diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-18 18:02:35 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-18 18:02:35 -0700 |
commit | 334d094504c2fe1c44211ecb49146ae6bca8c321 (patch) | |
tree | d3c0f68e4b9f8e3d2ccc39e7dfe5de0534a5fad9 /drivers/net/wireless/b43legacy/xmit.c | |
parent | d1a4be630fb068f251d64b62919f143c49ca8057 (diff) | |
parent | d1643d24c61b725bef399cc1cf2944b4c9c23177 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26: (1090 commits)
[NET]: Fix and allocate less memory for ->priv'less netdevices
[IPV6]: Fix dangling references on error in fib6_add().
[NETLABEL]: Fix NULL deref in netlbl_unlabel_staticlist_gen() if ifindex not found
[PKT_SCHED]: Fix datalen check in tcf_simp_init().
[INET]: Uninline the __inet_inherit_port call.
[INET]: Drop the inet_inherit_port() call.
SCTP: Initialize partial_bytes_acked to 0, when all of the data is acked.
[netdrvr] forcedeth: internal simplifications; changelog removal
phylib: factor out get_phy_id from within get_phy_device
PHY: add BCM5464 support to broadcom PHY driver
cxgb3: Fix __must_check warning with dev_dbg.
tc35815: Statistics cleanup
natsemi: fix MMIO for PPC 44x platforms
[TIPC]: Cleanup of TIPC reference table code
[TIPC]: Optimized initialization of TIPC reference table
[TIPC]: Remove inlining of reference table locking routines
e1000: convert uint16_t style integers to u16
ixgb: convert uint16_t style integers to u16
sb1000.c: make const arrays static
sb1000.c: stop inlining largish static functions
...
Diffstat (limited to 'drivers/net/wireless/b43legacy/xmit.c')
-rw-r--r-- | drivers/net/wireless/b43legacy/xmit.c | 78 |
1 files changed, 40 insertions, 38 deletions
diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c index d84408a82db..dcad2491a60 100644 --- a/drivers/net/wireless/b43legacy/xmit.c +++ b/drivers/net/wireless/b43legacy/xmit.c @@ -37,45 +37,48 @@ /* Extract the bitrate out of a CCK PLCP header. */ -static u8 b43legacy_plcp_get_bitrate_cck(struct b43legacy_plcp_hdr6 *plcp) +static u8 b43legacy_plcp_get_bitrate_idx_cck(struct b43legacy_plcp_hdr6 *plcp) { switch (plcp->raw[0]) { case 0x0A: - return B43legacy_CCK_RATE_1MB; + return 0; case 0x14: - return B43legacy_CCK_RATE_2MB; + return 1; case 0x37: - return B43legacy_CCK_RATE_5MB; + return 2; case 0x6E: - return B43legacy_CCK_RATE_11MB; + return 3; } B43legacy_BUG_ON(1); - return 0; + return -1; } /* Extract the bitrate out of an OFDM PLCP header. */ -static u8 b43legacy_plcp_get_bitrate_ofdm(struct b43legacy_plcp_hdr6 *plcp) +static u8 b43legacy_plcp_get_bitrate_idx_ofdm(struct b43legacy_plcp_hdr6 *plcp, + bool aphy) { + int base = aphy ? 0 : 4; + switch (plcp->raw[0] & 0xF) { case 0xB: - return B43legacy_OFDM_RATE_6MB; + return base + 0; case 0xF: - return B43legacy_OFDM_RATE_9MB; + return base + 1; case 0xA: - return B43legacy_OFDM_RATE_12MB; + return base + 2; case 0xE: - return B43legacy_OFDM_RATE_18MB; + return base + 3; case 0x9: - return B43legacy_OFDM_RATE_24MB; + return base + 4; case 0xD: - return B43legacy_OFDM_RATE_36MB; + return base + 5; case 0x8: - return B43legacy_OFDM_RATE_48MB; + return base + 6; case 0xC: - return B43legacy_OFDM_RATE_54MB; + return base + 7; } B43legacy_BUG_ON(1); - return 0; + return -1; } u8 b43legacy_plcp_get_ratecode_cck(const u8 bitrate) @@ -192,7 +195,7 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev, int use_encryption = (!(txctl->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT)); u16 fctl; u8 rate; - u8 rate_fb; + struct ieee80211_rate *rate_fb; int rate_ofdm; int rate_fb_ofdm; unsigned int plcp_fragment_len; @@ -204,16 +207,16 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev, memset(txhdr, 0, sizeof(*txhdr)); - rate = txctl->tx_rate; + rate = txctl->tx_rate->hw_value; rate_ofdm = b43legacy_is_ofdm_rate(rate); - rate_fb = (txctl->alt_retry_rate == -1) ? rate : txctl->alt_retry_rate; - rate_fb_ofdm = b43legacy_is_ofdm_rate(rate_fb); + rate_fb = txctl->alt_retry_rate ? : txctl->tx_rate; + rate_fb_ofdm = b43legacy_is_ofdm_rate(rate_fb->hw_value); txhdr->mac_frame_ctl = wlhdr->frame_control; memcpy(txhdr->tx_receiver, wlhdr->addr1, 6); /* Calculate duration for fallback rate */ - if ((rate_fb == rate) || + if ((rate_fb->hw_value == rate) || (wlhdr->duration_id & cpu_to_le16(0x8000)) || (wlhdr->duration_id == cpu_to_le16(0))) { /* If the fallback rate equals the normal rate or the @@ -221,11 +224,10 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev, * use the original dur_id field. */ txhdr->dur_fb = wlhdr->duration_id; } else { - int fbrate_base100kbps = B43legacy_RATE_TO_100KBPS(rate_fb); txhdr->dur_fb = ieee80211_generic_frame_duration(dev->wl->hw, txctl->vif, fragment_len, - fbrate_base100kbps); + rate_fb); } plcp_fragment_len = fragment_len + FCS_LEN; @@ -266,7 +268,7 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev, rate); b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *) (&txhdr->plcp_fb), plcp_fragment_len, - rate_fb); + rate_fb->hw_value); /* PHY TX Control word */ if (rate_ofdm) @@ -310,7 +312,7 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev, int rts_rate_ofdm; int rts_rate_fb_ofdm; - rts_rate = txctl->rts_cts_rate; + rts_rate = txctl->rts_cts_rate->hw_value; rts_rate_ofdm = b43legacy_is_ofdm_rate(rts_rate); rts_rate_fb = b43legacy_calc_fallback_rate(rts_rate); rts_rate_fb_ofdm = b43legacy_is_ofdm_rate(rts_rate_fb); @@ -536,19 +538,24 @@ void b43legacy_rx(struct b43legacy_wldev *dev, (phystat3 & B43legacy_RX_PHYST3_TRSTATE)); status.noise = dev->stats.link_noise; status.signal = (jssi * 100) / B43legacy_RX_MAX_SSI; + /* change to support A PHY */ if (phystat0 & B43legacy_RX_PHYST0_OFDM) - status.rate = b43legacy_plcp_get_bitrate_ofdm(plcp); + status.rate_idx = b43legacy_plcp_get_bitrate_idx_ofdm(plcp, false); else - status.rate = b43legacy_plcp_get_bitrate_cck(plcp); + status.rate_idx = b43legacy_plcp_get_bitrate_idx_cck(plcp); status.antenna = !!(phystat0 & B43legacy_RX_PHYST0_ANT); /* - * If monitors are present get full 64-bit timestamp. 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. + * 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 (dev->wl->radiotap_enabled) { + if (((fctl & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) + == (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON)) || + dev->wl->radiotap_enabled) { u16 low_mactime_now; b43legacy_tsf_read(dev, &status.mactime); @@ -564,14 +571,9 @@ void b43legacy_rx(struct b43legacy_wldev *dev, B43legacy_RX_CHAN_ID_SHIFT; switch (chanstat & B43legacy_RX_CHAN_PHYTYPE) { case B43legacy_PHYTYPE_B: - status.phymode = MODE_IEEE80211B; - status.freq = chanid + 2400; - status.channel = b43legacy_freq_to_channel_bg(chanid + 2400); - break; case B43legacy_PHYTYPE_G: - status.phymode = MODE_IEEE80211G; + status.band = IEEE80211_BAND_2GHZ; status.freq = chanid + 2400; - status.channel = b43legacy_freq_to_channel_bg(chanid + 2400); break; default: b43legacywarn(dev->wl, "Unexpected value for chanstat (0x%X)\n", |