qcacmn: Remove the assumption of assoc link's presence post connection
With MLO link removal, AP can remove a link that happens to be the assoc link for a given Non-AP MLD. So far, the Non-AP MLD has been using the assoc link to interact with other layers and make various decisions. Change those behaviors on a case-by-case basis. CRs-Fixed: 3577559 Change-Id: Iaa001bdd2571bce424a953caa3197a99a6f84180
Tento commit je obsažen v:

odevzdal
Rahul Choudhary

rodič
2c0fb4ffc6
revize
f796368068
@@ -164,11 +164,20 @@ osif_cm_indicate_disconnect(struct wlan_objmgr_vdev *vdev,
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}
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if (ucfg_mlo_is_mld_disconnected(vdev)) {
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/**
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* Kernel maintains some extra state on the assoc netdev.
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* If the assoc vdev exists, send disconnected event on the
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* assoc netdev so that kernel cleans up the extra state.
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* If the assoc vdev was already removed, kernel would have
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* already cleaned up the extra state while processing the
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* disconnected event sent as part of the link removal.
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*/
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assoc_vdev = ucfg_mlo_get_assoc_link_vdev(vdev);
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if (!assoc_vdev)
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return;
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osif_priv = wlan_vdev_get_ospriv(assoc_vdev);
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netdev = osif_priv->wdev->netdev;
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if (assoc_vdev) {
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osif_priv = wlan_vdev_get_ospriv(assoc_vdev);
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netdev = osif_priv->wdev->netdev;
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}
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osif_cm_indicate_disconnect_result(
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netdev, reason,
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ie, ie_len,
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@@ -295,8 +295,8 @@ mlo_send_link_disconnect(struct wlan_objmgr_vdev *vdev,
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mlo_release_vdev_ref(wlan_vdev_list[i]);
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}
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wlan_cm_disconnect(assoc_vdev,
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source, reason_code, NULL);
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if (assoc_vdev)
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wlan_cm_disconnect(assoc_vdev, source, reason_code, NULL);
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return QDF_STATUS_SUCCESS;
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}
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@@ -517,8 +517,6 @@ static QDF_STATUS mlo_disconnect_no_lock(struct wlan_objmgr_vdev *vdev,
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return QDF_STATUS_E_FAILURE;
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assoc_vdev = mlo_get_assoc_link_vdev(mlo_dev_ctx);
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if (!assoc_vdev)
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return QDF_STATUS_E_FAILURE;
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if (sta_ctx->connect_req) {
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wlan_cm_free_connect_req(sta_ctx->connect_req);
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@@ -545,8 +543,9 @@ static QDF_STATUS mlo_disconnect_no_lock(struct wlan_objmgr_vdev *vdev,
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NULL);
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}
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wlan_cm_disconnect(assoc_vdev,
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source, reason_code, NULL);
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if (assoc_vdev)
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wlan_cm_disconnect(assoc_vdev, source,
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reason_code, NULL);
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}
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return status;
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@@ -1290,28 +1289,33 @@ mlo_send_link_disconnect_sync(struct wlan_mlo_dev_context *mlo_dev_ctx,
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struct qdf_mac_addr *bssid)
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{
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uint8_t i;
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struct wlan_objmgr_vdev *assoc_vdev =
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mlo_get_assoc_link_vdev(mlo_dev_ctx);
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if (!assoc_vdev)
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return QDF_STATUS_E_FAILURE;
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struct wlan_objmgr_vdev *sync_vdev =
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mlo_get_assoc_link_vdev(mlo_dev_ctx);
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for (i = 0; i < WLAN_UMAC_MLO_MAX_VDEVS; i++) {
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if (!mlo_dev_ctx->wlan_vdev_list[i])
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continue;
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/*
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* To initiate disconnect on all links at once, no need to use
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* sync API for link Vdev
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/**
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* If the assoc vdev isn't present, use the first link dev as
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* sync candidate.
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*/
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if (mlo_dev_ctx->wlan_vdev_list[i] !=
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mlo_get_assoc_link_vdev(mlo_dev_ctx))
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wlan_cm_disconnect(mlo_dev_ctx->wlan_vdev_list[i],
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source, reason_code, NULL);
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if (!sync_vdev) {
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sync_vdev = mlo_dev_ctx->wlan_vdev_list[i];
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continue;
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}
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/**
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* To initiate disconnect on all links at once, no need to use
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* sync API for all link vdevs.
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*/
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wlan_cm_disconnect(mlo_dev_ctx->wlan_vdev_list[i],
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source, reason_code, NULL);
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}
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wlan_cm_disconnect_sync(assoc_vdev,
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source, reason_code);
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if (sync_vdev)
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wlan_cm_disconnect_sync(sync_vdev, source, reason_code);
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return QDF_STATUS_SUCCESS;
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}
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