AcoSail/kernel_optimize_test
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Merge branch 'wl12xx-next' of git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx

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This commit is contained in:
John W. Linville 2010-12-16 15:21:33 -05:00
commit 5928b91aca
17 changed files with 848 additions and 324 deletions
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10
drivers/net/wireless/wl12xx/Kconfig
View File

@ -52,6 +52,16 @@ config WL12XX_SDIO
If you choose to build a module, it'll be called wl12xx_sdio.
Say N if unsure.
config WL12XX_SDIO_TEST
tristate "TI wl12xx SDIO testing support"
depends on WL12XX && MMC
default n
---help---
This module adds support for the SDIO bus testing with the
TI wl12xx chipsets. You probably don't want this unless you are
testing a new hardware platform. Select this if you want to test the
SDIO bus which is connected to the wl12xx chip.
config WL12XX_PLATFORM_DATA
bool
depends on WL12XX_SDIO != n || WL1251_SDIO != n

3
drivers/net/wireless/wl12xx/Makefile
View File

@ -3,11 +3,14 @@ wl12xx-objs = main.o cmd.o io.o event.o tx.o rx.o ps.o acx.o \
wl12xx_spi-objs = spi.o
wl12xx_sdio-objs = sdio.o
wl12xx_sdio_test-objs = sdio_test.o
wl12xx-$(CONFIG_NL80211_TESTMODE) += testmode.o
obj-$(CONFIG_WL12XX) += wl12xx.o
obj-$(CONFIG_WL12XX_SPI) += wl12xx_spi.o
obj-$(CONFIG_WL12XX_SDIO) += wl12xx_sdio.o
obj-$(CONFIG_WL12XX_SDIO_TEST) += wl12xx_sdio_test.o
# small builtin driver bit
obj-$(CONFIG_WL12XX_PLATFORM_DATA) += wl12xx_platform_data.o

4
drivers/net/wireless/wl12xx/acx.c
View File

@ -1041,7 +1041,7 @@ int wl1271_acx_bet_enable(struct wl1271 *wl, bool enable)
return ret;
}
int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, __be32 address)
int wl1271_acx_arp_ip_filter(struct wl1271 *wl, u8 enable, __be32 address)
{
struct wl1271_acx_arp_filter *acx;
int ret;
@ -1057,7 +1057,7 @@ int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, __be32 address)
acx->version = ACX_IPV4_VERSION;
acx->enable = enable;
if (enable == true)
if (enable)
memcpy(acx->address, &address, ACX_IPV4_ADDR_SIZE);
ret = wl1271_cmd_configure(wl, ACX_ARP_IP_FILTER,

9
drivers/net/wireless/wl12xx/acx.h
View File

@ -868,10 +868,15 @@ struct wl1271_acx_bet_enable {
#define ACX_IPV4_VERSION 4
#define ACX_IPV6_VERSION 6
#define ACX_IPV4_ADDR_SIZE 4
/* bitmap of enabled arp_filter features */
#define ACX_ARP_FILTER_ARP_FILTERING BIT(0)
#define ACX_ARP_FILTER_AUTO_ARP BIT(1)
struct wl1271_acx_arp_filter {
struct acx_header header;
u8 version; /* ACX_IPV4_VERSION, ACX_IPV6_VERSION */
u8 enable; /* 1 to enable ARP filtering, 0 to disable */
u8 enable; /* bitmap of enabled ARP filtering features */
u8 padding[2];
u8 address[16]; /* The configured device IP address - all ARP
requests directed to this IP address will pass
@ -1168,7 +1173,7 @@ int wl1271_acx_init_mem_config(struct wl1271 *wl);
int wl1271_acx_init_rx_interrupt(struct wl1271 *wl);
int wl1271_acx_smart_reflex(struct wl1271 *wl);
int wl1271_acx_bet_enable(struct wl1271 *wl, bool enable);
int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, __be32 address);
int wl1271_acx_arp_ip_filter(struct wl1271 *wl, u8 enable, __be32 address);
int wl1271_acx_pm_config(struct wl1271 *wl);
int wl1271_acx_keep_alive_mode(struct wl1271 *wl, bool enable);
int wl1271_acx_keep_alive_config(struct wl1271 *wl, u8 index, u8 tpl_valid);

17
drivers/net/wireless/wl12xx/boot.c
View File

@ -467,7 +467,8 @@ static void wl1271_boot_hw_version(struct wl1271 *wl)
wl->hw_pg_ver = (s8)fuse;
}
int wl1271_boot(struct wl1271 *wl)
/* uploads NVS and firmware */
int wl1271_load_firmware(struct wl1271 *wl)
{
int ret = 0;
u32 tmp, clk, pause;
@ -572,6 +573,20 @@ int wl1271_boot(struct wl1271 *wl)
if (ret < 0)
goto out;
out:
return ret;
}
EXPORT_SYMBOL_GPL(wl1271_load_firmware);
int wl1271_boot(struct wl1271 *wl)
{
int ret;
/* upload NVS and firmware */
ret = wl1271_load_firmware(wl);
if (ret)
return ret;
/* 10.5 start firmware */
ret = wl1271_boot_run_firmware(wl);
if (ret < 0)

1
drivers/net/wireless/wl12xx/boot.h
View File

@ -27,6 +27,7 @@
#include "wl12xx.h"
int wl1271_boot(struct wl1271 *wl);
int wl1271_load_firmware(struct wl1271 *wl);
#define WL1271_NO_SUBBANDS 8
#define WL1271_NO_POWER_LEVELS 4

69
drivers/net/wireless/wl12xx/cmd.c
View File

@ -611,6 +611,75 @@ int wl1271_cmd_build_probe_req(struct wl1271 *wl,
return ret;
}
struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
struct sk_buff *skb)
{
int ret;
if (!skb)
skb = ieee80211_ap_probereq_get(wl->hw, wl->vif);
if (!skb)
goto out;
wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len);
if (wl->band == IEEE80211_BAND_2GHZ)
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
skb->data, skb->len, 0,
wl->conf.tx.basic_rate);
else
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
skb->data, skb->len, 0,
wl->conf.tx.basic_rate_5);
if (ret < 0)
wl1271_error("Unable to set ap probe request template.");
out:
return skb;
}
int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, __be32 ip_addr)
{
int ret;
struct wl12xx_arp_rsp_template tmpl;
struct ieee80211_hdr_3addr *hdr;
struct arphdr *arp_hdr;
memset(&tmpl, 0, sizeof(tmpl));
/* mac80211 header */
hdr = &tmpl.hdr;
hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
IEEE80211_STYPE_DATA |
IEEE80211_FCTL_TODS);
memcpy(hdr->addr1, wl->vif->bss_conf.bssid, ETH_ALEN);
memcpy(hdr->addr2, wl->vif->addr, ETH_ALEN);
memset(hdr->addr3, 0xff, ETH_ALEN);
/* llc layer */
memcpy(tmpl.llc_hdr, rfc1042_header, sizeof(rfc1042_header));
tmpl.llc_type = htons(ETH_P_ARP);
/* arp header */
arp_hdr = &tmpl.arp_hdr;
arp_hdr->ar_hrd = htons(ARPHRD_ETHER);
arp_hdr->ar_pro = htons(ETH_P_IP);
arp_hdr->ar_hln = ETH_ALEN;
arp_hdr->ar_pln = 4;
arp_hdr->ar_op = htons(ARPOP_REPLY);
/* arp payload */
memcpy(tmpl.sender_hw, wl->vif->addr, ETH_ALEN);
tmpl.sender_ip = ip_addr;
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP,
&tmpl, sizeof(tmpl), 0,
wl->basic_rate);
return ret;
}
int wl1271_build_qos_null_data(struct wl1271 *wl)
{
struct ieee80211_qos_hdr template;

4
drivers/net/wireless/wl12xx/cmd.h
View File

@ -49,6 +49,9 @@ int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid);
int wl1271_cmd_build_probe_req(struct wl1271 *wl,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len, u8 band);
struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
struct sk_buff *skb);
int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, __be32 ip_addr);
int wl1271_build_qos_null_data(struct wl1271 *wl);
int wl1271_cmd_build_klv_null_data(struct wl1271 *wl);
int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id);
@ -122,6 +125,7 @@ enum cmd_templ {
CMD_TEMPL_CTS, /*
* For CTS-to-self (FastCTS) mechanism
* for BT/WLAN coexistence (SoftGemini). */
CMD_TEMPL_ARP_RSP,
CMD_TEMPL_MAX = 0xff
};

192
drivers/net/wireless/wl12xx/debugfs.c
View File

@ -66,19 +66,10 @@ static const struct file_operations name## _ops = { \
};
#define DEBUGFS_ADD(name, parent) \
wl->debugfs.name = debugfs_create_file(#name, 0400, parent, \
wl, &name## _ops); \
if (IS_ERR(wl->debugfs.name)) { \
ret = PTR_ERR(wl->debugfs.name); \
wl->debugfs.name = NULL; \
goto out; \
}
#define DEBUGFS_DEL(name) \
do { \
debugfs_remove(wl->debugfs.name); \
wl->debugfs.name = NULL; \
} while (0)
entry = debugfs_create_file(#name, 0400, parent, \
wl, &name## _ops); \
if (!entry || IS_ERR(entry)) \
goto err; \
#define DEBUGFS_FWSTATS_FILE(sub, name, fmt) \
static ssize_t sub## _ ##name## _read(struct file *file, \
@ -100,10 +91,7 @@ static const struct file_operations sub## _ ##name## _ops = { \
};
#define DEBUGFS_FWSTATS_ADD(sub, name) \
DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)
#define DEBUGFS_FWSTATS_DEL(sub, name) \
DEBUGFS_DEL(sub## _ ##name)
DEBUGFS_ADD(sub## _ ##name, stats)
static void wl1271_debugfs_update_stats(struct wl1271 *wl)
{
@ -237,7 +225,7 @@ static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
char buf[20];
int res;
queue_len = skb_queue_len(&wl->tx_queue);
queue_len = wl->tx_queue_count;
res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
return simple_read_from_buffer(userbuf, count, ppos, buf, res);
@ -305,109 +293,16 @@ static const struct file_operations gpio_power_ops = {
.llseek = default_llseek,
};
static void wl1271_debugfs_delete_files(struct wl1271 *wl)
{
DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);
DEBUGFS_FWSTATS_DEL(rx, out_of_mem);
DEBUGFS_FWSTATS_DEL(rx, hdr_overflow);
DEBUGFS_FWSTATS_DEL(rx, hw_stuck);
DEBUGFS_FWSTATS_DEL(rx, dropped);
DEBUGFS_FWSTATS_DEL(rx, fcs_err);
DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig);
DEBUGFS_FWSTATS_DEL(rx, path_reset);
DEBUGFS_FWSTATS_DEL(rx, reset_counter);
DEBUGFS_FWSTATS_DEL(dma, rx_requested);
DEBUGFS_FWSTATS_DEL(dma, rx_errors);
DEBUGFS_FWSTATS_DEL(dma, tx_requested);
DEBUGFS_FWSTATS_DEL(dma, tx_errors);
DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt);
DEBUGFS_FWSTATS_DEL(isr, fiqs);
DEBUGFS_FWSTATS_DEL(isr, rx_headers);
DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow);
DEBUGFS_FWSTATS_DEL(isr, rx_rdys);
DEBUGFS_FWSTATS_DEL(isr, irqs);
DEBUGFS_FWSTATS_DEL(isr, tx_procs);
DEBUGFS_FWSTATS_DEL(isr, decrypt_done);
DEBUGFS_FWSTATS_DEL(isr, dma0_done);
DEBUGFS_FWSTATS_DEL(isr, dma1_done);
DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete);
DEBUGFS_FWSTATS_DEL(isr, commands);
DEBUGFS_FWSTATS_DEL(isr, rx_procs);
DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes);
DEBUGFS_FWSTATS_DEL(isr, host_acknowledges);
DEBUGFS_FWSTATS_DEL(isr, pci_pm);
DEBUGFS_FWSTATS_DEL(isr, wakeups);
DEBUGFS_FWSTATS_DEL(isr, low_rssi);
DEBUGFS_FWSTATS_DEL(wep, addr_key_count);
DEBUGFS_FWSTATS_DEL(wep, default_key_count);
/* skipping wep.reserved */
DEBUGFS_FWSTATS_DEL(wep, key_not_found);
DEBUGFS_FWSTATS_DEL(wep, decrypt_fail);
DEBUGFS_FWSTATS_DEL(wep, packets);
DEBUGFS_FWSTATS_DEL(wep, interrupt);
DEBUGFS_FWSTATS_DEL(pwr, ps_enter);
DEBUGFS_FWSTATS_DEL(pwr, elp_enter);
DEBUGFS_FWSTATS_DEL(pwr, missing_bcns);
DEBUGFS_FWSTATS_DEL(pwr, wake_on_host);
DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp);
DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps);
DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps);
DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons);
DEBUGFS_FWSTATS_DEL(pwr, power_save_off);
DEBUGFS_FWSTATS_DEL(pwr, enable_ps);
DEBUGFS_FWSTATS_DEL(pwr, disable_ps);
DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps);
/* skipping cont_miss_bcns_spread for now */
DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons);
DEBUGFS_FWSTATS_DEL(mic, rx_pkts);
DEBUGFS_FWSTATS_DEL(mic, calc_failure);
DEBUGFS_FWSTATS_DEL(aes, encrypt_fail);
DEBUGFS_FWSTATS_DEL(aes, decrypt_fail);
DEBUGFS_FWSTATS_DEL(aes, encrypt_packets);
DEBUGFS_FWSTATS_DEL(aes, decrypt_packets);
DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt);
DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt);
DEBUGFS_FWSTATS_DEL(event, heart_beat);
DEBUGFS_FWSTATS_DEL(event, calibration);
DEBUGFS_FWSTATS_DEL(event, rx_mismatch);
DEBUGFS_FWSTATS_DEL(event, rx_mem_empty);
DEBUGFS_FWSTATS_DEL(event, rx_pool);
DEBUGFS_FWSTATS_DEL(event, oom_late);
DEBUGFS_FWSTATS_DEL(event, phy_transmit_error);
DEBUGFS_FWSTATS_DEL(event, tx_stuck);
DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts);
DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts);
DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime);
DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn);
DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn);
DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization);
DEBUGFS_FWSTATS_DEL(ps, upsd_utilization);
DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop);
DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data);
DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data);
DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);
DEBUGFS_DEL(tx_queue_len);
DEBUGFS_DEL(retry_count);
DEBUGFS_DEL(excessive_retries);
DEBUGFS_DEL(gpio_power);
}
static int wl1271_debugfs_add_files(struct wl1271 *wl)
{
int ret = 0;
struct dentry *entry, *stats;
stats = debugfs_create_dir("fw-statistics", wl->rootdir);
if (!stats || IS_ERR(stats)) {
entry = stats;
goto err;
}
DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
@ -500,21 +395,33 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl)
DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);
DEBUGFS_ADD(tx_queue_len, wl->rootdir);
DEBUGFS_ADD(retry_count, wl->rootdir);
DEBUGFS_ADD(excessive_retries, wl->rootdir);
DEBUGFS_ADD(gpio_power, wl->debugfs.rootdir);
DEBUGFS_ADD(gpio_power, wl->rootdir);
out:
if (ret < 0)
wl1271_debugfs_delete_files(wl);
entry = debugfs_create_x32("debug_level", 0600, wl->rootdir,
&wl12xx_debug_level);
if (!entry || IS_ERR(entry))
goto err;
return 0;
err:
if (IS_ERR(entry))
ret = PTR_ERR(entry);
else
ret = -ENOMEM;
return ret;
}
void wl1271_debugfs_reset(struct wl1271 *wl)
{
if (!wl->rootdir)
return;
memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
wl->stats.retry_count = 0;
wl->stats.excessive_retries = 0;
@ -524,23 +431,15 @@ int wl1271_debugfs_init(struct wl1271 *wl)
{
int ret;
wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
wl->rootdir = debugfs_create_dir(KBUILD_MODNAME,
wl->hw->wiphy->debugfsdir);
if (IS_ERR(wl->debugfs.rootdir)) {
ret = PTR_ERR(wl->debugfs.rootdir);
wl->debugfs.rootdir = NULL;
if (IS_ERR(wl->rootdir)) {
ret = PTR_ERR(wl->rootdir);
wl->rootdir = NULL;
goto err;
}
wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics",
wl->debugfs.rootdir);
if (IS_ERR(wl->debugfs.fw_statistics)) {
ret = PTR_ERR(wl->debugfs.fw_statistics);
wl->debugfs.fw_statistics = NULL;
goto err_root;
}
wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
GFP_KERNEL);
@ -563,12 +462,8 @@ int wl1271_debugfs_init(struct wl1271 *wl)
wl->stats.fw_stats = NULL;
err_fw:
debugfs_remove(wl->debugfs.fw_statistics);
wl->debugfs.fw_statistics = NULL;
err_root:
debugfs_remove(wl->debugfs.rootdir);
wl->debugfs.rootdir = NULL;
debugfs_remove_recursive(wl->rootdir);
wl->rootdir = NULL;
err:
return ret;
@ -576,15 +471,10 @@ int wl1271_debugfs_init(struct wl1271 *wl)
void wl1271_debugfs_exit(struct wl1271 *wl)
{
wl1271_debugfs_delete_files(wl);
kfree(wl->stats.fw_stats);
wl->stats.fw_stats = NULL;
debugfs_remove(wl->debugfs.fw_statistics);
wl->debugfs.fw_statistics = NULL;
debugfs_remove(wl->debugfs.rootdir);
wl->debugfs.rootdir = NULL;
debugfs_remove_recursive(wl->rootdir);
wl->rootdir = NULL;
}

13
drivers/net/wireless/wl12xx/init.c
View File

@ -53,18 +53,16 @@ static int wl1271_init_hwenc_config(struct wl1271 *wl)
int wl1271_init_templates_config(struct wl1271 *wl)
{
int ret, i;
size_t size;
/* send empty templates for fw memory reservation */
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL,
sizeof(struct wl12xx_probe_req_template),
WL1271_CMD_TEMPL_MAX_SIZE,
0, WL1271_RATE_AUTOMATIC);
if (ret < 0)
return ret;
size = sizeof(struct wl12xx_probe_req_template);
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
NULL, size, 0,
NULL, WL1271_CMD_TEMPL_MAX_SIZE, 0,
WL1271_RATE_AUTOMATIC);
if (ret < 0)
return ret;
@ -102,6 +100,13 @@ int wl1271_init_templates_config(struct wl1271 *wl)
if (ret < 0)
return ret;
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP, NULL,
sizeof
(struct wl12xx_arp_rsp_template),
0, WL1271_RATE_AUTOMATIC);
if (ret < 0)
return ret;
for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV, NULL,
WL1271_CMD_TEMPL_MAX_SIZE, i,

1
drivers/net/wireless/wl12xx/io.c
View File

@ -113,6 +113,7 @@ int wl1271_set_partition(struct wl1271 *wl,
return 0;
}
EXPORT_SYMBOL_GPL(wl1271_set_partition);
void wl1271_io_reset(struct wl1271 *wl)
{

119
drivers/net/wireless/wl12xx/main.c
View File

@ -336,7 +336,8 @@ static int wl1271_dev_notify(struct notifier_block *me, unsigned long what,
}
static int wl1271_reg_notify(struct wiphy *wiphy,
struct regulatory_request *request) {
struct regulatory_request *request)
{
struct ieee80211_supported_band *band;
struct ieee80211_channel *ch;
int i;
@ -569,7 +570,7 @@ static void wl1271_irq_work(struct work_struct *work)
/* Check if any tx blocks were freed */
if (!test_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags) &&
!skb_queue_empty(&wl->tx_queue)) {
wl->tx_queue_count) {
/*
* In order to avoid starvation of the TX path,
* call the work function directly.
@ -890,6 +891,7 @@ static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb);
struct ieee80211_sta *sta = txinfo->control.sta;
unsigned long flags;
int q;
/*
* peek into the rates configured in the STA entry.
@ -917,10 +919,12 @@ static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags);
}
#endif
wl->tx_queue_count++;
spin_unlock_irqrestore(&wl->wl_lock, flags);
/* queue the packet */
skb_queue_tail(&wl->tx_queue, skb);
q = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
skb_queue_tail(&wl->tx_queue[q], skb);
/*
* The chip specific setup must run before the first TX packet -
@ -934,7 +938,7 @@ static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
* The workqueue is slow to process the tx_queue and we need stop
* the queue here, otherwise the queue will get too long.
*/
if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_HIGH_WATERMARK) {
if (wl->tx_queue_count >= WL1271_TX_QUEUE_HIGH_WATERMARK) {
wl1271_debug(DEBUG_TX, "op_tx: stopping queues");
spin_lock_irqsave(&wl->wl_lock, flags);
@ -1064,6 +1068,16 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
strncpy(wiphy->fw_version, wl->chip.fw_ver,
sizeof(wiphy->fw_version));
/*
* Now we know if 11a is supported (info from the NVS), so disable
* 11a channels if not supported
*/
if (!wl->enable_11a)
wiphy->bands[IEEE80211_BAND_5GHZ]->n_channels = 0;
wl1271_debug(DEBUG_MAC80211, "11a is %ssupported",
wl->enable_11a ? "" : "not ");
out:
mutex_unlock(&wl->mutex);
@ -1157,10 +1171,16 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
struct wl1271 *wl = hw->priv;
mutex_lock(&wl->mutex);
WARN_ON(wl->vif != vif);
__wl1271_op_remove_interface(wl);
mutex_unlock(&wl->mutex);
/*
* wl->vif can be null here if someone shuts down the interface
* just when hardware recovery has been started.
*/
if (wl->vif) {
WARN_ON(wl->vif != vif);
__wl1271_op_remove_interface(wl);
}
mutex_unlock(&wl->mutex);
cancel_work_sync(&wl->recovery_work);
}
@ -1801,21 +1821,21 @@ static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
return ret;
}
static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *beacon)
static void wl1271_ssid_set(struct wl1271 *wl, struct sk_buff *skb,
int offset)
{
u8 *ptr = beacon->data +
offsetof(struct ieee80211_mgmt, u.beacon.variable);
u8 *ptr = skb->data + offset;
/* find the location of the ssid in the beacon */
while (ptr < beacon->data + beacon->len) {
while (ptr < skb->data + skb->len) {
if (ptr[0] == WLAN_EID_SSID) {
wl->ssid_len = ptr[1];
memcpy(wl->ssid, ptr+2, wl->ssid_len);
return;
}
ptr += ptr[1];
ptr += (ptr[1] + 2);
}
wl1271_error("ad-hoc beacon template has no SSID!\n");
wl1271_error("No SSID in IEs!\n");
}
static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
@ -1858,8 +1878,11 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
if (beacon) {
struct ieee80211_hdr *hdr;
int ieoffset = offsetof(struct ieee80211_mgmt,
u.beacon.variable);
wl1271_ssid_set(wl, beacon, ieoffset);
wl1271_ssid_set(wl, beacon);
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON,
beacon->data,
beacon->len, 0,
@ -1939,6 +1962,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
if (changed & BSS_CHANGED_ASSOC) {
if (bss_conf->assoc) {
u32 rates;
int ieoffset;
wl->aid = bss_conf->aid;
set_assoc = true;
@ -1967,13 +1991,13 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
goto out_sleep;
/*
* The SSID is intentionally set to NULL here - the
* firmware will set the probe request with a
* broadcast SSID regardless of what we set in the
* template.
* Get a template for hardware connection maintenance
*/
ret = wl1271_cmd_build_probe_req(wl, NULL, 0,
NULL, 0, wl->band);
dev_kfree_skb(wl->probereq);
wl->probereq = wl1271_cmd_build_ap_probe_req(wl, NULL);
ieoffset = offsetof(struct ieee80211_mgmt,
u.probe_req.variable);
wl1271_ssid_set(wl, wl->probereq, ieoffset);
/* enable the connection monitoring feature */
ret = wl1271_acx_conn_monit_params(wl, true);
@ -1996,6 +2020,10 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags);
wl->aid = 0;
/* free probe-request template */
dev_kfree_skb(wl->probereq);
wl->probereq = NULL;
/* re-enable dynamic ps - just in case */
ieee80211_enable_dyn_ps(wl->vif);
@ -2085,10 +2113,26 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
__be32 addr = bss_conf->arp_addr_list[0];
WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS);
if (bss_conf->arp_addr_cnt == 1 && bss_conf->arp_filter_enabled)
ret = wl1271_acx_arp_ip_filter(wl, true, addr);
else
ret = wl1271_acx_arp_ip_filter(wl, false, addr);
if (bss_conf->arp_addr_cnt == 1 &&
bss_conf->arp_filter_enabled) {
/*
* The template should have been configured only upon
* association. however, it seems that the correct ip
* isn't being set (when sending), so we have to
* reconfigure the template upon every ip change.
*/
ret = wl1271_cmd_build_arp_rsp(wl, addr);
if (ret < 0) {
wl1271_warning("build arp rsp failed: %d", ret);
goto out_sleep;
}
ret = wl1271_acx_arp_ip_filter(wl,
(ACX_ARP_FILTER_ARP_FILTERING |
ACX_ARP_FILTER_AUTO_ARP),
addr);
} else
ret = wl1271_acx_arp_ip_filter(wl, 0, addr);
if (ret < 0)
goto out_sleep;
@ -2353,14 +2397,6 @@ static struct ieee80211_rate wl1271_rates_5ghz[] = {
/* 5 GHz band channels for WL1273 */
static struct ieee80211_channel wl1271_channels_5ghz[] = {
{ .hw_value = 183, .center_freq = 4915},
{ .hw_value = 184, .center_freq = 4920},
{ .hw_value = 185, .center_freq = 4925},
{ .hw_value = 187, .center_freq = 4935},
{ .hw_value = 188, .center_freq = 4940},
{ .hw_value = 189, .center_freq = 4945},
{ .hw_value = 192, .center_freq = 4960},
{ .hw_value = 196, .center_freq = 4980},
{ .hw_value = 7, .center_freq = 5035},
{ .hw_value = 8, .center_freq = 5040},
{ .hw_value = 9, .center_freq = 5045},
@ -2581,6 +2617,8 @@ int wl1271_register_hw(struct wl1271 *wl)
wl->mac80211_registered = true;
wl1271_debugfs_init(wl);
register_netdevice_notifier(&wl1271_dev_notifier);
wl1271_notice("loaded");
@ -2631,6 +2669,13 @@ int wl1271_init_ieee80211(struct wl1271 *wl)
wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC);
wl->hw->wiphy->max_scan_ssids = 1;
/*
* Maximum length of elements in scanning probe request templates
* should be the maximum length possible for a template, without
* the IEEE80211 header of the template
*/
wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE -
sizeof(struct ieee80211_header);
wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz;
wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz;
@ -2677,7 +2722,8 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
wl->hw = hw;
wl->plat_dev = plat_dev;
skb_queue_head_init(&wl->tx_queue);
for (i = 0; i < NUM_TX_QUEUES; i++)
skb_queue_head_init(&wl->tx_queue[i]);
INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work);
INIT_DELAYED_WORK(&wl->pspoll_work, wl1271_pspoll_work);
@ -2715,8 +2761,6 @@ struct ieee80211_hw *wl1271_alloc_hw(void)
/* Apply default driver configuration. */
wl1271_conf_init(wl);
wl1271_debugfs_init(wl);
order = get_order(WL1271_AGGR_BUFFER_SIZE);
wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order);
if (!wl->aggr_buf) {
@ -2793,6 +2837,11 @@ int wl1271_free_hw(struct wl1271 *wl)
}
EXPORT_SYMBOL_GPL(wl1271_free_hw);
u32 wl12xx_debug_level;
EXPORT_SYMBOL_GPL(wl12xx_debug_level);
module_param_named(debug_level, wl12xx_debug_level, uint, DEBUG_NONE);
MODULE_PARM_DESC(debug_level, "wl12xx debugging level");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>");

4
drivers/net/wireless/wl12xx/scan.c
View File

@ -51,6 +51,10 @@ void wl1271_scan_complete_work(struct work_struct *work)
wl->scan.req = NULL;
ieee80211_scan_completed(wl->hw, false);
/* restore hardware connection monitoring template */
if (test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags))
wl1271_cmd_build_ap_probe_req(wl, wl->probereq);
if (wl->scan.failed) {
wl1271_info("Scan completed due to error.");
ieee80211_queue_work(wl->hw, &wl->recovery_work);

520
drivers/net/wireless/wl12xx/sdio_test.c Normal file
View File

@ -0,0 +1,520 @@
/*
* SDIO testing driver for wl12xx
*
* Copyright (C) 2010 Nokia Corporation
*
* Contact: Roger Quadros <roger.quadros@nokia.com>
*
* wl12xx read/write routines taken from the main module
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include <linux/irq.h>
#include <linux/module.h>
#include <linux/crc7.h>
#include <linux/vmalloc.h>
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/sdio_ids.h>
#include <linux/mmc/card.h>
#include <linux/gpio.h>
#include <linux/wl12xx.h>
#include <linux/kthread.h>
#include <linux/firmware.h>
#include <linux/pm_runtime.h>
#include "wl12xx.h"
#include "io.h"
#include "boot.h"
#ifndef SDIO_VENDOR_ID_TI
#define SDIO_VENDOR_ID_TI 0x0097
#endif
#ifndef SDIO_DEVICE_ID_TI_WL1271
#define SDIO_DEVICE_ID_TI_WL1271 0x4076
#endif
static bool rx, tx;
module_param(rx, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(rx, "Perform rx test. Default (0). "
"This test continuously reads data from the SDIO device.\n");
module_param(tx, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(tx, "Perform tx test. Default (0). "
"This test continuously writes data to the SDIO device.\n");
struct wl1271_test {
struct wl1271 wl;
struct task_struct *test_task;
};
static const struct sdio_device_id wl1271_devices[] = {
{ SDIO_DEVICE(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271) },
{}
};
static inline struct sdio_func *wl_to_func(struct wl1271 *wl)
{
return wl->if_priv;
}
static struct device *wl1271_sdio_wl_to_dev(struct wl1271 *wl)
{
return &(wl_to_func(wl)->dev);
}
static void wl1271_sdio_raw_read(struct wl1271 *wl, int addr, void *buf,
size_t len, bool fixed)
{
int ret = 0;
struct sdio_func *func = wl_to_func(wl);
if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) {
((u8 *)buf)[0] = sdio_f0_readb(func, addr, &ret);
wl1271_debug(DEBUG_SDIO, "sdio read 52 addr 0x%x, byte 0x%02x",
addr, ((u8 *)buf)[0]);
} else {
if (fixed)
ret = sdio_readsb(func, buf, addr, len);
else
ret = sdio_memcpy_fromio(func, buf, addr, len);
wl1271_debug(DEBUG_SDIO, "sdio read 53 addr 0x%x, %zu bytes",
addr, len);
wl1271_dump_ascii(DEBUG_SDIO, "data: ", buf, len);
}
if (ret)
wl1271_error("sdio read failed (%d)", ret);
}
static void wl1271_sdio_raw_write(struct wl1271 *wl, int addr, void *buf,
size_t len, bool fixed)
{
int ret = 0;
struct sdio_func *func = wl_to_func(wl);
if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG_ADDR)) {
sdio_f0_writeb(func, ((u8 *)buf)[0], addr, &ret);
wl1271_debug(DEBUG_SDIO, "sdio write 52 addr 0x%x, byte 0x%02x",
addr, ((u8 *)buf)[0]);
} else {
wl1271_debug(DEBUG_SDIO, "sdio write 53 addr 0x%x, %zu bytes",
addr, len);
wl1271_dump_ascii(DEBUG_SDIO, "data: ", buf, len);
if (fixed)
ret = sdio_writesb(func, addr, buf, len);
else
ret = sdio_memcpy_toio(func, addr, buf, len);
}
if (ret)
wl1271_error("sdio write failed (%d)", ret);
}
static int wl1271_sdio_set_power(struct wl1271 *wl, bool enable)
{
struct sdio_func *func = wl_to_func(wl);
int ret;
/* Let the SDIO stack handle wlan_enable control, so we
* keep host claimed while wlan is in use to keep wl1271
* alive.
*/
if (enable) {
/* Power up the card */
ret = pm_runtime_get_sync(&func->dev);
if (ret < 0)
goto out;
sdio_claim_host(func);
sdio_enable_func(func);
sdio_release_host(func);
} else {
sdio_claim_host(func);
sdio_disable_func(func);
sdio_release_host(func);
/* Power down the card */
ret = pm_runtime_put_sync(&func->dev);
}
out:
return ret;
}
static void wl1271_sdio_disable_interrupts(struct wl1271 *wl)
{
}
static void wl1271_sdio_enable_interrupts(struct wl1271 *wl)
{
}
static struct wl1271_if_operations sdio_ops = {
.read = wl1271_sdio_raw_read,
.write = wl1271_sdio_raw_write,
.power = wl1271_sdio_set_power,
.dev = wl1271_sdio_wl_to_dev,
.enable_irq = wl1271_sdio_enable_interrupts,
.disable_irq = wl1271_sdio_disable_interrupts,
};
static void wl1271_fw_wakeup(struct wl1271 *wl)
{
u32 elp_reg;
elp_reg = ELPCTRL_WAKE_UP;
wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg);
}
static int wl1271_fetch_firmware(struct wl1271 *wl)
{
const struct firmware *fw;
int ret;
ret = request_firmware(&fw, WL1271_FW_NAME, wl1271_wl_to_dev(wl));
if (ret < 0) {
wl1271_error("could not get firmware: %d", ret);
return ret;
}
if (fw->size % 4) {
wl1271_error("firmware size is not multiple of 32 bits: %zu",
fw->size);
ret = -EILSEQ;
goto out;
}
wl->fw_len = fw->size;
wl->fw = vmalloc(wl->fw_len);
if (!wl->fw) {
wl1271_error("could not allocate memory for the firmware");
ret = -ENOMEM;
goto out;
}
memcpy(wl->fw, fw->data, wl->fw_len);
ret = 0;
out:
release_firmware(fw);
return ret;
}
static int wl1271_fetch_nvs(struct wl1271 *wl)
{
const struct firmware *fw;
int ret;
ret = request_firmware(&fw, WL1271_NVS_NAME, wl1271_wl_to_dev(wl));
if (ret < 0) {
wl1271_error("could not get nvs file: %d", ret);
return ret;
}
wl->nvs = kmemdup(fw->data, sizeof(struct wl1271_nvs_file), GFP_KERNEL);
if (!wl->nvs) {
wl1271_error("could not allocate memory for the nvs file");
ret = -ENOMEM;
goto out;
}
wl->nvs_len = fw->size;
out:
release_firmware(fw);
return ret;
}
static int wl1271_chip_wakeup(struct wl1271 *wl)
{
struct wl1271_partition_set partition;
int ret;
msleep(WL1271_PRE_POWER_ON_SLEEP);
ret = wl1271_power_on(wl);
if (ret)
return ret;
msleep(WL1271_POWER_ON_SLEEP);
/* We don't need a real memory partition here, because we only want
* to use the registers at this point. */
memset(&partition, 0, sizeof(partition));
partition.reg.start = REGISTERS_BASE;
partition.reg.size = REGISTERS_DOWN_SIZE;
wl1271_set_partition(wl, &partition);
/* ELP module wake up */
wl1271_fw_wakeup(wl);
/* whal_FwCtrl_BootSm() */
/* 0. read chip id from CHIP_ID */
wl->chip.id = wl1271_read32(wl, CHIP_ID_B);
/* 1. check if chip id is valid */
switch (wl->chip.id) {
case CHIP_ID_1271_PG10:
wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete",
wl->chip.id);
break;
case CHIP_ID_1271_PG20:
wl1271_notice("chip id 0x%x (1271 PG20)",
wl->chip.id);
break;
default:
wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
return -ENODEV;
}
return ret;
}
static struct wl1271_partition_set part_down = {
.mem = {
.start = 0x00000000,
.size = 0x000177c0
},
.reg = {
.start = REGISTERS_BASE,
.size = 0x00008800
},
.mem2 = {
.start = 0x00000000,
.size = 0x00000000
},
.mem3 = {
.start = 0x00000000,
.size = 0x00000000
},
};
static int tester(void *data)
{
struct wl1271 *wl = data;
struct sdio_func *func = wl_to_func(wl);
struct device *pdev = &func->dev;
int ret = 0;
bool rx_started = 0;
bool tx_started = 0;
uint8_t *tx_buf, *rx_buf;
int test_size = PAGE_SIZE;
u32 addr = 0;
struct wl1271_partition_set partition;
/* We assume chip is powered up and firmware fetched */
memcpy(&partition, &part_down, sizeof(partition));
partition.mem.start = addr;
wl1271_set_partition(wl, &partition);
tx_buf = kmalloc(test_size, GFP_KERNEL);
rx_buf = kmalloc(test_size, GFP_KERNEL);
if (!tx_buf || !rx_buf) {
dev_err(pdev,
"Could not allocate memory. Test will not run.\n");
ret = -ENOMEM;
goto free;
}
memset(tx_buf, 0x5a, test_size);
/* write something in data area so we can read it back */
wl1271_write(wl, addr, tx_buf, test_size, false);
while (!kthread_should_stop()) {
if (rx && !rx_started) {
dev_info(pdev, "starting rx test\n");
rx_started = 1;
} else if (!rx && rx_started) {
dev_info(pdev, "stopping rx test\n");
rx_started = 0;
}
if (tx && !tx_started) {
dev_info(pdev, "starting tx test\n");
tx_started = 1;
} else if (!tx && tx_started) {
dev_info(pdev, "stopping tx test\n");
tx_started = 0;
}
if (rx_started)
wl1271_read(wl, addr, rx_buf, test_size, false);
if (tx_started)
wl1271_write(wl, addr, tx_buf, test_size, false);
if (!rx_started && !tx_started)
msleep(100);
}
free:
kfree(tx_buf);
kfree(rx_buf);
return ret;
}
static int __devinit wl1271_probe(struct sdio_func *func,
const struct sdio_device_id *id)
{
const struct wl12xx_platform_data *wlan_data;
struct wl1271 *wl;
struct wl1271_test *wl_test;
int ret = 0;
/* wl1271 has 2 sdio functions we handle just the wlan part */
if (func->num != 0x02)
return -ENODEV;
wl_test = kzalloc(sizeof(struct wl1271_test), GFP_KERNEL);
if (!wl_test) {
dev_err(&func->dev, "Could not allocate memory\n");
return -ENOMEM;
}
wl = &wl_test->wl;
wl->if_priv = func;
wl->if_ops = &sdio_ops;
/* Grab access to FN0 for ELP reg. */
func->card->quirks |= MMC_QUIRK_LENIENT_FN0;
wlan_data = wl12xx_get_platform_data();
if (IS_ERR(wlan_data)) {
ret = PTR_ERR(wlan_data);
dev_err(&func->dev, "missing wlan platform data: %d\n", ret);
goto out_free;
}
wl->irq = wlan_data->irq;
wl->ref_clock = wlan_data->board_ref_clock;
sdio_set_drvdata(func, wl_test);
/* power up the device */
ret = wl1271_chip_wakeup(wl);
if (ret) {
dev_err(&func->dev, "could not wake up chip\n");
goto out_free;
}
if (wl->fw == NULL) {
ret = wl1271_fetch_firmware(wl);
if (ret < 0) {
dev_err(&func->dev, "firmware fetch error\n");
goto out_off;
}
}
/* fetch NVS */
if (wl->nvs == NULL) {
ret = wl1271_fetch_nvs(wl);
if (ret < 0) {
dev_err(&func->dev, "NVS fetch error\n");
goto out_off;
}
}
ret = wl1271_load_firmware(wl);
if (ret < 0) {
dev_err(&func->dev, "firmware load error: %d\n", ret);
goto out_free;
}
dev_info(&func->dev, "initialized\n");
/* I/O testing will be done in the tester thread */
wl_test->test_task = kthread_run(tester, wl, "sdio_tester");
if (IS_ERR(wl_test->test_task)) {
dev_err(&func->dev, "unable to create kernel thread\n");
ret = PTR_ERR(wl_test->test_task);
goto out_free;
}
return 0;
out_off:
/* power off the chip */
wl1271_power_off(wl);
out_free:
kfree(wl_test);
return ret;
}
static void __devexit wl1271_remove(struct sdio_func *func)
{
struct wl1271_test *wl_test = sdio_get_drvdata(func);
/* stop the I/O test thread */
kthread_stop(wl_test->test_task);
/* power off the chip */
wl1271_power_off(&wl_test->wl);
vfree(wl_test->wl.fw);
wl_test->wl.fw = NULL;
kfree(wl_test->wl.nvs);
wl_test->wl.nvs = NULL;
kfree(wl_test);
}
static struct sdio_driver wl1271_sdio_driver = {
.name = "wl12xx_sdio_test",
.id_table = wl1271_devices,
.probe = wl1271_probe,
.remove = __devexit_p(wl1271_remove),
};
static int __init wl1271_init(void)
{
int ret;
ret = sdio_register_driver(&wl1271_sdio_driver);
if (ret < 0)
pr_err("failed to register sdio driver: %d\n", ret);
return ret;
}
module_init(wl1271_init);
static void __exit wl1271_exit(void)
{
sdio_unregister_driver(&wl1271_sdio_driver);
}
module_exit(wl1271_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Roger Quadros <roger.quadros@nokia.com>");

60
drivers/net/wireless/wl12xx/tx.c
View File

@ -125,7 +125,6 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb,
/* queue (we use same identifiers for tid's and ac's */
ac = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
desc->tid = ac;
desc->aid = TX_HW_DEFAULT_AID;
desc->reserved = 0;
@ -228,7 +227,7 @@ static void handle_tx_low_watermark(struct wl1271 *wl)
unsigned long flags;
if (test_bit(WL1271_FLAG_TX_QUEUE_STOPPED, &wl->flags) &&
skb_queue_len(&wl->tx_queue) <= WL1271_TX_QUEUE_LOW_WATERMARK) {
wl->tx_queue_count <= WL1271_TX_QUEUE_LOW_WATERMARK) {
/* firmware buffer has space, restart queues */
spin_lock_irqsave(&wl->wl_lock, flags);
ieee80211_wake_queues(wl->hw);
@ -237,6 +236,43 @@ static void handle_tx_low_watermark(struct wl1271 *wl)
}
}
static struct sk_buff *wl1271_skb_dequeue(struct wl1271 *wl)
{
struct sk_buff *skb = NULL;
unsigned long flags;
skb = skb_dequeue(&wl->tx_queue[CONF_TX_AC_VO]);
if (skb)
goto out;
skb = skb_dequeue(&wl->tx_queue[CONF_TX_AC_VI]);
if (skb)
goto out;
skb = skb_dequeue(&wl->tx_queue[CONF_TX_AC_BE]);
if (skb)
goto out;
skb = skb_dequeue(&wl->tx_queue[CONF_TX_AC_BK]);
out:
if (skb) {
spin_lock_irqsave(&wl->wl_lock, flags);
wl->tx_queue_count--;
spin_unlock_irqrestore(&wl->wl_lock, flags);
}
return skb;
}
static void wl1271_skb_queue_head(struct wl1271 *wl, struct sk_buff *skb)
{
unsigned long flags;
int q = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
skb_queue_head(&wl->tx_queue[q], skb);
spin_lock_irqsave(&wl->wl_lock, flags);
wl->tx_queue_count++;
spin_unlock_irqrestore(&wl->wl_lock, flags);
}
void wl1271_tx_work_locked(struct wl1271 *wl)
{
struct sk_buff *skb;
@ -270,7 +306,7 @@ void wl1271_tx_work_locked(struct wl1271 *wl)
wl1271_acx_rate_policies(wl);
}
while ((skb = skb_dequeue(&wl->tx_queue))) {
while ((skb = wl1271_skb_dequeue(wl))) {
if (!woken_up) {
ret = wl1271_ps_elp_wakeup(wl, false);
if (ret < 0)
@ -284,9 +320,9 @@ void wl1271_tx_work_locked(struct wl1271 *wl)
* Aggregation buffer is full.
* Flush buffer and try again.
*/
skb_queue_head(&wl->tx_queue, skb);
wl1271_skb_queue_head(wl, skb);
wl1271_write(wl, WL1271_SLV_MEM_DATA, wl->aggr_buf,
buf_offset, true);
buf_offset, true);
sent_packets = true;
buf_offset = 0;
continue;
@ -295,7 +331,7 @@ void wl1271_tx_work_locked(struct wl1271 *wl)
* Firmware buffer is full.
* Queue back last skb, and stop aggregating.
*/
skb_queue_head(&wl->tx_queue, skb);
wl1271_skb_queue_head(wl, skb);
/* No work left, avoid scheduling redundant tx work */
set_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags);
goto out_ack;
@ -440,10 +476,13 @@ void wl1271_tx_reset(struct wl1271 *wl)
struct sk_buff *skb;
/* TX failure */
while ((skb = skb_dequeue(&wl->tx_queue))) {
wl1271_debug(DEBUG_TX, "freeing skb 0x%p", skb);
ieee80211_tx_status(wl->hw, skb);
for (i = 0; i < NUM_TX_QUEUES; i++) {
while ((skb = skb_dequeue(&wl->tx_queue[i]))) {
wl1271_debug(DEBUG_TX, "freeing skb 0x%p", skb);
ieee80211_tx_status(wl->hw, skb);
}
}
wl->tx_queue_count = 0;
/*
* Make sure the driver is at a consistent state, in case this
@ -472,8 +511,7 @@ void wl1271_tx_flush(struct wl1271 *wl)
mutex_lock(&wl->mutex);
wl1271_debug(DEBUG_TX, "flushing tx buffer: %d",
wl->tx_frames_cnt);
if ((wl->tx_frames_cnt == 0) &&
skb_queue_empty(&wl->tx_queue)) {
if ((wl->tx_frames_cnt == 0) && (wl->tx_queue_count == 0)) {
mutex_unlock(&wl->mutex);
return;
}

129
drivers/net/wireless/wl12xx/wl12xx.h
View File

@ -60,31 +60,32 @@ enum {
DEBUG_ALL = ~0,
};
#define DEBUG_LEVEL (DEBUG_NONE)
extern u32 wl12xx_debug_level;
#define DEBUG_DUMP_LIMIT 1024
#define wl1271_error(fmt, arg...) \
printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg)
pr_err(DRIVER_PREFIX "ERROR " fmt "\n", ##arg)
#define wl1271_warning(fmt, arg...) \
printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg)
pr_warning(DRIVER_PREFIX "WARNING " fmt "\n", ##arg)
#define wl1271_notice(fmt, arg...) \
printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg)
pr_info(DRIVER_PREFIX fmt "\n", ##arg)
#define wl1271_info(fmt, arg...) \
printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg)
pr_info(DRIVER_PREFIX fmt "\n", ##arg)
#define wl1271_debug(level, fmt, arg...) \
do { \
if (level & DEBUG_LEVEL) \
printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \
if (level & wl12xx_debug_level) \
pr_debug(DRIVER_PREFIX fmt "\n", ##arg); \
} while (0)
/* TODO: use pr_debug_hex_dump when it will be available */
#define wl1271_dump(level, prefix, buf, len) \
do { \
if (level & DEBUG_LEVEL) \
if (level & wl12xx_debug_level) \
print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
DUMP_PREFIX_OFFSET, 16, 1, \
buf, \
@ -94,7 +95,7 @@ enum {
#define wl1271_dump_ascii(level, prefix, buf, len) \
do { \
if (level & DEBUG_LEVEL) \
if (level & wl12xx_debug_level) \
print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
DUMP_PREFIX_OFFSET, 16, 1, \
buf, \
@ -174,108 +175,6 @@ struct wl1271_stats {
unsigned int excessive_retries;
};
struct wl1271_debugfs {
struct dentry *rootdir;
struct dentry *fw_statistics;
struct dentry *tx_internal_desc_overflow;
struct dentry *rx_out_of_mem;
struct dentry *rx_hdr_overflow;
struct dentry *rx_hw_stuck;
struct dentry *rx_dropped;
struct dentry *rx_fcs_err;
struct dentry *rx_xfr_hint_trig;
struct dentry *rx_path_reset;
struct dentry *rx_reset_counter;
struct dentry *dma_rx_requested;
struct dentry *dma_rx_errors;
struct dentry *dma_tx_requested;
struct dentry *dma_tx_errors;
struct dentry *isr_cmd_cmplt;
struct dentry *isr_fiqs;
struct dentry *isr_rx_headers;
struct dentry *isr_rx_mem_overflow;
struct dentry *isr_rx_rdys;
struct dentry *isr_irqs;
struct dentry *isr_tx_procs;
struct dentry *isr_decrypt_done;
struct dentry *isr_dma0_done;
struct dentry *isr_dma1_done;
struct dentry *isr_tx_exch_complete;
struct dentry *isr_commands;
struct dentry *isr_rx_procs;
struct dentry *isr_hw_pm_mode_changes;
struct dentry *isr_host_acknowledges;
struct dentry *isr_pci_pm;
struct dentry *isr_wakeups;
struct dentry *isr_low_rssi;
struct dentry *wep_addr_key_count;
struct dentry *wep_default_key_count;
/* skipping wep.reserved */
struct dentry *wep_key_not_found;
struct dentry *wep_decrypt_fail;
struct dentry *wep_packets;
struct dentry *wep_interrupt;
struct dentry *pwr_ps_enter;
struct dentry *pwr_elp_enter;
struct dentry *pwr_missing_bcns;
struct dentry *pwr_wake_on_host;
struct dentry *pwr_wake_on_timer_exp;
struct dentry *pwr_tx_with_ps;
struct dentry *pwr_tx_without_ps;
struct dentry *pwr_rcvd_beacons;
struct dentry *pwr_power_save_off;
struct dentry *pwr_enable_ps;
struct dentry *pwr_disable_ps;
struct dentry *pwr_fix_tsf_ps;
/* skipping cont_miss_bcns_spread for now */
struct dentry *pwr_rcvd_awake_beacons;
struct dentry *mic_rx_pkts;
struct dentry *mic_calc_failure;
struct dentry *aes_encrypt_fail;
struct dentry *aes_decrypt_fail;
struct dentry *aes_encrypt_packets;
struct dentry *aes_decrypt_packets;
struct dentry *aes_encrypt_interrupt;
struct dentry *aes_decrypt_interrupt;
struct dentry *event_heart_beat;
struct dentry *event_calibration;
struct dentry *event_rx_mismatch;
struct dentry *event_rx_mem_empty;
struct dentry *event_rx_pool;
struct dentry *event_oom_late;
struct dentry *event_phy_transmit_error;
struct dentry *event_tx_stuck;
struct dentry *ps_pspoll_timeouts;
struct dentry *ps_upsd_timeouts;
struct dentry *ps_upsd_max_sptime;
struct dentry *ps_upsd_max_apturn;
struct dentry *ps_pspoll_max_apturn;
struct dentry *ps_pspoll_utilization;
struct dentry *ps_upsd_utilization;
struct dentry *rxpipe_rx_prep_beacon_drop;
struct dentry *rxpipe_descr_host_int_trig_rx_data;
struct dentry *rxpipe_beacon_buffer_thres_host_int_trig_rx_data;
struct dentry *rxpipe_missed_beacon_host_int_trig_rx_data;
struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data;
struct dentry *tx_queue_len;
struct dentry *retry_count;
struct dentry *excessive_retries;
struct dentry *gpio_power;
};
#define NUM_TX_QUEUES 4
#define NUM_RX_PKT_DESC 8
@ -393,7 +292,8 @@ struct wl1271 {
int session_counter;
/* Frames scheduled for transmission, not handled yet */
struct sk_buff_head tx_queue;
struct sk_buff_head tx_queue[NUM_TX_QUEUES];
int tx_queue_count;
struct work_struct tx_work;
@ -431,6 +331,9 @@ struct wl1271 {
struct wl1271_scan scan;
struct delayed_work scan_complete_work;
/* probe-req template for the current AP */
struct sk_buff *probereq;
/* Our association ID */
u16 aid;
@ -475,7 +378,7 @@ struct wl1271 {
int last_rssi_event;
struct wl1271_stats stats;
struct wl1271_debugfs debugfs;
struct dentry *rootdir;
__le32 buffer_32;
u32 buffer_cmd;

17
drivers/net/wireless/wl12xx/wl12xx_80211.h
View File

@ -2,6 +2,7 @@
#define __WL12XX_80211_H__
#include <linux/if_ether.h> /* ETH_ALEN */
#include <linux/if_arp.h>
/* RATES */
#define IEEE80211_CCK_RATE_1MB 0x02
@ -133,11 +134,17 @@ struct wl12xx_qos_null_data_template {
__le16 qos_ctl;
} __packed;
struct wl12xx_probe_req_template {
struct ieee80211_header header;
struct wl12xx_ie_ssid ssid;
struct wl12xx_ie_rates rates;
struct wl12xx_ie_rates ext_rates;
struct wl12xx_arp_rsp_template {
struct ieee80211_hdr_3addr hdr;
u8 llc_hdr[sizeof(rfc1042_header)];
u16 llc_type;
struct arphdr arp_hdr;
u8 sender_hw[ETH_ALEN];
u32 sender_ip;
u8 target_hw[ETH_ALEN];
u32 target_ip;
} __packed;