net/ethtool/netlink.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
27  * ethnl_strz_size() - calculate attribute length for fixed size string
30  * Return: total length of an attribute with null terminated string from @s
38  * ethnl_put_strz() - put string attribute with fixed size string
40  * @attrtype: attribute type
43  * Puts an attribute with null terminated string from @s into the message.
55 		return -EMSGSIZE;  in ethnl_put_strz()
63  * ethnl_update_u32() - update u32 value from NLA_U32 attribute
65  * @attr: netlink attribute with new value or null
68  * Copy the u32 value from NLA_U32 netlink attribute @attr into variable
70  * is set to true if this function changed the value of *dst, otherwise it
89  * ethnl_update_u8() - update u8 value from NLA_U8 attribute
91  * @attr: netlink attribute with new value or null
94  * Copy the u8 value from NLA_U8 netlink attribute @attr into variable
96  * is set to true if this function changed the value of *dst, otherwise it
115  * ethnl_update_bool32() - update u32 used as bool from NLA_U8 attribute
117  * @attr: netlink attribute with new value or null
120  * Use the u8 value from NLA_U8 netlink attribute @attr to set u32 variable
122  * null. Bool pointed to by @mod is set to true if this function changed the
141  * ethnl_update_bool() - updateb bool used as bool from NLA_U8 attribute
143  * @attr: netlink attribute with new value or null
146  * Use the bool value from NLA_U8 netlink attribute @attr to set bool variable
148  * null. Bool pointed to by @mod is set to true if this function changed the
167  * ethnl_update_binary() - update binary data from NLA_BINARY attribute
170  * @attr: netlink attribute with new value or null
173  * Use the u8 value from NLA_U8 netlink attribute @attr to rewrite data block
174  * of length @len at @dst by attribute payload; do nothing if @attr is null.
175  * Bool pointed to by @mod is set to true if this function changed the logical
193  * ethnl_update_bitfield32() - update u32 value from NLA_BITFIELD32 attribute
195  * @attr: netlink attribute with new value or null
198  * Update bits in u32 value which are set in attribute's mask to values from
199  * attribute's value. Do nothing if @attr is null or the value wouldn't change;
200  * otherwise, set bool pointed to by @mod to true.
220  * ethnl_reply_header_size() - total size of reply header
249  * struct ethnl_req_info - base type of request information for GET requests
266 	netdev_put(req_info->dev, &req_info->dev_tracker);  in ethnl_parse_header_dev_put()
270  * struct ethnl_reply_data - base type of reply data for GET requests
287  * struct ethnl_request_ops - unified handling of GET and SET requests
290  * @hdr_attr:         attribute type for request header
293  * @allow_nodev_do:   allow non-dump request with no device identification
294  * @set_ntf_cmd:      notification to generate on changes (SET)
317  *	->reply_size() estimated.
321  *	structure which were allocated by ->prepare_data(). When processing
322  *	dump requests, ->cleanup() is called for each message.
324  *	Check if set operation is supported for a given device, and perform
326  *	 - 0 if the operation is a noop for the device (rare)
327  *	 - 1 if operation should proceed to calling @set
328  *	 - negative errno on errors
330  * @set:
331  *	Execute the set operation. The implementation should return
332  *	 - 0 if no configuration has changed
333  *	 - 1 if configuration changed and notification should be generated
334  *	 - negative errno on errors
368 	int (*set)(struct ethnl_req_info *req_info,  member