f396bc3578
Add CLD80211_ATTR_META_DATA vendor attribute, which will be used by userspace RTT application to send meta data to wlan driver allowing it to peek into RTT request message without opening up complete definition of RTT message. Change-Id: If2f8253b59c6860fbaecab05f1b76f11da1ddb6f CRs-Fixed: 2114181 Signed-off-by: Naveen Rawat <naveenrawat@codeaurora.org>
104 lines
3.6 KiB
C
104 lines
3.6 KiB
C
/* Copyright (c) 2017, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _NET_CNSS_GENETLINK_H_
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#define _NET_CNSS_GENETLINK_H_
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#define CLD80211_MAX_COMMANDS 40
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#define CLD80211_MAX_NL_DATA 4096
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/**
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* enum cld80211_attr - Driver/Application embeds the data in nlmsg with the
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* help of below attributes
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*
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* @CLD80211_ATTR_VENDOR_DATA: Embed all other attributes in this nested
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* attribute.
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* @CLD80211_ATTR_DATA: Embed complete data in this attribute
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* @CLD80211_ATTR_META_DATA: Embed meta data for above data. This will help
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* wlan driver to peek into request message packet without opening up definition
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* of complete request message.
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*
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* Any new message in future can be added as another attribute
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*/
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enum cld80211_attr {
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CLD80211_ATTR_VENDOR_DATA = 1,
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CLD80211_ATTR_DATA,
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CLD80211_ATTR_META_DATA,
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/* add new attributes above here */
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__CLD80211_ATTR_AFTER_LAST,
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CLD80211_ATTR_MAX = __CLD80211_ATTR_AFTER_LAST - 1
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};
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/**
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* enum cld80211_multicast_groups - List of multicast groups supported
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*
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* @CLD80211_MCGRP_SVC_MSGS: WLAN service message will be sent to this group.
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* Ex: Status ind messages
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* @CLD80211_MCGRP_HOST_LOGS: All logging related messages from driver will be
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* sent to this multicast group
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* @CLD80211_MCGRP_FW_LOGS: Firmware logging messages will be sent to this group
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* @CLD80211_MCGRP_PER_PKT_STATS: Messages related packet stats debugging infra
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* will be sent to this group
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* @CLD80211_MCGRP_DIAG_EVENTS: Driver/Firmware status logging diag events will
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* be sent to this group
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* @CLD80211_MCGRP_FATAL_EVENTS: Any fatal message generated in driver/firmware
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* will be sent to this group
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* @CLD80211_MCGRP_OEM_MSGS: All OEM message will be sent to this group
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* Ex: LOWI messages
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*/
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enum cld80211_multicast_groups {
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CLD80211_MCGRP_SVC_MSGS,
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CLD80211_MCGRP_HOST_LOGS,
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CLD80211_MCGRP_FW_LOGS,
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CLD80211_MCGRP_PER_PKT_STATS,
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CLD80211_MCGRP_DIAG_EVENTS,
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CLD80211_MCGRP_FATAL_EVENTS,
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CLD80211_MCGRP_OEM_MSGS,
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};
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/**
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* typedef cld80211_cb - Callback to be called when an nlmsg is received with
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* the registered cmd_id command from userspace
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* @data: Payload of the message to be sent to driver
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* @data_len: Length of the payload
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* @cb_ctx: callback context to be returned to driver when the callback
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* is called
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* @pid: process id of the sender
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*/
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typedef void (*cld80211_cb)(const void *data, int data_len,
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void *cb_ctx, int pid);
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/**
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* register_cld_cmd_cb() - Allows cld driver to register for commands with
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* callback
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* @cmd_id: Command to be registered. Valid range [1, CLD80211_MAX_COMMANDS]
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* @cb: Callback to be called when an nlmsg is received with cmd_id command
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* from userspace
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* @cb_ctx: context provided by driver; Send this as cb_ctx of func()
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* to driver
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*/
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int register_cld_cmd_cb(u8 cmd_id, cld80211_cb cb, void *cb_ctx);
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/**
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* deregister_cld_cmd_cb() - Allows cld driver to de-register the command it
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* has already registered
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* @cmd_id: Command to be deregistered.
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*/
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int deregister_cld_cmd_cb(u8 cmd_id);
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/**
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* cld80211_get_genl_family() - Returns current netlink family context
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*/
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struct genl_family *cld80211_get_genl_family(void);
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#endif /* _NET_CNSS_GENETLINK_H_ */
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