#include <linux/if_ether.h>
#include <linux/if.h>
#include <linux/ieee80211.h>
+#include <linux/module.h>
#include <defs.h>
#include <brcmu_wifi.h>
#include <brcmu_utils.h>
#include "dhd.h"
#include "dhd_bus.h"
+#include "dhd_dbg.h"
static struct dentry *root_folder;
{
return drvr->dbgfs_dir;
}
+
+static
+ssize_t brcmf_debugfs_sdio_counter_read(struct file *f, char __user *data,
+ size_t count, loff_t *ppos)
+{
+ struct brcmf_sdio_count *sdcnt = f->private_data;
+ char buf[750];
+ int res;
+
+ /* only allow read from start */
+ if (*ppos > 0)
+ return 0;
+
+ res = scnprintf(buf, sizeof(buf),
+ "intrcount: %u\nlastintrs: %u\n"
+ "pollcnt: %u\nregfails: %u\n"
+ "tx_sderrs: %u\nfcqueued: %u\n"
+ "rxrtx: %u\nrx_toolong: %u\n"
+ "rxc_errors: %u\nrx_hdrfail: %u\n"
+ "rx_badhdr: %u\nrx_badseq: %u\n"
+ "fc_rcvd: %u\nfc_xoff: %u\n"
+ "fc_xon: %u\nrxglomfail: %u\n"
+ "rxglomframes: %u\nrxglompkts: %u\n"
+ "f2rxhdrs: %u\nf2rxdata: %u\n"
+ "f2txdata: %u\nf1regdata: %u\n"
+ "tickcnt: %u\ntx_ctlerrs: %lu\n"
+ "tx_ctlpkts: %lu\nrx_ctlerrs: %lu\n"
+ "rx_ctlpkts: %lu\nrx_readahead: %lu\n",
+ sdcnt->intrcount, sdcnt->lastintrs,
+ sdcnt->pollcnt, sdcnt->regfails,
+ sdcnt->tx_sderrs, sdcnt->fcqueued,
+ sdcnt->rxrtx, sdcnt->rx_toolong,
+ sdcnt->rxc_errors, sdcnt->rx_hdrfail,
+ sdcnt->rx_badhdr, sdcnt->rx_badseq,
+ sdcnt->fc_rcvd, sdcnt->fc_xoff,
+ sdcnt->fc_xon, sdcnt->rxglomfail,
+ sdcnt->rxglomframes, sdcnt->rxglompkts,
+ sdcnt->f2rxhdrs, sdcnt->f2rxdata,
+ sdcnt->f2txdata, sdcnt->f1regdata,
+ sdcnt->tickcnt, sdcnt->tx_ctlerrs,
+ sdcnt->tx_ctlpkts, sdcnt->rx_ctlerrs,
+ sdcnt->rx_ctlpkts, sdcnt->rx_readahead_cnt);
+
+ return simple_read_from_buffer(data, count, ppos, buf, res);
+}
+
+static const struct file_operations brcmf_debugfs_sdio_counter_ops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = brcmf_debugfs_sdio_counter_read
+};
+
+void brcmf_debugfs_create_sdio_count(struct brcmf_pub *drvr,
+ struct brcmf_sdio_count *sdcnt)
+{
+ struct dentry *dentry = drvr->dbgfs_dir;
+
+ if (!IS_ERR_OR_NULL(dentry))
+ debugfs_create_file("counters", S_IRUGO, dentry,
+ sdcnt, &brcmf_debugfs_sdio_counter_ops);
+}
bool intr; /* Use interrupts */
bool poll; /* Use polling */
bool ipend; /* Device interrupt is pending */
- uint intrcount; /* Count of device interrupt callbacks */
- uint lastintrs; /* Count as of last watchdog timer */
uint spurious; /* Count of spurious interrupts */
uint pollrate; /* Ticks between device polls */
uint polltick; /* Tick counter */
- uint pollcnt; /* Count of active polls */
#ifdef DEBUG
uint console_interval;
uint console_addr; /* Console address from shared struct */
#endif /* DEBUG */
- uint regfails; /* Count of R_REG failures */
-
uint clkstate; /* State of sd and backplane clock(s) */
bool activity; /* Activity flag for clock down */
s32 idletime; /* Control for activity timeout */
/* Field to decide if rx of control frames happen in rxbuf or lb-pool */
bool usebufpool;
- /* Some additional counters */
- uint tx_sderrs; /* Count of tx attempts with sd errors */
- uint fcqueued; /* Tx packets that got queued */
- uint rxrtx; /* Count of rtx requests (NAK to dongle) */
- uint rx_toolong; /* Receive frames too long to receive */
- uint rxc_errors; /* SDIO errors when reading control frames */
- uint rx_hdrfail; /* SDIO errors on header reads */
- uint rx_badhdr; /* Bad received headers (roosync?) */
- uint rx_badseq; /* Mismatched rx sequence number */
- uint fc_rcvd; /* Number of flow-control events received */
- uint fc_xoff; /* Number which turned on flow-control */
- uint fc_xon; /* Number which turned off flow-control */
- uint rxglomfail; /* Failed deglom attempts */
- uint rxglomframes; /* Number of glom frames (superframes) */
- uint rxglompkts; /* Number of packets from glom frames */
- uint f2rxhdrs; /* Number of header reads */
- uint f2rxdata; /* Number of frame data reads */
- uint f2txdata; /* Number of f2 frame writes */
- uint f1regdata; /* Number of f1 register accesses */
- uint tickcnt; /* Number of watchdog been schedule */
- unsigned long tx_ctlerrs; /* Err of sending ctrl frames */
- unsigned long tx_ctlpkts; /* Ctrl frames sent to dongle */
- unsigned long rx_ctlerrs; /* Err of processing rx ctrl frames */
- unsigned long rx_ctlpkts; /* Ctrl frames processed from dongle */
- unsigned long rx_readahead_cnt; /* Number of packets where header
- * read-ahead was used. */
-
u8 *ctrl_frame_buf;
u32 ctrl_frame_len;
bool ctrl_frame_stat;
u32 fw_ptr;
bool txoff; /* Transmit flow-controlled */
+ struct brcmf_sdio_count sdcnt;
};
/* clkstate */
if (ret == 0)
w_sdreg32(bus, SMB_INT_ACK,
offsetof(struct sdpcmd_regs, tosbmailbox));
- bus->f1regdata += 2;
+ bus->sdcnt.f1regdata += 2;
/* Dongle recomposed rx frames, accept them again */
if (hmb_data & HMB_DATA_NAKHANDLED) {
HMB_DATA_FCDATA_SHIFT;
if (fcbits & ~bus->flowcontrol)
- bus->fc_xoff++;
+ bus->sdcnt.fc_xoff++;
if (bus->flowcontrol & ~fcbits)
- bus->fc_xon++;
+ bus->sdcnt.fc_xon++;
- bus->fc_rcvd++;
+ bus->sdcnt.fc_rcvd++;
bus->flowcontrol = fcbits;
}
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
SFC_RF_TERM, &err);
- bus->f1regdata++;
+ bus->sdcnt.f1regdata++;
/* Wait until the packet has been flushed (device/FIFO stable) */
for (lastrbc = retries = 0xffff; retries > 0; retries--) {
SBSDIO_FUNC1_RFRAMEBCHI, &err);
lo = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_RFRAMEBCLO, &err);
- bus->f1regdata += 2;
+ bus->sdcnt.f1regdata += 2;
if ((hi == 0) && (lo == 0))
break;
brcmf_dbg(INFO, "flush took %d iterations\n", 0xffff - retries);
if (rtx) {
- bus->rxrtx++;
+ bus->sdcnt.rxrtx++;
err = w_sdreg32(bus, SMB_NAK,
offsetof(struct sdpcmd_regs, tosbmailbox));
- bus->f1regdata++;
+ bus->sdcnt.f1regdata++;
if (err == 0)
bus->rxskip = true;
}
dlen);
errcode = -1;
}
- bus->f2rxdata++;
+ bus->sdcnt.f2rxdata++;
/* On failure, kill the superframe, allow a couple retries */
if (errcode < 0) {
} else {
bus->glomerr = 0;
brcmf_sdbrcm_rxfail(bus, true, false);
- bus->rxglomfail++;
+ bus->sdcnt.rxglomfail++;
brcmf_sdbrcm_free_glom(bus);
}
return 0;
if (rxseq != seq) {
brcmf_dbg(INFO, "(superframe) rx_seq %d, expected %d\n",
seq, rxseq);
- bus->rx_badseq++;
+ bus->sdcnt.rx_badseq++;
rxseq = seq;
}
} else {
bus->glomerr = 0;
brcmf_sdbrcm_rxfail(bus, true, false);
- bus->rxglomfail++;
+ bus->sdcnt.rxglomfail++;
brcmf_sdbrcm_free_glom(bus);
}
bus->nextlen = 0;
if (rxseq != seq) {
brcmf_dbg(GLOM, "rx_seq %d, expected %d\n",
seq, rxseq);
- bus->rx_badseq++;
+ bus->sdcnt.rx_badseq++;
rxseq = seq;
}
rxseq++;
down(&bus->sdsem);
}
- bus->rxglomframes++;
- bus->rxglompkts += bus->glom.qlen;
+ bus->sdcnt.rxglomframes++;
+ bus->sdcnt.rxglompkts += bus->glom.qlen;
}
return num;
}
brcmf_dbg(ERROR, "%d-byte ctl frame (%d-byte ctl data) exceeds %d-byte limit\n",
len, len - doff, bus->sdiodev->bus_if->maxctl);
bus->sdiodev->bus_if->dstats.rx_errors++;
- bus->rx_toolong++;
+ bus->sdcnt.rx_toolong++;
brcmf_sdbrcm_rxfail(bus, false, false);
goto done;
}
bus->sdiodev->sbwad,
SDIO_FUNC_2,
F2SYNC, (bus->rxctl + BRCMF_FIRSTREAD), rdlen);
- bus->f2rxdata++;
+ bus->sdcnt.f2rxdata++;
/* Control frame failures need retransmission */
if (sdret < 0) {
brcmf_dbg(ERROR, "read %d control bytes failed: %d\n",
rdlen, sdret);
- bus->rxc_errors++;
+ bus->sdcnt.rxc_errors++;
brcmf_sdbrcm_rxfail(bus, true, true);
goto done;
}
/* Read the entire frame */
sdret = brcmf_sdcard_recv_pkt(bus->sdiodev, bus->sdiodev->sbwad,
SDIO_FUNC_2, F2SYNC, *pkt);
- bus->f2rxdata++;
+ bus->sdcnt.f2rxdata++;
if (sdret < 0) {
brcmf_dbg(ERROR, "(nextlen): read %d bytes failed: %d\n",
if ((u16)~(*len ^ check)) {
brcmf_dbg(ERROR, "(nextlen): HW hdr error: nextlen/len/check 0x%04x/0x%04x/0x%04x\n",
nextlen, *len, check);
- bus->rx_badhdr++;
+ bus->sdcnt.rx_badhdr++;
brcmf_sdbrcm_rxfail(bus, false, false);
goto fail;
}
bus->nextlen = 0;
}
- bus->rx_readahead_cnt++;
+ bus->sdcnt.rx_readahead_cnt++;
/* Handle Flow Control */
fcbits = SDPCM_FCMASK_VALUE(
if (bus->flowcontrol != fcbits) {
if (~bus->flowcontrol & fcbits)
- bus->fc_xoff++;
+ bus->sdcnt.fc_xoff++;
if (bus->flowcontrol & ~fcbits)
- bus->fc_xon++;
+ bus->sdcnt.fc_xon++;
- bus->fc_rcvd++;
+ bus->sdcnt.fc_rcvd++;
bus->flowcontrol = fcbits;
}
if (rxseq != seq) {
brcmf_dbg(INFO, "(nextlen): rx_seq %d, expected %d\n",
seq, rxseq);
- bus->rx_badseq++;
+ bus->sdcnt.rx_badseq++;
rxseq = seq;
}
sdret = brcmf_sdcard_recv_buf(bus->sdiodev, bus->sdiodev->sbwad,
SDIO_FUNC_2, F2SYNC, bus->rxhdr,
BRCMF_FIRSTREAD);
- bus->f2rxhdrs++;
+ bus->sdcnt.f2rxhdrs++;
if (sdret < 0) {
brcmf_dbg(ERROR, "RXHEADER FAILED: %d\n", sdret);
- bus->rx_hdrfail++;
+ bus->sdcnt.rx_hdrfail++;
brcmf_sdbrcm_rxfail(bus, true, true);
continue;
}
if ((u16) ~(len ^ check)) {
brcmf_dbg(ERROR, "HW hdr err: len/check 0x%04x/0x%04x\n",
len, check);
- bus->rx_badhdr++;
+ bus->sdcnt.rx_badhdr++;
brcmf_sdbrcm_rxfail(bus, false, false);
continue;
}
if ((doff < SDPCM_HDRLEN) || (doff > len)) {
brcmf_dbg(ERROR, "Bad data offset %d: HW len %d, min %d seq %d\n",
doff, len, SDPCM_HDRLEN, seq);
- bus->rx_badhdr++;
+ bus->sdcnt.rx_badhdr++;
brcmf_sdbrcm_rxfail(bus, false, false);
continue;
}
if (bus->flowcontrol != fcbits) {
if (~bus->flowcontrol & fcbits)
- bus->fc_xoff++;
+ bus->sdcnt.fc_xoff++;
if (bus->flowcontrol & ~fcbits)
- bus->fc_xon++;
+ bus->sdcnt.fc_xon++;
- bus->fc_rcvd++;
+ bus->sdcnt.fc_rcvd++;
bus->flowcontrol = fcbits;
}
/* Check and update sequence number */
if (rxseq != seq) {
brcmf_dbg(INFO, "rx_seq %d, expected %d\n", seq, rxseq);
- bus->rx_badseq++;
+ bus->sdcnt.rx_badseq++;
rxseq = seq;
}
brcmf_dbg(ERROR, "too long: len %d rdlen %d\n",
len, rdlen);
bus->sdiodev->bus_if->dstats.rx_errors++;
- bus->rx_toolong++;
+ bus->sdcnt.rx_toolong++;
brcmf_sdbrcm_rxfail(bus, false, false);
continue;
}
/* Read the remaining frame data */
sdret = brcmf_sdcard_recv_pkt(bus->sdiodev, bus->sdiodev->sbwad,
SDIO_FUNC_2, F2SYNC, pkt);
- bus->f2rxdata++;
+ bus->sdcnt.f2rxdata++;
if (sdret < 0) {
brcmf_dbg(ERROR, "read %d %s bytes failed: %d\n", rdlen,
ret = brcmf_sdcard_send_pkt(bus->sdiodev, bus->sdiodev->sbwad,
SDIO_FUNC_2, F2SYNC, pkt);
- bus->f2txdata++;
+ bus->sdcnt.f2txdata++;
if (ret < 0) {
/* On failure, abort the command and terminate the frame */
brcmf_dbg(INFO, "sdio error %d, abort command and terminate frame\n",
ret);
- bus->tx_sderrs++;
+ bus->sdcnt.tx_sderrs++;
brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
SFC_WF_TERM, NULL);
- bus->f1regdata++;
+ bus->sdcnt.f1regdata++;
for (i = 0; i < 3; i++) {
u8 hi, lo;
SBSDIO_FUNC1_WFRAMEBCHI, NULL);
lo = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_WFRAMEBCLO, NULL);
- bus->f1regdata += 2;
+ bus->sdcnt.f1regdata += 2;
if ((hi == 0) && (lo == 0))
break;
}
ret = r_sdreg32(bus, &intstatus,
offsetof(struct sdpcmd_regs,
intstatus));
- bus->f2txdata++;
+ bus->sdcnt.f2txdata++;
if (ret != 0)
break;
if (intstatus & bus->hostintmask)
bus->ipend = false;
err = r_sdreg32(bus, &newstatus,
offsetof(struct sdpcmd_regs, intstatus));
- bus->f1regdata++;
+ bus->sdcnt.f1regdata++;
if (err != 0)
newstatus = 0;
newstatus &= bus->hostintmask;
err = w_sdreg32(bus, newstatus,
offsetof(struct sdpcmd_regs,
intstatus));
- bus->f1regdata++;
+ bus->sdcnt.f1regdata++;
}
}
err = r_sdreg32(bus, &newstatus,
offsetof(struct sdpcmd_regs, intstatus));
- bus->f1regdata += 2;
+ bus->sdcnt.f1regdata += 2;
bus->fcstate =
!!(newstatus & (I_HMB_FC_STATE | I_HMB_FC_CHANGE));
intstatus |= (newstatus & bus->hostintmask);
terminate the frame */
brcmf_dbg(INFO, "sdio error %d, abort command and terminate frame\n",
ret);
- bus->tx_sderrs++;
+ bus->sdcnt.tx_sderrs++;
brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
SFC_WF_TERM, &err);
- bus->f1regdata++;
+ bus->sdcnt.f1regdata++;
for (i = 0; i < 3; i++) {
u8 hi, lo;
lo = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_WFRAMEBCLO,
&err);
- bus->f1regdata += 2;
+ bus->sdcnt.f1regdata += 2;
if ((hi == 0) && (lo == 0))
break;
}
/* Check for existing queue, current flow-control,
pending event, or pending clock */
brcmf_dbg(TRACE, "deferring pktq len %d\n", pktq_len(&bus->txq));
- bus->fcqueued++;
+ bus->sdcnt.fcqueued++;
/* Priority based enq */
spin_lock_bh(&bus->txqlock);
/* On failure, abort the command and terminate the frame */
brcmf_dbg(INFO, "sdio error %d, abort command and terminate frame\n",
ret);
- bus->tx_sderrs++;
+ bus->sdcnt.tx_sderrs++;
brcmf_sdcard_abort(bus->sdiodev, SDIO_FUNC_2);
brcmf_sdio_regwb(bus->sdiodev, SBSDIO_FUNC1_FRAMECTRL,
SFC_WF_TERM, NULL);
- bus->f1regdata++;
+ bus->sdcnt.f1regdata++;
for (i = 0; i < 3; i++) {
u8 hi, lo;
SBSDIO_FUNC1_WFRAMEBCHI, NULL);
lo = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_WFRAMEBCLO, NULL);
- bus->f1regdata += 2;
+ bus->sdcnt.f1regdata += 2;
if (hi == 0 && lo == 0)
break;
}
up(&bus->sdsem);
if (ret)
- bus->tx_ctlerrs++;
+ bus->sdcnt.tx_ctlerrs++;
else
- bus->tx_ctlpkts++;
+ bus->sdcnt.tx_ctlpkts++;
return ret ? -EIO : 0;
}
+#ifdef DEBUG
+static void brcmf_sdio_debugfs_create(struct brcmf_sdio *bus)
+{
+ struct brcmf_pub *drvr = bus->sdiodev->bus_if->drvr;
+
+ brcmf_debugfs_create_sdio_count(drvr, &bus->sdcnt);
+}
+#else
+static void brcmf_sdio_debugfs_create(struct brcmf_sdio *bus)
+{
+}
+#endif /* DEBUG */
+
static int
brcmf_sdbrcm_bus_rxctl(struct device *dev, unsigned char *msg, uint msglen)
{
}
if (rxlen)
- bus->rx_ctlpkts++;
+ bus->sdcnt.rx_ctlpkts++;
else
- bus->rx_ctlerrs++;
+ bus->sdcnt.rx_ctlerrs++;
return rxlen ? (int)rxlen : -ETIMEDOUT;
}
return 0;
/* Start the watchdog timer */
- bus->tickcnt = 0;
+ bus->sdcnt.tickcnt = 0;
brcmf_sdbrcm_wd_timer(bus, BRCMF_WD_POLL_MS);
down(&bus->sdsem);
return;
}
/* Count the interrupt call */
- bus->intrcount++;
+ bus->sdcnt.intrcount++;
bus->ipend = true;
/* Shouldn't get this interrupt if we're sleeping? */
bus->polltick = 0;
/* Check device if no interrupts */
- if (!bus->intr || (bus->intrcount == bus->lastintrs)) {
+ if (!bus->intr ||
+ (bus->sdcnt.intrcount == bus->sdcnt.lastintrs)) {
if (!bus->dpc_sched) {
u8 devpend;
/* If there is something, make like the ISR and
schedule the DPC */
if (intstatus) {
- bus->pollcnt++;
+ bus->sdcnt.pollcnt++;
bus->ipend = true;
bus->dpc_sched = true;
}
/* Update interrupt tracking */
- bus->lastintrs = bus->intrcount;
+ bus->sdcnt.lastintrs = bus->sdcnt.intrcount;
}
#ifdef DEBUG
/* Poll for console output periodically */
if (!wait_for_completion_interruptible(&bus->watchdog_wait)) {
brcmf_sdbrcm_bus_watchdog(bus);
/* Count the tick for reference */
- bus->tickcnt++;
+ bus->sdcnt.tickcnt++;
} else
break;
}
static void brcmf_sdbrcm_release(struct brcmf_sdio *bus)
{
brcmf_dbg(TRACE, "Enter\n");
-
if (bus) {
/* De-register interrupt handler */
brcmf_sdio_intr_unregister(bus->sdiodev);
goto fail;
}
+ brcmf_sdio_debugfs_create(bus);
brcmf_dbg(INFO, "completed!!\n");
/* if firmware path present try to download and bring up bus */