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qcacmn: Add T2LM IE changes as per IEEE802.11be draft 2.1

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Add support to include mapping switch time and expected duration in T2LM
IE.

Removed the below functions as MCC uses ieee_link_id instead of hw_link_id.
Do this conversion in the WIN only code.

wlan_mlo_get_hw_link_id_mask, wlan_get_ieee_link_id_mask
wlan_mlo_parse_t2lm_provisioned_links, wlan_mlo_add_t2lm_provisioned_links

Change-Id: Icc36ff318de4177bf0941235243298baef83d1e6
CRs-Fixed: 3341502
This commit is contained in:
Shashikala Prabhu
2022-11-16 00:29:39 +05:30
committed by Madan Koyyalamudi
parent 6b53d5f9bb
commit b699679cb9
3 changed files with 228 additions and 319 deletions
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3
umac/cmn_services/cmn_defs/inc/wlan_cmn_ieee80211.h
View File

@@ -2595,6 +2595,9 @@ struct wlan_ml_rv_linfo_perstaprof {
/* All Updates Included */ /* All Updates Included */
#define WLAN_RNR_NBRAPINFO_TBTTINFO_MLDPARAMS_ALLUPDATESINC_IDX 20 #define WLAN_RNR_NBRAPINFO_TBTTINFO_MLDPARAMS_ALLUPDATESINC_IDX 20
#define WLAN_RNR_NBRAPINFO_TBTTINFO_MLDPARAMS_ALLUPDATESINC_BITS 1 #define WLAN_RNR_NBRAPINFO_TBTTINFO_MLDPARAMS_ALLUPDATESINC_BITS 1
/* Disabled link indication */
#define WLAN_RNR_NBRAPINFO_TBTTINFO_MLDPARAMS_DISABLEDLINKIND_IDX 21
#define WLAN_RNR_NBRAPINFO_TBTTINFO_MLDPARAMS_DISABLEDLINKIND_BITS 1
/* /*
* End of definitions related to MLO specific aspects of Reduced Neighbor Report * End of definitions related to MLO specific aspects of Reduced Neighbor Report

50
umac/mlo_mgr/inc/wlan_mlo_t2lm.h
View File

@@ -40,34 +40,33 @@
#define t2lm_debug(format, args...) \ #define t2lm_debug(format, args...) \
QDF_TRACE_DEBUG(QDF_MODULE_ID_T2LM, format, ## args) QDF_TRACE_DEBUG(QDF_MODULE_ID_T2LM, format, ## args)
#define t2lm_rl_debug(format, args...) \
QDF_TRACE_DEBUG_RL(QDF_MODULE_ID_T2LM, format, ## args)
#define WLAN_T2LM_MAX_NUM_LINKS 16 #define WLAN_T2LM_MAX_NUM_LINKS 16
/** /**
* wlan_mlo_parse_t2lm_ie() - API to parse the T2LM IE * wlan_mlo_parse_t2lm_ie() - API to parse the T2LM IE
* @peer: Pointer to peer structure
* @t2lm: Pointer to T2LM structure * @t2lm: Pointer to T2LM structure
* @ie: Pointer to T2LM IE * @ie: Pointer to T2LM IE
* *
* Return: QDF_STATUS * Return: QDF_STATUS
*/ */
QDF_STATUS wlan_mlo_parse_t2lm_ie( QDF_STATUS wlan_mlo_parse_t2lm_ie(
struct wlan_objmgr_peer *peer,
struct wlan_t2lm_onging_negotiation_info *t2lm, uint8_t *ie); struct wlan_t2lm_onging_negotiation_info *t2lm, uint8_t *ie);
/** /**
* wlan_mlo_add_t2lm_ie() - API to add TID-to-link mapping IE * wlan_mlo_add_t2lm_ie() - API to add TID-to-link mapping IE
* @frm: Pointer to buffer * @frm: Pointer to buffer
* @peer: Pointer to peer structure
* @t2lm: Pointer to t2lm mapping structure * @t2lm: Pointer to t2lm mapping structure
* *
* Return: Updated frame pointer * Return: Updated frame pointer
*/ */
uint8_t *wlan_mlo_add_t2lm_ie(uint8_t *frm, struct wlan_objmgr_peer *peer, uint8_t *wlan_mlo_add_t2lm_ie(uint8_t *frm,
struct wlan_t2lm_onging_negotiation_info *t2lm); struct wlan_t2lm_onging_negotiation_info *t2lm);
/** /**
* wlan_mlo_parse_t2lm_action_frame() - API to parse T2LM action frame * wlan_mlo_parse_t2lm_action_frame() - API to parse T2LM action frame
* @peer: Pointer to peer structure
* @t2lm: Pointer to T2LM structure * @t2lm: Pointer to T2LM structure
* @action_frm: Pointer to action frame * @action_frm: Pointer to action frame
* @category: T2LM action frame category * @category: T2LM action frame category
@@ -75,14 +74,12 @@ uint8_t *wlan_mlo_add_t2lm_ie(uint8_t *frm, struct wlan_objmgr_peer *peer,
* Return: 0 - success, else failure * Return: 0 - success, else failure
*/ */
int wlan_mlo_parse_t2lm_action_frame( int wlan_mlo_parse_t2lm_action_frame(
struct wlan_objmgr_peer *peer,
struct wlan_t2lm_onging_negotiation_info *t2lm, struct wlan_t2lm_onging_negotiation_info *t2lm,
struct wlan_action_frame *action_frm, struct wlan_action_frame *action_frm,
enum wlan_t2lm_category category); enum wlan_t2lm_category category);
/** /**
* wlan_mlo_add_t2lm_action_frame() - API to add T2LM action frame * 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 * @frm: Pointer to a frame to add T2LM IE
* @args: T2LM action frame related info * @args: T2LM action frame related info
* @buf: Pointer to T2LM IE values * @buf: Pointer to T2LM IE values
@@ -91,19 +88,37 @@ int wlan_mlo_parse_t2lm_action_frame(
* Return: Pointer to the updated frame buffer * Return: Pointer to the updated frame buffer
*/ */
uint8_t *wlan_mlo_add_t2lm_action_frame( uint8_t *wlan_mlo_add_t2lm_action_frame(
struct wlan_objmgr_peer *peer,
uint8_t *frm, struct wlan_action_frame_args *args, uint8_t *frm, struct wlan_action_frame_args *args,
uint8_t *buf, enum wlan_t2lm_category category); uint8_t *buf, enum wlan_t2lm_category category);
/**
* wlan_mlo_parse_bcn_prbresp_t2lm_ie() - API to parse the T2LM IE from beacon/
* probe response frame
* @t2lm_ctx: T2LM context
* @ie: Pointer to T2LM IE
*
* Return: QDF_STATUS
*/
QDF_STATUS wlan_mlo_parse_bcn_prbresp_t2lm_ie(
struct wlan_t2lm_context *t2lm_ctx, uint8_t *ie);
/**
* wlan_mlo_add_t2lm_info_ie() - Add T2LM IE for UL/DL/Bidirection
* @frm: Pointer to buffer
* @t2lm: Pointer to t2lm mapping structure
*
* Return: Updated frame pointer
*/
uint8_t *wlan_mlo_add_t2lm_info_ie(uint8_t *frm, struct wlan_t2lm_info *t2lm);
#else #else
static inline QDF_STATUS wlan_mlo_parse_t2lm_ie( static inline QDF_STATUS wlan_mlo_parse_t2lm_ie(
struct wlan_objmgr_peer *peer,
struct wlan_t2lm_onging_negotiation_info *t2lm, uint8_t *ie) struct wlan_t2lm_onging_negotiation_info *t2lm, uint8_t *ie)
{ {
return QDF_STATUS_E_FAILURE; return QDF_STATUS_E_FAILURE;
} }
static inline static inline
int8_t *wlan_mlo_add_t2lm_ie(uint8_t *frm, struct wlan_objmgr_peer *peer, int8_t *wlan_mlo_add_t2lm_ie(uint8_t *frm,
struct wlan_t2lm_onging_negotiation_info *t2lm) struct wlan_t2lm_onging_negotiation_info *t2lm)
{ {
return frm; return frm;
@@ -111,7 +126,6 @@ int8_t *wlan_mlo_add_t2lm_ie(uint8_t *frm, struct wlan_objmgr_peer *peer,
static inline static inline
int wlan_mlo_parse_t2lm_action_frame( int wlan_mlo_parse_t2lm_action_frame(
struct wlan_objmgr_peer *peer,
struct wlan_t2lm_onging_negotiation_info *t2lm, struct wlan_t2lm_onging_negotiation_info *t2lm,
struct wlan_action_frame *action_frm, struct wlan_action_frame *action_frm,
enum wlan_t2lm_category category) enum wlan_t2lm_category category)
@@ -121,11 +135,23 @@ int wlan_mlo_parse_t2lm_action_frame(
static inline static inline
uint8_t *wlan_mlo_add_t2lm_action_frame( uint8_t *wlan_mlo_add_t2lm_action_frame(
struct wlan_objmgr_peer *peer,
uint8_t *frm, struct wlan_action_frame_args *args, uint8_t *frm, struct wlan_action_frame_args *args,
uint8_t *buf, enum wlan_t2lm_category category) uint8_t *buf, enum wlan_t2lm_category category)
{ {
return frm; return frm;
} }
static inline
QDF_STATUS wlan_mlo_parse_bcn_prbresp_t2lm_ie(
struct wlan_t2lm_context *t2lm_ctx, uint8_t *ie)
{
return QDF_STATUS_E_FAILURE;
}
static inline
uint8_t *wlan_mlo_add_t2lm_info_ie(uint8_t *frm, struct wlan_t2lm_info *t2lm)
{
return frm;
}
#endif /* WLAN_FEATURE_11BE */ #endif /* WLAN_FEATURE_11BE */
#endif /* _WLAN_MLO_T2LM_H_ */ #endif /* _WLAN_MLO_T2LM_H_ */

494
umac/mlo_mgr/src/wlan_mlo_t2lm.c
View File

@@ -26,138 +26,34 @@
#include <wlan_mlo_mgr_cmn.h> #include <wlan_mlo_mgr_cmn.h>
#include <qdf_util.h> #include <qdf_util.h>
/**
* wlan_mlo_get_hw_link_id_mask() - Return hw_link_id mask for a given
* ieee_link_id_mask.
* @wlan_vdev_list: vdev list
* @vdev_count: vdev count
* @ieee_link_id_mask: IEEE link id mask
*
* Return: hw_link_id mask
*/
static uint8_t wlan_mlo_get_hw_link_id_mask(
struct wlan_objmgr_vdev **wlan_vdev_list,
uint16_t vdev_count, uint16_t ieee_link_id_mask)
{
struct wlan_objmgr_pdev *pdev;
struct wlan_objmgr_vdev *vdev;
uint8_t link_id;
uint16_t ieee_link_id;
uint16_t hw_link_id_mask = 0;
int i;
for (link_id = 0; link_id < WLAN_T2LM_MAX_NUM_LINKS; link_id++) {
ieee_link_id = ieee_link_id_mask & BIT(link_id);
if (!ieee_link_id)
continue;
for (i = 0; i < vdev_count; i++) {
vdev = wlan_vdev_list[i];
if (!vdev) {
t2lm_err("vdev is null");
continue;
}
if (ieee_link_id != BIT(vdev->vdev_mlme.mlo_link_id))
continue;
pdev = wlan_vdev_get_pdev(vdev);
if (!pdev) {
t2lm_err("pdev is null");
continue;
}
hw_link_id_mask |=
BIT(wlan_mlo_get_pdev_hw_link_id(pdev));
break;
}
}
return hw_link_id_mask;
}
/**
* wlan_mlo_parse_t2lm_provisioned_links() - Parse the T2LM provisioned links
* from the T2LM IE.
* @peer: Pointer to peer structure
* @link_mapping_presence_ind: This indicates whether the link mapping of TIDs
* present in the T2LM IE.
* @link_mapping_of_tids: Link mapping of each TID
* @t2lm: Pointer to a T2LM structure
* @dir: DL/UL/BIDI direction
*
* Return: QDF_STATUS
*/
static QDF_STATUS wlan_mlo_parse_t2lm_provisioned_links(
struct wlan_objmgr_peer *peer,
uint8_t link_mapping_presence_ind,
uint8_t *link_mapping_of_tids,
struct wlan_t2lm_onging_negotiation_info *t2lm,
enum wlan_t2lm_direction dir)
{
struct wlan_objmgr_vdev *vdev;
struct wlan_objmgr_vdev *wlan_vdev_list[WLAN_UMAC_MLO_MAX_VDEVS] = {0};
uint16_t vdev_count = 0;
uint16_t hw_link_id_mask;
uint8_t tid_num;
uint16_t i;
vdev = wlan_peer_get_vdev(peer);
if (!vdev) {
t2lm_err("vdev is null");
return QDF_STATUS_E_NULL_VALUE;
}
mlo_get_ml_vdev_list(vdev, &vdev_count, wlan_vdev_list);
if (!vdev_count) {
t2lm_err("Number of VDEVs under MLD is reported as 0");
return QDF_STATUS_E_NULL_VALUE;
}
for (tid_num = 0; tid_num < T2LM_MAX_NUM_TIDS; tid_num++) {
if (link_mapping_presence_ind & BIT(tid_num)) {
hw_link_id_mask = wlan_mlo_get_hw_link_id_mask(
wlan_vdev_list, vdev_count,
*(uint16_t *)link_mapping_of_tids);
t2lm->t2lm_info[dir].hw_link_map_tid[tid_num] =
hw_link_id_mask;
link_mapping_of_tids += sizeof(uint16_t);
}
}
for (i = 0; i < vdev_count; i++)
mlo_release_vdev_ref(wlan_vdev_list[i]);
return QDF_STATUS_SUCCESS;
}
/** /**
* wlan_mlo_parse_t2lm_info() - Parse T2LM IE fields * wlan_mlo_parse_t2lm_info() - Parse T2LM IE fields
* @peer: Pointer to peer structure
* @ie: Pointer to T2LM IE * @ie: Pointer to T2LM IE
* @t2lm: Pointer to T2LM structure * @t2lm: Pointer to T2LM structure
* *
* Return: QDF_STATUS * Return: QDF_STATUS
*/ */
static QDF_STATUS wlan_mlo_parse_t2lm_info( static QDF_STATUS wlan_mlo_parse_t2lm_info(uint8_t *ie,
struct wlan_objmgr_peer *peer, uint8_t *ie, struct wlan_t2lm_info *t2lm)
struct wlan_t2lm_onging_negotiation_info *t2lm)
{ {
struct wlan_ie_tid_to_link_mapping *t2lm_ie;
enum wlan_t2lm_direction dir; enum wlan_t2lm_direction dir;
uint8_t *t2lm_control_field; uint8_t *t2lm_control_field;
uint16_t t2lm_control; uint16_t t2lm_control;
uint8_t link_mapping_presence_ind; uint8_t link_mapping_presence_ind;
uint8_t *link_mapping_of_tids; uint8_t *link_mapping_of_tids;
uint8_t tid_num; uint8_t tid_num;
QDF_STATUS ret; uint8_t *ie_ptr = NULL;
t2lm_control_field = ie + sizeof(struct wlan_ie_tid_to_link_mapping); t2lm_ie = (struct wlan_ie_tid_to_link_mapping *)ie;
t2lm_control_field = t2lm_ie->data;
if (!t2lm_control_field) { if (!t2lm_control_field) {
t2lm_err("t2lm_control_field is null"); t2lm_err("t2lm_control_field is null");
return QDF_STATUS_E_NULL_VALUE; return QDF_STATUS_E_NULL_VALUE;
} }
t2lm_control = *(uint16_t *)t2lm_control_field; t2lm_control = qdf_le16_to_cpu(*(uint16_t *)t2lm_control_field);
dir = QDF_GET_BITS(t2lm_control, WLAN_T2LM_CONTROL_DIRECTION_IDX, dir = QDF_GET_BITS(t2lm_control, WLAN_T2LM_CONTROL_DIRECTION_IDX,
WLAN_T2LM_CONTROL_DIRECTION_BITS); WLAN_T2LM_CONTROL_DIRECTION_BITS);
@@ -166,57 +62,124 @@ static QDF_STATUS wlan_mlo_parse_t2lm_info(
return QDF_STATUS_E_NULL_VALUE; return QDF_STATUS_E_NULL_VALUE;
} }
t2lm->t2lm_info[dir].direction = dir; t2lm->direction = dir;
t2lm->t2lm_info[dir].default_link_mapping = t2lm->default_link_mapping =
QDF_GET_BITS(t2lm_control, QDF_GET_BITS(t2lm_control,
WLAN_T2LM_CONTROL_DEFAULT_LINK_MAPPING_IDX, WLAN_T2LM_CONTROL_DEFAULT_LINK_MAPPING_IDX,
WLAN_T2LM_CONTROL_DEFAULT_LINK_MAPPING_BITS); WLAN_T2LM_CONTROL_DEFAULT_LINK_MAPPING_BITS);
t2lm_debug("direction:%d default_link_mapping:%d", t2lm->mapping_switch_time_present =
t2lm->t2lm_info[dir].direction, QDF_GET_BITS(t2lm_control,
t2lm->t2lm_info[dir].default_link_mapping); WLAN_T2LM_CONTROL_MAPPING_SWITCH_TIME_PRESENT_IDX,
WLAN_T2LM_CONTROL_MAPPING_SWITCH_TIME_PRESENT_BITS);
/* Link mapping of TIDs are not present when default mapping is set */ t2lm->expected_duration_present =
if (t2lm->t2lm_info[dir].default_link_mapping) QDF_GET_BITS(t2lm_control,
WLAN_T2LM_CONTROL_EXPECTED_DURATION_PRESENT_IDX,
WLAN_T2LM_CONTROL_EXPECTED_DURATION_PRESENT_BITS);
t2lm_debug("direction:%d default_link_mapping:%d mapping_switch_time_present:%d expected_duration_present:%d",
t2lm->direction, t2lm->default_link_mapping,
t2lm->mapping_switch_time_present,
t2lm->expected_duration_present);
if (t2lm->default_link_mapping) {
ie_ptr = t2lm_control_field + sizeof(uint8_t);
} else {
link_mapping_presence_ind =
QDF_GET_BITS(t2lm_control,
WLAN_T2LM_CONTROL_LINK_MAPPING_PRESENCE_INDICATOR_IDX,
WLAN_T2LM_CONTROL_LINK_MAPPING_PRESENCE_INDICATOR_BITS);
ie_ptr = t2lm_control_field + sizeof(t2lm_control);
}
if (t2lm->mapping_switch_time_present) {
t2lm->mapping_switch_time =
qdf_le16_to_cpu(*(uint16_t *)ie_ptr);
ie_ptr += sizeof(uint16_t);
}
if (t2lm->expected_duration_present) {
qdf_mem_copy(&t2lm->expected_duration, ie_ptr,
WLAN_T2LM_EXPECTED_DURATION_SIZE *
(sizeof(uint8_t)));
ie_ptr += WLAN_T2LM_EXPECTED_DURATION_SIZE * (sizeof(uint8_t));
}
t2lm_debug("direction:%d default_link_mapping:%d mapping_switch_time:%d expected_duration:%d",
t2lm->direction, t2lm->default_link_mapping,
t2lm->mapping_switch_time, t2lm->expected_duration);
if (t2lm->default_link_mapping)
return QDF_STATUS_SUCCESS; return QDF_STATUS_SUCCESS;
link_mapping_presence_ind = QDF_GET_BITS( link_mapping_of_tids = ie_ptr;
t2lm_control,
WLAN_T2LM_CONTROL_LINK_MAPPING_PRESENCE_INDICATOR_IDX,
WLAN_T2LM_CONTROL_LINK_MAPPING_PRESENCE_INDICATOR_BITS);
link_mapping_of_tids = t2lm_control_field + sizeof(t2lm_control);
ret = wlan_mlo_parse_t2lm_provisioned_links(peer,
link_mapping_presence_ind,
link_mapping_of_tids, t2lm,
dir);
if (ret) {
t2lm_err("failed to populate provisioned links");
return ret;
}
for (tid_num = 0; tid_num < T2LM_MAX_NUM_TIDS; tid_num++) { for (tid_num = 0; tid_num < T2LM_MAX_NUM_TIDS; tid_num++) {
if (link_mapping_presence_ind & BIT(tid_num)) if (!(link_mapping_presence_ind & BIT(tid_num)))
t2lm_debug("link mapping of TID%d is %x", tid_num, continue;
t2lm->t2lm_info[dir].hw_link_map_tid[tid_num]);
t2lm->ieee_link_map_tid[tid_num] =
qdf_le16_to_cpu(*(uint16_t *)link_mapping_of_tids);
t2lm_debug("link mapping of TID%d is %x", tid_num,
t2lm->ieee_link_map_tid[tid_num]);
link_mapping_of_tids += sizeof(uint16_t);
} }
return ret; return QDF_STATUS_SUCCESS;
}
QDF_STATUS wlan_mlo_parse_bcn_prbresp_t2lm_ie(
struct wlan_t2lm_context *t2lm_ctx, uint8_t *ie)
{
struct extn_ie_header *ext_ie_hdr;
QDF_STATUS retval;
int i = 0;
for (i = 0; i < t2lm_ctx->num_of_t2lm_ie; i++) {
qdf_mem_zero(&t2lm_ctx->t2lm_ie[i].t2lm,
sizeof(struct wlan_t2lm_info));
t2lm_ctx->t2lm_ie[i].t2lm.direction =
WLAN_T2LM_INVALID_DIRECTION;
}
t2lm_ctx->num_of_t2lm_ie = 0;
for (i = 0; i < WLAN_MAX_T2LM_IE; i++) {
if (!ie) {
t2lm_err("ie is null");
return QDF_STATUS_E_NULL_VALUE;
}
ext_ie_hdr = (struct extn_ie_header *)ie;
if (ext_ie_hdr->ie_id == WLAN_ELEMID_EXTN_ELEM &&
ext_ie_hdr->ie_extn_id == WLAN_EXTN_ELEMID_T2LM) {
retval = wlan_mlo_parse_t2lm_info(
ie, &t2lm_ctx->t2lm_ie[i].t2lm);
if (retval) {
t2lm_err("Failed to parse the T2LM IE");
return retval;
}
t2lm_ctx->num_of_t2lm_ie++;
ie += ext_ie_hdr->ie_len + sizeof(struct ie_header);
}
}
return QDF_STATUS_SUCCESS;
} }
QDF_STATUS wlan_mlo_parse_t2lm_ie( QDF_STATUS wlan_mlo_parse_t2lm_ie(
struct wlan_objmgr_peer *peer,
struct wlan_t2lm_onging_negotiation_info *t2lm, uint8_t *ie) struct wlan_t2lm_onging_negotiation_info *t2lm, uint8_t *ie)
{ {
struct extn_ie_header *ext_ie_hdr; struct extn_ie_header *ext_ie_hdr = NULL;
enum wlan_t2lm_direction dir;
QDF_STATUS retval; QDF_STATUS retval;
enum wlan_t2lm_direction dir;
if (!peer) { struct wlan_t2lm_info t2lm_info;
t2lm_err("null peer");
return QDF_STATUS_E_NULL_VALUE;
}
for (dir = 0; dir < WLAN_T2LM_MAX_DIRECTION; dir++) for (dir = 0; dir < WLAN_T2LM_MAX_DIRECTION; dir++)
t2lm->t2lm_info[dir].direction = WLAN_T2LM_INVALID_DIRECTION; t2lm->t2lm_info[dir].direction = WLAN_T2LM_INVALID_DIRECTION;
@@ -231,8 +194,14 @@ QDF_STATUS wlan_mlo_parse_t2lm_ie(
if (ext_ie_hdr->ie_id == WLAN_ELEMID_EXTN_ELEM && if (ext_ie_hdr->ie_id == WLAN_ELEMID_EXTN_ELEM &&
ext_ie_hdr->ie_extn_id == WLAN_EXTN_ELEMID_T2LM) { ext_ie_hdr->ie_extn_id == WLAN_EXTN_ELEMID_T2LM) {
retval = wlan_mlo_parse_t2lm_info(peer, ie, t2lm); qdf_mem_zero(&t2lm_info, sizeof(t2lm_info));
if (retval) { retval = wlan_mlo_parse_t2lm_info(ie, &t2lm_info);
if (!retval &&
t2lm_info.direction < WLAN_T2LM_MAX_DIRECTION) {
qdf_mem_copy(&t2lm->t2lm_info[t2lm_info.direction],
&t2lm_info,
sizeof(struct wlan_t2lm_info));
} else {
t2lm_err("Failed to parse the T2LM IE"); t2lm_err("Failed to parse the T2LM IE");
return retval; return retval;
} }
@@ -261,125 +230,13 @@ QDF_STATUS wlan_mlo_parse_t2lm_ie(
} }
/** /**
* wlan_get_ieee_link_id_mask() - Get ieee_link_id mask from hw_link_id mask * wlan_mlo_add_t2lm_info_ie() - Add T2LM IE for UL/DL/Bidirection
* @wlan_vdev_list: Pointer to vdev list
* @vdev_count: vdev count
* @hw_link_id_mask: hw_link_id mask
*
* Return: IEEE link ID mask
*/
static uint8_t wlan_get_ieee_link_id_mask(
struct wlan_objmgr_vdev **wlan_vdev_list,
uint16_t vdev_count, uint16_t hw_link_id_mask)
{
struct wlan_objmgr_pdev *pdev;
struct wlan_objmgr_vdev *vdev;
uint8_t link_id;
uint16_t hw_link_id;
uint16_t ieee_link_id_mask = 0;
int i;
for (link_id = 0; link_id < WLAN_T2LM_MAX_NUM_LINKS; link_id++) {
hw_link_id = hw_link_id_mask & BIT(link_id);
if (!hw_link_id)
continue;
for (i = 0; i < vdev_count; i++) {
vdev = wlan_vdev_list[i];
if (!vdev) {
t2lm_err("vdev is null");
continue;
}
pdev = wlan_vdev_get_pdev(vdev);
if (!pdev) {
t2lm_err("pdev is null");
continue;
}
if (hw_link_id != BIT(wlan_mlo_get_pdev_hw_link_id(pdev)))
continue;
ieee_link_id_mask |= BIT(vdev->vdev_mlme.mlo_link_id);
break;
}
}
return ieee_link_id_mask;
}
/**
* wlan_mlo_add_t2lm_provisioned_links() - API to add provisioned links in the
* T2LM IE
* @peer: Pointer to peer structure
* @link_mapping_presence_indicator: This indicates whether the link mapping of
* TIDs present in the T2LM IE.
* @link_mapping_of_tids: Link mapping of each TID
* @t2lm: Pointer to a T2LM structure
* @num_tids: Pointer to save num TIDs
*
* Return: QDF_STATUS
*/
static QDF_STATUS wlan_mlo_add_t2lm_provisioned_links(
struct wlan_objmgr_peer *peer,
uint8_t link_mapping_presence_indicator,
uint8_t *link_mapping_of_tids, struct wlan_t2lm_info *t2lm,
uint8_t *num_tids)
{
struct wlan_objmgr_vdev *vdev;
struct wlan_objmgr_vdev *wlan_vdev_list[WLAN_UMAC_MLO_MAX_VDEVS] = {0};
uint16_t vdev_count = 0;
uint16_t hw_link_id_mask;
uint16_t ieee_link_id_mask;
uint8_t tid_num;
uint16_t i;
vdev = wlan_peer_get_vdev(peer);
if (!vdev) {
t2lm_err("vdev is null");
return QDF_STATUS_E_NULL_VALUE;
}
mlo_get_ml_vdev_list(vdev, &vdev_count, wlan_vdev_list);
if (!vdev_count) {
t2lm_err("Number of VDEVs under MLD is reported as 0");
return QDF_STATUS_E_NULL_VALUE;
}
for (tid_num = 0; tid_num < T2LM_MAX_NUM_TIDS; tid_num++) {
ieee_link_id_mask = 0;
if (t2lm->hw_link_map_tid[tid_num]) {
hw_link_id_mask = t2lm->hw_link_map_tid[tid_num];
ieee_link_id_mask = wlan_get_ieee_link_id_mask(
wlan_vdev_list, vdev_count,
hw_link_id_mask);
}
*(uint16_t *)link_mapping_of_tids = ieee_link_id_mask;
t2lm_info("link mapping of TID%d is %x", tid_num,
ieee_link_id_mask);
link_mapping_of_tids += sizeof(uint16_t);
(*num_tids)++;
}
for (i = 0; i < vdev_count; i++)
mlo_release_vdev_ref(wlan_vdev_list[i]);
return QDF_STATUS_SUCCESS;
}
/**
* wlan_add_t2lm_info_ie() - Add T2LM IE for UL/DL/Bidirection
* @frm: Pointer to buffer * @frm: Pointer to buffer
* @peer: Pointer to peer structure
* @t2lm: Pointer to t2lm mapping structure * @t2lm: Pointer to t2lm mapping structure
* *
* Return: Updated frame pointer * Return: Updated frame pointer
*/ */
static uint8_t *wlan_add_t2lm_info_ie(uint8_t *frm, uint8_t *wlan_mlo_add_t2lm_info_ie(uint8_t *frm, struct wlan_t2lm_info *t2lm)
struct wlan_objmgr_peer *peer,
struct wlan_t2lm_info *t2lm)
{ {
struct wlan_ie_tid_to_link_mapping *t2lm_ie; struct wlan_ie_tid_to_link_mapping *t2lm_ie;
uint16_t t2lm_control = 0; uint16_t t2lm_control = 0;
@@ -388,8 +245,6 @@ static uint8_t *wlan_add_t2lm_info_ie(uint8_t *frm,
uint8_t tid_num; uint8_t tid_num;
uint8_t num_tids = 0; uint8_t num_tids = 0;
uint8_t link_mapping_presence_indicator = 0; uint8_t link_mapping_presence_indicator = 0;
uint8_t *efrm = frm;
int ret;
t2lm_ie = (struct wlan_ie_tid_to_link_mapping *)frm; t2lm_ie = (struct wlan_ie_tid_to_link_mapping *)frm;
t2lm_ie->elem_id = WLAN_ELEMID_EXTN_ELEM; t2lm_ie->elem_id = WLAN_ELEMID_EXTN_ELEM;
@@ -406,6 +261,16 @@ static uint8_t *wlan_add_t2lm_info_ie(uint8_t *frm,
WLAN_T2LM_CONTROL_DEFAULT_LINK_MAPPING_BITS, WLAN_T2LM_CONTROL_DEFAULT_LINK_MAPPING_BITS,
t2lm->default_link_mapping); t2lm->default_link_mapping);
QDF_SET_BITS(t2lm_control,
WLAN_T2LM_CONTROL_MAPPING_SWITCH_TIME_PRESENT_IDX,
WLAN_T2LM_CONTROL_MAPPING_SWITCH_TIME_PRESENT_BITS,
t2lm->mapping_switch_time_present);
QDF_SET_BITS(t2lm_control,
WLAN_T2LM_CONTROL_EXPECTED_DURATION_PRESENT_IDX,
WLAN_T2LM_CONTROL_EXPECTED_DURATION_PRESENT_BITS,
t2lm->expected_duration_present);
if (t2lm->default_link_mapping) { if (t2lm->default_link_mapping) {
/* Link mapping of TIDs are not present when default mapping is /* Link mapping of TIDs are not present when default mapping is
* set. Hence, the size of TID-To-Link mapping control is one * set. Hence, the size of TID-To-Link mapping control is one
@@ -415,8 +280,8 @@ static uint8_t *wlan_add_t2lm_info_ie(uint8_t *frm,
t2lm_ie->elem_len += sizeof(uint8_t); t2lm_ie->elem_len += sizeof(uint8_t);
t2lm_info("T2LM IE added, default_link_mapping: %d dir:%d", t2lm_rl_debug("T2LM IE added, default_link_mapping: %d dir:%d",
t2lm->default_link_mapping, t2lm->direction); t2lm->default_link_mapping, t2lm->direction);
frm += sizeof(*t2lm_ie) + sizeof(uint8_t); frm += sizeof(*t2lm_ie) + sizeof(uint8_t);
} else { } else {
@@ -428,35 +293,59 @@ static uint8_t *wlan_add_t2lm_info_ie(uint8_t *frm,
WLAN_T2LM_CONTROL_LINK_MAPPING_PRESENCE_INDICATOR_IDX, WLAN_T2LM_CONTROL_LINK_MAPPING_PRESENCE_INDICATOR_IDX,
WLAN_T2LM_CONTROL_LINK_MAPPING_PRESENCE_INDICATOR_BITS, WLAN_T2LM_CONTROL_LINK_MAPPING_PRESENCE_INDICATOR_BITS,
link_mapping_presence_indicator); link_mapping_presence_indicator);
t2lm_info("T2LM IE added, direction:%d link_mapping_presence_indicator:%x", t2lm_rl_debug("T2LM IE added, direction:%d link_mapping_presence_indicator:%x",
t2lm->direction, link_mapping_presence_indicator); t2lm->direction, link_mapping_presence_indicator);
/* The size of TID-To-Link mapping control is two octets when /* The size of TID-To-Link mapping control is two octets when
* default link mapping is not set. * default link mapping is not set.
*/ */
*(uint16_t *)t2lm_control_field = htole16(t2lm_control); *(uint16_t *)t2lm_control_field = htole16(t2lm_control);
frm += sizeof(*t2lm_ie) + sizeof(uint16_t);
link_mapping_of_tids = t2lm_control_field + sizeof(uint16_t); t2lm_ie->elem_len += sizeof(uint16_t);
ret = wlan_mlo_add_t2lm_provisioned_links(
peer, link_mapping_presence_indicator,
link_mapping_of_tids, t2lm, &num_tids);
if (ret) {
t2lm_err("Failed to add t2lm provisioned links");
return efrm;
}
t2lm_ie->elem_len += sizeof(uint16_t) +
(num_tids * sizeof(uint16_t));
frm += sizeof(*t2lm_ie) + sizeof(uint16_t) +
(num_tids * sizeof(uint16_t));
} }
if (t2lm->mapping_switch_time_present) {
*frm = htole16(t2lm->mapping_switch_time);
frm += sizeof(uint16_t);
t2lm_ie->elem_len += sizeof(uint16_t);
}
if (t2lm->expected_duration_present) {
qdf_mem_copy(frm, &t2lm->expected_duration,
WLAN_T2LM_EXPECTED_DURATION_SIZE *
sizeof(uint8_t));
frm += WLAN_T2LM_EXPECTED_DURATION_SIZE;
t2lm_ie->elem_len +=
WLAN_T2LM_EXPECTED_DURATION_SIZE * sizeof(uint8_t);
}
t2lm_rl_debug("mapping_switch_time:%d expected_duration:%u",
t2lm->mapping_switch_time, t2lm->expected_duration);
if (t2lm->default_link_mapping)
return frm;
link_mapping_of_tids = frm;
for (tid_num = 0; tid_num < T2LM_MAX_NUM_TIDS; tid_num++) {
if (!t2lm->ieee_link_map_tid[tid_num])
continue;
*(uint16_t *)link_mapping_of_tids =
htole16(t2lm->ieee_link_map_tid[tid_num]);
t2lm_rl_debug("link mapping of TID%d is %x", tid_num,
htole16(t2lm->ieee_link_map_tid[tid_num]));
link_mapping_of_tids += sizeof(uint16_t);
num_tids++;
}
frm += num_tids * sizeof(uint16_t);
t2lm_ie->elem_len += (num_tids * sizeof(uint16_t));
return frm; return frm;
} }
uint8_t *wlan_mlo_add_t2lm_ie(uint8_t *frm, struct wlan_objmgr_peer *peer, uint8_t *wlan_mlo_add_t2lm_ie(uint8_t *frm,
struct wlan_t2lm_onging_negotiation_info *t2lm) struct wlan_t2lm_onging_negotiation_info *t2lm)
{ {
uint8_t dir; uint8_t dir;
@@ -487,8 +376,8 @@ uint8_t *wlan_mlo_add_t2lm_ie(uint8_t *frm, struct wlan_objmgr_peer *peer,
for (dir = 0; dir < WLAN_T2LM_MAX_DIRECTION; dir++) { for (dir = 0; dir < WLAN_T2LM_MAX_DIRECTION; dir++) {
if (t2lm->t2lm_info[dir].direction != if (t2lm->t2lm_info[dir].direction !=
WLAN_T2LM_INVALID_DIRECTION) WLAN_T2LM_INVALID_DIRECTION)
frm = wlan_add_t2lm_info_ie(frm, peer, frm = wlan_mlo_add_t2lm_info_ie(frm,
&t2lm->t2lm_info[dir]); &t2lm->t2lm_info[dir]);
} }
return frm; return frm;
@@ -497,7 +386,6 @@ uint8_t *wlan_mlo_add_t2lm_ie(uint8_t *frm, struct wlan_objmgr_peer *peer,
/** /**
* wlan_mlo_parse_t2lm_request_action_frame() - API to parse T2LM request action * wlan_mlo_parse_t2lm_request_action_frame() - API to parse T2LM request action
* frame. * frame.
* @peer: Pointer to peer structure
* @t2lm: Pointer to T2LM structure * @t2lm: Pointer to T2LM structure
* @action_frm: Pointer to action frame * @action_frm: Pointer to action frame
* @category: T2LM action frame category * @category: T2LM action frame category
@@ -505,7 +393,6 @@ uint8_t *wlan_mlo_add_t2lm_ie(uint8_t *frm, struct wlan_objmgr_peer *peer,
* Return: QDF_STATUS * Return: QDF_STATUS
*/ */
static QDF_STATUS wlan_mlo_parse_t2lm_request_action_frame( static QDF_STATUS wlan_mlo_parse_t2lm_request_action_frame(
struct wlan_objmgr_peer *peer,
struct wlan_t2lm_onging_negotiation_info *t2lm, struct wlan_t2lm_onging_negotiation_info *t2lm,
struct wlan_action_frame *action_frm, struct wlan_action_frame *action_frm,
enum wlan_t2lm_category category) enum wlan_t2lm_category category)
@@ -530,14 +417,13 @@ static QDF_STATUS wlan_mlo_parse_t2lm_request_action_frame(
t2lm->dialog_token = *t2lm_action_frm; t2lm->dialog_token = *t2lm_action_frm;
return wlan_mlo_parse_t2lm_ie(peer, t2lm, return wlan_mlo_parse_t2lm_ie(t2lm,
t2lm_action_frm + sizeof(uint8_t)); t2lm_action_frm + sizeof(uint8_t));
} }
/** /**
* wlan_mlo_parse_t2lm_response_action_frame() - API to parse T2LM response * wlan_mlo_parse_t2lm_response_action_frame() - API to parse T2LM response
* action frame. * action frame.
* @peer: Pointer to peer structure
* @t2lm: Pointer to T2LM structure * @t2lm: Pointer to T2LM structure
* @action_frm: Pointer to action frame * @action_frm: Pointer to action frame
* @category: T2LM action frame category * @category: T2LM action frame category
@@ -545,7 +431,6 @@ static QDF_STATUS wlan_mlo_parse_t2lm_request_action_frame(
* Return: QDF_STATUS * Return: QDF_STATUS
*/ */
static QDF_STATUS wlan_mlo_parse_t2lm_response_action_frame( static QDF_STATUS wlan_mlo_parse_t2lm_response_action_frame(
struct wlan_objmgr_peer *peer,
struct wlan_t2lm_onging_negotiation_info *t2lm, struct wlan_t2lm_onging_negotiation_info *t2lm,
struct wlan_action_frame *action_frm, struct wlan_action_frame *action_frm,
enum wlan_t2lm_category category) enum wlan_t2lm_category category)
@@ -574,14 +459,13 @@ static QDF_STATUS wlan_mlo_parse_t2lm_response_action_frame(
if (t2lm->t2lm_resp_type == if (t2lm->t2lm_resp_type ==
WLAN_T2LM_RESP_TYPE_PREFERRED_TID_TO_LINK_MAPPING) { WLAN_T2LM_RESP_TYPE_PREFERRED_TID_TO_LINK_MAPPING) {
t2lm_action_frm += sizeof(uint8_t) + sizeof(uint8_t); t2lm_action_frm += sizeof(uint8_t) + sizeof(uint8_t);
ret_val = wlan_mlo_parse_t2lm_ie(peer, t2lm, t2lm_action_frm); ret_val = wlan_mlo_parse_t2lm_ie(t2lm, t2lm_action_frm);
} }
return ret_val; return ret_val;
} }
int wlan_mlo_parse_t2lm_action_frame( int wlan_mlo_parse_t2lm_action_frame(
struct wlan_objmgr_peer *peer,
struct wlan_t2lm_onging_negotiation_info *t2lm, struct wlan_t2lm_onging_negotiation_info *t2lm,
struct wlan_action_frame *action_frm, struct wlan_action_frame *action_frm,
enum wlan_t2lm_category category) enum wlan_t2lm_category category)
@@ -592,13 +476,13 @@ int wlan_mlo_parse_t2lm_action_frame(
case WLAN_T2LM_CATEGORY_REQUEST: case WLAN_T2LM_CATEGORY_REQUEST:
{ {
ret_val = wlan_mlo_parse_t2lm_request_action_frame( ret_val = wlan_mlo_parse_t2lm_request_action_frame(
peer, t2lm, action_frm, category); t2lm, action_frm, category);
return qdf_status_to_os_return(ret_val); return qdf_status_to_os_return(ret_val);
} }
case WLAN_T2LM_CATEGORY_RESPONSE: case WLAN_T2LM_CATEGORY_RESPONSE:
{ {
ret_val = wlan_mlo_parse_t2lm_response_action_frame( ret_val = wlan_mlo_parse_t2lm_response_action_frame(
peer, t2lm, action_frm, category); t2lm, action_frm, category);
return qdf_status_to_os_return(ret_val); return qdf_status_to_os_return(ret_val);
} }
@@ -625,7 +509,7 @@ int wlan_mlo_parse_t2lm_action_frame(
} }
static uint8_t *wlan_mlo_add_t2lm_request_action_frame( static uint8_t *wlan_mlo_add_t2lm_request_action_frame(
struct wlan_objmgr_peer *peer, uint8_t *frm, uint8_t *frm,
struct wlan_action_frame_args *args, uint8_t *buf, struct wlan_action_frame_args *args, uint8_t *buf,
enum wlan_t2lm_category category) enum wlan_t2lm_category category)
{ {
@@ -636,11 +520,11 @@ static uint8_t *wlan_mlo_add_t2lm_request_action_frame(
t2lm_info("T2LM request frame: category:%d action:%d dialog_token:%d", t2lm_info("T2LM request frame: category:%d action:%d dialog_token:%d",
args->category, args->action, args->arg1); args->category, args->action, args->arg1);
return wlan_mlo_add_t2lm_ie(frm, peer, (void *)buf); return wlan_mlo_add_t2lm_ie(frm, (void *)buf);
} }
static uint8_t *wlan_mlo_add_t2lm_response_action_frame( static uint8_t *wlan_mlo_add_t2lm_response_action_frame(
struct wlan_objmgr_peer *peer, uint8_t *frm, uint8_t *frm,
struct wlan_action_frame_args *args, uint8_t *buf, struct wlan_action_frame_args *args, uint8_t *buf,
enum wlan_t2lm_category category) enum wlan_t2lm_category category)
{ {
@@ -655,27 +539,23 @@ static uint8_t *wlan_mlo_add_t2lm_response_action_frame(
args->category, args->action, args->arg1, args->arg2); args->category, args->action, args->arg1, args->arg2);
if (args->arg2 == WLAN_T2LM_RESP_TYPE_PREFERRED_TID_TO_LINK_MAPPING) if (args->arg2 == WLAN_T2LM_RESP_TYPE_PREFERRED_TID_TO_LINK_MAPPING)
frm = wlan_mlo_add_t2lm_ie(frm, peer, (void *)buf); frm = wlan_mlo_add_t2lm_ie(frm, (void *)buf);
return frm; return frm;
} }
uint8_t *wlan_mlo_add_t2lm_action_frame( uint8_t *wlan_mlo_add_t2lm_action_frame(
struct wlan_objmgr_peer *peer, uint8_t *frm, uint8_t *frm,
struct wlan_action_frame_args *args, uint8_t *buf, struct wlan_action_frame_args *args, uint8_t *buf,
enum wlan_t2lm_category category) enum wlan_t2lm_category category)
{ {
if (!peer) {
t2lm_err("null peer");
return NULL;
}
switch (category) { switch (category) {
case WLAN_T2LM_CATEGORY_REQUEST: case WLAN_T2LM_CATEGORY_REQUEST:
return wlan_mlo_add_t2lm_request_action_frame(peer, frm, args, return wlan_mlo_add_t2lm_request_action_frame(frm, args,
buf, category); buf, category);
case WLAN_T2LM_CATEGORY_RESPONSE: case WLAN_T2LM_CATEGORY_RESPONSE:
return wlan_mlo_add_t2lm_response_action_frame(peer, frm, args, return wlan_mlo_add_t2lm_response_action_frame(frm, args,
buf, category); buf, category);
case WLAN_T2LM_CATEGORY_TEARDOWN: case WLAN_T2LM_CATEGORY_TEARDOWN:
*frm++ = args->category; *frm++ = args->category;