/******************************************************************************
*
- * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
+ * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
*
*****************************************************************************/
+#include <linux/etherdevice.h>
#include "iwl-dev.h"
#include "iwl-agn.h"
-#include "iwl-core.h"
#include "iwl-agn-calib.h"
#include "iwl-trans.h"
-#include "iwl-shared.h"
+#include "iwl-modparams.h"
+
+/*
+ * initialize rxon structure with default values from eeprom
+ */
+void iwl_connection_init_rx_config(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx)
+{
+ const struct iwl_channel_info *ch_info;
+
+ memset(&ctx->staging, 0, sizeof(ctx->staging));
+
+ if (!ctx->vif) {
+ ctx->staging.dev_type = ctx->unused_devtype;
+ } else
+ switch (ctx->vif->type) {
+ case NL80211_IFTYPE_AP:
+ ctx->staging.dev_type = ctx->ap_devtype;
+ break;
+
+ case NL80211_IFTYPE_STATION:
+ ctx->staging.dev_type = ctx->station_devtype;
+ ctx->staging.filter_flags = RXON_FILTER_ACCEPT_GRP_MSK;
+ break;
+
+ case NL80211_IFTYPE_ADHOC:
+ ctx->staging.dev_type = ctx->ibss_devtype;
+ ctx->staging.flags = RXON_FLG_SHORT_PREAMBLE_MSK;
+ ctx->staging.filter_flags = RXON_FILTER_BCON_AWARE_MSK |
+ RXON_FILTER_ACCEPT_GRP_MSK;
+ break;
+
+ default:
+ IWL_ERR(priv, "Unsupported interface type %d\n",
+ ctx->vif->type);
+ break;
+ }
+
+#if 0
+ /* TODO: Figure out when short_preamble would be set and cache from
+ * that */
+ if (!hw_to_local(priv->hw)->short_preamble)
+ ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
+ else
+ ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
+#endif
+
+ ch_info = iwl_get_channel_info(priv, priv->band,
+ le16_to_cpu(ctx->active.channel));
+
+ if (!ch_info)
+ ch_info = &priv->channel_info[0];
+
+ ctx->staging.channel = cpu_to_le16(ch_info->channel);
+ priv->band = ch_info->band;
+
+ iwl_set_flags_for_band(priv, ctx, priv->band, ctx->vif);
+
+ /* clear both MIX and PURE40 mode flag */
+ ctx->staging.flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED |
+ RXON_FLG_CHANNEL_MODE_PURE_40);
+ if (ctx->vif)
+ memcpy(ctx->staging.node_addr, ctx->vif->addr, ETH_ALEN);
+
+ ctx->staging.ofdm_ht_single_stream_basic_rates = 0xff;
+ ctx->staging.ofdm_ht_dual_stream_basic_rates = 0xff;
+ ctx->staging.ofdm_ht_triple_stream_basic_rates = 0xff;
+}
static int iwlagn_disable_bss(struct iwl_priv *priv,
struct iwl_rxon_context *ctx,
int ret;
send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd,
+ ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd,
CMD_SYNC, sizeof(*send), send);
send->filter_flags = old_filter;
__le32 old_filter = send->filter_flags;
u8 old_dev_type = send->dev_type;
int ret;
+ static const u8 deactivate_cmd[] = {
+ REPLY_WIPAN_DEACTIVATION_COMPLETE
+ };
- iwl_init_notification_wait(priv->shrd, &disable_wait,
- REPLY_WIPAN_DEACTIVATION_COMPLETE,
- NULL, NULL);
+ iwl_init_notification_wait(&priv->notif_wait, &disable_wait,
+ deactivate_cmd, ARRAY_SIZE(deactivate_cmd),
+ NULL, NULL);
send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
send->dev_type = RXON_DEV_TYPE_P2P;
- ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd,
+ ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd,
CMD_SYNC, sizeof(*send), send);
send->filter_flags = old_filter;
if (ret) {
IWL_ERR(priv, "Error disabling PAN (%d)\n", ret);
- iwl_remove_notification(priv->shrd, &disable_wait);
+ iwl_remove_notification(&priv->notif_wait, &disable_wait);
} else {
- ret = iwl_wait_notification(priv->shrd, &disable_wait, HZ);
+ ret = iwl_wait_notification(&priv->notif_wait,
+ &disable_wait, HZ);
if (ret)
IWL_ERR(priv, "Timed out waiting for PAN disable\n");
}
int ret;
send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, CMD_SYNC,
+ ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd, CMD_SYNC,
sizeof(*send), send);
send->filter_flags = old_filter;
return ret;
}
-static void iwlagn_update_qos(struct iwl_priv *priv,
- struct iwl_rxon_context *ctx)
+void iwlagn_update_qos(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{
int ret;
ctx->qos_data.qos_active,
ctx->qos_data.def_qos_parm.qos_flags);
- ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->qos_cmd, CMD_SYNC,
+ ret = iwl_dvm_send_cmd_pdu(priv, ctx->qos_cmd, CMD_SYNC,
sizeof(struct iwl_qosparam_cmd),
&ctx->qos_data.def_qos_parm);
if (ret)
IWL_DEBUG_QUIET_RFKILL(priv, "Failed to update QoS\n");
}
-static int iwlagn_update_beacon(struct iwl_priv *priv,
- struct ieee80211_vif *vif)
+int iwlagn_update_beacon(struct iwl_priv *priv,
+ struct ieee80211_vif *vif)
{
- lockdep_assert_held(&priv->shrd->mutex);
+ lockdep_assert_held(&priv->mutex);
dev_kfree_skb(priv->beacon_skb);
priv->beacon_skb = ieee80211_beacon_get(priv->hw, vif);
ctx->staging.ofdm_ht_triple_stream_basic_rates;
rxon_assoc.acquisition_data = ctx->staging.acquisition_data;
- ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_assoc_cmd,
+ ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_assoc_cmd,
CMD_ASYNC, sizeof(rxon_assoc), &rxon_assoc);
return ret;
}
+static u16 iwl_adjust_beacon_interval(u16 beacon_val, u16 max_beacon_val)
+{
+ u16 new_val;
+ u16 beacon_factor;
+
+ /*
+ * If mac80211 hasn't given us a beacon interval, program
+ * the default into the device (not checking this here
+ * would cause the adjustment below to return the maximum
+ * value, which may break PAN.)
+ */
+ if (!beacon_val)
+ return DEFAULT_BEACON_INTERVAL;
+
+ /*
+ * If the beacon interval we obtained from the peer
+ * is too large, we'll have to wake up more often
+ * (and in IBSS case, we'll beacon too much)
+ *
+ * For example, if max_beacon_val is 4096, and the
+ * requested beacon interval is 7000, we'll have to
+ * use 3500 to be able to wake up on the beacons.
+ *
+ * This could badly influence beacon detection stats.
+ */
+
+ beacon_factor = (beacon_val + max_beacon_val) / max_beacon_val;
+ new_val = beacon_val / beacon_factor;
+
+ if (!new_val)
+ new_val = max_beacon_val;
+
+ return new_val;
+}
+
+static int iwl_send_rxon_timing(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx)
+{
+ u64 tsf;
+ s32 interval_tm, rem;
+ struct ieee80211_conf *conf = NULL;
+ u16 beacon_int;
+ struct ieee80211_vif *vif = ctx->vif;
+
+ conf = &priv->hw->conf;
+
+ lockdep_assert_held(&priv->mutex);
+
+ memset(&ctx->timing, 0, sizeof(struct iwl_rxon_time_cmd));
+
+ ctx->timing.timestamp = cpu_to_le64(priv->timestamp);
+ ctx->timing.listen_interval = cpu_to_le16(conf->listen_interval);
+
+ beacon_int = vif ? vif->bss_conf.beacon_int : 0;
+
+ /*
+ * TODO: For IBSS we need to get atim_window from mac80211,
+ * for now just always use 0
+ */
+ ctx->timing.atim_window = 0;
+
+ if (ctx->ctxid == IWL_RXON_CTX_PAN &&
+ (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION) &&
+ iwl_is_associated(priv, IWL_RXON_CTX_BSS) &&
+ priv->contexts[IWL_RXON_CTX_BSS].vif &&
+ priv->contexts[IWL_RXON_CTX_BSS].vif->bss_conf.beacon_int) {
+ ctx->timing.beacon_interval =
+ priv->contexts[IWL_RXON_CTX_BSS].timing.beacon_interval;
+ beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
+ } else if (ctx->ctxid == IWL_RXON_CTX_BSS &&
+ iwl_is_associated(priv, IWL_RXON_CTX_PAN) &&
+ priv->contexts[IWL_RXON_CTX_PAN].vif &&
+ priv->contexts[IWL_RXON_CTX_PAN].vif->bss_conf.beacon_int &&
+ (!iwl_is_associated_ctx(ctx) || !ctx->vif ||
+ !ctx->vif->bss_conf.beacon_int)) {
+ ctx->timing.beacon_interval =
+ priv->contexts[IWL_RXON_CTX_PAN].timing.beacon_interval;
+ beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
+ } else {
+ beacon_int = iwl_adjust_beacon_interval(beacon_int,
+ IWL_MAX_UCODE_BEACON_INTERVAL * TIME_UNIT);
+ ctx->timing.beacon_interval = cpu_to_le16(beacon_int);
+ }
+
+ ctx->beacon_int = beacon_int;
+
+ tsf = priv->timestamp; /* tsf is modifed by do_div: copy it */
+ interval_tm = beacon_int * TIME_UNIT;
+ rem = do_div(tsf, interval_tm);
+ ctx->timing.beacon_init_val = cpu_to_le32(interval_tm - rem);
+
+ ctx->timing.dtim_period = vif ? (vif->bss_conf.dtim_period ?: 1) : 1;
+
+ IWL_DEBUG_ASSOC(priv,
+ "beacon interval %d beacon timer %d beacon tim %d\n",
+ le16_to_cpu(ctx->timing.beacon_interval),
+ le32_to_cpu(ctx->timing.beacon_init_val),
+ le16_to_cpu(ctx->timing.atim_window));
+
+ return iwl_dvm_send_cmd_pdu(priv, ctx->rxon_timing_cmd,
+ CMD_SYNC, sizeof(ctx->timing), &ctx->timing);
+}
+
static int iwlagn_rxon_disconn(struct iwl_priv *priv,
struct iwl_rxon_context *ctx)
{
return 0;
}
+static int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
+{
+ int ret;
+ s8 prev_tx_power;
+ bool defer;
+ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
+
+ if (priv->calib_disabled & IWL_TX_POWER_CALIB_DISABLED)
+ return 0;
+
+ lockdep_assert_held(&priv->mutex);
+
+ if (priv->tx_power_user_lmt == tx_power && !force)
+ return 0;
+
+ if (tx_power < IWLAGN_TX_POWER_TARGET_POWER_MIN) {
+ IWL_WARN(priv,
+ "Requested user TXPOWER %d below lower limit %d.\n",
+ tx_power,
+ IWLAGN_TX_POWER_TARGET_POWER_MIN);
+ return -EINVAL;
+ }
+
+ if (tx_power > priv->tx_power_device_lmt) {
+ IWL_WARN(priv,
+ "Requested user TXPOWER %d above upper limit %d.\n",
+ tx_power, priv->tx_power_device_lmt);
+ return -EINVAL;
+ }
+
+ if (!iwl_is_ready_rf(priv))
+ return -EIO;
+
+ /* scan complete and commit_rxon use tx_power_next value,
+ * it always need to be updated for newest request */
+ priv->tx_power_next = tx_power;
+
+ /* do not set tx power when scanning or channel changing */
+ defer = test_bit(STATUS_SCANNING, &priv->status) ||
+ memcmp(&ctx->active, &ctx->staging, sizeof(ctx->staging));
+ if (defer && !force) {
+ IWL_DEBUG_INFO(priv, "Deferring tx power set\n");
+ return 0;
+ }
+
+ prev_tx_power = priv->tx_power_user_lmt;
+ priv->tx_power_user_lmt = tx_power;
+
+ ret = iwlagn_send_tx_power(priv);
+
+ /* if fail to set tx_power, restore the orig. tx power */
+ if (ret) {
+ priv->tx_power_user_lmt = prev_tx_power;
+ priv->tx_power_next = prev_tx_power;
+ }
+ return ret;
+}
+
static int iwlagn_rxon_connect(struct iwl_priv *priv,
struct iwl_rxon_context *ctx)
{
* Associated RXON doesn't clear the station table in uCode,
* so we don't need to restore stations etc. after this.
*/
- ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, CMD_SYNC,
+ ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd, CMD_SYNC,
sizeof(struct iwl_rxon_cmd), &ctx->staging);
if (ret) {
IWL_ERR(priv, "Error setting new RXON (%d)\n", ret);
}
memcpy(active, &ctx->staging, sizeof(*active));
- iwl_reprogram_ap_sta(priv, ctx);
-
/* IBSS beacon needs to be sent after setting assoc */
if (ctx->vif && (ctx->vif->type == NL80211_IFTYPE_ADHOC))
if (iwlagn_update_beacon(priv, ctx->vif))
}
if (ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION &&
- cfg(priv)->ht_params && cfg(priv)->ht_params->smps_mode)
+ priv->cfg->ht_params && priv->cfg->ht_params->smps_mode)
ieee80211_request_smps(ctx->vif,
- cfg(priv)->ht_params->smps_mode);
+ priv->cfg->ht_params->smps_mode);
return 0;
}
int slot0 = 300, slot1 = 0;
int ret;
- if (priv->shrd->valid_contexts == BIT(IWL_RXON_CTX_BSS))
+ if (priv->valid_contexts == BIT(IWL_RXON_CTX_BSS))
return 0;
BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
- lockdep_assert_held(&priv->shrd->mutex);
+ lockdep_assert_held(&priv->mutex);
ctx_bss = &priv->contexts[IWL_RXON_CTX_BSS];
ctx_pan = &priv->contexts[IWL_RXON_CTX_PAN];
slot0 = bcnint / 2;
slot1 = bcnint - slot0;
- if (test_bit(STATUS_SCAN_HW, &priv->shrd->status) ||
+ if (test_bit(STATUS_SCAN_HW, &priv->status) ||
(!ctx_bss->vif->bss_conf.idle &&
!ctx_bss->vif->bss_conf.assoc)) {
slot0 = dtim * bcnint * 3 - IWL_MIN_SLOT_TIME;
ctx_pan->beacon_int;
slot1 = max_t(int, DEFAULT_BEACON_INTERVAL, slot1);
- if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) {
+ if (test_bit(STATUS_SCAN_HW, &priv->status)) {
slot0 = slot1 * 3 - IWL_MIN_SLOT_TIME;
slot1 = IWL_MIN_SLOT_TIME;
}
cmd.slots[0].width = cpu_to_le16(slot0);
cmd.slots[1].width = cpu_to_le16(slot1);
- ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WIPAN_PARAMS, CMD_SYNC,
+ ret = iwl_dvm_send_cmd_pdu(priv, REPLY_WIPAN_PARAMS, CMD_SYNC,
sizeof(cmd), &cmd);
if (ret)
IWL_ERR(priv, "Error setting PAN parameters (%d)\n", ret);
return ret;
}
+static void _iwl_set_rxon_ht(struct iwl_priv *priv,
+ struct iwl_ht_config *ht_conf,
+ struct iwl_rxon_context *ctx)
+{
+ struct iwl_rxon_cmd *rxon = &ctx->staging;
+
+ if (!ctx->ht.enabled) {
+ rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
+ RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK |
+ RXON_FLG_HT40_PROT_MSK |
+ RXON_FLG_HT_PROT_MSK);
+ return;
+ }
+
+ /* FIXME: if the definition of ht.protection changed, the "translation"
+ * will be needed for rxon->flags
+ */
+ rxon->flags |= cpu_to_le32(ctx->ht.protection <<
+ RXON_FLG_HT_OPERATING_MODE_POS);
+
+ /* Set up channel bandwidth:
+ * 20 MHz only, 20/40 mixed or pure 40 if ht40 ok */
+ /* clear the HT channel mode before set the mode */
+ rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
+ RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
+ if (iwl_is_ht40_tx_allowed(priv, ctx, NULL)) {
+ /* pure ht40 */
+ if (ctx->ht.protection ==
+ IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) {
+ rxon->flags |= RXON_FLG_CHANNEL_MODE_PURE_40;
+ /*
+ * Note: control channel is opposite of extension
+ * channel
+ */
+ switch (ctx->ht.extension_chan_offset) {
+ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
+ rxon->flags &=
+ ~RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
+ break;
+ case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
+ rxon->flags |=
+ RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
+ break;
+ }
+ } else {
+ /*
+ * Note: control channel is opposite of extension
+ * channel
+ */
+ switch (ctx->ht.extension_chan_offset) {
+ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
+ rxon->flags &=
+ ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
+ rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED;
+ break;
+ case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
+ rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
+ rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED;
+ break;
+ case IEEE80211_HT_PARAM_CHA_SEC_NONE:
+ default:
+ /*
+ * channel location only valid if in Mixed
+ * mode
+ */
+ IWL_ERR(priv,
+ "invalid extension channel offset\n");
+ break;
+ }
+ }
+ } else {
+ rxon->flags |= RXON_FLG_CHANNEL_MODE_LEGACY;
+ }
+
+ iwlagn_set_rxon_chain(priv, ctx);
+
+ IWL_DEBUG_ASSOC(priv, "rxon flags 0x%X operation mode :0x%X "
+ "extension channel offset 0x%x\n",
+ le32_to_cpu(rxon->flags), ctx->ht.protection,
+ ctx->ht.extension_chan_offset);
+}
+
+void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
+{
+ struct iwl_rxon_context *ctx;
+
+ for_each_context(priv, ctx)
+ _iwl_set_rxon_ht(priv, ht_conf, ctx);
+}
+
+/**
+ * iwl_set_rxon_channel - Set the band and channel values in staging RXON
+ * @ch: requested channel as a pointer to struct ieee80211_channel
+
+ * NOTE: Does not commit to the hardware; it sets appropriate bit fields
+ * in the staging RXON flag structure based on the ch->band
+ */
+void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
+ struct iwl_rxon_context *ctx)
+{
+ enum ieee80211_band band = ch->band;
+ u16 channel = ch->hw_value;
+
+ if ((le16_to_cpu(ctx->staging.channel) == channel) &&
+ (priv->band == band))
+ return;
+
+ ctx->staging.channel = cpu_to_le16(channel);
+ if (band == IEEE80211_BAND_5GHZ)
+ ctx->staging.flags &= ~RXON_FLG_BAND_24G_MSK;
+ else
+ ctx->staging.flags |= RXON_FLG_BAND_24G_MSK;
+
+ priv->band = band;
+
+ IWL_DEBUG_INFO(priv, "Staging channel set to %d [%d]\n", channel, band);
+
+}
+
+void iwl_set_flags_for_band(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx,
+ enum ieee80211_band band,
+ struct ieee80211_vif *vif)
+{
+ if (band == IEEE80211_BAND_5GHZ) {
+ ctx->staging.flags &=
+ ~(RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK
+ | RXON_FLG_CCK_MSK);
+ ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
+ } else {
+ /* Copied from iwl_post_associate() */
+ if (vif && vif->bss_conf.use_short_slot)
+ ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
+ else
+ ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
+
+ ctx->staging.flags |= RXON_FLG_BAND_24G_MSK;
+ ctx->staging.flags |= RXON_FLG_AUTO_DETECT_MSK;
+ ctx->staging.flags &= ~RXON_FLG_CCK_MSK;
+ }
+}
+
+static void iwl_set_rxon_hwcrypto(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx, int hw_decrypt)
+{
+ struct iwl_rxon_cmd *rxon = &ctx->staging;
+
+ if (hw_decrypt)
+ rxon->filter_flags &= ~RXON_FILTER_DIS_DECRYPT_MSK;
+ else
+ rxon->filter_flags |= RXON_FILTER_DIS_DECRYPT_MSK;
+
+}
+
+/* validate RXON structure is valid */
+static int iwl_check_rxon_cmd(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx)
+{
+ struct iwl_rxon_cmd *rxon = &ctx->staging;
+ u32 errors = 0;
+
+ if (rxon->flags & RXON_FLG_BAND_24G_MSK) {
+ if (rxon->flags & RXON_FLG_TGJ_NARROW_BAND_MSK) {
+ IWL_WARN(priv, "check 2.4G: wrong narrow\n");
+ errors |= BIT(0);
+ }
+ if (rxon->flags & RXON_FLG_RADAR_DETECT_MSK) {
+ IWL_WARN(priv, "check 2.4G: wrong radar\n");
+ errors |= BIT(1);
+ }
+ } else {
+ if (!(rxon->flags & RXON_FLG_SHORT_SLOT_MSK)) {
+ IWL_WARN(priv, "check 5.2G: not short slot!\n");
+ errors |= BIT(2);
+ }
+ if (rxon->flags & RXON_FLG_CCK_MSK) {
+ IWL_WARN(priv, "check 5.2G: CCK!\n");
+ errors |= BIT(3);
+ }
+ }
+ if ((rxon->node_addr[0] | rxon->bssid_addr[0]) & 0x1) {
+ IWL_WARN(priv, "mac/bssid mcast!\n");
+ errors |= BIT(4);
+ }
+
+ /* make sure basic rates 6Mbps and 1Mbps are supported */
+ if ((rxon->ofdm_basic_rates & IWL_RATE_6M_MASK) == 0 &&
+ (rxon->cck_basic_rates & IWL_RATE_1M_MASK) == 0) {
+ IWL_WARN(priv, "neither 1 nor 6 are basic\n");
+ errors |= BIT(5);
+ }
+
+ if (le16_to_cpu(rxon->assoc_id) > 2007) {
+ IWL_WARN(priv, "aid > 2007\n");
+ errors |= BIT(6);
+ }
+
+ if ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK))
+ == (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK)) {
+ IWL_WARN(priv, "CCK and short slot\n");
+ errors |= BIT(7);
+ }
+
+ if ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK))
+ == (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK)) {
+ IWL_WARN(priv, "CCK and auto detect");
+ errors |= BIT(8);
+ }
+
+ if ((rxon->flags & (RXON_FLG_AUTO_DETECT_MSK |
+ RXON_FLG_TGG_PROTECT_MSK)) ==
+ RXON_FLG_TGG_PROTECT_MSK) {
+ IWL_WARN(priv, "TGg but no auto-detect\n");
+ errors |= BIT(9);
+ }
+
+ if (rxon->channel == 0) {
+ IWL_WARN(priv, "zero channel is invalid\n");
+ errors |= BIT(10);
+ }
+
+ WARN(errors, "Invalid RXON (%#x), channel %d",
+ errors, le16_to_cpu(rxon->channel));
+
+ return errors ? -EINVAL : 0;
+}
+
+/**
+ * iwl_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed
+ * @priv: staging_rxon is compared to active_rxon
+ *
+ * If the RXON structure is changing enough to require a new tune,
+ * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that
+ * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required.
+ */
+int iwl_full_rxon_required(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx)
+{
+ const struct iwl_rxon_cmd *staging = &ctx->staging;
+ const struct iwl_rxon_cmd *active = &ctx->active;
+
+#define CHK(cond) \
+ if ((cond)) { \
+ IWL_DEBUG_INFO(priv, "need full RXON - " #cond "\n"); \
+ return 1; \
+ }
+
+#define CHK_NEQ(c1, c2) \
+ if ((c1) != (c2)) { \
+ IWL_DEBUG_INFO(priv, "need full RXON - " \
+ #c1 " != " #c2 " - %d != %d\n", \
+ (c1), (c2)); \
+ return 1; \
+ }
+
+ /* These items are only settable from the full RXON command */
+ CHK(!iwl_is_associated_ctx(ctx));
+ CHK(compare_ether_addr(staging->bssid_addr, active->bssid_addr));
+ CHK(compare_ether_addr(staging->node_addr, active->node_addr));
+ CHK(compare_ether_addr(staging->wlap_bssid_addr,
+ active->wlap_bssid_addr));
+ CHK_NEQ(staging->dev_type, active->dev_type);
+ CHK_NEQ(staging->channel, active->channel);
+ CHK_NEQ(staging->air_propagation, active->air_propagation);
+ CHK_NEQ(staging->ofdm_ht_single_stream_basic_rates,
+ active->ofdm_ht_single_stream_basic_rates);
+ CHK_NEQ(staging->ofdm_ht_dual_stream_basic_rates,
+ active->ofdm_ht_dual_stream_basic_rates);
+ CHK_NEQ(staging->ofdm_ht_triple_stream_basic_rates,
+ active->ofdm_ht_triple_stream_basic_rates);
+ CHK_NEQ(staging->assoc_id, active->assoc_id);
+
+ /* flags, filter_flags, ofdm_basic_rates, and cck_basic_rates can
+ * be updated with the RXON_ASSOC command -- however only some
+ * flag transitions are allowed using RXON_ASSOC */
+
+ /* Check if we are not switching bands */
+ CHK_NEQ(staging->flags & RXON_FLG_BAND_24G_MSK,
+ active->flags & RXON_FLG_BAND_24G_MSK);
+
+ /* Check if we are switching association toggle */
+ CHK_NEQ(staging->filter_flags & RXON_FILTER_ASSOC_MSK,
+ active->filter_flags & RXON_FILTER_ASSOC_MSK);
+
+#undef CHK
+#undef CHK_NEQ
+
+ return 0;
+}
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+void iwl_print_rx_config_cmd(struct iwl_priv *priv,
+ enum iwl_rxon_context_id ctxid)
+{
+ struct iwl_rxon_context *ctx = &priv->contexts[ctxid];
+ struct iwl_rxon_cmd *rxon = &ctx->staging;
+
+ IWL_DEBUG_RADIO(priv, "RX CONFIG:\n");
+ iwl_print_hex_dump(priv, IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon));
+ IWL_DEBUG_RADIO(priv, "u16 channel: 0x%x\n",
+ le16_to_cpu(rxon->channel));
+ IWL_DEBUG_RADIO(priv, "u32 flags: 0x%08X\n",
+ le32_to_cpu(rxon->flags));
+ IWL_DEBUG_RADIO(priv, "u32 filter_flags: 0x%08x\n",
+ le32_to_cpu(rxon->filter_flags));
+ IWL_DEBUG_RADIO(priv, "u8 dev_type: 0x%x\n", rxon->dev_type);
+ IWL_DEBUG_RADIO(priv, "u8 ofdm_basic_rates: 0x%02x\n",
+ rxon->ofdm_basic_rates);
+ IWL_DEBUG_RADIO(priv, "u8 cck_basic_rates: 0x%02x\n",
+ rxon->cck_basic_rates);
+ IWL_DEBUG_RADIO(priv, "u8[6] node_addr: %pM\n", rxon->node_addr);
+ IWL_DEBUG_RADIO(priv, "u8[6] bssid_addr: %pM\n", rxon->bssid_addr);
+ IWL_DEBUG_RADIO(priv, "u16 assoc_id: 0x%x\n",
+ le16_to_cpu(rxon->assoc_id));
+}
+#endif
+
+static void iwl_calc_basic_rates(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx)
+{
+ int lowest_present_ofdm = 100;
+ int lowest_present_cck = 100;
+ u8 cck = 0;
+ u8 ofdm = 0;
+
+ if (ctx->vif) {
+ struct ieee80211_supported_band *sband;
+ unsigned long basic = ctx->vif->bss_conf.basic_rates;
+ int i;
+
+ sband = priv->hw->wiphy->bands[priv->hw->conf.channel->band];
+
+ for_each_set_bit(i, &basic, BITS_PER_LONG) {
+ int hw = sband->bitrates[i].hw_value;
+ if (hw >= IWL_FIRST_OFDM_RATE) {
+ ofdm |= BIT(hw - IWL_FIRST_OFDM_RATE);
+ if (lowest_present_ofdm > hw)
+ lowest_present_ofdm = hw;
+ } else {
+ BUILD_BUG_ON(IWL_FIRST_CCK_RATE != 0);
+
+ cck |= BIT(hw);
+ if (lowest_present_cck > hw)
+ lowest_present_cck = hw;
+ }
+ }
+ }
+
+ /*
+ * Now we've got the basic rates as bitmaps in the ofdm and cck
+ * variables. This isn't sufficient though, as there might not
+ * be all the right rates in the bitmap. E.g. if the only basic
+ * rates are 5.5 Mbps and 11 Mbps, we still need to add 1 Mbps
+ * and 6 Mbps because the 802.11-2007 standard says in 9.6:
+ *
+ * [...] a STA responding to a received frame shall transmit
+ * its Control Response frame [...] at the highest rate in the
+ * BSSBasicRateSet parameter that is less than or equal to the
+ * rate of the immediately previous frame in the frame exchange
+ * sequence ([...]) and that is of the same modulation class
+ * ([...]) as the received frame. If no rate contained in the
+ * BSSBasicRateSet parameter meets these conditions, then the
+ * control frame sent in response to a received frame shall be
+ * transmitted at the highest mandatory rate of the PHY that is
+ * less than or equal to the rate of the received frame, and
+ * that is of the same modulation class as the received frame.
+ *
+ * As a consequence, we need to add all mandatory rates that are
+ * lower than all of the basic rates to these bitmaps.
+ */
+
+ if (IWL_RATE_24M_INDEX < lowest_present_ofdm)
+ ofdm |= IWL_RATE_24M_MASK >> IWL_FIRST_OFDM_RATE;
+ if (IWL_RATE_12M_INDEX < lowest_present_ofdm)
+ ofdm |= IWL_RATE_12M_MASK >> IWL_FIRST_OFDM_RATE;
+ /* 6M already there or needed so always add */
+ ofdm |= IWL_RATE_6M_MASK >> IWL_FIRST_OFDM_RATE;
+
+ /*
+ * CCK is a bit more complex with DSSS vs. HR/DSSS vs. ERP.
+ * Note, however:
+ * - if no CCK rates are basic, it must be ERP since there must
+ * be some basic rates at all, so they're OFDM => ERP PHY
+ * (or we're in 5 GHz, and the cck bitmap will never be used)
+ * - if 11M is a basic rate, it must be ERP as well, so add 5.5M
+ * - if 5.5M is basic, 1M and 2M are mandatory
+ * - if 2M is basic, 1M is mandatory
+ * - if 1M is basic, that's the only valid ACK rate.
+ * As a consequence, it's not as complicated as it sounds, just add
+ * any lower rates to the ACK rate bitmap.
+ */
+ if (IWL_RATE_11M_INDEX < lowest_present_ofdm)
+ ofdm |= IWL_RATE_11M_MASK >> IWL_FIRST_CCK_RATE;
+ if (IWL_RATE_5M_INDEX < lowest_present_ofdm)
+ ofdm |= IWL_RATE_5M_MASK >> IWL_FIRST_CCK_RATE;
+ if (IWL_RATE_2M_INDEX < lowest_present_ofdm)
+ ofdm |= IWL_RATE_2M_MASK >> IWL_FIRST_CCK_RATE;
+ /* 1M already there or needed so always add */
+ cck |= IWL_RATE_1M_MASK >> IWL_FIRST_CCK_RATE;
+
+ IWL_DEBUG_RATE(priv, "Set basic rates cck:0x%.2x ofdm:0x%.2x\n",
+ cck, ofdm);
+
+ /* "basic_rates" is a misnomer here -- should be called ACK rates */
+ ctx->staging.cck_basic_rates = cck;
+ ctx->staging.ofdm_basic_rates = ofdm;
+}
+
/**
* iwlagn_commit_rxon - commit staging_rxon to hardware
*
bool new_assoc = !!(ctx->staging.filter_flags & RXON_FILTER_ASSOC_MSK);
int ret;
- lockdep_assert_held(&priv->shrd->mutex);
+ lockdep_assert_held(&priv->mutex);
- if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
- return -EINVAL;
-
- if (!iwl_is_alive(priv->shrd))
+ if (!iwl_is_alive(priv))
return -EBUSY;
/* This function hardcodes a bunch of dual-mode assumptions */
if (!ctx->is_active)
return 0;
- /* override BSSID if necessary due to preauth */
- if (ctx->preauth_bssid)
- memcpy(ctx->staging.bssid_addr, ctx->bssid, ETH_ALEN);
-
/* always get timestamp with Rx frame */
ctx->staging.flags |= RXON_FLG_TSF2HOST_MSK;
+ /* recalculate basic rates */
+ iwl_calc_basic_rates(priv, ctx);
+
/*
* force CTS-to-self frames protection if RTS-CTS is not preferred
* one aggregation protection method
*/
- if (!(cfg(priv)->ht_params &&
- cfg(priv)->ht_params->use_rts_for_aggregation))
+ if (!priv->hw_params.use_rts_for_aggregation)
ctx->staging.flags |= RXON_FLG_SELF_CTS_EN;
if ((ctx->vif && ctx->vif->bss_conf.use_short_slot) ||
* receive commit_rxon request
* abort any previous channel switch if still in process
*/
- if (test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status) &&
+ if (test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status) &&
(priv->switch_channel != ctx->staging.channel)) {
IWL_DEBUG_11H(priv, "abort channel switch on %d\n",
le16_to_cpu(priv->switch_channel));
return 0;
}
- iwl_set_rxon_hwcrypto(priv, ctx, !iwlagn_mod_params.sw_crypto);
+ iwl_set_rxon_hwcrypto(priv, ctx, !iwlwifi_mod_params.sw_crypto);
IWL_DEBUG_INFO(priv,
"Going to commit RXON\n"
int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_rxon_context *ctx;
struct ieee80211_conf *conf = &hw->conf;
struct ieee80211_channel *channel = conf->channel;
const struct iwl_channel_info *ch_info;
int ret = 0;
- IWL_DEBUG_MAC80211(priv, "enter: changed %#x", changed);
+ IWL_DEBUG_MAC80211(priv, "enter: changed %#x\n", changed);
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
- if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
- goto out;
-
- if (unlikely(test_bit(STATUS_SCANNING, &priv->shrd->status))) {
+ if (unlikely(test_bit(STATUS_SCANNING, &priv->status))) {
IWL_DEBUG_MAC80211(priv, "leave - scanning\n");
goto out;
}
- if (!iwl_is_ready(priv->shrd)) {
+ if (!iwl_is_ready(priv)) {
IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
goto out;
}
}
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
- unsigned long flags;
-
ch_info = iwl_get_channel_info(priv, channel->band,
channel->hw_value);
if (!is_channel_valid(ch_info)) {
goto out;
}
- spin_lock_irqsave(&priv->shrd->lock, flags);
-
for_each_context(priv, ctx) {
/* Configure HT40 channels */
if (ctx->ht.enabled != conf_is_ht(conf))
ctx->vif);
}
- spin_unlock_irqrestore(&priv->shrd->lock, flags);
-
iwl_update_bcast_stations(priv);
-
- /*
- * The list of supported rates and rate mask can be different
- * for each band; since the band may have changed, reset
- * the rate mask to what mac80211 lists.
- */
- iwl_set_rate(priv);
}
if (changed & (IEEE80211_CONF_CHANGE_PS |
iwlagn_commit_rxon(priv, ctx);
}
out:
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
return ret;
}
-static void iwlagn_check_needed_chains(struct iwl_priv *priv,
- struct iwl_rxon_context *ctx,
- struct ieee80211_bss_conf *bss_conf)
+void iwlagn_check_needed_chains(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx,
+ struct ieee80211_bss_conf *bss_conf)
{
struct ieee80211_vif *vif = ctx->vif;
struct iwl_rxon_context *tmp;
struct ieee80211_sta_ht_cap *ht_cap;
bool need_multiple;
- lockdep_assert_held(&priv->shrd->mutex);
+ lockdep_assert_held(&priv->mutex);
switch (vif->type) {
case NL80211_IFTYPE_STATION:
ht_conf->single_chain_sufficient = !need_multiple;
}
-static void iwlagn_chain_noise_reset(struct iwl_priv *priv)
+void iwlagn_chain_noise_reset(struct iwl_priv *priv)
{
struct iwl_chain_noise_data *data = &priv->chain_noise_data;
int ret;
+ if (!(priv->calib_disabled & IWL_CHAIN_NOISE_CALIB_DISABLED))
+ return;
+
if ((data->state == IWL_CHAIN_NOISE_ALIVE) &&
iwl_is_any_associated(priv)) {
struct iwl_calib_chain_noise_reset_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
iwl_set_calib_hdr(&cmd.hdr,
priv->phy_calib_chain_noise_reset_cmd);
- ret = iwl_trans_send_cmd_pdu(trans(priv),
+ ret = iwl_dvm_send_cmd_pdu(priv,
REPLY_PHY_CALIBRATION_CMD,
CMD_SYNC, sizeof(cmd), &cmd);
if (ret)
struct ieee80211_bss_conf *bss_conf,
u32 changes)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
int ret;
bool force = false;
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
- if (unlikely(!iwl_is_ready(priv->shrd))) {
+ if (unlikely(!iwl_is_ready(priv))) {
IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
return;
}
if (unlikely(!ctx->vif)) {
IWL_DEBUG_MAC80211(priv, "leave - vif is NULL\n");
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
return;
}
if (changes & BSS_CHANGED_ASSOC) {
if (bss_conf->assoc) {
- priv->timestamp = bss_conf->timestamp;
+ priv->timestamp = bss_conf->last_tsf;
ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
} else {
/*
* not get stuck in this case either since it
* can happen if userspace gets confused.
*/
- if (ctx->last_tx_rejected) {
- ctx->last_tx_rejected = false;
- iwl_trans_wake_any_queue(trans(priv),
- ctx->ctxid,
- "Disassoc: flush queue");
- }
+ iwlagn_lift_passive_no_rx(priv);
+
ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
if (ctx->ctxid == IWL_RXON_CTX_BSS)
}
}
+ /*
+ * If the ucode decides to do beacon filtering before
+ * association, it will lose beacons that are needed
+ * before sending frames out on passive channels. This
+ * causes association failures on those channels. Enable
+ * receiving beacons in such cases.
+ */
+
+ if (vif->type == NL80211_IFTYPE_STATION) {
+ if (!bss_conf->assoc)
+ ctx->staging.filter_flags |= RXON_FILTER_BCON_AWARE_MSK;
+ else
+ ctx->staging.filter_flags &=
+ ~RXON_FILTER_BCON_AWARE_MSK;
+ }
+
if (force || memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging)))
iwlagn_commit_rxon(priv, ctx);
iwl_power_update_mode(priv, false);
/* Enable RX differential gain and sensitivity calibrations */
- if (!priv->disable_chain_noise_cal)
- iwlagn_chain_noise_reset(priv);
+ iwlagn_chain_noise_reset(priv);
priv->start_calib = 1;
- WARN_ON(ctx->preauth_bssid);
}
if (changes & BSS_CHANGED_IBSS) {
IWL_ERR(priv, "Error sending IBSS beacon\n");
}
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
}
void iwlagn_post_scan(struct iwl_priv *priv)
projects / deliverable / linux.git / blobdiff