From eb189d8bc9824bcb2187ffdab27d77ab469264c3 Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Mon, 28 Jan 2008 14:47:41 -0800 Subject: b43: Add support for new firmware This patch adds support for new firmware. Old firmware is still supported until July 2008. To get new firmware, go to ftp://ftp.linksys.com/opensourcecode/wrt150nv11/1.51.3/ and download the tarball. We don't have a smaller tarball, yet. That will be fixed later. You can extract firmware out of the "wl_ap.o" file contained in this tarball using latest fwcutter. You must pass the option --unsupported to fwcutter. Fwcutter-010 with official support for a new firmware image will be released soon. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville Signed-off-by: David S. Miller --- drivers/net/wireless/b43/xmit.c | 144 ++++++++++++++++++++++++++-------------- 1 file changed, 94 insertions(+), 50 deletions(-) (limited to 'drivers/net/wireless/b43/xmit.c') diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 5014213b775..3fc53e8b441 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -177,13 +177,15 @@ static u8 b43_calc_fallback_rate(u8 bitrate) return 0; } -static void generate_txhdr_fw4(struct b43_wldev *dev, - struct b43_txhdr_fw4 *txhdr, - const unsigned char *fragment_data, - unsigned int fragment_len, - const struct ieee80211_tx_control *txctl, - u16 cookie) +/* Generate a TX data header. */ +void b43_generate_txhdr(struct b43_wldev *dev, + u8 *_txhdr, + const unsigned char *fragment_data, + unsigned int fragment_len, + const struct ieee80211_tx_control *txctl, + u16 cookie) { + struct b43_txhdr *txhdr = (struct b43_txhdr *)_txhdr; const struct b43_phy *phy = &dev->phy; const struct ieee80211_hdr *wlhdr = (const struct ieee80211_hdr *)fragment_data; @@ -241,23 +243,30 @@ static void generate_txhdr_fw4(struct b43_wldev *dev, plcp_fragment_len += txctl->icv_len; key_idx = b43_kidx_to_fw(dev, key_idx); - mac_ctl |= (key_idx << B43_TX4_MAC_KEYIDX_SHIFT) & - B43_TX4_MAC_KEYIDX; - mac_ctl |= (key->algorithm << B43_TX4_MAC_KEYALG_SHIFT) & - B43_TX4_MAC_KEYALG; + 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); } - b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->plcp), - plcp_fragment_len, rate); + if (b43_is_old_txhdr_format(dev)) { + b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->old_format.plcp), + plcp_fragment_len, rate); + } else { + b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->new_format.plcp), + plcp_fragment_len, rate); + } b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->plcp_fb), plcp_fragment_len, rate_fb); /* Extra Frame Types */ if (rate_fb_ofdm) - extra_ft |= B43_TX4_EFT_FBOFDM; + extra_ft |= B43_TXH_EFT_FB_OFDM; + else + extra_ft |= B43_TXH_EFT_FB_CCK; /* Set channel radio code. Note that the micrcode ORs 0x100 to * this value before comparing it to the value in SHM, if this @@ -267,19 +276,27 @@ static void generate_txhdr_fw4(struct b43_wldev *dev, /* PHY TX Control word */ if (rate_ofdm) - phy_ctl |= B43_TX4_PHY_OFDM; + phy_ctl |= B43_TXH_PHY_ENC_OFDM; + else + phy_ctl |= B43_TXH_PHY_ENC_CCK; if (dev->short_preamble) - phy_ctl |= B43_TX4_PHY_SHORTPRMBL; + phy_ctl |= B43_TXH_PHY_SHORTPRMBL; switch (b43_ieee80211_antenna_sanitize(dev, txctl->antenna_sel_tx)) { case 0: /* Default */ - phy_ctl |= B43_TX4_PHY_ANTLAST; + phy_ctl |= B43_TXH_PHY_ANT01AUTO; break; case 1: /* Antenna 0 */ - phy_ctl |= B43_TX4_PHY_ANT0; + phy_ctl |= B43_TXH_PHY_ANT0; break; case 2: /* Antenna 1 */ - phy_ctl |= B43_TX4_PHY_ANT1; + phy_ctl |= B43_TXH_PHY_ANT1; + break; + case 3: /* Antenna 2 */ + phy_ctl |= B43_TXH_PHY_ANT2; + break; + case 4: /* Antenna 3 */ + phy_ctl |= B43_TXH_PHY_ANT3; break; default: B43_WARN_ON(1); @@ -287,16 +304,16 @@ static void generate_txhdr_fw4(struct b43_wldev *dev, /* MAC control */ if (!(txctl->flags & IEEE80211_TXCTL_NO_ACK)) - mac_ctl |= B43_TX4_MAC_ACK; + mac_ctl |= B43_TXH_MAC_ACK; if (!(((fctl & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL) && ((fctl & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PSPOLL))) - mac_ctl |= B43_TX4_MAC_HWSEQ; + mac_ctl |= B43_TXH_MAC_HWSEQ; if (txctl->flags & IEEE80211_TXCTL_FIRST_FRAGMENT) - mac_ctl |= B43_TX4_MAC_STMSDU; + mac_ctl |= B43_TXH_MAC_STMSDU; if (phy->type == B43_PHYTYPE_A) - mac_ctl |= B43_TX4_MAC_5GHZ; + mac_ctl |= B43_TXH_MAC_5GHZ; if (txctl->flags & IEEE80211_TXCTL_LONG_RETRY_LIMIT) - mac_ctl |= B43_TX4_MAC_LONGFRAME; + mac_ctl |= B43_TXH_MAC_LONGFRAME; /* Generate the RTS or CTS-to-self frame */ if ((txctl->flags & IEEE80211_TXCTL_USE_RTS_CTS) || @@ -305,6 +322,7 @@ static void generate_txhdr_fw4(struct b43_wldev *dev, struct ieee80211_hdr *hdr; int rts_rate, rts_rate_fb; int rts_rate_ofdm, rts_rate_fb_ofdm; + struct b43_plcp_hdr6 *plcp; rts_rate = txctl->rts_cts_rate; rts_rate_ofdm = b43_is_ofdm_rate(rts_rate); @@ -312,58 +330,84 @@ static void generate_txhdr_fw4(struct b43_wldev *dev, rts_rate_fb_ofdm = b43_is_ofdm_rate(rts_rate_fb); if (txctl->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) { + struct ieee80211_cts *cts; + + if (b43_is_old_txhdr_format(dev)) { + cts = (struct ieee80211_cts *) + (txhdr->old_format.rts_frame); + } else { + cts = (struct ieee80211_cts *) + (txhdr->new_format.rts_frame); + } ieee80211_ctstoself_get(dev->wl->hw, txctl->vif, fragment_data, fragment_len, - txctl, - (struct ieee80211_cts *)(txhdr-> - rts_frame)); - mac_ctl |= B43_TX4_MAC_SENDCTS; + txctl, cts); + mac_ctl |= B43_TXH_MAC_SENDCTS; len = sizeof(struct ieee80211_cts); } else { + struct ieee80211_rts *rts; + + if (b43_is_old_txhdr_format(dev)) { + rts = (struct ieee80211_rts *) + (txhdr->old_format.rts_frame); + } else { + rts = (struct ieee80211_rts *) + (txhdr->new_format.rts_frame); + } ieee80211_rts_get(dev->wl->hw, txctl->vif, - fragment_data, fragment_len, txctl, - (struct ieee80211_rts *)(txhdr-> - rts_frame)); - mac_ctl |= B43_TX4_MAC_SENDRTS; + fragment_data, fragment_len, + txctl, rts); + mac_ctl |= B43_TXH_MAC_SENDRTS; len = sizeof(struct ieee80211_rts); } len += FCS_LEN; - b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr-> - rts_plcp), len, - rts_rate); - b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr-> - rts_plcp_fb), + + /* Generate the PLCP headers for the RTS/CTS frame */ + if (b43_is_old_txhdr_format(dev)) + plcp = &txhdr->old_format.rts_plcp; + else + plcp = &txhdr->new_format.rts_plcp; + b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)plcp, + len, rts_rate); + plcp = &txhdr->rts_plcp_fb; + b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)plcp, len, rts_rate_fb); - hdr = (struct ieee80211_hdr *)(&txhdr->rts_frame); + + if (b43_is_old_txhdr_format(dev)) { + hdr = (struct ieee80211_hdr *) + (&txhdr->old_format.rts_frame); + } else { + hdr = (struct ieee80211_hdr *) + (&txhdr->new_format.rts_frame); + } txhdr->rts_dur_fb = hdr->duration_id; + if (rts_rate_ofdm) { - extra_ft |= B43_TX4_EFT_RTSOFDM; + extra_ft |= B43_TXH_EFT_RTS_OFDM; txhdr->phy_rate_rts = b43_plcp_get_ratecode_ofdm(rts_rate); - } else + } else { + extra_ft |= B43_TXH_EFT_RTS_CCK; txhdr->phy_rate_rts = b43_plcp_get_ratecode_cck(rts_rate); + } if (rts_rate_fb_ofdm) - extra_ft |= B43_TX4_EFT_RTSFBOFDM; + extra_ft |= B43_TXH_EFT_RTSFB_OFDM; + else + extra_ft |= B43_TXH_EFT_RTSFB_CCK; } /* Magic cookie */ - txhdr->cookie = cpu_to_le16(cookie); + if (b43_is_old_txhdr_format(dev)) + txhdr->old_format.cookie = cpu_to_le16(cookie); + else + txhdr->new_format.cookie = cpu_to_le16(cookie); /* Apply the bitfields */ txhdr->mac_ctl = cpu_to_le32(mac_ctl); txhdr->phy_ctl = cpu_to_le16(phy_ctl); txhdr->extra_ft = extra_ft; -} -void b43_generate_txhdr(struct b43_wldev *dev, - u8 * txhdr, - const unsigned char *fragment_data, - unsigned int fragment_len, - const struct ieee80211_tx_control *txctl, u16 cookie) -{ - generate_txhdr_fw4(dev, (struct b43_txhdr_fw4 *)txhdr, - fragment_data, fragment_len, txctl, cookie); } static s8 b43_rssi_postprocess(struct b43_wldev *dev, -- cgit v1.2.3