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path: root/drivers/net/wireless/b43/main.c
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Diffstat (limited to 'drivers/net/wireless/b43/main.c')
-rw-r--r--drivers/net/wireless/b43/main.c628
1 files changed, 447 insertions, 181 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 51dfce16178a..6c58f8b5dcf5 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -78,6 +78,11 @@ 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 +101,29 @@ 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 +133,144 @@ 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 +470,30 @@ 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)
@@ -1222,17 +1328,18 @@ static void b43_write_beacon_template(struct b43_wldev *dev,
}
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 +1354,8 @@ 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 +1400,7 @@ 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 +1408,8 @@ 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;
@@ -1313,14 +1422,15 @@ 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);
}
@@ -1388,7 +1498,7 @@ static void handle_irq_beacon(struct b43_wldev *dev)
b43_write_beacon_template(dev, 0x68, 0x18,
B43_CCK_RATE_1MB);
b43_write_probe_resp_template(dev, 0x268, 0x4A,
- B43_CCK_RATE_11MB);
+ &__b43_ratetable[3]);
wl->beacon0_uploaded = 1;
}
cmd |= B43_MACCMD_BEACON0_VALID;
@@ -1484,11 +1594,10 @@ static void b43_interrupt_tasklet(struct b43_wldev *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);
+ 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 +2154,7 @@ 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);
@@ -2069,7 +2178,7 @@ 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;
@@ -2603,10 +2712,178 @@ out:
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(&params, 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;
}
@@ -2643,45 +2920,6 @@ 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;
@@ -2701,28 +2939,64 @@ 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);
@@ -2744,8 +3018,8 @@ 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;
}
}
@@ -2753,8 +3027,8 @@ 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;
}
@@ -2764,7 +3038,7 @@ 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;
@@ -2822,28 +3096,14 @@ static int b43_op_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
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;
@@ -2863,8 +3123,8 @@ 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)) !=
@@ -3644,6 +3904,7 @@ 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. */
@@ -3685,6 +3946,7 @@ 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));
mutex_lock(&wl->mutex);
if (b43_status(dev) >= B43_STAT_STARTED)
@@ -3747,6 +4009,16 @@ static int b43_op_ibss_beacon_update(struct ieee80211_hw *hw,
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,
@@ -3763,6 +4035,7 @@ 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.
@@ -3806,31 +4079,23 @@ 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;
}
@@ -3912,7 +4177,7 @@ 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;
@@ -4042,7 +4307,7 @@ 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);
@@ -4058,6 +4323,7 @@ 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);
ssb_set_devtypedata(dev, wl);
b43info(wl, "Broadcom %04X WLAN found\n", dev->bus->chip_id);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.