This fixes suspend/resume.

We must not overwrite the MAC addresses on resume. Otherwise
the card won't ACK any packets anymore.

Signed-off-by: Michael Buesch <[EMAIL PROTECTED]>

---

John, this is a bugfix that makes suspend/resume working. Without this
people need to do an interface up/down cycle after each resume.
Please try to push it for 2.6.24.

Stefano, this might need porting to legacy.


Index: wireless-2.6/drivers/net/wireless/b43/main.c
===================================================================
--- wireless-2.6.orig/drivers/net/wireless/b43/main.c   2008-01-23 
21:01:44.000000000 +0100
+++ wireless-2.6/drivers/net/wireless/b43/main.c        2008-01-23 
21:02:16.000000000 +0100
@@ -3528,14 +3528,12 @@ static int b43_wireless_core_init(struct
        /* Set the pre-wakeup for synthetic PU (in microseconds). */
        b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SPUWKUP, 500);
 
        b43_bluetooth_coext_enable(dev);
 
        ssb_bus_powerup(bus, 1);        /* Enable dynamic PCTL */
-       memset(wl->bssid, 0, ETH_ALEN);
-       memset(wl->mac_addr, 0, ETH_ALEN);
        b43_upload_card_macaddress(dev);
        b43_security_init(dev);
        b43_rng_init(wl);
 
        b43_set_status(dev, B43_STAT_INITIALIZED);
 
@@ -3628,12 +3626,20 @@ static int b43_op_start(struct ieee80211
        struct b43_wl *wl = hw_to_b43_wl(hw);
        struct b43_wldev *dev = wl->current_dev;
        int did_init = 0;
        int err = 0;
        bool do_rfkill_exit = 0;
 
+       /* Kill all old instance specific information to make sure
+        * the card won't use it in the short timeframe between start
+        * and mac80211 reconfiguring it. */
+       memset(wl->bssid, 0, ETH_ALEN);
+       memset(wl->mac_addr, 0, ETH_ALEN);
+       wl->filter_flags = 0;
+       wl->radiotap_enabled = 0;
+
        /* First register RFkill.
         * LEDs that are registered later depend on it. */
        b43_rfkill_init(dev);
 
        mutex_lock(&wl->mutex);
 
Index: wireless-2.6/drivers/net/wireless/b43/xmit.c
===================================================================
--- wireless-2.6.orig/drivers/net/wireless/b43/xmit.c   2008-01-23 
21:01:44.000000000 +0100
+++ wireless-2.6/drivers/net/wireless/b43/xmit.c        2008-01-23 
21:02:16.000000000 +0100
@@ -234,26 +234,29 @@ void b43_generate_txhdr(struct b43_wldev
                struct b43_key *key;
                int wlhdr_len;
                size_t iv_len;
 
                B43_WARN_ON(key_idx >= dev->max_nr_keys);
                key = &(dev->key[key_idx]);
-               B43_WARN_ON(!key->keyconf);
 
-               /* Hardware appends ICV. */
-               plcp_fragment_len += txctl->icv_len;
+               if (likely(key->keyconf)) {
+                       /* This key is valid. Use it for encryption. */
 
-               key_idx = b43_kidx_to_fw(dev, key_idx);
-               mac_ctl |= (key_idx << B43_TXH_MAC_KEYIDX_SHIFT) &
-                          B43_TXH_MAC_KEYIDX;
-               mac_ctl |= (key->algorithm << B43_TXH_MAC_KEYALG_SHIFT) &
-                          B43_TXH_MAC_KEYALG;
-               wlhdr_len = ieee80211_get_hdrlen(fctl);
-               iv_len = min((size_t) txctl->iv_len,
-                            ARRAY_SIZE(txhdr->iv));
-               memcpy(txhdr->iv, ((u8 *) wlhdr) + wlhdr_len, iv_len);
+                       /* Hardware appends ICV. */
+                       plcp_fragment_len += txctl->icv_len;
+
+                       key_idx = b43_kidx_to_fw(dev, key_idx);
+                       mac_ctl |= (key_idx << B43_TXH_MAC_KEYIDX_SHIFT) &
+                                  B43_TXH_MAC_KEYIDX;
+                       mac_ctl |= (key->algorithm << B43_TXH_MAC_KEYALG_SHIFT) 
&
+                                  B43_TXH_MAC_KEYALG;
+                       wlhdr_len = ieee80211_get_hdrlen(fctl);
+                       iv_len = min((size_t) txctl->iv_len,
+                                    ARRAY_SIZE(txhdr->iv));
+                       memcpy(txhdr->iv, ((u8 *) wlhdr) + wlhdr_len, iv_len);
+               }
        }
        if (b43_is_old_txhdr_format(dev)) {
                b43_generate_plcp_hdr((struct b43_plcp_hdr4 
*)(&txhdr->old_format.plcp),
                                      plcp_fragment_len, rate);
        } else {
                b43_generate_plcp_hdr((struct b43_plcp_hdr4 
*)(&txhdr->new_format.plcp),
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