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Diffstat (limited to 'include/net/cnss_nl.h')
| -rw-r--r-- | include/net/cnss_nl.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/include/net/cnss_nl.h b/include/net/cnss_nl.h new file mode 100644 index 000000000000..b8a7cfdb7966 --- /dev/null +++ b/include/net/cnss_nl.h @@ -0,0 +1,104 @@ +/* Copyright (c) 2017, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _NET_CNSS_GENETLINK_H_ +#define _NET_CNSS_GENETLINK_H_ + +#define CLD80211_MAX_COMMANDS 40 +#define CLD80211_MAX_NL_DATA 4096 + +/** + * enum cld80211_attr - Driver/Application embeds the data in nlmsg with the + * help of below attributes + * + * @CLD80211_ATTR_VENDOR_DATA: Embed all other attributes in this nested + * attribute. + * @CLD80211_ATTR_DATA: Embed complete data in this attribute + * @CLD80211_ATTR_META_DATA: Embed meta data for above data. This will help + * wlan driver to peek into request message packet without opening up definition + * of complete request message. + * + * Any new message in future can be added as another attribute + */ +enum cld80211_attr { + CLD80211_ATTR_VENDOR_DATA = 1, + CLD80211_ATTR_DATA, + CLD80211_ATTR_META_DATA, + /* add new attributes above here */ + + __CLD80211_ATTR_AFTER_LAST, + CLD80211_ATTR_MAX = __CLD80211_ATTR_AFTER_LAST - 1 +}; + +/** + * enum cld80211_multicast_groups - List of multicast groups supported + * + * @CLD80211_MCGRP_SVC_MSGS: WLAN service message will be sent to this group. + * Ex: Status ind messages + * @CLD80211_MCGRP_HOST_LOGS: All logging related messages from driver will be + * sent to this multicast group + * @CLD80211_MCGRP_FW_LOGS: Firmware logging messages will be sent to this group + * @CLD80211_MCGRP_PER_PKT_STATS: Messages related packet stats debugging infra + * will be sent to this group + * @CLD80211_MCGRP_DIAG_EVENTS: Driver/Firmware status logging diag events will + * be sent to this group + * @CLD80211_MCGRP_FATAL_EVENTS: Any fatal message generated in driver/firmware + * will be sent to this group + * @CLD80211_MCGRP_OEM_MSGS: All OEM message will be sent to this group + * Ex: LOWI messages + */ +enum cld80211_multicast_groups { + CLD80211_MCGRP_SVC_MSGS, + CLD80211_MCGRP_HOST_LOGS, + CLD80211_MCGRP_FW_LOGS, + CLD80211_MCGRP_PER_PKT_STATS, + CLD80211_MCGRP_DIAG_EVENTS, + CLD80211_MCGRP_FATAL_EVENTS, + CLD80211_MCGRP_OEM_MSGS, +}; + +/** + * typedef cld80211_cb - Callback to be called when an nlmsg is received with + * the registered cmd_id command from userspace + * @data: Payload of the message to be sent to driver + * @data_len: Length of the payload + * @cb_ctx: callback context to be returned to driver when the callback + * is called + * @pid: process id of the sender + */ +typedef void (*cld80211_cb)(const void *data, int data_len, + void *cb_ctx, int pid); + +/** + * register_cld_cmd_cb() - Allows cld driver to register for commands with + * callback + * @cmd_id: Command to be registered. Valid range [1, CLD80211_MAX_COMMANDS] + * @cb: Callback to be called when an nlmsg is received with cmd_id command + * from userspace + * @cb_ctx: context provided by driver; Send this as cb_ctx of func() + * to driver + */ +int register_cld_cmd_cb(u8 cmd_id, cld80211_cb cb, void *cb_ctx); + +/** + * deregister_cld_cmd_cb() - Allows cld driver to de-register the command it + * has already registered + * @cmd_id: Command to be deregistered. + */ +int deregister_cld_cmd_cb(u8 cmd_id); + +/** + * cld80211_get_genl_family() - Returns current netlink family context + */ +struct genl_family *cld80211_get_genl_family(void); + +#endif /* _NET_CNSS_GENETLINK_H_ */ |