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qcacmn: Adding and parsing of bandwidth indication element

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Adding and parsing of bandwidth indication element sub IE

Change-Id: I20fca6ecf370d5d20f0e6e8e4f873bf57da3d181
CRs-Fixed: 3464120
This commit is contained in:
Guru Pratap Sharma
2023-04-11 04:20:06 -07:00
zatwierdzone przez Madan Koyyalamudi
rodzic b51c893b65
commit 42a7f2f1b4
4 zmienionych plików z 171 dodań i 3 usunięć
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24
umac/cmn_services/cmn_defs/inc/wlan_cmn_ieee80211.h
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@@ -312,8 +312,22 @@ enum qcn_attribute_id {
#define WLAN_TPE_IE_MAX_LEN 9
#ifdef WLAN_FEATURE_11BE
/* Bandwidth indication element IE minimum length */
#define WLAN_BW_IND_IE_MIN_LEN 3
/* Bandwidth indication element IE maximum length */
#define WLAN_BW_IND_IE_MAX_LEN 9
/* header length is id(1) + length(1)*/
#define WLAN_IE_HDR_LEN 2
/* 20MHz Operating Channel width */
#define IEEE80211_11BEOP_CHWIDTH_20 0
/* 40MHz Operating Channel width */
#define IEEE80211_11BEOP_CHWIDTH_40 1
/* 80MHz Operating Channel width */
#define IEEE80211_11BEOP_CHWIDTH_80 2
/* 160 MHz Operating Channel width */
#define IEEE80211_11BEOP_CHWIDTH_160 3
/* 320 MHz Operating Channel width */
#define IEEE80211_11BEOP_CHWIDTH_320 4
#endif
/* Max channel switch time IE length */
@@ -1898,6 +1912,12 @@ struct subelem_header {
#define EHTOP_INFO_CHAN_WIDTH_IDX 0
#define EHTOP_INFO_CHAN_WIDTH_BITS 3
#define BW_IND_PARAM_DISABLED_SC_BITMAP_PRESENT_IDX 1
#define BW_IND_PARAM_DISABLED_SC_BITMAP_PRESENT_BITS 1
#define BW_IND_CHAN_WIDTH_IDX 0
#define BW_IND_CHAN_WIDTH_BITS 3
#define EHTOP_RX_MCS_NSS_MAP_IDX 0
#define EHTOP_RX_MCS_NSS_MAP_BITS 4
#define EHTOP_TX_MCS_NSS_MAP_IDX 4

29
umac/mlo_mgr/inc/wlan_mlo_mgr_cmn.h
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@@ -582,3 +582,32 @@ QDF_STATUS ml_post_get_link_state_msg(struct wlan_objmgr_vdev *vdev);
#endif
#endif
#ifdef WLAN_FEATURE_11BE
/**
* util_add_bw_ind() - Adding bandwidth indiacation element
* @bw_ind: pointer to bandwidth indication element
* @ccfs0: EHT Channel Centre Frequency Segment0 information
* @ccfs1: EHT Channel Centre Frequency Segment1 information
* @ch_width: channel width
* @puncture_bitmap: puncturing information
* @bw_ind_len: pointer to length of bandwidth indication element
*/
QDF_STATUS
util_add_bw_ind(struct wlan_ie_bw_ind *bw_ind, uint8_t ccfs0,
uint8_t ccfs1, enum phy_ch_width ch_width,
uint16_t puncture_bitmap, int *bw_ind_len);
/**
* util_parse_bw_ind() - Parsing of bandwidth indiacation element
* @bw_ind: pointer to bandwidth indication element
* @ccfs0: EHT Channel Centre Frequency Segment0 information
* @ccfs1: EHT Channel Centre Frequency Segment1 information
* @ch_width: channel width
* @puncture_bitmap: puncturing information
*/
QDF_STATUS
util_parse_bw_ind(struct wlan_ie_bw_ind *bw_ind, uint8_t *ccfs0,
uint8_t *ccfs1, enum phy_ch_width *ch_width,
uint16_t *puncture_bitmap);
#endif

119
umac/mlo_mgr/src/utils_mlo.c
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@@ -4570,3 +4570,122 @@ QDF_STATUS util_get_rvmlie_persta_link_info(uint8_t *mlieseq,
}
#endif
#ifdef WLAN_FEATURE_11BE
QDF_STATUS util_add_bw_ind(struct wlan_ie_bw_ind *bw_ind, uint8_t ccfs0,
uint8_t ccfs1, enum phy_ch_width ch_width,
uint16_t puncture_bitmap, int *bw_ind_len)
{
uint8_t bw_ind_width;
if (!bw_ind) {
mlo_err("Pointer to bandwidth indiaction element is NULL");
return QDF_STATUS_E_NULL_VALUE;
}
if (!bw_ind_len) {
mlo_err("Length of bandwidth indaication element is Zero");
return QDF_STATUS_E_INVAL;
}
switch (ch_width) {
case CH_WIDTH_20MHZ:
bw_ind_width = IEEE80211_11BEOP_CHWIDTH_20;
break;
case CH_WIDTH_40MHZ:
bw_ind_width = IEEE80211_11BEOP_CHWIDTH_40;
break;
case CH_WIDTH_80MHZ:
bw_ind_width = IEEE80211_11BEOP_CHWIDTH_80;
break;
case CH_WIDTH_160MHZ:
bw_ind_width = IEEE80211_11BEOP_CHWIDTH_160;
break;
case CH_WIDTH_320MHZ:
bw_ind_width = IEEE80211_11BEOP_CHWIDTH_320;
break;
default:
bw_ind_width = IEEE80211_11BEOP_CHWIDTH_20;
}
bw_ind->elem_id = WLAN_ELEMID_EXTN_ELEM;
*bw_ind_len = WLAN_BW_IND_IE_MAX_LEN;
bw_ind->elem_len = WLAN_BW_IND_IE_MAX_LEN - WLAN_IE_HDR_LEN;
bw_ind->elem_id_extn = WLAN_EXTN_ELEMID_BW_IND;
bw_ind->ccfs0 = ccfs0;
bw_ind->ccfs1 = ccfs1;
QDF_SET_BITS(bw_ind->control, BW_IND_CHAN_WIDTH_IDX,
BW_IND_CHAN_WIDTH_BITS, bw_ind_width);
if (puncture_bitmap) {
bw_ind->disabled_sub_chan_bitmap[0] =
QDF_GET_BITS(puncture_bitmap, 0, 8);
bw_ind->disabled_sub_chan_bitmap[1] =
QDF_GET_BITS(puncture_bitmap, 8, 8);
QDF_SET_BITS(bw_ind->bw_ind_param,
BW_IND_PARAM_DISABLED_SC_BITMAP_PRESENT_IDX,
BW_IND_PARAM_DISABLED_SC_BITMAP_PRESENT_BITS, 1);
} else {
QDF_SET_BITS(bw_ind->bw_ind_param,
BW_IND_PARAM_DISABLED_SC_BITMAP_PRESENT_IDX,
BW_IND_PARAM_DISABLED_SC_BITMAP_PRESENT_BITS, 0);
bw_ind->elem_len -=
QDF_ARRAY_SIZE(bw_ind->disabled_sub_chan_bitmap);
*bw_ind_len -=
QDF_ARRAY_SIZE(bw_ind->disabled_sub_chan_bitmap);
}
return QDF_STATUS_SUCCESS;
}
QDF_STATUS util_parse_bw_ind(struct wlan_ie_bw_ind *bw_ind, uint8_t *ccfs0,
uint8_t *ccfs1, enum phy_ch_width *ch_width,
uint16_t *puncture_bitmap)
{
uint8_t bw_ind_width;
if (!bw_ind) {
mlo_err("Pointer to bandwidth indiaction element is NULL");
return QDF_STATUS_E_NULL_VALUE;
}
*ccfs0 = bw_ind->ccfs0;
*ccfs1 = bw_ind->ccfs1;
bw_ind_width = QDF_GET_BITS(bw_ind->control, BW_IND_CHAN_WIDTH_IDX,
BW_IND_CHAN_WIDTH_BITS);
switch (bw_ind_width) {
case IEEE80211_11BEOP_CHWIDTH_20:
*ch_width = CH_WIDTH_20MHZ;
break;
case IEEE80211_11BEOP_CHWIDTH_40:
*ch_width = CH_WIDTH_40MHZ;
break;
case IEEE80211_11BEOP_CHWIDTH_80:
*ch_width = CH_WIDTH_80MHZ;
break;
case IEEE80211_11BEOP_CHWIDTH_160:
*ch_width = CH_WIDTH_160MHZ;
break;
case IEEE80211_11BEOP_CHWIDTH_320:
*ch_width = CH_WIDTH_320MHZ;
break;
default:
*ch_width = CH_WIDTH_20MHZ;
}
if (QDF_GET_BITS(bw_ind->bw_ind_param,
BW_IND_PARAM_DISABLED_SC_BITMAP_PRESENT_IDX,
BW_IND_PARAM_DISABLED_SC_BITMAP_PRESENT_BITS)) {
QDF_SET_BITS(*puncture_bitmap, 0, 8,
bw_ind->disabled_sub_chan_bitmap[0]);
QDF_SET_BITS(*puncture_bitmap, 8, 8,
bw_ind->disabled_sub_chan_bitmap[1]);
} else {
*puncture_bitmap = 0;
}
return QDF_STATUS_SUCCESS;
}
#endif

2
umac/scan/dispatcher/src/wlan_scan_utils_api.c
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@@ -955,7 +955,7 @@ util_scan_parse_chan_switch_wrapper_ie(struct scan_cache_entry *scan_params,
break;
#ifdef WLAN_FEATURE_11BE
case WLAN_EXTN_ELEMID_BW_IND:
if (sub_ie->ie_len < WLAN_BW_IND_IE_MIN_LEN)
if (sub_ie->ie_len > WLAN_BW_IND_IE_MAX_LEN)
return QDF_STATUS_E_INVAL;
scan_params->ie_list.bw_ind = (uint8_t *)sub_ie;
break;