ice: Populate TCAM filter software structures

Store the TCAM entry with the profile data and the VSI group in the
respective SW structures. This will be subsequently used to write out
the tables to hardware.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/ice/ice_adminq_cmd.h

@@ -233,6 +233,7 @@ struct ice_aqc_get_sw_cfg_resp {
 #define ICE_AQC_RES_TYPE_VSI_LIST_REP			0x03
 #define ICE_AQC_RES_TYPE_VSI_LIST_PRUNE			0x04
 #define ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID		0x60
+#define ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM		0x61
 
 #define ICE_AQC_RES_TYPE_FLAG_SCAN_BOTTOM		BIT(12)
 #define ICE_AQC_RES_TYPE_FLAG_IGNORE_INDEX		BIT(13)

drivers/net/ethernet/intel/ice/ice_common.c

@@ -1572,6 +1572,39 @@ ice_alloc_hw_res(struct ice_hw *hw, u16 type, u16 num, bool btm, u16 *res)
 	return status;
 }
 
+/**
+ * ice_free_hw_res - free allocated HW resource
+ * @hw: pointer to the HW struct
+ * @type: type of resource to free
+ * @num: number of resources
+ * @res: pointer to array that contains the resources to free
+ */
+enum ice_status
+ice_free_hw_res(struct ice_hw *hw, u16 type, u16 num, u16 *res)
+{
+	struct ice_aqc_alloc_free_res_elem *buf;
+	enum ice_status status;
+	u16 buf_len;
+
+	buf_len = struct_size(buf, elem, num - 1);
+	buf = kzalloc(buf_len, GFP_KERNEL);
+	if (!buf)
+		return ICE_ERR_NO_MEMORY;
+
+	/* Prepare buffer to free resource. */
+	buf->num_elems = cpu_to_le16(num);
+	buf->res_type = cpu_to_le16(type);
+	memcpy(buf->elem, res, sizeof(buf->elem) * num);
+
+	status = ice_aq_alloc_free_res(hw, num, buf, buf_len,
+				       ice_aqc_opc_free_res, NULL);
+	if (status)
+		ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n");
+
+	kfree(buf);
+	return status;
+}
+
 /**
  * ice_get_num_per_func - determine number of resources per PF
  * @hw: pointer to the HW structure

drivers/net/ethernet/intel/ice/ice_common.h

@@ -36,6 +36,8 @@ ice_acquire_res(struct ice_hw *hw, enum ice_aq_res_ids res,
 void ice_release_res(struct ice_hw *hw, enum ice_aq_res_ids res);
 enum ice_status
 ice_alloc_hw_res(struct ice_hw *hw, u16 type, u16 num, bool btm, u16 *res);
+enum ice_status
+ice_free_hw_res(struct ice_hw *hw, u16 type, u16 num, u16 *res);
 enum ice_status ice_init_nvm(struct ice_hw *hw);
 enum ice_status
 ice_read_sr_buf(struct ice_hw *hw, u16 offset, u16 *words, u16 *data);

drivers/net/ethernet/intel/ice/ice_flex_pipe.c

@@ -159,6 +159,176 @@ ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
 	return state->sect;
 }
 
+/* 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 enum ice_status
+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 ICE_ERR_CFG;
+
+	*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 --> udp 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 enum ice_status
+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 ICE_ERR_CFG;
+
+	half_size = size / 2;
+	if (off + len > half_size)
+		return ICE_ERR_CFG;
+
+	/* 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 ICE_ERR_CFG;
+
+	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 ICE_ERR_CFG;
+
+	return 0;
+}
+
 /**
  * ice_acquire_global_cfg_lock
  * @hw: pointer to the HW structure
@@ -952,6 +1122,48 @@ enum ice_sid_all {
 	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 */
 
 /**
@@ -999,6 +1211,117 @@ static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig)
 	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 enum ice_status
+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 ICE_ERR_DOES_NOT_EXIST;
+}
+
+/**
+ * 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 enum ice_status
+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 ICE_ERR_PARAM;
+
+	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
+		return ICE_ERR_DOES_NOT_EXIST;
+
+	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
@@ -1162,6 +1485,62 @@ static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type)
 	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_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
+ * @tcam_idx: pointer to variable to receive the TCAM entry
+ *
+ * This function allocates a new entry in a Profile ID TCAM for a specific
+ * block.
+ */
+static enum ice_status
+ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 *tcam_idx)
+{
+	u16 res_type;
+
+	if (!ice_tcam_ent_rsrc_type(blk, &res_type))
+		return ICE_ERR_PARAM;
+
+	return ice_alloc_hw_res(hw, res_type, 1, true, tcam_idx);
+}
+
+/**
+ * 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 enum ice_status
+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 ICE_ERR_PARAM;
+
+	return ice_free_hw_res(hw, res_type, 1, &tcam_idx);
+}
+
 /**
  * ice_alloc_prof_id - allocate profile ID
  * @hw: pointer to the HW struct
@@ -1688,6 +2067,146 @@ enum ice_status ice_init_hw_tbls(struct ice_hw *hw)
 	return ICE_ERR_NO_MEMORY;
 }
 
+/**
+ * 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 enum ice_status
+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 enum ice_status
+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;
+	enum ice_status 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 enum ice_status
+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 ICE_ERR_DOES_NOT_EXIST;
+
+	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_add_prof - add profile
  * @hw: pointer to the HW struct
@@ -1792,3 +2311,802 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
 	mutex_unlock(&hw->blk[blk].es.prof_map_lock);
 	return status;
 }
+
+/**
+ * ice_search_prof_id_low - Search for a profile tracking ID low level
+ * @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. This
+ * version assumes that the caller has already acquired the prof map lock.
+ */
+static struct ice_prof_map *
+ice_search_prof_id_low(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_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.
+ */
+static struct ice_prof_map *
+ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id)
+{
+	struct ice_prof_map *entry;
+
+	mutex_lock(&hw->blk[blk].es.prof_map_lock);
+	entry = ice_search_prof_id_low(hw, blk, id);
+	mutex_unlock(&hw->blk[blk].es.prof_map_lock);
+
+	return entry;
+}
+
+/**
+ * ice_rel_tcam_idx - release a TCAM index
+ * @hw: pointer to the HW struct
+ * @blk: hardware block
+ * @idx: the index to release
+ */
+static enum ice_status
+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 };
+	enum ice_status 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 enum ice_status
+ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk,
+		struct ice_vsig_prof *prof)
+{
+	enum ice_status 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 ICE_ERR_HW_TABLE;
+		}
+
+	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 enum ice_status
+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;
+	enum ice_status status;
+
+	/* remove TCAM entries */
+	list_for_each_entry_safe(d, t,
+				 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
+				 list) {
+		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 ICE_ERR_NO_MEMORY;
+
+			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_get_prof - get profile
+ * @hw: pointer to the HW struct
+ * @blk: hardware block
+ * @hdl: profile handle
+ * @chg: change list
+ */
+static enum ice_status
+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;
+	u16 i;
+
+	/* Get the details on the profile specified by the handle ID */
+	map = ice_search_prof_id(hw, blk, hdl);
+	if (!map)
+		return ICE_ERR_DOES_NOT_EXIST;
+
+	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)
+				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);
+		}
+
+	return 0;
+
+err_ice_get_prof:
+	/* let caller clean up the change list */
+	return ICE_ERR_NO_MEMORY;
+}
+
+/**
+ * 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 enum ice_status
+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 ICE_ERR_NO_MEMORY;
+}
+
+/**
+ * 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 enum ice_status
+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;
+	u16 i;
+
+	map = ice_search_prof_id(hw, blk, hdl);
+	if (!map)
+		return ICE_ERR_DOES_NOT_EXIST;
+
+	p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL);
+	if (!p)
+		return ICE_ERR_NO_MEMORY;
+
+	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);
+
+	return 0;
+}
+
+/**
+ * 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 enum ice_status
+ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig,
+	     struct list_head *chg)
+{
+	enum ice_status status;
+	struct ice_chs_chg *p;
+	u16 orig_vsig;
+
+	p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL);
+	if (!p)
+		return ICE_ERR_NO_MEMORY;
+
+	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_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 enum ice_status
+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)
+{
+	enum ice_status status;
+	struct ice_chs_chg *p;
+
+	/* Default: enable means change the low flag bit to don't care */
+	u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
+	u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 };
+	u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 };
+
+	/* if disabling, free the TCAM */
+	if (!enable) {
+		status = ice_free_tcam_ent(hw, blk, tcam->tcam_idx);
+		tcam->tcam_idx = 0;
+		tcam->in_use = 0;
+		return status;
+	}
+
+	/* for re-enabling, reallocate a TCAM */
+	status = ice_alloc_tcam_ent(hw, blk, &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 ICE_ERR_NO_MEMORY;
+
+	status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id,
+				      tcam->ptg, vsig, 0, 0, vl_msk, dc_msk,
+				      nm_msk);
+	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 enum ice_status
+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;
+	enum ice_status 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
+ * @chg: the change list
+ */
+static enum ice_status
+ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
+		     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 i;
+
+	/* Get the details on the profile specified by the handle ID */
+	map = ice_search_prof_id(hw, blk, hdl);
+	if (!map)
+		return ICE_ERR_DOES_NOT_EXIST;
+
+	/* Error, if this VSIG already has this profile */
+	if (ice_has_prof_vsig(hw, blk, vsig, hdl))
+		return ICE_ERR_ALREADY_EXISTS;
+
+	/* new VSIG profile structure */
+	t = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*t), GFP_KERNEL);
+	if (!t)
+		return ICE_ERR_NO_MEMORY;
+
+	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++) {
+		enum ice_status status;
+		u16 tcam_idx;
+
+		/* add TCAM to change list */
+		p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL);
+		if (!p)
+			goto err_ice_add_prof_id_vsig;
+
+		/* allocate the TCAM entry index */
+		status = ice_alloc_tcam_ent(hw, blk, &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].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)
+			goto err_ice_add_prof_id_vsig;
+
+		/* log change */
+		list_add(&p->list_entry, chg);
+	}
+
+	/* add profile to VSIG */
+	list_add(&t->list,
+		 &hw->blk[blk].xlt2.vsig_tbl[(vsig & ICE_VSIG_IDX_M)].prop_lst);
+
+	return 0;
+
+err_ice_add_prof_id_vsig:
+	/* let caller clean up the change list */
+	devm_kfree(ice_hw_to_dev(hw), t);
+	return ICE_ERR_NO_MEMORY;
+}
+
+/**
+ * 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 enum ice_status
+ice_create_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl,
+			struct list_head *chg)
+{
+	enum ice_status status;
+	struct ice_chs_chg *p;
+	u16 new_vsig;
+
+	p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL);
+	if (!p)
+		return ICE_ERR_NO_MEMORY;
+
+	new_vsig = ice_vsig_alloc(hw, blk);
+	if (!new_vsig) {
+		status = ICE_ERR_HW_TABLE;
+		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, 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
+ * @chg: the change list
+ */
+static enum ice_status
+ice_create_vsig_from_lst(struct ice_hw *hw, enum ice_block blk, u16 vsi,
+			 struct list_head *lst, struct list_head *chg)
+{
+	struct ice_vsig_prof *t;
+	enum ice_status status;
+	u16 vsig;
+
+	vsig = ice_vsig_alloc(hw, blk);
+	if (!vsig)
+		return ICE_ERR_HW_TABLE;
+
+	status = ice_move_vsi(hw, blk, vsi, vsig, chg);
+	if (status)
+		return status;
+
+	list_for_each_entry(t, lst, list) {
+		status = ice_add_prof_id_vsig(hw, blk, vsig, t->profile_cookie,
+					      chg);
+		if (status)
+			return status;
+	}
+
+	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;
+	enum ice_status status;
+	struct list_head lst;
+
+	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.
+ */
+enum ice_status
+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;
+	enum ice_status status;
+	struct list_head chg;
+	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 = ICE_ERR_ALREADY_EXISTS;
+			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, &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, &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;
+		}
+	}
+
+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;
+}

drivers/net/ethernet/intel/ice/ice_flex_pipe.h

@@ -21,6 +21,8 @@
 enum ice_status
 ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
 	     struct ice_fv_word *es);
+enum ice_status
+ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl);
 enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buff, u32 len);
 enum ice_status
 ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len);

drivers/net/ethernet/intel/ice/ice_flex_type.h

@@ -283,6 +283,7 @@ struct ice_ptg_ptype {
 	u8 ptg;
 };
 
+#define ICE_MAX_TCAM_PER_PROFILE	32
 #define ICE_MAX_PTG_PER_PROFILE		32
 
 struct ice_prof_map {
@@ -294,6 +295,23 @@ struct ice_prof_map {
 	u8 ptg[ICE_MAX_PTG_PER_PROFILE];
 };
 
+#define ICE_INVALID_TCAM	0xFFFF
+
+struct ice_tcam_inf {
+	u16 tcam_idx;
+	u8 ptg;
+	u8 prof_id;
+	u8 in_use;
+};
+
+struct ice_vsig_prof {
+	struct list_head list;
+	u64 profile_cookie;
+	u8 prof_id;
+	u8 tcam_count;
+	struct ice_tcam_inf tcam[ICE_MAX_TCAM_PER_PROFILE];
+};
+
 struct ice_vsig_entry {
 	struct list_head prop_lst;
 	struct ice_vsig_vsi *first_vsi;
@@ -343,6 +361,13 @@ struct ice_xlt2 {
 	u16 count;
 };
 
+/* Profile ID Management */
+struct ice_prof_id_key {
+	__le16 flags;
+	u8 xlt1;
+	__le16 xlt2_cdid;
+} __packed;
+
 /* Keys are made up of two values, each one-half the size of the key.
  * For TCAM, the entire key is 80 bits wide (or 2, 40-bit wide values)
  */
@@ -385,5 +410,31 @@ struct ice_blk_info {
 	u8 is_list_init;
 };
 
+enum ice_chg_type {
+	ICE_TCAM_NONE = 0,
+	ICE_PTG_ES_ADD,
+	ICE_TCAM_ADD,
+	ICE_VSIG_ADD,
+	ICE_VSIG_REM,
+	ICE_VSI_MOVE,
+};
+
+struct ice_chs_chg {
+	struct list_head list_entry;
+	enum ice_chg_type type;
+
+	u8 add_ptg;
+	u8 add_vsig;
+	u8 add_tcam_idx;
+	u8 add_prof;
+	u16 ptype;
+	u8 ptg;
+	u8 prof_id;
+	u16 vsi;
+	u16 vsig;
+	u16 orig_vsig;
+	u16 tcam_idx;
+};
+
 #define ICE_FLOW_PTYPE_MAX		ICE_XLT1_CNT
 #endif /* _ICE_FLEX_TYPE_H_ */

drivers/net/ethernet/intel/ice/ice_flow.c

@@ -450,6 +450,38 @@ ice_flow_add_prof_sync(struct ice_hw *hw, enum ice_block blk,
 	return status;
 }
 
+/**
+ * ice_flow_assoc_prof - associate a VSI with a flow profile
+ * @hw: pointer to the hardware structure
+ * @blk: classification stage
+ * @prof: pointer to flow profile
+ * @vsi_handle: software VSI handle
+ *
+ * Assumption: the caller has acquired the lock to the profile list
+ * and the software VSI handle has been validated
+ */
+static enum ice_status
+ice_flow_assoc_prof(struct ice_hw *hw, enum ice_block blk,
+		    struct ice_flow_prof *prof, u16 vsi_handle)
+{
+	enum ice_status status = 0;
+
+	if (!test_bit(vsi_handle, prof->vsis)) {
+		status = ice_add_prof_id_flow(hw, blk,
+					      ice_get_hw_vsi_num(hw,
+								 vsi_handle),
+					      prof->id);
+		if (!status)
+			set_bit(vsi_handle, prof->vsis);
+		else
+			ice_debug(hw, ICE_DBG_FLOW,
+				  "HW profile add failed, %d\n",
+				  status);
+	}
+
+	return status;
+}
+
 /**
  * ice_flow_add_prof - Add a flow profile for packet segments and matched fields
  * @hw: pointer to the HW struct
@@ -458,12 +490,13 @@ ice_flow_add_prof_sync(struct ice_hw *hw, enum ice_block blk,
  * @prof_id: unique ID to identify this flow profile
  * @segs: array of one or more packet segments that describe the flow
  * @segs_cnt: number of packet segments provided
+ * @prof: stores the returned flow profile added
  */
 static enum ice_status
 ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
-		  u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt)
+		  u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt,
+		  struct ice_flow_prof **prof)
 {
-	struct ice_flow_prof *prof = NULL;
 	enum ice_status status;
 
 	if (segs_cnt > ICE_FLOW_SEG_MAX)
@@ -482,9 +515,9 @@ ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
 	mutex_lock(&hw->fl_profs_locks[blk]);
 
 	status = ice_flow_add_prof_sync(hw, blk, dir, prof_id, segs, segs_cnt,
-					&prof);
+					prof);
 	if (!status)
-		list_add(&prof->l_entry, &hw->fl_profs[blk]);
+		list_add(&(*prof)->l_entry, &hw->fl_profs[blk]);
 
 	mutex_unlock(&hw->fl_profs_locks[blk]);
 
@@ -634,6 +667,7 @@ ice_flow_set_rss_seg_info(struct ice_flow_seg_info *segs, u64 hash_fields,
 /**
  * ice_add_rss_cfg_sync - add an RSS configuration
  * @hw: pointer to the hardware structure
+ * @vsi_handle: software VSI handle
  * @hashed_flds: hash bit fields (ICE_FLOW_HASH_*) to configure
  * @addl_hdrs: protocol header fields
  * @segs_cnt: packet segment count
@@ -641,9 +675,11 @@ ice_flow_set_rss_seg_info(struct ice_flow_seg_info *segs, u64 hash_fields,
  * Assumption: lock has already been acquired for RSS list
  */
 static enum ice_status
-ice_add_rss_cfg_sync(struct ice_hw *hw, u64 hashed_flds, u32 addl_hdrs,
-		     u8 segs_cnt)
+ice_add_rss_cfg_sync(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
+		     u32 addl_hdrs, u8 segs_cnt)
 {
+	const enum ice_block blk = ICE_BLK_RSS;
+	struct ice_flow_prof *prof = NULL;
 	struct ice_flow_seg_info *segs;
 	enum ice_status status;
 
@@ -663,11 +699,15 @@ ice_add_rss_cfg_sync(struct ice_hw *hw, u64 hashed_flds, u32 addl_hdrs,
 	/* Create a new flow profile with generated profile and packet
 	 * segment information.
 	 */
-	status = ice_flow_add_prof(hw, ICE_BLK_RSS, ICE_FLOW_RX,
+	status = ice_flow_add_prof(hw, blk, ICE_FLOW_RX,
 				   ICE_FLOW_GEN_PROFID(hashed_flds,
 						       segs[segs_cnt - 1].hdrs,
 						       segs_cnt),
-				   segs, segs_cnt);
+				   segs, segs_cnt, &prof);
+	if (status)
+		goto exit;
+
+	status = ice_flow_assoc_prof(hw, blk, prof, vsi_handle);
 
 exit:
 	kfree(segs);
@@ -696,7 +736,7 @@ ice_add_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
 		return ICE_ERR_PARAM;
 
 	mutex_lock(&hw->rss_locks);
-	status = ice_add_rss_cfg_sync(hw, hashed_flds, addl_hdrs,
+	status = ice_add_rss_cfg_sync(hw, vsi_handle, hashed_flds, addl_hdrs,
 				      ICE_RSS_OUTER_HEADERS);
 	mutex_unlock(&hw->rss_locks);
 
@@ -719,7 +759,8 @@ enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle)
 	mutex_lock(&hw->rss_locks);
 	list_for_each_entry(r, &hw->rss_list_head, l_entry) {
 		if (test_bit(vsi_handle, r->vsis)) {
-			status = ice_add_rss_cfg_sync(hw, r->hashed_flds,
+			status = ice_add_rss_cfg_sync(hw, vsi_handle,
+						      r->hashed_flds,
 						      r->packet_hdr,
 						      ICE_RSS_OUTER_HEADERS);
 			if (status)

drivers/net/ethernet/intel/ice/ice_status.h

@@ -26,6 +26,7 @@ enum ice_status {
 	ICE_ERR_IN_USE				= -16,
 	ICE_ERR_MAX_LIMIT			= -17,
 	ICE_ERR_RESET_ONGOING			= -18,
+	ICE_ERR_HW_TABLE			= -19,
 	ICE_ERR_NVM_CHECKSUM			= -51,
 	ICE_ERR_BUF_TOO_SHORT			= -52,
 	ICE_ERR_NVM_BLANK_MODE			= -53,