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qcacmn: APIs to add and parse TID-to-link mapping action frame

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Add APIs to add and parse TID-to-link mapping request, response and
teardown action frames.

Change-Id: Ia1d2c9d28f0dfa11441d5a77d023a8dde2d68db5
CRs-Fixed: 3332736
This commit is contained in:
Shashikala Prabhu
2022-11-09 18:02:09 +05:30
committed by Madan Koyyalamudi
parent da59d95884
commit 97295e0441
3 changed files with 273 additions and 0 deletions
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28
umac/cmn_services/cmn_defs/inc/wlan_cmn_ieee80211.h
View File

@@ -2655,6 +2655,34 @@ struct wlan_ie_multi_link_traffic_indication {
uint16_t ml_traffic_ind_control;
uint16_t per_link_traffic_ind_list[];
} qdf_packed;
/**
* struct wlan_action - Generic action frame format
* @category: Action frame category
* @action: action
*/
struct wlan_action_frame {
int8_t category;
int8_t action;
} __packed;
/**
* struct wlan_action_frame_args - Generic action frame arguments
* @category: Action frame category
* @action: action
* @arg1: argument1
* @arg2: argument2
* @arg3: argument3
* @arg4: Pointer to argument4
*/
struct wlan_action_frame_args {
uint8_t category;
uint8_t action;
uint32_t arg1;
uint32_t arg2;
uint32_t arg3;
uint8_t *arg4;
};
#endif /* WLAN_FEATURE_11BE */
/**

51
umac/mlo_mgr/inc/wlan_mlo_t2lm.h
View File

@@ -21,6 +21,8 @@
#ifndef _WLAN_MLO_T2LM_H_
#define _WLAN_MLO_T2LM_H_
#include <wlan_cmn_ieee80211.h>
#ifdef WLAN_FEATURE_11BE
#define t2lm_alert(format, args...) \
@@ -62,6 +64,36 @@ QDF_STATUS wlan_mlo_parse_t2lm_ie(
*/
uint8_t *wlan_mlo_add_t2lm_ie(uint8_t *frm, struct wlan_objmgr_peer *peer,
struct wlan_t2lm_onging_negotiation_info *t2lm);
/**
* wlan_mlo_parse_t2lm_action_frame() - API to parse T2LM action frame
* @peer: Pointer to peer structure
* @t2lm: Pointer to T2LM structure
* @action_frm: Pointer to action frame
* @category: T2LM action frame category
*
* Return: 0 - success, else failure
*/
int wlan_mlo_parse_t2lm_action_frame(
struct wlan_objmgr_peer *peer,
struct wlan_t2lm_onging_negotiation_info *t2lm,
struct wlan_action_frame *action_frm,
enum wlan_t2lm_category category);
/**
* wlan_mlo_add_t2lm_action_frame() - API to add T2LM action frame
* @peer: Pointer to peer structure
* @frm: Pointer to a frame to add T2LM IE
* @args: T2LM action frame related info
* @buf: Pointer to T2LM IE values
* @category: T2LM action frame category
*
* Return: Pointer to the updated frame buffer
*/
uint8_t *wlan_mlo_add_t2lm_action_frame(
struct wlan_objmgr_peer *peer,
uint8_t *frm, struct wlan_action_frame_args *args,
uint8_t *buf, enum wlan_t2lm_category category);
#else
static inline QDF_STATUS wlan_mlo_parse_t2lm_ie(
struct wlan_objmgr_peer *peer,
@@ -76,5 +108,24 @@ int8_t *wlan_mlo_add_t2lm_ie(uint8_t *frm, struct wlan_objmgr_peer *peer,
{
return frm;
}
static inline
int wlan_mlo_parse_t2lm_action_frame(
struct wlan_objmgr_peer *peer,
struct wlan_t2lm_onging_negotiation_info *t2lm,
struct wlan_action_frame *action_frm,
enum wlan_t2lm_category category)
{
return 0;
}
static inline
uint8_t *wlan_mlo_add_t2lm_action_frame(
struct wlan_objmgr_peer *peer,
uint8_t *frm, struct wlan_action_frame_args *args,
uint8_t *buf, enum wlan_t2lm_category category)
{
return frm;
}
#endif /* WLAN_FEATURE_11BE */
#endif /* _WLAN_MLO_T2LM_H_ */

194
umac/mlo_mgr/src/wlan_mlo_t2lm.c
View File

@@ -493,3 +493,197 @@ uint8_t *wlan_mlo_add_t2lm_ie(uint8_t *frm, struct wlan_objmgr_peer *peer,
return frm;
}
/**
* wlan_mlo_parse_t2lm_request_action_frame() - API to parse T2LM request action
* frame.
* @peer: Pointer to peer structure
* @t2lm: Pointer to T2LM structure
* @action_frm: Pointer to action frame
* @category: T2LM action frame category
*
* Return: QDF_STATUS
*/
static QDF_STATUS wlan_mlo_parse_t2lm_request_action_frame(
struct wlan_objmgr_peer *peer,
struct wlan_t2lm_onging_negotiation_info *t2lm,
struct wlan_action_frame *action_frm,
enum wlan_t2lm_category category)
{
uint8_t *t2lm_action_frm;
t2lm->category = category;
/*
* T2LM request action frame
*
* 1-byte 1-byte 1-byte variable
*-------------------------------------------
* | | | | |
* | Category| Protected | Dialog | T2LM IE |
* | | EHT | token | |
* | | Action | | |
*-------------------------------------------
*/
t2lm_action_frm = (uint8_t *)action_frm + sizeof(*action_frm);
t2lm->dialog_token = *t2lm_action_frm;
return wlan_mlo_parse_t2lm_ie(peer, t2lm,
t2lm_action_frm + sizeof(uint8_t));
}
/**
* wlan_mlo_parse_t2lm_response_action_frame() - API to parse T2LM response
* action frame.
* @peer: Pointer to peer structure
* @t2lm: Pointer to T2LM structure
* @action_frm: Pointer to action frame
* @category: T2LM action frame category
*
* Return: QDF_STATUS
*/
static QDF_STATUS wlan_mlo_parse_t2lm_response_action_frame(
struct wlan_objmgr_peer *peer,
struct wlan_t2lm_onging_negotiation_info *t2lm,
struct wlan_action_frame *action_frm,
enum wlan_t2lm_category category)
{
uint8_t *t2lm_action_frm;
QDF_STATUS ret_val = QDF_STATUS_SUCCESS;
t2lm->category = WLAN_T2LM_CATEGORY_RESPONSE;
/*
* T2LM response action frame
*
* 1-byte 1-byte 1-byte 1-byte variable
*----------------------------------------------------
* | | | | | |
* | Category| Protected | Dialog | Status | T2LM IE |
* | | EHT | token | code | |
* | | Action | | | |
*----------------------------------------------------
*/
t2lm_action_frm = (uint8_t *)action_frm + sizeof(*action_frm);
t2lm->dialog_token = *t2lm_action_frm;
t2lm->t2lm_resp_type = *(t2lm_action_frm + sizeof(uint8_t));
if (t2lm->t2lm_resp_type ==
WLAN_T2LM_RESP_TYPE_PREFERRED_TID_TO_LINK_MAPPING) {
t2lm_action_frm += sizeof(uint8_t) + sizeof(uint8_t);
ret_val = wlan_mlo_parse_t2lm_ie(peer, t2lm, t2lm_action_frm);
}
return ret_val;
}
int wlan_mlo_parse_t2lm_action_frame(
struct wlan_objmgr_peer *peer,
struct wlan_t2lm_onging_negotiation_info *t2lm,
struct wlan_action_frame *action_frm,
enum wlan_t2lm_category category)
{
QDF_STATUS ret_val = QDF_STATUS_SUCCESS;
switch (category) {
case WLAN_T2LM_CATEGORY_REQUEST:
{
ret_val = wlan_mlo_parse_t2lm_request_action_frame(
peer, t2lm, action_frm, category);
return qdf_status_to_os_return(ret_val);
}
case WLAN_T2LM_CATEGORY_RESPONSE:
{
ret_val = wlan_mlo_parse_t2lm_response_action_frame(
peer, t2lm, action_frm, category);
return qdf_status_to_os_return(ret_val);
}
case WLAN_T2LM_CATEGORY_TEARDOWN:
/* Nothing to parse from T2LM teardown frame, just reset
* the mapping to default mapping.
*
* T2LM teardown action frame
*
* 1-byte 1-byte
*------------------------
* | | |
* | Category| Protected |
* | | EHT |
* | | Action |
*------------------------
*/
break;
default:
t2lm_err("Invalid category:%d", category);
}
return ret_val;
}
static uint8_t *wlan_mlo_add_t2lm_request_action_frame(
struct wlan_objmgr_peer *peer, uint8_t *frm,
struct wlan_action_frame_args *args, uint8_t *buf,
enum wlan_t2lm_category category)
{
*frm++ = args->category;
*frm++ = args->action;
/* Dialog token*/
*frm++ = args->arg1;
t2lm_info("T2LM request frame: category:%d action:%d dialog_token:%d",
args->category, args->action, args->arg1);
return wlan_mlo_add_t2lm_ie(frm, peer, (void *)buf);
}
static uint8_t *wlan_mlo_add_t2lm_response_action_frame(
struct wlan_objmgr_peer *peer, uint8_t *frm,
struct wlan_action_frame_args *args, uint8_t *buf,
enum wlan_t2lm_category category)
{
*frm++ = args->category;
*frm++ = args->action;
/* Dialog token*/
*frm++ = args->arg1;
/* Status code */
*frm++ = args->arg2;
t2lm_info("T2LM response frame: category:%d action:%d dialog_token:%d status_code:%d",
args->category, args->action, args->arg1, args->arg2);
if (args->arg2 == WLAN_T2LM_RESP_TYPE_PREFERRED_TID_TO_LINK_MAPPING)
frm = wlan_mlo_add_t2lm_ie(frm, peer, (void *)buf);
return frm;
}
uint8_t *wlan_mlo_add_t2lm_action_frame(
struct wlan_objmgr_peer *peer, uint8_t *frm,
struct wlan_action_frame_args *args, uint8_t *buf,
enum wlan_t2lm_category category)
{
if (!peer) {
t2lm_err("null peer");
return NULL;
}
switch (category) {
case WLAN_T2LM_CATEGORY_REQUEST:
return wlan_mlo_add_t2lm_request_action_frame(peer, frm, args,
buf, category);
case WLAN_T2LM_CATEGORY_RESPONSE:
return wlan_mlo_add_t2lm_response_action_frame(peer, frm, args,
buf, category);
case WLAN_T2LM_CATEGORY_TEARDOWN:
*frm++ = args->category;
*frm++ = args->action;
return frm;
default:
t2lm_err("Invalid category:%d", category);
}
return frm;
}