text: // SPDX-License-Identifier: GPL-2.0
  /* Copyright (c) 2019, Intel Corporation. */
  
  #include "ice_common.h"
  #include "ice_flex_pipe.h"
  #include "ice_flow.h"
  
  /* To support tunneling entries by PF, the package will append the PF number to
   * the label; for example TNL_VXLAN_PF0, TNL_VXLAN_PF1, TNL_VXLAN_PF2, etc.
   */
  static const struct ice_tunnel_type_scan tnls[] = {
  	{ TNL_VXLAN,		"TNL_VXLAN_PF" },
  	{ TNL_GENEVE,		"TNL_GENEVE_PF" },
  	{ TNL_LAST,		"" }
  };
  
  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_pkg_val_buf
   * @buf: pointer to the ice buffer
   *
   * This helper function validates a buffer's header.
   */
  static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf)
  {
  	struct ice_buf_hdr *hdr;
  	u16 section_count;
  	u16 data_end;
  
  	hdr = (struct ice_buf_hdr *)buf->buf;
  	/* verify data */
  	section_count = le16_to_cpu(hdr->section_count);
  	if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT)
  		return NULL;
  
  	data_end = le16_to_cpu(hdr->data_end);
  	if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END)
  		return NULL;
  
  	return hdr;
  }
  
  /**
   * ice_find_buf_table
   * @ice_seg: pointer to the ice segment
   *
   * Returns the address of the buffer table within the ice segment.
   */
  static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg)
  {
  	struct ice_nvm_table *nvms;
  
  	nvms = (struct ice_nvm_table *)
  		(ice_seg->device_table +
  		 le32_to_cpu(ice_seg->device_table_count));
  
  	return (__force struct ice_buf_table *)
  		(nvms->vers + le32_to_cpu(nvms->table_count));
  }
  
  /**
   * ice_pkg_enum_buf
   * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
   * @state: pointer to the enum state
   *
   * This function will enumerate all the buffers in the ice segment. The first
   * call is made with the ice_seg parameter non-NULL; on subsequent calls,
   * ice_seg is set to NULL which continues the enumeration. When the function
   * returns a NULL pointer, then the end of the buffers has been reached, or an
   * unexpected value has been detected (for example an invalid section count or
   * an invalid buffer end value).
   */
  static struct ice_buf_hdr *
  ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
  {
  	if (ice_seg) {
  		state->buf_table = ice_find_buf_table(ice_seg);
  		if (!state->buf_table)
  			return NULL;
  
  		state->buf_idx = 0;
  		return ice_pkg_val_buf(state->buf_table->buf_array);
  	}
  
  	if (++state->buf_idx < le32_to_cpu(state->buf_table->buf_count))
  		return ice_pkg_val_buf(state->buf_table->buf_array +
  				       state->buf_idx);
  	else
  		return NULL;
  }
  
  /**
   * ice_pkg_advance_sect
   * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
   * @state: pointer to the enum state
   *
   * This helper function will advance the section within the ice segment,
   * also advancing the buffer if needed.
   */
  static bool
  ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state)
  {
  	if (!ice_seg && !state->buf)
  		return false;
  
  	if (!ice_seg && state->buf)
  		if (++state->sect_idx < le16_to_cpu(state->buf->section_count))
  			return true;
  
  	state->buf = ice_pkg_enum_buf(ice_seg, state);
  	if (!state->buf)
  		return false;
  
  	/* start of new buffer, reset section index */
  	state->sect_idx = 0;
  	return true;
  }
  
  /**
   * ice_pkg_enum_section
   * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
   * @state: pointer to the enum state
   * @sect_type: section type to enumerate
   *
   * This function will enumerate all the sections of a particular type in the
   * ice segment. The first call is made with the ice_seg parameter non-NULL;
   * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
   * When the function returns a NULL pointer, then the end of the matching
   * sections has been reached.
   */
  static void *
  ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
  		     u32 sect_type)
  {
  	u16 offset, size;
  
  	if (ice_seg)
  		state->type = sect_type;
  
  	if (!ice_pkg_advance_sect(ice_seg, state))
  		return NULL;
  
  	/* scan for next matching section */
  	while (state->buf->section_entry[state->sect_idx].type !=
  	       cpu_to_le32(state->type))
  		if (!ice_pkg_advance_sect(NULL, state))
  			return NULL;
  
  	/* validate section */
  	offset = le16_to_cpu(state->buf->section_entry[state->sect_idx].offset);
  	if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF)
  		return NULL;
  
  	size = le16_to_cpu(state->buf->section_entry[state->sect_idx].size);
  	if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ)
  		return NULL;
  
  	/* make sure the section fits in the buffer */
  	if (offset + size > ICE_PKG_BUF_SIZE)
  		return NULL;
  
  	state->sect_type =
  		le32_to_cpu(state->buf->section_entry[state->sect_idx].type);
  
  	/* calc pointer to this section */
  	state->sect = ((u8 *)state->buf) +
  		le16_to_cpu(state->buf->section_entry[state->sect_idx].offset);
  
  	return state->sect;
  }
  
  /**
   * ice_pkg_enum_entry
   * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
   * @state: pointer to the enum state
   * @sect_type: section type to enumerate
   * @offset: pointer to variable that receives the offset in the table (optional)
   * @handler: function that handles access to the entries into the section type
   *
   * This function will enumerate all the entries in particular section type in
   * the ice segment. The first call is made with the ice_seg parameter non-NULL;
   * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
   * When the function returns a NULL pointer, then the end of the entries has
   * been reached.
   *
   * Since each section may have a different header and entry size, the handler
   * function is needed to determine the number and location entries in each
   * section.
   *
   * The offset parameter is optional, but should be used for sections that
   * contain an offset for each section table. For such cases, the section handler
   * function must return the appropriate offset + index to give the absolution
   * offset for each entry. For example, if the base for a section's header
   * indicates a base offset of 10, and the index for the entry is 2, then
   * section handler function should set the offset to 10 + 2 = 12.
   */
  static void *
  ice_pkg_enum_entry(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
  		   u32 sect_type, u32 *offset,
  		   void *(*handler)(u32 sect_type, void *section,
  				    u32 index, u32 *offset))
  {
  	void *entry;
  
  	if (ice_seg) {
  		if (!handler)
  			return NULL;
  
  		if (!ice_pkg_enum_section(ice_seg, state, sect_type))
  			return NULL;
  
  		state->entry_idx = 0;
  		state->handler = handler;
  	} else {
  		state->entry_idx++;
  	}
  
  	if (!state->handler)
  		return NULL;
  
  	/* get entry */
  	entry = state->handler(state->sect_type, state->sect, state->entry_idx,
  			       offset);
  	if (!entry) {
  		/* end of a section, look for another section of this type */
  		if (!ice_pkg_enum_section(NULL, state, 0))
  			return NULL;
  
  		state->entry_idx = 0;
  		entry = state->handler(state->sect_type, state->sect,
  				       state->entry_idx, offset);
  	}
  
  	return entry;
  }
  
  /**
   * ice_boost_tcam_handler
   * @sect_type: section type
   * @section: pointer to section
   * @index: index of the boost TCAM entry to be returned
   * @offset: pointer to receive absolute offset, always 0 for boost TCAM sections
   *
   * This is a callback function that can be passed to ice_pkg_enum_entry.
   * Handles enumeration of individual boost TCAM entries.
   */
  static void *
  ice_boost_tcam_handler(u32 sect_type, void *section, u32 index, u32 *offset)
  {
  	struct ice_boost_tcam_section *boost;
  
  	if (!section)
  		return NULL;
  
  	if (sect_type != ICE_SID_RXPARSER_BOOST_TCAM)
  		return NULL;
  
  	if (index > ICE_MAX_BST_TCAMS_IN_BUF)
  		return NULL;
  
  	if (offset)
  		*offset = 0;
  
  	boost = section;
  	if (index >= le16_to_cpu(boost->count))
  		return NULL;
  
  	return boost->tcam + index;
  }
  
  /**
   * ice_find_boost_entry
   * @ice_seg: pointer to the ice segment (non-NULL)
   * @addr: Boost TCAM address of entry to search for
   * @entry: returns pointer to the entry
   *
   * Finds a particular Boost TCAM entry and returns a pointer to that entry
   * if it is found. The ice_seg parameter must not be NULL since the first call
   * to ice_pkg_enum_entry requires a pointer to an actual ice_segment structure.
   */
  static enum ice_status
  ice_find_boost_entry(struct ice_seg *ice_seg, u16 addr,
  		     struct ice_boost_tcam_entry **entry)
  {
  	struct ice_boost_tcam_entry *tcam;
  	struct ice_pkg_enum state;
  
  	memset(&state, 0, sizeof(state));
  
  	if (!ice_seg)
  		return ICE_ERR_PARAM;
  
  	do {
  		tcam = ice_pkg_enum_entry(ice_seg, &state,
  					  ICE_SID_RXPARSER_BOOST_TCAM, NULL,
  					  ice_boost_tcam_handler);
  		if (tcam && le16_to_cpu(tcam->addr) == addr) {
  			*entry = tcam;
  			return 0;
  		}
  
  		ice_seg = NULL;
  	} while (tcam);
  
  	*entry = NULL;
  	return ICE_ERR_CFG;
  }
  
  /**
   * ice_label_enum_handler
   * @sect_type: section type
   * @section: pointer to section
   * @index: index of the label entry to be returned
   * @offset: pointer to receive absolute offset, always zero for label sections
   *
   * This is a callback function that can be passed to ice_pkg_enum_entry.
   * Handles enumeration of individual label entries.
   */
  static void *
  ice_label_enum_handler(u32 __always_unused sect_type, void *section, u32 index,
  		       u32 *offset)
  {
  	struct ice_label_section *labels;
  
  	if (!section)
  		return NULL;
  
  	if (index > ICE_MAX_LABELS_IN_BUF)
  		return NULL;
  
  	if (offset)
  		*offset = 0;
  
  	labels = section;
  	if (index >= le16_to_cpu(labels->count))
  		return NULL;
  
  	return labels->label + index;
  }
  
  /**
   * ice_enum_labels
   * @ice_seg: pointer to the ice segment (NULL on subsequent calls)
   * @type: the section type that will contain the label (0 on subsequent calls)
   * @state: ice_pkg_enum structure that will hold the state of the enumeration
   * @value: pointer to a value that will return the label's value if found
   *
   * Enumerates a list of labels in the package. The caller will call
   * ice_enum_labels(ice_seg, type, ...) to start the enumeration, then call
   * ice_enum_labels(NULL, 0, ...) to continue. When the function returns a NULL
   * the end of the list has been reached.
   */
  static char *
  ice_enum_labels(struct ice_seg *ice_seg, u32 type, struct ice_pkg_enum *state,
  		u16 *value)
  {
  	struct ice_label *label;
  
  	/* Check for valid label section on first call */
  	if (type && !(type >= ICE_SID_LBL_FIRST && type <= ICE_SID_LBL_LAST))
  		return NULL;
  
  	label = ice_pkg_enum_entry(ice_seg, state, type, NULL,
  				   ice_label_enum_handler);
  	if (!label)
  		return NULL;
  
  	*value = le16_to_cpu(label->value);
  	return label->name;
  }
  
  /**
   * ice_init_pkg_hints
   * @hw: pointer to the HW structure
   * @ice_seg: pointer to the segment of the package scan (non-NULL)
   *
   * This function will scan the package and save off relevant information
   * (hints or metadata) for driver use. The ice_seg parameter must not be NULL
   * since the first call to ice_enum_labels requires a pointer to an actual
   * ice_seg structure.
   */
  static void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg)
  {
  	struct ice_pkg_enum state;
  	char *label_name;
  	u16 val;
  	int i;
  
  	memset(&hw->tnl, 0, sizeof(hw->tnl));
  	memset(&state, 0, sizeof(state));
  
  	if (!ice_seg)
  		return;
  
  	label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state,
  				     &val);
  
  	while (label_name && hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) {
  		for (i = 0; tnls[i].type != TNL_LAST; i++) {
  			size_t len = strlen(tnls[i].label_prefix);
  
  			/* Look for matching label start, before continuing */
  			if (strncmp(label_name, tnls[i].label_prefix, len))
  				continue;
  
  			/* Make sure this label matches our PF. Note that the PF
  			 * character ('0' - '7') will be located where our
  			 * prefix string's null terminator is located.
  			 */
  			if ((label_name[len] - '0') == hw->pf_id) {
  				hw->tnl.tbl[hw->tnl.count].type = tnls[i].type;
  				hw->tnl.tbl[hw->tnl.count].valid = false;
  				hw->tnl.tbl[hw->tnl.count].boost_addr = val;
  				hw->tnl.tbl[hw->tnl.count].port = 0;
  				hw->tnl.count++;
  				break;
  			}
  		}
  
  		label_name = ice_enum_labels(NULL, 0, &state, &val);
  	}
  
  	/* Cache the appropriate boost TCAM entry pointers */
  	for (i = 0; i < hw->tnl.count; i++) {
  		ice_find_boost_entry(ice_seg, hw->tnl.tbl[i].boost_addr,
  				     &hw->tnl.tbl[i].boost_entry);
  		if (hw->tnl.tbl[i].boost_entry) {
  			hw->tnl.tbl[i].valid = true;
  			if (hw->tnl.tbl[i].type < __TNL_TYPE_CNT)
  				hw->tnl.valid_count[hw->tnl.tbl[i].type]++;
  		}
  	}
  }
  
  /* 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 --> 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 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
   * @access: access type (read or write)
   *
   * This function will request ownership of the global config lock for reading
   * or writing of the package. When attempting to obtain write access, the
   * caller must check for the following two return values:
   *
   * ICE_SUCCESS        - Means the caller has acquired the global config lock
   *                      and can perform writing of the package.
   * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the
   *                      package or has found that no update was necessary; in
   *                      this case, the caller can just skip performing any
   *                      update of the package.
   */
  static enum ice_status
  ice_acquire_global_cfg_lock(struct ice_hw *hw,
  			    enum ice_aq_res_access_type access)
  {
  	enum ice_status status;
  
  	status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access,
  				 ICE_GLOBAL_CFG_LOCK_TIMEOUT);
  
  	if (!status)
  		mutex_lock(&ice_global_cfg_lock_sw);
  	else if (status == ICE_ERR_AQ_NO_WORK)
  		ice_debug(hw, ICE_DBG_PKG,
  			  "Global config lock: No work to do\n");
  
  	return status;
  }
  
  /**
   * ice_release_global_cfg_lock
   * @hw: pointer to the HW structure
   *
   * This function will release the global config lock.
   */
  static void ice_release_global_cfg_lock(struct ice_hw *hw)
  {
  	mutex_unlock(&ice_global_cfg_lock_sw);
  	ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID);
  }
  
  /**
   * 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.
   */
  static enum ice_status
  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.
   */
  static void ice_release_change_lock(struct ice_hw *hw)
  {
  	ice_release_res(hw, ICE_CHANGE_LOCK_RES_ID);
  }
  
  /**
   * ice_aq_download_pkg
   * @hw: pointer to the hardware structure
   * @pkg_buf: the package buffer to transfer
   * @buf_size: the size of the package buffer
   * @last_buf: last buffer indicator
   * @error_offset: returns error offset
   * @error_info: returns error information
   * @cd: pointer to command details structure or NULL
   *
   * Download Package (0x0C40)
   */
  static enum ice_status
  ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf,
  		    u16 buf_size, bool last_buf, u32 *error_offset,
  		    u32 *error_info, struct ice_sq_cd *cd)
  {
  	struct ice_aqc_download_pkg *cmd;
  	struct ice_aq_desc desc;
  	enum ice_status status;
  
  	if (error_offset)
  		*error_offset = 0;
  	if (error_info)
  		*error_info = 0;
  
  	cmd = &desc.params.download_pkg;
  	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg);
  	desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
  
  	if (last_buf)
  		cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
  
  	status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
  	if (status == ICE_ERR_AQ_ERROR) {
  		/* Read error from buffer only when the FW returned an error */
  		struct ice_aqc_download_pkg_resp *resp;
  
  		resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
  		if (error_offset)
  			*error_offset = le32_to_cpu(resp->error_offset);
  		if (error_info)
  			*error_info = le32_to_cpu(resp->error_info);
  	}
  
  	return status;
  }
  
  /**
   * ice_aq_update_pkg
   * @hw: pointer to the hardware structure
   * @pkg_buf: the package cmd buffer
   * @buf_size: the size of the package cmd buffer
   * @last_buf: last buffer indicator
   * @error_offset: returns error offset
   * @error_info: returns error information
   * @cd: pointer to command details structure or NULL
   *
   * Update Package (0x0C42)
   */
  static enum ice_status
  ice_aq_update_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, u16 buf_size,
  		  bool last_buf, u32 *error_offset, u32 *error_info,
  		  struct ice_sq_cd *cd)
  {
  	struct ice_aqc_download_pkg *cmd;
  	struct ice_aq_desc desc;
  	enum ice_status status;
  
  	if (error_offset)
  		*error_offset = 0;
  	if (error_info)
  		*error_info = 0;
  
  	cmd = &desc.params.download_pkg;
  	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_pkg);
  	desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
  
  	if (last_buf)
  		cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF;
  
  	status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd);
  	if (status == ICE_ERR_AQ_ERROR) {
  		/* Read error from buffer only when the FW returned an error */
  		struct ice_aqc_download_pkg_resp *resp;
  
  		resp = (struct ice_aqc_download_pkg_resp *)pkg_buf;
  		if (error_offset)
  			*error_offset = le32_to_cpu(resp->error_offset);
  		if (error_info)
  			*error_info = le32_to_cpu(resp->error_info);
  	}
  
  	return status;
  }
  
  /**
   * ice_find_seg_in_pkg
   * @hw: pointer to the hardware structure
   * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK)
   * @pkg_hdr: pointer to the package header to be searched
   *
   * This function searches a package file for a particular segment type. On
   * success it returns a pointer to the segment header, otherwise it will
   * return NULL.
   */
  static struct ice_generic_seg_hdr *
  ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type,
  		    struct ice_pkg_hdr *pkg_hdr)
  {
  	u32 i;
  
  	ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n",
  		  pkg_hdr->pkg_format_ver.major, pkg_hdr->pkg_format_ver.minor,
  		  pkg_hdr->pkg_format_ver.update,
  		  pkg_hdr->pkg_format_ver.draft);
  
  	/* Search all package segments for the requested segment type */
  	for (i = 0; i < le32_to_cpu(pkg_hdr->seg_count); i++) {
  		struct ice_generic_seg_hdr *seg;
  
  		seg = (struct ice_generic_seg_hdr *)
  			((u8 *)pkg_hdr + le32_to_cpu(pkg_hdr->seg_offset[i]));
  
  		if (le32_to_cpu(seg->seg_type) == seg_type)
  			return seg;
  	}
  
  	return NULL;
  }
  
  /**
   * ice_update_pkg
   * @hw: pointer to the hardware structure
   * @bufs: pointer to an array of buffers
   * @count: the number of buffers in the array
   *
   * Obtains change lock and updates package.
   */
  static enum ice_status
  ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
  {
  	enum ice_status status;
  	u32 offset, info, i;
  
  	status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
  	if (status)
  		return status;
  
  	for (i = 0; i < count; i++) {
  		struct ice_buf_hdr *bh = (struct ice_buf_hdr *)(bufs + i);
  		bool last = ((i + 1) == count);
  
  		status = ice_aq_update_pkg(hw, bh, le16_to_cpu(bh->data_end),
  					   last, &offset, &info, NULL);
  
  		if (status) {
  			ice_debug(hw, ICE_DBG_PKG,
  				  "Update pkg failed: err %d off %d inf %d\n",
  				  status, offset, info);
  			break;
  		}
  	}
  
  	ice_release_change_lock(hw);
  
  	return status;
  }
  
  /**
   * ice_dwnld_cfg_bufs
   * @hw: pointer to the hardware structure
   * @bufs: pointer to an array of buffers
   * @count: the number of buffers in the array
   *
   * Obtains global config lock and downloads the package configuration buffers
   * to the firmware. Metadata buffers are skipped, and the first metadata buffer
   * found indicates that the rest of the buffers are all metadata buffers.
   */
  static enum ice_status
  ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count)
  {
  	enum ice_status status;
  	struct ice_buf_hdr *bh;
  	u32 offset, info, i;
  
  	if (!bufs || !count)
  		return ICE_ERR_PARAM;
  
  	/* If the first buffer's first section has its metadata bit set
  	 * then there are no buffers to be downloaded, and the operation is
  	 * considered a success.
  	 */
  	bh = (struct ice_buf_hdr *)bufs;
  	if (le32_to_cpu(bh->section_entry[0].type) & ICE_METADATA_BUF)
  		return 0;
  
  	/* reset pkg_dwnld_status in case this function is called in the
  	 * reset/rebuild flow
  	 */
  	hw->pkg_dwnld_status = ICE_AQ_RC_OK;
  
  	status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE);
  	if (status) {
  		if (status == ICE_ERR_AQ_NO_WORK)
  			hw->pkg_dwnld_status = ICE_AQ_RC_EEXIST;
  		else
  			hw->pkg_dwnld_status = hw->adminq.sq_last_status;
  		return status;
  	}
  
  	for (i = 0; i < count; i++) {
  		bool last = ((i + 1) == count);
  
  		if (!last) {
  			/* check next buffer for metadata flag */
  			bh = (struct ice_buf_hdr *)(bufs + i + 1);
  
  			/* A set metadata flag in the next buffer will signal
  			 * that the current buffer will be the last buffer
  			 * downloaded
  			 */
  			if (le16_to_cpu(bh->section_count))
  				if (le32_to_cpu(bh->section_entry[0].type) &
  				    ICE_METADATA_BUF)
  					last = true;
  		}
  
  		bh = (struct ice_buf_hdr *)(bufs + i);
  
  		status = ice_aq_download_pkg(hw, bh, ICE_PKG_BUF_SIZE, last,
  					     &offset, &info, NULL);
  
  		/* Save AQ status from download package */
  		hw->pkg_dwnld_status = hw->adminq.sq_last_status;
  		if (status) {
  			ice_debug(hw, ICE_DBG_PKG,
  				  "Pkg download failed: err %d off %d inf %d\n",
  				  status, offset, info);
  
  			break;
  		}
  
  		if (last)
  			break;
  	}
  
  	ice_release_global_cfg_lock(hw);
  
  	return status;
  }
  
  /**
   * ice_aq_get_pkg_info_list
   * @hw: pointer to the hardware structure
   * @pkg_info: the buffer which will receive the information list
   * @buf_size: the size of the pkg_info information buffer
   * @cd: pointer to command details structure or NULL
   *
   * Get Package Info List (0x0C43)
   */
  static enum ice_status
  ice_aq_get_pkg_info_list(struct ice_hw *hw,
  			 struct ice_aqc_get_pkg_info_resp *pkg_info,
  			 u16 buf_size, struct ice_sq_cd *cd)
  {
  	struct ice_aq_desc desc;
  
  	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list);
  
  	return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd);
  }
  
  /**
   * ice_download_pkg
   * @hw: pointer to the hardware structure
   * @ice_seg: pointer to the segment of the package to be downloaded
   *
   * Handles the download of a complete package.
   */
  static enum ice_status
  ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg)
  {
  	struct ice_buf_table *ice_buf_tbl;
  
  	ice_debug(hw, ICE_DBG_PKG, "Segment format version: %d.%d.%d.%d\n",
  		  ice_seg->hdr.seg_format_ver.major,
  		  ice_seg->hdr.seg_format_ver.minor,
  		  ice_seg->hdr.seg_format_ver.update,
  		  ice_seg->hdr.seg_format_ver.draft);
  
  	ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n",
  		  le32_to_cpu(ice_seg->hdr.seg_type),
  		  le32_to_cpu(ice_seg->hdr.seg_size), ice_seg->hdr.seg_id);
  
  	ice_buf_tbl = ice_find_buf_table(ice_seg);
  
  	ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n",
  		  le32_to_cpu(ice_buf_tbl->buf_count));
  
  	return ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array,
  				  le32_to_cpu(ice_buf_tbl->buf_count));
  }
  
  /**
   * ice_init_pkg_info
   * @hw: pointer to the hardware structure
   * @pkg_hdr: pointer to the driver's package hdr
   *
   * Saves off the package details into the HW structure.
   */
  static enum ice_status
  ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr)
  {
  	struct ice_global_metadata_seg *meta_seg;
  	struct ice_generic_seg_hdr *seg_hdr;
  
  	if (!pkg_hdr)
  		return ICE_ERR_PARAM;
  
  	meta_seg = (struct ice_global_metadata_seg *)
  		   ice_find_seg_in_pkg(hw, SEGMENT_TYPE_METADATA, pkg_hdr);
  	if (meta_seg) {
  		hw->pkg_ver = meta_seg->pkg_ver;
  		memcpy(hw->pkg_name, meta_seg->pkg_name, sizeof(hw->pkg_name));
  
  		ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n",
  			  meta_seg->pkg_ver.major, meta_seg->pkg_ver.minor,
  			  meta_seg->pkg_ver.update, meta_seg->pkg_ver.draft,
  			  meta_seg->pkg_name);
  	} else {
  		ice_debug(hw, ICE_DBG_INIT,
  			  "Did not find metadata segment in driver package\n");
  		return ICE_ERR_CFG;
  	}
  
  	seg_hdr = ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr);
  	if (seg_hdr) {
  		hw->ice_pkg_ver = seg_hdr->seg_format_ver;
  		memcpy(hw->ice_pkg_name, seg_hdr->seg_id,
  		       sizeof(hw->ice_pkg_name));
  
  		ice_debug(hw, ICE_DBG_PKG, "Ice Seg: %d.%d.%d.%d, %s\n",
  			  seg_hdr->seg_format_ver.major,
  			  seg_hdr->seg_format_ver.minor,
  			  seg_hdr->seg_format_ver.update,
  			  seg_hdr->seg_format_ver.draft,
  			  seg_hdr->seg_id);
  	} else {
  		ice_debug(hw, ICE_DBG_INIT,
  			  "Did not find ice segment in driver package\n");
  		return ICE_ERR_CFG;
  	}
  
  	return 0;
  }
  
  /**
   * ice_get_pkg_info
   * @hw: pointer to the hardware structure
   *
   * Store details of the package currently loaded in HW into the HW structure.
   */
  static enum ice_status ice_get_pkg_info(struct ice_hw *hw)
  {
  	struct ice_aqc_get_pkg_info_resp *pkg_info;
  	enum ice_status status;
  	u16 size;
  	u32 i;
  
  	size = struct_size(pkg_info, pkg_info, ICE_PKG_CNT);
  	pkg_info = kzalloc(size, GFP_KERNEL);
  	if (!pkg_info)
  		return ICE_ERR_NO_MEMORY;
  
  	status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL);
  	if (status)
  		goto init_pkg_free_alloc;
  
  	for (i = 0; i < le32_to_cpu(pkg_info->count); i++) {
  #define ICE_PKG_FLAG_COUNT	4
  		char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 };
  		u8 place = 0;
  
  		if (pkg_info->pkg_info[i].is_active) {
  			flags[place++] = 'A';
  			hw->active_pkg_ver = pkg_info->pkg_info[i].ver;
  			hw->active_track_id =
  				le32_to_cpu(pkg_info->pkg_info[i].track_id);
  			memcpy(hw->active_pkg_name,
  			       pkg_info->pkg_info[i].name,
  			       sizeof(pkg_info->pkg_info[i].name));
  			hw->active_pkg_in_nvm = pkg_info->pkg_info[i].is_in_nvm;
  		}
  		if (pkg_info->pkg_info[i].is_active_at_boot)
  			flags[place++] = 'B';
  		if (pkg_info->pkg_info[i].is_modified)
  			flags[place++] = 'M';
  		if (pkg_info->pkg_info[i].is_in_nvm)
  			flags[place++] = 'N';
  
  		ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n",
  			  i, pkg_info->pkg_info[i].ver.major,
  			  pkg_info->pkg_info[i].ver.minor,
  			  pkg_info->pkg_info[i].ver.update,
  			  pkg_info->pkg_info[i].ver.draft,
  			  pkg_info->pkg_info[i].name, flags);
  	}
  
  init_pkg_free_alloc:
  	kfree(pkg_info);
  
  	return status;
  }
  
  /**
   * ice_verify_pkg - verify package
   * @pkg: pointer to the package buffer
   * @len: size of the package buffer
   *
   * Verifies various attributes of the package file, including length, format
   * version, and the requirement of at least one segment.
   */
  static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len)
  {
  	u32 seg_count;
  	u32 i;
  
  	if (len < struct_size(pkg, seg_offset, 1))
  		return ICE_ERR_BUF_TOO_SHORT;
  
  	if (pkg->pkg_format_ver.major != ICE_PKG_FMT_VER_MAJ ||
  	    pkg->pkg_format_ver.minor != ICE_PKG_FMT_VER_MNR ||
  	    pkg->pkg_format_ver.update != ICE_PKG_FMT_VER_UPD ||
  	    pkg->pkg_format_ver.draft != ICE_PKG_FMT_VER_DFT)
  		return ICE_ERR_CFG;
  
  	/* pkg must have at least one segment */
  	seg_count = le32_to_cpu(pkg->seg_count);
  	if (seg_count < 1)
  		return ICE_ERR_CFG;
  
  	/* make sure segment array fits in package length */
  	if (len < struct_size(pkg, seg_offset, seg_count))
  		return ICE_ERR_BUF_TOO_SHORT;
  
  	/* all segments must fit within length */
  	for (i = 0; i < seg_count; i++) {
  		u32 off = le32_to_cpu(pkg->seg_offset[i]);
  		struct ice_generic_seg_hdr *seg;
  
  		/* segment header must fit */
  		if (len < off + sizeof(*seg))
  			return ICE_ERR_BUF_TOO_SHORT;
  
  		seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off);
  
  		/* segment body must fit */
  		if (len < off + le32_to_cpu(seg->seg_size))
  			return ICE_ERR_BUF_TOO_SHORT;
  	}
  
  	return 0;
  }
  
  /**
   * ice_free_seg - free package segment pointer
   * @hw: pointer to the hardware structure
   *
   * Frees the package segment pointer in the proper manner, depending on if the
   * segment was allocated or just the passed in pointer was stored.
   */
  void ice_free_seg(struct ice_hw *hw)
  {
  	if (hw->pkg_copy) {
  		devm_kfree(ice_hw_to_dev(hw), hw->pkg_copy);
  		hw->pkg_copy = NULL;
  		hw->pkg_size = 0;
  	}
  	hw->seg = NULL;
  }
  
  /**
   * ice_init_pkg_regs - initialize additional package registers
   * @hw: pointer to the hardware structure
   */
  static void ice_init_pkg_regs(struct ice_hw *hw)
  {
  #define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF
  #define ICE_SW_BLK_INP_MASK_H 0x0000FFFF
  #define ICE_SW_BLK_IDX	0
  
  	/* setup Switch block input mask, which is 48-bits in two parts */
  	wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L);
  	wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H);
  }
  
  /**
   * ice_chk_pkg_version - check package version for compatibility with driver
   * @pkg_ver: pointer to a version structure to check
   *
   * Check to make sure that the package about to be downloaded is compatible with
   * the driver. To be compatible, the major and minor components of the package
   * version must match our ICE_PKG_SUPP_VER_MAJ and ICE_PKG_SUPP_VER_MNR
   * definitions.
   */
  static enum ice_status ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver)
  {
  	if (pkg_ver->major != ICE_PKG_SUPP_VER_MAJ ||
  	    pkg_ver->minor != ICE_PKG_SUPP_VER_MNR)
  		return ICE_ERR_NOT_SUPPORTED;
  
  	return 0;
  }
  
  /**
   * ice_chk_pkg_compat
   * @hw: pointer to the hardware structure
   * @ospkg: pointer to the package hdr
   * @seg: pointer to the package segment hdr
   *
   * This function checks the package version compatibility with driver and NVM
   */
  static enum ice_status
  ice_chk_pkg_compat(struct ice_hw *hw, struct ice_pkg_hdr *ospkg,
  		   struct ice_seg **seg)
  {
  	struct ice_aqc_get_pkg_info_resp *pkg;
  	enum ice_status status;
  	u16 size;
  	u32 i;
  
  	/* Check package version compatibility */
  	status = ice_chk_pkg_version(&hw->pkg_ver);
  	if (status) {
  		ice_debug(hw, ICE_DBG_INIT, "Package version check failed.\n");
  		return status;
  	}
  
  	/* find ICE segment in given package */
  	*seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE,
  						     ospkg);
  	if (!*seg) {
  		ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n");
  		return ICE_ERR_CFG;
  	}
  
  	/* Check if FW is compatible with the OS package */
  	size = struct_size(pkg, pkg_info, ICE_PKG_CNT);
  	pkg = kzalloc(size, GFP_KERNEL);
  	if (!pkg)
  		return ICE_ERR_NO_MEMORY;
  
  	status = ice_aq_get_pkg_info_list(hw, pkg, size, NULL);
  	if (status)
  		goto fw_ddp_compat_free_alloc;
  
  	for (i = 0; i < le32_to_cpu(pkg->count); i++) {
  		/* loop till we find the NVM package */
  		if (!pkg->pkg_info[i].is_in_nvm)
  			continue;
  		if ((*seg)->hdr.seg_format_ver.major !=
  			pkg->pkg_info[i].ver.major ||
  		    (*seg)->hdr.seg_format_ver.minor >
  			pkg->pkg_info[i].ver.minor) {
  			status = ICE_ERR_FW_DDP_MISMATCH;
  			ice_debug(hw, ICE_DBG_INIT,
  				  "OS package is not compatible with NVM.\n");
  		}
  		/* done processing NVM package so break */
  		break;
  	}
  fw_ddp_compat_free_alloc:
  	kfree(pkg);
  	return status;
  }
  
  /**
   * ice_init_pkg - initialize/download package
   * @hw: pointer to the hardware structure
   * @buf: pointer to the package buffer
   * @len: size of the package buffer
   *
   * This function initializes a package. The package contains HW tables
   * required to do packet processing. First, the function extracts package
   * information such as version. Then it finds the ice configuration segment
   * within the package; this function then saves a copy of the segment pointer
   * within the supplied package buffer. Next, the function will cache any hints
   * from the package, followed by downloading the package itself. Note, that if
   * a previous PF driver has already downloaded the package successfully, then
   * the current driver will not have to download the package again.
   *
   * The local package contents will be used to query default behavior and to
   * update specific sections of the HW's version of the package (e.g. to update
   * the parse graph to understand new protocols).
   *
   * This function stores a pointer to the package buffer memory, and it is
   * expected that the supplied buffer will not be freed immediately. If the
   * package buffer needs to be freed, such as when read from a file, use
   * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this
   * case.
   */
  enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len)
  {
  	struct ice_pkg_hdr *pkg;
  	enum ice_status status;
  	struct ice_seg *seg;
  
  	if (!buf || !len)
  		return ICE_ERR_PARAM;
  
  	pkg = (struct ice_pkg_hdr *)buf;
  	status = ice_verify_pkg(pkg, len);
  	if (status) {
  		ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n",
  			  status);
  		return status;
  	}
  
  	/* initialize package info */
  	status = ice_init_pkg_info(hw, pkg);
  	if (status)
  		return status;
  
  	/* before downloading the package, check package version for
  	 * compatibility with driver
  	 */
  	status = ice_chk_pkg_compat(hw, pkg, &seg);
  	if (status)
  		return status;
  
  	/* initialize package hints and then download package */
  	ice_init_pkg_hints(hw, seg);
  	status = ice_download_pkg(hw, seg);
  	if (status == ICE_ERR_AQ_NO_WORK) {
  		ice_debug(hw, ICE_DBG_INIT,
  			  "package previously loaded - no work.\n");
  		status = 0;
  	}
  
  	/* Get information on the package currently loaded in HW, then make sure
  	 * the driver is compatible with this version.
  	 */
  	if (!status) {
  		status = ice_get_pkg_info(hw);
  		if (!status)
  			status = ice_chk_pkg_version(&hw->active_pkg_ver);
  	}
  
  	if (!status) {
  		hw->seg = seg;
  		/* on successful package download update other required
  		 * registers to support the package and fill HW tables
  		 * with package content.
  		 */
  		ice_init_pkg_regs(hw);
  		ice_fill_blk_tbls(hw);
  	} else {
  		ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n",
  			  status);
  	}
  
  	return status;
  }
  
  /**
   * ice_copy_and_init_pkg - initialize/download a copy of the package
   * @hw: pointer to the hardware structure
   * @buf: pointer to the package buffer
   * @len: size of the package buffer
   *
   * This function copies the package buffer, and then calls ice_init_pkg() to
   * initialize the copied package contents.
   *
   * The copying is necessary if the package buffer supplied is constant, or if
   * the memory may disappear shortly after calling this function.
   *
   * If the package buffer resides in the data segment and can be modified, the
   * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg().
   *
   * However, if the package buffer needs to be copied first, such as when being
   * read from a file, the caller should use ice_copy_and_init_pkg().
   *
   * This function will first copy the package buffer, before calling
   * ice_init_pkg(). The caller is free to immediately destroy the original
   * package buffer, as the new copy will be managed by this function and
   * related routines.
   */
  enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len)
  {
  	enum ice_status status;
  	u8 *buf_copy;
  
  	if (!buf || !len)
  		return ICE_ERR_PARAM;
  
  	buf_copy = devm_kmemdup(ice_hw_to_dev(hw), buf, len, GFP_KERNEL);
  
  	status = ice_init_pkg(hw, buf_copy, len);
  	if (status) {
  		/* Free the copy, since we failed to initialize the package */
  		devm_kfree(ice_hw_to_dev(hw), buf_copy);
  	} else {
  		/* Track the copied pkg so we can free it later */
  		hw->pkg_copy = buf_copy;
  		hw->pkg_size = len;
  	}
  
  	return status;
  }
  
  /**
   * ice_pkg_buf_alloc
   * @hw: pointer to the HW structure
   *
   * Allocates a package buffer and returns a pointer to the buffer header.
   * Note: all package contents must be in Little Endian form.
   */
  static struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw)
  {
  	struct ice_buf_build *bld;
  	struct ice_buf_hdr *buf;
  
  	bld = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*bld), GFP_KERNEL);
  	if (!bld)
  		return NULL;
  
  	buf = (struct ice_buf_hdr *)bld;
  	buf->data_end = cpu_to_le16(offsetof(struct ice_buf_hdr,
  					     section_entry));
  	return bld;
  }
  
  /**
   * ice_pkg_buf_free
   * @hw: pointer to the HW structure
   * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
   *
   * Frees a package buffer
   */
  static void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld)
  {
  	devm_kfree(ice_hw_to_dev(hw), bld);
  }
  
  /**
   * ice_pkg_buf_reserve_section
   * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
   * @count: the number of sections to reserve
   *
   * Reserves one or more section table entries in a package buffer. This routine
   * can be called multiple times as long as they are made before calling
   * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section()
   * is called once, the number of sections that can be allocated will not be able
   * to be increased; not using all reserved sections is fine, but this will
   * result in some wasted space in the buffer.
   * Note: all package contents must be in Little Endian form.
   */
  static enum ice_status
  ice_pkg_buf_reserve_section(struct ice_buf_build *bld, u16 count)
  {
  	struct ice_buf_hdr *buf;
  	u16 section_count;
  	u16 data_end;
  
  	if (!bld)
  		return ICE_ERR_PARAM;
  
  	buf = (struct ice_buf_hdr *)&bld->buf;
  
  	/* already an active section, can't increase table size */
  	section_count = le16_to_cpu(buf->section_count);
  	if (section_count > 0)
  		return ICE_ERR_CFG;
  
  	if (bld->reserved_section_table_entries + count > ICE_MAX_S_COUNT)
  		return ICE_ERR_CFG;
  	bld->reserved_section_table_entries += count;
  
  	data_end = le16_to_cpu(buf->data_end) +
  		   (count * sizeof(buf->section_entry[0]));
  	buf->data_end = cpu_to_le16(data_end);
  
  	return 0;
  }
  
  /**
   * ice_pkg_buf_alloc_section
   * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
   * @type: the section type value
   * @size: the size of the section to reserve (in bytes)
   *
   * Reserves memory in the buffer for a section's content and updates the
   * buffers' status accordingly. This routine returns a pointer to the first
   * byte of the section start within the buffer, which is used to fill in the
   * section contents.
   * Note: all package contents must be in Little Endian form.
   */
  static void *
  ice_pkg_buf_alloc_section(struct ice_buf_build *bld, u32 type, u16 size)
  {
  	struct ice_buf_hdr *buf;
  	u16 sect_count;
  	u16 data_end;
  
  	if (!bld || !type || !size)
  		return NULL;
  
  	buf = (struct ice_buf_hdr *)&bld->buf;
  
  	/* check for enough space left in buffer */
  	data_end = le16_to_cpu(buf->data_end);
  
  	/* section start must align on 4 byte boundary */
  	data_end = ALIGN(data_end, 4);
  
  	if ((data_end + size) > ICE_MAX_S_DATA_END)
  		return NULL;
  
  	/* check for more available section table entries */
  	sect_count = le16_to_cpu(buf->section_count);
  	if (sect_count < bld->reserved_section_table_entries) {
  		void *section_ptr = ((u8 *)buf) + data_end;
  
  		buf->section_entry[sect_count].offset = cpu_to_le16(data_end);
  		buf->section_entry[sect_count].size = cpu_to_le16(size);
  		buf->section_entry[sect_count].type = cpu_to_le32(type);
  
  		data_end += size;
  		buf->data_end = cpu_to_le16(data_end);
  
  		buf->section_count = cpu_to_le16(sect_count + 1);
  		return section_ptr;
  	}
  
  	/* no free section table entries */
  	return NULL;
  }
  
  /**
   * ice_pkg_buf_get_active_sections
   * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
   *
   * Returns the number of active sections. Before using the package buffer
   * in an update package command, the caller should make sure that there is at
   * least one active section - otherwise, the buffer is not legal and should
   * not be used.
   * Note: all package contents must be in Little Endian form.
   */
  static u16 ice_pkg_buf_get_active_sections(struct ice_buf_build *bld)
  {
  	struct ice_buf_hdr *buf;
  
  	if (!bld)
  		return 0;
  
  	buf = (struct ice_buf_hdr *)&bld->buf;
  	return le16_to_cpu(buf->section_count);
  }
  
  /**
   * ice_pkg_buf
   * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc())
   *
   * Return a pointer to the buffer's header
   */
  static struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld)
  {
  	if (!bld)
  		return NULL;
  
  	return &bld->buf;
  }
  
  /**
   * ice_get_open_tunnel_port - retrieve an open tunnel port
   * @hw: pointer to the HW structure
   * @port: returns open port
   */
  bool
  ice_get_open_tunnel_port(struct ice_hw *hw, u16 *port)
  {
  	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) {
  			*port = hw->tnl.tbl[i].port;
  			res = true;
  			break;
  		}
  
  	mutex_unlock(&hw->tnl_lock);
  
  	return res;
  }
  
  /**
   * 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 enum ice_status
  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;
  	enum ice_status status = ICE_ERR_MAX_LIMIT;
  	struct ice_buf_build *bld;
  
  	mutex_lock(&hw->tnl_lock);
  
  	bld = ice_pkg_buf_alloc(hw);
  	if (!bld) {
  		status = ICE_ERR_NO_MEMORY;
  		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 *)&sect_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 enum ice_status
  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;
  	enum ice_status status = ICE_ERR_MAX_LIMIT;
  	struct ice_buf_build *bld;
  
  	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 = ICE_ERR_OUT_OF_RANGE;
  		goto ice_destroy_tunnel_end;
  	}
  
  	bld = ice_pkg_buf_alloc(hw);
  	if (!bld) {
  		status = ICE_ERR_NO_MEMORY;
  		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;
  	enum ice_status 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 - %s\n",
  			   ice_stat_str(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;
  	enum ice_status 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 - %s\n",
  			   ice_stat_str(status));
  		return -EIO;
  	}
  
  	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 enum ice_status
  ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg)
  {
  	if (ptype >= ICE_XLT1_CNT || !ptg)
  		return ICE_ERR_PARAM;
  
  	*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 enum ice_status
  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 ICE_ERR_PARAM;
  
  	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use)
  		return ICE_ERR_DOES_NOT_EXIST;
  
  	/* Should not happen if .in_use is set, bad config */
  	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype)
  		return ICE_ERR_CFG;
  
  	/* 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
   * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the
   * default PTG.
   */
  static enum ice_status
  ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
  {
  	enum ice_status status;
  	u8 original_ptg;
  
  	if (ptype > ICE_XLT1_CNT - 1)
  		return ICE_ERR_PARAM;
  
  	if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG)
  		return ICE_ERR_DOES_NOT_EXIST;
  
  	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 enum ice_status
  ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig)
  {
  	if (!vsig || vsi >= ICE_MAX_VSI)
  		return ICE_ERR_PARAM;
  
  	/* 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 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
   * @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 enum ice_status
  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 ICE_ERR_PARAM;
  
  	if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use)
  		return ICE_ERR_DOES_NOT_EXIST;
  
  	/* 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 ICE_ERR_CFG;
  
  	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 ICE_ERR_DOES_NOT_EXIST;
  
  	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 enum ice_status
  ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig)
  {
  	struct ice_vsig_vsi *tmp;
  	enum ice_status status;
  	u16 orig_vsig, idx;
  
  	idx = vsig & ICE_VSIG_IDX_M;
  
  	if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS)
  		return ICE_ERR_PARAM;
  
  	/* 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 ICE_ERR_DOES_NOT_EXIST;
  
  	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_find_prof_id - find profile ID for a given field vector
   * @hw: pointer to the hardware structure
   * @blk: HW block
   * @fv: field vector to search for
   * @prof_id: receives the profile ID
   */
  static enum ice_status
  ice_find_prof_id(struct ice_hw *hw, enum ice_block blk,
  		 struct ice_fv_word *fv, u8 *prof_id)
  {
  	struct ice_es *es = &hw->blk[blk].es;
  	u16 off;
  	u8 i;
  
  	/* For FD, we don't want to re-use a existed profile with the same
  	 * field vector and mask. This will cause rule interference.
  	 */
  	if (blk == ICE_BLK_FD)
  		return ICE_ERR_DOES_NOT_EXIST;
  
  	for (i = 0; i < (u8)es->count; i++) {
  		off = i * es->fvw;
  
  		if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv)))
  			continue;
  
  		*prof_id = i;
  		return 0;
  	}
  
  	return ICE_ERR_DOES_NOT_EXIST;
  }
  
  /**
   * 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
   * @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
   * @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 enum ice_status
  ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id)
  {
  	enum ice_status status;
  	u16 res_type;
  	u16 get_prof;
  
  	if (!ice_prof_id_rsrc_type(blk, &res_type))
  		return ICE_ERR_PARAM;
  
  	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 enum ice_status
  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 ICE_ERR_PARAM;
  
  	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 enum ice_status
  ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
  {
  	if (prof_id > hw->blk[blk].es.count)
  		return ICE_ERR_PARAM;
  
  	hw->blk[blk].es.ref_count[prof_id]++;
  
  	return 0;
  }
  
  /**
   * ice_write_es - write an extraction sequence to hardware
   * @hw: pointer to the HW struct
   * @blk: the block in which to write the extraction sequence
   * @prof_id: the profile ID to write
   * @fv: pointer to the extraction sequence to write - NULL to clear extraction
   */
  static void
  ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id,
  	     struct ice_fv_word *fv)
  {
  	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));
  	}
  }
  
  /**
   * 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 enum ice_status
  ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id)
  {
  	if (prof_id > hw->blk[blk].es.count)
  		return ICE_ERR_PARAM;
  
  	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);
  			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 = (struct ice_xlt1_section *)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 = (struct ice_xlt2_section *)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 = (struct ice_prof_id_section *)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 = (struct ice_prof_redir_section *)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 = (struct ice_sw_fv_section *)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.written);
  	}
  
  	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);
  	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_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->written, 0, es->count * sizeof(*es->written));
  	}
  }
  
  /**
   * ice_init_hw_tbls - init hardware table memory
   * @hw: pointer to the hardware structure
   */
  enum ice_status ice_init_hw_tbls(struct ice_hw *hw)
  {
  	u8 i;
  
  	mutex_init(&hw->rss_locks);
  	INIT_LIST_HEAD(&hw->rss_list_head);
  	for (i = 0; i < ICE_BLK_COUNT; i++) {
  		struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir;
  		struct ice_prof_tcam *prof = &hw->blk[i].prof;
  		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->written = devm_kcalloc(ice_hw_to_dev(hw), es->count,
  					   sizeof(*es->written), GFP_KERNEL);
  		if (!es->written)
  			goto err;
  	}
  	return 0;
  
  err:
  	ice_free_hw_tbls(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_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 enum ice_status
  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 ICE_ERR_MAX_LIMIT;
  
  			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 enum ice_status
  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 ICE_ERR_MAX_LIMIT;
  
  			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 enum ice_status
  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 ICE_ERR_MAX_LIMIT;
  
  			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 enum ice_status
  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 ICE_ERR_MAX_LIMIT;
  
  			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 enum ice_status
  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;
  	enum ice_status status;
  	u16 pkg_sects;
  	u16 xlt1 = 0;
  	u16 xlt2 = 0;
  	u16 tcam = 0;
  	u16 es = 0;
  	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 ICE_ERR_NO_MEMORY;
  
  	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 = ICE_ERR_INVAL_SIZE;
  		goto error_tmp;
  	}
  
  	/* update package */
  	status = ice_update_pkg(hw, ice_pkg_buf(b), 1);
  	if (status == ICE_ERR_AQ_ERROR)
  		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 enum ice_status
  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 ICE_ERR_MAX_LIMIT;
  
  			/* 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 ICE_ERR_OUT_OF_RANGE;
  
  				/* 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;
  }
  
  /**
   * 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)
   * @es: extraction sequence (length of array is determined by the block)
   *
   * This function registers a profile, which matches a set of PTGs with a
   * particular extraction sequence. While the hardware profile is allocated
   * it will not be written until the first call to ice_add_flow that specifies
   * the ID value used here.
   */
  enum ice_status
  ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
  	     struct ice_fv_word *es)
  {
  	u32 bytes = DIV_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE);
  	DECLARE_BITMAP(ptgs_used, ICE_XLT1_CNT);
  	struct ice_prof_map *prof;
  	enum ice_status status;
  	u8 byte = 0;
  	u8 prof_id;
  
  	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(hw, blk, es, &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) {
  			/* 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;
  		}
  
  		/* and write new es */
  		ice_write_es(hw, blk, prof_id, es);
  	}
  
  	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 = ICE_ERR_NO_MEMORY;
  		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;
  			u8 m;
  
  			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);
  			prof->ptg[prof->ptg_cnt] = ptg;
  
  			if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE)
  				break;
  
  			/* nothing left in byte, then exit */
  			m = ~(u8)((1 << (bit + 1)) - 1);
  			if (!(ptypes[byte] & m))
  				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.
   */
  static 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 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_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 enum ice_status
  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;
  	enum ice_status status;
  
  	list_for_each_entry_safe(p, t,
  				 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst,
  				 list)
  		if (p->profile_cookie == hdl) {
  			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 ICE_ERR_DOES_NOT_EXIST;
  }
  
  /**
   * 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 enum ice_status
  ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id)
  {
  	struct ice_chs_chg *del, *tmp;
  	enum ice_status status;
  	struct list_head chg;
  	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.
   */
  enum ice_status ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id)
  {
  	struct ice_prof_map *pmap;
  	enum ice_status status;
  
  	mutex_lock(&hw->blk[blk].es.prof_map_lock);
  
  	pmap = ice_search_prof_id(hw, blk, id);
  	if (!pmap) {
  		status = ICE_ERR_DOES_NOT_EXIST;
  		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 enum ice_status
  ice_get_prof(struct ice_hw *hw, enum ice_block blk, u64 hdl,
  	     struct list_head *chg)
  {
  	enum ice_status status = 0;
  	struct ice_prof_map *map;
  	struct ice_chs_chg *p;
  	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 = ICE_ERR_DOES_NOT_EXIST;
  		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 = ICE_ERR_NO_MEMORY;
  				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 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)
  {
  	enum ice_status status = 0;
  	struct ice_prof_map *map;
  	struct ice_vsig_prof *p;
  	u16 i;
  
  	mutex_lock(&hw->blk[blk].es.prof_map_lock);
  	map = ice_search_prof_id(hw, blk, hdl);
  	if (!map) {
  		status = ICE_ERR_DOES_NOT_EXIST;
  		goto err_ice_add_prof_to_lst;
  	}
  
  	p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL);
  	if (!p) {
  		status = ICE_ERR_NO_MEMORY;
  		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 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_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 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;
  
  	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 */
  	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
   * @rev: true to add entries to the end of the list
   * @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,
  		     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 };
  	enum ice_status status = 0;
  	struct ice_prof_map *map;
  	struct ice_vsig_prof *t;
  	struct ice_chs_chg *p;
  	u16 vsig_idx, i;
  
  	/* 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;
  
  	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 = ICE_ERR_DOES_NOT_EXIST;
  		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 = ICE_ERR_NO_MEMORY;
  			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) {
  			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 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, 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 enum ice_status
  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;
  	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) {
  		/* 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;
  	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, 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_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 enum ice_status
  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 ICE_ERR_DOES_NOT_EXIST;
  }
  
  /**
   * 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.
   */
  enum ice_status
  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;
  	enum ice_status status;
  	u16 vsig;
  
  	INIT_LIST_HEAD(&copy);
  	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, &copy);
  			if (status)
  				goto err_ice_rem_prof_id_flow;
  
  			/* Remove specified profile entry from the list */
  			status = ice_rem_prof_from_list(hw, &copy, hdl);
  			if (status)
  				goto err_ice_rem_prof_id_flow;
  
  			if (list_empty(&copy)) {
  				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, &copy,
  							    &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,
  								  &copy, &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 = ICE_ERR_DOES_NOT_EXIST;
  	}
  
  	/* 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, &copy, list) {
  		list_del(&del1->list);
  		devm_kfree(ice_hw_to_dev(hw), del1);
  	}
  
  	return status;
  }
  