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652 lines
17 KiB
652 lines
17 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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Broadcom B43legacy wireless driver |
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Transmission (TX/RX) related functions. |
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Copyright (C) 2005 Martin Langer <[email protected]> |
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Copyright (C) 2005 Stefano Brivio <[email protected]> |
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Copyright (C) 2005, 2006 Michael Buesch <[email protected]> |
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Copyright (C) 2005 Danny van Dyk <[email protected]> |
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Copyright (C) 2005 Andreas Jaggi <[email protected]> |
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Copyright (C) 2007 Larry Finger <[email protected]> |
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*/ |
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#include <net/dst.h> |
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#include "xmit.h" |
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#include "phy.h" |
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#include "dma.h" |
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#include "pio.h" |
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/* Extract the bitrate out of a CCK PLCP header. */ |
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static u8 b43legacy_plcp_get_bitrate_idx_cck(struct b43legacy_plcp_hdr6 *plcp) |
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{ |
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switch (plcp->raw[0]) { |
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case 0x0A: |
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return 0; |
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case 0x14: |
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return 1; |
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case 0x37: |
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return 2; |
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case 0x6E: |
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return 3; |
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} |
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B43legacy_BUG_ON(1); |
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return -1; |
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} |
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/* Extract the bitrate out of an OFDM PLCP header. */ |
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static u8 b43legacy_plcp_get_bitrate_idx_ofdm(struct b43legacy_plcp_hdr6 *plcp, |
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bool aphy) |
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{ |
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int base = aphy ? 0 : 4; |
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switch (plcp->raw[0] & 0xF) { |
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case 0xB: |
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return base + 0; |
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case 0xF: |
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return base + 1; |
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case 0xA: |
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return base + 2; |
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case 0xE: |
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return base + 3; |
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case 0x9: |
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return base + 4; |
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case 0xD: |
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return base + 5; |
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case 0x8: |
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return base + 6; |
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case 0xC: |
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return base + 7; |
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} |
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B43legacy_BUG_ON(1); |
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return -1; |
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} |
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u8 b43legacy_plcp_get_ratecode_cck(const u8 bitrate) |
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{ |
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switch (bitrate) { |
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case B43legacy_CCK_RATE_1MB: |
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return 0x0A; |
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case B43legacy_CCK_RATE_2MB: |
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return 0x14; |
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case B43legacy_CCK_RATE_5MB: |
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return 0x37; |
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case B43legacy_CCK_RATE_11MB: |
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return 0x6E; |
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} |
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B43legacy_BUG_ON(1); |
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return 0; |
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} |
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u8 b43legacy_plcp_get_ratecode_ofdm(const u8 bitrate) |
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{ |
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switch (bitrate) { |
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case B43legacy_OFDM_RATE_6MB: |
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return 0xB; |
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case B43legacy_OFDM_RATE_9MB: |
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return 0xF; |
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case B43legacy_OFDM_RATE_12MB: |
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return 0xA; |
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case B43legacy_OFDM_RATE_18MB: |
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return 0xE; |
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case B43legacy_OFDM_RATE_24MB: |
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return 0x9; |
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case B43legacy_OFDM_RATE_36MB: |
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return 0xD; |
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case B43legacy_OFDM_RATE_48MB: |
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return 0x8; |
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case B43legacy_OFDM_RATE_54MB: |
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return 0xC; |
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} |
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B43legacy_BUG_ON(1); |
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return 0; |
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} |
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void b43legacy_generate_plcp_hdr(struct b43legacy_plcp_hdr4 *plcp, |
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const u16 octets, const u8 bitrate) |
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{ |
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__le32 *data = &(plcp->data); |
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__u8 *raw = plcp->raw; |
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if (b43legacy_is_ofdm_rate(bitrate)) { |
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u16 d; |
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d = b43legacy_plcp_get_ratecode_ofdm(bitrate); |
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B43legacy_WARN_ON(octets & 0xF000); |
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d |= (octets << 5); |
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*data = cpu_to_le32(d); |
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} else { |
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u32 plen; |
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plen = octets * 16 / bitrate; |
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if ((octets * 16 % bitrate) > 0) { |
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plen++; |
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if ((bitrate == B43legacy_CCK_RATE_11MB) |
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&& ((octets * 8 % 11) < 4)) |
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raw[1] = 0x84; |
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else |
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raw[1] = 0x04; |
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} else |
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raw[1] = 0x04; |
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*data |= cpu_to_le32(plen << 16); |
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raw[0] = b43legacy_plcp_get_ratecode_cck(bitrate); |
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} |
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} |
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static u8 b43legacy_calc_fallback_rate(u8 bitrate) |
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{ |
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switch (bitrate) { |
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case B43legacy_CCK_RATE_1MB: |
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return B43legacy_CCK_RATE_1MB; |
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case B43legacy_CCK_RATE_2MB: |
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return B43legacy_CCK_RATE_1MB; |
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case B43legacy_CCK_RATE_5MB: |
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return B43legacy_CCK_RATE_2MB; |
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case B43legacy_CCK_RATE_11MB: |
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return B43legacy_CCK_RATE_5MB; |
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case B43legacy_OFDM_RATE_6MB: |
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return B43legacy_CCK_RATE_5MB; |
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case B43legacy_OFDM_RATE_9MB: |
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return B43legacy_OFDM_RATE_6MB; |
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case B43legacy_OFDM_RATE_12MB: |
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return B43legacy_OFDM_RATE_9MB; |
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case B43legacy_OFDM_RATE_18MB: |
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return B43legacy_OFDM_RATE_12MB; |
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case B43legacy_OFDM_RATE_24MB: |
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return B43legacy_OFDM_RATE_18MB; |
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case B43legacy_OFDM_RATE_36MB: |
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return B43legacy_OFDM_RATE_24MB; |
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case B43legacy_OFDM_RATE_48MB: |
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return B43legacy_OFDM_RATE_36MB; |
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case B43legacy_OFDM_RATE_54MB: |
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return B43legacy_OFDM_RATE_48MB; |
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} |
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B43legacy_BUG_ON(1); |
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return 0; |
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} |
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static int generate_txhdr_fw3(struct b43legacy_wldev *dev, |
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struct b43legacy_txhdr_fw3 *txhdr, |
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const unsigned char *fragment_data, |
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unsigned int fragment_len, |
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struct ieee80211_tx_info *info, |
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u16 cookie) |
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{ |
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const struct ieee80211_hdr *wlhdr; |
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int use_encryption = !!info->control.hw_key; |
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u8 rate; |
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struct ieee80211_rate *rate_fb; |
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int rate_ofdm; |
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int rate_fb_ofdm; |
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unsigned int plcp_fragment_len; |
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u32 mac_ctl = 0; |
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u16 phy_ctl = 0; |
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struct ieee80211_rate *tx_rate; |
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struct ieee80211_tx_rate *rates; |
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wlhdr = (const struct ieee80211_hdr *)fragment_data; |
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memset(txhdr, 0, sizeof(*txhdr)); |
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tx_rate = ieee80211_get_tx_rate(dev->wl->hw, info); |
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rate = tx_rate->hw_value; |
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rate_ofdm = b43legacy_is_ofdm_rate(rate); |
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rate_fb = ieee80211_get_alt_retry_rate(dev->wl->hw, info, 0) ? : tx_rate; |
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rate_fb_ofdm = b43legacy_is_ofdm_rate(rate_fb->hw_value); |
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txhdr->mac_frame_ctl = wlhdr->frame_control; |
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memcpy(txhdr->tx_receiver, wlhdr->addr1, ETH_ALEN); |
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/* Calculate duration for fallback rate */ |
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if ((rate_fb->hw_value == rate) || |
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(wlhdr->duration_id & cpu_to_le16(0x8000)) || |
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(wlhdr->duration_id == cpu_to_le16(0))) { |
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/* If the fallback rate equals the normal rate or the |
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* dur_id field contains an AID, CFP magic or 0, |
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* use the original dur_id field. */ |
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txhdr->dur_fb = wlhdr->duration_id; |
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} else { |
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txhdr->dur_fb = ieee80211_generic_frame_duration(dev->wl->hw, |
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info->control.vif, |
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info->band, |
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fragment_len, |
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rate_fb); |
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} |
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plcp_fragment_len = fragment_len + FCS_LEN; |
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if (use_encryption) { |
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u8 key_idx = info->control.hw_key->hw_key_idx; |
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struct b43legacy_key *key; |
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int wlhdr_len; |
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size_t iv_len; |
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B43legacy_WARN_ON(key_idx >= dev->max_nr_keys); |
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key = &(dev->key[key_idx]); |
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if (key->enabled) { |
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/* Hardware appends ICV. */ |
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plcp_fragment_len += info->control.hw_key->icv_len; |
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key_idx = b43legacy_kidx_to_fw(dev, key_idx); |
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mac_ctl |= (key_idx << B43legacy_TX4_MAC_KEYIDX_SHIFT) & |
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B43legacy_TX4_MAC_KEYIDX; |
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mac_ctl |= (key->algorithm << |
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B43legacy_TX4_MAC_KEYALG_SHIFT) & |
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B43legacy_TX4_MAC_KEYALG; |
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wlhdr_len = ieee80211_hdrlen(wlhdr->frame_control); |
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iv_len = min_t(size_t, info->control.hw_key->iv_len, |
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ARRAY_SIZE(txhdr->iv)); |
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memcpy(txhdr->iv, ((u8 *)wlhdr) + wlhdr_len, iv_len); |
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} else { |
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/* This key is invalid. This might only happen |
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* in a short timeframe after machine resume before |
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* we were able to reconfigure keys. |
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* Drop this packet completely. Do not transmit it |
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* unencrypted to avoid leaking information. */ |
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return -ENOKEY; |
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} |
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} |
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b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *) |
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(&txhdr->plcp), plcp_fragment_len, |
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rate); |
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b43legacy_generate_plcp_hdr(&txhdr->plcp_fb, plcp_fragment_len, |
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rate_fb->hw_value); |
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/* PHY TX Control word */ |
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if (rate_ofdm) |
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phy_ctl |= B43legacy_TX4_PHY_ENC_OFDM; |
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if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) |
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phy_ctl |= B43legacy_TX4_PHY_SHORTPRMBL; |
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phy_ctl |= B43legacy_TX4_PHY_ANTLAST; |
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/* MAC control */ |
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rates = info->control.rates; |
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if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) |
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mac_ctl |= B43legacy_TX4_MAC_ACK; |
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if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) |
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mac_ctl |= B43legacy_TX4_MAC_HWSEQ; |
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if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) |
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mac_ctl |= B43legacy_TX4_MAC_STMSDU; |
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if (rate_fb_ofdm) |
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mac_ctl |= B43legacy_TX4_MAC_FALLBACKOFDM; |
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/* Overwrite rates[0].count to make the retry calculation |
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* in the tx status easier. need the actual retry limit to |
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* detect whether the fallback rate was used. |
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*/ |
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if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) || |
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(rates[0].count <= dev->wl->hw->conf.long_frame_max_tx_count)) { |
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rates[0].count = dev->wl->hw->conf.long_frame_max_tx_count; |
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mac_ctl |= B43legacy_TX4_MAC_LONGFRAME; |
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} else { |
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rates[0].count = dev->wl->hw->conf.short_frame_max_tx_count; |
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} |
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/* Generate the RTS or CTS-to-self frame */ |
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if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) || |
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(rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)) { |
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unsigned int len; |
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struct ieee80211_hdr *hdr; |
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int rts_rate; |
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int rts_rate_fb; |
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int rts_rate_fb_ofdm; |
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rts_rate = ieee80211_get_rts_cts_rate(dev->wl->hw, info)->hw_value; |
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rts_rate_fb = b43legacy_calc_fallback_rate(rts_rate); |
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rts_rate_fb_ofdm = b43legacy_is_ofdm_rate(rts_rate_fb); |
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if (rts_rate_fb_ofdm) |
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mac_ctl |= B43legacy_TX4_MAC_CTSFALLBACKOFDM; |
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if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) { |
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ieee80211_ctstoself_get(dev->wl->hw, |
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info->control.vif, |
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fragment_data, |
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fragment_len, info, |
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(struct ieee80211_cts *) |
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(txhdr->rts_frame)); |
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mac_ctl |= B43legacy_TX4_MAC_SENDCTS; |
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len = sizeof(struct ieee80211_cts); |
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} else { |
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ieee80211_rts_get(dev->wl->hw, |
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info->control.vif, |
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fragment_data, fragment_len, info, |
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(struct ieee80211_rts *) |
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(txhdr->rts_frame)); |
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mac_ctl |= B43legacy_TX4_MAC_SENDRTS; |
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len = sizeof(struct ieee80211_rts); |
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} |
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len += FCS_LEN; |
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b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *) |
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(&txhdr->rts_plcp), |
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len, rts_rate); |
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b43legacy_generate_plcp_hdr(&txhdr->rts_plcp_fb, |
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len, rts_rate_fb); |
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hdr = (struct ieee80211_hdr *)(&txhdr->rts_frame); |
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txhdr->rts_dur_fb = hdr->duration_id; |
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} |
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/* Magic cookie */ |
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txhdr->cookie = cpu_to_le16(cookie); |
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/* Apply the bitfields */ |
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txhdr->mac_ctl = cpu_to_le32(mac_ctl); |
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txhdr->phy_ctl = cpu_to_le16(phy_ctl); |
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return 0; |
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} |
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int b43legacy_generate_txhdr(struct b43legacy_wldev *dev, |
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u8 *txhdr, |
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const unsigned char *fragment_data, |
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unsigned int fragment_len, |
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struct ieee80211_tx_info *info, |
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u16 cookie) |
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{ |
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return generate_txhdr_fw3(dev, (struct b43legacy_txhdr_fw3 *)txhdr, |
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fragment_data, fragment_len, |
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info, cookie); |
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} |
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static s8 b43legacy_rssi_postprocess(struct b43legacy_wldev *dev, |
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u8 in_rssi, int ofdm, |
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int adjust_2053, int adjust_2050) |
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{ |
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struct b43legacy_phy *phy = &dev->phy; |
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s32 tmp; |
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switch (phy->radio_ver) { |
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case 0x2050: |
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if (ofdm) { |
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tmp = in_rssi; |
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if (tmp > 127) |
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tmp -= 256; |
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tmp *= 73; |
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tmp /= 64; |
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if (adjust_2050) |
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tmp += 25; |
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else |
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tmp -= 3; |
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} else { |
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if (dev->dev->bus->sprom.boardflags_lo |
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& B43legacy_BFL_RSSI) { |
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if (in_rssi > 63) |
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in_rssi = 63; |
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tmp = phy->nrssi_lt[in_rssi]; |
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tmp = 31 - tmp; |
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tmp *= -131; |
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tmp /= 128; |
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tmp -= 57; |
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} else { |
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tmp = in_rssi; |
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tmp = 31 - tmp; |
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tmp *= -149; |
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tmp /= 128; |
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tmp -= 68; |
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} |
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if (phy->type == B43legacy_PHYTYPE_G && |
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adjust_2050) |
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tmp += 25; |
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} |
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break; |
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case 0x2060: |
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if (in_rssi > 127) |
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tmp = in_rssi - 256; |
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else |
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tmp = in_rssi; |
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break; |
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default: |
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tmp = in_rssi; |
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tmp -= 11; |
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tmp *= 103; |
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tmp /= 64; |
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if (adjust_2053) |
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tmp -= 109; |
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else |
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tmp -= 83; |
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} |
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return (s8)tmp; |
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} |
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void b43legacy_rx(struct b43legacy_wldev *dev, |
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struct sk_buff *skb, |
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const void *_rxhdr) |
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{ |
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struct ieee80211_rx_status status; |
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struct b43legacy_plcp_hdr6 *plcp; |
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struct ieee80211_hdr *wlhdr; |
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const struct b43legacy_rxhdr_fw3 *rxhdr = _rxhdr; |
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__le16 fctl; |
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u16 phystat0; |
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u16 phystat3; |
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u16 chanstat; |
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u16 mactime; |
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u32 macstat; |
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u16 chanid; |
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u8 jssi; |
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int padding; |
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|
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memset(&status, 0, sizeof(status)); |
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|
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/* Get metadata about the frame from the header. */ |
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phystat0 = le16_to_cpu(rxhdr->phy_status0); |
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phystat3 = le16_to_cpu(rxhdr->phy_status3); |
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jssi = rxhdr->jssi; |
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macstat = le16_to_cpu(rxhdr->mac_status); |
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mactime = le16_to_cpu(rxhdr->mac_time); |
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chanstat = le16_to_cpu(rxhdr->channel); |
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|
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if (macstat & B43legacy_RX_MAC_FCSERR) |
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dev->wl->ieee_stats.dot11FCSErrorCount++; |
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|
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/* Skip PLCP and padding */ |
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padding = (macstat & B43legacy_RX_MAC_PADDING) ? 2 : 0; |
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if (unlikely(skb->len < (sizeof(struct b43legacy_plcp_hdr6) + |
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padding))) { |
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b43legacydbg(dev->wl, "RX: Packet size underrun (1)\n"); |
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goto drop; |
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} |
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plcp = (struct b43legacy_plcp_hdr6 *)(skb->data + padding); |
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skb_pull(skb, sizeof(struct b43legacy_plcp_hdr6) + padding); |
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/* The skb contains the Wireless Header + payload data now */ |
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if (unlikely(skb->len < (2+2+6/*minimum hdr*/ + FCS_LEN))) { |
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b43legacydbg(dev->wl, "RX: Packet size underrun (2)\n"); |
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goto drop; |
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} |
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wlhdr = (struct ieee80211_hdr *)(skb->data); |
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fctl = wlhdr->frame_control; |
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|
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if ((macstat & B43legacy_RX_MAC_DEC) && |
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!(macstat & B43legacy_RX_MAC_DECERR)) { |
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unsigned int keyidx; |
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int wlhdr_len; |
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int iv_len; |
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int icv_len; |
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|
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keyidx = ((macstat & B43legacy_RX_MAC_KEYIDX) |
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>> B43legacy_RX_MAC_KEYIDX_SHIFT); |
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/* We must adjust the key index here. We want the "physical" |
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* key index, but the ucode passed it slightly different. |
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*/ |
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keyidx = b43legacy_kidx_to_raw(dev, keyidx); |
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B43legacy_WARN_ON(keyidx >= dev->max_nr_keys); |
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|
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if (dev->key[keyidx].algorithm != B43legacy_SEC_ALGO_NONE) { |
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/* Remove PROTECTED flag to mark it as decrypted. */ |
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B43legacy_WARN_ON(!ieee80211_has_protected(fctl)); |
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fctl &= ~cpu_to_le16(IEEE80211_FCTL_PROTECTED); |
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wlhdr->frame_control = fctl; |
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|
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wlhdr_len = ieee80211_hdrlen(fctl); |
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if (unlikely(skb->len < (wlhdr_len + 3))) { |
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b43legacydbg(dev->wl, "RX: Packet size" |
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" underrun3\n"); |
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goto drop; |
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} |
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if (skb->data[wlhdr_len + 3] & (1 << 5)) { |
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/* The Ext-IV Bit is set in the "KeyID" |
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* octet of the IV. |
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*/ |
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iv_len = 8; |
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icv_len = 8; |
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} else { |
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iv_len = 4; |
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icv_len = 4; |
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} |
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if (unlikely(skb->len < (wlhdr_len + iv_len + |
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icv_len))) { |
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b43legacydbg(dev->wl, "RX: Packet size" |
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" underrun4\n"); |
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goto drop; |
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} |
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/* Remove the IV */ |
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memmove(skb->data + iv_len, skb->data, wlhdr_len); |
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skb_pull(skb, iv_len); |
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/* Remove the ICV */ |
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skb_trim(skb, skb->len - icv_len); |
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|
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status.flag |= RX_FLAG_DECRYPTED; |
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} |
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} |
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|
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status.signal = b43legacy_rssi_postprocess(dev, jssi, |
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(phystat0 & B43legacy_RX_PHYST0_OFDM), |
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(phystat0 & B43legacy_RX_PHYST0_GAINCTL), |
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(phystat3 & B43legacy_RX_PHYST3_TRSTATE)); |
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/* change to support A PHY */ |
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if (phystat0 & B43legacy_RX_PHYST0_OFDM) |
|
status.rate_idx = b43legacy_plcp_get_bitrate_idx_ofdm(plcp, false); |
|
else |
|
status.rate_idx = b43legacy_plcp_get_bitrate_idx_cck(plcp); |
|
status.antenna = !!(phystat0 & B43legacy_RX_PHYST0_ANT); |
|
|
|
/* |
|
* All frames on monitor interfaces and beacons always need a full |
|
* 64-bit timestamp. Monitor interfaces need it for diagnostic |
|
* purposes and beacons for IBSS merging. |
|
* This code assumes we get to process the packet within 16 bits |
|
* of timestamp, i.e. about 65 milliseconds after the PHY received |
|
* the first symbol. |
|
*/ |
|
if (ieee80211_is_beacon(fctl) || dev->wl->radiotap_enabled) { |
|
u16 low_mactime_now; |
|
|
|
b43legacy_tsf_read(dev, &status.mactime); |
|
low_mactime_now = status.mactime; |
|
status.mactime = status.mactime & ~0xFFFFULL; |
|
status.mactime += mactime; |
|
if (low_mactime_now <= mactime) |
|
status.mactime -= 0x10000; |
|
status.flag |= RX_FLAG_MACTIME_START; |
|
} |
|
|
|
chanid = (chanstat & B43legacy_RX_CHAN_ID) >> |
|
B43legacy_RX_CHAN_ID_SHIFT; |
|
switch (chanstat & B43legacy_RX_CHAN_PHYTYPE) { |
|
case B43legacy_PHYTYPE_B: |
|
case B43legacy_PHYTYPE_G: |
|
status.band = NL80211_BAND_2GHZ; |
|
status.freq = chanid + 2400; |
|
break; |
|
default: |
|
b43legacywarn(dev->wl, "Unexpected value for chanstat (0x%X)\n", |
|
chanstat); |
|
goto drop; |
|
} |
|
|
|
memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); |
|
ieee80211_rx_irqsafe(dev->wl->hw, skb); |
|
|
|
return; |
|
drop: |
|
b43legacydbg(dev->wl, "RX: Packet dropped\n"); |
|
dev_kfree_skb_any(skb); |
|
} |
|
|
|
void b43legacy_handle_txstatus(struct b43legacy_wldev *dev, |
|
const struct b43legacy_txstatus *status) |
|
{ |
|
b43legacy_debugfs_log_txstat(dev, status); |
|
|
|
if (status->intermediate) |
|
return; |
|
if (status->for_ampdu) |
|
return; |
|
if (!status->acked) |
|
dev->wl->ieee_stats.dot11ACKFailureCount++; |
|
if (status->rts_count) { |
|
if (status->rts_count == 0xF) /* FIXME */ |
|
dev->wl->ieee_stats.dot11RTSFailureCount++; |
|
else |
|
dev->wl->ieee_stats.dot11RTSSuccessCount++; |
|
} |
|
|
|
if (b43legacy_using_pio(dev)) |
|
b43legacy_pio_handle_txstatus(dev, status); |
|
else |
|
b43legacy_dma_handle_txstatus(dev, status); |
|
} |
|
|
|
/* Handle TX status report as received through DMA/PIO queues */ |
|
void b43legacy_handle_hwtxstatus(struct b43legacy_wldev *dev, |
|
const struct b43legacy_hwtxstatus *hw) |
|
{ |
|
struct b43legacy_txstatus status; |
|
u8 tmp; |
|
|
|
status.cookie = le16_to_cpu(hw->cookie); |
|
status.seq = le16_to_cpu(hw->seq); |
|
status.phy_stat = hw->phy_stat; |
|
tmp = hw->count; |
|
status.frame_count = (tmp >> 4); |
|
status.rts_count = (tmp & 0x0F); |
|
tmp = hw->flags << 1; |
|
status.supp_reason = ((tmp & 0x1C) >> 2); |
|
status.pm_indicated = !!(tmp & 0x80); |
|
status.intermediate = !!(tmp & 0x40); |
|
status.for_ampdu = !!(tmp & 0x20); |
|
status.acked = !!(tmp & 0x02); |
|
|
|
b43legacy_handle_txstatus(dev, &status); |
|
} |
|
|
|
/* Stop any TX operation on the device (suspend the hardware queues) */ |
|
void b43legacy_tx_suspend(struct b43legacy_wldev *dev) |
|
{ |
|
if (b43legacy_using_pio(dev)) |
|
b43legacy_pio_freeze_txqueues(dev); |
|
else |
|
b43legacy_dma_tx_suspend(dev); |
|
} |
|
|
|
/* Resume any TX operation on the device (resume the hardware queues) */ |
|
void b43legacy_tx_resume(struct b43legacy_wldev *dev) |
|
{ |
|
if (b43legacy_using_pio(dev)) |
|
b43legacy_pio_thaw_txqueues(dev); |
|
else |
|
b43legacy_dma_tx_resume(dev); |
|
} |
|
|
|
/* Initialize the QoS parameters */ |
|
void b43legacy_qos_init(struct b43legacy_wldev *dev) |
|
{ |
|
/* FIXME: This function must probably be called from the mac80211 |
|
* config callback. */ |
|
return; |
|
|
|
b43legacy_hf_write(dev, b43legacy_hf_read(dev) | B43legacy_HF_EDCF); |
|
/* FIXME kill magic */ |
|
b43legacy_write16(dev, 0x688, |
|
b43legacy_read16(dev, 0x688) | 0x4); |
|
|
|
|
|
/*TODO: We might need some stack support here to get the values. */ |
|
}
|
|
|