mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-27 13:05:03 +08:00
817e11de2d
Location: ath9k/<phy>/interrupt Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
263 lines
8.7 KiB
C
263 lines
8.7 KiB
C
/*
|
|
* Copyright (c) 2008 Atheros Communications Inc.
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include "core.h"
|
|
#include "reg.h"
|
|
#include "hw.h"
|
|
|
|
static unsigned int ath9k_debug = DBG_DEFAULT;
|
|
module_param_named(debug, ath9k_debug, uint, 0);
|
|
|
|
void DPRINTF(struct ath_softc *sc, int dbg_mask, const char *fmt, ...)
|
|
{
|
|
if (!sc)
|
|
return;
|
|
|
|
if (sc->sc_debug.debug_mask & dbg_mask) {
|
|
va_list args;
|
|
|
|
va_start(args, fmt);
|
|
printk(KERN_DEBUG "ath9k: ");
|
|
vprintk(fmt, args);
|
|
va_end(args);
|
|
}
|
|
}
|
|
|
|
static int ath9k_debugfs_open(struct inode *inode, struct file *file)
|
|
{
|
|
file->private_data = inode->i_private;
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t read_file_dma(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct ath_softc *sc = file->private_data;
|
|
struct ath_hal *ah = sc->sc_ah;
|
|
char buf[1024];
|
|
unsigned int len = 0;
|
|
u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
|
|
int i, qcuOffset = 0, dcuOffset = 0;
|
|
u32 *qcuBase = &val[0], *dcuBase = &val[4];
|
|
|
|
REG_WRITE(ah, AR_MACMISC,
|
|
((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
|
|
(AR_MACMISC_MISC_OBS_BUS_1 <<
|
|
AR_MACMISC_MISC_OBS_BUS_MSB_S)));
|
|
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"Raw DMA Debug values:\n");
|
|
|
|
for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
|
|
if (i % 4 == 0)
|
|
len += snprintf(buf + len, sizeof(buf) - len, "\n");
|
|
|
|
val[i] = REG_READ(ah, AR_DMADBG_0 + (i * sizeof(u32)));
|
|
len += snprintf(buf + len, sizeof(buf) - len, "%d: %08x ",
|
|
i, val[i]);
|
|
}
|
|
|
|
len += snprintf(buf + len, sizeof(buf) - len, "\n\n");
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
|
|
|
|
for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
|
|
if (i == 8) {
|
|
qcuOffset = 0;
|
|
qcuBase++;
|
|
}
|
|
|
|
if (i == 6) {
|
|
dcuOffset = 0;
|
|
dcuBase++;
|
|
}
|
|
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%2d %2x %1x %2x %2x\n",
|
|
i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
|
|
(*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
|
|
val[2] & (0x7 << (i * 3)) >> (i * 3),
|
|
(*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
|
|
}
|
|
|
|
len += snprintf(buf + len, sizeof(buf) - len, "\n");
|
|
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"qcu_stitch state: %2x qcu_fetch state: %2x\n",
|
|
(val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"qcu_complete state: %2x dcu_complete state: %2x\n",
|
|
(val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"dcu_arb state: %2x dcu_fp state: %2x\n",
|
|
(val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
|
|
(val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
|
|
(val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
|
|
(val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
|
|
|
|
len += snprintf(buf + len, sizeof(buf) - len, "pcu observe: 0x%x \n",
|
|
REG_READ(ah, AR_OBS_BUS_1));
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"AR_CR: 0x%x \n", REG_READ(ah, AR_CR));
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
}
|
|
|
|
static const struct file_operations fops_dma = {
|
|
.read = read_file_dma,
|
|
.open = ath9k_debugfs_open,
|
|
.owner = THIS_MODULE
|
|
};
|
|
|
|
|
|
void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
|
|
{
|
|
if (status)
|
|
sc->sc_debug.stats.istats.total++;
|
|
if (status & ATH9K_INT_RX)
|
|
sc->sc_debug.stats.istats.rxok++;
|
|
if (status & ATH9K_INT_RXEOL)
|
|
sc->sc_debug.stats.istats.rxeol++;
|
|
if (status & ATH9K_INT_RXORN)
|
|
sc->sc_debug.stats.istats.rxorn++;
|
|
if (status & ATH9K_INT_TX)
|
|
sc->sc_debug.stats.istats.txok++;
|
|
if (status & ATH9K_INT_TXURN)
|
|
sc->sc_debug.stats.istats.txurn++;
|
|
if (status & ATH9K_INT_MIB)
|
|
sc->sc_debug.stats.istats.mib++;
|
|
if (status & ATH9K_INT_RXPHY)
|
|
sc->sc_debug.stats.istats.rxphyerr++;
|
|
if (status & ATH9K_INT_RXKCM)
|
|
sc->sc_debug.stats.istats.rx_keycache_miss++;
|
|
if (status & ATH9K_INT_SWBA)
|
|
sc->sc_debug.stats.istats.swba++;
|
|
if (status & ATH9K_INT_BMISS)
|
|
sc->sc_debug.stats.istats.bmiss++;
|
|
if (status & ATH9K_INT_BNR)
|
|
sc->sc_debug.stats.istats.bnr++;
|
|
if (status & ATH9K_INT_CST)
|
|
sc->sc_debug.stats.istats.cst++;
|
|
if (status & ATH9K_INT_GTT)
|
|
sc->sc_debug.stats.istats.gtt++;
|
|
if (status & ATH9K_INT_TIM)
|
|
sc->sc_debug.stats.istats.tim++;
|
|
if (status & ATH9K_INT_CABEND)
|
|
sc->sc_debug.stats.istats.cabend++;
|
|
if (status & ATH9K_INT_DTIMSYNC)
|
|
sc->sc_debug.stats.istats.dtimsync++;
|
|
if (status & ATH9K_INT_DTIM)
|
|
sc->sc_debug.stats.istats.dtim++;
|
|
}
|
|
|
|
static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct ath_softc *sc = file->private_data;
|
|
char buf[512];
|
|
unsigned int len = 0;
|
|
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "RX", sc->sc_debug.stats.istats.rxok);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "RXEOL", sc->sc_debug.stats.istats.rxeol);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "RXORN", sc->sc_debug.stats.istats.rxorn);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "TX", sc->sc_debug.stats.istats.txok);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "TXURN", sc->sc_debug.stats.istats.txurn);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "MIB", sc->sc_debug.stats.istats.mib);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "RXPHY", sc->sc_debug.stats.istats.rxphyerr);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "RXKCM", sc->sc_debug.stats.istats.rx_keycache_miss);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "SWBA", sc->sc_debug.stats.istats.swba);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "BMISS", sc->sc_debug.stats.istats.bmiss);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "BNR", sc->sc_debug.stats.istats.bnr);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "CST", sc->sc_debug.stats.istats.cst);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "GTT", sc->sc_debug.stats.istats.gtt);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "TIM", sc->sc_debug.stats.istats.tim);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "CABEND", sc->sc_debug.stats.istats.cabend);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "DTIMSYNC", sc->sc_debug.stats.istats.dtimsync);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "DTIM", sc->sc_debug.stats.istats.dtim);
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
|
"%8s: %10u\n", "TOTAL", sc->sc_debug.stats.istats.total);
|
|
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
}
|
|
|
|
static const struct file_operations fops_interrupt = {
|
|
.read = read_file_interrupt,
|
|
.open = ath9k_debugfs_open,
|
|
.owner = THIS_MODULE
|
|
};
|
|
|
|
int ath9k_init_debug(struct ath_softc *sc)
|
|
{
|
|
sc->sc_debug.debug_mask = ath9k_debug;
|
|
|
|
sc->sc_debug.debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
|
|
if (!sc->sc_debug.debugfs_root)
|
|
goto err;
|
|
|
|
sc->sc_debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
|
|
sc->sc_debug.debugfs_root);
|
|
if (!sc->sc_debug.debugfs_phy)
|
|
goto err;
|
|
|
|
sc->sc_debug.debugfs_dma = debugfs_create_file("dma", S_IRUGO,
|
|
sc->sc_debug.debugfs_phy, sc, &fops_dma);
|
|
if (!sc->sc_debug.debugfs_dma)
|
|
goto err;
|
|
|
|
sc->sc_debug.debugfs_interrupt = debugfs_create_file("interrupt",
|
|
S_IRUGO,
|
|
sc->sc_debug.debugfs_phy,
|
|
sc, &fops_interrupt);
|
|
if (!sc->sc_debug.debugfs_interrupt)
|
|
goto err;
|
|
|
|
return 0;
|
|
err:
|
|
ath9k_exit_debug(sc);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
void ath9k_exit_debug(struct ath_softc *sc)
|
|
{
|
|
debugfs_remove(sc->sc_debug.debugfs_interrupt);
|
|
debugfs_remove(sc->sc_debug.debugfs_dma);
|
|
debugfs_remove(sc->sc_debug.debugfs_phy);
|
|
debugfs_remove(sc->sc_debug.debugfs_root);
|
|
}
|