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qcacld-3.0: Allow TWT setup re-negotiation for the existing session

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Add support to allow TWT setup re-negotiation for the existing session.
If the setup request is received:
   - before the host driver receiving the setup response event from
     firmware for the previous setup request, then return -EINPROGRESS.

   - after the host driver received the setup response event from
     firmware for the previous setup request, then setup_done is
     set to true and this new setup request is sent to firmware
     for parameter re-negotiation.

CRs-Fixed: 2897896
Change-Id: I4d0cc5dac8d569a2e57c70ae6896ad1a24937597
This commit is contained in:
Srinivas Girigowda 2021-03-15 11:42:49 -07:00 • committed by snandini
commit 15db317ebb
2 changed files with 14 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

4
components/mlme/core/src/wlan_mlme_twt_api.c
View file

@ -51,10 +51,12 @@ bool mlme_is_twt_setup_in_progress(struct wlan_objmgr_psoc *psoc,
}
for (i = 0; i < peer_priv->twt_ctx.num_twt_sessions; i++) {
bool setup_done = peer_priv->twt_ctx.session_info[i].setup_done;
existing_session_dialog_id =
peer_priv->twt_ctx.session_info[i].dialog_id;
if (existing_session_dialog_id == dialog_id &&
existing_session_dialog_id != WLAN_ALL_SESSIONS_DIALOG_ID) {
existing_session_dialog_id != WLAN_ALL_SESSIONS_DIALOG_ID &&
!setup_done) {
wlan_objmgr_peer_release_ref(peer, WLAN_MLME_NB_ID);
return true;
}

16
core/hdd/src/wlan_hdd_twt.c
View file

@ -1337,6 +1337,15 @@ int hdd_send_twt_add_dialog_cmd(struct hdd_context *hdd_ctx,
* Handles QCA_WLAN_TWT_SET
*
* Return: 0 for Success and negative value for failure
*
* If the setup request is received:
* before the host driver receiving the setup response event from
* firmware for the previous setup request, then return -EINPROGRESS
*
* after the host driver received the setup response event from
* firmware for the previous setup request, then setup_done is
* set to true and this new setup request is sent to firmware
* for parameter re-negotiation.
*/
static int hdd_twt_setup_session(struct hdd_adapter *adapter,
struct nlattr *twt_param_attr)
@ -1396,13 +1405,10 @@ static int hdd_twt_setup_session(struct hdd_adapter *adapter,
if (ucfg_mlme_is_twt_setup_in_progress(adapter->hdd_ctx->psoc,
&hdd_sta_ctx->conn_info.bssid,
params.dialog_id) ||
ucfg_mlme_is_twt_setup_done(adapter->hdd_ctx->psoc,
&hdd_sta_ctx->conn_info.bssid,
params.dialog_id)) {
hdd_err_rl("TWT session exists for dialog:%d",
hdd_err_rl("TWT setup is in progress for dialog_id:%d",
params.dialog_id);
return -EALREADY;
return -EINPROGRESS;
}
ret = hdd_send_twt_add_dialog_cmd(adapter->hdd_ctx, &params);