diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/debug.c')
-rw-r--r-- | drivers/net/wireless/ath/ath5k/debug.c | 213 |
1 files changed, 184 insertions, 29 deletions
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c index 6fb5c5ffa5b1..acda56ee521b 100644 --- a/drivers/net/wireless/ath/ath5k/debug.c +++ b/drivers/net/wireless/ath/ath5k/debug.c @@ -60,6 +60,7 @@ #include "base.h" #include "debug.h" +#include "../debug.h" static unsigned int ath5k_debug; module_param_named(debug, ath5k_debug, uint, 0); @@ -71,8 +72,6 @@ module_param_named(debug, ath5k_debug, uint, 0); #include "reg.h" #include "ani.h" -static struct dentry *ath5k_global_debugfs; - static int ath5k_debugfs_open(struct inode *inode, struct file *file) { file->private_data = inode->i_private; @@ -239,6 +238,9 @@ static ssize_t read_file_beacon(struct file *file, char __user *user_buf, "TSF\t\t0x%016llx\tTU: %08x\n", (unsigned long long)tsf, TSF_TO_TU(tsf)); + if (len > sizeof(buf)) + len = sizeof(buf); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); } @@ -268,6 +270,7 @@ static const struct file_operations fops_beacon = { .write = write_file_beacon, .open = ath5k_debugfs_open, .owner = THIS_MODULE, + .llseek = default_llseek, }; @@ -278,7 +281,8 @@ static ssize_t write_file_reset(struct file *file, size_t count, loff_t *ppos) { struct ath5k_softc *sc = file->private_data; - tasklet_schedule(&sc->restq); + ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "debug file triggered reset\n"); + ieee80211_queue_work(sc->hw, &sc->reset_work); return count; } @@ -286,6 +290,7 @@ static const struct file_operations fops_reset = { .write = write_file_reset, .open = ath5k_debugfs_open, .owner = THIS_MODULE, + .llseek = noop_llseek, }; @@ -307,8 +312,8 @@ static const struct { { ATH5K_DEBUG_DUMP_RX, "dumprx", "print received skb content" }, { ATH5K_DEBUG_DUMP_TX, "dumptx", "print transmit skb content" }, { ATH5K_DEBUG_DUMPBANDS, "dumpbands", "dump bands" }, - { ATH5K_DEBUG_TRACE, "trace", "trace function calls" }, { ATH5K_DEBUG_ANI, "ani", "adaptive noise immunity" }, + { ATH5K_DEBUG_DESC, "desc", "descriptor chains" }, { ATH5K_DEBUG_ANY, "all", "show all debug levels" }, }; @@ -334,6 +339,9 @@ static ssize_t read_file_debug(struct file *file, char __user *user_buf, sc->debug.level == dbg_info[i].level ? '+' : ' ', dbg_info[i].level, dbg_info[i].desc); + if (len > sizeof(buf)) + len = sizeof(buf); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); } @@ -363,6 +371,7 @@ static const struct file_operations fops_debug = { .write = write_file_debug, .open = ath5k_debugfs_open, .owner = THIS_MODULE, + .llseek = default_llseek, }; @@ -426,6 +435,16 @@ static ssize_t read_file_antenna(struct file *file, char __user *user_buf, "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n", (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0); + v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_0); + len += snprintf(buf+len, sizeof(buf)-len, + "\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n", v); + v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_ANT_SWITCH_TABLE_1); + len += snprintf(buf+len, sizeof(buf)-len, + "AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n", v); + + if (len > sizeof(buf)) + len = sizeof(buf); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); } @@ -464,6 +483,61 @@ static const struct file_operations fops_antenna = { .write = write_file_antenna, .open = ath5k_debugfs_open, .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +/* debugfs: misc */ + +static ssize_t read_file_misc(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath5k_softc *sc = file->private_data; + char buf[700]; + unsigned int len = 0; + u32 filt = ath5k_hw_get_rx_filter(sc->ah); + + len += snprintf(buf+len, sizeof(buf)-len, "bssid-mask: %pM\n", + sc->bssidmask); + len += snprintf(buf+len, sizeof(buf)-len, "filter-flags: 0x%x ", + filt); + if (filt & AR5K_RX_FILTER_UCAST) + len += snprintf(buf+len, sizeof(buf)-len, " UCAST"); + if (filt & AR5K_RX_FILTER_MCAST) + len += snprintf(buf+len, sizeof(buf)-len, " MCAST"); + if (filt & AR5K_RX_FILTER_BCAST) + len += snprintf(buf+len, sizeof(buf)-len, " BCAST"); + if (filt & AR5K_RX_FILTER_CONTROL) + len += snprintf(buf+len, sizeof(buf)-len, " CONTROL"); + if (filt & AR5K_RX_FILTER_BEACON) + len += snprintf(buf+len, sizeof(buf)-len, " BEACON"); + if (filt & AR5K_RX_FILTER_PROM) + len += snprintf(buf+len, sizeof(buf)-len, " PROM"); + if (filt & AR5K_RX_FILTER_XRPOLL) + len += snprintf(buf+len, sizeof(buf)-len, " XRPOLL"); + if (filt & AR5K_RX_FILTER_PROBEREQ) + len += snprintf(buf+len, sizeof(buf)-len, " PROBEREQ"); + if (filt & AR5K_RX_FILTER_PHYERR_5212) + len += snprintf(buf+len, sizeof(buf)-len, " PHYERR-5212"); + if (filt & AR5K_RX_FILTER_RADARERR_5212) + len += snprintf(buf+len, sizeof(buf)-len, " RADARERR-5212"); + if (filt & AR5K_RX_FILTER_PHYERR_5211) + snprintf(buf+len, sizeof(buf)-len, " PHYERR-5211"); + if (filt & AR5K_RX_FILTER_RADARERR_5211) + len += snprintf(buf+len, sizeof(buf)-len, " RADARERR-5211"); + + len += snprintf(buf+len, sizeof(buf)-len, "\nopmode: %s (%d)\n", + ath_opmode_to_string(sc->opmode), sc->opmode); + + if (len > sizeof(buf)) + len = sizeof(buf); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static const struct file_operations fops_misc = { + .read = read_file_misc, + .open = ath5k_debugfs_open, + .owner = THIS_MODULE, }; @@ -517,6 +591,8 @@ static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf, st->rxerr_jumbo*100/st->rx_all_count : 0); len += snprintf(buf+len, sizeof(buf)-len, "[RX all\t%d]\n", st->rx_all_count); + len += snprintf(buf+len, sizeof(buf)-len, "RX-all-bytes\t%d\n", + st->rx_bytes_count); len += snprintf(buf+len, sizeof(buf)-len, "\nTX\n---------------------\n"); @@ -534,6 +610,11 @@ static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf, st->txerr_filt*100/st->tx_all_count : 0); len += snprintf(buf+len, sizeof(buf)-len, "[TX all\t%d]\n", st->tx_all_count); + len += snprintf(buf+len, sizeof(buf)-len, "TX-all-bytes\t%d\n", + st->tx_bytes_count); + + if (len > sizeof(buf)) + len = sizeof(buf); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } @@ -572,6 +653,7 @@ static const struct file_operations fops_frameerrors = { .write = write_file_frameerrors, .open = ath5k_debugfs_open, .owner = THIS_MODULE, + .llseek = default_llseek, }; @@ -638,20 +720,21 @@ static ssize_t read_file_ani(struct file *file, char __user *user_buf, len += snprintf(buf+len, sizeof(buf)-len, "beacon RSSI average:\t%d\n", sc->ah->ah_beacon_rssi_avg.avg); + +#define CC_PRINT(_struct, _field) \ + _struct._field, \ + _struct.cycles > 0 ? \ + _struct._field*100/_struct.cycles : 0 + len += snprintf(buf+len, sizeof(buf)-len, "profcnt tx\t\t%u\t(%d%%)\n", - as->pfc_tx, - as->pfc_cycles > 0 ? - as->pfc_tx*100/as->pfc_cycles : 0); + CC_PRINT(as->last_cc, tx_frame)); len += snprintf(buf+len, sizeof(buf)-len, "profcnt rx\t\t%u\t(%d%%)\n", - as->pfc_rx, - as->pfc_cycles > 0 ? - as->pfc_rx*100/as->pfc_cycles : 0); + CC_PRINT(as->last_cc, rx_frame)); len += snprintf(buf+len, sizeof(buf)-len, "profcnt busy\t\t%u\t(%d%%)\n", - as->pfc_busy, - as->pfc_cycles > 0 ? - as->pfc_busy*100/as->pfc_cycles : 0); + CC_PRINT(as->last_cc, rx_busy)); +#undef CC_PRINT len += snprintf(buf+len, sizeof(buf)-len, "profcnt cycles\t\t%u\n", - as->pfc_cycles); + as->last_cc.cycles); len += snprintf(buf+len, sizeof(buf)-len, "listen time\t\t%d\tlast: %d\n", as->listen_time, as->last_listen); @@ -674,6 +757,9 @@ static ssize_t read_file_ani(struct file *file, char __user *user_buf, ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX - ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2))); + if (len > sizeof(buf)) + len = sizeof(buf); + return simple_read_from_buffer(user_buf, count, ppos, buf, len); } @@ -726,24 +812,88 @@ static const struct file_operations fops_ani = { .write = write_file_ani, .open = ath5k_debugfs_open, .owner = THIS_MODULE, + .llseek = default_llseek, }; -/* init */ +/* debugfs: queues etc */ -void -ath5k_debug_init(void) +static ssize_t read_file_queue(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath5k_softc *sc = file->private_data; + char buf[700]; + unsigned int len = 0; + + struct ath5k_txq *txq; + struct ath5k_buf *bf, *bf0; + int i, n; + + len += snprintf(buf+len, sizeof(buf)-len, + "available txbuffers: %d\n", sc->txbuf_len); + + for (i = 0; i < ARRAY_SIZE(sc->txqs); i++) { + txq = &sc->txqs[i]; + + len += snprintf(buf+len, sizeof(buf)-len, + "%02d: %ssetup\n", i, txq->setup ? "" : "not "); + + if (!txq->setup) + continue; + + n = 0; + spin_lock_bh(&txq->lock); + list_for_each_entry_safe(bf, bf0, &txq->q, list) + n++; + spin_unlock_bh(&txq->lock); + + len += snprintf(buf+len, sizeof(buf)-len, + " len: %d bufs: %d\n", txq->txq_len, n); + len += snprintf(buf+len, sizeof(buf)-len, + " stuck: %d\n", txq->txq_stuck); + } + + if (len > sizeof(buf)) + len = sizeof(buf); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t write_file_queue(struct file *file, + const char __user *userbuf, + size_t count, loff_t *ppos) { - ath5k_global_debugfs = debugfs_create_dir("ath5k", NULL); + struct ath5k_softc *sc = file->private_data; + char buf[20]; + + if (copy_from_user(buf, userbuf, min(count, sizeof(buf)))) + return -EFAULT; + + if (strncmp(buf, "start", 5) == 0) + ieee80211_wake_queues(sc->hw); + else if (strncmp(buf, "stop", 4) == 0) + ieee80211_stop_queues(sc->hw); + + return count; } + +static const struct file_operations fops_queue = { + .read = read_file_queue, + .write = write_file_queue, + .open = ath5k_debugfs_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + + void ath5k_debug_init_device(struct ath5k_softc *sc) { sc->debug.level = ath5k_debug; - sc->debug.debugfs_phydir = debugfs_create_dir(wiphy_name(sc->hw->wiphy), - ath5k_global_debugfs); + sc->debug.debugfs_phydir = debugfs_create_dir("ath5k", + sc->hw->wiphy->debugfsdir); sc->debug.debugfs_debug = debugfs_create_file("debug", S_IWUSR | S_IRUSR, @@ -763,6 +913,10 @@ ath5k_debug_init_device(struct ath5k_softc *sc) S_IWUSR | S_IRUSR, sc->debug.debugfs_phydir, sc, &fops_antenna); + sc->debug.debugfs_misc = debugfs_create_file("misc", + S_IRUSR, + sc->debug.debugfs_phydir, sc, &fops_misc); + sc->debug.debugfs_frameerrors = debugfs_create_file("frameerrors", S_IWUSR | S_IRUSR, sc->debug.debugfs_phydir, sc, @@ -772,12 +926,11 @@ ath5k_debug_init_device(struct ath5k_softc *sc) S_IWUSR | S_IRUSR, sc->debug.debugfs_phydir, sc, &fops_ani); -} -void -ath5k_debug_finish(void) -{ - debugfs_remove(ath5k_global_debugfs); + sc->debug.debugfs_queue = debugfs_create_file("queue", + S_IWUSR | S_IRUSR, + sc->debug.debugfs_phydir, sc, + &fops_queue); } void @@ -788,8 +941,10 @@ ath5k_debug_finish_device(struct ath5k_softc *sc) debugfs_remove(sc->debug.debugfs_beacon); debugfs_remove(sc->debug.debugfs_reset); debugfs_remove(sc->debug.debugfs_antenna); + debugfs_remove(sc->debug.debugfs_misc); debugfs_remove(sc->debug.debugfs_frameerrors); debugfs_remove(sc->debug.debugfs_ani); + debugfs_remove(sc->debug.debugfs_queue); debugfs_remove(sc->debug.debugfs_phydir); } @@ -852,7 +1007,7 @@ ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done, ds, (unsigned long long)bf->daddr, ds->ds_link, ds->ds_data, rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1, - rd->u.rx_stat.rx_status_0, rd->u.rx_stat.rx_status_0, + rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1, !done ? ' ' : (rs->rs_status == 0) ? '*' : '!'); } @@ -864,10 +1019,10 @@ ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah) struct ath5k_rx_status rs = {}; int status; - if (likely(!(sc->debug.level & ATH5K_DEBUG_RESET))) + if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC))) return; - printk(KERN_DEBUG "rx queue %x, link %p\n", + printk(KERN_DEBUG "rxdp %x, rxlink %p\n", ath5k_hw_get_rxdp(ah), sc->rxlink); spin_lock_bh(&sc->rxbuflock); @@ -906,7 +1061,7 @@ ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf) struct ath5k_tx_status ts = {}; int done; - if (likely(!(sc->debug.level & ATH5K_DEBUG_RESET))) + if (likely(!(sc->debug.level & ATH5K_DEBUG_DESC))) return; done = sc->ah->ah_proc_tx_desc(sc->ah, bf->desc, &ts); |