1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3  * drivers/net/ethernet/rocker/rocker_tlv.h - Rocker switch device driver
4  * Copyright (c) 2014-2016 Jiri Pirko <[email protected]>
18 	(((len) + ROCKER_TLV_ALIGNTO - 1) & ~(ROCKER_TLV_ALIGNTO - 1))
21 /*  <------- ROCKER_TLV_HDRLEN -------> <--- ROCKER_TLV_ALIGN(payload) --->
22  * +-----------------------------+- - -+- - - - - - - - - - - - - - -+- - -+
25  * +-----------------------------+- - -+- - - - - - - - - - - - - - -+- - -+
26  *  <--------------------------- tlv->len -------------------------->
32 	int totlen = ROCKER_TLV_ALIGN(tlv->len);  in rocker_tlv_next()
34 	*remaining -= totlen;  in rocker_tlv_next()
41 	       tlv->len >= ROCKER_TLV_HDRLEN &&  in rocker_tlv_ok()
42 	       tlv->len <= remaining;  in rocker_tlv_ok()
66 	return rocker_tlv_total_size(payload) - rocker_tlv_attr_size(payload);  in rocker_tlv_padlen()
71 	return tlv->type;  in rocker_tlv_type()
81 	return tlv->len - ROCKER_TLV_HDRLEN;  in rocker_tlv_len()
124 	rocker_tlv_parse(tb, maxtype, desc_info->data,  in rocker_tlv_parse_desc()
125 			 desc_info->desc->tlv_size);  in rocker_tlv_parse_desc()
131 	return (struct rocker_tlv *) ((char *) desc_info->data +  in rocker_tlv_start()
132 					       desc_info->tlv_size);  in rocker_tlv_start()
139 rocker_tlv_put_u8(struct rocker_desc_info *desc_info, int attrtype, u8 value)  in rocker_tlv_put_u8()  argument
141 	u8 tmp = value; /* work around GCC PR81715 */  in rocker_tlv_put_u8()
147 rocker_tlv_put_u16(struct rocker_desc_info *desc_info, int attrtype, u16 value)  in rocker_tlv_put_u16()  argument
149 	u16 tmp = value;  in rocker_tlv_put_u16()
155 rocker_tlv_put_be16(struct rocker_desc_info *desc_info, int attrtype, __be16 value)  in rocker_tlv_put_be16()  argument
157 	__be16 tmp = value;  in rocker_tlv_put_be16()
163 rocker_tlv_put_u32(struct rocker_desc_info *desc_info, int attrtype, u32 value)  in rocker_tlv_put_u32()  argument
165 	u32 tmp = value;  in rocker_tlv_put_u32()
171 rocker_tlv_put_be32(struct rocker_desc_info *desc_info, int attrtype, __be32 value)  in rocker_tlv_put_be32()  argument
173 	__be32 tmp = value;  in rocker_tlv_put_be32()
179 rocker_tlv_put_u64(struct rocker_desc_info *desc_info, int attrtype, u64 value)  in rocker_tlv_put_u64()  argument
181 	u64 tmp = value;  in rocker_tlv_put_u64()
189 	struct rocker_tlv *start = rocker_tlv_start(desc_info);  in rocker_tlv_nest_start()  local
194 	return start;  in rocker_tlv_nest_start()
198 				       struct rocker_tlv *start)  in rocker_tlv_nest_end()  argument
200 	start->len = (char *) rocker_tlv_start(desc_info) - (char *) start;  in rocker_tlv_nest_end()
204 					  const struct rocker_tlv *start)  in rocker_tlv_nest_cancel()  argument
206 	desc_info->tlv_size = (const char *) start - desc_info->data;  in rocker_tlv_nest_cancel()