A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-09 13:49:24 -04:00
Code Issues Projects Releases Packages Wiki Activity

qcacld-3.0: Handle assoc request frm in ROAM sync crypto update

Browse source 
Target may use association request frame to roam to AP in offload
roaming. Current API pe_set_rmf_caps only supports
reassociation frame parsing.
Add association request frame RSN IE extraction support in
pe_set_rmf_caps.

Change-Id: Ic8bc427a9d7a37dd3531cdfda243bce398eb7400
CRs-Fixed: 3264727
This commit is contained in:
Srikanth Marepalli 2024-05-03 13:38:44 +05:30 • committed by Ravindra Konda
commit c9e32e81b7
1 changed files with 56 additions and 51 deletions
Download patch file Download diff file Expand all files Collapse all files

111
core/mac/src/pe/lim/lim_api.c
View file

@ -1788,71 +1788,76 @@ void lim_fill_join_rsp_ht_caps(struct pe_session *session,
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
#ifdef WLAN_FEATURE_11W
/* Assoc req IE offset - Capability(2) + LI(2) */
#define WLAN_ASSOC_REQ_IES_OFFSET 4
/* Assoc req IE offset - Capability(2) + LI(2) + current AP address(6) */
#define WLAN_REASSOC_REQ_IES_OFFSET 10
static void pe_update_crypto_params(struct mac_context *mac_ctx,
struct pe_session *ft_session,
struct roam_offload_synch_ind *roam_synch)
{
uint8_t *assoc_body;
uint16_t len;
tDot11fReAssocRequest *assoc_req;
uint32_t status;
tSirMacRsnInfo rsn_ie;
uint32_t value = WPA_TYPE_OUI;
uint8_t *assoc_ies;
uint32_t assoc_ies_len;
uint8_t ies_offset = WLAN_REASSOC_REQ_IES_OFFSET;
tpSirMacMgmtHdr hdr;
const uint8_t *wpa_ie, *rsn_ie;
uint32_t wpa_oui;
struct wlan_crypto_params *crypto_params;
assoc_body = (uint8_t *)roam_synch + roam_synch->reassoc_req_offset +
sizeof(tSirMacMgmtHdr);
len = roam_synch->reassoc_req_length - sizeof(tSirMacMgmtHdr);
assoc_req = qdf_mem_malloc(sizeof(*assoc_req));
if (!assoc_req)
return;
/* delegate to the framesc-generated code, */
status = dot11f_unpack_re_assoc_request(mac_ctx, assoc_body, len,
assoc_req, false);
if (DOT11F_FAILED(status)) {
pe_err("Failed to parse a Re-association Request (0x%08x, %d bytes):",
status, len);
QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_PE, QDF_TRACE_LEVEL_INFO,
assoc_body, len);
qdf_mem_free(assoc_req);
return;
} else if (DOT11F_WARNED(status)) {
pe_debug("There were warnings while unpacking a Re-association Request (0x%08x, %d bytes):",
status, len);
hdr = (tpSirMacMgmtHdr)((uint8_t *)roam_synch +
roam_synch->reassoc_req_offset);
if (hdr->fc.type == SIR_MAC_MGMT_FRAME &&
hdr->fc.subType == SIR_MAC_MGMT_ASSOC_REQ) {
ies_offset = WLAN_ASSOC_REQ_IES_OFFSET;
pe_debug("roam assoc req frm");
} else {
pe_debug("roam reassoc req frm");
}
if (roam_synch->reassoc_req_length <
(sizeof(tSirMacMgmtHdr) + ies_offset)) {
pe_err("invalid reassoc req len %d",
roam_synch->reassoc_req_length);
return;
}
qdf_trace_hex_dump(QDF_MODULE_ID_PE, QDF_TRACE_LEVEL_DEBUG,
(uint8_t *)roam_synch +
roam_synch->reassoc_req_offset,
roam_synch->reassoc_req_length);
ft_session->limRmfEnabled = false;
if (!assoc_req->RSNOpaque.present && !assoc_req->WPAOpaque.present) {
qdf_mem_free(assoc_req);
assoc_ies = (uint8_t *)roam_synch + roam_synch->reassoc_req_offset +
sizeof(tSirMacMgmtHdr) + ies_offset;
assoc_ies_len = roam_synch->reassoc_req_length -
sizeof(tSirMacMgmtHdr) - ies_offset;
rsn_ie = wlan_get_ie_ptr_from_eid(WLAN_ELEMID_RSN, assoc_ies,
assoc_ies_len);
wpa_oui = WLAN_WPA_SEL(WLAN_WPA_OUI_TYPE);
wpa_ie = wlan_get_vendor_ie_ptr_from_oui((uint8_t *)&wpa_oui,
WLAN_OUI_SIZE, assoc_ies,
assoc_ies_len);
if (!wpa_ie && !rsn_ie) {
pe_nofl_debug("RSN and WPA IE not present");
return;
}
if (assoc_req->RSNOpaque.present) {
rsn_ie.info[0] = WLAN_ELEMID_RSN;
rsn_ie.info[1] = assoc_req->RSNOpaque.num_data;
rsn_ie.length = assoc_req->RSNOpaque.num_data + 2;
qdf_mem_copy(&rsn_ie.info[2], assoc_req->RSNOpaque.data,
assoc_req->RSNOpaque.num_data);
} else if (assoc_req->WPAOpaque.present) {
rsn_ie.info[0] = WLAN_ELEMID_VENDOR;
rsn_ie.info[1] = WLAN_OUI_SIZE + assoc_req->WPAOpaque.num_data;
rsn_ie.length = WLAN_OUI_SIZE +
assoc_req->WPAOpaque.num_data + 2;
qdf_mem_copy(&rsn_ie.info[2], (uint8_t *)&value, WLAN_OUI_SIZE);
qdf_mem_copy(&rsn_ie.info[WLAN_OUI_SIZE + 2],
assoc_req->WPAOpaque.data,
assoc_req->WPAOpaque.num_data);
}
qdf_mem_free(assoc_req);
wlan_set_vdev_crypto_prarams_from_ie(ft_session->vdev, rsn_ie.info,
rsn_ie.length);
wlan_set_vdev_crypto_prarams_from_ie(ft_session->vdev, assoc_ies,
assoc_ies_len);
ft_session->limRmfEnabled =
lim_get_vdev_rmf_capable(mac_ctx, ft_session);
crypto_params = wlan_crypto_vdev_get_crypto_params(ft_session->vdev);
if (!crypto_params) {
pe_err("crypto params is null");
return;
}
pe_nofl_debug("vdev %d roam auth 0x%x akm 0x%0x rsn_caps 0x%x",
ft_session->vdev_id,
crypto_params->authmodeset,
crypto_params->key_mgmt,
crypto_params->rsn_caps);
}
#else
static inline