ice_hw *hw) devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.t); devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.ref_count); devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.written); + devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.mask_ena); } list_for_each_entry_safe(r, rt, &hw->rss_list_head, l_entry) { @@ -2944,6 +3338,7 @@ void ice_free_hw_tbls(struct ice_hw *hw) devm_kfree(ice_hw_to_dev(hw), r); } mutex_destroy(&hw->rss_locks); + ice_shutdown_all_prof_masks(hw); memset(hw->blk, 0, sizeof(hw->blk)); } @@ -2997,6 +3392,7 @@ void ice_clear_hw_tbls(struct ice_hw *hw) memset(es->t, 0, es->count * sizeof(*es->t) * es->fvw); memset(es->ref_count, 0, es->count * sizeof(*es->ref_count)); memset(es->written, 0, es->count * sizeof(*es->written)); + memset(es->mask_ena, 0, es->count * sizeof(*es->mask_ena)); } } @@ -3010,6 +3406,7 @@ enum ice_status ice_init_hw_tbls(struct ice_hw *hw) mutex_init(&hw->rss_locks); INIT_LIST_HEAD(&hw->rss_list_head); + ice_init_all_prof_masks(hw); for (i = 0; i < ICE_BLK_COUNT; i++) { struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir; struct ice_prof_tcam *prof = &hw->blk[i].prof; @@ -3112,6 +3509,11 @@ enum ice_status ice_init_hw_tbls(struct ice_hw *hw) sizeof(*es->written), GFP_KERNEL); if (!es->written) goto err; + + es->mask_ena = devm_kcalloc(ice_hw_to_dev(hw), es->count, + sizeof(*es->mask_ena), GFP_KERNEL); + if (!es->mask_ena) + goto err; } return 0; @@ -3718,15 +4120,16 @@ ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es) * @id: profile tracking ID * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits) * @es: extraction sequence (length of array is determined by the block) + * @masks: mask for extraction sequence * - * This function registers a profile, which matches a set of PTGs with a + * This function registers a profile, which matches a set of PTYPES with a * particular extraction sequence. While the hardware profile is allocated * it will not be written until the first call to ice_add_flow that specifies * the ID value used here. */ enum ice_status ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], - struct ice_fv_word *es) + struct ice_fv_word *es, u16 *masks) { u32 bytes = DIV_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE); DECLARE_BITMAP(ptgs_used, ICE_XLT1_CNT); @@ -3740,7 +4143,7 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], mutex_lock(&hw->blk[blk].es.prof_map_lock); /* search for existing profile */ - status = ice_find_prof_id(hw, blk, es, &prof_id); + status = ice_find_prof_id_with_mask(hw, blk, es, masks, &prof_id); if (status) { /* allocate profile ID */ status = ice_alloc_prof_id(hw, blk, &prof_id); @@ -3758,6 +4161,9 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], if (status) goto err_ice_add_prof; } + status = ice_update_prof_masking(hw, blk, prof_id, masks); + if (status) + goto err_ice_add_prof; /* and write new es */ ice_write_es(hw, blk, prof_id, es); diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.h b/drivers/net/ethernet/intel/ice/ice_flex_pipe.h index 20deddb807c5..08c5b4386536 100644 --- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.h +++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.h @@ -27,7 +27,7 @@ int ice_udp_tunnel_unset_port(struct net_device *netdev, unsigned int table, enum ice_status ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], - struct ice_fv_word *es); + struct ice_fv_word *es, u16 *masks); enum ice_status ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl); enum ice_status diff --git a/drivers/net/ethernet/intel/ice/ice_flex_type.h b/drivers/net/ethernet/intel/ice/ice_flex_type.h index 24063c1351b2..eeb53c3917dd 100644 --- a/drivers/net/ethernet/intel/ice/ice_flex_type.h +++ b/drivers/net/ethernet/intel/ice/ice_flex_type.h @@ -335,6 +335,7 @@ struct ice_es { u16 count; u16 fvw; u16 *ref_count; + u32 *mask_ena; struct list_head prof_map; struct ice_fv_word *t; struct mutex prof_map_lock; /* protect access to profiles list */ @@ -478,6 +479,21 @@ struct ice_prof_redir { u16 count; }; +struct ice_mask { + u16 mask; /* 16-bit mask */ + u16 idx; /* index */ + u16 ref; /* reference count */ + u8 in_use; /* non-zero if used */ +}; + +struct ice_masks { + struct mutex lock; /* lock to protect this structure */ + u16 first; /* first mask owned by the PF */ + u16 count; /* number of masks owned by the PF */ +#define ICE_PROF_MASK_COUNT 32 + struct ice_mask masks[ICE_PROF_MASK_COUNT]; +}; + /* Tables per block */ struct ice_blk_info { struct ice_xlt1 xlt1; @@ -485,6 +501,7 @@ struct ice_blk_info { struct ice_prof_tcam prof; struct ice_prof_redir prof_redir; struct ice_es es; + struct ice_masks masks; u8 overwrite; /* set to true to allow overwrite of table entries */ u8 is_list_init; }; diff --git a/drivers/net/ethernet/intel/ice/ice_flow.c b/drivers/net/ethernet/intel/ice/ice_flow.c index b2baa478edcc..39744773a403 100644 --- a/drivers/net/ethernet/intel/ice/ice_flow.c +++ b/drivers/net/ethernet/intel/ice/ice_flow.c @@ -9,12 +9,21 @@ struct ice_flow_field_info { enum ice_flow_seg_hdr hdr; s16 off; /* Offset from start of a protocol header, in bits */ u16 size; /* Size of fields in bits */ + u16 mask; /* 16-bit mask for field */ }; #define ICE_FLOW_FLD_INFO(_hdr, _offset_bytes, _size_bytes) { \ .hdr = _hdr, \ .off = (_offset_bytes) * BITS_PER_BYTE, \ .size = (_size_bytes) * BITS_PER_BYTE, \ + .mask = 0, \ +} + +#define ICE_FLOW_FLD_INFO_MSK(_hdr, _offset_bytes, _size_bytes, _mask) { \ + .hdr = _hdr, \ + .off = (_offset_bytes) * BITS_PER_BYTE, \ + .size = (_size_bytes) * BITS_PER_BYTE, \ + .mask = _mask, \ } /* Table containing properties of supported protocol header fields */ @@ -32,6 +41,18 @@ struct ice_flow_field_info ice_flds_info[ICE_FLOW_FIELD_IDX_MAX] = { /* ICE_FLOW_FIELD_IDX_ETH_TYPE */ ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ETH, 0, sizeof(__be16)), /* IPv4 / IPv6 */ + /* ICE_FLOW_FIELD_IDX_IPV4_DSCP */ + ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_IPV4, 0, 1, 0x00fc), + /* ICE_FLOW_FIELD_IDX_IPV6_DSCP */ + ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_IPV6, 0, 1, 0x0ff0), + /* ICE_FLOW_FIELD_IDX_IPV4_TTL */ + ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 8, 1, 0xff00), + /* ICE_FLOW_FIELD_IDX_IPV4_PROT */ + ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 8, 1, 0x00ff), + /* ICE_FLOW_FIELD_IDX_IPV6_TTL */ + ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 6, 1, 0x00ff), + /* ICE_FLOW_FIELD_IDX_IPV6_PROT */ + ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 6, 1, 0xff00), /* ICE_FLOW_FIELD_IDX_IPV4_SA */ ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV4, 12, sizeof(struct in_addr)), /* ICE_FLOW_FIELD_IDX_IPV4_DA */ @@ -308,6 +329,8 @@ struct ice_flow_prof_params { * This will give us the direction flags. */ struct ice_fv_word es[ICE_MAX_FV_WORDS]; + + u16 mask[ICE_MAX_FV_WORDS]; DECLARE_BITMAP(ptypes, ICE_FLOW_PTYPE_MAX); }; @@ -492,6 +515,7 @@ ice_flow_proc_seg_hdrs(struct ice_flow_prof_params *params) * @params: information about the flow to be processed * @seg: packet segment index of the field to be extracted * @fld: ID of field to be extracted + * @match: bit field of all fields * * This function determines the protocol ID, offset, and size of the given * field. It then allocates one or more extraction sequence entries for the @@ -499,12 +523,15 @@ ice_flow_proc_seg_hdrs(struct ice_flow_prof_params *params) */ static enum ice_status ice_flow_xtract_fld(struct ice_hw *hw, struct ice_flow_prof_params *params, - u8 seg, enum ice_flow_field fld) + u8 seg, enum ice_flow_field fld, u64 match) { + enum ice_flow_field sib = ICE_FLOW_FIELD_IDX_MAX; enum ice_prot_id prot_id = ICE_PROT_ID_INVAL; u8 fv_words = hw->blk[params->blk].es.fvw; struct ice_flow_fld_info *flds; u16 cnt, ese_bits, i; + u16 sib_mask = 0; + u16 mask; u16 off; flds = params->prof->segs[seg].fields; @@ -519,6 +546,50 @@ ice_flow_xtract_fld(struct ice_hw *hw, struct ice_flow_prof_params *params, case ICE_FLOW_FIELD_IDX_ETH_TYPE: prot_id = seg == 0 ? ICE_PROT_ETYPE_OL : ICE_PROT_ETYPE_IL; break; + case ICE_FLOW_FIELD_IDX_IPV4_DSCP: + prot_id = seg == 0 ? ICE_PROT_IPV4_OF_OR_S : ICE_PROT_IPV4_IL; + break; + case ICE_FLOW_FIELD_IDX_IPV6_DSCP: + prot_id = seg == 0 ? ICE_PROT_IPV6_OF_OR_S : ICE_PROT_IPV6_IL; + break; + case ICE_FLOW_FIELD_IDX_IPV4_TTL: + case ICE_FLOW_FIELD_IDX_IPV4_PROT: + prot_id = seg == 0 ? ICE_PROT_IPV4_OF_OR_S : ICE_PROT_IPV4_IL; + + /* TTL and PROT share the same extraction seq. entry. + * Each is considered a sibling to the other in terms of sharing + * the same extraction sequence entry. + */ + if (fld == ICE_FLOW_FIELD_IDX_IPV4_TTL) + sib = ICE_FLOW_FIELD_IDX_IPV4_PROT; + else if (fld == ICE_FLOW_FIELD_IDX_IPV4_PROT) + sib = ICE_FLOW_FIELD_IDX_IPV4_TTL; + + /* If the sibling field is also included, that field's + * mask needs to be included. + */ + if (match & BIT(sib)) + sib_mask = ice_flds_info[sib].mask; + break; + case ICE_FLOW_FIELD_IDX_IPV6_TTL: + case ICE_FLOW_FIELD_IDX_IPV6_PROT: + prot_id = seg == 0 ? ICE_PROT_IPV6_OF_OR_S : ICE_PROT_IPV6_IL; + + /* TTL and PROT share the same extraction seq. entry. + * Each is considered a sibling to the other in terms of sharing + * the same extraction sequence entry. + */ + if (fld == ICE_FLOW_FIELD_IDX_IPV6_TTL) + sib = ICE_FLOW_FIELD_IDX_IPV6_PROT; + else if (fld == ICE_FLOW_FIELD_IDX_IPV6_PROT) + sib = ICE_FLOW_FIELD_IDX_IPV6_TTL; + + /* If the sibling field is also included, that field's + * mask needs to be included. + */ + if (match & BIT(sib)) + sib_mask = ice_flds_info[sib].mask; + break; case ICE_FLOW_FIELD_IDX_IPV4_SA: case ICE_FLOW_FIELD_IDX_IPV4_DA: prot_id = seg == 0 ? ICE_PROT_IPV4_OF_OR_S : ICE_PROT_IPV4_IL; @@ -552,6 +623,9 @@ ice_flow_xtract_fld(struct ice_hw *hw, struct ice_flow_prof_params *params, /* ICMP type and code share the same extraction seq. entry */ prot_id = (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_IPV4) ? ICE_PROT_ICMP_IL : ICE_PROT_ICMPV6_IL; + sib = fld == ICE_FLOW_FIELD_IDX_ICMP_TYPE ? + ICE_FLOW_FIELD_IDX_ICMP_CODE : + ICE_FLOW_FIELD_IDX_ICMP_TYPE; break; case ICE_FLOW_FIELD_IDX_GRE_KEYID: prot_id = ICE_PROT_GRE_OF; @@ -570,6 +644,7 @@ ice_flow_xtract_fld(struct ice_hw *hw, struct ice_flow_prof_params *params, ICE_FLOW_FV_EXTRACT_SZ; flds[fld].xtrct.disp = (u8)(ice_flds_info[fld].off % ese_bits); flds[fld].xtrct.idx = params->es_cnt; + flds[fld].xtrct.mask = ice_flds_info[fld].mask; /* Adjust the next field-entry index after accommodating the number of * entries this field consumes @@ -579,24 +654,34 @@ ice_flow_xtract_fld(struct ice_hw *hw, struct ice_flow_prof_params *params, /* Fill in the extraction sequence entries needed for this field */ off = flds[fld].xtrct.off; + mask = flds[fld].xtrct.mask; for (i = 0; i < cnt; i++) { - u8 idx; - - /* Make sure the number of extraction sequence required - * does not exceed the block's capability + /* Only consume an extraction sequence entry if there is no + * sibling field associated with this field or the sibling entry + * already extracts the word shared with this field. */ - if (params->es_cnt >= fv_words) - return ICE_ERR_MAX_LIMIT; + if (sib == ICE_FLOW_FIELD_IDX_MAX || + flds[sib].xtrct.prot_id == ICE_PROT_ID_INVAL || + flds[sib].xtrct.off != off) { + u8 idx; - /* some blocks require a reversed field vector layout */ - if (hw->blk[params->blk].es.reverse) - idx = fv_words - params->es_cnt - 1; - else - idx = params->es_cnt; + /* Make sure the number of extraction sequence required + * does not exceed the block's capability + */ + if (params->es_cnt >= fv_words) + return ICE_ERR_MAX_LIMIT; - params->es[idx].prot_id = prot_id; - params->es[idx].off = off; - params->es_cnt++; + /* some blocks require a reversed field vector layout */ + if (hw->blk[params->blk].es.reverse) + idx = fv_words - params->es_cnt - 1; + else + idx = params->es_cnt; + + params->es[idx].prot_id = prot_id; + params->es[idx].off = off; + params->mask[idx] = mask | sib_mask; + params->es_cnt++; + } off += ICE_FLOW_FV_EXTRACT_SZ; } @@ -696,14 +781,15 @@ ice_flow_create_xtrct_seq(struct ice_hw *hw, u8 i; for (i = 0; i < prof->segs_cnt; i++) { - u8 j; + u64 match = params->prof->segs[i].match; + enum ice_flow_field j; - for_each_set_bit(j, (unsigned long *)&prof->segs[i].match, + for_each_set_bit(j, (unsigned long *)&match, ICE_FLOW_FIELD_IDX_MAX) { - status = ice_flow_xtract_fld(hw, params, i, - (enum ice_flow_field)j); + status = ice_flow_xtract_fld(hw, params, i, j, match); if (status) return status; + clear_bit(j, (unsigned long *)&match); } /* Process raw matching bytes */ @@ -914,7 +1000,7 @@ ice_flow_add_prof_sync(struct ice_hw *hw, enum ice_block blk, /* Add a HW profile for this flow profile */ status = ice_add_prof(hw, blk, prof_id, (u8 *)params->ptypes, - params->es); + params->es, params->mask); if (status) { ice_debug(hw, ICE_DBG_FLOW, "Error adding a HW flow profile\n"); goto out; diff --git a/drivers/net/ethernet/intel/ice/ice_flow.h b/drivers/net/ethernet/intel/ice/ice_flow.h index d92dcc791ef4..612ea3be21a9 100644 --- a/drivers/net/ethernet/intel/ice/ice_flow.h +++ b/drivers/net/ethernet/intel/ice/ice_flow.h @@ -58,6 +58,12 @@ enum ice_flow_field { ICE_FLOW_FIELD_IDX_C_VLAN, ICE_FLOW_FIELD_IDX_ETH_TYPE, /* L3 */ + ICE_FLOW_FIELD_IDX_IPV4_DSCP, + ICE_FLOW_FIELD_IDX_IPV6_DSCP, + ICE_FLOW_FIELD_IDX_IPV4_TTL, + ICE_FLOW_FIELD_IDX_IPV4_PROT, + ICE_FLOW_FIELD_IDX_IPV6_TTL, + ICE_FLOW_FIELD_IDX_IPV6_PROT, ICE_FLOW_FIELD_IDX_IPV4_SA, ICE_FLOW_FIELD_IDX_IPV4_DA, ICE_FLOW_FIELD_IDX_IPV6_SA, @@ -158,6 +164,7 @@ struct ice_flow_seg_xtrct { u16 off; /* Starting offset of the field in header in bytes */ u8 idx; /* Index of FV entry used */ u8 disp; /* Displacement of field in bits fr. FV entry's start */ + u16 mask; /* Mask for field */ }; enum ice_flow_fld_match_type { diff --git a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h index 093a1818a392..a778e373eff1 100644 --- a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h +++ b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h @@ -306,8 +306,23 @@ #define GLQF_FD_SIZE_FD_BSIZE_S 16 #define GLQF_FD_SIZE_FD_BSIZE_M ICE_M(0x7FFF, 16) #define GLQF_FDINSET(_i, _j) (0x00412000 + ((_i) * 4 + (_j) * 512)) +#define GLQF_FDMASK(_i) (0x00410800 + ((_i) * 4)) +#define GLQF_FDMASK_MAX_INDEX 31 +#define GLQF_FDMASK_MSK_INDEX_S 0 +#define GLQF_FDMASK_MSK_INDEX_M ICE_M(0x1F, 0) +#define GLQF_FDMASK_MASK_S 16 +#define GLQF_FDMASK_MASK_M ICE_M(0xFFFF, 16) #define GLQF_FDMASK_SEL(_i) (0x00410400 + ((_i) * 4)) #define GLQF_FDSWAP(_i, _j) (0x00413000 + ((_i) * 4 + (_j) * 512)) +#define GLQF_HMASK(_i) (0x0040FC00 + ((_i) * 4)) +#define GLQF_HMASK_MAX_INDEX 31 +#define GLQF_HMASK_MSK_INDEX_S 0 +#define GLQF_HMASK_MSK_INDEX_M ICE_M(0x1F, 0) +#define GLQF_HMASK_MASK_S 16 +#define GLQF_HMASK_MASK_M ICE_M(0xFFFF, 16) +#define GLQF_HMASK_SEL(_i) (0x00410000 + ((_i) * 4)) +#define GLQF_HMASK_SEL_MAX_INDEX 127 +#define GLQF_HMASK_SEL_MASK_SEL_S 0 #define PFQF_FD_ENA 0x0043A000 #define PFQF_FD_ENA_FD_ENA_M BIT(0) #define PFQF_FD_SIZE 0x00460100 |