samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

qcacld-3.0: Let IOT APs recover by avoiding back to back DELBA

Browse Source 
Station sends the BA and upgrades to the next possible BA window
size upon receiving all frames successfully from the current
window. Some IOT APs go out of sync from BA window size of the
station when AP fails to receive the BA sent from station. AP
transmits the frames again with previous window sequence number
and won't be ack'ed by station hardware as BA window has already
moved ahead. So, station deletes the upgraded BA and tries
to fallback.

Ideally, AP is supposed to consider the fact that "the previous
window transmission was successful when station upgrades to next
window size". But some APs take little longer time to
recover/upgrade to next window size. Don't delete the BA
immediately and have some tolerance(3 seconds) as the previous
negotiated BA just got deleted.

Change-Id: I6b277223f02dac521316cec20bd5d958785cc2e9
CRs-Fixed: 2970714
This commit is contained in:
Srinivas Dasari
2021-07-01 00:01:01 +05:30
committed by Madan Koyyalamudi
parent 14d84bf050
commit c65ead975b
6 changed files with 150 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

60
components/mlme/dispatcher/src/wlan_mlme_api.c
View File

@@ -4985,3 +4985,63 @@ QDF_STATUS mlme_cfg_get_eht_caps(struct wlan_objmgr_psoc *psoc,
return QDF_STATUS_SUCCESS;
}
#endif
QDF_STATUS
wlan_mlme_set_ba_2k_jump_iot_ap(struct wlan_objmgr_vdev *vdev, bool found)
{
struct mlme_legacy_priv *mlme_priv;
mlme_priv = wlan_vdev_mlme_get_ext_hdl(vdev);
if (!mlme_priv) {
mlme_legacy_err("vdev legacy private object is NULL");
return QDF_STATUS_E_FAILURE;
}
mlme_priv->ba_2k_jump_iot_ap = found;
return QDF_STATUS_SUCCESS;
}
bool wlan_mlme_is_ba_2k_jump_iot_ap(struct wlan_objmgr_vdev *vdev)
{
struct mlme_legacy_priv *mlme_priv;
mlme_priv = wlan_vdev_mlme_get_ext_hdl(vdev);
if (!mlme_priv) {
mlme_legacy_err("vdev legacy private object is NULL");
return false;
}
return mlme_priv->ba_2k_jump_iot_ap;
}
QDF_STATUS
wlan_mlme_set_last_delba_sent_time(struct wlan_objmgr_vdev *vdev,
qdf_time_t delba_sent_time)
{
struct mlme_legacy_priv *mlme_priv;
mlme_priv = wlan_vdev_mlme_get_ext_hdl(vdev);
if (!mlme_priv) {
mlme_legacy_err("vdev legacy private object is NULL");
return QDF_STATUS_E_FAILURE;
}
mlme_priv->last_delba_sent_time = delba_sent_time;
return QDF_STATUS_SUCCESS;
}
qdf_time_t
wlan_mlme_get_last_delba_sent_time(struct wlan_objmgr_vdev *vdev)
{
struct mlme_legacy_priv *mlme_priv;
mlme_priv = wlan_vdev_mlme_get_ext_hdl(vdev);
if (!mlme_priv) {
mlme_legacy_err("vdev legacy private object is NULL");
return 0;
}
return mlme_priv->last_delba_sent_time;
}