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- // SPDX-License-Identifier: GPL-2.0
- /* Copyright (c) 2019, Intel Corporation. */
- #include "ice_common.h"
- #include "ice_flex_pipe.h"
- #include "ice_flow.h"
- #include "ice.h"
- static const u32 ice_sect_lkup[ICE_BLK_COUNT][ICE_SECT_COUNT] = {
- /* SWITCH */
- {
- ICE_SID_XLT0_SW,
- ICE_SID_XLT_KEY_BUILDER_SW,
- ICE_SID_XLT1_SW,
- ICE_SID_XLT2_SW,
- ICE_SID_PROFID_TCAM_SW,
- ICE_SID_PROFID_REDIR_SW,
- ICE_SID_FLD_VEC_SW,
- ICE_SID_CDID_KEY_BUILDER_SW,
- ICE_SID_CDID_REDIR_SW
- },
- /* ACL */
- {
- ICE_SID_XLT0_ACL,
- ICE_SID_XLT_KEY_BUILDER_ACL,
- ICE_SID_XLT1_ACL,
- ICE_SID_XLT2_ACL,
- ICE_SID_PROFID_TCAM_ACL,
- ICE_SID_PROFID_REDIR_ACL,
- ICE_SID_FLD_VEC_ACL,
- ICE_SID_CDID_KEY_BUILDER_ACL,
- ICE_SID_CDID_REDIR_ACL
- },
- /* FD */
- {
- ICE_SID_XLT0_FD,
- ICE_SID_XLT_KEY_BUILDER_FD,
- ICE_SID_XLT1_FD,
- ICE_SID_XLT2_FD,
- ICE_SID_PROFID_TCAM_FD,
- ICE_SID_PROFID_REDIR_FD,
- ICE_SID_FLD_VEC_FD,
- ICE_SID_CDID_KEY_BUILDER_FD,
- ICE_SID_CDID_REDIR_FD
- },
- /* RSS */
- {
- ICE_SID_XLT0_RSS,
- ICE_SID_XLT_KEY_BUILDER_RSS,
- ICE_SID_XLT1_RSS,
- ICE_SID_XLT2_RSS,
- ICE_SID_PROFID_TCAM_RSS,
- ICE_SID_PROFID_REDIR_RSS,
- ICE_SID_FLD_VEC_RSS,
- ICE_SID_CDID_KEY_BUILDER_RSS,
- ICE_SID_CDID_REDIR_RSS
- },
- /* PE */
- {
- ICE_SID_XLT0_PE,
- ICE_SID_XLT_KEY_BUILDER_PE,
- ICE_SID_XLT1_PE,
- ICE_SID_XLT2_PE,
- ICE_SID_PROFID_TCAM_PE,
- ICE_SID_PROFID_REDIR_PE,
- ICE_SID_FLD_VEC_PE,
- ICE_SID_CDID_KEY_BUILDER_PE,
- ICE_SID_CDID_REDIR_PE
- }
- };
- /**
- * ice_sect_id - returns section ID
- * @blk: block type
- * @sect: section type
- *
- * This helper function returns the proper section ID given a block type and a
- * section type.
- */
- static u32 ice_sect_id(enum ice_block blk, enum ice_sect sect)
- {
- return ice_sect_lkup[blk][sect];
- }
- /**
- * ice_hw_ptype_ena - check if the PTYPE is enabled or not
- * @hw: pointer to the HW structure
- * @ptype: the hardware PTYPE
- */
- bool ice_hw_ptype_ena(struct ice_hw *hw, u16 ptype)
- {
- return ptype < ICE_FLOW_PTYPE_MAX &&
- test_bit(ptype, hw->hw_ptype);
- }
- /* Key creation */
- #define ICE_DC_KEY 0x1 /* don't care */
- #define ICE_DC_KEYINV 0x1
- #define ICE_NM_KEY 0x0 /* never match */
- #define ICE_NM_KEYINV 0x0
- #define ICE_0_KEY 0x1 /* match 0 */
- #define ICE_0_KEYINV 0x0
- #define ICE_1_KEY 0x0 /* match 1 */
- #define ICE_1_KEYINV 0x1
- /**
- * ice_gen_key_word - generate 16-bits of a key/mask word
- * @val: the value
- * @valid: valid bits mask (change only the valid bits)
- * @dont_care: don't care mask
- * @nvr_mtch: never match mask
- * @key: pointer to an array of where the resulting key portion
- * @key_inv: pointer to an array of where the resulting key invert portion
- *
- * This function generates 16-bits from a 8-bit value, an 8-bit don't care mask
- * and an 8-bit never match mask. The 16-bits of output are divided into 8 bits
- * of key and 8 bits of key invert.
- *
- * '0' = b01, always match a 0 bit
- * '1' = b10, always match a 1 bit
- * '?' = b11, don't care bit (always matches)
- * '~' = b00, never match bit
- *
- * Input:
- * val: b0 1 0 1 0 1
- * dont_care: b0 0 1 1 0 0
- * never_mtch: b0 0 0 0 1 1
- * ------------------------------
- * Result: key: b01 10 11 11 00 00
- */
- static int
- ice_gen_key_word(u8 val, u8 valid, u8 dont_care, u8 nvr_mtch, u8 *key,
- u8 *key_inv)
- {
- u8 in_key = *key, in_key_inv = *key_inv;
- u8 i;
- /* 'dont_care' and 'nvr_mtch' masks cannot overlap */
- if ((dont_care ^ nvr_mtch) != (dont_care | nvr_mtch))
- return -EIO;
- *key = 0;
- *key_inv = 0;
- /* encode the 8 bits into 8-bit key and 8-bit key invert */
- for (i = 0; i < 8; i++) {
- *key >>= 1;
- *key_inv >>= 1;
- if (!(valid & 0x1)) { /* change only valid bits */
- *key |= (in_key & 0x1) << 7;
- *key_inv |= (in_key_inv & 0x1) << 7;
- } else if (dont_care & 0x1) { /* don't care bit */
- *key |= ICE_DC_KEY << 7;
- *key_inv |= ICE_DC_KEYINV << 7;
- } else if (nvr_mtch & 0x1) { /* never match bit */
- *key |= ICE_NM_KEY << 7;
- *key_inv |= ICE_NM_KEYINV << 7;
- } else if (val & 0x01) { /* exact 1 match */
- *key |= ICE_1_KEY << 7;
- *key_inv |= ICE_1_KEYINV << 7;
- } else { /* exact 0 match */
- *key |= ICE_0_KEY << 7;
- *key_inv |= ICE_0_KEYINV << 7;
- }
- dont_care >>= 1;
- nvr_mtch >>= 1;
- valid >>= 1;
- val >>= 1;
- in_key >>= 1;
- in_key_inv >>= 1;
- }
- return 0;
- }
- /**
- * ice_bits_max_set - determine if the number of bits set is within a maximum
- * @mask: pointer to the byte array which is the mask
- * @size: the number of bytes in the mask
- * @max: the max number of set bits
- *
- * This function determines if there are at most 'max' number of bits set in an
- * array. Returns true if the number for bits set is <= max or will return false
- * otherwise.
- */
- static bool ice_bits_max_set(const u8 *mask, u16 size, u16 max)
- {
- u16 count = 0;
- u16 i;
- /* check each byte */
- for (i = 0; i < size; i++) {
- /* if 0, go to next byte */
- if (!mask[i])
- continue;
- /* We know there is at least one set bit in this byte because of
- * the above check; if we already have found 'max' number of
- * bits set, then we can return failure now.
- */
- if (count == max)
- return false;
- /* count the bits in this byte, checking threshold */
- count += hweight8(mask[i]);
- if (count > max)
- return false;
- }
- return true;
- }
- /**
- * ice_set_key - generate a variable sized key with multiples of 16-bits
- * @key: pointer to where the key will be stored
- * @size: the size of the complete key in bytes (must be even)
- * @val: array of 8-bit values that makes up the value portion of the key
- * @upd: array of 8-bit masks that determine what key portion to update
- * @dc: array of 8-bit masks that make up the don't care mask
- * @nm: array of 8-bit masks that make up the never match mask
- * @off: the offset of the first byte in the key to update
- * @len: the number of bytes in the key update
- *
- * This function generates a key from a value, a don't care mask and a never
- * match mask.
- * upd, dc, and nm are optional parameters, and can be NULL:
- * upd == NULL --> upd mask is all 1's (update all bits)
- * dc == NULL --> dc mask is all 0's (no don't care bits)
- * nm == NULL --> nm mask is all 0's (no never match bits)
- */
- static int
- ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off,
- u16 len)
- {
- u16 half_size;
- u16 i;
- /* size must be a multiple of 2 bytes. */
- if (size % 2)
- return -EIO;
- half_size = size / 2;
- if (off + len > half_size)
- return -EIO;
- /* Make sure at most one bit is set in the never match mask. Having more
- * than one never match mask bit set will cause HW to consume excessive
- * power otherwise; this is a power management efficiency check.
- */
- #define ICE_NVR_MTCH_BITS_MAX 1
- if (nm && !ice_bits_max_set(nm, len, ICE_NVR_MTCH_BITS_MAX))
- return -EIO;
- for (i = 0; i < len; i++)
- if (ice_gen_key_word(val[i], upd ? upd[i] : 0xff,
- dc ? dc[i] : 0, nm ? nm[i] : 0,
- key + off + i, key + half_size + off + i))
- return -EIO;
- return 0;
- }
- /**
- * ice_acquire_change_lock
- * @hw: pointer to the HW structure
- * @access: access type (read or write)
- *
- * This function will request ownership of the change lock.
- */
- int
- ice_acquire_change_lock(struct ice_hw *hw, enum ice_aq_res_access_type access)
- {
- return ice_acquire_res(hw, ICE_CHANGE_LOCK_RES_ID, access,
- ICE_CHANGE_LOCK_TIMEOUT);
- }
- /**
- * ice_release_change_lock
- * @hw: pointer to the HW structure
- *
- * This function will release the change lock using the proper Admin Command.
- */
- void ice_release_change_lock(struct ice_hw *hw)
- {
- ice_release_res(hw, ICE_CHANGE_LOCK_RES_ID);
- }
- /**
- * ice_get_open_tunnel_port - retrieve an open tunnel port
- * @hw: pointer to the HW structure
- * @port: returns open port
- * @type: type of tunnel, can be TNL_LAST if it doesn't matter
- */
- bool
- ice_get_open_tunnel_port(struct ice_hw *hw, u16 *port,
- enum ice_tunnel_type type)
- {
- bool res = false;
- u16 i;
- mutex_lock(&hw->tnl_lock);
- for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
- if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].port &&
- (type == TNL_LAST || type == hw->tnl.tbl[i].type)) {
- *port = hw->tnl.tbl[i].port;
- res = true;
- break;
- }
- mutex_unlock(&hw->tnl_lock);
- return res;
- }
- /**
- * ice_upd_dvm_boost_entry
- * @hw: pointer to the HW structure
- * @entry: pointer to double vlan boost entry info
- */
- static int
- ice_upd_dvm_boost_entry(struct ice_hw *hw, struct ice_dvm_entry *entry)
- {
- struct ice_boost_tcam_section *sect_rx, *sect_tx;
- int status = -ENOSPC;
- struct ice_buf_build *bld;
- u8 val, dc, nm;
- bld = ice_pkg_buf_alloc(hw);
- if (!bld)
- return -ENOMEM;
- /* allocate 2 sections, one for Rx parser, one for Tx parser */
- if (ice_pkg_buf_reserve_section(bld, 2))
- goto ice_upd_dvm_boost_entry_err;
- sect_rx = ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
- struct_size(sect_rx, tcam, 1));
- if (!sect_rx)
- goto ice_upd_dvm_boost_entry_err;
- sect_rx->count = cpu_to_le16(1);
- sect_tx = ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
- struct_size(sect_tx, tcam, 1));
- if (!sect_tx)
- goto ice_upd_dvm_boost_entry_err;
- sect_tx->count = cpu_to_le16(1);
- /* copy original boost entry to update package buffer */
- memcpy(sect_rx->tcam, entry->boost_entry, sizeof(*sect_rx->tcam));
- /* re-write the don't care and never match bits accordingly */
- if (entry->enable) {
- /* all bits are don't care */
- val = 0x00;
- dc = 0xFF;
- nm = 0x00;
- } else {
- /* disable, one never match bit, the rest are don't care */
- val = 0x00;
- dc = 0xF7;
- nm = 0x08;
- }
- ice_set_key((u8 *)§_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key),
- &val, NULL, &dc, &nm, 0, sizeof(u8));
- /* exact copy of entry to Tx section entry */
- memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam));
- status = ice_update_pkg_no_lock(hw, ice_pkg_buf(bld), 1);
- ice_upd_dvm_boost_entry_err:
- ice_pkg_buf_free(hw, bld);
- return status;
- }
- /**
- * ice_set_dvm_boost_entries
- * @hw: pointer to the HW structure
- *
- * Enable double vlan by updating the appropriate boost tcam entries.
- */
- int ice_set_dvm_boost_entries(struct ice_hw *hw)
- {
- u16 i;
- for (i = 0; i < hw->dvm_upd.count; i++) {
- int status;
- status = ice_upd_dvm_boost_entry(hw, &hw->dvm_upd.tbl[i]);
- if (status)
- return status;
- }
- return 0;
- }
- /**
- * ice_tunnel_idx_to_entry - convert linear index to the sparse one
- * @hw: pointer to the HW structure
- * @type: type of tunnel
- * @idx: linear index
- *
- * Stack assumes we have 2 linear tables with indexes [0, count_valid),
- * but really the port table may be sprase, and types are mixed, so convert
- * the stack index into the device index.
- */
- static u16 ice_tunnel_idx_to_entry(struct ice_hw *hw, enum ice_tunnel_type type,
- u16 idx)
- {
- u16 i;
- for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
- if (hw->tnl.tbl[i].valid &&
- hw->tnl.tbl[i].type == type &&
- idx-- == 0)
- return i;
- WARN_ON_ONCE(1);
- return 0;
- }
- /**
- * ice_create_tunnel
- * @hw: pointer to the HW structure
- * @index: device table entry
- * @type: type of tunnel
- * @port: port of tunnel to create
- *
- * Create a tunnel by updating the parse graph in the parser. We do that by
- * creating a package buffer with the tunnel info and issuing an update package
- * command.
- */
- static int
- ice_create_tunnel(struct ice_hw *hw, u16 index,
- enum ice_tunnel_type type, u16 port)
- {
- struct ice_boost_tcam_section *sect_rx, *sect_tx;
- struct ice_buf_build *bld;
- int status = -ENOSPC;
- mutex_lock(&hw->tnl_lock);
- bld = ice_pkg_buf_alloc(hw);
- if (!bld) {
- status = -ENOMEM;
- goto ice_create_tunnel_end;
- }
- /* allocate 2 sections, one for Rx parser, one for Tx parser */
- if (ice_pkg_buf_reserve_section(bld, 2))
- goto ice_create_tunnel_err;
- sect_rx = ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
- struct_size(sect_rx, tcam, 1));
- if (!sect_rx)
- goto ice_create_tunnel_err;
- sect_rx->count = cpu_to_le16(1);
- sect_tx = ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
- struct_size(sect_tx, tcam, 1));
- if (!sect_tx)
- goto ice_create_tunnel_err;
- sect_tx->count = cpu_to_le16(1);
- /* copy original boost entry to update package buffer */
- memcpy(sect_rx->tcam, hw->tnl.tbl[index].boost_entry,
- sizeof(*sect_rx->tcam));
- /* over-write the never-match dest port key bits with the encoded port
- * bits
- */
- ice_set_key((u8 *)§_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key),
- (u8 *)&port, NULL, NULL, NULL,
- (u16)offsetof(struct ice_boost_key_value, hv_dst_port_key),
- sizeof(sect_rx->tcam[0].key.key.hv_dst_port_key));
- /* exact copy of entry to Tx section entry */
- memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam));
- status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
- if (!status)
- hw->tnl.tbl[index].port = port;
- ice_create_tunnel_err:
- ice_pkg_buf_free(hw, bld);
- ice_create_tunnel_end:
- mutex_unlock(&hw->tnl_lock);
- return status;
- }
- /**
- * ice_destroy_tunnel
- * @hw: pointer to the HW structure
- * @index: device table entry
- * @type: type of tunnel
- * @port: port of tunnel to destroy (ignored if the all parameter is true)
- *
- * Destroys a tunnel or all tunnels by creating an update package buffer
- * targeting the specific updates requested and then performing an update
- * package.
- */
- static int
- ice_destroy_tunnel(struct ice_hw *hw, u16 index, enum ice_tunnel_type type,
- u16 port)
- {
- struct ice_boost_tcam_section *sect_rx, *sect_tx;
- struct ice_buf_build *bld;
- int status = -ENOSPC;
- mutex_lock(&hw->tnl_lock);
- if (WARN_ON(!hw->tnl.tbl[index].valid ||
- hw->tnl.tbl[index].type != type ||
- hw->tnl.tbl[index].port != port)) {
- status = -EIO;
- goto ice_destroy_tunnel_end;
- }
- bld = ice_pkg_buf_alloc(hw);
- if (!bld) {
- status = -ENOMEM;
- goto ice_destroy_tunnel_end;
- }
- /* allocate 2 sections, one for Rx parser, one for Tx parser */
- if (ice_pkg_buf_reserve_section(bld, 2))
- goto ice_destroy_tunnel_err;
- sect_rx = ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
- struct_size(sect_rx, tcam, 1));
- if (!sect_rx)
- goto ice_destroy_tunnel_err;
- sect_rx->count = cpu_to_le16(1);
- sect_tx = ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
- struct_size(sect_tx, tcam, 1));
- if (!sect_tx)
- goto ice_destroy_tunnel_err;
- sect_tx->count = cpu_to_le16(1);
- /* copy original boost entry to update package buffer, one copy to Rx
- * section, another copy to the Tx section
- */
- memcpy(sect_rx->tcam, hw->tnl.tbl[index].boost_entry,
- sizeof(*sect_rx->tcam));
- memcpy(sect_tx->tcam, hw->tnl.tbl[index].boost_entry,
- sizeof(*sect_tx->tcam));
- status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
- if (!status)
- hw->tnl.tbl[index].port = 0;
- ice_destroy_tunnel_err:
- ice_pkg_buf_free(hw, bld);
- ice_destroy_tunnel_end:
- mutex_unlock(&hw->tnl_lock);
- return status;
- }
- int ice_udp_tunnel_set_port(struct net_device *netdev, unsigned int table,
- unsigned int idx, struct udp_tunnel_info *ti)
- {
- struct ice_netdev_priv *np = netdev_priv(netdev);
- struct ice_vsi *vsi = np->vsi;
- struct ice_pf *pf = vsi->back;
- enum ice_tunnel_type tnl_type;
- int status;
- u16 index;
- tnl_type = ti->type == UDP_TUNNEL_TYPE_VXLAN ? TNL_VXLAN : TNL_GENEVE;
- index = ice_tunnel_idx_to_entry(&pf->hw, tnl_type, idx);
- status = ice_create_tunnel(&pf->hw, index, tnl_type, ntohs(ti->port));
- if (status) {
- netdev_err(netdev, "Error adding UDP tunnel - %d\n",
- status);
- return -EIO;
- }
- udp_tunnel_nic_set_port_priv(netdev, table, idx, index);
- return 0;
- }
- int ice_udp_tunnel_unset_port(struct net_device *netdev, unsigned int table,
- unsigned int idx, struct udp_tunnel_info *ti)
- {
- struct ice_netdev_priv *np = netdev_priv(netdev);
- struct ice_vsi *vsi = np->vsi;
- struct ice_pf *pf = vsi->back;
- enum ice_tunnel_type tnl_type;
- int status;
- tnl_type = ti->type == UDP_TUNNEL_TYPE_VXLAN ? TNL_VXLAN : TNL_GENEVE;
- status = ice_destroy_tunnel(&pf->hw, ti->hw_priv, tnl_type,
- ntohs(ti->port));
- if (status) {
- netdev_err(netdev, "Error removing UDP tunnel - %d\n",
- status);
- return -EIO;
- }
- return 0;
- }
- /**
- * ice_find_prot_off - find prot ID and offset pair, based on prof and FV index
- * @hw: pointer to the hardware structure
- * @blk: hardware block
- * @prof: profile ID
- * @fv_idx: field vector word index
- * @prot: variable to receive the protocol ID
- * @off: variable to receive the protocol offset
- */
- int
- ice_find_prot_off(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 fv_idx,
- u8 *prot, u16 *off)
- {
- struct ice_fv_word *fv_ext;
- if (prof >= hw->blk[blk].es.count)
- return -EINVAL;
- if (fv_idx >= hw->blk[blk].es.fvw)
- return -EINVAL;
- fv_ext = hw->blk[blk].es.t + (prof * hw->blk[blk].es.fvw);
- *prot = fv_ext[fv_idx].prot_id;
- *off = fv_ext[fv_idx].off;
- return 0;
- }
- /* PTG Management */
- /**
- * ice_ptg_find_ptype - Search for packet type group using packet type (ptype)
- * @hw: pointer to the hardware structure
- * @blk: HW block
- * @ptype: the ptype to search for
- * @ptg: pointer to variable that receives the PTG
- *
- * This function will search the PTGs for a particular ptype, returning the
- * PTG ID that contains it through the PTG parameter, with the value of
- * ICE_DEFAULT_PTG (0) meaning it is part the default PTG.
- */
- static int
- ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg)
- {
- if (ptype >= ICE_XLT1_CNT || !ptg)
- return -EINVAL;
- *ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg;
- return 0;
- }
- /**
- * ice_ptg_alloc_val - Allocates a new packet type group ID by value
- * @hw: pointer to the hardware structure
- * @blk: HW block
- * @ptg: the PTG to allocate
- *
- * This function allocates a given packet type group ID specified by the PTG
- * parameter.
- */
- static void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg)
- {
- hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true;
- }
- /**
- * ice_ptg_remove_ptype - Removes ptype from a particular packet type group
- * @hw: pointer to the hardware structure
- * @blk: HW block
- * @ptype: the ptype to remove
- * @ptg: the PTG to remove the ptype from
- *
- * This function will remove the ptype from the specific PTG, and move it to
- * the default PTG (ICE_DEFAULT_PTG).
- */
- static int
- ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
- {
- struct ice_ptg_ptype **ch;
- struct ice_ptg_ptype *p;
- if (ptype > ICE_XLT1_CNT - 1)
- return -EINVAL;
- if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use)
- return -ENOENT;
- /* Should not happen if .in_use is set, bad config */
- if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype)
- return -EIO;
- /* find the ptype within this PTG, and bypass the link over it */
- p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
- ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
- while (p) {
- if (ptype == (p - hw->blk[blk].xlt1.ptypes)) {
- *ch = p->next_ptype;
- break;
- }
- ch = &p->next_ptype;
- p = p->next_ptype;
- }
- hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG;
- hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL;
- return 0;
- }
- /**
- * ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group
- * @hw: pointer to the hardware structure
- * @blk: HW block
- * @ptype: the ptype to add or move
- * @ptg: the PTG to add or move the ptype to
- *
- * This function will either add or move a ptype to a particular PTG depending
- * on if the ptype is already part of another group. Note that using a
- * destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the
- * default PTG.
- */
- static int
- ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
- {
- u8 original_ptg;
- int status;
- if (ptype > ICE_XLT1_CNT - 1)
- return -EINVAL;
- if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG)
- return -ENOENT;
- status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg);
- if (status)
- return status;
- /* Is ptype already in the correct PTG? */
- if (original_ptg == ptg)
- return 0;
- /* Remove from original PTG and move back to the default PTG */
- if (original_ptg != ICE_DEFAULT_PTG)
- ice_ptg_remove_ptype(hw, blk, ptype, original_ptg);
- /* Moving to default PTG? Then we're done with this request */
- if (ptg == ICE_DEFAULT_PTG)
- return 0;
- /* Add ptype to PTG at beginning of list */
- hw->blk[blk].xlt1.ptypes[ptype].next_ptype =
- hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype;
- hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype =
- &hw->blk[blk].xlt1.ptypes[ptype];
- hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg;
- hw->blk[blk].xlt1.t[ptype] = ptg;
- return 0;
- }
- /* Block / table size info */
- struct ice_blk_size_details {
- u16 xlt1; /* # XLT1 entries */
- u16 xlt2; /* # XLT2 entries */
- u16 prof_tcam; /* # profile ID TCAM entries */
- u16 prof_id; /* # profile IDs */
- u8 prof_cdid_bits; /* # CDID one-hot bits used in key */
- u16 prof_redir; /* # profile redirection entries */
- u16 es; /* # extraction sequence entries */
- u16 fvw; /* # field vector words */
- u8 overwrite; /* overwrite existing entries allowed */
- u8 reverse; /* reverse FV order */
- };
- static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = {
- /**
- * Table Definitions
- * XLT1 - Number of entries in XLT1 table
- * XLT2 - Number of entries in XLT2 table
- * TCAM - Number of entries Profile ID TCAM table
- * CDID - Control Domain ID of the hardware block
- * PRED - Number of entries in the Profile Redirection Table
- * FV - Number of entries in the Field Vector
- * FVW - Width (in WORDs) of the Field Vector
- * OVR - Overwrite existing table entries
- * REV - Reverse FV
- */
- /* XLT1 , XLT2 ,TCAM, PID,CDID,PRED, FV, FVW */
- /* Overwrite , Reverse FV */
- /* SW */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256, 0, 256, 256, 48,
- false, false },
- /* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 32,
- false, false },
- /* FD */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24,
- false, true },
- /* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24,
- true, true },
- /* PE */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 64, 32, 0, 32, 32, 24,
- false, false },
- };
- enum ice_sid_all {
- ICE_SID_XLT1_OFF = 0,
- ICE_SID_XLT2_OFF,
- ICE_SID_PR_OFF,
- ICE_SID_PR_REDIR_OFF,
- ICE_SID_ES_OFF,
- ICE_SID_OFF_COUNT,
- };
- /* Characteristic handling */
- /**
- * ice_match_prop_lst - determine if properties of two lists match
- * @list1: first properties list
- * @list2: second properties list
- *
- * Count, cookies and the order must match in order to be considered equivalent.
- */
- static bool
- ice_match_prop_lst(struct list_head *list1, struct list_head *list2)
- {
- struct ice_vsig_prof *tmp1;
- struct ice_vsig_prof *tmp2;
- u16 chk_count = 0;
- u16 count = 0;
- /* compare counts */
- list_for_each_entry(tmp1, list1, list)
- count++;
- list_for_each_entry(tmp2, list2, list)
- chk_count++;
- if (!count || count != chk_count)
- return false;
- tmp1 = list_first_entry(list1, struct ice_vsig_prof, list);
- tmp2 = list_first_entry(list2, struct ice_vsig_prof, list);
- /* profile cookies must compare, and in the exact same order to take
- * into account priority
- */
- while (count--) {
- if (tmp2->profile_cookie != tmp1->profile_cookie)
- return false;
- tmp1 = list_next_entry(tmp1, list);
- tmp2 = list_next_entry(tmp2, list);
- }
- return true;
- }
- /* VSIG Management */
- /**
- * ice_vsig_find_vsi - find a VSIG that contains a specified VSI
- * @hw: pointer to the hardware structure
- * @blk: HW block
- * @vsi: VSI of interest
- * @vsig: pointer to receive the VSI group
- *
- * This function will lookup the VSI entry in the XLT2 list and return
- * the VSI group its associated with.
- */
- static int
- ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig)
- {
- if (!vsig || vsi >= ICE_MAX_VSI)
- return -EINVAL;
- /* As long as there's a default or valid VSIG associated with the input
- * VSI, the functions returns a success. Any handling of VSIG will be
- * done by the following add, update or remove functions.
- */
- *vsig = hw->blk[blk].xlt2.vsis[vsi].vsig;
- return 0;
- }
- /**
- * ice_vsig_alloc_val - allocate a new VSIG by value
- * @hw: pointer to the hardware structure
- * @blk: HW block
- * @vsig: the VSIG to allocate
- *
- * This function will allocate a given VSIG specified by the VSIG parameter.
- */
- static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig)
- {
- u16 idx = vsig & ICE_VSIG_IDX_M;
- if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) {
- INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
- hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true;
- }
- return ICE_VSIG_VALUE(idx, hw->pf_id);
- }
- /**
- * ice_vsig_alloc - Finds a free entry and allocates a new VSIG
- * @hw: pointer to the hardware structure
- * @blk: HW block
- *
- * This function will iterate through the VSIG list and mark the first
- * unused entry for the new VSIG entry as used and return that value.
- */
- static u16 ice_vsig_alloc(struct ice_hw *hw, enum ice_block blk)
- {
- u16 i;
- for (i = 1; i < ICE_MAX_VSIGS; i++)
- if (!hw->blk[blk].xlt2.vsig_tbl[i].in_use)
- return ice_vsig_alloc_val(hw, blk, i);
- return ICE_DEFAULT_VSIG;
- }
- /**
- * ice_find_dup_props_vsig - find VSI group with a specified set of properties
- * @hw: pointer to the hardware structure
- * @blk: HW block
- * @chs: characteristic list
- * @vsig: returns the VSIG with the matching profiles, if found
- *
- * Each VSIG is associated with a characteristic set; i.e. all VSIs under
- * a group have the same characteristic set. To check if there exists a VSIG
- * which has the same characteristics as the input characteristics; this
- * function will iterate through the XLT2 list and return the VSIG that has a
- * matching configuration. In order to make sure that priorities are accounted
- * for, the list must match exactly, including the order in which the
- * characteristics are listed.
- */
- static int
- ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk,
- struct list_head *chs, u16 *vsig)
- {
- struct ice_xlt2 *xlt2 = &hw->blk[blk].xlt2;
- u16 i;
- for (i = 0; i < xlt2->count; i++)
- if (xlt2->vsig_tbl[i].in_use &&
- ice_match_prop_lst(chs, &xlt2->vsig_tbl[i].prop_lst)) {
- *vsig = ICE_VSIG_VALUE(i, hw->pf_id);
- return 0;
- }
- return -ENOENT;
- }
- /**
- * ice_vsig_free - free VSI group
- * @hw: pointer to the hardware structure
- * @blk: HW block
- * @vsig: VSIG to remove
- *
- * The function will remove all VSIs associated with the input VSIG and move
- * them to the DEFAULT_VSIG and mark the VSIG available.
- */
- static int ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig)
- {
- struct ice_vsig_prof *dtmp, *del;
- struct ice_vsig_vsi *vsi_cur;
- u16 idx;
- idx = vsig & ICE_VSIG_IDX_M;
- if (idx >= ICE_MAX_VSIGS)
- return -EINVAL;
- if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
- return -ENOENT;
- hw->blk[blk].xlt2.vsig_tbl[idx].in_use = false;
- vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
- /* If the VSIG has at least 1 VSI then iterate through the
- * list and remove the VSIs before deleting the group.
- */
- if (vsi_cur) {
- /* remove all vsis associated with this VSIG XLT2 entry */
- do {
- struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
- vsi_cur->vsig = ICE_DEFAULT_VSIG;
- vsi_cur->changed = 1;
- vsi_cur->next_vsi = NULL;
- vsi_cur = tmp;
- } while (vsi_cur);
- /* NULL terminate head of VSI list */
- hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = NULL;
- }
- /* free characteristic list */
- list_for_each_entry_safe(del, dtmp,
- &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
- list) {
- list_del(&del->list);
- devm_kfree(ice_hw_to_dev(hw), del);
- }
- /* if VSIG characteristic list was cleared for reset
- * re-initialize the list head
- */
- INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst);
- return 0;
- }
- /**
- * ice_vsig_remove_vsi - remove VSI from VSIG
- * @hw: pointer to the hardware structure
- * @blk: HW block
- * @vsi: VSI to remove
- * @vsig: VSI group to remove from
- *
- * The function will remove the input VSI from its VSI group and move it
- * to the DEFAULT_VSIG.
- */
- static int
- ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
- {
- struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt;
- u16 idx;
- idx = vsig & ICE_VSIG_IDX_M;
- if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
- return -EINVAL;
- if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
- return -ENOENT;
- /* entry already in default VSIG, don't have to remove */
- if (idx == ICE_DEFAULT_VSIG)
- return 0;
- vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
- if (!(*vsi_head))
- return -EIO;
- vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi];
- vsi_cur = (*vsi_head);
- /* iterate the VSI list, skip over the entry to be removed */
- while (vsi_cur) {
- if (vsi_tgt == vsi_cur) {
- (*vsi_head) = vsi_cur->next_vsi;
- break;
- }
- vsi_head = &vsi_cur->next_vsi;
- vsi_cur = vsi_cur->next_vsi;
- }
- /* verify if VSI was removed from group list */
- if (!vsi_cur)
- return -ENOENT;
- vsi_cur->vsig = ICE_DEFAULT_VSIG;
- vsi_cur->changed = 1;
- vsi_cur->next_vsi = NULL;
- return 0;
- }
- /**
- * ice_vsig_add_mv_vsi - add or move a VSI to a VSI group
- * @hw: pointer to the hardware structure
- * @blk: HW block
- * @vsi: VSI to move
- * @vsig: destination VSI group
- *
- * This function will move or add the input VSI to the target VSIG.
- * The function will find the original VSIG the VSI belongs to and
- * move the entry to the DEFAULT_VSIG, update the original VSIG and
- * then move entry to the new VSIG.
- */
- static int
- ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
- {
- struct ice_vsig_vsi *tmp;
- u16 orig_vsig, idx;
- int status;
- idx = vsig & ICE_VSIG_IDX_M;
- if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
- return -EINVAL;
- /* if VSIG not in use and VSIG is not default type this VSIG
- * doesn't exist.
- */
- if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use &&
- vsig != ICE_DEFAULT_VSIG)
- return -ENOENT;
- status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
- if (status)
- return status;
- /* no update required if vsigs match */
- if (orig_vsig == vsig)
- return 0;
- if (orig_vsig != ICE_DEFAULT_VSIG) {
- /* remove entry from orig_vsig and add to default VSIG */
- status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig);
- if (status)
- return status;
- }
- if (idx == ICE_DEFAULT_VSIG)
- return 0;
- /* Create VSI entry and add VSIG and prop_mask values */
- hw->blk[blk].xlt2.vsis[vsi].vsig = vsig;
- hw->blk[blk].xlt2.vsis[vsi].changed = 1;
- /* Add new entry to the head of the VSIG list */
- tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
- hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi =
- &hw->blk[blk].xlt2.vsis[vsi];
- hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp;
- hw->blk[blk].xlt2.t[vsi] = vsig;
- return 0;
- }
- /**
- * 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
- * @symm: symmetric setting for RSS flows
- * @prof_id: receives the profile ID
- */
- static int
- ice_find_prof_id_with_mask(struct ice_hw *hw, enum ice_block blk,
- struct ice_fv_word *fv, u16 *masks, bool symm,
- u8 *prof_id)
- {
- struct ice_es *es = &hw->blk[blk].es;
- u8 i;
- /* For FD, we don't want to re-use a existed profile with the same
- * field vector and mask. This will cause rule interference.
- */
- if (blk == ICE_BLK_FD)
- return -ENOENT;
- for (i = 0; i < (u8)es->count; i++) {
- u16 off = i * es->fvw;
- if (blk == ICE_BLK_RSS && es->symm[i] != symm)
- continue;
- 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;
- }
- return -ENOENT;
- }
- /**
- * ice_prof_id_rsrc_type - get profile ID resource type for a block type
- * @blk: the block type
- * @rsrc_type: pointer to variable to receive the resource type
- */
- static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type)
- {
- switch (blk) {
- case ICE_BLK_FD:
- *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID;
- break;
- case ICE_BLK_RSS:
- *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID;
- break;
- default:
- return false;
- }
- return true;
- }
- /**
- * ice_tcam_ent_rsrc_type - get TCAM entry resource type for a block type
- * @blk: the block type
- * @rsrc_type: pointer to variable to receive the resource type
- */
- static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type)
- {
- switch (blk) {
- case ICE_BLK_FD:
- *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM;
- break;
- case ICE_BLK_RSS:
- *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM;
- break;
- default:
- return false;
- }
- return true;
- }
- /**
- * 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 int
- 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 -EINVAL;
- return ice_alloc_hw_res(hw, res_type, 1, btm, tcam_idx);
- }
- /**
- * ice_free_tcam_ent - free hardware TCAM entry
- * @hw: pointer to the HW struct
- * @blk: the block from which to free the TCAM entry
- * @tcam_idx: the TCAM entry to free
- *
- * This function frees an entry in a Profile ID TCAM for a specific block.
- */
- static int
- ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx)
- {
- u16 res_type;
- if (!ice_tcam_ent_rsrc_type(blk, &res_type))
- return -EINVAL;
- return ice_free_hw_res(hw, res_type, 1, &tcam_idx);
- }
- /**
- * ice_alloc_prof_id - allocate profile ID
- * @hw: pointer to the HW struct
- * @blk: the block to allocate the profile ID for
- * @prof_id: pointer to variable to receive the profile ID
- *
- * This function allocates a new profile ID, which also corresponds to a Field
- * Vector (Extraction Sequence) entry.
- */
- static int ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id)
- {
- u16 res_type;
- u16 get_prof;
- int status;
- if (!ice_prof_id_rsrc_type(blk, &res_type))
- return -EINVAL;
- status = ice_alloc_hw_res(hw, res_type, 1, false, &get_prof);
- if (!status)
- *prof_id = (u8)get_prof;
- return status;
- }
- /**
- * ice_free_prof_id - free profile ID
- * @hw: pointer to the HW struct
- * @blk: the block from which to free the profile ID
- * @prof_id: the profile ID to free
- *
- * This function frees a profile ID, which also corresponds to a Field Vector.
- */
- static int ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
- {
- u16 tmp_prof_id = (u16)prof_id;
- u16 res_type;
- if (!ice_prof_id_rsrc_type(blk, &res_type))
- return -EINVAL;
- return ice_free_hw_res(hw, res_type, 1, &tmp_prof_id);
- }
- /**
- * ice_prof_inc_ref - increment reference count for profile
- * @hw: pointer to the HW struct
- * @blk: the block from which to free the profile ID
- * @prof_id: the profile ID for which to increment the reference count
- */
- static int ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
- {
- if (prof_id > hw->blk[blk].es.count)
- return -EINVAL;
- hw->blk[blk].es.ref_count[prof_id]++;
- return 0;
- }
- /**
- * 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 = FIELD_PREP(GLQF_HMASK_MSK_INDEX_M, idx);
- val |= FIELD_PREP(GLQF_HMASK_MASK_M, mask);
- break;
- case ICE_BLK_FD:
- offset = GLQF_FDMASK(mask_idx);
- val = FIELD_PREP(GLQF_FDMASK_MSK_INDEX_M, idx);
- val |= FIELD_PREP(GLQF_FDMASK_MASK_M, mask);
- 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 int
- 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;
- u16 unused_idx = 0, copy_idx = 0;
- int status = -ENOSPC;
- u16 i;
- if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD)
- return -EINVAL;
- 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 int
- 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 -EINVAL;
- if (!(mask_idx >= hw->blk[blk].masks.first &&
- mask_idx < hw->blk[blk].masks.first + hw->blk[blk].masks.count))
- return -ENOENT;
- 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 int
- 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 -EINVAL;
- 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 int
- 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 -EIO;
- }
- /* 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 and symmetric setting to hardware
- * @hw: pointer to the HW struct
- * @blk: the block in which to write the extraction sequence
- * @prof_id: the profile ID to write
- * @fv: pointer to the extraction sequence to write - NULL to clear extraction
- * @symm: symmetric setting for RSS profiles
- */
- static void
- ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id,
- struct ice_fv_word *fv, bool symm)
- {
- u16 off;
- off = prof_id * hw->blk[blk].es.fvw;
- if (!fv) {
- memset(&hw->blk[blk].es.t[off], 0,
- hw->blk[blk].es.fvw * sizeof(*fv));
- hw->blk[blk].es.written[prof_id] = false;
- } else {
- memcpy(&hw->blk[blk].es.t[off], fv,
- hw->blk[blk].es.fvw * sizeof(*fv));
- }
- if (blk == ICE_BLK_RSS)
- hw->blk[blk].es.symm[prof_id] = symm;
- }
- /**
- * ice_prof_dec_ref - decrement reference count for profile
- * @hw: pointer to the HW struct
- * @blk: the block from which to free the profile ID
- * @prof_id: the profile ID for which to decrement the reference count
- */
- static int
- ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
- {
- if (prof_id > hw->blk[blk].es.count)
- return -EINVAL;
- 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, false);
- ice_free_prof_masks(hw, blk, prof_id);
- return ice_free_prof_id(hw, blk, prof_id);
- }
- }
- return 0;
- }
- /* Block / table section IDs */
- static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = {
- /* SWITCH */
- { ICE_SID_XLT1_SW,
- ICE_SID_XLT2_SW,
- ICE_SID_PROFID_TCAM_SW,
- ICE_SID_PROFID_REDIR_SW,
- ICE_SID_FLD_VEC_SW
- },
- /* ACL */
- { ICE_SID_XLT1_ACL,
- ICE_SID_XLT2_ACL,
- ICE_SID_PROFID_TCAM_ACL,
- ICE_SID_PROFID_REDIR_ACL,
- ICE_SID_FLD_VEC_ACL
- },
- /* FD */
- { ICE_SID_XLT1_FD,
- ICE_SID_XLT2_FD,
- ICE_SID_PROFID_TCAM_FD,
- ICE_SID_PROFID_REDIR_FD,
- ICE_SID_FLD_VEC_FD
- },
- /* RSS */
- { ICE_SID_XLT1_RSS,
- ICE_SID_XLT2_RSS,
- ICE_SID_PROFID_TCAM_RSS,
- ICE_SID_PROFID_REDIR_RSS,
- ICE_SID_FLD_VEC_RSS
- },
- /* PE */
- { ICE_SID_XLT1_PE,
- ICE_SID_XLT2_PE,
- ICE_SID_PROFID_TCAM_PE,
- ICE_SID_PROFID_REDIR_PE,
- ICE_SID_FLD_VEC_PE
- }
- };
- /**
- * ice_init_sw_xlt1_db - init software XLT1 database from HW tables
- * @hw: pointer to the hardware structure
- * @blk: the HW block to initialize
- */
- static void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk)
- {
- u16 pt;
- for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) {
- u8 ptg;
- ptg = hw->blk[blk].xlt1.t[pt];
- if (ptg != ICE_DEFAULT_PTG) {
- ice_ptg_alloc_val(hw, blk, ptg);
- ice_ptg_add_mv_ptype(hw, blk, pt, ptg);
- }
- }
- }
- /**
- * ice_init_sw_xlt2_db - init software XLT2 database from HW tables
- * @hw: pointer to the hardware structure
- * @blk: the HW block to initialize
- */
- static void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk)
- {
- u16 vsi;
- for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) {
- u16 vsig;
- vsig = hw->blk[blk].xlt2.t[vsi];
- if (vsig) {
- ice_vsig_alloc_val(hw, blk, vsig);
- ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
- /* no changes at this time, since this has been
- * initialized from the original package
- */
- hw->blk[blk].xlt2.vsis[vsi].changed = 0;
- }
- }
- }
- /**
- * ice_init_sw_db - init software database from HW tables
- * @hw: pointer to the hardware structure
- */
- static void ice_init_sw_db(struct ice_hw *hw)
- {
- u16 i;
- for (i = 0; i < ICE_BLK_COUNT; i++) {
- ice_init_sw_xlt1_db(hw, (enum ice_block)i);
- ice_init_sw_xlt2_db(hw, (enum ice_block)i);
- }
- }
- /**
- * ice_fill_tbl - Reads content of a single table type into database
- * @hw: pointer to the hardware structure
- * @block_id: Block ID of the table to copy
- * @sid: Section ID of the table to copy
- *
- * Will attempt to read the entire content of a given table of a single block
- * into the driver database. We assume that the buffer will always
- * be as large or larger than the data contained in the package. If
- * this condition is not met, there is most likely an error in the package
- * contents.
- */
- static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid)
- {
- u32 dst_len, sect_len, offset = 0;
- struct ice_prof_redir_section *pr;
- struct ice_prof_id_section *pid;
- struct ice_xlt1_section *xlt1;
- struct ice_xlt2_section *xlt2;
- struct ice_sw_fv_section *es;
- struct ice_pkg_enum state;
- u8 *src, *dst;
- void *sect;
- /* if the HW segment pointer is null then the first iteration of
- * ice_pkg_enum_section() will fail. In this case the HW tables will
- * not be filled and return success.
- */
- if (!hw->seg) {
- ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n");
- return;
- }
- memset(&state, 0, sizeof(state));
- sect = ice_pkg_enum_section(hw->seg, &state, sid);
- while (sect) {
- switch (sid) {
- case ICE_SID_XLT1_SW:
- case ICE_SID_XLT1_FD:
- case ICE_SID_XLT1_RSS:
- case ICE_SID_XLT1_ACL:
- case ICE_SID_XLT1_PE:
- xlt1 = sect;
- src = xlt1->value;
- sect_len = le16_to_cpu(xlt1->count) *
- sizeof(*hw->blk[block_id].xlt1.t);
- dst = hw->blk[block_id].xlt1.t;
- dst_len = hw->blk[block_id].xlt1.count *
- sizeof(*hw->blk[block_id].xlt1.t);
- break;
- case ICE_SID_XLT2_SW:
- case ICE_SID_XLT2_FD:
- case ICE_SID_XLT2_RSS:
- case ICE_SID_XLT2_ACL:
- case ICE_SID_XLT2_PE:
- xlt2 = sect;
- src = (__force u8 *)xlt2->value;
- sect_len = le16_to_cpu(xlt2->count) *
- sizeof(*hw->blk[block_id].xlt2.t);
- dst = (u8 *)hw->blk[block_id].xlt2.t;
- dst_len = hw->blk[block_id].xlt2.count *
- sizeof(*hw->blk[block_id].xlt2.t);
- break;
- case ICE_SID_PROFID_TCAM_SW:
- case ICE_SID_PROFID_TCAM_FD:
- case ICE_SID_PROFID_TCAM_RSS:
- case ICE_SID_PROFID_TCAM_ACL:
- case ICE_SID_PROFID_TCAM_PE:
- pid = sect;
- src = (u8 *)pid->entry;
- sect_len = le16_to_cpu(pid->count) *
- sizeof(*hw->blk[block_id].prof.t);
- dst = (u8 *)hw->blk[block_id].prof.t;
- dst_len = hw->blk[block_id].prof.count *
- sizeof(*hw->blk[block_id].prof.t);
- break;
- case ICE_SID_PROFID_REDIR_SW:
- case ICE_SID_PROFID_REDIR_FD:
- case ICE_SID_PROFID_REDIR_RSS:
- case ICE_SID_PROFID_REDIR_ACL:
- case ICE_SID_PROFID_REDIR_PE:
- pr = sect;
- src = pr->redir_value;
- sect_len = le16_to_cpu(pr->count) *
- sizeof(*hw->blk[block_id].prof_redir.t);
- dst = hw->blk[block_id].prof_redir.t;
- dst_len = hw->blk[block_id].prof_redir.count *
- sizeof(*hw->blk[block_id].prof_redir.t);
- break;
- case ICE_SID_FLD_VEC_SW:
- case ICE_SID_FLD_VEC_FD:
- case ICE_SID_FLD_VEC_RSS:
- case ICE_SID_FLD_VEC_ACL:
- case ICE_SID_FLD_VEC_PE:
- es = sect;
- src = (u8 *)es->fv;
- sect_len = (u32)(le16_to_cpu(es->count) *
- hw->blk[block_id].es.fvw) *
- sizeof(*hw->blk[block_id].es.t);
- dst = (u8 *)hw->blk[block_id].es.t;
- dst_len = (u32)(hw->blk[block_id].es.count *
- hw->blk[block_id].es.fvw) *
- sizeof(*hw->blk[block_id].es.t);
- break;
- default:
- return;
- }
- /* if the section offset exceeds destination length, terminate
- * table fill.
- */
- if (offset > dst_len)
- return;
- /* if the sum of section size and offset exceed destination size
- * then we are out of bounds of the HW table size for that PF.
- * Changing section length to fill the remaining table space
- * of that PF.
- */
- if ((offset + sect_len) > dst_len)
- sect_len = dst_len - offset;
- memcpy(dst + offset, src, sect_len);
- offset += sect_len;
- sect = ice_pkg_enum_section(NULL, &state, sid);
- }
- }
- /**
- * ice_fill_blk_tbls - Read package context for tables
- * @hw: pointer to the hardware structure
- *
- * Reads the current package contents and populates the driver
- * database with the data iteratively for all advanced feature
- * blocks. Assume that the HW tables have been allocated.
- */
- void ice_fill_blk_tbls(struct ice_hw *hw)
- {
- u8 i;
- for (i = 0; i < ICE_BLK_COUNT; i++) {
- enum ice_block blk_id = (enum ice_block)i;
- ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt1.sid);
- ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt2.sid);
- ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof.sid);
- ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof_redir.sid);
- ice_fill_tbl(hw, blk_id, hw->blk[blk_id].es.sid);
- }
- ice_init_sw_db(hw);
- }
- /**
- * ice_free_prof_map - free profile map
- * @hw: pointer to the hardware structure
- * @blk_idx: HW block index
- */
- static void ice_free_prof_map(struct ice_hw *hw, u8 blk_idx)
- {
- struct ice_es *es = &hw->blk[blk_idx].es;
- struct ice_prof_map *del, *tmp;
- mutex_lock(&es->prof_map_lock);
- list_for_each_entry_safe(del, tmp, &es->prof_map, list) {
- list_del(&del->list);
- devm_kfree(ice_hw_to_dev(hw), del);
- }
- INIT_LIST_HEAD(&es->prof_map);
- mutex_unlock(&es->prof_map_lock);
- }
- /**
- * ice_free_flow_profs - free flow profile entries
- * @hw: pointer to the hardware structure
- * @blk_idx: HW block index
- */
- static void ice_free_flow_profs(struct ice_hw *hw, u8 blk_idx)
- {
- struct ice_flow_prof *p, *tmp;
- mutex_lock(&hw->fl_profs_locks[blk_idx]);
- list_for_each_entry_safe(p, tmp, &hw->fl_profs[blk_idx], l_entry) {
- struct ice_flow_entry *e, *t;
- list_for_each_entry_safe(e, t, &p->entries, l_entry)
- ice_flow_rem_entry(hw, (enum ice_block)blk_idx,
- ICE_FLOW_ENTRY_HNDL(e));
- list_del(&p->l_entry);
- mutex_destroy(&p->entries_lock);
- devm_kfree(ice_hw_to_dev(hw), p);
- }
- mutex_unlock(&hw->fl_profs_locks[blk_idx]);
- /* if driver is in reset and tables are being cleared
- * re-initialize the flow profile list heads
- */
- INIT_LIST_HEAD(&hw->fl_profs[blk_idx]);
- }
- /**
- * ice_free_vsig_tbl - free complete VSIG table entries
- * @hw: pointer to the hardware structure
- * @blk: the HW block on which to free the VSIG table entries
- */
- static void ice_free_vsig_tbl(struct ice_hw *hw, enum ice_block blk)
- {
- u16 i;
- if (!hw->blk[blk].xlt2.vsig_tbl)
- return;
- for (i = 1; i < ICE_MAX_VSIGS; i++)
- if (hw->blk[blk].xlt2.vsig_tbl[i].in_use)
- ice_vsig_free(hw, blk, i);
- }
- /**
- * ice_free_hw_tbls - free hardware table memory
- * @hw: pointer to the hardware structure
- */
- void ice_free_hw_tbls(struct ice_hw *hw)
- {
- struct ice_rss_cfg *r, *rt;
- u8 i;
- for (i = 0; i < ICE_BLK_COUNT; i++) {
- if (hw->blk[i].is_list_init) {
- struct ice_es *es = &hw->blk[i].es;
- ice_free_prof_map(hw, i);
- mutex_destroy(&es->prof_map_lock);
- ice_free_flow_profs(hw, i);
- mutex_destroy(&hw->fl_profs_locks[i]);
- hw->blk[i].is_list_init = false;
- }
- ice_free_vsig_tbl(hw, (enum ice_block)i);
- devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.ptypes);
- devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.ptg_tbl);
- devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.t);
- devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.t);
- devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.vsig_tbl);
- devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.vsis);
- devm_kfree(ice_hw_to_dev(hw), hw->blk[i].prof.t);
- devm_kfree(ice_hw_to_dev(hw), hw->blk[i].prof_redir.t);
- 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.symm);
- 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);
- devm_kfree(ice_hw_to_dev(hw), hw->blk[i].prof_id.id);
- }
- list_for_each_entry_safe(r, rt, &hw->rss_list_head, l_entry) {
- list_del(&r->l_entry);
- 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));
- }
- /**
- * ice_init_flow_profs - init flow profile locks and list heads
- * @hw: pointer to the hardware structure
- * @blk_idx: HW block index
- */
- static void ice_init_flow_profs(struct ice_hw *hw, u8 blk_idx)
- {
- mutex_init(&hw->fl_profs_locks[blk_idx]);
- INIT_LIST_HEAD(&hw->fl_profs[blk_idx]);
- }
- /**
- * ice_clear_hw_tbls - clear HW tables and flow profiles
- * @hw: pointer to the hardware structure
- */
- void ice_clear_hw_tbls(struct ice_hw *hw)
- {
- u8 i;
- for (i = 0; i < ICE_BLK_COUNT; i++) {
- struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
- struct ice_prof_id *prof_id = &hw->blk[i].prof_id;
- struct ice_prof_tcam *prof = &hw->blk[i].prof;
- struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
- struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
- struct ice_es *es = &hw->blk[i].es;
- if (hw->blk[i].is_list_init) {
- ice_free_prof_map(hw, i);
- ice_free_flow_profs(hw, i);
- }
- ice_free_vsig_tbl(hw, (enum ice_block)i);
- memset(xlt1->ptypes, 0, xlt1->count * sizeof(*xlt1->ptypes));
- memset(xlt1->ptg_tbl, 0,
- ICE_MAX_PTGS * sizeof(*xlt1->ptg_tbl));
- memset(xlt1->t, 0, xlt1->count * sizeof(*xlt1->t));
- memset(xlt2->vsis, 0, xlt2->count * sizeof(*xlt2->vsis));
- memset(xlt2->vsig_tbl, 0,
- xlt2->count * sizeof(*xlt2->vsig_tbl));
- memset(xlt2->t, 0, xlt2->count * sizeof(*xlt2->t));
- memset(prof->t, 0, prof->count * sizeof(*prof->t));
- memset(prof_redir->t, 0,
- prof_redir->count * sizeof(*prof_redir->t));
- memset(es->t, 0, es->count * sizeof(*es->t) * es->fvw);
- memset(es->ref_count, 0, es->count * sizeof(*es->ref_count));
- memset(es->symm, 0, es->count * sizeof(*es->symm));
- memset(es->written, 0, es->count * sizeof(*es->written));
- memset(es->mask_ena, 0, es->count * sizeof(*es->mask_ena));
- memset(prof_id->id, 0, prof_id->count * sizeof(*prof_id->id));
- }
- }
- /**
- * ice_init_hw_tbls - init hardware table memory
- * @hw: pointer to the hardware structure
- */
- int ice_init_hw_tbls(struct ice_hw *hw)
- {
- u8 i;
- 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_id *prof_id = &hw->blk[i].prof_id;
- struct ice_prof_tcam *prof = &hw->blk[i].prof;
- struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1;
- struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2;
- struct ice_es *es = &hw->blk[i].es;
- u16 j;
- if (hw->blk[i].is_list_init)
- continue;
- ice_init_flow_profs(hw, i);
- mutex_init(&es->prof_map_lock);
- INIT_LIST_HEAD(&es->prof_map);
- hw->blk[i].is_list_init = true;
- hw->blk[i].overwrite = blk_sizes[i].overwrite;
- es->reverse = blk_sizes[i].reverse;
- xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF];
- xlt1->count = blk_sizes[i].xlt1;
- xlt1->ptypes = devm_kcalloc(ice_hw_to_dev(hw), xlt1->count,
- sizeof(*xlt1->ptypes), GFP_KERNEL);
- if (!xlt1->ptypes)
- goto err;
- xlt1->ptg_tbl = devm_kcalloc(ice_hw_to_dev(hw), ICE_MAX_PTGS,
- sizeof(*xlt1->ptg_tbl),
- GFP_KERNEL);
- if (!xlt1->ptg_tbl)
- goto err;
- xlt1->t = devm_kcalloc(ice_hw_to_dev(hw), xlt1->count,
- sizeof(*xlt1->t), GFP_KERNEL);
- if (!xlt1->t)
- goto err;
- xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF];
- xlt2->count = blk_sizes[i].xlt2;
- xlt2->vsis = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count,
- sizeof(*xlt2->vsis), GFP_KERNEL);
- if (!xlt2->vsis)
- goto err;
- xlt2->vsig_tbl = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count,
- sizeof(*xlt2->vsig_tbl),
- GFP_KERNEL);
- if (!xlt2->vsig_tbl)
- goto err;
- for (j = 0; j < xlt2->count; j++)
- INIT_LIST_HEAD(&xlt2->vsig_tbl[j].prop_lst);
- xlt2->t = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count,
- sizeof(*xlt2->t), GFP_KERNEL);
- if (!xlt2->t)
- goto err;
- prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF];
- prof->count = blk_sizes[i].prof_tcam;
- prof->max_prof_id = blk_sizes[i].prof_id;
- prof->cdid_bits = blk_sizes[i].prof_cdid_bits;
- prof->t = devm_kcalloc(ice_hw_to_dev(hw), prof->count,
- sizeof(*prof->t), GFP_KERNEL);
- if (!prof->t)
- goto err;
- prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF];
- prof_redir->count = blk_sizes[i].prof_redir;
- prof_redir->t = devm_kcalloc(ice_hw_to_dev(hw),
- prof_redir->count,
- sizeof(*prof_redir->t),
- GFP_KERNEL);
- if (!prof_redir->t)
- goto err;
- es->sid = ice_blk_sids[i][ICE_SID_ES_OFF];
- es->count = blk_sizes[i].es;
- es->fvw = blk_sizes[i].fvw;
- es->t = devm_kcalloc(ice_hw_to_dev(hw),
- (u32)(es->count * es->fvw),
- sizeof(*es->t), GFP_KERNEL);
- if (!es->t)
- goto err;
- es->ref_count = devm_kcalloc(ice_hw_to_dev(hw), es->count,
- sizeof(*es->ref_count),
- GFP_KERNEL);
- if (!es->ref_count)
- goto err;
- es->symm = devm_kcalloc(ice_hw_to_dev(hw), es->count,
- sizeof(*es->symm), GFP_KERNEL);
- if (!es->symm)
- goto err;
- es->written = devm_kcalloc(ice_hw_to_dev(hw), es->count,
- 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;
- prof_id->count = blk_sizes[i].prof_id;
- prof_id->id = devm_kcalloc(ice_hw_to_dev(hw), prof_id->count,
- sizeof(*prof_id->id), GFP_KERNEL);
- if (!prof_id->id)
- goto err;
- }
- return 0;
- err:
- ice_free_hw_tbls(hw);
- return -ENOMEM;
- }
- /**
- * ice_prof_gen_key - generate profile ID key
- * @hw: pointer to the HW struct
- * @blk: the block in which to write profile ID to
- * @ptg: packet type group (PTG) portion of key
- * @vsig: VSIG portion of key
- * @cdid: CDID portion of key
- * @flags: flag portion of key
- * @vl_msk: valid mask
- * @dc_msk: don't care mask
- * @nm_msk: never match mask
- * @key: output of profile ID key
- */
- static int
- ice_prof_gen_key(struct ice_hw *hw, enum ice_block blk, u8 ptg, u16 vsig,
- u8 cdid, u16 flags, u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
- u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], u8 nm_msk[ICE_TCAM_KEY_VAL_SZ],
- u8 key[ICE_TCAM_KEY_SZ])
- {
- struct ice_prof_id_key inkey;
- inkey.xlt1 = ptg;
- inkey.xlt2_cdid = cpu_to_le16(vsig);
- inkey.flags = cpu_to_le16(flags);
- switch (hw->blk[blk].prof.cdid_bits) {
- case 0:
- break;
- case 2:
- #define ICE_CD_2_M 0xC000U
- #define ICE_CD_2_S 14
- inkey.xlt2_cdid &= ~cpu_to_le16(ICE_CD_2_M);
- inkey.xlt2_cdid |= cpu_to_le16(BIT(cdid) << ICE_CD_2_S);
- break;
- case 4:
- #define ICE_CD_4_M 0xF000U
- #define ICE_CD_4_S 12
- inkey.xlt2_cdid &= ~cpu_to_le16(ICE_CD_4_M);
- inkey.xlt2_cdid |= cpu_to_le16(BIT(cdid) << ICE_CD_4_S);
- break;
- case 8:
- #define ICE_CD_8_M 0xFF00U
- #define ICE_CD_8_S 16
- inkey.xlt2_cdid &= ~cpu_to_le16(ICE_CD_8_M);
- inkey.xlt2_cdid |= cpu_to_le16(BIT(cdid) << ICE_CD_8_S);
- break;
- default:
- ice_debug(hw, ICE_DBG_PKG, "Error in profile config\n");
- break;
- }
- return ice_set_key(key, ICE_TCAM_KEY_SZ, (u8 *)&inkey, vl_msk, dc_msk,
- nm_msk, 0, ICE_TCAM_KEY_SZ / 2);
- }
- /**
- * ice_tcam_write_entry - write TCAM entry
- * @hw: pointer to the HW struct
- * @blk: the block in which to write profile ID to
- * @idx: the entry index to write to
- * @prof_id: profile ID
- * @ptg: packet type group (PTG) portion of key
- * @vsig: VSIG portion of key
- * @cdid: CDID portion of key
- * @flags: flag portion of key
- * @vl_msk: valid mask
- * @dc_msk: don't care mask
- * @nm_msk: never match mask
- */
- static int
- ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx,
- u8 prof_id, u8 ptg, u16 vsig, u8 cdid, u16 flags,
- u8 vl_msk[ICE_TCAM_KEY_VAL_SZ],
- u8 dc_msk[ICE_TCAM_KEY_VAL_SZ],
- u8 nm_msk[ICE_TCAM_KEY_VAL_SZ])
- {
- struct ice_prof_tcam_entry;
- int status;
- status = ice_prof_gen_key(hw, blk, ptg, vsig, cdid, flags, vl_msk,
- dc_msk, nm_msk, hw->blk[blk].prof.t[idx].key);
- if (!status) {
- hw->blk[blk].prof.t[idx].addr = cpu_to_le16(idx);
- hw->blk[blk].prof.t[idx].prof_id = prof_id;
- }
- return status;
- }
- /**
- * ice_vsig_get_ref - returns number of VSIs belong to a VSIG
- * @hw: pointer to the hardware structure
- * @blk: HW block
- * @vsig: VSIG to query
- * @refs: pointer to variable to receive the reference count
- */
- static int
- ice_vsig_get_ref(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 *refs)
- {
- u16 idx = vsig & ICE_VSIG_IDX_M;
- struct ice_vsig_vsi *ptr;
- *refs = 0;
- if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
- return -ENOENT;
- ptr = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
- while (ptr) {
- (*refs)++;
- ptr = ptr->next_vsi;
- }
- return 0;
- }
- /**
- * ice_has_prof_vsig - check to see if VSIG has a specific profile
- * @hw: pointer to the hardware structure
- * @blk: HW block
- * @vsig: VSIG to check against
- * @hdl: profile handle
- */
- static bool
- ice_has_prof_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl)
- {
- u16 idx = vsig & ICE_VSIG_IDX_M;
- struct ice_vsig_prof *ent;
- list_for_each_entry(ent, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
- list)
- if (ent->profile_cookie == hdl)
- return true;
- ice_debug(hw, ICE_DBG_INIT, "Characteristic list for VSI group %d not found.\n",
- vsig);
- return false;
- }
- /**
- * ice_prof_bld_es - build profile ID extraction sequence changes
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @bld: the update package buffer build to add to
- * @chgs: the list of changes to make in hardware
- */
- static int
- ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk,
- struct ice_buf_build *bld, struct list_head *chgs)
- {
- u16 vec_size = hw->blk[blk].es.fvw * sizeof(struct ice_fv_word);
- struct ice_chs_chg *tmp;
- list_for_each_entry(tmp, chgs, list_entry)
- if (tmp->type == ICE_PTG_ES_ADD && tmp->add_prof) {
- u16 off = tmp->prof_id * hw->blk[blk].es.fvw;
- struct ice_pkg_es *p;
- u32 id;
- id = ice_sect_id(blk, ICE_VEC_TBL);
- p = ice_pkg_buf_alloc_section(bld, id,
- struct_size(p, es, 1) +
- vec_size -
- sizeof(p->es[0]));
- if (!p)
- return -ENOSPC;
- p->count = cpu_to_le16(1);
- p->offset = cpu_to_le16(tmp->prof_id);
- memcpy(p->es, &hw->blk[blk].es.t[off], vec_size);
- }
- return 0;
- }
- /**
- * ice_prof_bld_tcam - build profile ID TCAM changes
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @bld: the update package buffer build to add to
- * @chgs: the list of changes to make in hardware
- */
- static int
- ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk,
- struct ice_buf_build *bld, struct list_head *chgs)
- {
- struct ice_chs_chg *tmp;
- list_for_each_entry(tmp, chgs, list_entry)
- if (tmp->type == ICE_TCAM_ADD && tmp->add_tcam_idx) {
- struct ice_prof_id_section *p;
- u32 id;
- id = ice_sect_id(blk, ICE_PROF_TCAM);
- p = ice_pkg_buf_alloc_section(bld, id,
- struct_size(p, entry, 1));
- if (!p)
- return -ENOSPC;
- p->count = cpu_to_le16(1);
- p->entry[0].addr = cpu_to_le16(tmp->tcam_idx);
- p->entry[0].prof_id = tmp->prof_id;
- memcpy(p->entry[0].key,
- &hw->blk[blk].prof.t[tmp->tcam_idx].key,
- sizeof(hw->blk[blk].prof.t->key));
- }
- return 0;
- }
- /**
- * ice_prof_bld_xlt1 - build XLT1 changes
- * @blk: hardware block
- * @bld: the update package buffer build to add to
- * @chgs: the list of changes to make in hardware
- */
- static int
- ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld,
- struct list_head *chgs)
- {
- struct ice_chs_chg *tmp;
- list_for_each_entry(tmp, chgs, list_entry)
- if (tmp->type == ICE_PTG_ES_ADD && tmp->add_ptg) {
- struct ice_xlt1_section *p;
- u32 id;
- id = ice_sect_id(blk, ICE_XLT1);
- p = ice_pkg_buf_alloc_section(bld, id,
- struct_size(p, value, 1));
- if (!p)
- return -ENOSPC;
- p->count = cpu_to_le16(1);
- p->offset = cpu_to_le16(tmp->ptype);
- p->value[0] = tmp->ptg;
- }
- return 0;
- }
- /**
- * ice_prof_bld_xlt2 - build XLT2 changes
- * @blk: hardware block
- * @bld: the update package buffer build to add to
- * @chgs: the list of changes to make in hardware
- */
- static int
- ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld,
- struct list_head *chgs)
- {
- struct ice_chs_chg *tmp;
- list_for_each_entry(tmp, chgs, list_entry) {
- struct ice_xlt2_section *p;
- u32 id;
- switch (tmp->type) {
- case ICE_VSIG_ADD:
- case ICE_VSI_MOVE:
- case ICE_VSIG_REM:
- id = ice_sect_id(blk, ICE_XLT2);
- p = ice_pkg_buf_alloc_section(bld, id,
- struct_size(p, value, 1));
- if (!p)
- return -ENOSPC;
- p->count = cpu_to_le16(1);
- p->offset = cpu_to_le16(tmp->vsi);
- p->value[0] = cpu_to_le16(tmp->vsig);
- break;
- default:
- break;
- }
- }
- return 0;
- }
- /**
- * ice_upd_prof_hw - update hardware using the change list
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @chgs: the list of changes to make in hardware
- */
- static int
- ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk,
- struct list_head *chgs)
- {
- struct ice_buf_build *b;
- struct ice_chs_chg *tmp;
- u16 pkg_sects;
- u16 xlt1 = 0;
- u16 xlt2 = 0;
- u16 tcam = 0;
- u16 es = 0;
- int status;
- u16 sects;
- /* count number of sections we need */
- list_for_each_entry(tmp, chgs, list_entry) {
- switch (tmp->type) {
- case ICE_PTG_ES_ADD:
- if (tmp->add_ptg)
- xlt1++;
- if (tmp->add_prof)
- es++;
- break;
- case ICE_TCAM_ADD:
- tcam++;
- break;
- case ICE_VSIG_ADD:
- case ICE_VSI_MOVE:
- case ICE_VSIG_REM:
- xlt2++;
- break;
- default:
- break;
- }
- }
- sects = xlt1 + xlt2 + tcam + es;
- if (!sects)
- return 0;
- /* Build update package buffer */
- b = ice_pkg_buf_alloc(hw);
- if (!b)
- return -ENOMEM;
- status = ice_pkg_buf_reserve_section(b, sects);
- if (status)
- goto error_tmp;
- /* Preserve order of table update: ES, TCAM, PTG, VSIG */
- if (es) {
- status = ice_prof_bld_es(hw, blk, b, chgs);
- if (status)
- goto error_tmp;
- }
- if (tcam) {
- status = ice_prof_bld_tcam(hw, blk, b, chgs);
- if (status)
- goto error_tmp;
- }
- if (xlt1) {
- status = ice_prof_bld_xlt1(blk, b, chgs);
- if (status)
- goto error_tmp;
- }
- if (xlt2) {
- status = ice_prof_bld_xlt2(blk, b, chgs);
- if (status)
- goto error_tmp;
- }
- /* After package buffer build check if the section count in buffer is
- * non-zero and matches the number of sections detected for package
- * update.
- */
- pkg_sects = ice_pkg_buf_get_active_sections(b);
- if (!pkg_sects || pkg_sects != sects) {
- status = -EINVAL;
- goto error_tmp;
- }
- /* update package */
- status = ice_update_pkg(hw, ice_pkg_buf(b), 1);
- if (status == -EIO)
- ice_debug(hw, ICE_DBG_INIT, "Unable to update HW profile\n");
- error_tmp:
- ice_pkg_buf_free(hw, b);
- return status;
- }
- /**
- * ice_update_fd_mask - set Flow Director Field Vector mask for a profile
- * @hw: pointer to the HW struct
- * @prof_id: profile ID
- * @mask_sel: mask select
- *
- * This function enable any of the masks selected by the mask select parameter
- * for the profile specified.
- */
- static void ice_update_fd_mask(struct ice_hw *hw, u16 prof_id, u32 mask_sel)
- {
- wr32(hw, GLQF_FDMASK_SEL(prof_id), mask_sel);
- ice_debug(hw, ICE_DBG_INIT, "fd mask(%d): %x = %x\n", prof_id,
- GLQF_FDMASK_SEL(prof_id), mask_sel);
- }
- struct ice_fd_src_dst_pair {
- u8 prot_id;
- u8 count;
- u16 off;
- };
- static const struct ice_fd_src_dst_pair ice_fd_pairs[] = {
- /* These are defined in pairs */
- { ICE_PROT_IPV4_OF_OR_S, 2, 12 },
- { ICE_PROT_IPV4_OF_OR_S, 2, 16 },
- { ICE_PROT_IPV4_IL, 2, 12 },
- { ICE_PROT_IPV4_IL, 2, 16 },
- { ICE_PROT_IPV6_OF_OR_S, 8, 8 },
- { ICE_PROT_IPV6_OF_OR_S, 8, 24 },
- { ICE_PROT_IPV6_IL, 8, 8 },
- { ICE_PROT_IPV6_IL, 8, 24 },
- { ICE_PROT_TCP_IL, 1, 0 },
- { ICE_PROT_TCP_IL, 1, 2 },
- { ICE_PROT_UDP_OF, 1, 0 },
- { ICE_PROT_UDP_OF, 1, 2 },
- { ICE_PROT_UDP_IL_OR_S, 1, 0 },
- { ICE_PROT_UDP_IL_OR_S, 1, 2 },
- { ICE_PROT_SCTP_IL, 1, 0 },
- { ICE_PROT_SCTP_IL, 1, 2 }
- };
- #define ICE_FD_SRC_DST_PAIR_COUNT ARRAY_SIZE(ice_fd_pairs)
- /**
- * ice_update_fd_swap - set register appropriately for a FD FV extraction
- * @hw: pointer to the HW struct
- * @prof_id: profile ID
- * @es: extraction sequence (length of array is determined by the block)
- */
- static int
- ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es)
- {
- DECLARE_BITMAP(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
- u8 pair_start[ICE_FD_SRC_DST_PAIR_COUNT] = { 0 };
- #define ICE_FD_FV_NOT_FOUND (-2)
- s8 first_free = ICE_FD_FV_NOT_FOUND;
- u8 used[ICE_MAX_FV_WORDS] = { 0 };
- s8 orig_free, si;
- u32 mask_sel = 0;
- u8 i, j, k;
- bitmap_zero(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
- /* This code assumes that the Flow Director field vectors are assigned
- * from the end of the FV indexes working towards the zero index, that
- * only complete fields will be included and will be consecutive, and
- * that there are no gaps between valid indexes.
- */
- /* Determine swap fields present */
- for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) {
- /* Find the first free entry, assuming right to left population.
- * This is where we can start adding additional pairs if needed.
- */
- if (first_free == ICE_FD_FV_NOT_FOUND && es[i].prot_id !=
- ICE_PROT_INVALID)
- first_free = i - 1;
- for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++)
- if (es[i].prot_id == ice_fd_pairs[j].prot_id &&
- es[i].off == ice_fd_pairs[j].off) {
- __set_bit(j, pair_list);
- pair_start[j] = i;
- }
- }
- orig_free = first_free;
- /* determine missing swap fields that need to be added */
- for (i = 0; i < ICE_FD_SRC_DST_PAIR_COUNT; i += 2) {
- u8 bit1 = test_bit(i + 1, pair_list);
- u8 bit0 = test_bit(i, pair_list);
- if (bit0 ^ bit1) {
- u8 index;
- /* add the appropriate 'paired' entry */
- if (!bit0)
- index = i;
- else
- index = i + 1;
- /* check for room */
- if (first_free + 1 < (s8)ice_fd_pairs[index].count)
- return -ENOSPC;
- /* place in extraction sequence */
- for (k = 0; k < ice_fd_pairs[index].count; k++) {
- es[first_free - k].prot_id =
- ice_fd_pairs[index].prot_id;
- es[first_free - k].off =
- ice_fd_pairs[index].off + (k * 2);
- if (k > first_free)
- return -EIO;
- /* keep track of non-relevant fields */
- mask_sel |= BIT(first_free - k);
- }
- pair_start[index] = first_free;
- first_free -= ice_fd_pairs[index].count;
- }
- }
- /* fill in the swap array */
- si = hw->blk[ICE_BLK_FD].es.fvw - 1;
- while (si >= 0) {
- u8 indexes_used = 1;
- /* assume flat at this index */
- #define ICE_SWAP_VALID 0x80
- used[si] = si | ICE_SWAP_VALID;
- if (orig_free == ICE_FD_FV_NOT_FOUND || si <= orig_free) {
- si -= indexes_used;
- continue;
- }
- /* check for a swap location */
- for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++)
- if (es[si].prot_id == ice_fd_pairs[j].prot_id &&
- es[si].off == ice_fd_pairs[j].off) {
- u8 idx;
- /* determine the appropriate matching field */
- idx = j + ((j % 2) ? -1 : 1);
- indexes_used = ice_fd_pairs[idx].count;
- for (k = 0; k < indexes_used; k++) {
- used[si - k] = (pair_start[idx] - k) |
- ICE_SWAP_VALID;
- }
- break;
- }
- si -= indexes_used;
- }
- /* for each set of 4 swap and 4 inset indexes, write the appropriate
- * register
- */
- for (j = 0; j < hw->blk[ICE_BLK_FD].es.fvw / 4; j++) {
- u32 raw_swap = 0;
- u32 raw_in = 0;
- for (k = 0; k < 4; k++) {
- u8 idx;
- idx = (j * 4) + k;
- if (used[idx] && !(mask_sel & BIT(idx))) {
- raw_swap |= used[idx] << (k * BITS_PER_BYTE);
- #define ICE_INSET_DFLT 0x9f
- raw_in |= ICE_INSET_DFLT << (k * BITS_PER_BYTE);
- }
- }
- /* write the appropriate swap register set */
- wr32(hw, GLQF_FDSWAP(prof_id, j), raw_swap);
- ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): %x = %08x\n",
- prof_id, j, GLQF_FDSWAP(prof_id, j), raw_swap);
- /* write the appropriate inset register set */
- wr32(hw, GLQF_FDINSET(prof_id, j), raw_in);
- ice_debug(hw, ICE_DBG_INIT, "inset wr(%d, %d): %x = %08x\n",
- prof_id, j, GLQF_FDINSET(prof_id, j), raw_in);
- }
- /* initially clear the mask select for this profile */
- ice_update_fd_mask(hw, prof_id, 0);
- 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 int
- 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 -ENOSPC;
- }
- if (!found)
- return -ENOENT;
- return 0;
- }
- /**
- * ice_disable_fd_swap - set register appropriately to disable FD SWAP
- * @hw: pointer to the HW struct
- * @prof_id: profile ID
- */
- static void
- ice_disable_fd_swap(struct ice_hw *hw, u8 prof_id)
- {
- u16 swap_val, fvw_num;
- unsigned int i;
- swap_val = ICE_SWAP_VALID;
- fvw_num = hw->blk[ICE_BLK_FD].es.fvw / ICE_FDIR_REG_SET_SIZE;
- /* Since the SWAP Flag in the Programming Desc doesn't work,
- * here add method to disable the SWAP Option via setting
- * certain SWAP and INSET register sets.
- */
- for (i = 0; i < fvw_num ; i++) {
- u32 raw_swap, raw_in;
- unsigned int j;
- raw_swap = 0;
- raw_in = 0;
- for (j = 0; j < ICE_FDIR_REG_SET_SIZE; j++) {
- raw_swap |= (swap_val++) << (j * BITS_PER_BYTE);
- raw_in |= ICE_INSET_DFLT << (j * BITS_PER_BYTE);
- }
- /* write the FDIR swap register set */
- wr32(hw, GLQF_FDSWAP(prof_id, i), raw_swap);
- ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): 0x%x = 0x%08x\n",
- prof_id, i, GLQF_FDSWAP(prof_id, i), raw_swap);
- /* write the FDIR inset register set */
- wr32(hw, GLQF_FDINSET(prof_id, i), raw_in);
- ice_debug(hw, ICE_DBG_INIT, "inset wr(%d, %d): 0x%x = 0x%08x\n",
- prof_id, i, GLQF_FDINSET(prof_id, i), raw_in);
- }
- }
- /*
- * 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
- * @symm: symmetric setting for RSS profiles
- * @fd_swap: enable/disable FDIR paired src/dst fields swap option
- *
- * 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.
- */
- int
- 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, bool symm, bool fd_swap)
- {
- u32 bytes = DIV_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE);
- DECLARE_BITMAP(ptgs_used, ICE_XLT1_CNT);
- struct ice_prof_map *prof;
- u8 byte = 0;
- u8 prof_id;
- int status;
- bitmap_zero(ptgs_used, ICE_XLT1_CNT);
- mutex_lock(&hw->blk[blk].es.prof_map_lock);
- /* search for existing profile */
- status = ice_find_prof_id_with_mask(hw, blk, es, masks, symm, &prof_id);
- if (status) {
- /* allocate profile ID */
- status = ice_alloc_prof_id(hw, blk, &prof_id);
- if (status)
- goto err_ice_add_prof;
- if (blk == ICE_BLK_FD && fd_swap) {
- /* For Flow Director block, the extraction sequence may
- * need to be altered in the case where there are paired
- * fields that have no match. This is necessary because
- * for Flow Director, src and dest fields need to paired
- * for filter programming and these values are swapped
- * during Tx.
- */
- status = ice_update_fd_swap(hw, prof_id, es);
- if (status)
- goto err_ice_add_prof;
- } else if (blk == ICE_BLK_FD) {
- ice_disable_fd_swap(hw, prof_id);
- }
- 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, symm);
- }
- ice_prof_inc_ref(hw, blk, prof_id);
- /* add profile info */
- prof = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*prof), GFP_KERNEL);
- if (!prof) {
- status = -ENOMEM;
- goto err_ice_add_prof;
- }
- prof->profile_cookie = id;
- prof->prof_id = prof_id;
- prof->ptg_cnt = 0;
- prof->context = 0;
- /* build list of ptgs */
- while (bytes && prof->ptg_cnt < ICE_MAX_PTG_PER_PROFILE) {
- u8 bit;
- if (!ptypes[byte]) {
- bytes--;
- byte++;
- continue;
- }
- /* Examine 8 bits per byte */
- for_each_set_bit(bit, (unsigned long *)&ptypes[byte],
- BITS_PER_BYTE) {
- u16 ptype;
- u8 ptg;
- ptype = byte * BITS_PER_BYTE + bit;
- /* The package should place all ptypes in a non-zero
- * PTG, so the following call should never fail.
- */
- if (ice_ptg_find_ptype(hw, blk, ptype, &ptg))
- continue;
- /* If PTG is already added, skip and continue */
- if (test_bit(ptg, ptgs_used))
- continue;
- __set_bit(ptg, ptgs_used);
- /* 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 == -ENOSPC)
- 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;
- if (++prof->ptg_cnt >=
- ICE_MAX_PTG_PER_PROFILE)
- break;
- }
- }
- bytes--;
- byte++;
- }
- list_add(&prof->list, &hw->blk[blk].es.prof_map);
- status = 0;
- err_ice_add_prof:
- mutex_unlock(&hw->blk[blk].es.prof_map_lock);
- return status;
- }
- /**
- * ice_search_prof_id - Search for a profile tracking ID
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @id: profile tracking ID
- *
- * This will search for a profile tracking ID which was previously added.
- * The profile map lock should be held before calling this function.
- */
- struct ice_prof_map *
- ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id)
- {
- struct ice_prof_map *entry = NULL;
- struct ice_prof_map *map;
- list_for_each_entry(map, &hw->blk[blk].es.prof_map, list)
- if (map->profile_cookie == id) {
- entry = map;
- break;
- }
- return entry;
- }
- /**
- * ice_vsig_prof_id_count - count profiles in a VSIG
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @vsig: VSIG to remove the profile from
- */
- static u16
- ice_vsig_prof_id_count(struct ice_hw *hw, enum ice_block blk, u16 vsig)
- {
- u16 idx = vsig & ICE_VSIG_IDX_M, count = 0;
- struct ice_vsig_prof *p;
- list_for_each_entry(p, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
- list)
- count++;
- return count;
- }
- /**
- * ice_rel_tcam_idx - release a TCAM index
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @idx: the index to release
- */
- static int ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx)
- {
- /* Masks to invoke a never match entry */
- u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
- u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFE, 0xFF, 0xFF, 0xFF, 0xFF };
- u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
- int status;
- /* write the TCAM entry */
- status = ice_tcam_write_entry(hw, blk, idx, 0, 0, 0, 0, 0, vl_msk,
- dc_msk, nm_msk);
- if (status)
- return status;
- /* release the TCAM entry */
- status = ice_free_tcam_ent(hw, blk, idx);
- return status;
- }
- /**
- * ice_rem_prof_id - remove one profile from a VSIG
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @prof: pointer to profile structure to remove
- */
- static int
- ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk,
- struct ice_vsig_prof *prof)
- {
- int status;
- u16 i;
- for (i = 0; i < prof->tcam_count; i++)
- if (prof->tcam[i].in_use) {
- prof->tcam[i].in_use = false;
- status = ice_rel_tcam_idx(hw, blk,
- prof->tcam[i].tcam_idx);
- if (status)
- return -EIO;
- }
- return 0;
- }
- /**
- * ice_rem_vsig - remove VSIG
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @vsig: the VSIG to remove
- * @chg: the change list
- */
- static int
- ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
- struct list_head *chg)
- {
- u16 idx = vsig & ICE_VSIG_IDX_M;
- struct ice_vsig_vsi *vsi_cur;
- struct ice_vsig_prof *d, *t;
- /* remove TCAM entries */
- list_for_each_entry_safe(d, t,
- &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
- list) {
- int status;
- status = ice_rem_prof_id(hw, blk, d);
- if (status)
- return status;
- list_del(&d->list);
- devm_kfree(ice_hw_to_dev(hw), d);
- }
- /* Move all VSIS associated with this VSIG to the default VSIG */
- vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi;
- /* If the VSIG has at least 1 VSI then iterate through the list
- * and remove the VSIs before deleting the group.
- */
- if (vsi_cur)
- do {
- struct ice_vsig_vsi *tmp = vsi_cur->next_vsi;
- struct ice_chs_chg *p;
- p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p),
- GFP_KERNEL);
- if (!p)
- return -ENOMEM;
- p->type = ICE_VSIG_REM;
- p->orig_vsig = vsig;
- p->vsig = ICE_DEFAULT_VSIG;
- p->vsi = vsi_cur - hw->blk[blk].xlt2.vsis;
- list_add(&p->list_entry, chg);
- vsi_cur = tmp;
- } while (vsi_cur);
- return ice_vsig_free(hw, blk, vsig);
- }
- /**
- * ice_rem_prof_id_vsig - remove a specific profile from a VSIG
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @vsig: VSIG to remove the profile from
- * @hdl: profile handle indicating which profile to remove
- * @chg: list to receive a record of changes
- */
- static int
- ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
- struct list_head *chg)
- {
- u16 idx = vsig & ICE_VSIG_IDX_M;
- struct ice_vsig_prof *p, *t;
- list_for_each_entry_safe(p, t,
- &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
- list)
- if (p->profile_cookie == hdl) {
- int status;
- if (ice_vsig_prof_id_count(hw, blk, vsig) == 1)
- /* this is the last profile, remove the VSIG */
- return ice_rem_vsig(hw, blk, vsig, chg);
- status = ice_rem_prof_id(hw, blk, p);
- if (!status) {
- list_del(&p->list);
- devm_kfree(ice_hw_to_dev(hw), p);
- }
- return status;
- }
- return -ENOENT;
- }
- /**
- * ice_rem_flow_all - remove all flows with a particular profile
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @id: profile tracking ID
- */
- static int ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id)
- {
- struct ice_chs_chg *del, *tmp;
- struct list_head chg;
- int status;
- u16 i;
- INIT_LIST_HEAD(&chg);
- for (i = 1; i < ICE_MAX_VSIGS; i++)
- if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) {
- if (ice_has_prof_vsig(hw, blk, i, id)) {
- status = ice_rem_prof_id_vsig(hw, blk, i, id,
- &chg);
- if (status)
- goto err_ice_rem_flow_all;
- }
- }
- status = ice_upd_prof_hw(hw, blk, &chg);
- err_ice_rem_flow_all:
- list_for_each_entry_safe(del, tmp, &chg, list_entry) {
- list_del(&del->list_entry);
- devm_kfree(ice_hw_to_dev(hw), del);
- }
- return status;
- }
- /**
- * ice_rem_prof - remove profile
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @id: profile tracking ID
- *
- * This will remove the profile specified by the ID parameter, which was
- * previously created through ice_add_prof. If any existing entries
- * are associated with this profile, they will be removed as well.
- */
- int ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id)
- {
- struct ice_prof_map *pmap;
- int status;
- mutex_lock(&hw->blk[blk].es.prof_map_lock);
- pmap = ice_search_prof_id(hw, blk, id);
- if (!pmap) {
- status = -ENOENT;
- goto err_ice_rem_prof;
- }
- /* remove all flows with this profile */
- status = ice_rem_flow_all(hw, blk, pmap->profile_cookie);
- if (status)
- goto err_ice_rem_prof;
- /* dereference profile, and possibly remove */
- ice_prof_dec_ref(hw, blk, pmap->prof_id);
- list_del(&pmap->list);
- devm_kfree(ice_hw_to_dev(hw), pmap);
- err_ice_rem_prof:
- mutex_unlock(&hw->blk[blk].es.prof_map_lock);
- return status;
- }
- /**
- * ice_get_prof - get profile
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @hdl: profile handle
- * @chg: change list
- */
- static int
- ice_get_prof(struct ice_hw *hw, enum ice_block blk, u64 hdl,
- struct list_head *chg)
- {
- struct ice_prof_map *map;
- struct ice_chs_chg *p;
- int status = 0;
- u16 i;
- mutex_lock(&hw->blk[blk].es.prof_map_lock);
- /* Get the details on the profile specified by the handle ID */
- map = ice_search_prof_id(hw, blk, hdl);
- if (!map) {
- status = -ENOENT;
- goto err_ice_get_prof;
- }
- for (i = 0; i < map->ptg_cnt; i++)
- if (!hw->blk[blk].es.written[map->prof_id]) {
- /* add ES to change list */
- p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p),
- GFP_KERNEL);
- if (!p) {
- status = -ENOMEM;
- goto err_ice_get_prof;
- }
- p->type = ICE_PTG_ES_ADD;
- p->ptype = 0;
- p->ptg = map->ptg[i];
- p->add_ptg = 0;
- p->add_prof = 1;
- p->prof_id = map->prof_id;
- hw->blk[blk].es.written[map->prof_id] = true;
- list_add(&p->list_entry, chg);
- }
- err_ice_get_prof:
- mutex_unlock(&hw->blk[blk].es.prof_map_lock);
- /* let caller clean up the change list */
- return status;
- }
- /**
- * ice_get_profs_vsig - get a copy of the list of profiles from a VSIG
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @vsig: VSIG from which to copy the list
- * @lst: output list
- *
- * This routine makes a copy of the list of profiles in the specified VSIG.
- */
- static int
- ice_get_profs_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig,
- struct list_head *lst)
- {
- struct ice_vsig_prof *ent1, *ent2;
- u16 idx = vsig & ICE_VSIG_IDX_M;
- list_for_each_entry(ent1, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
- list) {
- struct ice_vsig_prof *p;
- /* copy to the input list */
- p = devm_kmemdup(ice_hw_to_dev(hw), ent1, sizeof(*p),
- GFP_KERNEL);
- if (!p)
- goto err_ice_get_profs_vsig;
- list_add_tail(&p->list, lst);
- }
- return 0;
- err_ice_get_profs_vsig:
- list_for_each_entry_safe(ent1, ent2, lst, list) {
- list_del(&ent1->list);
- devm_kfree(ice_hw_to_dev(hw), ent1);
- }
- return -ENOMEM;
- }
- /**
- * ice_add_prof_to_lst - add profile entry to a list
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @lst: the list to be added to
- * @hdl: profile handle of entry to add
- */
- static int
- ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk,
- struct list_head *lst, u64 hdl)
- {
- struct ice_prof_map *map;
- struct ice_vsig_prof *p;
- int status = 0;
- u16 i;
- mutex_lock(&hw->blk[blk].es.prof_map_lock);
- map = ice_search_prof_id(hw, blk, hdl);
- if (!map) {
- status = -ENOENT;
- goto err_ice_add_prof_to_lst;
- }
- p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL);
- if (!p) {
- status = -ENOMEM;
- goto err_ice_add_prof_to_lst;
- }
- p->profile_cookie = map->profile_cookie;
- p->prof_id = map->prof_id;
- p->tcam_count = map->ptg_cnt;
- for (i = 0; i < map->ptg_cnt; i++) {
- p->tcam[i].prof_id = map->prof_id;
- p->tcam[i].tcam_idx = ICE_INVALID_TCAM;
- p->tcam[i].ptg = map->ptg[i];
- }
- list_add(&p->list, lst);
- err_ice_add_prof_to_lst:
- mutex_unlock(&hw->blk[blk].es.prof_map_lock);
- return status;
- }
- /**
- * ice_move_vsi - move VSI to another VSIG
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @vsi: the VSI to move
- * @vsig: the VSIG to move the VSI to
- * @chg: the change list
- */
- static int
- ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig,
- struct list_head *chg)
- {
- struct ice_chs_chg *p;
- u16 orig_vsig;
- int status;
- p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL);
- if (!p)
- return -ENOMEM;
- status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig);
- if (!status)
- status = ice_vsig_add_mv_vsi(hw, blk, vsi, vsig);
- if (status) {
- devm_kfree(ice_hw_to_dev(hw), p);
- return status;
- }
- p->type = ICE_VSI_MOVE;
- p->vsi = vsi;
- p->orig_vsig = orig_vsig;
- p->vsig = vsig;
- list_add(&p->list_entry, chg);
- return 0;
- }
- /**
- * ice_rem_chg_tcam_ent - remove a specific TCAM entry from change list
- * @hw: pointer to the HW struct
- * @idx: the index of the TCAM entry to remove
- * @chg: the list of change structures to search
- */
- static void
- ice_rem_chg_tcam_ent(struct ice_hw *hw, u16 idx, struct list_head *chg)
- {
- struct ice_chs_chg *pos, *tmp;
- list_for_each_entry_safe(tmp, pos, chg, list_entry)
- if (tmp->type == ICE_TCAM_ADD && tmp->tcam_idx == idx) {
- list_del(&tmp->list_entry);
- devm_kfree(ice_hw_to_dev(hw), tmp);
- }
- }
- /**
- * ice_prof_tcam_ena_dis - add enable or disable TCAM change
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @enable: true to enable, false to disable
- * @vsig: the VSIG of the TCAM entry
- * @tcam: pointer the TCAM info structure of the TCAM to disable
- * @chg: the change list
- *
- * This function appends an enable or disable TCAM entry in the change log
- */
- static int
- ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable,
- u16 vsig, struct ice_tcam_inf *tcam,
- struct list_head *chg)
- {
- struct ice_chs_chg *p;
- int status;
- u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
- u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 };
- u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
- /* if disabling, free the TCAM */
- if (!enable) {
- status = ice_rel_tcam_idx(hw, blk, tcam->tcam_idx);
- /* if we have already created a change for this TCAM entry, then
- * we need to remove that entry, in order to prevent writing to
- * a TCAM entry we no longer will have ownership of.
- */
- ice_rem_chg_tcam_ent(hw, tcam->tcam_idx, chg);
- tcam->tcam_idx = 0;
- tcam->in_use = 0;
- return status;
- }
- /* for re-enabling, reallocate a TCAM */
- /* 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;
- /* add TCAM to change list */
- p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL);
- if (!p)
- return -ENOMEM;
- status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id,
- tcam->ptg, vsig, 0, tcam->attr.flags,
- vl_msk, dc_msk, nm_msk);
- if (status)
- goto err_ice_prof_tcam_ena_dis;
- tcam->in_use = 1;
- p->type = ICE_TCAM_ADD;
- p->add_tcam_idx = true;
- p->prof_id = tcam->prof_id;
- p->ptg = tcam->ptg;
- p->vsig = 0;
- p->tcam_idx = tcam->tcam_idx;
- /* log change */
- list_add(&p->list_entry, chg);
- return 0;
- err_ice_prof_tcam_ena_dis:
- devm_kfree(ice_hw_to_dev(hw), p);
- return status;
- }
- /**
- * ice_adj_prof_priorities - adjust profile based on priorities
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @vsig: the VSIG for which to adjust profile priorities
- * @chg: the change list
- */
- static int
- ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig,
- struct list_head *chg)
- {
- DECLARE_BITMAP(ptgs_used, ICE_XLT1_CNT);
- struct ice_vsig_prof *t;
- int status;
- u16 idx;
- bitmap_zero(ptgs_used, ICE_XLT1_CNT);
- idx = vsig & ICE_VSIG_IDX_M;
- /* Priority is based on the order in which the profiles are added. The
- * newest added profile has highest priority and the oldest added
- * profile has the lowest priority. Since the profile property list for
- * a VSIG is sorted from newest to oldest, this code traverses the list
- * in order and enables the first of each PTG that it finds (that is not
- * already enabled); it also disables any duplicate PTGs that it finds
- * in the older profiles (that are currently enabled).
- */
- list_for_each_entry(t, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
- list) {
- u16 i;
- for (i = 0; i < t->tcam_count; i++) {
- /* Scan the priorities from newest to oldest.
- * Make sure that the newest profiles take priority.
- */
- if (test_bit(t->tcam[i].ptg, ptgs_used) &&
- t->tcam[i].in_use) {
- /* need to mark this PTG as never match, as it
- * was already in use and therefore duplicate
- * (and lower priority)
- */
- status = ice_prof_tcam_ena_dis(hw, blk, false,
- vsig,
- &t->tcam[i],
- chg);
- if (status)
- return status;
- } else if (!test_bit(t->tcam[i].ptg, ptgs_used) &&
- !t->tcam[i].in_use) {
- /* need to enable this PTG, as it in not in use
- * and not enabled (highest priority)
- */
- status = ice_prof_tcam_ena_dis(hw, blk, true,
- vsig,
- &t->tcam[i],
- chg);
- if (status)
- return status;
- }
- /* keep track of used ptgs */
- __set_bit(t->tcam[i].ptg, ptgs_used);
- }
- }
- return 0;
- }
- /**
- * ice_add_prof_id_vsig - add profile to VSIG
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @vsig: the VSIG to which this profile is to be added
- * @hdl: the profile handle indicating the profile to add
- * @rev: true to add entries to the end of the list
- * @chg: the change list
- */
- static int
- ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
- bool rev, struct list_head *chg)
- {
- /* Masks that ignore flags */
- u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
- u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 };
- u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
- struct ice_prof_map *map;
- struct ice_vsig_prof *t;
- struct ice_chs_chg *p;
- u16 vsig_idx, i;
- int status = 0;
- /* Error, if this VSIG already has this profile */
- if (ice_has_prof_vsig(hw, blk, vsig, hdl))
- return -EEXIST;
- /* new VSIG profile structure */
- t = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*t), GFP_KERNEL);
- if (!t)
- return -ENOMEM;
- mutex_lock(&hw->blk[blk].es.prof_map_lock);
- /* Get the details on the profile specified by the handle ID */
- map = ice_search_prof_id(hw, blk, hdl);
- if (!map) {
- status = -ENOENT;
- goto err_ice_add_prof_id_vsig;
- }
- t->profile_cookie = map->profile_cookie;
- t->prof_id = map->prof_id;
- t->tcam_count = map->ptg_cnt;
- /* create TCAM entries */
- for (i = 0; i < map->ptg_cnt; i++) {
- u16 tcam_idx;
- /* add TCAM to change list */
- p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL);
- if (!p) {
- status = -ENOMEM;
- goto err_ice_add_prof_id_vsig;
- }
- /* allocate the TCAM entry index */
- /* 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;
- }
- 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;
- p->add_tcam_idx = true;
- p->prof_id = t->tcam[i].prof_id;
- p->ptg = t->tcam[i].ptg;
- p->vsig = vsig;
- p->tcam_idx = t->tcam[i].tcam_idx;
- /* write the TCAM entry */
- status = ice_tcam_write_entry(hw, blk, t->tcam[i].tcam_idx,
- t->tcam[i].prof_id,
- t->tcam[i].ptg, vsig, 0, 0,
- vl_msk, dc_msk, nm_msk);
- if (status) {
- devm_kfree(ice_hw_to_dev(hw), p);
- goto err_ice_add_prof_id_vsig;
- }
- /* log change */
- list_add(&p->list_entry, chg);
- }
- /* add profile to VSIG */
- vsig_idx = vsig & ICE_VSIG_IDX_M;
- if (rev)
- list_add_tail(&t->list,
- &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst);
- else
- list_add(&t->list,
- &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst);
- mutex_unlock(&hw->blk[blk].es.prof_map_lock);
- return status;
- err_ice_add_prof_id_vsig:
- mutex_unlock(&hw->blk[blk].es.prof_map_lock);
- /* let caller clean up the change list */
- devm_kfree(ice_hw_to_dev(hw), t);
- return status;
- }
- /**
- * ice_create_prof_id_vsig - add a new VSIG with a single profile
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @vsi: the initial VSI that will be in VSIG
- * @hdl: the profile handle of the profile that will be added to the VSIG
- * @chg: the change list
- */
- static int
- ice_create_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl,
- struct list_head *chg)
- {
- struct ice_chs_chg *p;
- u16 new_vsig;
- int status;
- p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL);
- if (!p)
- return -ENOMEM;
- new_vsig = ice_vsig_alloc(hw, blk);
- if (!new_vsig) {
- status = -EIO;
- goto err_ice_create_prof_id_vsig;
- }
- status = ice_move_vsi(hw, blk, vsi, new_vsig, chg);
- if (status)
- goto err_ice_create_prof_id_vsig;
- status = ice_add_prof_id_vsig(hw, blk, new_vsig, hdl, false, chg);
- if (status)
- goto err_ice_create_prof_id_vsig;
- p->type = ICE_VSIG_ADD;
- p->vsi = vsi;
- p->orig_vsig = ICE_DEFAULT_VSIG;
- p->vsig = new_vsig;
- list_add(&p->list_entry, chg);
- return 0;
- err_ice_create_prof_id_vsig:
- /* let caller clean up the change list */
- devm_kfree(ice_hw_to_dev(hw), p);
- return status;
- }
- /**
- * ice_create_vsig_from_lst - create a new VSIG with a list of profiles
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @vsi: the initial VSI that will be in VSIG
- * @lst: the list of profile that will be added to the VSIG
- * @new_vsig: return of new VSIG
- * @chg: the change list
- */
- static int
- ice_create_vsig_from_lst(struct ice_hw *hw, enum ice_block blk, u16 vsi,
- struct list_head *lst, u16 *new_vsig,
- struct list_head *chg)
- {
- struct ice_vsig_prof *t;
- int status;
- u16 vsig;
- vsig = ice_vsig_alloc(hw, blk);
- if (!vsig)
- return -EIO;
- status = ice_move_vsi(hw, blk, vsi, vsig, chg);
- if (status)
- return status;
- list_for_each_entry(t, lst, list) {
- /* Reverse the order here since we are copying the list */
- status = ice_add_prof_id_vsig(hw, blk, vsig, t->profile_cookie,
- true, chg);
- if (status)
- return status;
- }
- *new_vsig = vsig;
- return 0;
- }
- /**
- * ice_find_prof_vsig - find a VSIG with a specific profile handle
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @hdl: the profile handle of the profile to search for
- * @vsig: returns the VSIG with the matching profile
- */
- static bool
- ice_find_prof_vsig(struct ice_hw *hw, enum ice_block blk, u64 hdl, u16 *vsig)
- {
- struct ice_vsig_prof *t;
- struct list_head lst;
- int status;
- INIT_LIST_HEAD(&lst);
- t = kzalloc(sizeof(*t), GFP_KERNEL);
- if (!t)
- return false;
- t->profile_cookie = hdl;
- list_add(&t->list, &lst);
- status = ice_find_dup_props_vsig(hw, blk, &lst, vsig);
- list_del(&t->list);
- kfree(t);
- return !status;
- }
- /**
- * ice_add_prof_id_flow - add profile flow
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @vsi: the VSI to enable with the profile specified by ID
- * @hdl: profile handle
- *
- * Calling this function will update the hardware tables to enable the
- * profile indicated by the ID parameter for the VSIs specified in the VSI
- * array. Once successfully called, the flow will be enabled.
- */
- int
- ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
- {
- struct ice_vsig_prof *tmp1, *del1;
- struct ice_chs_chg *tmp, *del;
- struct list_head union_lst;
- struct list_head chg;
- int status;
- u16 vsig;
- INIT_LIST_HEAD(&union_lst);
- INIT_LIST_HEAD(&chg);
- /* Get profile */
- status = ice_get_prof(hw, blk, hdl, &chg);
- if (status)
- return status;
- /* determine if VSI is already part of a VSIG */
- status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
- if (!status && vsig) {
- bool only_vsi;
- u16 or_vsig;
- u16 ref;
- /* found in VSIG */
- or_vsig = vsig;
- /* make sure that there is no overlap/conflict between the new
- * characteristics and the existing ones; we don't support that
- * scenario
- */
- if (ice_has_prof_vsig(hw, blk, vsig, hdl)) {
- status = -EEXIST;
- goto err_ice_add_prof_id_flow;
- }
- /* last VSI in the VSIG? */
- status = ice_vsig_get_ref(hw, blk, vsig, &ref);
- if (status)
- goto err_ice_add_prof_id_flow;
- only_vsi = (ref == 1);
- /* create a union of the current profiles and the one being
- * added
- */
- status = ice_get_profs_vsig(hw, blk, vsig, &union_lst);
- if (status)
- goto err_ice_add_prof_id_flow;
- status = ice_add_prof_to_lst(hw, blk, &union_lst, hdl);
- if (status)
- goto err_ice_add_prof_id_flow;
- /* search for an existing VSIG with an exact charc match */
- status = ice_find_dup_props_vsig(hw, blk, &union_lst, &vsig);
- if (!status) {
- /* move VSI to the VSIG that matches */
- status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
- if (status)
- goto err_ice_add_prof_id_flow;
- /* VSI has been moved out of or_vsig. If the or_vsig had
- * only that VSI it is now empty and can be removed.
- */
- if (only_vsi) {
- status = ice_rem_vsig(hw, blk, or_vsig, &chg);
- if (status)
- goto err_ice_add_prof_id_flow;
- }
- } else if (only_vsi) {
- /* If the original VSIG only contains one VSI, then it
- * will be the requesting VSI. In this case the VSI is
- * not sharing entries and we can simply add the new
- * profile to the VSIG.
- */
- status = ice_add_prof_id_vsig(hw, blk, vsig, hdl, false,
- &chg);
- if (status)
- goto err_ice_add_prof_id_flow;
- /* Adjust priorities */
- status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
- if (status)
- goto err_ice_add_prof_id_flow;
- } else {
- /* No match, so we need a new VSIG */
- status = ice_create_vsig_from_lst(hw, blk, vsi,
- &union_lst, &vsig,
- &chg);
- if (status)
- goto err_ice_add_prof_id_flow;
- /* Adjust priorities */
- status = ice_adj_prof_priorities(hw, blk, vsig, &chg);
- if (status)
- goto err_ice_add_prof_id_flow;
- }
- } else {
- /* need to find or add a VSIG */
- /* search for an existing VSIG with an exact charc match */
- if (ice_find_prof_vsig(hw, blk, hdl, &vsig)) {
- /* found an exact match */
- /* add or move VSI to the VSIG that matches */
- status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
- if (status)
- goto err_ice_add_prof_id_flow;
- } else {
- /* we did not find an exact match */
- /* we need to add a VSIG */
- status = ice_create_prof_id_vsig(hw, blk, vsi, hdl,
- &chg);
- if (status)
- goto err_ice_add_prof_id_flow;
- }
- }
- /* update hardware */
- if (!status)
- status = ice_upd_prof_hw(hw, blk, &chg);
- err_ice_add_prof_id_flow:
- list_for_each_entry_safe(del, tmp, &chg, list_entry) {
- list_del(&del->list_entry);
- devm_kfree(ice_hw_to_dev(hw), del);
- }
- list_for_each_entry_safe(del1, tmp1, &union_lst, list) {
- list_del(&del1->list);
- devm_kfree(ice_hw_to_dev(hw), del1);
- }
- return status;
- }
- /**
- * ice_flow_assoc_fdir_prof - add an FDIR profile for main/ctrl VSI
- * @hw: pointer to the HW struct
- * @blk: HW block
- * @dest_vsi: dest VSI
- * @fdir_vsi: fdir programming VSI
- * @hdl: profile handle
- *
- * Update the hardware tables to enable the FDIR profile indicated by @hdl for
- * the VSI specified by @dest_vsi. On success, the flow will be enabled.
- *
- * Return: 0 on success or negative errno on failure.
- */
- int
- ice_flow_assoc_fdir_prof(struct ice_hw *hw, enum ice_block blk,
- u16 dest_vsi, u16 fdir_vsi, u64 hdl)
- {
- u16 vsi_num;
- int status;
- if (blk != ICE_BLK_FD)
- return -EINVAL;
- vsi_num = ice_get_hw_vsi_num(hw, dest_vsi);
- status = ice_add_prof_id_flow(hw, blk, vsi_num, hdl);
- if (status) {
- ice_debug(hw, ICE_DBG_FLOW, "Adding HW profile failed for main VSI flow entry: %d\n",
- status);
- return status;
- }
- vsi_num = ice_get_hw_vsi_num(hw, fdir_vsi);
- status = ice_add_prof_id_flow(hw, blk, vsi_num, hdl);
- if (status) {
- ice_debug(hw, ICE_DBG_FLOW, "Adding HW profile failed for ctrl VSI flow entry: %d\n",
- status);
- goto err;
- }
- return 0;
- err:
- vsi_num = ice_get_hw_vsi_num(hw, dest_vsi);
- ice_rem_prof_id_flow(hw, blk, vsi_num, hdl);
- return status;
- }
- /**
- * ice_rem_prof_from_list - remove a profile from list
- * @hw: pointer to the HW struct
- * @lst: list to remove the profile from
- * @hdl: the profile handle indicating the profile to remove
- */
- static int
- ice_rem_prof_from_list(struct ice_hw *hw, struct list_head *lst, u64 hdl)
- {
- struct ice_vsig_prof *ent, *tmp;
- list_for_each_entry_safe(ent, tmp, lst, list)
- if (ent->profile_cookie == hdl) {
- list_del(&ent->list);
- devm_kfree(ice_hw_to_dev(hw), ent);
- return 0;
- }
- return -ENOENT;
- }
- /**
- * ice_rem_prof_id_flow - remove flow
- * @hw: pointer to the HW struct
- * @blk: hardware block
- * @vsi: the VSI from which to remove the profile specified by ID
- * @hdl: profile tracking handle
- *
- * Calling this function will update the hardware tables to remove the
- * profile indicated by the ID parameter for the VSIs specified in the VSI
- * array. Once successfully called, the flow will be disabled.
- */
- int
- ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl)
- {
- struct ice_vsig_prof *tmp1, *del1;
- struct ice_chs_chg *tmp, *del;
- struct list_head chg, copy;
- int status;
- u16 vsig;
- INIT_LIST_HEAD(©);
- INIT_LIST_HEAD(&chg);
- /* determine if VSI is already part of a VSIG */
- status = ice_vsig_find_vsi(hw, blk, vsi, &vsig);
- if (!status && vsig) {
- bool last_profile;
- bool only_vsi;
- u16 ref;
- /* found in VSIG */
- last_profile = ice_vsig_prof_id_count(hw, blk, vsig) == 1;
- status = ice_vsig_get_ref(hw, blk, vsig, &ref);
- if (status)
- goto err_ice_rem_prof_id_flow;
- only_vsi = (ref == 1);
- if (only_vsi) {
- /* If the original VSIG only contains one reference,
- * which will be the requesting VSI, then the VSI is not
- * sharing entries and we can simply remove the specific
- * characteristics from the VSIG.
- */
- if (last_profile) {
- /* If there are no profiles left for this VSIG,
- * then simply remove the VSIG.
- */
- status = ice_rem_vsig(hw, blk, vsig, &chg);
- if (status)
- goto err_ice_rem_prof_id_flow;
- } else {
- status = ice_rem_prof_id_vsig(hw, blk, vsig,
- hdl, &chg);
- if (status)
- goto err_ice_rem_prof_id_flow;
- /* Adjust priorities */
- status = ice_adj_prof_priorities(hw, blk, vsig,
- &chg);
- if (status)
- goto err_ice_rem_prof_id_flow;
- }
- } else {
- /* Make a copy of the VSIG's list of Profiles */
- status = ice_get_profs_vsig(hw, blk, vsig, ©);
- if (status)
- goto err_ice_rem_prof_id_flow;
- /* Remove specified profile entry from the list */
- status = ice_rem_prof_from_list(hw, ©, hdl);
- if (status)
- goto err_ice_rem_prof_id_flow;
- if (list_empty(©)) {
- status = ice_move_vsi(hw, blk, vsi,
- ICE_DEFAULT_VSIG, &chg);
- if (status)
- goto err_ice_rem_prof_id_flow;
- } else if (!ice_find_dup_props_vsig(hw, blk, ©,
- &vsig)) {
- /* found an exact match */
- /* add or move VSI to the VSIG that matches */
- /* Search for a VSIG with a matching profile
- * list
- */
- /* Found match, move VSI to the matching VSIG */
- status = ice_move_vsi(hw, blk, vsi, vsig, &chg);
- if (status)
- goto err_ice_rem_prof_id_flow;
- } else {
- /* since no existing VSIG supports this
- * characteristic pattern, we need to create a
- * new VSIG and TCAM entries
- */
- status = ice_create_vsig_from_lst(hw, blk, vsi,
- ©, &vsig,
- &chg);
- if (status)
- goto err_ice_rem_prof_id_flow;
- /* Adjust priorities */
- status = ice_adj_prof_priorities(hw, blk, vsig,
- &chg);
- if (status)
- goto err_ice_rem_prof_id_flow;
- }
- }
- } else {
- status = -ENOENT;
- }
- /* update hardware tables */
- if (!status)
- status = ice_upd_prof_hw(hw, blk, &chg);
- err_ice_rem_prof_id_flow:
- list_for_each_entry_safe(del, tmp, &chg, list_entry) {
- list_del(&del->list_entry);
- devm_kfree(ice_hw_to_dev(hw), del);
- }
- list_for_each_entry_safe(del1, tmp1, ©, list) {
- list_del(&del1->list);
- devm_kfree(ice_hw_to_dev(hw), del1);
- }
- return status;
- }
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