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qcacmn: Add API to get the variant of the given ML element

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Add API to get the variant of the given Multi-Link element or element
fragment sequence.

Change-Id: I09b10c8e14e1a7e7b500116782f07d9fde7a78e1
CRs-Fixed: 3040403
This commit is contained in:
Krishna Rao
2021-09-20 19:58:12 +05:30
committed by Madan Koyyalamudi
parent 926430802a
commit b5253e0f65
2 changed files with 62 additions and 0 deletions
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31
umac/mlo_mgr/inc/utils_mlo.h
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@@ -21,6 +21,7 @@
#ifndef _WLAN_UTILS_MLO_H_ #ifndef _WLAN_UTILS_MLO_H_
#define _WLAN_UTILS_MLO_H_ #define _WLAN_UTILS_MLO_H_
#include <wlan_cmn_ieee80211.h>
#include "wlan_mlo_mgr_public_structs.h" #include "wlan_mlo_mgr_public_structs.h"
#include <wlan_cm_ucfg_api.h> #include <wlan_cm_ucfg_api.h>
#include <wlan_objmgr_vdev_obj.h> #include <wlan_objmgr_vdev_obj.h>
@@ -69,6 +70,29 @@ util_gen_link_assoc_rsp(uint8_t *frame, qdf_size_t len,
QDF_STATUS QDF_STATUS
util_find_mlie(uint8_t *buf, qdf_size_t buflen, uint8_t **mlieseq, util_find_mlie(uint8_t *buf, qdf_size_t buflen, uint8_t **mlieseq,
qdf_size_t *mlieseqlen); qdf_size_t *mlieseqlen);
/**
* util_get_mlie_variant - Get the variant of the given Multi-Link element or
* element fragment sequence.
*
* @mlieseq: Starting address of the Multi-Link element or Multi-Link element
* fragment sequence
* @mlieseqlen: Total length of the Multi-Link element or Multi-Link element
* fragment sequence
* @variant: Pointer to the location where the value of the variant should be
* updated. On success, the value should be interpreted by the caller as a
* member of enum wlan_ml_variant. (This enum is not directly used as an
* argument, so that non-MLO code that happens to call this function does not
* need to be aware of the definition of the enum, though such a call would
* ultimately result in an error). The value should be ignored by the caller if
* the function returns error.
*
* Return: QDF_STATUS_SUCCESS in the case of success, QDF_STATUS value giving
* the reason for error in the case of failure
*/
QDF_STATUS
util_get_mlie_variant(uint8_t *mlieseq, qdf_size_t mlieseqlen,
int *variant);
#else #else
static inline QDF_STATUS static inline QDF_STATUS
util_gen_link_assoc_rsp(uint8_t *frame, qdf_size_t len, util_gen_link_assoc_rsp(uint8_t *frame, qdf_size_t len,
@@ -83,5 +107,12 @@ util_find_mlie(uint8_t *buf, qdf_size_t buflen, uint8_t **mlieseq,
{ {
return QDF_STATUS_E_NOSUPPORT; return QDF_STATUS_E_NOSUPPORT;
} }
static inline QDF_STATUS
util_get_mlie_variant(uint8_t *mlieseq, qdf_size_t mlieseqlen,
int *variant)
{
return QDF_STATUS_E_NOSUPPORT;
}
#endif /* WLAN_FEATURE_11BE_MLO */ #endif /* WLAN_FEATURE_11BE_MLO */
#endif /* _WLAN_UTILS_MLO_H_ */ #endif /* _WLAN_UTILS_MLO_H_ */

31
umac/mlo_mgr/src/utils_mlo.c
View File

@@ -473,4 +473,35 @@ util_find_mlie(uint8_t *buf, qdf_size_t buflen, uint8_t **mlieseq,
*mlieseqlen = ieseqlen; *mlieseqlen = ieseqlen;
return QDF_STATUS_SUCCESS; return QDF_STATUS_SUCCESS;
} }
QDF_STATUS
util_get_mlie_variant(uint8_t *mlieseq, qdf_size_t mlieseqlen,
int *variant)
{
struct wlan_ie_multilink *mlie_fixed;
enum wlan_ml_variant var;
uint16_t mlcontrol;
if (!mlieseq || !mlieseqlen || !variant)
return QDF_STATUS_E_NULL_VALUE;
if (mlieseqlen < sizeof(struct wlan_ie_multilink))
return QDF_STATUS_E_INVAL;
mlie_fixed = (struct wlan_ie_multilink *)mlieseq;
if ((mlie_fixed->elem_id != WLAN_ELEMID_EXTN_ELEM) ||
(mlie_fixed->elem_id_ext != WLAN_EXTN_ELEMID_MULTI_LINK))
return QDF_STATUS_E_INVAL;
mlcontrol = le16toh(mlie_fixed->mlcontrol);
var = QDF_GET_BITS(mlcontrol, WLAN_ML_CTRL_TYPE_IDX,
WLAN_ML_CTRL_TYPE_BITS);
if (var >= WLAN_ML_VARIANT_INVALIDSTART)
return QDF_STATUS_E_PROTO;
*variant = var;
return QDF_STATUS_SUCCESS;
}
#endif #endif