From fa8b4b22d543b4052602b0c86065150613ed19e8 Mon Sep 17 00:00:00 2001 From: Helmut Schaa Date: Thu, 4 Nov 2010 20:42:36 +0100 Subject: [PATCH] rt2x00: Fix hw crypto in AP mode for some devices The BSSID register shouldn't be set in AP mode on some older devices (like rt73usb) as it breaks hw crypto on these. However, rt2800 devices explicitly need the BSSID register set to the same value as our own MAC address (only in AP mode). Hence, don't set the BSSID from rt2x00lib but move it down into rt2800 to avoid problems on older devices. This fixes a regression (at least for rt73usb) and avoids a new regression for rt2800 devices in 2.6.36. Reported-by: Johannes Stezenbach Reported-by: Lee Signed-off-by: Helmut Schaa Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2800lib.c | 13 ++++++++++++- drivers/net/wireless/rt2x00/rt2x00mac.c | 10 ++-------- 2 files changed, 14 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 6fa654956f4e..a53536dc882d 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -1148,6 +1148,7 @@ void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, struct rt2x00intf_conf *conf, const unsigned int flags) { u32 reg; + bool update_bssid = false; if (flags & CONFIG_UPDATE_TYPE) { /* @@ -1177,6 +1178,16 @@ void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, } if (flags & CONFIG_UPDATE_MAC) { + if (flags & CONFIG_UPDATE_TYPE && + conf->sync == TSF_SYNC_AP_NONE) { + /* + * The BSSID register has to be set to our own mac + * address in AP mode. + */ + memcpy(conf->bssid, conf->mac, sizeof(conf->mac)); + update_bssid = true; + } + if (!is_zero_ether_addr((const u8 *)conf->mac)) { reg = le32_to_cpu(conf->mac[1]); rt2x00_set_field32(®, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff); @@ -1187,7 +1198,7 @@ void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf, conf->mac, sizeof(conf->mac)); } - if (flags & CONFIG_UPDATE_BSSID) { + if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) { if (!is_zero_ether_addr((const u8 *)conf->bssid)) { reg = le32_to_cpu(conf->bssid[1]); rt2x00_set_field32(®, MAC_BSSID_DW1_BSS_ID_MASK, 3); diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index 283a8d9874ee..36ddee8dc9e2 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -283,14 +283,8 @@ int rt2x00mac_add_interface(struct ieee80211_hw *hw, * invalid behavior in the device. */ memcpy(&intf->mac, vif->addr, ETH_ALEN); - if (vif->type == NL80211_IFTYPE_AP) { - memcpy(&intf->bssid, vif->addr, ETH_ALEN); - rt2x00lib_config_intf(rt2x00dev, intf, vif->type, - intf->mac, intf->bssid); - } else { - rt2x00lib_config_intf(rt2x00dev, intf, vif->type, - intf->mac, NULL); - } + rt2x00lib_config_intf(rt2x00dev, intf, vif->type, + intf->mac, NULL); /* * Some filters depend on the current working mode. We can force