diff options
| author | Michael Buesch <mb@bu3sch.de> | 2008-01-23 21:10:56 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-31 19:26:45 -0800 |
| commit | 7be1bb6b798d506693d2d8668e801951996b5a4a (patch) | |
| tree | 911bf4dd500e22d4b16e6052e3d36d55fef6174f /drivers/net/wireless/b43/xmit.c | |
| parent | 76f3915b4cbadf5f7dc80d3df6d3a7492914675a (diff) | |
| download | talos-obmc-linux-7be1bb6b798d506693d2d8668e801951996b5a4a.tar.gz talos-obmc-linux-7be1bb6b798d506693d2d8668e801951996b5a4a.zip | |
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>
Diffstat (limited to 'drivers/net/wireless/b43/xmit.c')
| -rw-r--r-- | drivers/net/wireless/b43/xmit.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 3fc53e8b4416..7de2814d527e 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -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; - - 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 (likely(key->keyconf)) { + /* This key is valid. Use it for encryption. */ + + /* 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), |
