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path: root/drivers/net/wireless/iwlwifi/iwl-agn.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c594
1 files changed, 488 insertions, 106 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 24aff654fa9c..35337b1e7cac 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -27,6 +27,8 @@
*
*****************************************************************************/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
@@ -120,7 +122,7 @@ int iwl_commit_rxon(struct iwl_priv *priv)
(priv->switch_rxon.channel != priv->staging_rxon.channel)) {
IWL_DEBUG_11H(priv, "abort channel switch on %d\n",
le16_to_cpu(priv->switch_rxon.channel));
- priv->switch_rxon.switch_in_progress = false;
+ iwl_chswitch_done(priv, false);
}
/* If we don't need to send a full RXON, we can use
@@ -292,9 +294,7 @@ static u32 iwl_fill_beacon_frame(struct iwl_priv *priv,
struct ieee80211_hdr *hdr,
int left)
{
- if (!iwl_is_associated(priv) || !priv->ibss_beacon ||
- ((priv->iw_mode != NL80211_IFTYPE_ADHOC) &&
- (priv->iw_mode != NL80211_IFTYPE_AP)))
+ if (!priv->ibss_beacon)
return 0;
if (priv->ibss_beacon->len > left)
@@ -367,7 +367,8 @@ static unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
/* Set up packet rate and flags */
rate = iwl_rate_get_lowest_plcp(priv);
- priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant);
+ priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
+ priv->hw_params.valid_tx_ant);
rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant);
if ((rate >= IWL_FIRST_CCK_RATE) && (rate <= IWL_LAST_CCK_RATE))
rate_flags |= RATE_MCS_CCK_MSK;
@@ -474,18 +475,25 @@ void iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq)
/* Unmap tx_cmd */
if (num_tbs)
pci_unmap_single(dev,
- pci_unmap_addr(&txq->meta[index], mapping),
- pci_unmap_len(&txq->meta[index], len),
+ dma_unmap_addr(&txq->meta[index], mapping),
+ dma_unmap_len(&txq->meta[index], len),
PCI_DMA_BIDIRECTIONAL);
/* Unmap chunks, if any. */
- for (i = 1; i < num_tbs; i++) {
+ for (i = 1; i < num_tbs; i++)
pci_unmap_single(dev, iwl_tfd_tb_get_addr(tfd, i),
iwl_tfd_tb_get_len(tfd, i), PCI_DMA_TODEVICE);
- if (txq->txb) {
- dev_kfree_skb(txq->txb[txq->q.read_ptr].skb[i - 1]);
- txq->txb[txq->q.read_ptr].skb[i - 1] = NULL;
+ /* free SKB */
+ if (txq->txb) {
+ struct sk_buff *skb;
+
+ skb = txq->txb[txq->q.read_ptr].skb;
+
+ /* can be called from irqs-disabled context */
+ if (skb) {
+ dev_kfree_skb_any(skb);
+ txq->txb[txq->q.read_ptr].skb = NULL;
}
}
}
@@ -851,6 +859,24 @@ int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src)
return 0;
}
+static void iwl_bg_tx_flush(struct work_struct *work)
+{
+ struct iwl_priv *priv =
+ container_of(work, struct iwl_priv, tx_flush);
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return;
+
+ /* do nothing if rf-kill is on */
+ if (!iwl_is_ready_rf(priv))
+ return;
+
+ if (priv->cfg->ops->lib->txfifo_flush) {
+ IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n");
+ iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
+ }
+}
+
/**
* iwl_setup_rx_handlers - Initialize Rx handler callbacks
*
@@ -933,6 +959,8 @@ void iwl_rx_handle(struct iwl_priv *priv)
fill_rx = 1;
while (i != r) {
+ int len;
+
rxb = rxq->queue[i];
/* If an RXB doesn't have a Rx queue slot associated with it,
@@ -947,8 +975,9 @@ void iwl_rx_handle(struct iwl_priv *priv)
PCI_DMA_FROMDEVICE);
pkt = rxb_addr(rxb);
- trace_iwlwifi_dev_rx(priv, pkt,
- le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
+ len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
+ len += sizeof(u32); /* account for status word */
+ trace_iwlwifi_dev_rx(priv, pkt, len);
/* Reclaim a command buffer only if this packet is a response
* to a (driver-originated) command.
@@ -1450,13 +1479,13 @@ bool iwl_good_ack_health(struct iwl_priv *priv,
actual_ack_cnt_delta =
le32_to_cpu(pkt->u.stats.tx.actual_ack_cnt) -
- le32_to_cpu(priv->statistics.tx.actual_ack_cnt);
+ le32_to_cpu(priv->_agn.statistics.tx.actual_ack_cnt);
expected_ack_cnt_delta =
le32_to_cpu(pkt->u.stats.tx.expected_ack_cnt) -
- le32_to_cpu(priv->statistics.tx.expected_ack_cnt);
+ le32_to_cpu(priv->_agn.statistics.tx.expected_ack_cnt);
ba_timeout_delta =
le32_to_cpu(pkt->u.stats.tx.agg.ba_timeout) -
- le32_to_cpu(priv->statistics.tx.agg.ba_timeout);
+ le32_to_cpu(priv->_agn.statistics.tx.agg.ba_timeout);
if ((priv->_agn.agg_tids_count > 0) &&
(expected_ack_cnt_delta > 0) &&
(((actual_ack_cnt_delta * 100) / expected_ack_cnt_delta)
@@ -1466,12 +1495,17 @@ bool iwl_good_ack_health(struct iwl_priv *priv,
" expected_ack_cnt = %d\n",
actual_ack_cnt_delta, expected_ack_cnt_delta);
-#ifdef CONFIG_IWLWIFI_DEBUG
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ /*
+ * This is ifdef'ed on DEBUGFS because otherwise the
+ * statistics aren't available. If DEBUGFS is set but
+ * DEBUG is not, these will just compile out.
+ */
IWL_DEBUG_RADIO(priv, "rx_detected_cnt delta = %d\n",
- priv->delta_statistics.tx.rx_detected_cnt);
+ priv->_agn.delta_statistics.tx.rx_detected_cnt);
IWL_DEBUG_RADIO(priv,
"ack_or_ba_timeout_collision delta = %d\n",
- priv->delta_statistics.tx.
+ priv->_agn.delta_statistics.tx.
ack_or_ba_timeout_collision);
#endif
IWL_DEBUG_RADIO(priv, "agg ba_timeout delta = %d\n",
@@ -1658,6 +1692,7 @@ static void iwl_nic_start(struct iwl_priv *priv)
struct iwlagn_ucode_capabilities {
u32 max_probe_length;
+ u32 standard_phy_calibration_size;
};
static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
@@ -1694,6 +1729,9 @@ struct iwlagn_firmware_pieces {
size_t inst_size, data_size, init_size, init_data_size, boot_size;
u32 build;
+
+ u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
+ u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
};
static int iwlagn_load_legacy_firmware(struct iwl_priv *priv,
@@ -1787,12 +1825,20 @@ static int iwlagn_load_firmware(struct iwl_priv *priv,
const u8 *data;
int wanted_alternative = iwlagn_wanted_ucode_alternative, tmp;
u64 alternatives;
+ u32 tlv_len;
+ enum iwl_ucode_tlv_type tlv_type;
+ const u8 *tlv_data;
- if (len < sizeof(*ucode))
+ if (len < sizeof(*ucode)) {
+ IWL_ERR(priv, "uCode has invalid length: %zd\n", len);
return -EINVAL;
+ }
- if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC))
+ if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
+ IWL_ERR(priv, "invalid uCode magic: 0X%x\n",
+ le32_to_cpu(ucode->magic));
return -EINVAL;
+ }
/*
* Check which alternatives are present, and "downgrade"
@@ -1818,10 +1864,7 @@ static int iwlagn_load_firmware(struct iwl_priv *priv,
len -= sizeof(*ucode);
while (len >= sizeof(*tlv)) {
- u32 tlv_len;
- enum iwl_ucode_tlv_type tlv_type;
u16 tlv_alt;
- const u8 *tlv_data;
len -= sizeof(*tlv);
tlv = (void *)data;
@@ -1831,8 +1874,11 @@ static int iwlagn_load_firmware(struct iwl_priv *priv,
tlv_alt = le16_to_cpu(tlv->alternative);
tlv_data = tlv->data;
- if (len < tlv_len)
+ if (len < tlv_len) {
+ IWL_ERR(priv, "invalid TLV len: %zd/%u\n",
+ len, tlv_len);
return -EINVAL;
+ }
len -= ALIGN(tlv_len, 4);
data += sizeof(*tlv) + ALIGN(tlv_len, 4);
@@ -1866,20 +1912,77 @@ static int iwlagn_load_firmware(struct iwl_priv *priv,
pieces->boot_size = tlv_len;
break;
case IWL_UCODE_TLV_PROBE_MAX_LEN:
- if (tlv_len != 4)
- return -EINVAL;
+ if (tlv_len != sizeof(u32))
+ goto invalid_tlv_len;
capa->max_probe_length =
- le32_to_cpup((__le32 *)tlv_data);
+ le32_to_cpup((__le32 *)tlv_data);
+ break;
+ case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
+ if (tlv_len != sizeof(u32))
+ goto invalid_tlv_len;
+ pieces->init_evtlog_ptr =
+ le32_to_cpup((__le32 *)tlv_data);
+ break;
+ case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
+ if (tlv_len != sizeof(u32))
+ goto invalid_tlv_len;
+ pieces->init_evtlog_size =
+ le32_to_cpup((__le32 *)tlv_data);
+ break;
+ case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
+ if (tlv_len != sizeof(u32))
+ goto invalid_tlv_len;
+ pieces->init_errlog_ptr =
+ le32_to_cpup((__le32 *)tlv_data);
+ break;
+ case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
+ if (tlv_len != sizeof(u32))
+ goto invalid_tlv_len;
+ pieces->inst_evtlog_ptr =
+ le32_to_cpup((__le32 *)tlv_data);
+ break;
+ case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
+ if (tlv_len != sizeof(u32))
+ goto invalid_tlv_len;
+ pieces->inst_evtlog_size =
+ le32_to_cpup((__le32 *)tlv_data);
+ break;
+ case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
+ if (tlv_len != sizeof(u32))
+ goto invalid_tlv_len;
+ pieces->inst_errlog_ptr =
+ le32_to_cpup((__le32 *)tlv_data);
+ break;
+ case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
+ if (tlv_len)
+ goto invalid_tlv_len;
+ priv->enhance_sensitivity_table = true;
+ break;
+ case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
+ if (tlv_len != sizeof(u32))
+ goto invalid_tlv_len;
+ capa->standard_phy_calibration_size =
+ le32_to_cpup((__le32 *)tlv_data);
break;
default:
+ IWL_WARN(priv, "unknown TLV: %d\n", tlv_type);
break;
}
}
- if (len)
+ if (len) {
+ IWL_ERR(priv, "invalid TLV after parsing: %zd\n", len);
+ iwl_print_hex_dump(priv, IWL_DL_FW, (u8 *)data, len);
return -EINVAL;
+ }
return 0;
+
+ invalid_tlv_len:
+ IWL_ERR(priv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
+ iwl_print_hex_dump(priv, IWL_DL_FW, tlv_data, tlv_len);
+
+ return -EINVAL;
}
/**
@@ -1901,6 +2004,8 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
u32 build;
struct iwlagn_ucode_capabilities ucode_capa = {
.max_probe_length = 200,
+ .standard_phy_calibration_size =
+ IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE,
};
memset(&pieces, 0, sizeof(pieces));
@@ -2063,6 +2168,26 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
goto err_pci_alloc;
}
+ /* Now that we can no longer fail, copy information */
+
+ /*
+ * The (size - 16) / 12 formula is based on the information recorded
+ * for each event, which is of mode 1 (including timestamp) for all
+ * new microcodes that include this information.
+ */
+ priv->_agn.init_evtlog_ptr = pieces.init_evtlog_ptr;
+ if (pieces.init_evtlog_size)
+ priv->_agn.init_evtlog_size = (pieces.init_evtlog_size - 16)/12;
+ else
+ priv->_agn.init_evtlog_size = priv->cfg->max_event_log_size;
+ priv->_agn.init_errlog_ptr = pieces.init_errlog_ptr;
+ priv->_agn.inst_evtlog_ptr = pieces.inst_evtlog_ptr;
+ if (pieces.inst_evtlog_size)
+ priv->_agn.inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12;
+ else
+ priv->_agn.inst_evtlog_size = priv->cfg->max_event_log_size;
+ priv->_agn.inst_errlog_ptr = pieces.inst_errlog_ptr;
+
/* Copy images into buffers for card's bus-master reads ... */
/* Runtime instructions (first block of data in file) */
@@ -2102,6 +2227,20 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
pieces.boot_size);
memcpy(priv->ucode_boot.v_addr, pieces.boot, pieces.boot_size);
+ /*
+ * figure out the offset of chain noise reset and gain commands
+ * base on the size of standard phy calibration commands table size
+ */
+ if (ucode_capa.standard_phy_calibration_size >
+ IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
+ ucode_capa.standard_phy_calibration_size =
+ IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
+
+ priv->_agn.phy_calib_chain_noise_reset_cmd =
+ ucode_capa.standard_phy_calibration_size;
+ priv->_agn.phy_calib_chain_noise_gain_cmd =
+ ucode_capa.standard_phy_calibration_size + 1;
+
/**************************************************
* This is still part of probe() in a sense...
*
@@ -2172,17 +2311,41 @@ static const char *desc_lookup_text[] = {
"DEBUG_1",
"DEBUG_2",
"DEBUG_3",
- "ADVANCED SYSASSERT"
};
-static const char *desc_lookup(int i)
+static struct { char *name; u8 num; } advanced_lookup[] = {
+ { "NMI_INTERRUPT_WDG", 0x34 },
+ { "SYSASSERT", 0x35 },
+ { "UCODE_VERSION_MISMATCH", 0x37 },
+ { "BAD_COMMAND", 0x38 },
+ { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
+ { "FATAL_ERROR", 0x3D },
+ { "NMI_TRM_HW_ERR", 0x46 },
+ { "NMI_INTERRUPT_TRM", 0x4C },
+ { "NMI_INTERRUPT_BREAK_POINT", 0x54 },
+ { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
+ { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
+ { "NMI_INTERRUPT_HOST", 0x66 },
+ { "NMI_INTERRUPT_ACTION_PT", 0x7C },
+ { "NMI_INTERRUPT_UNKNOWN", 0x84 },
+ { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
+ { "ADVANCED_SYSASSERT", 0 },
+};
+
+static const char *desc_lookup(u32 num)
{
- int max = ARRAY_SIZE(desc_lookup_text) - 1;
+ int i;
+ int max = ARRAY_SIZE(desc_lookup_text);
- if (i < 0 || i > max)
- i = max;
+ if (num < max)
+ return desc_lookup_text[num];
- return desc_lookup_text[i];
+ max = ARRAY_SIZE(advanced_lookup) - 1;
+ for (i = 0; i < max; i++) {
+ if (advanced_lookup[i].num == num)
+ break;;
+ }
+ return advanced_lookup[i].name;
}
#define ERROR_START_OFFSET (1 * sizeof(u32))
@@ -2195,10 +2358,15 @@ void iwl_dump_nic_error_log(struct iwl_priv *priv)
u32 blink1, blink2, ilink1, ilink2;
u32 pc, hcmd;
- if (priv->ucode_type == UCODE_INIT)
+ if (priv->ucode_type == UCODE_INIT) {
base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr);
- else
+ if (!base)
+ base = priv->_agn.init_errlog_ptr;
+ } else {
base = le32_to_cpu(priv->card_alive.error_event_table_ptr);
+ if (!base)
+ base = priv->_agn.inst_errlog_ptr;
+ }
if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
IWL_ERR(priv,
@@ -2230,9 +2398,9 @@ void iwl_dump_nic_error_log(struct iwl_priv *priv)
trace_iwlwifi_dev_ucode_error(priv, desc, time, data1, data2, line,
blink1, blink2, ilink1, ilink2);
- IWL_ERR(priv, "Desc Time "
+ IWL_ERR(priv, "Desc Time "
"data1 data2 line\n");
- IWL_ERR(priv, "%-28s (#%02d) %010u 0x%08X 0x%08X %u\n",
+ IWL_ERR(priv, "%-28s (0x%04X) %010u 0x%08X 0x%08X %u\n",
desc_lookup(desc), desc, time, data1, data2, line);
IWL_ERR(priv, "pc blink1 blink2 ilink1 ilink2 hcmd\n");
IWL_ERR(priv, "0x%05X 0x%05X 0x%05X 0x%05X 0x%05X 0x%05X\n",
@@ -2258,10 +2426,16 @@ static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
if (num_events == 0)
return pos;
- if (priv->ucode_type == UCODE_INIT)
+
+ if (priv->ucode_type == UCODE_INIT) {
base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
- else
+ if (!base)
+ base = priv->_agn.init_evtlog_ptr;
+ } else {
base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
+ if (!base)
+ base = priv->_agn.inst_evtlog_ptr;
+ }
if (mode == 0)
event_size = 2 * sizeof(u32);
@@ -2363,13 +2537,21 @@ int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
u32 num_wraps; /* # times uCode wrapped to top of log */
u32 next_entry; /* index of next entry to be written by uCode */
u32 size; /* # entries that we'll print */
+ u32 logsize;
int pos = 0;
size_t bufsz = 0;
- if (priv->ucode_type == UCODE_INIT)
+ if (priv->ucode_type == UCODE_INIT) {
base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
- else
+ logsize = priv->_agn.init_evtlog_size;
+ if (!base)
+ base = priv->_agn.init_evtlog_ptr;
+ } else {
base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
+ logsize = priv->_agn.inst_evtlog_size;
+ if (!base)
+ base = priv->_agn.inst_evtlog_ptr;
+ }
if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
IWL_ERR(priv,
@@ -2384,16 +2566,16 @@ int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32)));
next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32)));
- if (capacity > priv->cfg->max_event_log_size) {
+ if (capacity > logsize) {
IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n",
- capacity, priv->cfg->max_event_log_size);
- capacity = priv->cfg->max_event_log_size;
+ capacity, logsize);
+ capacity = logsize;
}
- if (next_entry > priv->cfg->max_event_log_size) {
+ if (next_entry > logsize) {
IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n",
- next_entry, priv->cfg->max_event_log_size);
- next_entry = priv->cfg->max_event_log_size;
+ next_entry, logsize);
+ next_entry = logsize;
}
size = num_wraps ? capacity : next_entry;
@@ -2518,8 +2700,6 @@ static void iwl_alive_start(struct iwl_priv *priv)
if (priv->cfg->ops->hcmd->set_rxon_chain)
priv->cfg->ops->hcmd->set_rxon_chain(priv);
-
- memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
}
/* Configure Bluetooth device coexistence support */
@@ -2843,9 +3023,17 @@ static void iwl_bg_run_time_calib_work(struct work_struct *work)
}
if (priv->start_calib) {
- iwl_chain_noise_calibration(priv, &priv->statistics);
-
- iwl_sensitivity_calibration(priv, &priv->statistics);
+ if (priv->cfg->bt_statistics) {
+ iwl_chain_noise_calibration(priv,
+ (void *)&priv->_agn.statistics_bt);
+ iwl_sensitivity_calibration(priv,
+ (void *)&priv->_agn.statistics_bt);
+ } else {
+ iwl_chain_noise_calibration(priv,
+ (void *)&priv->_agn.statistics);
+ iwl_sensitivity_calibration(priv,
+ (void *)&priv->_agn.statistics);
+ }
}
mutex_unlock(&priv->mutex);
@@ -2934,20 +3122,16 @@ void iwl_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif)
IWL_DEBUG_ASSOC(priv, "assoc id %d beacon interval %d\n",
vif->bss_conf.aid, vif->bss_conf.beacon_int);
- if (vif->bss_conf.assoc_capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
+ if (vif->bss_conf.use_short_preamble)
priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
else
priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
- if (vif->bss_conf.assoc_capability &
- WLAN_CAPABILITY_SHORT_SLOT_TIME)
+ if (vif->bss_conf.use_short_slot)
priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
else
priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
-
- if (vif->type == NL80211_IFTYPE_ADHOC)
- priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
}
iwlcore_commit_rxon(priv);
@@ -3173,8 +3357,7 @@ void iwl_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif)
priv->staging_rxon.assoc_id = 0;
- if (vif->bss_conf.assoc_capability &
- WLAN_CAPABILITY_SHORT_PREAMBLE)
+ if (vif->bss_conf.use_short_preamble)
priv->staging_rxon.flags |=
RXON_FLG_SHORT_PREAMBLE_MSK;
else
@@ -3182,17 +3365,12 @@ void iwl_config_ap(struct iwl_priv *priv, struct ieee80211_vif *vif)
~RXON_FLG_SHORT_PREAMBLE_MSK;
if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) {
- if (vif->bss_conf.assoc_capability &
- WLAN_CAPABILITY_SHORT_SLOT_TIME)
+ if (vif->bss_conf.use_short_slot)
priv->staging_rxon.flags |=
RXON_FLG_SHORT_SLOT_MSK;
else
priv->staging_rxon.flags &=
~RXON_FLG_SHORT_SLOT_MSK;
-
- if (vif->type == NL80211_IFTYPE_ADHOC)
- priv->staging_rxon.flags &=
- ~RXON_FLG_SHORT_SLOT_MSK;
}
/* restore RXON assoc */
priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
@@ -3238,17 +3416,9 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
return -EOPNOTSUPP;
}
- if (sta) {
- sta_id = iwl_sta_id(sta);
-
- if (sta_id == IWL_INVALID_STATION) {
- IWL_DEBUG_MAC80211(priv, "leave - %pM not in station map.\n",
- sta->addr);
- return -EINVAL;
- }
- } else {
- sta_id = priv->hw_params.bcast_sta_id;
- }
+ sta_id = iwl_sta_id_or_broadcast(priv, sta);
+ if (sta_id == IWL_INVALID_STATION)
+ return -EINVAL;
mutex_lock(&priv->mutex);
iwl_scan_cancel_timeout(priv, 100);
@@ -3294,13 +3464,32 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
return ret;
}
+/*
+ * switch to RTS/CTS for TX
+ */
+static void iwl_enable_rts_cts(struct iwl_priv *priv)
+{
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return;
+
+ priv->staging_rxon.flags &= ~RXON_FLG_SELF_CTS_EN;
+ if (!test_bit(STATUS_SCANNING, &priv->status)) {
+ IWL_DEBUG_INFO(priv, "use RTS/CTS protection\n");
+ iwlcore_commit_rxon(priv);
+ } else {
+ /* scanning, defer the request until scan completed */
+ IWL_DEBUG_INFO(priv, "defer setting RTS/CTS protection\n");
+ }
+}
+
static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
enum ieee80211_ampdu_mlme_action action,
struct ieee80211_sta *sta, u16 tid, u16 *ssn)
{
struct iwl_priv *priv = hw->priv;
- int ret;
+ int ret = -EINVAL;
IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n",
sta->addr, tid);
@@ -3308,17 +3497,19 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
if (!(priv->cfg->sku & IWL_SKU_N))
return -EACCES;
+ mutex_lock(&priv->mutex);
+
switch (action) {
case IEEE80211_AMPDU_RX_START:
IWL_DEBUG_HT(priv, "start Rx\n");
- return iwl_sta_rx_agg_start(priv, sta, tid, *ssn);
+ ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn);
+ break;
case IEEE80211_AMPDU_RX_STOP:
IWL_DEBUG_HT(priv, "stop Rx\n");
ret = iwl_sta_rx_agg_stop(priv, sta, tid);
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return 0;
- else
- return ret;
+ ret = 0;
+ break;
case IEEE80211_AMPDU_TX_START:
IWL_DEBUG_HT(priv, "start Tx\n");
ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn);
@@ -3327,7 +3518,7 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
IWL_DEBUG_HT(priv, "priv->_agn.agg_tids_count = %u\n",
priv->_agn.agg_tids_count);
}
- return ret;
+ break;
case IEEE80211_AMPDU_TX_STOP:
IWL_DEBUG_HT(priv, "stop Tx\n");
ret = iwlagn_tx_agg_stop(priv, vif, sta, tid);
@@ -3337,18 +3528,22 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
priv->_agn.agg_tids_count);
}
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return 0;
- else
- return ret;
+ ret = 0;
+ break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
- /* do nothing */
- return -EOPNOTSUPP;
- default:
- IWL_DEBUG_HT(priv, "unknown\n");
- return -EINVAL;
+ if (priv->cfg->use_rts_for_ht) {
+ /*
+ * switch to RTS/CTS if it is the prefer protection
+ * method for HT traffic
+ */
+ iwl_enable_rts_cts(priv);
+ }
+ ret = 0;
break;
}
- return 0;
+ mutex_unlock(&priv->mutex);
+
+ return ret;
}
static void iwl_mac_sta_notify(struct ieee80211_hw *hw,
@@ -3423,6 +3618,136 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
return 0;
}
+static void iwl_mac_channel_switch(struct ieee80211_hw *hw,
+ struct ieee80211_channel_switch *ch_switch)
+{
+ struct iwl_priv *priv = hw->priv;
+ const struct iwl_channel_info *ch_info;
+ struct ieee80211_conf *conf = &hw->conf;
+ struct iwl_ht_config *ht_conf = &priv->current_ht_config;
+ u16 ch;
+ unsigned long flags = 0;
+
+ IWL_DEBUG_MAC80211(priv, "enter\n");
+
+ if (iwl_is_rfkill(priv))
+ goto out_exit;
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
+ test_bit(STATUS_SCANNING, &priv->status))
+ goto out_exit;
+
+ if (!iwl_is_associated(priv))
+ goto out_exit;
+
+ /* channel switch in progress */
+ if (priv->switch_rxon.switch_in_progress == true)
+ goto out_exit;
+
+ mutex_lock(&priv->mutex);
+ if (priv->cfg->ops->lib->set_channel_switch) {
+
+ ch = ieee80211_frequency_to_channel(
+ ch_switch->channel->center_freq);
+ if (le16_to_cpu(priv->active_rxon.channel) != ch) {
+ ch_info = iwl_get_channel_info(priv,
+ conf->channel->band,
+ ch);
+ if (!is_channel_valid(ch_info)) {
+ IWL_DEBUG_MAC80211(priv, "invalid channel\n");
+ goto out;
+ }
+ spin_lock_irqsave(&priv->lock, flags);
+
+ priv->current_ht_config.smps = conf->smps_mode;
+
+ /* Configure HT40 channels */
+ ht_conf->is_ht = conf_is_ht(conf);
+ if (ht_conf->is_ht) {
+ if (conf_is_ht40_minus(conf)) {
+ ht_conf->extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+ ht_conf->is_40mhz = true;
+ } else if (conf_is_ht40_plus(conf)) {
+ ht_conf->extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+ ht_conf->is_40mhz = true;
+ } else {
+ ht_conf->extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_NONE;
+ ht_conf->is_40mhz = false;
+ }
+ } else
+ ht_conf->is_40mhz = false;
+
+ /* if we are switching from ht to 2.4 clear flags
+ * from any ht related info since 2.4 does not
+ * support ht */
+ if ((le16_to_cpu(priv->staging_rxon.channel) != ch))
+ priv->staging_rxon.flags = 0;
+
+ iwl_set_rxon_channel(priv, conf->channel);
+ iwl_set_rxon_ht(priv, ht_conf);
+ iwl_set_flags_for_band(priv, conf->channel->band,
+ priv->vif);
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ iwl_set_rate(priv);
+ /*
+ * at this point, staging_rxon has the
+ * configuration for channel switch
+ */
+ if (priv->cfg->ops->lib->set_channel_switch(priv,
+ ch_switch))
+ priv->switch_rxon.switch_in_progress = false;
+ }
+ }
+out:
+ mutex_unlock(&priv->mutex);
+out_exit:
+ if (!priv->switch_rxon.switch_in_progress)
+ ieee80211_chswitch_done(priv->vif, false);
+ IWL_DEBUG_MAC80211(priv, "leave\n");
+}
+
+static void iwl_mac_flush(struct ieee80211_hw *hw, bool drop)
+{
+ struct iwl_priv *priv = hw->priv;
+
+ mutex_lock(&priv->mutex);
+ IWL_DEBUG_MAC80211(priv, "enter\n");
+
+ /* do not support "flush" */
+ if (!priv->cfg->ops->lib->txfifo_flush)
+ goto done;
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
+ IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n");
+ goto done;
+ }
+ if (iwl_is_rfkill(priv)) {
+ IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n");
+ goto done;
+ }
+
+ /*
+ * mac80211 will not push any more frames for transmit
+ * until the flush is completed
+ */
+ if (drop) {
+ IWL_DEBUG_MAC80211(priv, "send flush command\n");
+ if (priv->cfg->ops->lib->txfifo_flush(priv, IWL_DROP_ALL)) {
+ IWL_ERR(priv, "flush request fail\n");
+ goto done;
+ }
+ }
+ IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n");
+ iwlagn_wait_tx_queue_empty(priv);
+done:
+ mutex_unlock(&priv->mutex);
+ IWL_DEBUG_MAC80211(priv, "leave\n");
+}
+
/*****************************************************************************
*
* driver setup and teardown
@@ -3439,6 +3764,7 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv)
INIT_WORK(&priv->rx_replenish, iwl_bg_rx_replenish);
INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update);
INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work);
+ INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush);
INIT_DELAYED_WORK(&priv->init_alive_start, iwl_bg_init_alive_start);
INIT_DELAYED_WORK(&priv->alive_start, iwl_bg_alive_start);
@@ -3479,6 +3805,7 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv)
cancel_delayed_work(&priv->scan_check);
cancel_work_sync(&priv->start_internal_scan);
cancel_delayed_work(&priv->alive_start);
+ cancel_work_sync(&priv->run_time_calib_work);
cancel_work_sync(&priv->beacon_update);
del_timer_sync(&priv->statistics_periodic);
del_timer_sync(&priv->ucode_trace);
@@ -3594,6 +3921,8 @@ static struct ieee80211_ops iwl_hw_ops = {
.sta_notify = iwl_mac_sta_notify,
.sta_add = iwlagn_mac_sta_add,
.sta_remove = iwl_mac_sta_remove,
+ .channel_switch = iwl_mac_channel_switch,
+ .flush = iwl_mac_flush,
};
static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
@@ -3603,7 +3932,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
struct ieee80211_hw *hw;
struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
unsigned long flags;
- u16 pci_cmd;
+ u16 pci_cmd, num_mac;
/************************
* 1. Allocating HW data
@@ -3633,9 +3962,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
priv->pci_dev = pdev;
priv->inta_mask = CSR_INI_SET_MASK;
-#ifdef CONFIG_IWLWIFI_DEBUG
- atomic_set(&priv->restrict_refcnt, 0);
-#endif
if (iwl_alloc_traffic_mem(priv))
IWL_ERR(priv, "Not enough memory to generate traffic log\n");
@@ -3724,9 +4050,17 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto out_free_eeprom;
/* extract MAC Address */
- iwl_eeprom_get_mac(priv, priv->mac_addr);
- IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->mac_addr);
- SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr);
+ iwl_eeprom_get_mac(priv, priv->addresses[0].addr);
+ IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr);
+ priv->hw->wiphy->addresses = priv->addresses;
+ priv->hw->wiphy->n_addresses = 1;
+ num_mac = iwl_eeprom_query16(priv, EEPROM_NUM_MAC_ADDRESS);
+ if (num_mac > 1) {
+ memcpy(priv->addresses[1].addr, priv->addresses[0].addr,
+ ETH_ALEN);
+ priv->addresses[1].addr[5]++;
+ priv->hw->wiphy->n_addresses++;
+ }
/************************
* 5. Setup HW constants
@@ -3993,6 +4327,47 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
{IWL_PCI_DEVICE(0x0082, 0x1201, iwl6000g2a_2agn_cfg)},
{IWL_PCI_DEVICE(0x0085, 0x1211, iwl6000g2a_2agn_cfg)},
{IWL_PCI_DEVICE(0x0082, 0x1221, iwl6000g2a_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x0082, 0x1206, iwl6000g2a_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x0085, 0x1216, iwl6000g2a_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x0082, 0x1226, iwl6000g2a_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x0082, 0x1207, iwl6000g2a_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x0082, 0x1301, iwl6000g2a_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x0082, 0x1306, iwl6000g2a_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x0082, 0x1307, iwl6000g2a_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x0082, 0x1321, iwl6000g2a_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x0082, 0x1326, iwl6000g2a_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x0085, 0x1311, iwl6000g2a_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x0085, 0x1316, iwl6000g2a_2abg_cfg)},
+
+/* 6x00 Series Gen2b */
+ {IWL_PCI_DEVICE(0x008F, 0x5105, iwl6000g2b_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0090, 0x5115, iwl6000g2b_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x008F, 0x5125, iwl6000g2b_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x008F, 0x5107, iwl6000g2b_bg_cfg)},
+ {IWL_PCI_DEVICE(0x008F, 0x5201, iwl6000g2b_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x0090, 0x5211, iwl6000g2b_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x008F, 0x5221, iwl6000g2b_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x008F, 0x5206, iwl6000g2b_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x0090, 0x5216, iwl6000g2b_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x008F, 0x5226, iwl6000g2b_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x008F, 0x5207, iwl6000g2b_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x008A, 0x5301, iwl6000g2b_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x008A, 0x5305, iwl6000g2b_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x008A, 0x5307, iwl6000g2b_bg_cfg)},
+ {IWL_PCI_DEVICE(0x008A, 0x5321, iwl6000g2b_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x008A, 0x5325, iwl6000g2b_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x008B, 0x5311, iwl6000g2b_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x008B, 0x5315, iwl6000g2b_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0090, 0x5211, iwl6000g2b_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x0090, 0x5215, iwl6000g2b_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0090, 0x5216, iwl6000g2b_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x0091, 0x5201, iwl6000g2b_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x0091, 0x5205, iwl6000g2b_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0091, 0x5206, iwl6000g2b_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x0091, 0x5207, iwl6000g2b_2bg_cfg)},
+ {IWL_PCI_DEVICE(0x0091, 0x5221, iwl6000g2b_2agn_cfg)},
+ {IWL_PCI_DEVICE(0x0091, 0x5225, iwl6000g2b_2bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0091, 0x5226, iwl6000g2b_2abg_cfg)},
/* 6x50 WiFi/WiMax Series */
{IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)},
@@ -4002,6 +4377,14 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
{IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)},
{IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)},
+/* 6x50 WiFi/WiMax Series Gen2 */
+ {IWL_PCI_DEVICE(0x0885, 0x1305, iwl6050g2_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0885, 0x1306, iwl6050g2_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0885, 0x1325, iwl6050g2_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0885, 0x1326, iwl6050g2_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0886, 0x1315, iwl6050g2_bgn_cfg)},
+ {IWL_PCI_DEVICE(0x0886, 0x1316, iwl6050g2_bgn_cfg)},
+
/* 1000 Series WiFi */
{IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)},
{IWL_PCI_DEVICE(0x0083, 0x1305, iwl1000_bgn_cfg)},
@@ -4036,19 +4419,18 @@ static int __init iwl_init(void)
{
int ret;
- printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION ", " DRV_VERSION "\n");
- printk(KERN_INFO DRV_NAME ": " DRV_COPYRIGHT "\n");
+ pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n");
+ pr_info(DRV_COPYRIGHT "\n");
ret = iwlagn_rate_control_register();
if (ret) {
- printk(KERN_ERR DRV_NAME
- "Unable to register rate control algorithm: %d\n", ret);
+ pr_err("Unable to register rate control algorithm: %d\n", ret);
return ret;
}
ret = pci_register_driver(&iwl_driver);
if (ret) {
- printk(KERN_ERR DRV_NAME "Unable to initialize PCI module\n");
+ pr_err("Unable to initialize PCI module\n");
goto error_register;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-07 04:46:08 +0000