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path: root/drivers/net/wireless/ath5k/base.c
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Diffstat (limited to 'drivers/net/wireless/ath5k/base.c')
-rw-r--r--drivers/net/wireless/ath5k/base.c574
1 files changed, 287 insertions, 287 deletions
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index 0676c6d84383..9b95c4049b31 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -72,7 +72,7 @@ MODULE_AUTHOR("Nick Kossifidis");
MODULE_DESCRIPTION("Support for 5xxx series of Atheros 802.11 wireless LAN cards.");
MODULE_SUPPORTED_DEVICE("Atheros 5xxx WLAN cards");
MODULE_LICENSE("Dual BSD/GPL");
-MODULE_VERSION("0.5.0 (EXPERIMENTAL)");
+MODULE_VERSION("0.6.0 (EXPERIMENTAL)");
/* Known PCI ids */
@@ -93,45 +93,94 @@ static struct pci_device_id ath5k_pci_id_table[] __devinitdata = {
{ PCI_VDEVICE(ATHEROS, 0x0019), .driver_data = AR5K_AR5212 }, /* 5212 combatible */
{ PCI_VDEVICE(ATHEROS, 0x001a), .driver_data = AR5K_AR5212 }, /* 2413 Griffin-lite */
{ PCI_VDEVICE(ATHEROS, 0x001b), .driver_data = AR5K_AR5212 }, /* 5413 Eagle */
- { PCI_VDEVICE(ATHEROS, 0x001c), .driver_data = AR5K_AR5212 }, /* 5424 Condor (PCI-E)*/
+ { PCI_VDEVICE(ATHEROS, 0x001c), .driver_data = AR5K_AR5212 }, /* PCI-E cards */
+ { PCI_VDEVICE(ATHEROS, 0x001d), .driver_data = AR5K_AR5212 }, /* 2417 Nala */
{ 0 }
};
MODULE_DEVICE_TABLE(pci, ath5k_pci_id_table);
/* Known SREVs */
static struct ath5k_srev_name srev_names[] = {
- { "5210", AR5K_VERSION_VER, AR5K_SREV_VER_AR5210 },
- { "5311", AR5K_VERSION_VER, AR5K_SREV_VER_AR5311 },
- { "5311A", AR5K_VERSION_VER, AR5K_SREV_VER_AR5311A },
- { "5311B", AR5K_VERSION_VER, AR5K_SREV_VER_AR5311B },
- { "5211", AR5K_VERSION_VER, AR5K_SREV_VER_AR5211 },
- { "5212", AR5K_VERSION_VER, AR5K_SREV_VER_AR5212 },
- { "5213", AR5K_VERSION_VER, AR5K_SREV_VER_AR5213 },
- { "5213A", AR5K_VERSION_VER, AR5K_SREV_VER_AR5213A },
- { "2413", AR5K_VERSION_VER, AR5K_SREV_VER_AR2413 },
- { "2414", AR5K_VERSION_VER, AR5K_SREV_VER_AR2414 },
- { "2424", AR5K_VERSION_VER, AR5K_SREV_VER_AR2424 },
- { "5424", AR5K_VERSION_VER, AR5K_SREV_VER_AR5424 },
- { "5413", AR5K_VERSION_VER, AR5K_SREV_VER_AR5413 },
- { "5414", AR5K_VERSION_VER, AR5K_SREV_VER_AR5414 },
- { "5416", AR5K_VERSION_VER, AR5K_SREV_VER_AR5416 },
- { "5418", AR5K_VERSION_VER, AR5K_SREV_VER_AR5418 },
- { "2425", AR5K_VERSION_VER, AR5K_SREV_VER_AR2425 },
- { "xxxxx", AR5K_VERSION_VER, AR5K_SREV_UNKNOWN },
+ { "5210", AR5K_VERSION_MAC, AR5K_SREV_AR5210 },
+ { "5311", AR5K_VERSION_MAC, AR5K_SREV_AR5311 },
+ { "5311A", AR5K_VERSION_MAC, AR5K_SREV_AR5311A },
+ { "5311B", AR5K_VERSION_MAC, AR5K_SREV_AR5311B },
+ { "5211", AR5K_VERSION_MAC, AR5K_SREV_AR5211 },
+ { "5212", AR5K_VERSION_MAC, AR5K_SREV_AR5212 },
+ { "5213", AR5K_VERSION_MAC, AR5K_SREV_AR5213 },
+ { "5213A", AR5K_VERSION_MAC, AR5K_SREV_AR5213A },
+ { "2413", AR5K_VERSION_MAC, AR5K_SREV_AR2413 },
+ { "2414", AR5K_VERSION_MAC, AR5K_SREV_AR2414 },
+ { "5424", AR5K_VERSION_MAC, AR5K_SREV_AR5424 },
+ { "5413", AR5K_VERSION_MAC, AR5K_SREV_AR5413 },
+ { "5414", AR5K_VERSION_MAC, AR5K_SREV_AR5414 },
+ { "2415", AR5K_VERSION_MAC, AR5K_SREV_AR2415 },
+ { "5416", AR5K_VERSION_MAC, AR5K_SREV_AR5416 },
+ { "5418", AR5K_VERSION_MAC, AR5K_SREV_AR5418 },
+ { "2425", AR5K_VERSION_MAC, AR5K_SREV_AR2425 },
+ { "2417", AR5K_VERSION_MAC, AR5K_SREV_AR2417 },
+ { "xxxxx", AR5K_VERSION_MAC, AR5K_SREV_UNKNOWN },
{ "5110", AR5K_VERSION_RAD, AR5K_SREV_RAD_5110 },
{ "5111", AR5K_VERSION_RAD, AR5K_SREV_RAD_5111 },
+ { "5111A", AR5K_VERSION_RAD, AR5K_SREV_RAD_5111A },
{ "2111", AR5K_VERSION_RAD, AR5K_SREV_RAD_2111 },
{ "5112", AR5K_VERSION_RAD, AR5K_SREV_RAD_5112 },
{ "5112A", AR5K_VERSION_RAD, AR5K_SREV_RAD_5112A },
+ { "5112B", AR5K_VERSION_RAD, AR5K_SREV_RAD_5112B },
{ "2112", AR5K_VERSION_RAD, AR5K_SREV_RAD_2112 },
{ "2112A", AR5K_VERSION_RAD, AR5K_SREV_RAD_2112A },
- { "SChip", AR5K_VERSION_RAD, AR5K_SREV_RAD_SC0 },
- { "SChip", AR5K_VERSION_RAD, AR5K_SREV_RAD_SC1 },
- { "SChip", AR5K_VERSION_RAD, AR5K_SREV_RAD_SC2 },
+ { "2112B", AR5K_VERSION_RAD, AR5K_SREV_RAD_2112B },
+ { "2413", AR5K_VERSION_RAD, AR5K_SREV_RAD_2413 },
+ { "5413", AR5K_VERSION_RAD, AR5K_SREV_RAD_5413 },
+ { "2316", AR5K_VERSION_RAD, AR5K_SREV_RAD_2316 },
+ { "2317", AR5K_VERSION_RAD, AR5K_SREV_RAD_2317 },
+ { "5424", AR5K_VERSION_RAD, AR5K_SREV_RAD_5424 },
{ "5133", AR5K_VERSION_RAD, AR5K_SREV_RAD_5133 },
{ "xxxxx", AR5K_VERSION_RAD, AR5K_SREV_UNKNOWN },
};
+static struct ieee80211_rate ath5k_rates[] = {
+ { .bitrate = 10,
+ .hw_value = ATH5K_RATE_CODE_1M, },
+ { .bitrate = 20,
+ .hw_value = ATH5K_RATE_CODE_2M,
+ .hw_value_short = ATH5K_RATE_CODE_2M | AR5K_SET_SHORT_PREAMBLE,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+ { .bitrate = 55,
+ .hw_value = ATH5K_RATE_CODE_5_5M,
+ .hw_value_short = ATH5K_RATE_CODE_5_5M | AR5K_SET_SHORT_PREAMBLE,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+ { .bitrate = 110,
+ .hw_value = ATH5K_RATE_CODE_11M,
+ .hw_value_short = ATH5K_RATE_CODE_11M | AR5K_SET_SHORT_PREAMBLE,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+ { .bitrate = 60,
+ .hw_value = ATH5K_RATE_CODE_6M,
+ .flags = 0 },
+ { .bitrate = 90,
+ .hw_value = ATH5K_RATE_CODE_9M,
+ .flags = 0 },
+ { .bitrate = 120,
+ .hw_value = ATH5K_RATE_CODE_12M,
+ .flags = 0 },
+ { .bitrate = 180,
+ .hw_value = ATH5K_RATE_CODE_18M,
+ .flags = 0 },
+ { .bitrate = 240,
+ .hw_value = ATH5K_RATE_CODE_24M,
+ .flags = 0 },
+ { .bitrate = 360,
+ .hw_value = ATH5K_RATE_CODE_36M,
+ .flags = 0 },
+ { .bitrate = 480,
+ .hw_value = ATH5K_RATE_CODE_48M,
+ .flags = 0 },
+ { .bitrate = 540,
+ .hw_value = ATH5K_RATE_CODE_54M,
+ .flags = 0 },
+ /* XR missing */
+};
+
/*
* Prototypes - PCI stack related functions
*/
@@ -162,7 +211,8 @@ static struct pci_driver ath5k_pci_driver = {
* Prototypes - MAC 802.11 stack related functions
*/
static int ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
-static int ath5k_reset(struct ieee80211_hw *hw);
+static int ath5k_reset(struct ath5k_softc *sc, bool stop, bool change_channel);
+static int ath5k_reset_wake(struct ath5k_softc *sc);
static int ath5k_start(struct ieee80211_hw *hw);
static void ath5k_stop(struct ieee80211_hw *hw);
static int ath5k_add_interface(struct ieee80211_hw *hw,
@@ -218,20 +268,16 @@ static void ath5k_detach(struct pci_dev *pdev,
struct ieee80211_hw *hw);
/* Channel/mode setup */
static inline short ath5k_ieee2mhz(short chan);
-static unsigned int ath5k_copy_rates(struct ieee80211_rate *rates,
- const struct ath5k_rate_table *rt,
- unsigned int max);
static unsigned int ath5k_copy_channels(struct ath5k_hw *ah,
struct ieee80211_channel *channels,
unsigned int mode,
unsigned int max);
-static int ath5k_getchannels(struct ieee80211_hw *hw);
+static int ath5k_setup_bands(struct ieee80211_hw *hw);
static int ath5k_chan_set(struct ath5k_softc *sc,
struct ieee80211_channel *chan);
static void ath5k_setcurmode(struct ath5k_softc *sc,
unsigned int mode);
static void ath5k_mode_setup(struct ath5k_softc *sc);
-static void ath5k_set_total_hw_rates(struct ath5k_softc *sc);
/* Descriptor setup */
static int ath5k_desc_alloc(struct ath5k_softc *sc,
@@ -351,7 +397,11 @@ ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val)
for (i = 0; i < ARRAY_SIZE(srev_names); i++) {
if (srev_names[i].sr_type != type)
continue;
- if ((val & 0xff) < srev_names[i + 1].sr_val) {
+
+ if ((val & 0xf0) == srev_names[i].sr_val)
+ name = srev_names[i].sr_name;
+
+ if ((val & 0xff) == srev_names[i].sr_val) {
name = srev_names[i].sr_name;
break;
}
@@ -446,6 +496,12 @@ ath5k_pci_probe(struct pci_dev *pdev,
hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_NOISE_DBM;
+
+ hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC) |
+ BIT(NL80211_IFTYPE_MESH_POINT);
+
hw->extra_tx_headroom = 2;
hw->channel_change_time = 5000;
sc = hw->priv;
@@ -462,7 +518,7 @@ ath5k_pci_probe(struct pci_dev *pdev,
sc->iobase = mem; /* So we can unmap it on detach */
sc->cachelsz = csz * sizeof(u32); /* convert to bytes */
- sc->opmode = IEEE80211_IF_TYPE_STA;
+ sc->opmode = NL80211_IFTYPE_STATION;
mutex_init(&sc->lock);
spin_lock_init(&sc->rxbuflock);
spin_lock_init(&sc->txbuflock);
@@ -485,13 +541,19 @@ ath5k_pci_probe(struct pci_dev *pdev,
goto err_irq;
}
+ /* set up multi-rate retry capabilities */
+ if (sc->ah->ah_version == AR5K_AR5212) {
+ hw->max_altrates = 3;
+ hw->max_altrate_tries = 11;
+ }
+
/* Finish private driver data initialization */
ret = ath5k_attach(pdev, hw);
if (ret)
goto err_ah;
ATH5K_INFO(sc, "Atheros AR%s chip found (MAC: 0x%x, PHY: 0x%x)\n",
- ath5k_chip_name(AR5K_VERSION_VER,sc->ah->ah_mac_srev),
+ ath5k_chip_name(AR5K_VERSION_MAC, sc->ah->ah_mac_srev),
sc->ah->ah_mac_srev,
sc->ah->ah_phy_revision);
@@ -646,7 +708,6 @@ err_no_irq:
#endif /* CONFIG_PM */
-
/***********************\
* Driver Initialization *
\***********************/
@@ -669,7 +730,7 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
* return false w/o doing anything. MAC's that do
* support it will return true w/o doing anything.
*/
- ret = ah->ah_setup_xtx_desc(ah, NULL, 0, 0, 0, 0, 0, 0);
+ ret = ah->ah_setup_mrr_tx_desc(ah, NULL, 0, 0, 0, 0, 0, 0);
if (ret < 0)
goto err;
if (ret > 0)
@@ -688,15 +749,12 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
* on settings like the phy mode and regulatory
* domain restrictions.
*/
- ret = ath5k_getchannels(hw);
+ ret = ath5k_setup_bands(hw);
if (ret) {
ATH5K_ERR(sc, "can't get channels\n");
goto err;
}
- /* Set *_rates so we can map hw rate index */
- ath5k_set_total_hw_rates(sc);
-
/* NB: setup here so ath5k_rate_update is happy */
if (test_bit(AR5K_MODE_11A, ah->ah_modes))
ath5k_setcurmode(sc, AR5K_MODE_11A);
@@ -813,27 +871,6 @@ ath5k_ieee2mhz(short chan)
}
static unsigned int
-ath5k_copy_rates(struct ieee80211_rate *rates,
- const struct ath5k_rate_table *rt,
- unsigned int max)
-{
- unsigned int i, count;
-
- if (rt == NULL)
- return 0;
-
- for (i = 0, count = 0; i < rt->rate_count && max > 0; i++) {
- rates[count].bitrate = rt->rates[i].rate_kbps / 100;
- rates[count].hw_value = rt->rates[i].rate_code;
- rates[count].flags = rt->rates[i].modulation;
- count++;
- max--;
- }
-
- return count;
-}
-
-static unsigned int
ath5k_copy_channels(struct ath5k_hw *ah,
struct ieee80211_channel *channels,
unsigned int mode,
@@ -895,74 +932,97 @@ ath5k_copy_channels(struct ath5k_hw *ah,
return count;
}
+static void
+ath5k_setup_rate_idx(struct ath5k_softc *sc, struct ieee80211_supported_band *b)
+{
+ u8 i;
+
+ for (i = 0; i < AR5K_MAX_RATES; i++)
+ sc->rate_idx[b->band][i] = -1;
+
+ for (i = 0; i < b->n_bitrates; i++) {
+ sc->rate_idx[b->band][b->bitrates[i].hw_value] = i;
+ if (b->bitrates[i].hw_value_short)
+ sc->rate_idx[b->band][b->bitrates[i].hw_value_short] = i;
+ }
+}
+
static int
-ath5k_getchannels(struct ieee80211_hw *hw)
+ath5k_setup_bands(struct ieee80211_hw *hw)
{
struct ath5k_softc *sc = hw->priv;
struct ath5k_hw *ah = sc->ah;
- struct ieee80211_supported_band *sbands = sc->sbands;
- const struct ath5k_rate_table *hw_rates;
- unsigned int max_r, max_c, count_r, count_c;
- int mode2g = AR5K_MODE_11G;
+ struct ieee80211_supported_band *sband;
+ int max_c, count_c = 0;
+ int i;
BUILD_BUG_ON(ARRAY_SIZE(sc->sbands) < IEEE80211_NUM_BANDS);
-
- max_r = ARRAY_SIZE(sc->rates);
max_c = ARRAY_SIZE(sc->channels);
- count_r = count_c = 0;
/* 2GHz band */
- if (!test_bit(AR5K_MODE_11G, sc->ah->ah_capabilities.cap_mode)) {
- mode2g = AR5K_MODE_11B;
- if (!test_bit(AR5K_MODE_11B,
- sc->ah->ah_capabilities.cap_mode))
- mode2g = -1;
- }
+ sband = &sc->sbands[IEEE80211_BAND_2GHZ];
+ sband->band = IEEE80211_BAND_2GHZ;
+ sband->bitrates = &sc->rates[IEEE80211_BAND_2GHZ][0];
- if (mode2g > 0) {
- struct ieee80211_supported_band *sband =
- &sbands[IEEE80211_BAND_2GHZ];
+ if (test_bit(AR5K_MODE_11G, sc->ah->ah_capabilities.cap_mode)) {
+ /* G mode */
+ memcpy(sband->bitrates, &ath5k_rates[0],
+ sizeof(struct ieee80211_rate) * 12);
+ sband->n_bitrates = 12;
- sband->bitrates = sc->rates;
sband->channels = sc->channels;
-
- sband->band = IEEE80211_BAND_2GHZ;
sband->n_channels = ath5k_copy_channels(ah, sband->channels,
- mode2g, max_c);
-
- hw_rates = ath5k_hw_get_rate_table(ah, mode2g);
- sband->n_bitrates = ath5k_copy_rates(sband->bitrates,
- hw_rates, max_r);
+ AR5K_MODE_11G, max_c);
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
count_c = sband->n_channels;
- count_r = sband->n_bitrates;
+ max_c -= count_c;
+ } else if (test_bit(AR5K_MODE_11B, sc->ah->ah_capabilities.cap_mode)) {
+ /* B mode */
+ memcpy(sband->bitrates, &ath5k_rates[0],
+ sizeof(struct ieee80211_rate) * 4);
+ sband->n_bitrates = 4;
+
+ /* 5211 only supports B rates and uses 4bit rate codes
+ * (e.g normally we have 0x1B for 1M, but on 5211 we have 0x0B)
+ * fix them up here:
+ */
+ if (ah->ah_version == AR5K_AR5211) {
+ for (i = 0; i < 4; i++) {
+ sband->bitrates[i].hw_value =
+ sband->bitrates[i].hw_value & 0xF;
+ sband->bitrates[i].hw_value_short =
+ sband->bitrates[i].hw_value_short & 0xF;
+ }
+ }
- hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
+ sband->channels = sc->channels;
+ sband->n_channels = ath5k_copy_channels(ah, sband->channels,
+ AR5K_MODE_11B, max_c);
- max_r -= count_r;
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband;
+ count_c = sband->n_channels;
max_c -= count_c;
-
}
+ ath5k_setup_rate_idx(sc, sband);
- /* 5GHz band */
-
+ /* 5GHz band, A mode */
if (test_bit(AR5K_MODE_11A, sc->ah->ah_capabilities.cap_mode)) {
- struct ieee80211_supported_band *sband =
- &sbands[IEEE80211_BAND_5GHZ];
+ sband = &sc->sbands[IEEE80211_BAND_5GHZ];
+ sband->band = IEEE80211_BAND_5GHZ;
+ sband->bitrates = &sc->rates[IEEE80211_BAND_5GHZ][0];
- sband->bitrates = &sc->rates[count_r];
- sband->channels = &sc->channels[count_c];
+ memcpy(sband->bitrates, &ath5k_rates[4],
+ sizeof(struct ieee80211_rate) * 8);
+ sband->n_bitrates = 8;
- sband->band = IEEE80211_BAND_5GHZ;
+ sband->channels = &sc->channels[count_c];
sband->n_channels = ath5k_copy_channels(ah, sband->channels,
AR5K_MODE_11A, max_c);
- hw_rates = ath5k_hw_get_rate_table(ah, AR5K_MODE_11A);
- sband->n_bitrates = ath5k_copy_rates(sband->bitrates,
- hw_rates, max_r);
-
hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband;
}
+ ath5k_setup_rate_idx(sc, sband);
ath5k_debug_dump_bands(sc);
@@ -978,9 +1038,6 @@ ath5k_getchannels(struct ieee80211_hw *hw)
static int
ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan)
{
- struct ath5k_hw *ah = sc->ah;
- int ret;
-
ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "(%u MHz) -> (%u MHz)\n",
sc->curchan->center_freq, chan->center_freq);
@@ -996,41 +1053,7 @@ ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan)
* hardware at the new frequency, and then re-enable
* the relevant bits of the h/w.
*/
- ath5k_hw_set_intr(ah, 0); /* disable interrupts */
- ath5k_txq_cleanup(sc); /* clear pending tx frames */
- ath5k_rx_stop(sc); /* turn off frame recv */
- ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, true);
- if (ret) {
- ATH5K_ERR(sc, "%s: unable to reset channel "
- "(%u Mhz)\n", __func__, chan->center_freq);
- return ret;
- }
-
- ath5k_hw_set_txpower_limit(sc->ah, 0);
-
- /*
- * Re-enable rx framework.
- */
- ret = ath5k_rx_start(sc);
- if (ret) {
- ATH5K_ERR(sc, "%s: unable to restart recv logic\n",
- __func__);
- return ret;
- }
-
- /*
- * Change channels and update the h/w rate map
- * if we're switching; e.g. 11a to 11b/g.
- *
- * XXX needed?
- */
-/* ath5k_chan_change(sc, chan); */
-
- ath5k_beacon_config(sc);
- /*
- * Re-enable interrupts.
- */
- ath5k_hw_set_intr(ah, sc->imask);
+ return ath5k_reset(sc, true, true);
}
return 0;
@@ -1068,75 +1091,13 @@ ath5k_mode_setup(struct ath5k_softc *sc)
ATH5K_DBG(sc, ATH5K_DEBUG_MODE, "RX filter 0x%x\n", rfilt);
}
-/*
- * Match the hw provided rate index (through descriptors)
- * to an index for sc->curband->bitrates, so it can be used
- * by the stack.
- *
- * This one is a little bit tricky but i think i'm right
- * about this...
- *
- * We have 4 rate tables in the following order:
- * XR (4 rates)
- * 802.11a (8 rates)
- * 802.11b (4 rates)
- * 802.11g (12 rates)
- * that make the hw rate table.
- *
- * Lets take a 5211 for example that supports a and b modes only.
- * First comes the 802.11a table and then 802.11b (total 12 rates).
- * When hw returns eg. 11 it points to the last 802.11b rate (11Mbit),
- * if it returns 2 it points to the second 802.11a rate etc.
- *
- * Same goes for 5212 who has xr/a/b/g support (total 28 rates).
- * First comes the XR table, then 802.11a, 802.11b and 802.11g.
- * When hw returns eg. 27 it points to the last 802.11g rate (54Mbits) etc
- */
-static void
-ath5k_set_total_hw_rates(struct ath5k_softc *sc) {
-
- struct ath5k_hw *ah = sc->ah;
-
- if (test_bit(AR5K_MODE_11A, ah->ah_modes))
- sc->a_rates = 8;
-
- if (test_bit(AR5K_MODE_11B, ah->ah_modes))
- sc->b_rates = 4;
-
- if (test_bit(AR5K_MODE_11G, ah->ah_modes))
- sc->g_rates = 12;
-
- /* XXX: Need to see what what happens when
- xr disable bits in eeprom are set */
- if (ah->ah_version >= AR5K_AR5212)
- sc->xr_rates = 4;
-
-}
-
static inline int
-ath5k_hw_to_driver_rix(struct ath5k_softc *sc, int hw_rix) {
-
- int mac80211_rix;
-
- if(sc->curband->band == IEEE80211_BAND_2GHZ) {
- /* We setup a g ratetable for both b/g modes */
- mac80211_rix =
- hw_rix - sc->b_rates - sc->a_rates - sc->xr_rates;
- } else {
- mac80211_rix = hw_rix - sc->xr_rates;
- }
-
- /* Something went wrong, fallback to basic rate for this band */
- if ((mac80211_rix >= sc->curband->n_bitrates) ||
- (mac80211_rix <= 0 ))
- mac80211_rix = 1;
-
- return mac80211_rix;
+ath5k_hw_to_driver_rix(struct ath5k_softc *sc, int hw_rix)
+{
+ WARN_ON(hw_rix < 0 || hw_rix > AR5K_MAX_RATES);
+ return sc->rate_idx[sc->curband->band][hw_rix];
}
-
-
-
/***************\
* Buffers setup *
\***************/
@@ -1199,7 +1160,7 @@ ath5k_rxbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
ds = bf->desc;
ds->ds_link = bf->daddr; /* link to self */
ds->ds_data = bf->skbaddr;
- ath5k_hw_setup_rx_desc(ah, ds,
+ ah->ah_setup_rx_desc(ah, ds,
skb_tailroom(skb), /* buffer size */
0);
@@ -1218,7 +1179,9 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
struct sk_buff *skb = bf->skb;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
unsigned int pktlen, flags, keyidx = AR5K_TXKEYIX_INVALID;
- int ret;
+ struct ieee80211_rate *rate;
+ unsigned int mrr_rate[3], mrr_tries[3];
+ int i, ret;
flags = AR5K_TXDESC_INTREQ | AR5K_TXDESC_CLRDMASK;
@@ -1233,7 +1196,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
if (info->control.hw_key) {
keyidx = info->control.hw_key->hw_key_idx;
- pktlen += info->control.icv_len;
+ pktlen += info->control.hw_key->icv_len;
}
ret = ah->ah_setup_tx_desc(ah, ds, pktlen,
ieee80211_get_hdrlen_from_skb(skb), AR5K_PKT_TYPE_NORMAL,
@@ -1243,6 +1206,22 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
if (ret)
goto err_unmap;
+ memset(mrr_rate, 0, sizeof(mrr_rate));
+ memset(mrr_tries, 0, sizeof(mrr_tries));
+ for (i = 0; i < 3; i++) {
+ rate = ieee80211_get_alt_retry_rate(sc->hw, info, i);
+ if (!rate)
+ break;
+
+ mrr_rate[i] = rate->hw_value;
+ mrr_tries[i] = info->control.retries[i].limit;
+ }
+
+ ah->ah_setup_mrr_tx_desc(ah, ds,
+ mrr_rate[0], mrr_tries[0],
+ mrr_rate[1], mrr_tries[1],
+ mrr_rate[2], mrr_tries[2]);
+
ds->ds_link = 0;
ds->ds_data = bf->skbaddr;
@@ -1250,12 +1229,12 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
list_add_tail(&bf->list, &txq->q);
sc->tx_stats[txq->qnum].len++;
if (txq->link == NULL) /* is this first packet? */
- ath5k_hw_put_tx_buf(ah, txq->qnum, bf->daddr);
+ ath5k_hw_set_txdp(ah, txq->qnum, bf->daddr);
else /* no, so only link it */
*txq->link = bf->daddr;
txq->link = &ds->ds_link;
- ath5k_hw_tx_start(ah, txq->qnum);
+ ath5k_hw_start_tx_dma(ah, txq->qnum);
mmiowb();
spin_unlock_bh(&txq->lock);
@@ -1433,7 +1412,8 @@ ath5k_beaconq_config(struct ath5k_softc *sc)
ret = ath5k_hw_get_tx_queueprops(ah, sc->bhalq, &qi);
if (ret)
return ret;
- if (sc->opmode == IEEE80211_IF_TYPE_AP) {
+ if (sc->opmode == NL80211_IFTYPE_AP ||
+ sc->opmode == NL80211_IFTYPE_MESH_POINT) {
/*
* Always burst out beacon and CAB traffic
* (aifs = cwmin = cwmax = 0)
@@ -1441,7 +1421,7 @@ ath5k_beaconq_config(struct ath5k_softc *sc)
qi.tqi_aifs = 0;
qi.tqi_cw_min = 0;
qi.tqi_cw_max = 0;
- } else if (sc->opmode == IEEE80211_IF_TYPE_IBSS) {
+ } else if (sc->opmode == NL80211_IFTYPE_ADHOC) {
/*
* Adhoc mode; backoff between 0 and (2 * cw_min).
*/
@@ -1454,7 +1434,7 @@ ath5k_beaconq_config(struct ath5k_softc *sc)
"beacon queueprops tqi_aifs:%d tqi_cw_min:%d tqi_cw_max:%d\n",
qi.tqi_aifs, qi.tqi_cw_min, qi.tqi_cw_max);
- ret = ath5k_hw_setup_tx_queueprops(ah, sc->bhalq, &qi);
+ ret = ath5k_hw_set_tx_queueprops(ah, sc->bhalq, &qi);
if (ret) {
ATH5K_ERR(sc, "%s: unable to update parameters for beacon "
"hardware queue!\n", __func__);
@@ -1503,14 +1483,14 @@ ath5k_txq_cleanup(struct ath5k_softc *sc)
/* don't touch the hardware if marked invalid */
ath5k_hw_stop_tx_dma(ah, sc->bhalq);
ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "beacon queue %x\n",
- ath5k_hw_get_tx_buf(ah, sc->bhalq));
+ ath5k_hw_get_txdp(ah, sc->bhalq));
for (i = 0; i < ARRAY_SIZE(sc->txqs); i++)
if (sc->txqs[i].setup) {
ath5k_hw_stop_tx_dma(ah, sc->txqs[i].qnum);
ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "txq [%u] %x, "
"link %p\n",
sc->txqs[i].qnum,
- ath5k_hw_get_tx_buf(ah,
+ ath5k_hw_get_txdp(ah,
sc->txqs[i].qnum),
sc->txqs[i].link);
}
@@ -1570,8 +1550,8 @@ ath5k_rx_start(struct ath5k_softc *sc)
bf = list_first_entry(&sc->rxbuf, struct ath5k_buf, list);
spin_unlock_bh(&sc->rxbuflock);
- ath5k_hw_put_rx_buf(ah, bf->daddr);
- ath5k_hw_start_rx(ah); /* enable recv descriptors */
+ ath5k_hw_set_rxdp(ah, bf->daddr);
+ ath5k_hw_start_rx_dma(ah); /* enable recv descriptors */
ath5k_mode_setup(sc); /* set filters, etc. */
ath5k_hw_start_rx_pcu(ah); /* re-enable PCU/DMA engine */
@@ -1588,7 +1568,7 @@ ath5k_rx_stop(struct ath5k_softc *sc)
{
struct ath5k_hw *ah = sc->ah;
- ath5k_hw_stop_pcu_recv(ah); /* disable PCU */
+ ath5k_hw_stop_rx_pcu(ah); /* disable PCU */
ath5k_hw_set_rx_filter(ah, 0); /* clear recv filter */
ath5k_hw_stop_rx_dma(ah); /* disable DMA engine */
@@ -1602,7 +1582,7 @@ ath5k_rx_decrypted(struct ath5k_softc *sc, struct ath5k_desc *ds,
struct sk_buff *skb, struct ath5k_rx_status *rs)
{
struct ieee80211_hdr *hdr = (void *)skb->data;
- unsigned int keyix, hlen = ieee80211_get_hdrlen_from_skb(skb);
+ unsigned int keyix, hlen;
if (!(rs->rs_status & AR5K_RXERR_DECRYPT) &&
rs->rs_keyix != AR5K_RXKEYIX_INVALID)
@@ -1611,6 +1591,7 @@ ath5k_rx_decrypted(struct ath5k_softc *sc, struct ath5k_desc *ds,
/* Apparently when a default key is used to decrypt the packet
the hw does not set the index used to decrypt. In such cases
get the index from the packet. */
+ hlen = ieee80211_hdrlen(hdr->frame_control);
if (ieee80211_has_protected(hdr->frame_control) &&
!(rs->rs_status & AR5K_RXERR_DECRYPT) &&
skb->len >= hlen + 4) {
@@ -1768,7 +1749,7 @@ ath5k_tasklet_rx(unsigned long data)
/* let crypto-error packets fall through in MNTR */
if ((rs.rs_status &
~(AR5K_RXERR_DECRYPT|AR5K_RXERR_MIC)) ||
- sc->opmode != IEEE80211_IF_TYPE_MNTR)
+ sc->opmode != NL80211_IFTYPE_MONITOR)
goto next;
}
accept:
@@ -1824,10 +1805,14 @@ accept:
rxs.rate_idx = ath5k_hw_to_driver_rix(sc, rs.rs_rate);
rxs.flag |= ath5k_rx_decrypted(sc, ds, skb, &rs);
+ if (rxs.rate_idx >= 0 && rs.rs_rate ==
+ sc->curband->bitrates[rxs.rate_idx].hw_value_short)
+ rxs.flag |= RX_FLAG_SHORTPRE;
+
ath5k_debug_dump_skb(sc, skb, "RX ", 0);
/* check beacons in IBSS mode */
- if (sc->opmode == IEEE80211_IF_TYPE_IBSS)
+ if (sc->opmode == NL80211_IFTYPE_ADHOC)
ath5k_check_ibss_tsf(sc, skb, &rxs);
__ieee80211_rx(sc->hw, skb, &rxs);
@@ -1853,7 +1838,7 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq)
struct ath5k_desc *ds;
struct sk_buff *skb;
struct ieee80211_tx_info *info;
- int ret;
+ int i, ret;
spin_lock(&txq->lock);
list_for_each_entry_safe(bf, bf0, &txq->q, list) {
@@ -1875,7 +1860,25 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq)
pci_unmap_single(sc->pdev, bf->skbaddr, skb->len,
PCI_DMA_TODEVICE);
- info->status.retry_count = ts.ts_shortretry + ts.ts_longretry / 6;
+ memset(&info->status, 0, sizeof(info->status));
+ info->tx_rate_idx = ath5k_hw_to_driver_rix(sc,
+ ts.ts_rate[ts.ts_final_idx]);
+ info->status.retry_count = ts.ts_longretry;
+
+ for (i = 0; i < 4; i++) {
+ struct ieee80211_tx_altrate *r =
+ &info->status.retries[i];
+
+ if (ts.ts_rate[i]) {
+ r->rate_idx = ath5k_hw_to_driver_rix(sc, ts.ts_rate[i]);
+ r->limit = ts.ts_retry[i];
+ } else {
+ r->rate_idx = -1;
+ r->limit = 0;
+ }
+ }
+
+ info->status.excessive_retries = 0;
if (unlikely(ts.ts_status)) {
sc->ll_stats.dot11ACKFailureCount++;
if (ts.ts_status & AR5K_TXERR_XRETRY)
@@ -1942,7 +1945,7 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
ds = bf->desc;
flags = AR5K_TXDESC_NOACK;
- if (sc->opmode == IEEE80211_IF_TYPE_IBSS && ath5k_hw_hasveol(ah)) {
+ if (sc->opmode == NL80211_IFTYPE_ADHOC && ath5k_hw_hasveol(ah)) {
ds->ds_link = bf->daddr; /* self-linked */
flags |= AR5K_TXDESC_VEOL;
/*
@@ -1991,8 +1994,8 @@ ath5k_beacon_send(struct ath5k_softc *sc)
ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON, "in beacon_send\n");
- if (unlikely(bf->skb == NULL || sc->opmode == IEEE80211_IF_TYPE_STA ||
- sc->opmode == IEEE80211_IF_TYPE_MNTR)) {
+ if (unlikely(bf->skb == NULL || sc->opmode == NL80211_IFTYPE_STATION ||
+ sc->opmode == NL80211_IFTYPE_MONITOR)) {
ATH5K_WARN(sc, "bf=%p bf_skb=%p\n", bf, bf ? bf->skb : NULL);
return;
}
@@ -2032,8 +2035,8 @@ ath5k_beacon_send(struct ath5k_softc *sc)
/* NB: hw still stops DMA, so proceed */
}
- ath5k_hw_put_tx_buf(ah, sc->bhalq, bf->daddr);
- ath5k_hw_tx_start(ah, sc->bhalq);
+ ath5k_hw_set_txdp(ah, sc->bhalq, bf->daddr);
+ ath5k_hw_start_tx_dma(ah, sc->bhalq);
ATH5K_DBG(sc, ATH5K_DEBUG_BEACON, "TXDP[%u] = %llx (%p)\n",
sc->bhalq, (unsigned long long)bf->daddr, bf->desc);
@@ -2162,13 +2165,13 @@ ath5k_beacon_config(struct ath5k_softc *sc)
{
struct ath5k_hw *ah = sc->ah;
- ath5k_hw_set_intr(ah, 0);
+ ath5k_hw_set_imr(ah, 0);
sc->bmisscount = 0;
sc->imask &= ~(AR5K_INT_BMISS | AR5K_INT_SWBA);
- if (sc->opmode == IEEE80211_IF_TYPE_STA) {
+ if (sc->opmode == NL80211_IFTYPE_STATION) {
sc->imask |= AR5K_INT_BMISS;
- } else if (sc->opmode == IEEE80211_IF_TYPE_IBSS) {
+ } else if (sc->opmode == NL80211_IFTYPE_ADHOC) {
/*
* In IBSS mode we use a self-linked tx descriptor and let the
* hardware send the beacons automatically. We have to load it
@@ -2188,7 +2191,7 @@ ath5k_beacon_config(struct ath5k_softc *sc)
}
/* TODO else AP */
- ath5k_hw_set_intr(ah, sc->imask);
+ ath5k_hw_set_imr(ah, sc->imask);
}
@@ -2220,36 +2223,13 @@ ath5k_init(struct ath5k_softc *sc)
*/
sc->curchan = sc->hw->conf.channel;
sc->curband = &sc->sbands[sc->curchan->band];
- ret = ath5k_hw_reset(sc->ah, sc->opmode, sc->curchan, false);
- if (ret) {
- ATH5K_ERR(sc, "unable to reset hardware: %d\n", ret);
- goto done;
- }
- /*
- * This is needed only to setup initial state
- * but it's best done after a reset.
- */
- ath5k_hw_set_txpower_limit(sc->ah, 0);
-
- /*
- * Setup the hardware after reset: the key cache
- * is filled as needed and the receive engine is
- * set going. Frame transmit is handled entirely
- * in the frame output path; there's nothing to do
- * here except setup the interrupt mask.
- */
- ret = ath5k_rx_start(sc);
- if (ret)
- goto done;
-
- /*
- * Enable interrupts.
- */
sc->imask = AR5K_INT_RX | AR5K_INT_TX | AR5K_INT_RXEOL |
AR5K_INT_RXORN | AR5K_INT_FATAL | AR5K_INT_GLOBAL |
AR5K_INT_MIB;
+ ret = ath5k_reset(sc, false, false);
+ if (ret)
+ goto done;
- ath5k_hw_set_intr(sc->ah, sc->imask);
/* Set ack to be sent at low bit-rates */
ath5k_hw_set_ack_bitrate_high(sc->ah, false);
@@ -2290,7 +2270,7 @@ ath5k_stop_locked(struct ath5k_softc *sc)
if (!test_bit(ATH_STAT_INVALID, sc->status)) {
ath5k_led_off(sc);
- ath5k_hw_set_intr(ah, 0);
+ ath5k_hw_set_imr(ah, 0);
synchronize_irq(sc->pdev->irq);
}
ath5k_txq_cleanup(sc);
@@ -2396,7 +2376,7 @@ ath5k_intr(int irq, void *dev_id)
* transmission time) in order to detect wether
* automatic TSF updates happened.
*/
- if (sc->opmode == IEEE80211_IF_TYPE_IBSS) {
+ if (sc->opmode == NL80211_IFTYPE_ADHOC) {
/* XXX: only if VEOL suppported */
u64 tsf = ath5k_hw_get_tsf64(ah);
sc->nexttbtt += sc->bintval;
@@ -2451,7 +2431,7 @@ ath5k_tasklet_reset(unsigned long data)
{
struct ath5k_softc *sc = (void *)data;
- ath5k_reset(sc->hw);
+ ath5k_reset_wake(sc);
}
/*
@@ -2474,7 +2454,7 @@ ath5k_calibrate(unsigned long data)
* to load new gain values.
*/
ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "calibration, resetting\n");
- ath5k_reset(sc->hw);
+ ath5k_reset_wake(sc);
}
if (ath5k_hw_phy_calibrate(ah, sc->curchan))
ATH5K_ERR(sc, "calibration of channel %u failed\n",
@@ -2626,7 +2606,7 @@ ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
ath5k_debug_dump_skb(sc, skb, "TX ", 1);
- if (sc->opmode == IEEE80211_IF_TYPE_MNTR)
+ if (sc->opmode == NL80211_IFTYPE_MONITOR)
ATH5K_DBG(sc, ATH5K_DEBUG_XMIT, "tx in monitor (scan?)\n");
/*
@@ -2675,48 +2655,67 @@ ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
}
static int
-ath5k_reset(struct ieee80211_hw *hw)
+ath5k_reset(struct ath5k_softc *sc, bool stop, bool change_channel)
{
- struct ath5k_softc *sc = hw->priv;
struct ath5k_hw *ah = sc->ah;
int ret;
ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "resetting\n");
- ath5k_hw_set_intr(ah, 0);
- ath5k_txq_cleanup(sc);
- ath5k_rx_stop(sc);
-
+ if (stop) {
+ ath5k_hw_set_imr(ah, 0);
+ ath5k_txq_cleanup(sc);
+ ath5k_rx_stop(sc);
+ }
ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, true);
- if (unlikely(ret)) {
+ if (ret) {
ATH5K_ERR(sc, "can't reset hardware (%d)\n", ret);
goto err;
}
+
+ /*
+ * This is needed only to setup initial state
+ * but it's best done after a reset.
+ */
ath5k_hw_set_txpower_limit(sc->ah, 0);
ret = ath5k_rx_start(sc);
- if (unlikely(ret)) {
+ if (ret) {
ATH5K_ERR(sc, "can't start recv logic\n");
goto err;
}
+
/*
- * We may be doing a reset in response to an ioctl
- * that changes the channel so update any state that
- * might change as a result.
+ * Change channels and update the h/w rate map if we're switching;
+ * e.g. 11a to 11b/g.
+ *
+ * We may be doing a reset in response to an ioctl that changes the
+ * channel so update any state that might change as a result.
*
* XXX needed?
*/
/* ath5k_chan_change(sc, c); */
- ath5k_beacon_config(sc);
- /* intrs are started by ath5k_beacon_config */
- ieee80211_wake_queues(hw);
+ ath5k_beacon_config(sc);
+ /* intrs are enabled by ath5k_beacon_config */
return 0;
err:
return ret;
}
+static int
+ath5k_reset_wake(struct ath5k_softc *sc)
+{
+ int ret;
+
+ ret = ath5k_reset(sc, true, true);
+ if (!ret)
+ ieee80211_wake_queues(sc->hw);
+
+ return ret;
+}
+
static int ath5k_start(struct ieee80211_hw *hw)
{
return ath5k_init(hw->priv);
@@ -2742,9 +2741,9 @@ static int ath5k_add_interface(struct ieee80211_hw *hw,
sc->vif = conf->vif;
switch (conf->type) {
- case IEEE80211_IF_TYPE_STA:
- case IEEE80211_IF_TYPE_IBSS:
- case IEEE80211_IF_TYPE_MNTR:
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MONITOR:
sc->opmode = conf->type;
break;
default:
@@ -2815,7 +2814,7 @@ ath5k_config_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
}
if (conf->changed & IEEE80211_IFCC_BEACON &&
- vif->type == IEEE80211_IF_TYPE_IBSS) {
+ vif->type == NL80211_IFTYPE_ADHOC) {
struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
if (!beacon) {
ret = -ENOMEM;
@@ -2827,7 +2826,7 @@ ath5k_config_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
mutex_unlock(&sc->lock);
- return ath5k_reset(hw);
+ return ath5k_reset_wake(sc);
unlock:
mutex_unlock(&sc->lock);
return ret;
@@ -2934,16 +2933,17 @@ static void ath5k_configure_filter(struct ieee80211_hw *hw,
/* XXX move these to mac80211, and add a beacon IFF flag to mac80211 */
- if (sc->opmode == IEEE80211_IF_TYPE_MNTR)
+ if (sc->opmode == NL80211_IFTYPE_MONITOR)
rfilt |= AR5K_RX_FILTER_CONTROL | AR5K_RX_FILTER_BEACON |
AR5K_RX_FILTER_PROBEREQ | AR5K_RX_FILTER_PROM;
- if (sc->opmode != IEEE80211_IF_TYPE_STA)
+ if (sc->opmode != NL80211_IFTYPE_STATION)
rfilt |= AR5K_RX_FILTER_PROBEREQ;
- if (sc->opmode != IEEE80211_IF_TYPE_AP &&
+ if (sc->opmode != NL80211_IFTYPE_AP &&
+ sc->opmode != NL80211_IFTYPE_MESH_POINT &&
test_bit(ATH_STAT_PROMISC, sc->status))
rfilt |= AR5K_RX_FILTER_PROM;
- if (sc->opmode == IEEE80211_IF_TYPE_STA ||
- sc->opmode == IEEE80211_IF_TYPE_IBSS) {
+ if (sc->opmode == NL80211_IFTYPE_STATION ||
+ sc->opmode == NL80211_IFTYPE_ADHOC) {
rfilt |= AR5K_RX_FILTER_BEACON;
}
@@ -3048,7 +3048,7 @@ ath5k_reset_tsf(struct ieee80211_hw *hw)
* in IBSS mode we need to update the beacon timers too.
* this will also reset the TSF if we call it with 0
*/
- if (sc->opmode == IEEE80211_IF_TYPE_IBSS)
+ if (sc->opmode == NL80211_IFTYPE_ADHOC)
ath5k_beacon_update_timers(sc, 0);
else
ath5k_hw_reset_tsf(sc->ah);
@@ -3063,7 +3063,7 @@ ath5k_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
ath5k_debug_dump_skb(sc, skb, "BC ", 1);
- if (sc->opmode != IEEE80211_IF_TYPE_IBSS) {
+ if (sc->opmode != NL80211_IFTYPE_ADHOC) {
ret = -EIO;
goto end;
}