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path: root/drivers/net/wireless/iwlegacy/3945-mac.c
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Diffstat (limited to 'drivers/net/wireless/iwlegacy/3945-mac.c')
-rw-r--r--drivers/net/wireless/iwlegacy/3945-mac.c186
1 files changed, 76 insertions, 110 deletions
diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c
index 54b2d391e91a..aa8f5c0bd642 100644
--- a/drivers/net/wireless/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/iwlegacy/3945-mac.c
@@ -140,7 +140,7 @@ il3945_set_ccmp_dynamic_key_info(struct il_priv *il,
key_flags |= (STA_KEY_FLG_CCMP | STA_KEY_FLG_MAP_KEY_MSK);
key_flags |= cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS);
- if (sta_id == il->ctx.bcast_sta_id)
+ if (sta_id == il->hw_params.bcast_id)
key_flags |= STA_KEY_MULTICAST_MSK;
keyconf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
@@ -341,7 +341,7 @@ il3945_send_beacon_cmd(struct il_priv *il)
return -ENOMEM;
}
- rate = il_get_lowest_plcp(il, &il->ctx);
+ rate = il_get_lowest_plcp(il);
frame_size = il3945_hw_get_beacon_cmd(il, frame, rate);
@@ -512,7 +512,7 @@ il3945_tx_skb(struct il_priv *il, struct sk_buff *skb)
hdr_len = ieee80211_hdrlen(fc);
/* Find idx into station table for destination station */
- sta_id = il_sta_id_or_broadcast(il, &il->ctx, info->control.sta);
+ sta_id = il_sta_id_or_broadcast(il, info->control.sta);
if (sta_id == IL_INVALID_STATION) {
D_DROP("Dropping - INVALID STATION: %pM\n", hdr->addr1);
goto drop;
@@ -538,10 +538,7 @@ il3945_tx_skb(struct il_priv *il, struct sk_buff *skb)
idx = il_get_cmd_idx(q, q->write_ptr, 0);
- /* Set up driver data for this TFD */
- memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct il_tx_info));
- txq->txb[q->write_ptr].skb = skb;
- txq->txb[q->write_ptr].ctx = &il->ctx;
+ txq->skbs[q->write_ptr] = skb;
/* Init first empty entry in queue's array of Tx/cmd buffers */
out_cmd = txq->cmd[idx];
@@ -619,8 +616,7 @@ il3945_tx_skb(struct il_priv *il, struct sk_buff *skb)
/* Add buffer containing Tx command and MAC(!) header to TFD's
* first entry */
- il->cfg->ops->lib->txq_attach_buf_to_tfd(il, txq, txcmd_phys, len, 1,
- 0);
+ il->ops->lib->txq_attach_buf_to_tfd(il, txq, txcmd_phys, len, 1, 0);
/* Set up TFD's 2nd entry to point directly to remainder of skb,
* if any (802.11 null frames have no payload). */
@@ -629,8 +625,8 @@ il3945_tx_skb(struct il_priv *il, struct sk_buff *skb)
phys_addr =
pci_map_single(il->pci_dev, skb->data + hdr_len, len,
PCI_DMA_TODEVICE);
- il->cfg->ops->lib->txq_attach_buf_to_tfd(il, txq, phys_addr,
- len, 0, U32_PAD(len));
+ il->ops->lib->txq_attach_buf_to_tfd(il, txq, phys_addr, len, 0,
+ U32_PAD(len));
}
/* Tell device the write idx *just past* this latest filled TFD */
@@ -672,15 +668,13 @@ il3945_get_measurement(struct il_priv *il,
int rc;
int spectrum_resp_status;
int duration = le16_to_cpu(params->duration);
- struct il_rxon_context *ctx = &il->ctx;
if (il_is_associated(il))
add_time =
il_usecs_to_beacons(il,
le64_to_cpu(params->start_time) -
il->_3945.last_tsf,
- le16_to_cpu(ctx->timing.
- beacon_interval));
+ le16_to_cpu(il->timing.beacon_interval));
memset(&spectrum, 0, sizeof(spectrum));
@@ -694,15 +688,14 @@ il3945_get_measurement(struct il_priv *il,
if (il_is_associated(il))
spectrum.start_time =
il_add_beacon_time(il, il->_3945.last_beacon_time, add_time,
- le16_to_cpu(ctx->timing.
- beacon_interval));
+ le16_to_cpu(il->timing.beacon_interval));
else
spectrum.start_time = 0;
spectrum.channels[0].duration = cpu_to_le32(duration * TIME_UNIT);
spectrum.channels[0].channel = params->channel;
spectrum.channels[0].type = type;
- if (ctx->active.flags & RXON_FLG_BAND_24G_MSK)
+ if (il->active.flags & RXON_FLG_BAND_24G_MSK)
spectrum.flags |=
RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK |
RXON_FLG_TGG_PROTECT_MSK;
@@ -2150,7 +2143,6 @@ il3945_alive_start(struct il_priv *il)
{
int thermal_spin = 0;
u32 rfkill;
- struct il_rxon_context *ctx = &il->ctx;
D_INFO("Runtime Alive received.\n");
@@ -2206,13 +2198,13 @@ il3945_alive_start(struct il_priv *il)
if (il_is_associated(il)) {
struct il3945_rxon_cmd *active_rxon =
- (struct il3945_rxon_cmd *)(&ctx->active);
+ (struct il3945_rxon_cmd *)(&il->active);
- ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
+ il->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
} else {
/* Initialize our rx_config data */
- il_connection_init_rx_config(il, ctx);
+ il_connection_init_rx_config(il);
}
/* Configure Bluetooth device coexistence support */
@@ -2221,7 +2213,7 @@ il3945_alive_start(struct il_priv *il)
set_bit(S_READY, &il->status);
/* Configure the adapter for unassociated operation */
- il3945_commit_rxon(il, ctx);
+ il3945_commit_rxon(il);
il3945_reg_txpower_periodic(il);
@@ -2253,7 +2245,7 @@ __il3945_down(struct il_priv *il)
del_timer_sync(&il->watchdog);
/* Station information will now be cleared in device */
- il_clear_ucode_stations(il, NULL);
+ il_clear_ucode_stations(il);
il_dealloc_bcast_stations(il);
il_clear_driver_stations(il);
@@ -2339,12 +2331,11 @@ il3945_down(struct il_priv *il)
static int
il3945_alloc_bcast_station(struct il_priv *il)
{
- struct il_rxon_context *ctx = &il->ctx;
unsigned long flags;
u8 sta_id;
spin_lock_irqsave(&il->sta_lock, flags);
- sta_id = il_prep_station(il, ctx, il_bcast_addr, false, NULL);
+ sta_id = il_prep_station(il, il_bcast_addr, false, NULL);
if (sta_id == IL_INVALID_STATION) {
IL_ERR("Unable to prepare broadcast station\n");
spin_unlock_irqrestore(&il->sta_lock, flags);
@@ -2422,7 +2413,7 @@ __il3945_up(struct il_priv *il)
/* load bootstrap state machine,
* load bootstrap program into processor's memory,
* prepare to load the "initialize" uCode */
- rc = il->cfg->ops->lib->load_ucode(il);
+ rc = il->ops->lib->load_ucode(il);
if (rc) {
IL_ERR("Unable to set up bootstrap uCode: %d\n", rc);
@@ -2602,7 +2593,7 @@ il3945_request_scan(struct il_priv *il, struct ieee80211_vif *vif)
/* We don't build a direct scan probe request; the uCode will do
* that based on the direct_mask added to each channel entry */
scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK;
- scan->tx_cmd.sta_id = il->ctx.bcast_sta_id;
+ scan->tx_cmd.sta_id = il->hw_params.bcast_id;
scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
/* flags + rate selection */
@@ -2664,14 +2655,12 @@ il3945_request_scan(struct il_priv *il, struct ieee80211_vif *vif)
void
il3945_post_scan(struct il_priv *il)
{
- struct il_rxon_context *ctx = &il->ctx;
-
/*
* Since setting the RXON may have been deferred while
* performing the scan, fire one off if needed
*/
- if (memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging)))
- il3945_commit_rxon(il, ctx);
+ if (memcmp(&il->staging, &il->active, sizeof(il->staging)))
+ il3945_commit_rxon(il);
}
static void
@@ -2684,7 +2673,8 @@ il3945_bg_restart(struct work_struct *data)
if (test_and_clear_bit(S_FW_ERROR, &il->status)) {
mutex_lock(&il->mutex);
- il->ctx.vif = NULL;
+ /* FIXME: vif can be dereferenced */
+ il->vif = NULL;
il->is_open = 0;
mutex_unlock(&il->mutex);
il3945_down(il);
@@ -2722,13 +2712,12 @@ il3945_post_associate(struct il_priv *il)
{
int rc = 0;
struct ieee80211_conf *conf = NULL;
- struct il_rxon_context *ctx = &il->ctx;
- if (!ctx->vif || !il->is_open)
+ if (!il->vif || !il->is_open)
return;
- D_ASSOC("Associated as %d to: %pM\n", ctx->vif->bss_conf.aid,
- ctx->active.bssid_addr);
+ D_ASSOC("Associated as %d to: %pM\n", il->vif->bss_conf.aid,
+ il->active.bssid_addr);
if (test_bit(S_EXIT_PENDING, &il->status))
return;
@@ -2737,35 +2726,35 @@ il3945_post_associate(struct il_priv *il)
conf = &il->hw->conf;
- ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- il3945_commit_rxon(il, ctx);
+ il->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+ il3945_commit_rxon(il);
- rc = il_send_rxon_timing(il, ctx);
+ rc = il_send_rxon_timing(il);
if (rc)
IL_WARN("C_RXON_TIMING failed - " "Attempting to continue.\n");
- ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
+ il->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
- ctx->staging.assoc_id = cpu_to_le16(ctx->vif->bss_conf.aid);
+ il->staging.assoc_id = cpu_to_le16(il->vif->bss_conf.aid);
- D_ASSOC("assoc id %d beacon interval %d\n", ctx->vif->bss_conf.aid,
- ctx->vif->bss_conf.beacon_int);
+ D_ASSOC("assoc id %d beacon interval %d\n", il->vif->bss_conf.aid,
+ il->vif->bss_conf.beacon_int);
- if (ctx->vif->bss_conf.use_short_preamble)
- ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
+ if (il->vif->bss_conf.use_short_preamble)
+ il->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
else
- ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
+ il->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
- if (ctx->staging.flags & RXON_FLG_BAND_24G_MSK) {
- if (ctx->vif->bss_conf.use_short_slot)
- ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
+ if (il->staging.flags & RXON_FLG_BAND_24G_MSK) {
+ if (il->vif->bss_conf.use_short_slot)
+ il->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
else
- ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
+ il->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
}
- il3945_commit_rxon(il, ctx);
+ il3945_commit_rxon(il);
- switch (ctx->vif->type) {
+ switch (il->vif->type) {
case NL80211_IFTYPE_STATION:
il3945_rate_scale_init(il->hw, IL_AP_ID);
break;
@@ -2774,7 +2763,7 @@ il3945_post_associate(struct il_priv *il)
break;
default:
IL_ERR("%s Should not be called in %d mode\n", __func__,
- ctx->vif->type);
+ il->vif->type);
break;
}
}
@@ -2891,8 +2880,7 @@ il3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
void
il3945_config_ap(struct il_priv *il)
{
- struct il_rxon_context *ctx = &il->ctx;
- struct ieee80211_vif *vif = ctx->vif;
+ struct ieee80211_vif *vif = il->vif;
int rc = 0;
if (test_bit(S_EXIT_PENDING, &il->status))
@@ -2902,31 +2890,31 @@ il3945_config_ap(struct il_priv *il)
if (!(il_is_associated(il))) {
/* RXON - unassoc (to set timing command) */
- ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- il3945_commit_rxon(il, ctx);
+ il->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+ il3945_commit_rxon(il);
/* RXON Timing */
- rc = il_send_rxon_timing(il, ctx);
+ rc = il_send_rxon_timing(il);
if (rc)
IL_WARN("C_RXON_TIMING failed - "
"Attempting to continue.\n");
- ctx->staging.assoc_id = 0;
+ il->staging.assoc_id = 0;
if (vif->bss_conf.use_short_preamble)
- ctx->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
+ il->staging.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
else
- ctx->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
+ il->staging.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
- if (ctx->staging.flags & RXON_FLG_BAND_24G_MSK) {
+ if (il->staging.flags & RXON_FLG_BAND_24G_MSK) {
if (vif->bss_conf.use_short_slot)
- ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
+ il->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
else
- ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
+ il->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
}
/* restore RXON assoc */
- ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
- il3945_commit_rxon(il, ctx);
+ il->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
+ il3945_commit_rxon(il);
}
il3945_send_beacon_cmd(il);
}
@@ -2959,7 +2947,7 @@ il3945_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
static_key = !il_is_associated(il);
if (!static_key) {
- sta_id = il_sta_id_or_broadcast(il, &il->ctx, sta);
+ sta_id = il_sta_id_or_broadcast(il, sta);
if (sta_id == IL_INVALID_STATION)
return -EINVAL;
}
@@ -3007,8 +2995,7 @@ il3945_mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
D_INFO("proceeding to add station %pM\n", sta->addr);
sta_priv->common.sta_id = IL_INVALID_STATION;
- ret =
- il_add_station_common(il, &il->ctx, sta->addr, is_ap, sta, &sta_id);
+ ret = il_add_station_common(il, sta->addr, is_ap, sta, &sta_id);
if (ret) {
IL_ERR("Unable to add station %pM (%d)\n", sta->addr, ret);
/* Should we return success if return code is EEXIST ? */
@@ -3032,7 +3019,6 @@ il3945_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags,
{
struct il_priv *il = hw->priv;
__le32 filter_or = 0, filter_nand = 0;
- struct il_rxon_context *ctx = &il->ctx;
#define CHK(test, flag) do { \
if (*total_flags & (test)) \
@@ -3052,8 +3038,8 @@ il3945_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags,
mutex_lock(&il->mutex);
- ctx->staging.filter_flags &= ~filter_nand;
- ctx->staging.filter_flags |= filter_or;
+ il->staging.filter_flags &= ~filter_nand;
+ il->staging.filter_flags |= filter_or;
/*
* Not committing directly because hardware can perform a scan,
@@ -3170,9 +3156,8 @@ static ssize_t
il3945_show_flags(struct device *d, struct device_attribute *attr, char *buf)
{
struct il_priv *il = dev_get_drvdata(d);
- struct il_rxon_context *ctx = &il->ctx;
- return sprintf(buf, "0x%04X\n", ctx->active.flags);
+ return sprintf(buf, "0x%04X\n", il->active.flags);
}
static ssize_t
@@ -3181,17 +3166,16 @@ il3945_store_flags(struct device *d, struct device_attribute *attr,
{
struct il_priv *il = dev_get_drvdata(d);
u32 flags = simple_strtoul(buf, NULL, 0);
- struct il_rxon_context *ctx = &il->ctx;
mutex_lock(&il->mutex);
- if (le32_to_cpu(ctx->staging.flags) != flags) {
+ if (le32_to_cpu(il->staging.flags) != flags) {
/* Cancel any currently running scans... */
if (il_scan_cancel_timeout(il, 100))
IL_WARN("Could not cancel scan.\n");
else {
D_INFO("Committing rxon.flags = 0x%04X\n", flags);
- ctx->staging.flags = cpu_to_le32(flags);
- il3945_commit_rxon(il, ctx);
+ il->staging.flags = cpu_to_le32(flags);
+ il3945_commit_rxon(il);
}
}
mutex_unlock(&il->mutex);
@@ -3207,9 +3191,8 @@ il3945_show_filter_flags(struct device *d, struct device_attribute *attr,
char *buf)
{
struct il_priv *il = dev_get_drvdata(d);
- struct il_rxon_context *ctx = &il->ctx;
- return sprintf(buf, "0x%04X\n", le32_to_cpu(ctx->active.filter_flags));
+ return sprintf(buf, "0x%04X\n", le32_to_cpu(il->active.filter_flags));
}
static ssize_t
@@ -3217,19 +3200,18 @@ il3945_store_filter_flags(struct device *d, struct device_attribute *attr,
const char *buf, size_t count)
{
struct il_priv *il = dev_get_drvdata(d);
- struct il_rxon_context *ctx = &il->ctx;
u32 filter_flags = simple_strtoul(buf, NULL, 0);
mutex_lock(&il->mutex);
- if (le32_to_cpu(ctx->staging.filter_flags) != filter_flags) {
+ if (le32_to_cpu(il->staging.filter_flags) != filter_flags) {
/* Cancel any currently running scans... */
if (il_scan_cancel_timeout(il, 100))
IL_WARN("Could not cancel scan.\n");
else {
D_INFO("Committing rxon.filter_flags = " "0x%04X\n",
filter_flags);
- ctx->staging.filter_flags = cpu_to_le32(filter_flags);
- il3945_commit_rxon(il, ctx);
+ il->staging.filter_flags = cpu_to_le32(filter_flags);
+ il3945_commit_rxon(il);
}
}
mutex_unlock(&il->mutex);
@@ -3278,9 +3260,8 @@ il3945_store_measurement(struct device *d, struct device_attribute *attr,
const char *buf, size_t count)
{
struct il_priv *il = dev_get_drvdata(d);
- struct il_rxon_context *ctx = &il->ctx;
struct ieee80211_measurement_params params = {
- .channel = le16_to_cpu(ctx->active.channel),
+ .channel = le16_to_cpu(il->active.channel),
.start_time = cpu_to_le64(il->_3945.last_tsf),
.duration = cpu_to_le16(1),
};
@@ -3474,7 +3455,7 @@ static struct attribute_group il3945_attribute_group = {
.attrs = il3945_sysfs_entries,
};
-struct ieee80211_ops il3945_hw_ops = {
+struct ieee80211_ops il3945_mac_ops = {
.tx = il3945_mac_tx,
.start = il3945_mac_start,
.stop = il3945_mac_stop,
@@ -3567,7 +3548,8 @@ il3945_setup_mac(struct il_priv *il)
/* Tell mac80211 our characteristics */
hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_SPECTRUM_MGMT;
- hw->wiphy->interface_modes = il->ctx.interface_modes;
+ hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC);
hw->wiphy->flags |=
WIPHY_FLAG_CUSTOM_REGULATORY | WIPHY_FLAG_DISABLE_BEACON_HINTS |
@@ -3614,44 +3596,29 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
* 1. Allocating HW data
* ********************/
- /* mac80211 allocates memory for this device instance, including
- * space for this driver's ilate structure */
- hw = il_alloc_all(cfg);
- if (hw == NULL) {
- pr_err("Can not allocate network device\n");
+ hw = ieee80211_alloc_hw(sizeof(struct il_priv), &il3945_mac_ops);
+ if (!hw) {
err = -ENOMEM;
goto out;
}
il = hw->priv;
+ il->hw = hw;
SET_IEEE80211_DEV(hw, &pdev->dev);
il->cmd_queue = IL39_CMD_QUEUE_NUM;
- il->ctx.ctxid = 0;
-
- il->ctx.rxon_cmd = C_RXON;
- il->ctx.rxon_timing_cmd = C_RXON_TIMING;
- il->ctx.rxon_assoc_cmd = C_RXON_ASSOC;
- il->ctx.qos_cmd = C_QOS_PARAM;
- il->ctx.ap_sta_id = IL_AP_ID;
- il->ctx.wep_key_cmd = C_WEPKEY;
- il->ctx.interface_modes =
- BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC);
- il->ctx.ibss_devtype = RXON_DEV_TYPE_IBSS;
- il->ctx.station_devtype = RXON_DEV_TYPE_ESS;
- il->ctx.unused_devtype = RXON_DEV_TYPE_ESS;
-
/*
* Disabling hardware scan means that mac80211 will perform scans
* "the hard way", rather than using device's scan.
*/
if (il3945_mod_params.disable_hw_scan) {
D_INFO("Disabling hw_scan\n");
- il3945_hw_ops.hw_scan = NULL;
+ il3945_mac_ops.hw_scan = NULL;
}
D_INFO("*** LOAD DRIVER ***\n");
il->cfg = cfg;
+ il->ops = &il3945_ops;
il->pci_dev = pdev;
il->inta_mask = CSR_INI_SET_MASK;
@@ -3773,8 +3740,7 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto out_release_irq;
}
- il_set_rxon_channel(il, &il->bands[IEEE80211_BAND_2GHZ].channels[5],
- &il->ctx);
+ il_set_rxon_channel(il, &il->bands[IEEE80211_BAND_2GHZ].channels[5]);
il3945_setup_deferred_work(il);
il3945_setup_handlers(il);
il_power_initialize(il);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.