brcmsmac: allow user-space setting of interface address

The interface address of the wireless device is determined by
the permanent address stored in the device. This patch allows
it to be overridden from user-space.

Reported-by: Maximilian Engelhardt <maxi@daemonizer.de>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Piotr Haber <phaber@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index b5b4487..7fc49ca 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -363,6 +363,7 @@ brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
        }
 
        spin_lock_bh(&wl->lock);
+       memcpy(wl->pub->cur_etheraddr, vif->addr, sizeof(vif->addr));
        wl->mute_tx = false;
        brcms_c_mute(wl->wlc, false);
        spin_unlock_bh(&wl->lock);

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
index 5f0f444..c26992a 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -2473,6 +2473,7 @@ static void brcms_b_tx_fifo_resume(struct brcms_hardware *wlc_hw,
 static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool mute_tx)
 {
        static const u8 null_ether_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
+       u8 *ethaddr = wlc_hw->wlc->pub->cur_etheraddr;
 
        if (mute_tx) {
                /* suspend tx fifos */
@@ -2482,8 +2483,7 @@ static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool mute_tx)
                brcms_b_tx_fifo_suspend(wlc_hw, TX_AC_VI_FIFO);
 
                /* zero the address match register so we do not send ACKs */
-               brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET,
-                                      null_ether_addr);
+               brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET, null_ether_addr);
        } else {
                /* resume tx fifos */
                brcms_b_tx_fifo_resume(wlc_hw, TX_DATA_FIFO);
@@ -2492,8 +2492,7 @@ static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool mute_tx)
                brcms_b_tx_fifo_resume(wlc_hw, TX_AC_VI_FIFO);
 
                /* Restore address */
-               brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET,
-                                      wlc_hw->etheraddr);
+               brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET, ethaddr);
        }
 
        wlc_phy_mute_upd(wlc_hw->band->pi, mute_tx, 0);