diff options
Diffstat (limited to 'drivers/staging/csr/data_tx.c')
| -rw-r--r-- | drivers/staging/csr/data_tx.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/drivers/staging/csr/data_tx.c b/drivers/staging/csr/data_tx.c deleted file mode 100644 index 9e3d8b8ab02c..000000000000 --- a/drivers/staging/csr/data_tx.c +++ /dev/null @@ -1,54 +0,0 @@ -/* - * --------------------------------------------------------------------------- - * FILE: data_tx.c - * - * PURPOSE: - * This file provides functions to send data requests to the UniFi. - * - * Copyright (C) 2007-2009 by Cambridge Silicon Radio Ltd. - * - * Refer to LICENSE.txt included with this source code for details on - * the license terms. - * - * --------------------------------------------------------------------------- - */ -#include "csr_wifi_hip_unifi.h" -#include "unifi_priv.h" - -int -uf_verify_m4(unifi_priv_t *priv, const unsigned char *packet, unsigned int length) -{ - const unsigned char *p = packet; - u16 keyinfo; - - - if (length < (4 + 5 + 8 + 32 + 16 + 8 + 8 + 16 + 1 + 8)) - return 1; - - p += 8; - keyinfo = p[5] << 8 | p[6]; /* big-endian */ - if ( - (p[0] == 1 || p[0] == 2) /* protocol version 802.1X-2001 (WPA) or -2004 (WPA2) */ && - p[1] == 3 /* EAPOL-Key */ && - /* don't bother checking p[2] p[3] (hh ll, packet body length) */ - (p[4] == 254 || p[4] == 2) /* descriptor type P802.1i-D3.0 (WPA) or 802.11i-2004 (WPA2) */ && - ((keyinfo & 0x0007) == 1 || (keyinfo & 0x0007) == 2) /* key descriptor version */ && - (keyinfo & ~0x0207U) == 0x0108 && /* key info for 4/4 or 4/2 -- ignore key desc version and sec bit (since varies in WPA 4/4) */ - (p[4 + 5 + 8 + 32 + 16 + 8 + 8 + 16 + 0] == 0 && /* key data length (2 octets) 0 for 4/4 only */ - p[4 + 5 + 8 + 32 + 16 + 8 + 8 + 16 + 1] == 0) - ) { - unifi_trace(priv, UDBG1, "uf_verify_m4: M4 detected\n"); - return 0; - } else { - return 1; - } -} - -/* - * --------------------------------------------------------------------------- - * - * Data transport signals. - * - * --------------------------------------------------------------------------- - */ - |