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staging: brcm80211: Fix for WPA GTK install issue in brcmfmac driver

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Last 16 bytes of the key sent by cfg80211 needs to be swapped before
installing it to FW for TKIP encryption. This is not done for group
key in current code, which is corrected with this fix.

Cc: devel@linuxdriverproject.org
Cc: linux-wireless@vger.kernel.org
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Tested-by: Grant Grundler <grundler@chromium.org>
Tested-by: Aaron Plattner <aplattner@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sukesh Srikakula 2011-05-13 11:59:38 +02:00 committed by Greg Kroah-Hartman
parent dcc8fb87f2
commit 22d5d59b8c
1 changed files with 4 additions and 0 deletions
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4
drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c
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@ -1616,6 +1616,7 @@ wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev,
s32 val;
s32 wsec;
s32 err = 0;
u8 keybuf[8];
WL_DBG("key index (%d)\n", key_idx);
CHECK_SYS_UP();
@ -1644,6 +1645,9 @@ wl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *dev,
WL_DBG("WLAN_CIPHER_SUITE_WEP104\n");
break;
case WLAN_CIPHER_SUITE_TKIP:
memcpy(keybuf, &key.data[24], sizeof(keybuf));
memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
memcpy(&key.data[16], keybuf, sizeof(keybuf));
key.algo = CRYPTO_ALGO_TKIP;
WL_DBG("WLAN_CIPHER_SUITE_TKIP\n");
break;