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qcacld-3.0: Extract all link probe rsps from ML probe rsp

Sfoglia il codice sorgente 
Firmware sends beacon/probe response of the roam candidate to host
through roam_frame_event when it chooses a candidate which needs
SAE authentication to be performed. This is needed as the host
checks if corresponding scan entry is present in the scan db
before starting SAE authentication trigger.
But in MLO roaming case, firmware might send ML probe response
and the scan entry corresponds to re-assoc link might be present
in the per STA profile of the ML probe response.
So, extract all per-STA profiles and add them to scan db.

Also, use this API to extract and add the link specific
ML probe responses for the ML probe response received
in roam sync indication if extraction via roam info fails due
to some reason(currently it may fail if fw roams to a link but
got ML probe rsp from other link as link_info is not
present roam info).

Change-Id: I6c67927732a54568dfe618bdecaca8f37515e203
CRs-Fixed: 3454834
This commit is contained in:
Srinivas Dasari
2023-04-13 01:00:05 +05:30
committato da Madan Koyyalamudi
parent 983a90bcfb
commit a87a7cde2a
9 ha cambiato i file con 381 aggiunte e 205 eliminazioni
Scarica il file Patch Scarica il file Diff Expand all files Collapse all files

21
components/umac/mlme/connection_mgr/core/src/wlan_cm_roam_fw_sync.c
Vedi File

@@ -890,12 +890,21 @@ cm_update_scan_db_on_roam_success(struct wlan_objmgr_vdev *vdev,
roam_synch_ind,
wlan_mlme_get_src_addr_from_frame(
&ies->bcn_probe_rsp));
cm_inform_bcn_probe(cm_ctx,
ies->bcn_probe_rsp.ptr,
ies->bcn_probe_rsp.len,
frame_freq,
roam_synch_ind->rssi,
cm_id);
/*
* Firmware might have roamed to a link but got ML probe
* response from the other link. Then the link freq is not
* present in roam link info and it returns 0. No need to add
* the original probe rsp in such cases as roam sync indication
* handling would add it to scan db. Add the entry to scan
* db only if valid link freq is found.
*/
if (frame_freq)
cm_inform_bcn_probe(cm_ctx,
ies->bcn_probe_rsp.ptr,
ies->bcn_probe_rsp.len,
frame_freq,
roam_synch_ind->rssi,
cm_id);
cm_update_scan_mlme_on_roam(vdev, &resp->bssid,
SCAN_ENTRY_CON_STATE_ASSOC);

121
components/umac/mlme/connection_mgr/core/src/wlan_cm_roam_offload_event.c
Vedi File

@@ -591,124 +591,3 @@ QDF_STATUS cm_roam_sync_event_handler_cb(struct wlan_objmgr_vdev *vdev,
err:
return status;
}
QDF_STATUS
cm_roam_candidate_event_handler(struct wlan_objmgr_psoc *psoc,
struct roam_scan_candidate_frame *candidate)
{
struct wlan_objmgr_vdev *vdev;
struct wlan_objmgr_pdev *pdev;
struct cnx_mgr *cm_ctx;
uint32_t ie_offset, ie_len;
uint8_t *ie_ptr = NULL;
uint8_t *extracted_ie = NULL;
uint8_t primary_channel, band;
qdf_freq_t op_freq;
struct wlan_frame_hdr *wh;
struct qdf_mac_addr bssid;
vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, candidate->vdev_id,
WLAN_MLME_CM_ID);
if (!vdev) {
mlme_err("vdev object is NULL");
return QDF_STATUS_E_NULL_VALUE;
}
pdev = wlan_vdev_get_pdev(vdev);
if (!pdev) {
mlme_err("pdev object is NULL");
goto err;
}
cm_ctx = cm_get_cm_ctx(vdev);
if (!cm_ctx) {
mlme_err("cm ctx is NULL");
goto err;
}
QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_MLME, QDF_TRACE_LEVEL_DEBUG,
candidate->frame, candidate->frame_length);
/* Fixed parameters offset */
ie_offset = sizeof(struct wlan_frame_hdr) + MAC_B_PR_SSID_OFFSET;
if (candidate->frame_length <= ie_offset) {
mlme_err("Invalid frame length");
goto err;
}
ie_ptr = candidate->frame + ie_offset;
ie_len = candidate->frame_length - ie_offset;
extracted_ie = (uint8_t *)wlan_get_ie_ptr_from_eid(WLAN_ELEMID_SSID,
ie_ptr, ie_len);
if (extracted_ie && extracted_ie[0] == WLAN_ELEMID_SSID &&
extracted_ie[1] > MIN_IE_LEN) {
wh = (struct wlan_frame_hdr *)candidate->frame;
WLAN_ADDR_COPY(&bssid.bytes[0], wh->i_addr2);
mlme_debug("SSID of the candidate is " QDF_SSID_FMT,
QDF_SSID_REF(extracted_ie[1], &extracted_ie[2]));
wlan_cm_set_roam_offload_ssid(vdev, &extracted_ie[2],
extracted_ie[1]);
wlan_cm_set_roam_offload_bssid(vdev, &bssid);
}
/* For 2.4GHz,5GHz get channel from DS IE */
extracted_ie = (uint8_t *)wlan_get_ie_ptr_from_eid(WLAN_ELEMID_DSPARMS,
ie_ptr, ie_len);
if (extracted_ie && extracted_ie[0] == WLAN_ELEMID_DSPARMS &&
extracted_ie[1] == WLAN_DS_PARAM_IE_MAX_LEN) {
band = BIT(REG_BAND_2G) | BIT(REG_BAND_5G);
primary_channel = *(extracted_ie + 2);
mlme_debug("Extracted primary channel from DS : %d",
primary_channel);
goto update_beacon;
}
/* For HT, VHT and non-6GHz HE, get channel from HTINFO IE */
extracted_ie = (uint8_t *)
wlan_get_ie_ptr_from_eid(WLAN_ELEMID_HTINFO_ANA,
ie_ptr, ie_len);
if (extracted_ie && extracted_ie[0] == WLAN_ELEMID_HTINFO_ANA &&
extracted_ie[1] == sizeof(struct wlan_ie_htinfo_cmn)) {
band = BIT(REG_BAND_2G) | BIT(REG_BAND_5G);
primary_channel =
((struct wlan_ie_htinfo *)extracted_ie)->
hi_ie.hi_ctrlchannel;
mlme_debug("Extracted primary channel from HT INFO : %d",
primary_channel);
goto update_beacon;
}
/* For 6GHz, get channel from HE OP IE */
extracted_ie = (uint8_t *)
wlan_get_ext_ie_ptr_from_ext_id(WLAN_HEOP_OUI_TYPE,
(uint8_t)
WLAN_HEOP_OUI_SIZE,
ie_ptr, ie_len);
if (extracted_ie && !qdf_mem_cmp(&extracted_ie[2], WLAN_HEOP_OUI_TYPE,
WLAN_HEOP_OUI_SIZE) &&
extracted_ie[1] <= WLAN_MAX_HEOP_IE_LEN) {
band = BIT(REG_BAND_6G);
primary_channel = util_scan_get_6g_oper_channel(extracted_ie);
mlme_debug("Extracted primary channel from HE OP : %d",
primary_channel);
if (primary_channel)
goto update_beacon;
}
mlme_err("Ignore beacon, Primary channel was not found in the candidate frame");
goto err;
update_beacon:
op_freq = wlan_reg_chan_band_to_freq(pdev, primary_channel, band);
cm_inform_bcn_probe(cm_ctx, candidate->frame, candidate->frame_length,
op_freq,
0, /* Real RSSI will be updated by Roam synch ind */
cm_ctx->active_cm_id);
wlan_objmgr_vdev_release_ref(vdev, WLAN_MLME_CM_ID);
return QDF_STATUS_SUCCESS;
err:
wlan_objmgr_vdev_release_ref(vdev, WLAN_MLME_CM_ID);
return QDF_STATUS_E_FAILURE;
}

20
components/umac/mlme/connection_mgr/dispatcher/inc/wlan_cm_roam_api.h
Vedi File

@@ -1300,6 +1300,20 @@ QDF_STATUS
wlan_cm_update_offload_ssid_from_candidate(struct wlan_objmgr_pdev *pdev,
uint8_t vdev_id,
struct qdf_mac_addr *ap_bssid);
/**
* wlan_cm_add_frame_to_scan_db() - Add the frame to scan db
*
* @psoc: PSOC pointer
* @frame: frame to be added to scan db
*
* Fetch the channel from frame and add the frame to scan db
*
* Return: QDF_STATUS
*/
QDF_STATUS
wlan_cm_add_frame_to_scan_db(struct wlan_objmgr_psoc *psoc,
struct roam_scan_candidate_frame *frame);
#else
static inline
void wlan_cm_roam_activate_pcl_per_vdev(struct wlan_objmgr_psoc *psoc,
@@ -1549,6 +1563,12 @@ wlan_cm_update_offload_ssid_from_candidate(struct wlan_objmgr_pdev *pdev,
return QDF_STATUS_SUCCESS;
}
static inline QDF_STATUS
wlan_cm_add_frame_to_scan_db(struct wlan_objmgr_psoc *psoc,
struct roam_scan_candidate_frame *frame)
{
return QDF_STATUS_SUCCESS;
}
#endif /* WLAN_FEATURE_ROAM_OFFLOAD */
#ifdef WLAN_FEATURE_FIPS

2
components/umac/mlme/connection_mgr/dispatcher/inc/wlan_cm_roam_public_struct.h
Vedi File

@@ -2859,11 +2859,13 @@ struct roam_offload_synch_ind {
* @vdev_id : vdev id
* @frame_length : Length of the beacon/probe rsp frame
* @frame : Pointer to the frame
* @rssi: RSSI of the received frame, 0 if not available
*/
struct roam_scan_candidate_frame {
uint8_t vdev_id;
uint32_t frame_length;
uint8_t *frame;
int32_t rssi;
};
/**

136
components/umac/mlme/connection_mgr/dispatcher/src/wlan_cm_roam_api.c
Vedi File

@@ -36,6 +36,7 @@
#include "wlan_reg_ucfg_api.h"
#include "wlan_connectivity_logging.h"
#include "target_if.h"
#include "wlan_mlo_mgr_roam.h"
/* Support for "Fast roaming" (i.e., ESE, LFR, or 802.11r.) */
#define BG_SCAN_OCCUPIED_CHANNEL_LIST_LEN 15
@@ -4678,6 +4679,125 @@ end:
wlan_objmgr_vdev_release_ref(vdev, WLAN_MLME_OBJMGR_ID);
return status;
}
QDF_STATUS
wlan_cm_add_frame_to_scan_db(struct wlan_objmgr_psoc *psoc,
struct roam_scan_candidate_frame *frame)
{
struct wlan_objmgr_vdev *vdev;
struct wlan_objmgr_pdev *pdev;
struct cnx_mgr *cm_ctx;
uint32_t ie_offset, ie_len;
uint8_t *ie_ptr = NULL;
uint8_t *extracted_ie = NULL;
uint8_t primary_channel, band;
qdf_freq_t op_freq;
struct wlan_frame_hdr *wh;
struct qdf_mac_addr bssid;
vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, frame->vdev_id,
WLAN_MLME_CM_ID);
if (!vdev) {
mlme_err("vdev object is NULL");
return QDF_STATUS_E_NULL_VALUE;
}
pdev = wlan_vdev_get_pdev(vdev);
if (!pdev) {
mlme_err("pdev object is NULL");
goto err;
}
cm_ctx = cm_get_cm_ctx(vdev);
if (!cm_ctx) {
mlme_err("cm ctx is NULL");
goto err;
}
/* Fixed parameters offset */
ie_offset = sizeof(struct wlan_frame_hdr) + MAC_B_PR_SSID_OFFSET;
if (frame->frame_length <= ie_offset) {
mlme_err("Invalid frame length");
goto err;
}
ie_ptr = frame->frame + ie_offset;
ie_len = frame->frame_length - ie_offset;
extracted_ie = (uint8_t *)wlan_get_ie_ptr_from_eid(WLAN_ELEMID_SSID,
ie_ptr, ie_len);
if (extracted_ie && extracted_ie[0] == WLAN_ELEMID_SSID &&
extracted_ie[1] > MIN_IE_LEN) {
wh = (struct wlan_frame_hdr *)frame->frame;
WLAN_ADDR_COPY(&bssid.bytes[0], wh->i_addr2);
mlme_debug("SSID of the candidate is " QDF_SSID_FMT,
QDF_SSID_REF(extracted_ie[1], &extracted_ie[2]));
wlan_cm_set_roam_offload_ssid(vdev, &extracted_ie[2],
extracted_ie[1]);
wlan_cm_set_roam_offload_bssid(vdev, &bssid);
}
/* For 2.4GHz,5GHz get channel from DS IE */
extracted_ie = (uint8_t *)wlan_get_ie_ptr_from_eid(WLAN_ELEMID_DSPARMS,
ie_ptr, ie_len);
if (extracted_ie && extracted_ie[0] == WLAN_ELEMID_DSPARMS &&
extracted_ie[1] == WLAN_DS_PARAM_IE_MAX_LEN) {
band = BIT(REG_BAND_2G) | BIT(REG_BAND_5G);
primary_channel = *(extracted_ie + 2);
mlme_debug("Extracted primary channel from DS : %d",
primary_channel);
goto update_beacon;
}
/* For HT, VHT and non-6GHz HE, get channel from HTINFO IE */
extracted_ie = (uint8_t *)
wlan_get_ie_ptr_from_eid(WLAN_ELEMID_HTINFO_ANA,
ie_ptr, ie_len);
if (extracted_ie && extracted_ie[0] == WLAN_ELEMID_HTINFO_ANA &&
extracted_ie[1] == sizeof(struct wlan_ie_htinfo_cmn)) {
band = BIT(REG_BAND_2G) | BIT(REG_BAND_5G);
primary_channel =
((struct wlan_ie_htinfo *)extracted_ie)->
hi_ie.hi_ctrlchannel;
mlme_debug("Extracted primary channel from HT INFO : %d",
primary_channel);
goto update_beacon;
}
/* For 6GHz, get channel from HE OP IE */
extracted_ie = (uint8_t *)
wlan_get_ext_ie_ptr_from_ext_id(WLAN_HEOP_OUI_TYPE,
(uint8_t)
WLAN_HEOP_OUI_SIZE,
ie_ptr, ie_len);
if (extracted_ie && !qdf_mem_cmp(&extracted_ie[2], WLAN_HEOP_OUI_TYPE,
WLAN_HEOP_OUI_SIZE) &&
extracted_ie[1] <= WLAN_MAX_HEOP_IE_LEN) {
band = BIT(REG_BAND_6G);
primary_channel = util_scan_get_6g_oper_channel(extracted_ie);
mlme_debug("Extracted primary channel from HE OP : %d",
primary_channel);
if (primary_channel)
goto update_beacon;
}
mlme_err("Ignore beacon, Primary channel was not found in the candidate frame");
goto err;
update_beacon:
op_freq = wlan_reg_chan_band_to_freq(pdev, primary_channel, band);
cm_inform_bcn_probe(cm_ctx, frame->frame, frame->frame_length,
op_freq,
frame->rssi,
cm_ctx->active_cm_id);
wlan_objmgr_vdev_release_ref(vdev, WLAN_MLME_CM_ID);
return QDF_STATUS_SUCCESS;
err:
wlan_objmgr_vdev_release_ref(vdev, WLAN_MLME_CM_ID);
return QDF_STATUS_E_FAILURE;
}
#endif
#ifdef WLAN_FEATURE_11BE_MLO
@@ -4812,4 +4932,18 @@ bool wlan_cm_roam_is_mlo_ap(struct wlan_objmgr_vdev *vdev)
return rso_config->sae_roam_auth.is_mlo_ap;
}
#endif /* WLAN_FEATURE_ROAM_OFFLOAD && WLAN_FEATURE_11BE_MLO */
QDF_STATUS
cm_roam_candidate_event_handler(struct wlan_objmgr_psoc *psoc,
struct roam_scan_candidate_frame *candidate)
{
return mlo_add_all_link_probe_rsp_to_scan_db(psoc, candidate);
}
#elif defined(WLAN_FEATURE_ROAM_OFFLOAD) /* end WLAN_FEATURE_11BE_MLO */
QDF_STATUS
cm_roam_candidate_event_handler(struct wlan_objmgr_psoc *psoc,
struct roam_scan_candidate_frame *candidate)
{
return wlan_cm_add_frame_to_scan_db(psoc, candidate);
}
#endif /* WLAN_FEATURE_ROAM_OFFLOAD */