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path: root/drivers/net/wireless/iwlegacy/3945.c
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Diffstat (limited to 'drivers/net/wireless/iwlegacy/3945.c')
-rw-r--r--drivers/net/wireless/iwlegacy/3945.c231
1 files changed, 103 insertions, 128 deletions
diff --git a/drivers/net/wireless/iwlegacy/3945.c b/drivers/net/wireless/iwlegacy/3945.c
index c80eb9b31551..b25c01be0d90 100644
--- a/drivers/net/wireless/iwlegacy/3945.c
+++ b/drivers/net/wireless/iwlegacy/3945.c
@@ -57,10 +57,6 @@ il3945_send_led_cmd(struct il_priv *il, struct il_led_cmd *led_cmd)
return il_send_cmd(il, &cmd);
}
-const struct il_led_ops il3945_led_ops = {
- .cmd = il3945_send_led_cmd,
-};
-
#define IL_DECLARE_RATE_INFO(r, ip, in, rp, rn, pp, np) \
[RATE_##r##M_IDX] = { RATE_##r##M_PLCP, \
RATE_##r##M_IEEE, \
@@ -293,17 +289,17 @@ il3945_tx_queue_reclaim(struct il_priv *il, int txq_id, int idx)
{
struct il_tx_queue *txq = &il->txq[txq_id];
struct il_queue *q = &txq->q;
- struct il_tx_info *tx_info;
+ struct sk_buff *skb;
BUG_ON(txq_id == IL39_CMD_QUEUE_NUM);
for (idx = il_queue_inc_wrap(idx, q->n_bd); q->read_ptr != idx;
q->read_ptr = il_queue_inc_wrap(q->read_ptr, q->n_bd)) {
- tx_info = &txq->txb[txq->q.read_ptr];
- ieee80211_tx_status_irqsafe(il->hw, tx_info->skb);
- tx_info->skb = NULL;
- il->cfg->ops->lib->txq_free_tfd(il, txq);
+ skb = txq->skbs[txq->q.read_ptr];
+ ieee80211_tx_status_irqsafe(il->hw, skb);
+ txq->skbs[txq->q.read_ptr] = NULL;
+ il->ops->txq_free_tfd(il, txq);
}
if (il_queue_space(q) > q->low_mark && txq_id >= 0 &&
@@ -336,7 +332,7 @@ il3945_hdl_tx(struct il_priv *il, struct il_rx_buf *rxb)
}
txq->time_stamp = jiffies;
- info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb);
+ info = IEEE80211_SKB_CB(txq->skbs[txq->q.read_ptr]);
ieee80211_tx_info_clear_status(info);
/* Fill the MRR chain with some info about on-chip retransmissions */
@@ -503,7 +499,8 @@ il3945_pass_packet_to_mac80211(struct il_priv *il, struct il_rx_buf *rxb,
le32_to_cpu(rx_end->status), stats);
skb_add_rx_frag(skb, 0, rxb->page,
- (void *)rx_hdr->payload - (void *)pkt, len);
+ (void *)rx_hdr->payload - (void *)pkt, len,
+ len);
il_update_stats(il, false, fc, len);
memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats));
@@ -577,8 +574,6 @@ il3945_hdl_rx(struct il_priv *il, struct il_rx_buf *rxb)
network_packet ? '*' : ' ', le16_to_cpu(rx_hdr->channel),
rx_status.signal, rx_status.signal, rx_status.rate_idx);
- il_dbg_log_rx_data_frame(il, le16_to_cpu(rx_hdr->len), header);
-
if (network_packet) {
il->_3945.last_beacon_time =
le32_to_cpu(rx_end->beacon_timestamp);
@@ -660,15 +655,13 @@ il3945_hw_txq_free_tfd(struct il_priv *il, struct il_tx_queue *txq)
PCI_DMA_TODEVICE);
/* free SKB */
- if (txq->txb) {
- struct sk_buff *skb;
-
- skb = txq->txb[txq->q.read_ptr].skb;
+ if (txq->skbs) {
+ struct sk_buff *skb = txq->skbs[txq->q.read_ptr];
/* can be called from irqs-disabled context */
if (skb) {
dev_kfree_skb_any(skb);
- txq->txb[txq->q.read_ptr].skb = NULL;
+ txq->skbs[txq->q.read_ptr] = NULL;
}
}
}
@@ -798,7 +791,6 @@ il3945_rx_init(struct il_priv *il, struct il_rx_queue *rxq)
static int
il3945_tx_reset(struct il_priv *il)
{
-
/* bypass mode */
il_wr_prph(il, ALM_SCD_MODE_REG, 0x2);
@@ -835,8 +827,7 @@ il3945_tx_reset(struct il_priv *il)
static int
il3945_txq_ctx_reset(struct il_priv *il)
{
- int rc;
- int txq_id, slots_num;
+ int rc, txq_id;
il3945_hw_txq_ctx_free(il);
@@ -852,10 +843,7 @@ il3945_txq_ctx_reset(struct il_priv *il)
/* Tx queue(s) */
for (txq_id = 0; txq_id < il->hw_params.max_txq_num; txq_id++) {
- slots_num =
- (txq_id ==
- IL39_CMD_QUEUE_NUM) ? TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS;
- rc = il_tx_queue_init(il, &il->txq[txq_id], slots_num, txq_id);
+ rc = il_tx_queue_init(il, txq_id);
if (rc) {
IL_ERR("Tx %d queue init failed\n", txq_id);
goto error;
@@ -960,12 +948,11 @@ il3945_hw_nic_init(struct il_priv *il)
struct il_rx_queue *rxq = &il->rxq;
spin_lock_irqsave(&il->lock, flags);
- il->cfg->ops->lib->apm_ops.init(il);
+ il3945_apm_init(il);
spin_unlock_irqrestore(&il->lock, flags);
il3945_set_pwr_vmain(il);
-
- il->cfg->ops->lib->apm_ops.config(il);
+ il3945_nic_config(il);
/* Allocate the RX queue, or reset if it is already allocated */
if (!rxq->bd) {
@@ -1016,7 +1003,7 @@ il3945_hw_txq_ctx_free(struct il_priv *il)
il_tx_queue_free(il, txq_id);
/* free tx queue structure */
- il_txq_mem(il);
+ il_free_txq_mem(il);
}
void
@@ -1025,18 +1012,17 @@ il3945_hw_txq_ctx_stop(struct il_priv *il)
int txq_id;
/* stop SCD */
- il_wr_prph(il, ALM_SCD_MODE_REG, 0);
- il_wr_prph(il, ALM_SCD_TXFACT_REG, 0);
+ _il_wr_prph(il, ALM_SCD_MODE_REG, 0);
+ _il_wr_prph(il, ALM_SCD_TXFACT_REG, 0);
/* reset TFD queues */
for (txq_id = 0; txq_id < il->hw_params.max_txq_num; txq_id++) {
- il_wr(il, FH39_TCSR_CONFIG(txq_id), 0x0);
- il_poll_bit(il, FH39_TSSR_TX_STATUS,
- FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(txq_id),
- 1000);
+ _il_wr(il, FH39_TCSR_CONFIG(txq_id), 0x0);
+ _il_poll_bit(il, FH39_TSSR_TX_STATUS,
+ FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(txq_id),
+ FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(txq_id),
+ 1000);
}
-
- il3945_hw_txq_ctx_free(il);
}
/**
@@ -1388,7 +1374,7 @@ il3945_send_tx_power(struct il_priv *il)
int rate_idx, i;
const struct il_channel_info *ch_info = NULL;
struct il3945_txpowertable_cmd txpower = {
- .channel = il->ctx.active.channel,
+ .channel = il->active.channel,
};
u16 chan;
@@ -1397,7 +1383,7 @@ il3945_send_tx_power(struct il_priv *il)
"TX Power requested while scanning!\n"))
return -EAGAIN;
- chan = le16_to_cpu(il->ctx.active.channel);
+ chan = le16_to_cpu(il->active.channel);
txpower.band = (il->band == IEEE80211_BAND_5GHZ) ? 0 : 1;
ch_info = il_get_channel_info(il, il->band, chan);
@@ -1615,7 +1601,7 @@ il3945_hw_reg_comp_txpower_temp(struct il_priv *il)
}
/* send Txpower command for current channel to ucode */
- return il->cfg->ops->lib->send_tx_power(il);
+ return il->ops->send_tx_power(il);
}
int
@@ -1662,7 +1648,7 @@ il3945_hw_reg_set_txpower(struct il_priv *il, s8 power)
}
static int
-il3945_send_rxon_assoc(struct il_priv *il, struct il_rxon_context *ctx)
+il3945_send_rxon_assoc(struct il_priv *il)
{
int rc = 0;
struct il_rx_pkt *pkt;
@@ -1673,8 +1659,8 @@ il3945_send_rxon_assoc(struct il_priv *il, struct il_rxon_context *ctx)
.flags = CMD_WANT_SKB,
.data = &rxon_assoc,
};
- const struct il_rxon_cmd *rxon1 = &ctx->staging;
- const struct il_rxon_cmd *rxon2 = &ctx->active;
+ const struct il_rxon_cmd *rxon1 = &il->staging;
+ const struct il_rxon_cmd *rxon2 = &il->active;
if (rxon1->flags == rxon2->flags &&
rxon1->filter_flags == rxon2->filter_flags &&
@@ -1684,10 +1670,10 @@ il3945_send_rxon_assoc(struct il_priv *il, struct il_rxon_context *ctx)
return 0;
}
- rxon_assoc.flags = ctx->staging.flags;
- rxon_assoc.filter_flags = ctx->staging.filter_flags;
- rxon_assoc.ofdm_basic_rates = ctx->staging.ofdm_basic_rates;
- rxon_assoc.cck_basic_rates = ctx->staging.cck_basic_rates;
+ rxon_assoc.flags = il->staging.flags;
+ rxon_assoc.filter_flags = il->staging.filter_flags;
+ rxon_assoc.ofdm_basic_rates = il->staging.ofdm_basic_rates;
+ rxon_assoc.cck_basic_rates = il->staging.cck_basic_rates;
rxon_assoc.reserved = 0;
rc = il_send_cmd_sync(il, &cmd);
@@ -1714,11 +1700,11 @@ il3945_send_rxon_assoc(struct il_priv *il, struct il_rxon_context *ctx)
* a HW tune is required based on the RXON structure changes.
*/
int
-il3945_commit_rxon(struct il_priv *il, struct il_rxon_context *ctx)
+il3945_commit_rxon(struct il_priv *il)
{
/* cast away the const for active_rxon in this function */
- struct il3945_rxon_cmd *active_rxon = (void *)&ctx->active;
- struct il3945_rxon_cmd *staging_rxon = (void *)&ctx->staging;
+ struct il3945_rxon_cmd *active_rxon = (void *)&il->active;
+ struct il3945_rxon_cmd *staging_rxon = (void *)&il->staging;
int rc = 0;
bool new_assoc = !!(staging_rxon->filter_flags & RXON_FILTER_ASSOC_MSK);
@@ -1735,7 +1721,7 @@ il3945_commit_rxon(struct il_priv *il, struct il_rxon_context *ctx)
staging_rxon->flags &= ~(RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_SEL_MSK);
staging_rxon->flags |= il3945_get_antenna_flags(il);
- rc = il_check_rxon_cmd(il, ctx);
+ rc = il_check_rxon_cmd(il);
if (rc) {
IL_ERR("Invalid RXON configuration. Not committing.\n");
return -EINVAL;
@@ -1744,8 +1730,8 @@ il3945_commit_rxon(struct il_priv *il, struct il_rxon_context *ctx)
/* If we don't need to send a full RXON, we can use
* il3945_rxon_assoc_cmd which is used to reconfigure filter
* and other flags for the current radio configuration. */
- if (!il_full_rxon_required(il, &il->ctx)) {
- rc = il_send_rxon_assoc(il, &il->ctx);
+ if (!il_full_rxon_required(il)) {
+ rc = il_send_rxon_assoc(il);
if (rc) {
IL_ERR("Error setting RXON_ASSOC "
"configuration (%d).\n", rc);
@@ -1776,7 +1762,7 @@ il3945_commit_rxon(struct il_priv *il, struct il_rxon_context *ctx)
active_rxon->reserved4 = 0;
active_rxon->reserved5 = 0;
rc = il_send_cmd_pdu(il, C_RXON, sizeof(struct il3945_rxon_cmd),
- &il->ctx.active);
+ &il->active);
/* If the mask clearing failed then we set
* active_rxon back to what it was previously */
@@ -1786,8 +1772,8 @@ il3945_commit_rxon(struct il_priv *il, struct il_rxon_context *ctx)
"configuration (%d).\n", rc);
return rc;
}
- il_clear_ucode_stations(il, &il->ctx);
- il_restore_stations(il, &il->ctx);
+ il_clear_ucode_stations(il);
+ il_restore_stations(il);
}
D_INFO("Sending RXON\n" "* with%s RXON_FILTER_ASSOC_MSK\n"
@@ -1801,7 +1787,7 @@ il3945_commit_rxon(struct il_priv *il, struct il_rxon_context *ctx)
staging_rxon->reserved4 = 0;
staging_rxon->reserved5 = 0;
- il_set_rxon_hwcrypto(il, ctx, !il3945_mod_params.sw_crypto);
+ il_set_rxon_hwcrypto(il, !il3945_mod_params.sw_crypto);
/* Apply the new configuration */
rc = il_send_cmd_pdu(il, C_RXON, sizeof(struct il3945_rxon_cmd),
@@ -1814,8 +1800,8 @@ il3945_commit_rxon(struct il_priv *il, struct il_rxon_context *ctx)
memcpy(active_rxon, staging_rxon, sizeof(*active_rxon));
if (!new_assoc) {
- il_clear_ucode_stations(il, &il->ctx);
- il_restore_stations(il, &il->ctx);
+ il_clear_ucode_stations(il);
+ il_restore_stations(il);
}
/* If we issue a new RXON command which required a tune then we must
@@ -2186,12 +2172,14 @@ il3945_txpower_set_from_eeprom(struct il_priv *il)
int
il3945_hw_rxq_stop(struct il_priv *il)
{
- int rc;
+ int ret;
- il_wr(il, FH39_RCSR_CONFIG(0), 0);
- rc = il_poll_bit(il, FH39_RSSR_STATUS,
- FH39_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, 1000);
- if (rc < 0)
+ _il_wr(il, FH39_RCSR_CONFIG(0), 0);
+ ret = _il_poll_bit(il, FH39_RSSR_STATUS,
+ FH39_RSSR_CHNL0_RX_STATUS_CHNL_IDLE,
+ FH39_RSSR_CHNL0_RX_STATUS_CHNL_IDLE,
+ 1000);
+ if (ret < 0)
IL_ERR("Can't stop Rx DMA.\n");
return 0;
@@ -2259,7 +2247,6 @@ il3945_build_addsta_hcmd(const struct il_addsta_cmd *cmd, u8 * data)
static int
il3945_add_bssid_station(struct il_priv *il, const u8 * addr, u8 * sta_id_r)
{
- struct il_rxon_context *ctx = &il->ctx;
int ret;
u8 sta_id;
unsigned long flags;
@@ -2267,7 +2254,7 @@ il3945_add_bssid_station(struct il_priv *il, const u8 * addr, u8 * sta_id_r)
if (sta_id_r)
*sta_id_r = IL_INVALID_STATION;
- ret = il_add_station_common(il, ctx, addr, 0, NULL, &sta_id);
+ ret = il_add_station_common(il, addr, 0, NULL, &sta_id);
if (ret) {
IL_ERR("Unable to add station %pM\n", addr);
return ret;
@@ -2397,15 +2384,16 @@ il3945_hw_set_hw_params(struct il_priv *il)
return -ENOMEM;
}
+ il->hw_params.bcast_id = IL3945_BROADCAST_ID;
+
/* Assign number of Usable TX queues */
- il->hw_params.max_txq_num = il->cfg->base_params->num_of_queues;
+ il->hw_params.max_txq_num = il->cfg->num_of_queues;
il->hw_params.tfd_size = sizeof(struct il3945_tfd);
il->hw_params.rx_page_order = get_order(IL_RX_BUF_SIZE_3K);
il->hw_params.max_rxq_size = RX_QUEUE_SIZE;
il->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
il->hw_params.max_stations = IL3945_STATION_COUNT;
- il->ctx.bcast_sta_id = IL3945_BROADCAST_ID;
il->sta_key_max_num = STA_KEY_MAX_NUM;
@@ -2426,7 +2414,7 @@ il3945_hw_get_beacon_cmd(struct il_priv *il, struct il3945_frame *frame,
tx_beacon_cmd = (struct il3945_tx_beacon_cmd *)&frame->u;
memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
- tx_beacon_cmd->tx.sta_id = il->ctx.bcast_sta_id;
+ tx_beacon_cmd->tx.sta_id = il->hw_params.bcast_id;
tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
frame_size =
@@ -2633,76 +2621,31 @@ il3945_load_bsm(struct il_priv *il)
return 0;
}
-static struct il_hcmd_ops il3945_hcmd = {
- .rxon_assoc = il3945_send_rxon_assoc,
- .commit_rxon = il3945_commit_rxon,
-};
-
-static struct il_lib_ops il3945_lib = {
+const struct il_ops il3945_ops = {
.txq_attach_buf_to_tfd = il3945_hw_txq_attach_buf_to_tfd,
.txq_free_tfd = il3945_hw_txq_free_tfd,
.txq_init = il3945_hw_tx_queue_init,
.load_ucode = il3945_load_bsm,
.dump_nic_error_log = il3945_dump_nic_error_log,
- .apm_ops = {
- .init = il3945_apm_init,
- .config = il3945_nic_config,
- },
- .eeprom_ops = {
- .regulatory_bands = {
- EEPROM_REGULATORY_BAND_1_CHANNELS,
- EEPROM_REGULATORY_BAND_2_CHANNELS,
- EEPROM_REGULATORY_BAND_3_CHANNELS,
- EEPROM_REGULATORY_BAND_4_CHANNELS,
- EEPROM_REGULATORY_BAND_5_CHANNELS,
- EEPROM_REGULATORY_BAND_NO_HT40,
- EEPROM_REGULATORY_BAND_NO_HT40,
- },
- .acquire_semaphore = il3945_eeprom_acquire_semaphore,
- .release_semaphore = il3945_eeprom_release_semaphore,
- },
+ .apm_init = il3945_apm_init,
.send_tx_power = il3945_send_tx_power,
.is_valid_rtc_data_addr = il3945_hw_valid_rtc_data_addr,
+ .eeprom_acquire_semaphore = il3945_eeprom_acquire_semaphore,
+ .eeprom_release_semaphore = il3945_eeprom_release_semaphore,
-#ifdef CONFIG_IWLEGACY_DEBUGFS
- .debugfs_ops = {
- .rx_stats_read = il3945_ucode_rx_stats_read,
- .tx_stats_read = il3945_ucode_tx_stats_read,
- .general_stats_read = il3945_ucode_general_stats_read,
- },
-#endif
-};
-
-static const struct il_legacy_ops il3945_legacy_ops = {
- .post_associate = il3945_post_associate,
- .config_ap = il3945_config_ap,
- .manage_ibss_station = il3945_manage_ibss_station,
-};
+ .rxon_assoc = il3945_send_rxon_assoc,
+ .commit_rxon = il3945_commit_rxon,
-static struct il_hcmd_utils_ops il3945_hcmd_utils = {
.get_hcmd_size = il3945_get_hcmd_size,
.build_addsta_hcmd = il3945_build_addsta_hcmd,
.request_scan = il3945_request_scan,
.post_scan = il3945_post_scan,
-};
-static const struct il_ops il3945_ops = {
- .lib = &il3945_lib,
- .hcmd = &il3945_hcmd,
- .utils = &il3945_hcmd_utils,
- .led = &il3945_led_ops,
- .legacy = &il3945_legacy_ops,
- .ieee80211_ops = &il3945_hw_ops,
-};
+ .post_associate = il3945_post_associate,
+ .config_ap = il3945_config_ap,
+ .manage_ibss_station = il3945_manage_ibss_station,
-static struct il_base_params il3945_base_params = {
- .eeprom_size = IL3945_EEPROM_IMG_SIZE,
- .num_of_queues = IL39_NUM_QUEUES,
- .pll_cfg_val = CSR39_ANA_PLL_CFG_VAL,
- .set_l0s = false,
- .use_bsm = true,
- .led_compensation = 64,
- .wd_timeout = IL_DEF_WD_TIMEOUT,
+ .send_led_cmd = il3945_send_led_cmd,
};
static struct il_cfg il3945_bg_cfg = {
@@ -2712,10 +2655,26 @@ static struct il_cfg il3945_bg_cfg = {
.ucode_api_min = IL3945_UCODE_API_MIN,
.sku = IL_SKU_G,
.eeprom_ver = EEPROM_3945_EEPROM_VERSION,
- .ops = &il3945_ops,
.mod_params = &il3945_mod_params,
- .base_params = &il3945_base_params,
.led_mode = IL_LED_BLINK,
+
+ .eeprom_size = IL3945_EEPROM_IMG_SIZE,
+ .num_of_queues = IL39_NUM_QUEUES,
+ .pll_cfg_val = CSR39_ANA_PLL_CFG_VAL,
+ .set_l0s = false,
+ .use_bsm = true,
+ .led_compensation = 64,
+ .wd_timeout = IL_DEF_WD_TIMEOUT,
+
+ .regulatory_bands = {
+ EEPROM_REGULATORY_BAND_1_CHANNELS,
+ EEPROM_REGULATORY_BAND_2_CHANNELS,
+ EEPROM_REGULATORY_BAND_3_CHANNELS,
+ EEPROM_REGULATORY_BAND_4_CHANNELS,
+ EEPROM_REGULATORY_BAND_5_CHANNELS,
+ EEPROM_REGULATORY_BAND_NO_HT40,
+ EEPROM_REGULATORY_BAND_NO_HT40,
+ },
};
static struct il_cfg il3945_abg_cfg = {
@@ -2725,10 +2684,26 @@ static struct il_cfg il3945_abg_cfg = {
.ucode_api_min = IL3945_UCODE_API_MIN,
.sku = IL_SKU_A | IL_SKU_G,
.eeprom_ver = EEPROM_3945_EEPROM_VERSION,
- .ops = &il3945_ops,
.mod_params = &il3945_mod_params,
- .base_params = &il3945_base_params,
.led_mode = IL_LED_BLINK,
+
+ .eeprom_size = IL3945_EEPROM_IMG_SIZE,
+ .num_of_queues = IL39_NUM_QUEUES,
+ .pll_cfg_val = CSR39_ANA_PLL_CFG_VAL,
+ .set_l0s = false,
+ .use_bsm = true,
+ .led_compensation = 64,
+ .wd_timeout = IL_DEF_WD_TIMEOUT,
+
+ .regulatory_bands = {
+ EEPROM_REGULATORY_BAND_1_CHANNELS,
+ EEPROM_REGULATORY_BAND_2_CHANNELS,
+ EEPROM_REGULATORY_BAND_3_CHANNELS,
+ EEPROM_REGULATORY_BAND_4_CHANNELS,
+ EEPROM_REGULATORY_BAND_5_CHANNELS,
+ EEPROM_REGULATORY_BAND_NO_HT40,
+ EEPROM_REGULATORY_BAND_NO_HT40,
+ },
};
DEFINE_PCI_DEVICE_TABLE(il3945_hw_card_ids) = {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.