From decfc5c70d206fdfba5de8405eb9148de6d7897b Mon Sep 17 00:00:00 2001 From: Igor Mitsyanko Date: Mon, 18 Nov 2019 08:23:06 +0000 Subject: qtnfmac: track broadcast domain of each interface If firmware reports that it supports hardware switch capabilities, driver needs to track and notify device whenever broadcast domain of a particular network device changes (ie. whenever it's upper master device changes). Firmware needs a unique ID to tell broadcast domains from each other which is an opaque number otherwise. For that purpose we can use netspace:ifidx pair to uniquely identify each broadcast domain: - if netdev is not part of a bridge, then use it's own ifidx as a broadcast domain ID - if netdev is part of a bridge, then use bridge netdev ifidx as broadcast domain ID Firmware makes sure that packets are only forwarded between interfaces marked with the same broadcast domain ID. Signed-off-by: Igor Mitsyanko Signed-off-by: Kalle Valo --- drivers/net/wireless/quantenna/qtnfmac/cfg80211.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/net/wireless/quantenna/qtnfmac/cfg80211.c') diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c index 4f02159a69db..59d089e092f9 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c +++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c @@ -248,6 +248,15 @@ static struct wireless_dev *qtnf_add_virtual_intf(struct wiphy *wiphy, goto error_del_vif; } + if (mac->bus->hw_info.hw_capab & QLINK_HW_CAPAB_HW_BRIDGE) { + ret = qtnf_cmd_netdev_changeupper(vif, vif->netdev->ifindex); + if (ret) { + unregister_netdevice(vif->netdev); + vif->netdev = NULL; + goto error_del_vif; + } + } + vif->wdev.netdev = vif->netdev; return &vif->wdev; -- cgit v1.2.3-59-g8ed1b