diff options
Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_chip.c')
-rw-r--r-- | drivers/net/wireless/zd1211rw/zd_chip.c | 121 |
1 files changed, 56 insertions, 65 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c index f831b68f1b9c..ef9527c978b7 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.c +++ b/drivers/net/wireless/zd1211rw/zd_chip.c @@ -30,12 +30,12 @@ #include "zd_rf.h" void zd_chip_init(struct zd_chip *chip, - struct net_device *netdev, + struct ieee80211_hw *hw, struct usb_interface *intf) { memset(chip, 0, sizeof(*chip)); mutex_init(&chip->mutex); - zd_usb_init(&chip->usb, netdev, intf); + zd_usb_init(&chip->usb, hw, intf); zd_rf_init(&chip->rf); } @@ -50,7 +50,7 @@ void zd_chip_clear(struct zd_chip *chip) static int scnprint_mac_oui(struct zd_chip *chip, char *buffer, size_t size) { - u8 *addr = zd_usb_to_netdev(&chip->usb)->dev_addr; + u8 *addr = zd_mac_get_perm_addr(zd_chip_to_mac(chip)); return scnprintf(buffer, size, "%02x-%02x-%02x", addr[0], addr[1], addr[2]); } @@ -378,15 +378,18 @@ int zd_write_mac_addr(struct zd_chip *chip, const u8 *mac_addr) }; DECLARE_MAC_BUF(mac); - reqs[0].value = (mac_addr[3] << 24) - | (mac_addr[2] << 16) - | (mac_addr[1] << 8) - | mac_addr[0]; - reqs[1].value = (mac_addr[5] << 8) - | mac_addr[4]; - - dev_dbg_f(zd_chip_dev(chip), - "mac addr %s\n", print_mac(mac, mac_addr)); + if (mac_addr) { + reqs[0].value = (mac_addr[3] << 24) + | (mac_addr[2] << 16) + | (mac_addr[1] << 8) + | mac_addr[0]; + reqs[1].value = (mac_addr[5] << 8) + | mac_addr[4]; + dev_dbg_f(zd_chip_dev(chip), + "mac addr %s\n", print_mac(mac, mac_addr)); + } else { + dev_dbg_f(zd_chip_dev(chip), "set NULL mac\n"); + } mutex_lock(&chip->mutex); r = zd_iowrite32a_locked(chip, reqs, ARRAY_SIZE(reqs)); @@ -980,7 +983,7 @@ static int print_fw_version(struct zd_chip *chip) return 0; } -static int set_mandatory_rates(struct zd_chip *chip, enum ieee80211_std std) +static int set_mandatory_rates(struct zd_chip *chip, int mode) { u32 rates; ZD_ASSERT(mutex_is_locked(&chip->mutex)); @@ -988,11 +991,11 @@ static int set_mandatory_rates(struct zd_chip *chip, enum ieee80211_std std) * that the device is supporting. Until further notice we should try * to support 802.11g also for full speed USB. */ - switch (std) { - case IEEE80211B: + switch (mode) { + case MODE_IEEE80211B: rates = CR_RATE_1M|CR_RATE_2M|CR_RATE_5_5M|CR_RATE_11M; break; - case IEEE80211G: + case MODE_IEEE80211G: rates = CR_RATE_1M|CR_RATE_2M|CR_RATE_5_5M|CR_RATE_11M| CR_RATE_6M|CR_RATE_12M|CR_RATE_24M; break; @@ -1003,24 +1006,17 @@ static int set_mandatory_rates(struct zd_chip *chip, enum ieee80211_std std) } int zd_chip_set_rts_cts_rate_locked(struct zd_chip *chip, - u8 rts_rate, int preamble) + int preamble) { - int rts_mod = ZD_RX_CCK; u32 value = 0; - /* Modulation bit */ - if (ZD_MODULATION_TYPE(rts_rate) == ZD_OFDM) - rts_mod = ZD_RX_OFDM; - - dev_dbg_f(zd_chip_dev(chip), "rts_rate=%x preamble=%x\n", - rts_rate, preamble); - - value |= ZD_PURE_RATE(rts_rate) << RTSCTS_SH_RTS_RATE; - value |= rts_mod << RTSCTS_SH_RTS_MOD_TYPE; + dev_dbg_f(zd_chip_dev(chip), "preamble=%x\n", preamble); value |= preamble << RTSCTS_SH_RTS_PMB_TYPE; value |= preamble << RTSCTS_SH_CTS_PMB_TYPE; - /* We always send 11M self-CTS messages, like the vendor driver. */ + /* We always send 11M RTS/self-CTS messages, like the vendor driver. */ + value |= ZD_PURE_RATE(ZD_CCK_RATE_11M) << RTSCTS_SH_RTS_RATE; + value |= ZD_RX_CCK << RTSCTS_SH_RTS_MOD_TYPE; value |= ZD_PURE_RATE(ZD_CCK_RATE_11M) << RTSCTS_SH_CTS_RATE; value |= ZD_RX_CCK << RTSCTS_SH_CTS_MOD_TYPE; @@ -1109,7 +1105,7 @@ int zd_chip_init_hw(struct zd_chip *chip) * It might be discussed, whether we should suppport pure b mode for * full speed USB. */ - r = set_mandatory_rates(chip, IEEE80211G); + r = set_mandatory_rates(chip, MODE_IEEE80211G); if (r) goto out; /* Disabling interrupts is certainly a smart thing here. @@ -1320,12 +1316,17 @@ out: return r; } -int zd_chip_set_basic_rates_locked(struct zd_chip *chip, u16 cr_rates) +int zd_chip_set_basic_rates(struct zd_chip *chip, u16 cr_rates) { - ZD_ASSERT((cr_rates & ~(CR_RATES_80211B | CR_RATES_80211G)) == 0); - dev_dbg_f(zd_chip_dev(chip), "%x\n", cr_rates); + int r; + + if (cr_rates & ~(CR_RATES_80211B|CR_RATES_80211G)) + return -EINVAL; - return zd_iowrite32_locked(chip, cr_rates, CR_BASIC_RATE_TBL); + mutex_lock(&chip->mutex); + r = zd_iowrite32_locked(chip, cr_rates, CR_BASIC_RATE_TBL); + mutex_unlock(&chip->mutex); + return r; } static int ofdm_qual_db(u8 status_quality, u8 zd_rate, unsigned int size) @@ -1468,56 +1469,44 @@ u8 zd_rx_qual_percent(const void *rx_frame, unsigned int size, { return (status->frame_status&ZD_RX_OFDM) ? ofdm_qual_percent(status->signal_quality_ofdm, - zd_rate_from_ofdm_plcp_header(rx_frame), + zd_rate_from_ofdm_plcp_header(rx_frame), size) : cck_qual_percent(status->signal_quality_cck); } -u8 zd_rx_strength_percent(u8 rssi) -{ - int r = (rssi*100) / 41; - if (r > 100) - r = 100; - return (u8) r; -} - -u16 zd_rx_rate(const void *rx_frame, const struct rx_status *status) +/** + * zd_rx_rate - report zd-rate + * @rx_frame - received frame + * @rx_status - rx_status as given by the device + * + * This function converts the rate as encoded in the received packet to the + * zd-rate, we are using on other places in the driver. + */ +u8 zd_rx_rate(const void *rx_frame, const struct rx_status *status) { - static const u16 ofdm_rates[] = { - [ZD_OFDM_PLCP_RATE_6M] = 60, - [ZD_OFDM_PLCP_RATE_9M] = 90, - [ZD_OFDM_PLCP_RATE_12M] = 120, - [ZD_OFDM_PLCP_RATE_18M] = 180, - [ZD_OFDM_PLCP_RATE_24M] = 240, - [ZD_OFDM_PLCP_RATE_36M] = 360, - [ZD_OFDM_PLCP_RATE_48M] = 480, - [ZD_OFDM_PLCP_RATE_54M] = 540, - }; - u16 rate; + u8 zd_rate; if (status->frame_status & ZD_RX_OFDM) { - /* Deals with PLCP OFDM rate (not zd_rates) */ - u8 ofdm_rate = zd_ofdm_plcp_header_rate(rx_frame); - rate = ofdm_rates[ofdm_rate & 0xf]; + zd_rate = zd_rate_from_ofdm_plcp_header(rx_frame); } else { switch (zd_cck_plcp_header_signal(rx_frame)) { case ZD_CCK_PLCP_SIGNAL_1M: - rate = 10; + zd_rate = ZD_CCK_RATE_1M; break; case ZD_CCK_PLCP_SIGNAL_2M: - rate = 20; + zd_rate = ZD_CCK_RATE_2M; break; case ZD_CCK_PLCP_SIGNAL_5M5: - rate = 55; + zd_rate = ZD_CCK_RATE_5_5M; break; case ZD_CCK_PLCP_SIGNAL_11M: - rate = 110; + zd_rate = ZD_CCK_RATE_11M; break; default: - rate = 0; + zd_rate = 0; } } - return rate; + return zd_rate; } int zd_chip_switch_radio_on(struct zd_chip *chip) @@ -1557,20 +1546,22 @@ void zd_chip_disable_int(struct zd_chip *chip) mutex_unlock(&chip->mutex); } -int zd_chip_enable_rx(struct zd_chip *chip) +int zd_chip_enable_rxtx(struct zd_chip *chip) { int r; mutex_lock(&chip->mutex); + zd_usb_enable_tx(&chip->usb); r = zd_usb_enable_rx(&chip->usb); mutex_unlock(&chip->mutex); return r; } -void zd_chip_disable_rx(struct zd_chip *chip) +void zd_chip_disable_rxtx(struct zd_chip *chip) { mutex_lock(&chip->mutex); zd_usb_disable_rx(&chip->usb); + zd_usb_disable_tx(&chip->usb); mutex_unlock(&chip->mutex); } |