1 files changed, 0 insertions, 565 deletions

diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c b/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c
deleted file mode 100644
index f79fe11f9e81..000000000000
--- a/drivers/net/wireless/bcm43xx/bcm43xx_xmit.c
+++ /dev/null
@@ -1,565 +0,0 @@
-/*
-
-  Broadcom BCM43xx wireless driver
-
-  Transmission (TX/RX) related functions.
-
-  Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
-                     Stefano Brivio <st3@riseup.net>
-                     Michael Buesch <mbuesch@freenet.de>
-                     Danny van Dyk <kugelfang@gentoo.org>
-                     Andreas Jaggi <andreas.jaggi@waterwave.ch>
-
-  This program is free software; you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
-  (at your option) any later version.
-
-  This program is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with this program; see the file COPYING.  If not, write to
-  the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
-  Boston, MA 02110-1301, USA.
-
-*/
-
-#include "bcm43xx_xmit.h"
-
-#include <linux/etherdevice.h>
-
-
-/* Extract the bitrate out of a CCK PLCP header. */
-static u8 bcm43xx_plcp_get_bitrate_cck(struct bcm43xx_plcp_hdr4 *plcp)
-{
-	switch (plcp->raw[0]) {
-	case 0x0A:
-		return IEEE80211_CCK_RATE_1MB;
-	case 0x14:
-		return IEEE80211_CCK_RATE_2MB;
-	case 0x37:
-		return IEEE80211_CCK_RATE_5MB;
-	case 0x6E:
-		return IEEE80211_CCK_RATE_11MB;
-	}
-	assert(0);
-	return 0;
-}
-
-/* Extract the bitrate out of an OFDM PLCP header. */
-static u8 bcm43xx_plcp_get_bitrate_ofdm(struct bcm43xx_plcp_hdr4 *plcp)
-{
-	switch (plcp->raw[0] & 0xF) {
-	case 0xB:
-		return IEEE80211_OFDM_RATE_6MB;
-	case 0xF:
-		return IEEE80211_OFDM_RATE_9MB;
-	case 0xA:
-		return IEEE80211_OFDM_RATE_12MB;
-	case 0xE:
-		return IEEE80211_OFDM_RATE_18MB;
-	case 0x9:
-		return IEEE80211_OFDM_RATE_24MB;
-	case 0xD:
-		return IEEE80211_OFDM_RATE_36MB;
-	case 0x8:
-		return IEEE80211_OFDM_RATE_48MB;
-	case 0xC:
-		return IEEE80211_OFDM_RATE_54MB;
-	}
-	assert(0);
-	return 0;
-}
-
-u8 bcm43xx_plcp_get_ratecode_cck(const u8 bitrate)
-{
-	switch (bitrate) {
-	case IEEE80211_CCK_RATE_1MB:
-		return 0x0A;
-	case IEEE80211_CCK_RATE_2MB:
-		return 0x14;
-	case IEEE80211_CCK_RATE_5MB:
-		return 0x37;
-	case IEEE80211_CCK_RATE_11MB:
-		return 0x6E;
-	}
-	assert(0);
-	return 0;
-}
-
-u8 bcm43xx_plcp_get_ratecode_ofdm(const u8 bitrate)
-{
-	switch (bitrate) {
-	case IEEE80211_OFDM_RATE_6MB:
-		return 0xB;
-	case IEEE80211_OFDM_RATE_9MB:
-		return 0xF;
-	case IEEE80211_OFDM_RATE_12MB:
-		return 0xA;
-	case IEEE80211_OFDM_RATE_18MB:
-		return 0xE;
-	case IEEE80211_OFDM_RATE_24MB:
-		return 0x9;
-	case IEEE80211_OFDM_RATE_36MB:
-		return 0xD;
-	case IEEE80211_OFDM_RATE_48MB:
-		return 0x8;
-	case IEEE80211_OFDM_RATE_54MB:
-		return 0xC;
-	}
-	assert(0);
-	return 0;
-}
-
-static void bcm43xx_generate_plcp_hdr(struct bcm43xx_plcp_hdr4 *plcp,
-				      const u16 octets, const u8 bitrate,
-				      const int ofdm_modulation)
-{
-	__le32 *data = &(plcp->data);
-	__u8 *raw = plcp->raw;
-
-	if (ofdm_modulation) {
-		u32 val = bcm43xx_plcp_get_ratecode_ofdm(bitrate);
-		assert(!(octets & 0xF000));
-		val |= (octets << 5);
-		*data = cpu_to_le32(val);
-	} else {
-		u32 plen;
-
-		plen = octets * 16 / bitrate;
-		if ((octets * 16 % bitrate) > 0) {
-			plen++;
-			if ((bitrate == IEEE80211_CCK_RATE_11MB)
-			    && ((octets * 8 % 11) < 4)) {
-				raw[1] = 0x84;
-			} else
-				raw[1] = 0x04;
-		} else
-			raw[1] = 0x04;
-		*data |= cpu_to_le32(plen << 16);
-		raw[0] = bcm43xx_plcp_get_ratecode_cck(bitrate);
-	}
-}
-
-static u8 bcm43xx_calc_fallback_rate(u8 bitrate)
-{
-	switch (bitrate) {
-	case IEEE80211_CCK_RATE_1MB:
-		return IEEE80211_CCK_RATE_1MB;
-	case IEEE80211_CCK_RATE_2MB:
-		return IEEE80211_CCK_RATE_1MB;
-	case IEEE80211_CCK_RATE_5MB:
-		return IEEE80211_CCK_RATE_2MB;
-	case IEEE80211_CCK_RATE_11MB:
-		return IEEE80211_CCK_RATE_5MB;
-	case IEEE80211_OFDM_RATE_6MB:
-		return IEEE80211_CCK_RATE_5MB;
-	case IEEE80211_OFDM_RATE_9MB:
-		return IEEE80211_OFDM_RATE_6MB;
-	case IEEE80211_OFDM_RATE_12MB:
-		return IEEE80211_OFDM_RATE_9MB;
-	case IEEE80211_OFDM_RATE_18MB:
-		return IEEE80211_OFDM_RATE_12MB;
-	case IEEE80211_OFDM_RATE_24MB:
-		return IEEE80211_OFDM_RATE_18MB;
-	case IEEE80211_OFDM_RATE_36MB:
-		return IEEE80211_OFDM_RATE_24MB;
-	case IEEE80211_OFDM_RATE_48MB:
-		return IEEE80211_OFDM_RATE_36MB;
-	case IEEE80211_OFDM_RATE_54MB:
-		return IEEE80211_OFDM_RATE_48MB;
-	}
-	assert(0);
-	return 0;
-}
-
-static
-__le16 bcm43xx_calc_duration_id(const struct ieee80211_hdr *wireless_header,
-				u8 bitrate)
-{
-	const u16 frame_ctl = le16_to_cpu(wireless_header->frame_ctl);
-	__le16 duration_id = wireless_header->duration_id;
-
-	switch (WLAN_FC_GET_TYPE(frame_ctl)) {
-	case IEEE80211_FTYPE_DATA:
-	case IEEE80211_FTYPE_MGMT:
-		//TODO: Steal the code from ieee80211, once it is completed there.
-		break;
-	case IEEE80211_FTYPE_CTL:
-		/* Use the original duration/id. */
-		break;
-	default:
-		assert(0);
-	}
-
-	return duration_id;
-}
-
-static inline
-u16 ceiling_div(u16 dividend, u16 divisor)
-{
-	return ((dividend + divisor - 1) / divisor);
-}
-
-static void bcm43xx_generate_rts(const struct bcm43xx_phyinfo *phy,
-				 struct bcm43xx_txhdr *txhdr,
-				 u16 *flags,
-				 u8 bitrate,
-				 const struct ieee80211_hdr_4addr *wlhdr)
-{
-	u16 fctl;
-	u16 dur;
-	u8 fallback_bitrate;
-	int ofdm_modulation;
-	int fallback_ofdm_modulation;
-//	u8 *sa, *da;
-	u16 flen;
-
-//FIXME	sa = ieee80211_get_SA((struct ieee80211_hdr *)wlhdr);
-//FIXME	da = ieee80211_get_DA((struct ieee80211_hdr *)wlhdr);
-	fallback_bitrate = bcm43xx_calc_fallback_rate(bitrate);
-	ofdm_modulation = !(ieee80211_is_cck_rate(bitrate));
-	fallback_ofdm_modulation = !(ieee80211_is_cck_rate(fallback_bitrate));
-
-	flen = sizeof(u16) + sizeof(u16) + ETH_ALEN + ETH_ALEN + IEEE80211_FCS_LEN,
-	bcm43xx_generate_plcp_hdr((struct bcm43xx_plcp_hdr4 *)(&txhdr->rts_cts_plcp),
-				  flen, bitrate,
-				  !ieee80211_is_cck_rate(bitrate));
-	bcm43xx_generate_plcp_hdr((struct bcm43xx_plcp_hdr4 *)(&txhdr->rts_cts_fallback_plcp),
-				  flen, fallback_bitrate,
-				  !ieee80211_is_cck_rate(fallback_bitrate));
-	fctl = IEEE80211_FTYPE_CTL;
-	fctl |= IEEE80211_STYPE_RTS;
-	dur = le16_to_cpu(wlhdr->duration_id);
-/*FIXME: should we test for dur==0 here and let it unmodified in this case?
- *       The following assert checks for this case...
- */
-assert(dur);
-/*FIXME: The duration calculation is not really correct.
- *       I am not 100% sure which bitrate to use. We use the RTS rate here,
- *       but this is likely to be wrong.
- */
-	if (phy->type == BCM43xx_PHYTYPE_A) {
-		/* Three times SIFS */
-		dur += 16 * 3;
-		/* Add ACK duration. */
-		dur += ceiling_div((16 + 8 * (14 /*bytes*/) + 6) * 10,
-				   bitrate * 4);
-		/* Add CTS duration. */
-		dur += ceiling_div((16 + 8 * (14 /*bytes*/) + 6) * 10,
-				   bitrate * 4);
-	} else {
-		/* Three times SIFS */
-		dur += 10 * 3;
-		/* Add ACK duration. */
-		dur += ceiling_div(8 * (14 /*bytes*/) * 10,
-				   bitrate);
-		/* Add CTS duration. */
-		dur += ceiling_div(8 * (14 /*bytes*/) * 10,
-				   bitrate);
-	}
-
-	txhdr->rts_cts_frame_control = cpu_to_le16(fctl);
-	txhdr->rts_cts_dur = cpu_to_le16(dur);
-//printk(BCM43xx_MACFMT "  " BCM43xx_MACFMT "  " BCM43xx_MACFMT "\n", BCM43xx_MACARG(wlhdr->addr1), BCM43xx_MACARG(wlhdr->addr2), BCM43xx_MACARG(wlhdr->addr3));
-//printk(BCM43xx_MACFMT "  " BCM43xx_MACFMT "\n", BCM43xx_MACARG(sa), BCM43xx_MACARG(da));
-	memcpy(txhdr->rts_cts_mac1, wlhdr->addr1, ETH_ALEN);//FIXME!
-//	memcpy(txhdr->rts_cts_mac2, sa, ETH_ALEN);
-
-	*flags |= BCM43xx_TXHDRFLAG_RTSCTS;
-	*flags |= BCM43xx_TXHDRFLAG_RTS;
-	if (ofdm_modulation)
-		*flags |= BCM43xx_TXHDRFLAG_RTSCTS_OFDM;
-	if (fallback_ofdm_modulation)
-		*flags |= BCM43xx_TXHDRFLAG_RTSCTSFALLBACK_OFDM;
-}
-				 
-void bcm43xx_generate_txhdr(struct bcm43xx_private *bcm,
-			    struct bcm43xx_txhdr *txhdr,
-			    const unsigned char *fragment_data,
-			    const unsigned int fragment_len,
-			    const int is_first_fragment,
-			    const u16 cookie)
-{
-	const struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
-	const struct ieee80211_hdr_4addr *wireless_header = (const struct ieee80211_hdr_4addr *)fragment_data;
-	const struct ieee80211_security *secinfo = &bcm->ieee->sec;
-	u8 bitrate;
-	u8 fallback_bitrate;
-	int ofdm_modulation;
-	int fallback_ofdm_modulation;
-	u16 plcp_fragment_len = fragment_len;
-	u16 flags = 0;
-	u16 control = 0;
-	u16 wsec_rate = 0;
-	u16 encrypt_frame;
-	const u16 ftype = WLAN_FC_GET_TYPE(le16_to_cpu(wireless_header->frame_ctl));
-	const int is_mgt = (ftype == IEEE80211_FTYPE_MGMT);
-
-	/* Now construct the TX header. */
-	memset(txhdr, 0, sizeof(*txhdr));
-
-	bitrate = ieee80211softmac_suggest_txrate(bcm->softmac,
-		is_multicast_ether_addr(wireless_header->addr1), is_mgt);
-	ofdm_modulation = !(ieee80211_is_cck_rate(bitrate));
-	fallback_bitrate = bcm43xx_calc_fallback_rate(bitrate);
-	fallback_ofdm_modulation = !(ieee80211_is_cck_rate(fallback_bitrate));
-
-	/* Set Frame Control from 80211 header. */
-	txhdr->frame_control = wireless_header->frame_ctl;
-	/* Copy address1 from 80211 header. */
-	memcpy(txhdr->mac1, wireless_header->addr1, 6);
-	/* Set the fallback duration ID. */
-	txhdr->fallback_dur_id = bcm43xx_calc_duration_id((const struct ieee80211_hdr *)wireless_header,
-							  fallback_bitrate);
-	/* Set the cookie (used as driver internal ID for the frame) */
-	txhdr->cookie = cpu_to_le16(cookie);
-
-	/* Hardware appends FCS. */
-	plcp_fragment_len += IEEE80211_FCS_LEN;
-
-	/* Hardware encryption. */
-	encrypt_frame = le16_to_cpup(&wireless_header->frame_ctl) & IEEE80211_FCTL_PROTECTED;
-	if (encrypt_frame && !bcm->ieee->host_encrypt) {
-		const struct ieee80211_hdr_3addr *hdr = (struct ieee80211_hdr_3addr *)wireless_header;
-		memcpy(txhdr->wep_iv, hdr->payload, 4);
-		/* Hardware appends ICV. */
-		plcp_fragment_len += 4;
-
-		wsec_rate |= (bcm->key[secinfo->active_key].algorithm << BCM43xx_TXHDR_WSEC_ALGO_SHIFT)
-			     & BCM43xx_TXHDR_WSEC_ALGO_MASK;
-		wsec_rate |= (secinfo->active_key << BCM43xx_TXHDR_WSEC_KEYINDEX_SHIFT)
-			     & BCM43xx_TXHDR_WSEC_KEYINDEX_MASK;
-	}
-
-	/* Generate the PLCP header and the fallback PLCP header. */
-	bcm43xx_generate_plcp_hdr((struct bcm43xx_plcp_hdr4 *)(&txhdr->plcp),
-				  plcp_fragment_len,
-				  bitrate, ofdm_modulation);
-	bcm43xx_generate_plcp_hdr(&txhdr->fallback_plcp, plcp_fragment_len,
-				  fallback_bitrate, fallback_ofdm_modulation);
-
-	/* Set the CONTROL field */
-	if (ofdm_modulation)
-		control |= BCM43xx_TXHDRCTL_OFDM;
-	if (bcm->short_preamble) //FIXME: could be the other way around, please test
-		control |= BCM43xx_TXHDRCTL_SHORT_PREAMBLE;
-	control |= (phy->antenna_diversity << BCM43xx_TXHDRCTL_ANTENNADIV_SHIFT)
-		   & BCM43xx_TXHDRCTL_ANTENNADIV_MASK;
-
-	/* Set the FLAGS field */
-	if (!is_multicast_ether_addr(wireless_header->addr1) &&
-	    !is_broadcast_ether_addr(wireless_header->addr1))
-		flags |= BCM43xx_TXHDRFLAG_EXPECTACK;
-	if (1 /* FIXME: PS poll?? */)
-		flags |= 0x10; // FIXME: unknown meaning.
-	if (fallback_ofdm_modulation)
-		flags |= BCM43xx_TXHDRFLAG_FALLBACKOFDM;
-	if (is_first_fragment)
-		flags |= BCM43xx_TXHDRFLAG_FIRSTFRAGMENT;
-
-	/* Set WSEC/RATE field */
-	wsec_rate |= (txhdr->plcp.raw[0] << BCM43xx_TXHDR_RATE_SHIFT)
-		     & BCM43xx_TXHDR_RATE_MASK;
-
-	/* Generate the RTS/CTS packet, if required. */
-	/* FIXME: We should first try with CTS-to-self,
-	 *        if we are on 80211g. If we get too many
-	 *        failures (hidden nodes), we should switch back to RTS/CTS.
-	 */
-	if (0/*FIXME txctl->use_rts_cts*/) {
-		bcm43xx_generate_rts(phy, txhdr, &flags,
-				     0/*FIXME txctl->rts_cts_rate*/,
-				     wireless_header);
-	}
-
-	txhdr->flags = cpu_to_le16(flags);
-	txhdr->control = cpu_to_le16(control);
-	txhdr->wsec_rate = cpu_to_le16(wsec_rate);
-}
-
-static s8 bcm43xx_rssi_postprocess(struct bcm43xx_private *bcm,
-				   u8 in_rssi, int ofdm,
-				   int adjust_2053, int adjust_2050)
-{
-	struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
-	struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
-	s32 tmp;
-
-	switch (radio->version) {
-	case 0x2050:
-		if (ofdm) {
-			tmp = in_rssi;
-			if (tmp > 127)
-				tmp -= 256;
-			tmp *= 73;
-			tmp /= 64;
-			if (adjust_2050)
-				tmp += 25;
-			else
-				tmp -= 3;
-		} else {
-			if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) {
-				if (in_rssi > 63)
-					in_rssi = 63;
-				tmp = radio->nrssi_lt[in_rssi];
-				tmp = 31 - tmp;
-				tmp *= -131;
-				tmp /= 128;
-				tmp -= 57;
-			} else {
-				tmp = in_rssi;
-				tmp = 31 - tmp;
-				tmp *= -149;
-				tmp /= 128;
-				tmp -= 68;
-			}
-			if (phy->type == BCM43xx_PHYTYPE_G &&
-			    adjust_2050)
-				tmp += 25;
-		}
-		break;
-	case 0x2060:
-		if (in_rssi > 127)
-			tmp = in_rssi - 256;
-		else
-			tmp = in_rssi;
-		break;
-	default:
-		tmp = in_rssi;
-		tmp -= 11;
-		tmp *= 103;
-		tmp /= 64;
-		if (adjust_2053)
-			tmp -= 109;
-		else
-			tmp -= 83;
-	}
-
-	return (s8)tmp;
-}
-
-//TODO
-#if 0
-static s8 bcm43xx_rssinoise_postprocess(struct bcm43xx_private *bcm,
-					u8 in_rssi)
-{
-	struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
-	s8 ret;
-
-	if (phy->type == BCM43xx_PHYTYPE_A) {
-		//TODO: Incomplete specs.
-		ret = 0;
-	} else
-		ret = bcm43xx_rssi_postprocess(bcm, in_rssi, 0, 1, 1);
-
-	return ret;
-}
-#endif
-
-int bcm43xx_rx(struct bcm43xx_private *bcm,
-	       struct sk_buff *skb,
-	       struct bcm43xx_rxhdr *rxhdr)
-{
-	struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
-	struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
-	struct bcm43xx_plcp_hdr4 *plcp;
-	struct ieee80211_rx_stats stats;
-	struct ieee80211_hdr_4addr *wlhdr;
-	u16 frame_ctl;
-	int is_packet_for_us = 0;
-	int err = -EINVAL;
-	const u16 rxflags1 = le16_to_cpu(rxhdr->flags1);
-	const u16 rxflags2 = le16_to_cpu(rxhdr->flags2);
-	const u16 rxflags3 = le16_to_cpu(rxhdr->flags3);
-	const int is_ofdm = !!(rxflags1 & BCM43xx_RXHDR_FLAGS1_OFDM);
-
-	if (rxflags2 & BCM43xx_RXHDR_FLAGS2_TYPE2FRAME) {
-		plcp = (struct bcm43xx_plcp_hdr4 *)(skb->data + 2);
-		/* Skip two unknown bytes and the PLCP header. */
-		skb_pull(skb, 2 + sizeof(struct bcm43xx_plcp_hdr6));
-	} else {
-		plcp = (struct bcm43xx_plcp_hdr4 *)(skb->data);
-		/* Skip the PLCP header. */
-		skb_pull(skb, sizeof(struct bcm43xx_plcp_hdr6));
-	}
-	/* The SKB contains the PAYLOAD (wireless header + data)
-	 * at this point. The FCS at the end is stripped.
-	 */
-
-	memset(&stats, 0, sizeof(stats));
-	stats.mac_time = le16_to_cpu(rxhdr->mactime);
-	stats.rssi = rxhdr->rssi;
-	stats.signal = bcm43xx_rssi_postprocess(bcm, rxhdr->rssi, is_ofdm,
-					      !!(rxflags1 & BCM43xx_RXHDR_FLAGS1_2053RSSIADJ),
-					      !!(rxflags3 & BCM43xx_RXHDR_FLAGS3_2050RSSIADJ));
-	stats.noise = bcm->stats.noise;
-	if (is_ofdm)
-		stats.rate = bcm43xx_plcp_get_bitrate_ofdm(plcp);
-	else
-		stats.rate = bcm43xx_plcp_get_bitrate_cck(plcp);
-	stats.received_channel = radio->channel;
-	stats.mask = IEEE80211_STATMASK_SIGNAL |
-		     IEEE80211_STATMASK_NOISE |
-		     IEEE80211_STATMASK_RATE |
-		     IEEE80211_STATMASK_RSSI;
-	if (phy->type == BCM43xx_PHYTYPE_A)
-		stats.freq = IEEE80211_52GHZ_BAND;
-	else
-		stats.freq = IEEE80211_24GHZ_BAND;
-	stats.len = skb->len;
-
-	bcm->stats.last_rx = jiffies;
-	if (bcm->ieee->iw_mode == IW_MODE_MONITOR) {
-		err = ieee80211_rx(bcm->ieee, skb, &stats);
-		return (err == 0) ? -EINVAL : 0;
-	}
-
-	wlhdr = (struct ieee80211_hdr_4addr *)(skb->data);
-
-	switch (bcm->ieee->iw_mode) {
-	case IW_MODE_ADHOC:
-		if (memcmp(wlhdr->addr1, bcm->net_dev->dev_addr, ETH_ALEN) == 0 ||
-		    memcmp(wlhdr->addr3, bcm->ieee->bssid, ETH_ALEN) == 0 ||
-		    is_broadcast_ether_addr(wlhdr->addr1) ||
-		    is_multicast_ether_addr(wlhdr->addr1) ||
-		    bcm->net_dev->flags & IFF_PROMISC)
-			is_packet_for_us = 1;
-		break;
-	case IW_MODE_INFRA:
-	default:
-		/* When receiving multicast or broadcast packets, filter out
-		   the packets we send ourself; we shouldn't see those */
-		if (memcmp(wlhdr->addr3, bcm->ieee->bssid, ETH_ALEN) == 0 ||
-		    memcmp(wlhdr->addr1, bcm->net_dev->dev_addr, ETH_ALEN) == 0 ||
-		    (memcmp(wlhdr->addr3, bcm->net_dev->dev_addr, ETH_ALEN) &&
-		     (is_broadcast_ether_addr(wlhdr->addr1) ||
-		      is_multicast_ether_addr(wlhdr->addr1) ||
-		      bcm->net_dev->flags & IFF_PROMISC)))
-			is_packet_for_us = 1;
-		break;
-	}
-
-	frame_ctl = le16_to_cpu(wlhdr->frame_ctl);
-	switch (WLAN_FC_GET_TYPE(frame_ctl)) {
-	case IEEE80211_FTYPE_MGMT:
-		ieee80211_rx_mgt(bcm->ieee, wlhdr, &stats);
-		break;
-	case IEEE80211_FTYPE_DATA:
-		if (is_packet_for_us) {
-			err = ieee80211_rx(bcm->ieee, skb, &stats);
-			err = (err == 0) ? -EINVAL : 0;
-		}
-		break;
-	case IEEE80211_FTYPE_CTL:
-		break;
-	default:
-		assert(0);
-		return -EINVAL;
-	}
-
-	return err;
-}