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b43: Fix suspend/resume 

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 <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Buesch 2008-01-23 21:10:56 +01:00 committed by David S. Miller
parent 76f3915b4c
commit 7be1bb6b79
2 changed files with 23 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/wireless/b43/main.c
View File

@ -3532,8 +3532,6 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
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);
@ -3632,6 +3630,14 @@ static int b43_op_start(struct ieee80211_hw *hw)
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);

27
drivers/net/wireless/b43/xmit.c
View File

@ -237,20 +237,23 @@ void b43_generate_txhdr(struct b43_wldev *dev,
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),