diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/wireless/b43/main.c | 1030 |
1 files changed, 723 insertions, 307 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index c73a75b24cd6..cf5c046c9fa8 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -46,7 +46,9 @@ #include "main.h" #include "debugfs.h" #include "phy.h" +#include "nphy.h" #include "dma.h" +#include "pio.h" #include "sysfs.h" #include "xmit.h" #include "lo.h" @@ -78,6 +80,11 @@ static int modparam_nohwcrypt; module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444); MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); +int b43_modparam_qos = 1; +module_param_named(qos, b43_modparam_qos, int, 0444); +MODULE_PARM_DESC(qos, "Enable QOS support (default on)"); + + static const struct ssb_device_id b43_ssb_tbl[] = { SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5), SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 6), @@ -96,25 +103,29 @@ MODULE_DEVICE_TABLE(ssb, b43_ssb_tbl); * data in there. This data is the same for all devices, so we don't * get concurrency issues */ #define RATETAB_ENT(_rateid, _flags) \ - { \ - .rate = B43_RATE_TO_BASE100KBPS(_rateid), \ - .val = (_rateid), \ - .val2 = (_rateid), \ - .flags = (_flags), \ + { \ + .bitrate = B43_RATE_TO_BASE100KBPS(_rateid), \ + .hw_value = (_rateid), \ + .flags = (_flags), \ } + +/* + * NOTE: When changing this, sync with xmit.c's + * b43_plcp_get_bitrate_idx_* functions! + */ static struct ieee80211_rate __b43_ratetable[] = { - RATETAB_ENT(B43_CCK_RATE_1MB, IEEE80211_RATE_CCK), - RATETAB_ENT(B43_CCK_RATE_2MB, IEEE80211_RATE_CCK_2), - RATETAB_ENT(B43_CCK_RATE_5MB, IEEE80211_RATE_CCK_2), - RATETAB_ENT(B43_CCK_RATE_11MB, IEEE80211_RATE_CCK_2), - RATETAB_ENT(B43_OFDM_RATE_6MB, IEEE80211_RATE_OFDM), - RATETAB_ENT(B43_OFDM_RATE_9MB, IEEE80211_RATE_OFDM), - RATETAB_ENT(B43_OFDM_RATE_12MB, IEEE80211_RATE_OFDM), - RATETAB_ENT(B43_OFDM_RATE_18MB, IEEE80211_RATE_OFDM), - RATETAB_ENT(B43_OFDM_RATE_24MB, IEEE80211_RATE_OFDM), - RATETAB_ENT(B43_OFDM_RATE_36MB, IEEE80211_RATE_OFDM), - RATETAB_ENT(B43_OFDM_RATE_48MB, IEEE80211_RATE_OFDM), - RATETAB_ENT(B43_OFDM_RATE_54MB, IEEE80211_RATE_OFDM), + RATETAB_ENT(B43_CCK_RATE_1MB, 0), + RATETAB_ENT(B43_CCK_RATE_2MB, IEEE80211_RATE_SHORT_PREAMBLE), + RATETAB_ENT(B43_CCK_RATE_5MB, IEEE80211_RATE_SHORT_PREAMBLE), + RATETAB_ENT(B43_CCK_RATE_11MB, IEEE80211_RATE_SHORT_PREAMBLE), + RATETAB_ENT(B43_OFDM_RATE_6MB, 0), + RATETAB_ENT(B43_OFDM_RATE_9MB, 0), + RATETAB_ENT(B43_OFDM_RATE_12MB, 0), + RATETAB_ENT(B43_OFDM_RATE_18MB, 0), + RATETAB_ENT(B43_OFDM_RATE_24MB, 0), + RATETAB_ENT(B43_OFDM_RATE_36MB, 0), + RATETAB_ENT(B43_OFDM_RATE_48MB, 0), + RATETAB_ENT(B43_OFDM_RATE_54MB, 0), }; #define b43_a_ratetable (__b43_ratetable + 4) @@ -124,53 +135,144 @@ static struct ieee80211_rate __b43_ratetable[] = { #define b43_g_ratetable (__b43_ratetable + 0) #define b43_g_ratetable_size 12 -#define CHANTAB_ENT(_chanid, _freq) \ - { \ - .chan = (_chanid), \ - .freq = (_freq), \ - .val = (_chanid), \ - .flag = IEEE80211_CHAN_W_SCAN | \ - IEEE80211_CHAN_W_ACTIVE_SCAN | \ - IEEE80211_CHAN_W_IBSS, \ - .power_level = 0xFF, \ - .antenna_max = 0xFF, \ - } +#define CHAN4G(_channel, _freq, _flags) { \ + .band = IEEE80211_BAND_2GHZ, \ + .center_freq = (_freq), \ + .hw_value = (_channel), \ + .flags = (_flags), \ + .max_antenna_gain = 0, \ + .max_power = 30, \ +} static struct ieee80211_channel b43_2ghz_chantable[] = { - CHANTAB_ENT(1, 2412), - CHANTAB_ENT(2, 2417), - CHANTAB_ENT(3, 2422), - CHANTAB_ENT(4, 2427), - CHANTAB_ENT(5, 2432), - CHANTAB_ENT(6, 2437), - CHANTAB_ENT(7, 2442), - CHANTAB_ENT(8, 2447), - CHANTAB_ENT(9, 2452), - CHANTAB_ENT(10, 2457), - CHANTAB_ENT(11, 2462), - CHANTAB_ENT(12, 2467), - CHANTAB_ENT(13, 2472), - CHANTAB_ENT(14, 2484), + CHAN4G(1, 2412, 0), + CHAN4G(2, 2417, 0), + CHAN4G(3, 2422, 0), + CHAN4G(4, 2427, 0), + CHAN4G(5, 2432, 0), + CHAN4G(6, 2437, 0), + CHAN4G(7, 2442, 0), + CHAN4G(8, 2447, 0), + CHAN4G(9, 2452, 0), + CHAN4G(10, 2457, 0), + CHAN4G(11, 2462, 0), + CHAN4G(12, 2467, 0), + CHAN4G(13, 2472, 0), + CHAN4G(14, 2484, 0), }; -#define b43_2ghz_chantable_size ARRAY_SIZE(b43_2ghz_chantable) - -#if 0 -static struct ieee80211_channel b43_5ghz_chantable[] = { - CHANTAB_ENT(36, 5180), - CHANTAB_ENT(40, 5200), - CHANTAB_ENT(44, 5220), - CHANTAB_ENT(48, 5240), - CHANTAB_ENT(52, 5260), - CHANTAB_ENT(56, 5280), - CHANTAB_ENT(60, 5300), - CHANTAB_ENT(64, 5320), - CHANTAB_ENT(149, 5745), - CHANTAB_ENT(153, 5765), - CHANTAB_ENT(157, 5785), - CHANTAB_ENT(161, 5805), - CHANTAB_ENT(165, 5825), +#undef CHAN4G + +#define CHAN5G(_channel, _flags) { \ + .band = IEEE80211_BAND_5GHZ, \ + .center_freq = 5000 + (5 * (_channel)), \ + .hw_value = (_channel), \ + .flags = (_flags), \ + .max_antenna_gain = 0, \ + .max_power = 30, \ +} +static struct ieee80211_channel b43_5ghz_nphy_chantable[] = { + CHAN5G(32, 0), CHAN5G(34, 0), + CHAN5G(36, 0), CHAN5G(38, 0), + CHAN5G(40, 0), CHAN5G(42, 0), + CHAN5G(44, 0), CHAN5G(46, 0), + CHAN5G(48, 0), CHAN5G(50, 0), + CHAN5G(52, 0), CHAN5G(54, 0), + CHAN5G(56, 0), CHAN5G(58, 0), + CHAN5G(60, 0), CHAN5G(62, 0), + CHAN5G(64, 0), CHAN5G(66, 0), + CHAN5G(68, 0), CHAN5G(70, 0), + CHAN5G(72, 0), CHAN5G(74, 0), + CHAN5G(76, 0), CHAN5G(78, 0), + CHAN5G(80, 0), CHAN5G(82, 0), + CHAN5G(84, 0), CHAN5G(86, 0), + CHAN5G(88, 0), CHAN5G(90, 0), + CHAN5G(92, 0), CHAN5G(94, 0), + CHAN5G(96, 0), CHAN5G(98, 0), + CHAN5G(100, 0), CHAN5G(102, 0), + CHAN5G(104, 0), CHAN5G(106, 0), + CHAN5G(108, 0), CHAN5G(110, 0), + CHAN5G(112, 0), CHAN5G(114, 0), + CHAN5G(116, 0), CHAN5G(118, 0), + CHAN5G(120, 0), CHAN5G(122, 0), + CHAN5G(124, 0), CHAN5G(126, 0), + CHAN5G(128, 0), CHAN5G(130, 0), + CHAN5G(132, 0), CHAN5G(134, 0), + CHAN5G(136, 0), CHAN5G(138, 0), + CHAN5G(140, 0), CHAN5G(142, 0), + CHAN5G(144, 0), CHAN5G(145, 0), + CHAN5G(146, 0), CHAN5G(147, 0), + CHAN5G(148, 0), CHAN5G(149, 0), + CHAN5G(150, 0), CHAN5G(151, 0), + CHAN5G(152, 0), CHAN5G(153, 0), + CHAN5G(154, 0), CHAN5G(155, 0), + CHAN5G(156, 0), CHAN5G(157, 0), + CHAN5G(158, 0), CHAN5G(159, 0), + CHAN5G(160, 0), CHAN5G(161, 0), + CHAN5G(162, 0), CHAN5G(163, 0), + CHAN5G(164, 0), CHAN5G(165, 0), + CHAN5G(166, 0), CHAN5G(168, 0), + CHAN5G(170, 0), CHAN5G(172, 0), + CHAN5G(174, 0), CHAN5G(176, 0), + CHAN5G(178, 0), CHAN5G(180, 0), + CHAN5G(182, 0), CHAN5G(184, 0), + CHAN5G(186, 0), CHAN5G(188, 0), + CHAN5G(190, 0), CHAN5G(192, 0), + CHAN5G(194, 0), CHAN5G(196, 0), + CHAN5G(198, 0), CHAN5G(200, 0), + CHAN5G(202, 0), CHAN5G(204, 0), + CHAN5G(206, 0), CHAN5G(208, 0), + CHAN5G(210, 0), CHAN5G(212, 0), + CHAN5G(214, 0), CHAN5G(216, 0), + CHAN5G(218, 0), CHAN5G(220, 0), + CHAN5G(222, 0), CHAN5G(224, 0), + CHAN5G(226, 0), CHAN5G(228, 0), +}; + +static struct ieee80211_channel b43_5ghz_aphy_chantable[] = { + CHAN5G(34, 0), CHAN5G(36, 0), + CHAN5G(38, 0), CHAN5G(40, 0), + CHAN5G(42, 0), CHAN5G(44, 0), + CHAN5G(46, 0), CHAN5G(48, 0), + CHAN5G(52, 0), CHAN5G(56, 0), + CHAN5G(60, 0), CHAN5G(64, 0), + CHAN5G(100, 0), CHAN5G(104, 0), + CHAN5G(108, 0), CHAN5G(112, 0), + CHAN5G(116, 0), CHAN5G(120, 0), + CHAN5G(124, 0), CHAN5G(128, 0), + CHAN5G(132, 0), CHAN5G(136, 0), + CHAN5G(140, 0), CHAN5G(149, 0), + CHAN5G(153, 0), CHAN5G(157, 0), + CHAN5G(161, 0), CHAN5G(165, 0), + CHAN5G(184, 0), CHAN5G(188, 0), + CHAN5G(192, 0), CHAN5G(196, 0), + CHAN5G(200, 0), CHAN5G(204, 0), + CHAN5G(208, 0), CHAN5G(212, 0), + CHAN5G(216, 0), +}; +#undef CHAN5G + +static struct ieee80211_supported_band b43_band_5GHz_nphy = { + .band = IEEE80211_BAND_5GHZ, + .channels = b43_5ghz_nphy_chantable, + .n_channels = ARRAY_SIZE(b43_5ghz_nphy_chantable), + .bitrates = b43_a_ratetable, + .n_bitrates = b43_a_ratetable_size, +}; + +static struct ieee80211_supported_band b43_band_5GHz_aphy = { + .band = IEEE80211_BAND_5GHZ, + .channels = b43_5ghz_aphy_chantable, + .n_channels = ARRAY_SIZE(b43_5ghz_aphy_chantable), + .bitrates = b43_a_ratetable, + .n_bitrates = b43_a_ratetable_size, +}; + +static struct ieee80211_supported_band b43_band_2GHz = { + .band = IEEE80211_BAND_2GHZ, + .channels = b43_2ghz_chantable, + .n_channels = ARRAY_SIZE(b43_2ghz_chantable), + .bitrates = b43_g_ratetable, + .n_bitrates = b43_g_ratetable_size, }; -#define b43_5ghz_chantable_size ARRAY_SIZE(b43_5ghz_chantable) -#endif static void b43_wireless_core_exit(struct b43_wldev *dev); static int b43_wireless_core_init(struct b43_wldev *dev); @@ -370,24 +472,30 @@ out: } /* Read HostFlags */ -u32 b43_hf_read(struct b43_wldev * dev) +u64 b43_hf_read(struct b43_wldev * dev) { - u32 ret; + u64 ret; ret = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI); ret <<= 16; + ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFMI); + ret <<= 16; ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFLO); return ret; } /* Write HostFlags */ -void b43_hf_write(struct b43_wldev *dev, u32 value) +void b43_hf_write(struct b43_wldev *dev, u64 value) { - b43_shm_write16(dev, B43_SHM_SHARED, - B43_SHM_SH_HOSTFLO, (value & 0x0000FFFF)); - b43_shm_write16(dev, B43_SHM_SHARED, - B43_SHM_SH_HOSTFHI, ((value & 0xFFFF0000) >> 16)); + u16 lo, mi, hi; + + lo = (value & 0x00000000FFFFULL); + mi = (value & 0x0000FFFF0000ULL) >> 16; + hi = (value & 0xFFFF00000000ULL) >> 32; + b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFLO, lo); + b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFMI, mi); + b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI, hi); } void b43_tsf_read(struct b43_wldev *dev, u64 * tsf) @@ -912,7 +1020,18 @@ void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags) /* Turn the Analog ON/OFF */ static void b43_switch_analog(struct b43_wldev *dev, int on) { - b43_write16(dev, B43_MMIO_PHY0, on ? 0 : 0xF4); + switch (dev->phy.type) { + case B43_PHYTYPE_A: + case B43_PHYTYPE_G: + b43_write16(dev, B43_MMIO_PHY0, on ? 0 : 0xF4); + break; + case B43_PHYTYPE_N: + b43_phy_write(dev, B43_NPHY_AFECTL_OVER, + on ? 0 : 0x7FFF); + break; + default: + B43_WARN_ON(1); + } } void b43_wireless_core_reset(struct b43_wldev *dev, u32 flags) @@ -1162,22 +1281,107 @@ static void b43_write_template_common(struct b43_wldev *dev, size + sizeof(struct b43_plcp_hdr6)); } +/* Check if the use of the antenna that ieee80211 told us to + * use is possible. This will fall back to DEFAULT. + * "antenna_nr" is the antenna identifier we got from ieee80211. */ +u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev, + u8 antenna_nr) +{ + u8 antenna_mask; + + if (antenna_nr == 0) { + /* Zero means "use default antenna". That's always OK. */ + return 0; + } + + /* Get the mask of available antennas. */ + if (dev->phy.gmode) + antenna_mask = dev->dev->bus->sprom.ant_available_bg; + else + antenna_mask = dev->dev->bus->sprom.ant_available_a; + + if (!(antenna_mask & (1 << (antenna_nr - 1)))) { + /* This antenna is not available. Fall back to default. */ + return 0; + } + + return antenna_nr; +} + +static int b43_antenna_from_ieee80211(struct b43_wldev *dev, u8 antenna) +{ + antenna = b43_ieee80211_antenna_sanitize(dev, antenna); + switch (antenna) { + case 0: /* default/diversity */ + return B43_ANTENNA_DEFAULT; + case 1: /* Antenna 0 */ + return B43_ANTENNA0; + case 2: /* Antenna 1 */ + return B43_ANTENNA1; + case 3: /* Antenna 2 */ + return B43_ANTENNA2; + case 4: /* Antenna 3 */ + return B43_ANTENNA3; + default: + return B43_ANTENNA_DEFAULT; + } +} + +/* Convert a b43 antenna number value to the PHY TX control value. */ +static u16 b43_antenna_to_phyctl(int antenna) +{ + switch (antenna) { + case B43_ANTENNA0: + return B43_TXH_PHY_ANT0; + case B43_ANTENNA1: + return B43_TXH_PHY_ANT1; + case B43_ANTENNA2: + return B43_TXH_PHY_ANT2; + case B43_ANTENNA3: + return B43_TXH_PHY_ANT3; + case B43_ANTENNA_AUTO: + return B43_TXH_PHY_ANT01AUTO; + } + B43_WARN_ON(1); + return 0; +} + static void b43_write_beacon_template(struct b43_wldev *dev, u16 ram_offset, - u16 shm_size_offset, u8 rate) + u16 shm_size_offset) { unsigned int i, len, variable_len; const struct ieee80211_mgmt *bcn; const u8 *ie; bool tim_found = 0; + unsigned int rate; + u16 ctl; + int antenna; bcn = (const struct ieee80211_mgmt *)(dev->wl->current_beacon->data); len = min((size_t) dev->wl->current_beacon->len, 0x200 - sizeof(struct b43_plcp_hdr6)); + rate = dev->wl->beacon_txctl.tx_rate->hw_value; b43_write_template_common(dev, (const u8 *)bcn, len, ram_offset, shm_size_offset, rate); + /* Write the PHY TX control parameters. */ + antenna = b43_antenna_from_ieee80211(dev, + dev->wl->beacon_txctl.antenna_sel_tx); + antenna = b43_antenna_to_phyctl(antenna); + ctl = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL); + /* We can't send beacons with short preamble. Would get PHY errors. */ + ctl &= ~B43_TXH_PHY_SHORTPRMBL; + ctl &= ~B43_TXH_PHY_ANT; + ctl &= ~B43_TXH_PHY_ENC; + ctl |= antenna; + if (b43_is_cck_rate(rate)) + ctl |= B43_TXH_PHY_ENC_CCK; + else + ctl |= B43_TXH_PHY_ENC_OFDM; + b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, ctl); + /* Find the position of the TIM and the DTIM_period value * and write them to SHM. */ ie = bcn->u.beacon.variable; @@ -1218,21 +1422,23 @@ static void b43_write_beacon_template(struct b43_wldev *dev, b43warn(dev->wl, "Did not find a valid TIM IE in " "the beacon template packet. AP or IBSS operation " "may be broken.\n"); - } + } else + b43dbg(dev->wl, "Updated beacon template\n"); } static void b43_write_probe_resp_plcp(struct b43_wldev *dev, - u16 shm_offset, u16 size, u8 rate) + u16 shm_offset, u16 size, + struct ieee80211_rate *rate) { struct b43_plcp_hdr4 plcp; u32 tmp; __le16 dur; plcp.data = 0; - b43_generate_plcp_hdr(&plcp, size + FCS_LEN, rate); + b43_generate_plcp_hdr(&plcp, size + FCS_LEN, rate->hw_value); dur = ieee80211_generic_frame_duration(dev->wl->hw, dev->wl->vif, size, - B43_RATE_TO_BASE100KBPS(rate)); + rate); /* Write PLCP in two parts and timing for packet transfer */ tmp = le32_to_cpu(plcp.data); b43_shm_write16(dev, B43_SHM_SHARED, shm_offset, tmp & 0xFFFF); @@ -1247,7 +1453,8 @@ static void b43_write_probe_resp_plcp(struct b43_wldev *dev, * 3) Stripping TIM */ static const u8 * b43_generate_probe_resp(struct b43_wldev *dev, - u16 *dest_size, u8 rate) + u16 *dest_size, + struct ieee80211_rate *rate) { const u8 *src_data; u8 *dest_data; @@ -1292,7 +1499,7 @@ static const u8 * b43_generate_probe_resp(struct b43_wldev *dev, IEEE80211_STYPE_PROBE_RESP); dur = ieee80211_generic_frame_duration(dev->wl->hw, dev->wl->vif, *dest_size, - B43_RATE_TO_BASE100KBPS(rate)); + rate); hdr->duration_id = dur; return dest_data; @@ -1300,7 +1507,8 @@ static const u8 * b43_generate_probe_resp(struct b43_wldev *dev, static void b43_write_probe_resp_template(struct b43_wldev *dev, u16 ram_offset, - u16 shm_size_offset, u8 rate) + u16 shm_size_offset, + struct ieee80211_rate *rate) { const u8 *probe_resp_data; u16 size; @@ -1313,20 +1521,89 @@ static void b43_write_probe_resp_template(struct b43_wldev *dev, /* Looks like PLCP headers plus packet timings are stored for * all possible basic rates */ - b43_write_probe_resp_plcp(dev, 0x31A, size, B43_CCK_RATE_1MB); - b43_write_probe_resp_plcp(dev, 0x32C, size, B43_CCK_RATE_2MB); - b43_write_probe_resp_plcp(dev, 0x33E, size, B43_CCK_RATE_5MB); - b43_write_probe_resp_plcp(dev, 0x350, size, B43_CCK_RATE_11MB); + b43_write_probe_resp_plcp(dev, 0x31A, size, &b43_b_ratetable[0]); + b43_write_probe_resp_plcp(dev, 0x32C, size, &b43_b_ratetable[1]); + b43_write_probe_resp_plcp(dev, 0x33E, size, &b43_b_ratetable[2]); + b43_write_probe_resp_plcp(dev, 0x350, size, &b43_b_ratetable[3]); size = min((size_t) size, 0x200 - sizeof(struct b43_plcp_hdr6)); b43_write_template_common(dev, probe_resp_data, - size, ram_offset, shm_size_offset, rate); + size, ram_offset, shm_size_offset, + rate->hw_value); kfree(probe_resp_data); } +static void handle_irq_beacon(struct b43_wldev *dev) +{ + struct b43_wl *wl = dev->wl; + u32 cmd, beacon0_valid, beacon1_valid; + + if (!b43_is_mode(wl, IEEE80211_IF_TYPE_AP)) + return; + + /* This is the bottom half of the asynchronous beacon update. */ + + /* Ignore interrupt in the future. */ + dev->irq_savedstate &= ~B43_IRQ_BEACON; + + cmd = b43_read32(dev, B43_MMIO_MACCMD); + beacon0_valid = (cmd & B43_MACCMD_BEACON0_VALID); + beacon1_valid = (cmd & B43_MACCMD_BEACON1_VALID); + + /* Schedule interrupt manually, if busy. */ + if (beacon0_valid && beacon1_valid) { + b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, B43_IRQ_BEACON); + dev->irq_savedstate |= B43_IRQ_BEACON; + return; + } + + if (!beacon0_valid) { + if (!wl->beacon0_uploaded) { + b43_write_beacon_template(dev, 0x68, 0x18); + b43_write_probe_resp_template(dev, 0x268, 0x4A, + &__b43_ratetable[3]); + wl->beacon0_uploaded = 1; + } + cmd = b43_read32(dev, B43_MMIO_MACCMD); + cmd |= B43_MACCMD_BEACON0_VALID; + b43_write32(dev, B43_MMIO_MACCMD, cmd); + } else if (!beacon1_valid) { + if (!wl->beacon1_uploaded) { + b43_write_beacon_template(dev, 0x468, 0x1A); + wl->beacon1_uploaded = 1; + } + cmd = b43_read32(dev, B43_MMIO_MACCMD); + cmd |= B43_MACCMD_BEACON1_VALID; + b43_write32(dev, B43_MMIO_MACCMD, cmd); + } +} + +static void b43_beacon_update_trigger_work(struct work_struct *work) +{ + struct b43_wl *wl = container_of(work, struct b43_wl, + beacon_update_trigger); + struct b43_wldev *dev; + + mutex_lock(&wl->mutex); + dev = wl->current_dev; + if (likely(dev && (b43_status(dev) >= B43_STAT_INITIALIZED))) { + spin_lock_irq(&wl->irq_lock); + /* update beacon right away or defer to irq */ + dev->irq_savedstate = b43_read32(dev, B43_MMIO_GEN_IRQ_MASK); + handle_irq_beacon(dev); + /* The handler might have updated the IRQ mask. */ + b43_write32(dev, B43_MMIO_GEN_IRQ_MASK, + dev->irq_savedstate); + mmiowb(); + spin_unlock_irq(&wl->irq_lock); + } + mutex_unlock(&wl->mutex); +} + /* Asynchronously update the packet templates in template RAM. * Locking: Requires wl->irq_lock to be locked. */ -static void b43_update_templates(struct b43_wl *wl, struct sk_buff *beacon) +static void b43_update_templates(struct b43_wl *wl, struct sk_buff *beacon, + const struct ieee80211_tx_control *txctl) { /* This is the top half of the ansynchronous beacon update. * The bottom half is the beacon IRQ. @@ -1337,8 +1614,10 @@ static void b43_update_templates(struct b43_wl *wl, struct sk_buff *beacon) if (wl->current_beacon) dev_kfree_skb_any(wl->current_beacon); wl->current_beacon = beacon; + memcpy(&wl->beacon_txctl, txctl, sizeof(wl->beacon_txctl)); wl->beacon0_uploaded = 0; wl->beacon1_uploaded = 0; + queue_work(wl->hw->workqueue, &wl->beacon_update_trigger); } static void b43_set_ssid(struct b43_wldev *dev, const u8 * ssid, u8 ssid_len) @@ -1364,44 +1643,14 @@ static void b43_set_beacon_int(struct b43_wldev *dev, u16 beacon_int) { b43_time_lock(dev); if (dev->dev->id.revision >= 3) { - b43_write32(dev, 0x188, (beacon_int << 16)); + b43_write32(dev, B43_MMIO_TSF_CFP_REP, (beacon_int << 16)); + b43_write32(dev, B43_MMIO_TSF_CFP_START, (beacon_int << 10)); } else { b43_write16(dev, 0x606, (beacon_int >> 6)); b43_write16(dev, 0x610, beacon_int); } b43_time_unlock(dev); -} - -static void handle_irq_beacon(struct b43_wldev *dev) -{ - struct b43_wl *wl = dev->wl; - u32 cmd; - - if (!b43_is_mode(wl, IEEE80211_IF_TYPE_AP)) - return; - - /* This is the bottom half of the asynchronous beacon update. */ - - cmd = b43_read32(dev, B43_MMIO_MACCMD); - if (!(cmd & B43_MACCMD_BEACON0_VALID)) { - if (!wl->beacon0_uploaded) { - b43_write_beacon_template(dev, 0x68, 0x18, - B43_CCK_RATE_1MB); - b43_write_probe_resp_template(dev, 0x268, 0x4A, - B43_CCK_RATE_11MB); - wl->beacon0_uploaded = 1; - } - cmd |= B43_MACCMD_BEACON0_VALID; - } - if (!(cmd & B43_MACCMD_BEACON1_VALID)) { - if (!wl->beacon1_uploaded) { - b43_write_beacon_template(dev, 0x468, 0x1A, - B43_CCK_RATE_1MB); - wl->beacon1_uploaded = 1; - } - cmd |= B43_MACCMD_BEACON1_VALID; - } - b43_write32(dev, B43_MMIO_MACCMD, cmd); + b43dbg(dev->wl, "Set beacon interval to %u\n", beacon_int); } static void handle_irq_ucode_debug(struct b43_wldev *dev) @@ -1483,12 +1732,15 @@ static void b43_interrupt_tasklet(struct b43_wldev *dev) handle_irq_noise(dev); /* Check the DMA reason registers for received data. */ - if (dma_reason[0] & B43_DMAIRQ_RX_DONE) - b43_dma_rx(dev->dma.rx_ring0); - if (dma_reason[3] & B43_DMAIRQ_RX_DONE) - b43_dma_rx(dev->dma.rx_ring3); + if (dma_reason[0] & B43_DMAIRQ_RX_DONE) { + if (b43_using_pio_transfers(dev)) + b43_pio_rx(dev->pio.rx_queue); + else + b43_dma_rx(dev->dma.rx_ring); + } B43_WARN_ON(dma_reason[1] & B43_DMAIRQ_RX_DONE); B43_WARN_ON(dma_reason[2] & B43_DMAIRQ_RX_DONE); + B43_WARN_ON(dma_reason[3] & B43_DMAIRQ_RX_DONE); B43_WARN_ON(dma_reason[4] & B43_DMAIRQ_RX_DONE); B43_WARN_ON(dma_reason[5] & B43_DMAIRQ_RX_DONE); @@ -2045,7 +2297,7 @@ static void b43_gpio_cleanup(struct b43_wldev *dev) } /* http://bcm-specs.sipsolutions.net/EnableMac */ -void b43_mac_enable(struct b43_wldev *dev) +static void b43_mac_enable(struct b43_wldev *dev) { dev->mac_suspended--; B43_WARN_ON(dev->mac_suspended < 0); @@ -2068,7 +2320,7 @@ void b43_mac_enable(struct b43_wldev *dev) } /* http://bcm-specs.sipsolutions.net/SuspendMAC */ -void b43_mac_suspend(struct b43_wldev *dev) +static void b43_mac_suspend(struct b43_wldev *dev) { int i; u32 tmp; @@ -2091,6 +2343,13 @@ void b43_mac_suspend(struct b43_wldev *dev) & ~B43_MACCTL_ENABLED); /* force pci to flush the write */ b43_read32(dev, B43_MMIO_MACCTL); + for (i = 35; i; i--) { + tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); + if (tmp & B43_IRQ_MAC_SUSPENDED) + goto out; + udelay(10); + } + /* Hm, it seems this will take some time. Use msleep(). */ for (i = 40; i; i--) { tmp = b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); if (tmp & B43_IRQ_MAC_SUSPENDED) @@ -2196,38 +2455,28 @@ static void b43_rate_memory_init(struct b43_wldev *dev) } } +/* Set the default values for the PHY TX Control Words. */ +static void b43_set_phytxctl_defaults(struct b43_wldev *dev) +{ + u16 ctl = 0; + + ctl |= B43_TXH_PHY_ENC_CCK; + ctl |= B43_TXH_PHY_ANT01AUTO; + ctl |= B43_TXH_PHY_TXPWR; + + b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, ctl); + b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL, ctl); + b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRPHYCTL, ctl); +} + /* Set the TX-Antenna for management frames sent by firmware. */ static void b43_mgmtframe_txantenna(struct b43_wldev *dev, int antenna) { - u16 ant = 0; + u16 ant; u16 tmp; - switch (antenna) { - case B43_ANTENNA0: - ant |= B43_TXH_PHY_ANT0; - break; - case B43_ANTENNA1: - ant |= B43_TXH_PHY_ANT1; - break; - case B43_ANTENNA2: - ant |= B43_TXH_PHY_ANT2; - break; - case B43_ANTENNA3: - ant |= B43_TXH_PHY_ANT3; - break; - case B43_ANTENNA_AUTO: - ant |= B43_TXH_PHY_ANT01AUTO; - break; - default: - B43_WARN_ON(1); - } - - /* FIXME We also need to set the other flags of the PHY control field somewhere. */ + ant = b43_antenna_to_phyctl(antenna); - /* For Beacons */ - tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL); - tmp = (tmp & ~B43_TXH_PHY_ANT) | ant; - b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_BEACPHYCTL, tmp); /* For ACK/CTS */ tmp = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_ACKCTSPHYCTL); tmp = (tmp & ~B43_TXH_PHY_ANT) | ant; @@ -2589,22 +2838,199 @@ static int b43_op_tx(struct ieee80211_hw *hw, struct b43_wldev *dev = wl->current_dev; int err = -ENODEV; + if (unlikely(skb->len < 2 + 2 + 6)) { + /* Too short, this can't be a valid frame. */ + return -EINVAL; + } + B43_WARN_ON(skb_shinfo(skb)->nr_frags); + if (unlikely(!dev)) goto out; if (unlikely(b43_status(dev) < B43_STAT_STARTED)) goto out; - /* DMA-TX is done without a global lock. */ - err = b43_dma_tx(dev, skb, ctl); + /* TX is done without a global lock. */ + if (b43_using_pio_transfers(dev)) + err = b43_pio_tx(dev, skb, ctl); + else + err = b43_dma_tx(dev, skb, ctl); out: if (unlikely(err)) return NETDEV_TX_BUSY; return NETDEV_TX_OK; } +/* Locking: wl->irq_lock */ +static void b43_qos_params_upload(struct b43_wldev *dev, + const struct ieee80211_tx_queue_params *p, + u16 shm_offset) +{ + u16 params[B43_NR_QOSPARAMS]; + int cw_min, cw_max, aifs, bslots, tmp; + unsigned int i; + + const u16 aCWmin = 0x0001; + const u16 aCWmax = 0x03FF; + + /* Calculate the default values for the parameters, if needed. */ + switch (shm_offset) { + case B43_QOS_VOICE: + aifs = (p->aifs == -1) ? 2 : p->aifs; + cw_min = (p->cw_min == 0) ? ((aCWmin + 1) / 4 - 1) : p->cw_min; + cw_max = (p->cw_max == 0) ? ((aCWmin + 1) / 2 - 1) : p->cw_max; + break; + case B43_QOS_VIDEO: + aifs = (p->aifs == -1) ? 2 : p->aifs; + cw_min = (p->cw_min == 0) ? ((aCWmin + 1) / 2 - 1) : p->cw_min; + cw_max = (p->cw_max == 0) ? aCWmin : p->cw_max; + break; + case B43_QOS_BESTEFFORT: + aifs = (p->aifs == -1) ? 3 : p->aifs; + cw_min = (p->cw_min == 0) ? aCWmin : p->cw_min; + cw_max = (p->cw_max == 0) ? aCWmax : p->cw_max; + break; + case B43_QOS_BACKGROUND: + aifs = (p->aifs == -1) ? 7 : p->aifs; + cw_min = (p->cw_min == 0) ? aCWmin : p->cw_min; + cw_max = (p->cw_max == 0) ? aCWmax : p->cw_max; + break; + default: + B43_WARN_ON(1); + return; + } + if (cw_min <= 0) + cw_min = aCWmin; + if (cw_max <= 0) + cw_max = aCWmin; + bslots = b43_read16(dev, B43_MMIO_RNG) % cw_min; + + memset(¶ms, 0, sizeof(params)); + + params[B43_QOSPARAM_TXOP] = p->txop * 32; + params[B43_QOSPARAM_CWMIN] = cw_min; + params[B43_QOSPARAM_CWMAX] = cw_max; + params[B43_QOSPARAM_CWCUR] = cw_min; + params[B43_QOSPARAM_AIFS] = aifs; + params[B43_QOSPARAM_BSLOTS] = bslots; + params[B43_QOSPARAM_REGGAP] = bslots + aifs; + + for (i = 0; i < ARRAY_SIZE(params); i++) { + if (i == B43_QOSPARAM_STATUS) { + tmp = b43_shm_read16(dev, B43_SHM_SHARED, + shm_offset + (i * 2)); + /* Mark the parameters as updated. */ + tmp |= 0x100; + b43_shm_write16(dev, B43_SHM_SHARED, + shm_offset + (i * 2), + tmp); + } else { + b43_shm_write16(dev, B43_SHM_SHARED, + shm_offset + (i * 2), + params[i]); + } + } +} + +/* Update the QOS parameters in hardware. */ +static void b43_qos_update(struct b43_wldev *dev) +{ + struct b43_wl *wl = dev->wl; + struct b43_qos_params *params; + unsigned long flags; + unsigned int i; + + /* Mapping of mac80211 queues to b43 SHM offsets. */ + static const u16 qos_shm_offsets[] = { + [0] = B43_QOS_VOICE, + [1] = B43_QOS_VIDEO, + [2] = B43_QOS_BESTEFFORT, + [3] = B43_QOS_BACKGROUND, + }; + BUILD_BUG_ON(ARRAY_SIZE(qos_shm_offsets) != ARRAY_SIZE(wl->qos_params)); + + b43_mac_suspend(dev); + spin_lock_irqsave(&wl->irq_lock, flags); + + for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) { + params = &(wl->qos_params[i]); + if (params->need_hw_update) { + b43_qos_params_upload(dev, &(params->p), + qos_shm_offsets[i]); + params->need_hw_update = 0; + } + } + + spin_unlock_irqrestore(&wl->irq_lock, flags); + b43_mac_enable(dev); +} + +static void b43_qos_clear(struct b43_wl *wl) +{ + struct b43_qos_params *params; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) { + params = &(wl->qos_params[i]); + + memset(&(params->p), 0, sizeof(params->p)); + params->p.aifs = -1; + params->need_hw_update = 1; + } +} + +/* Initialize the core's QOS capabilities */ +static void b43_qos_init(struct b43_wldev *dev) +{ + struct b43_wl *wl = dev->wl; + unsigned int i; + + /* Upload the current QOS parameters. */ + for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) + wl->qos_params[i].need_hw_update = 1; + b43_qos_update(dev); + + /* Enable QOS support. */ + b43_hf_write(dev, b43_hf_read(dev) | B43_HF_EDCF); + b43_write16(dev, B43_MMIO_IFSCTL, + b43_read16(dev, B43_MMIO_IFSCTL) + | B43_MMIO_IFSCTL_USE_EDCF); +} + +static void b43_qos_update_work(struct work_struct *work) +{ + struct b43_wl *wl = container_of(work, struct b43_wl, qos_update_work); + struct b43_wldev *dev; + + mutex_lock(&wl->mutex); + dev = wl->current_dev; + if (likely(dev && (b43_status(dev) >= B43_STAT_INITIALIZED))) + b43_qos_update(dev); + mutex_unlock(&wl->mutex); +} + static int b43_op_conf_tx(struct ieee80211_hw *hw, - int queue, + int _queue, const struct ieee80211_tx_queue_params *params) { + struct b43_wl *wl = hw_to_b43_wl(hw); + unsigned long flags; + unsigned int queue = (unsigned int)_queue; + struct b43_qos_params *p; + + if (queue >= ARRAY_SIZE(wl->qos_params)) { + /* Queue not available or don't support setting + * params on this queue. Return success to not + * confuse mac80211. */ + return 0; + } + + spin_lock_irqsave(&wl->irq_lock, flags); + p = &(wl->qos_params[queue]); + memcpy(&(p->p), params, sizeof(p->p)); + p->need_hw_update = 1; + spin_unlock_irqrestore(&wl->irq_lock, flags); + + queue_work(hw->workqueue, &wl->qos_update_work); + return 0; } @@ -2620,7 +3046,10 @@ static int b43_op_get_tx_stats(struct ieee80211_hw *hw, goto out; spin_lock_irqsave(&wl->irq_lock, flags); if (likely(b43_status(dev) >= B43_STAT_STARTED)) { - b43_dma_get_tx_stats(dev, stats); + if (b43_using_pio_transfers(dev)) + b43_pio_get_tx_stats(dev, stats); + else + b43_dma_get_tx_stats(dev, stats); err = 0; } spin_unlock_irqrestore(&wl->irq_lock, flags); @@ -2641,45 +3070,6 @@ static int b43_op_get_stats(struct ieee80211_hw *hw, return 0; } -static const char *phymode_to_string(unsigned int phymode) -{ - switch (phymode) { - case B43_PHYMODE_A: - return "A"; - case B43_PHYMODE_B: - return "B"; - case B43_PHYMODE_G: - return "G"; - default: - B43_WARN_ON(1); - } - return ""; -} - -static int find_wldev_for_phymode(struct b43_wl *wl, - unsigned int phymode, - struct b43_wldev **dev, bool * gmode) -{ - struct b43_wldev *d; - - list_for_each_entry(d, &wl->devlist, list) { - if (d->phy.possible_phymodes & phymode) { - /* Ok, this device supports the PHY-mode. - * Now figure out how the gmode bit has to be - * set to support it. */ - if (phymode == B43_PHYMODE_A) - *gmode = 0; - else - *gmode = 1; - *dev = d; - - return 0; - } - } - - return -ESRCH; -} - static void b43_put_phy_into_reset(struct b43_wldev *dev) { struct ssb_device *sdev = dev->dev; @@ -2699,28 +3089,64 @@ static void b43_put_phy_into_reset(struct b43_wldev *dev) msleep(1); } +static const char * band_to_string(enum ieee80211_band band) +{ + switch (band) { + case IEEE80211_BAND_5GHZ: + return "5"; + case IEEE80211_BAND_2GHZ: + return "2.4"; + default: + break; + } + B43_WARN_ON(1); + return ""; +} + /* Expects wl->mutex locked */ -static int b43_switch_phymode(struct b43_wl *wl, unsigned int new_mode) +static int b43_switch_band(struct b43_wl *wl, struct ieee80211_channel *chan) { - struct b43_wldev *up_dev; + struct b43_wldev *up_dev = NULL; struct b43_wldev *down_dev; + struct b43_wldev *d; int err; - bool gmode = 0; + bool gmode; int prev_status; - err = find_wldev_for_phymode(wl, new_mode, &up_dev, &gmode); - if (err) { - b43err(wl, "Could not find a device for %s-PHY mode\n", - phymode_to_string(new_mode)); - return err; + /* Find a device and PHY which supports the band. */ + list_for_each_entry(d, &wl->devlist, list) { + switch (chan->band) { + case IEEE80211_BAND_5GHZ: + if (d->phy.supports_5ghz) { + up_dev = d; + gmode = 0; + } + break; + case IEEE80211_BAND_2GHZ: + if (d->phy.supports_2ghz) { + up_dev = d; + gmode = 1; + } + break; + default: + B43_WARN_ON(1); + return -EINVAL; + } + if (up_dev) + break; + } + if (!up_dev) { + b43err(wl, "Could not find a device for %s-GHz band operation\n", + band_to_string(chan->band)); + return -ENODEV; } if ((up_dev == wl->current_dev) && (!!wl->current_dev->phy.gmode == !!gmode)) { /* This device is already running. */ return 0; } - b43dbg(wl, "Reconfiguring PHYmode to %s-PHY\n", - phymode_to_string(new_mode)); + b43dbg(wl, "Switching to %s-GHz band\n", + band_to_string(chan->band)); down_dev = wl->current_dev; prev_status = b43_status(down_dev); @@ -2742,8 +3168,8 @@ static int b43_switch_phymode(struct b43_wl *wl, unsigned int new_mode) err = b43_wireless_core_init(up_dev); if (err) { b43err(wl, "Fatal: Could not initialize device for " - "newly selected %s-PHY mode\n", - phymode_to_string(new_mode)); + "selected %s-GHz band\n", + band_to_string(chan->band)); goto init_failure; } } @@ -2751,8 +3177,8 @@ static int b43_switch_phymode(struct b43_wl *wl, unsigned int new_mode) err = b43_wireless_core_start(up_dev); if (err) { b43err(wl, "Fatal: Coult not start device for " - "newly selected %s-PHY mode\n", - phymode_to_string(new_mode)); + "selected %s-GHz band\n", + band_to_string(chan->band)); b43_wireless_core_exit(up_dev); goto init_failure; } @@ -2762,86 +3188,26 @@ static int b43_switch_phymode(struct b43_wl *wl, unsigned int new_mode) wl->current_dev = up_dev; return 0; - init_failure: +init_failure: /* Whoops, failed to init the new core. No core is operating now. */ wl->current_dev = NULL; return err; } -/* Check if the use of the antenna that ieee80211 told us to - * use is possible. This will fall back to DEFAULT. - * "antenna_nr" is the antenna identifier we got from ieee80211. */ -u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev, - u8 antenna_nr) -{ - u8 antenna_mask; - - if (antenna_nr == 0) { - /* Zero means "use default antenna". That's always OK. */ - return 0; - } - - /* Get the mask of available antennas. */ - if (dev->phy.gmode) - antenna_mask = dev->dev->bus->sprom.ant_available_bg; - else - antenna_mask = dev->dev->bus->sprom.ant_available_a; - - if (!(antenna_mask & (1 << (antenna_nr - 1)))) { - /* This antenna is not available. Fall back to default. */ - return 0; - } - - return antenna_nr; -} - -static int b43_antenna_from_ieee80211(struct b43_wldev *dev, u8 antenna) -{ - antenna = b43_ieee80211_antenna_sanitize(dev, antenna); - switch (antenna) { - case 0: /* default/diversity */ - return B43_ANTENNA_DEFAULT; - case 1: /* Antenna 0 */ - return B43_ANTENNA0; - case 2: /* Antenna 1 */ - return B43_ANTENNA1; - case 3: /* Antenna 2 */ - return B43_ANTENNA2; - case 4: /* Antenna 3 */ - return B43_ANTENNA3; - default: - return B43_ANTENNA_DEFAULT; - } -} - static int b43_op_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf) { struct b43_wl *wl = hw_to_b43_wl(hw); struct b43_wldev *dev; struct b43_phy *phy; unsigned long flags; - unsigned int new_phymode = 0xFFFF; int antenna; int err = 0; u32 savedirqs; mutex_lock(&wl->mutex); - /* Switch the PHY mode (if necessary). */ - switch (conf->phymode) { - case MODE_IEEE80211A: - new_phymode = B43_PHYMODE_A; - break; - case MODE_IEEE80211B: - new_phymode = B43_PHYMODE_B; - break; - case MODE_IEEE80211G: - new_phymode = B43_PHYMODE_G; - break; - default: - B43_WARN_ON(1); - } - err = b43_switch_phymode(wl, new_phymode); + /* Switch the band (if necessary). This might change the active core. */ + err = b43_switch_band(wl, conf->channel); if (err) goto out_unlock_mutex; dev = wl->current_dev; @@ -2861,8 +3227,8 @@ static int b43_op_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf) /* Switch to the requested channel. * The firmware takes care of races with the TX handler. */ - if (conf->channel_val != phy->channel) - b43_radio_selectchannel(dev, conf->channel_val, 0); + if (conf->channel->hw_value != phy->channel) + b43_radio_selectchannel(dev, conf->channel->hw_value, 0); /* Enable/Disable ShortSlot timing. */ if ((!!(conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME)) != @@ -3075,8 +3441,10 @@ static int b43_op_config_interface(struct ieee80211_hw *hw, if (b43_is_mode(wl, IEEE80211_IF_TYPE_AP)) { B43_WARN_ON(conf->type != IEEE80211_IF_TYPE_AP); b43_set_ssid(dev, conf->ssid, conf->ssid_len); - if (conf->beacon) - b43_update_templates(wl, conf->beacon); + if (conf->beacon) { + b43_update_templates(wl, conf->beacon, + conf->beacon_control); + } } b43_write_mac_bssid_templates(dev); } @@ -3106,6 +3474,7 @@ static void b43_wireless_core_stop(struct b43_wldev *dev) b43_set_status(dev, B43_STAT_INITIALIZED); + b43_pio_stop(dev); mutex_unlock(&wl->mutex); /* Must unlock as it would otherwise deadlock. No races here. * Cancel the possibly running self-rearming periodic work. */ @@ -3400,6 +3769,41 @@ static void b43_set_retry_limits(struct b43_wldev *dev, long_retry); } +static void b43_set_synth_pu_delay(struct b43_wldev *dev, bool idle) +{ + u16 pu_delay; + + /* The time value is in microseconds. */ + if (dev->phy.type == B43_PHYTYPE_A) + pu_delay = 3700; + else + pu_delay = 1050; + if (b43_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS) || idle) + pu_delay = 500; + if ((dev->phy.radio_ver == 0x2050) && (dev->phy.radio_rev == 8)) + pu_delay = max(pu_delay, (u16)2400); + + b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SPUWKUP, pu_delay); +} + +/* Set the TSF CFP pre-TargetBeaconTransmissionTime. */ +static void b43_set_pretbtt(struct b43_wldev *dev) +{ + u16 pretbtt; + + /* The time value is in microseconds. */ + if (b43_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS)) { + pretbtt = 2; + } else { + if (dev->phy.type == B43_PHYTYPE_A) + pretbtt = 120; + else + pretbtt = 250; + } + b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRETBTT, pretbtt); + b43_write16(dev, B43_MMIO_TSF_CFP_PRETBTT, pretbtt); +} + /* Shutdown a wireless core */ /* Locking: wl->mutex */ static void b43_wireless_core_exit(struct b43_wldev *dev) @@ -3423,6 +3827,7 @@ static void b43_wireless_core_exit(struct b43_wldev *dev) b43_rng_exit(dev->wl, false); } b43_dma_free(dev); + b43_pio_free(dev); b43_chip_exit(dev); b43_radio_turn_off(dev, 1); b43_switch_analog(dev, 0); @@ -3510,6 +3915,7 @@ static int b43_wireless_core_init(struct b43_wldev *dev) b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_PRMAXTIME, 1); b43_rate_memory_init(dev); + b43_set_phytxctl_defaults(dev); /* Minimum Contention Window */ if (phy->type == B43_PHYTYPE_B) { @@ -3520,18 +3926,17 @@ static int b43_wireless_core_init(struct b43_wldev *dev) /* Maximum Contention Window */ b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_MAXCONT, 0x3FF); - err = b43_dma_init(dev); + if ((dev->dev->bus->bustype == SSB_BUSTYPE_PCMCIA) || B43_FORCE_PIO) { + dev->__using_pio_transfers = 1; + err = b43_pio_init(dev); + } else { + dev->__using_pio_transfers = 0; + err = b43_dma_init(dev); + } if (err) goto err_chip_exit; b43_qos_init(dev); - -//FIXME -#if 1 - b43_write16(dev, 0x0612, 0x0050); - b43_shm_write16(dev, B43_SHM_SHARED, 0x0416, 0x0050); - b43_shm_write16(dev, B43_SHM_SHARED, 0x0414, 0x01F4); -#endif - + b43_set_synth_pu_delay(dev, 1); b43_bluetooth_coext_enable(dev); ssb_bus_powerup(bus, 1); /* Enable dynamic PCTL */ @@ -3591,6 +3996,8 @@ static int b43_op_add_interface(struct ieee80211_hw *hw, spin_lock_irqsave(&wl->irq_lock, flags); b43_adjust_opmode(dev); + b43_set_pretbtt(dev); + b43_set_synth_pu_delay(dev, 0); b43_upload_card_macaddress(dev); spin_unlock_irqrestore(&wl->irq_lock, flags); @@ -3642,6 +4049,7 @@ static int b43_op_start(struct ieee80211_hw *hw) memset(wl->mac_addr, 0, ETH_ALEN); wl->filter_flags = 0; wl->radiotap_enabled = 0; + b43_qos_clear(wl); /* First register RFkill. * LEDs that are registered later depend on it. */ @@ -3683,6 +4091,8 @@ static void b43_op_stop(struct ieee80211_hw *hw) struct b43_wldev *dev = wl->current_dev; b43_rfkill_exit(dev); + cancel_work_sync(&(wl->qos_update_work)); + cancel_work_sync(&(wl->beacon_update_trigger)); mutex_lock(&wl->mutex); if (b43_status(dev) >= B43_STAT_STARTED) @@ -3716,16 +4126,17 @@ static int b43_op_beacon_set_tim(struct ieee80211_hw *hw, int aid, int set) struct b43_wl *wl = hw_to_b43_wl(hw); struct sk_buff *beacon; unsigned long flags; + struct ieee80211_tx_control txctl; /* We could modify the existing beacon and set the aid bit in * the TIM field, but that would probably require resizing and * moving of data within the beacon template. * Simply request a new beacon and let mac80211 do the hard work. */ - beacon = ieee80211_beacon_get(hw, wl->vif, NULL); + beacon = ieee80211_beacon_get(hw, wl->vif, &txctl); if (unlikely(!beacon)) return -ENOMEM; spin_lock_irqsave(&wl->irq_lock, flags); - b43_update_templates(wl, beacon); + b43_update_templates(wl, beacon, &txctl); spin_unlock_irqrestore(&wl->irq_lock, flags); return 0; @@ -3739,12 +4150,22 @@ static int b43_op_ibss_beacon_update(struct ieee80211_hw *hw, unsigned long flags; spin_lock_irqsave(&wl->irq_lock, flags); - b43_update_templates(wl, beacon); + b43_update_templates(wl, beacon, ctl); spin_unlock_irqrestore(&wl->irq_lock, flags); return 0; } +static void b43_op_sta_notify(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum sta_notify_cmd notify_cmd, + const u8 *addr) +{ + struct b43_wl *wl = hw_to_b43_wl(hw); + + B43_WARN_ON(!vif || wl->vif != vif); +} + static const struct ieee80211_ops b43_hw_ops = { .tx = b43_op_tx, .conf_tx = b43_op_conf_tx, @@ -3761,6 +4182,7 @@ static const struct ieee80211_ops b43_hw_ops = { .set_retry_limit = b43_op_set_retry_limit, .set_tim = b43_op_beacon_set_tim, .beacon_update = b43_op_ibss_beacon_update, + .sta_notify = b43_op_sta_notify, }; /* Hard-reset the chip. Do not call this directly. @@ -3804,31 +4226,23 @@ static void b43_chip_reset(struct work_struct *work) b43info(wl, "Controller restarted\n"); } -static int b43_setup_modes(struct b43_wldev *dev, +static int b43_setup_bands(struct b43_wldev *dev, bool have_2ghz_phy, bool have_5ghz_phy) { struct ieee80211_hw *hw = dev->wl->hw; - struct ieee80211_hw_mode *mode; - struct b43_phy *phy = &dev->phy; - int err; - /* XXX: This function will go away soon, when mac80211 - * band stuff is rewritten. So this is just a hack. - * For now we always claim GPHY mode, as there is no - * support for NPHY and APHY in the device, yet. - * This assumption is OK, as any B, N or A PHY will already - * have died a horrible sanity check death earlier. */ - - mode = &phy->hwmodes[0]; - mode->mode = MODE_IEEE80211G; - mode->num_channels = b43_2ghz_chantable_size; - mode->channels = b43_2ghz_chantable; - mode->num_rates = b43_g_ratetable_size; - mode->rates = b43_g_ratetable; - err = ieee80211_register_hwmode(hw, mode); - if (err) - return err; - phy->possible_phymodes |= B43_PHYMODE_G; + if (have_2ghz_phy) + hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &b43_band_2GHz; + if (dev->phy.type == B43_PHYTYPE_N) { + if (have_5ghz_phy) + hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &b43_band_5GHz_nphy; + } else { + if (have_5ghz_phy) + hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &b43_band_5GHz_aphy; + } + + dev->phy.supports_2ghz = have_2ghz_phy; + dev->phy.supports_5ghz = have_5ghz_phy; return 0; } @@ -3910,7 +4324,7 @@ static int b43_wireless_core_attach(struct b43_wldev *dev) err = b43_validate_chipaccess(dev); if (err) goto err_powerdown; - err = b43_setup_modes(dev, have_2ghz_phy, have_5ghz_phy); + err = b43_setup_bands(dev, have_2ghz_phy, have_5ghz_phy); if (err) goto err_powerdown; @@ -4040,7 +4454,7 @@ static int b43_wireless_init(struct ssb_device *dev) hw->max_signal = 100; hw->max_rssi = -110; hw->max_noise = -110; - hw->queues = 1; /* FIXME: hardware has more queues */ + hw->queues = b43_modparam_qos ? 4 : 1; SET_IEEE80211_DEV(hw, dev->dev); if (is_valid_ether_addr(sprom->et1mac)) SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac); @@ -4056,6 +4470,8 @@ static int b43_wireless_init(struct ssb_device *dev) spin_lock_init(&wl->shm_lock); mutex_init(&wl->mutex); INIT_LIST_HEAD(&wl->devlist); + INIT_WORK(&wl->qos_update_work, b43_qos_update_work); + INIT_WORK(&wl->beacon_update_trigger, b43_beacon_update_trigger_work); ssb_set_devtypedata(dev, wl); b43info(wl, "Broadcom %04X WLAN found\n", dev->bus->chip_id); |