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path: root/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c669
1 files changed, 479 insertions, 190 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index 1dbf2be478c8..472f2ef5c652 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -31,6 +31,8 @@
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/bcma/bcma.h>
+#include <linux/debugfs.h>
+#include <linux/vmalloc.h>
#include <asm/unaligned.h>
#include <defs.h>
#include <brcmu_wifi.h>
@@ -48,6 +50,9 @@
#define CBUF_LEN (128)
+/* Device console log buffer state */
+#define CONSOLE_BUFFER_MAX 2024
+
struct rte_log_le {
__le32 buf; /* Can't be pointer on (64-bit) hosts */
__le32 buf_size;
@@ -281,7 +286,7 @@ struct rte_console {
* Shared structure between dongle and the host.
* The structure contains pointers to trap or assert information.
*/
-#define SDPCM_SHARED_VERSION 0x0002
+#define SDPCM_SHARED_VERSION 0x0003
#define SDPCM_SHARED_VERSION_MASK 0x00FF
#define SDPCM_SHARED_ASSERT_BUILT 0x0100
#define SDPCM_SHARED_ASSERT 0x0200
@@ -428,6 +433,29 @@ struct brcmf_console {
u8 *buf; /* Log buffer (host copy) */
uint last; /* Last buffer read index */
};
+
+struct brcmf_trap_info {
+ __le32 type;
+ __le32 epc;
+ __le32 cpsr;
+ __le32 spsr;
+ __le32 r0; /* a1 */
+ __le32 r1; /* a2 */
+ __le32 r2; /* a3 */
+ __le32 r3; /* a4 */
+ __le32 r4; /* v1 */
+ __le32 r5; /* v2 */
+ __le32 r6; /* v3 */
+ __le32 r7; /* v4 */
+ __le32 r8; /* v5 */
+ __le32 r9; /* sb/v6 */
+ __le32 r10; /* sl/v7 */
+ __le32 r11; /* fp/v8 */
+ __le32 r12; /* ip */
+ __le32 r13; /* sp */
+ __le32 r14; /* lr */
+ __le32 pc; /* r15 */
+};
#endif /* DEBUG */
struct sdpcm_shared {
@@ -439,6 +467,7 @@ struct sdpcm_shared {
u32 console_addr; /* Address of struct rte_console */
u32 msgtrace_addr;
u8 tag[32];
+ u32 brpt_addr;
};
struct sdpcm_shared_le {
@@ -450,6 +479,7 @@ struct sdpcm_shared_le {
__le32 console_addr; /* Address of struct rte_console */
__le32 msgtrace_addr;
u8 tag[32];
+ __le32 brpt_addr;
};
@@ -502,12 +532,9 @@ struct brcmf_sdio {
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;
@@ -515,8 +542,6 @@ struct brcmf_sdio {
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 */
@@ -531,33 +556,6 @@ struct brcmf_sdio {
/* 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;
@@ -583,6 +581,7 @@ struct brcmf_sdio {
u32 fw_ptr;
bool txoff; /* Transmit flow-controlled */
+ struct brcmf_sdio_count sdcnt;
};
/* clkstate */
@@ -945,7 +944,7 @@ static u32 brcmf_sdbrcm_hostmail(struct brcmf_sdio *bus)
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) {
@@ -984,12 +983,12 @@ static u32 brcmf_sdbrcm_hostmail(struct brcmf_sdio *bus)
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;
}
@@ -1021,7 +1020,7 @@ static void brcmf_sdbrcm_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx)
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--) {
@@ -1029,7 +1028,7 @@ static void brcmf_sdbrcm_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx)
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;
@@ -1047,11 +1046,11 @@ static void brcmf_sdbrcm_rxfail(struct brcmf_sdio *bus, bool abort, bool rtx)
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;
}
@@ -1243,7 +1242,7 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq)
dlen);
errcode = -1;
}
- bus->f2rxdata++;
+ bus->sdcnt.f2rxdata++;
/* On failure, kill the superframe, allow a couple retries */
if (errcode < 0) {
@@ -1256,7 +1255,7 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq)
} else {
bus->glomerr = 0;
brcmf_sdbrcm_rxfail(bus, true, false);
- bus->rxglomfail++;
+ bus->sdcnt.rxglomfail++;
brcmf_sdbrcm_free_glom(bus);
}
return 0;
@@ -1312,7 +1311,7 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq)
if (rxseq != seq) {
brcmf_dbg(INFO, "(superframe) rx_seq %d, expected %d\n",
seq, rxseq);
- bus->rx_badseq++;
+ bus->sdcnt.rx_badseq++;
rxseq = seq;
}
@@ -1376,7 +1375,7 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq)
} else {
bus->glomerr = 0;
brcmf_sdbrcm_rxfail(bus, true, false);
- bus->rxglomfail++;
+ bus->sdcnt.rxglomfail++;
brcmf_sdbrcm_free_glom(bus);
}
bus->nextlen = 0;
@@ -1402,7 +1401,7 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq)
if (rxseq != seq) {
brcmf_dbg(GLOM, "rx_seq %d, expected %d\n",
seq, rxseq);
- bus->rx_badseq++;
+ bus->sdcnt.rx_badseq++;
rxseq = seq;
}
rxseq++;
@@ -1441,8 +1440,8 @@ static u8 brcmf_sdbrcm_rxglom(struct brcmf_sdio *bus, u8 rxseq)
down(&bus->sdsem);
}
- bus->rxglomframes++;
- bus->rxglompkts += bus->glom.qlen;
+ bus->sdcnt.rxglomframes++;
+ bus->sdcnt.rxglompkts += bus->glom.qlen;
}
return num;
}
@@ -1526,7 +1525,7 @@ brcmf_sdbrcm_read_control(struct brcmf_sdio *bus, u8 *hdr, uint len, uint doff)
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;
}
@@ -1536,13 +1535,13 @@ brcmf_sdbrcm_read_control(struct brcmf_sdio *bus, u8 *hdr, uint len, uint doff)
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;
}
@@ -1589,7 +1588,7 @@ brcmf_alloc_pkt_and_read(struct brcmf_sdio *bus, u16 rdlen,
/* 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",
@@ -1630,7 +1629,7 @@ brcmf_check_rxbuf(struct brcmf_sdio *bus, struct sk_buff *pkt, u8 *rxbuf,
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;
}
@@ -1746,7 +1745,7 @@ brcmf_sdbrcm_readframes(struct brcmf_sdio *bus, uint maxframes, bool *finished)
bus->nextlen = 0;
}
- bus->rx_readahead_cnt++;
+ bus->sdcnt.rx_readahead_cnt++;
/* Handle Flow Control */
fcbits = SDPCM_FCMASK_VALUE(
@@ -1754,12 +1753,12 @@ brcmf_sdbrcm_readframes(struct brcmf_sdio *bus, uint maxframes, bool *finished)
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;
}
@@ -1767,7 +1766,7 @@ brcmf_sdbrcm_readframes(struct brcmf_sdio *bus, uint maxframes, bool *finished)
if (rxseq != seq) {
brcmf_dbg(INFO, "(nextlen): rx_seq %d, expected %d\n",
seq, rxseq);
- bus->rx_badseq++;
+ bus->sdcnt.rx_badseq++;
rxseq = seq;
}
@@ -1814,11 +1813,11 @@ brcmf_sdbrcm_readframes(struct brcmf_sdio *bus, uint maxframes, bool *finished)
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;
}
@@ -1840,7 +1839,7 @@ brcmf_sdbrcm_readframes(struct brcmf_sdio *bus, uint maxframes, bool *finished)
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;
}
@@ -1861,7 +1860,7 @@ brcmf_sdbrcm_readframes(struct brcmf_sdio *bus, uint maxframes, bool *finished)
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;
}
@@ -1880,19 +1879,19 @@ brcmf_sdbrcm_readframes(struct brcmf_sdio *bus, uint maxframes, bool *finished)
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;
}
@@ -1937,7 +1936,7 @@ brcmf_sdbrcm_readframes(struct brcmf_sdio *bus, uint maxframes, bool *finished)
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;
}
@@ -1960,7 +1959,7 @@ brcmf_sdbrcm_readframes(struct brcmf_sdio *bus, uint maxframes, bool *finished)
/* 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,
@@ -2147,18 +2146,18 @@ static int brcmf_sdbrcm_txpkt(struct brcmf_sdio *bus, struct sk_buff *pkt,
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;
@@ -2166,7 +2165,7 @@ static int brcmf_sdbrcm_txpkt(struct brcmf_sdio *bus, struct sk_buff *pkt,
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;
}
@@ -2224,7 +2223,7 @@ static uint brcmf_sdbrcm_sendfromq(struct brcmf_sdio *bus, uint maxframes)
ret = r_sdreg32(bus, &intstatus,
offsetof(struct sdpcmd_regs,
intstatus));
- bus->f2txdata++;
+ bus->sdcnt.f2txdata++;
if (ret != 0)
break;
if (intstatus & bus->hostintmask)
@@ -2417,7 +2416,7 @@ static bool brcmf_sdbrcm_dpc(struct brcmf_sdio *bus)
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;
@@ -2426,7 +2425,7 @@ static bool brcmf_sdbrcm_dpc(struct brcmf_sdio *bus)
err = w_sdreg32(bus, newstatus,
offsetof(struct sdpcmd_regs,
intstatus));
- bus->f1regdata++;
+ bus->sdcnt.f1regdata++;
}
}
@@ -2445,7 +2444,7 @@ static bool brcmf_sdbrcm_dpc(struct brcmf_sdio *bus)
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);
@@ -2502,7 +2501,7 @@ clkwait:
int ret, i;
ret = brcmf_sdcard_send_buf(bus->sdiodev, bus->sdiodev->sbwad,
- SDIO_FUNC_2, F2SYNC, (u8 *) bus->ctrl_frame_buf,
+ SDIO_FUNC_2, F2SYNC, bus->ctrl_frame_buf,
(u32) bus->ctrl_frame_len);
if (ret < 0) {
@@ -2510,13 +2509,13 @@ clkwait:
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;
@@ -2526,7 +2525,7 @@ clkwait:
lo = brcmf_sdio_regrb(bus->sdiodev,
SBSDIO_FUNC1_WFRAMEBCLO,
&err);
- bus->f1regdata += 2;
+ bus->sdcnt.f1regdata += 2;
if ((hi == 0) && (lo == 0))
break;
}
@@ -2657,7 +2656,7 @@ static int brcmf_sdbrcm_bus_txdata(struct device *dev, struct sk_buff *pkt)
/* 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);
@@ -2845,13 +2844,13 @@ static int brcmf_tx_frame(struct brcmf_sdio *bus, u8 *frame, u16 len)
/* 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;
@@ -2859,7 +2858,7 @@ static int brcmf_tx_frame(struct brcmf_sdio *bus, u8 *frame, u16 len)
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;
}
@@ -2976,13 +2975,324 @@ brcmf_sdbrcm_bus_txctl(struct device *dev, unsigned char *msg, uint msglen)
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 inline bool brcmf_sdio_valid_shared_address(u32 addr)
+{
+ return !(addr == 0 || ((~addr >> 16) & 0xffff) == (addr & 0xffff));
+}
+
+static int brcmf_sdio_readshared(struct brcmf_sdio *bus,
+ struct sdpcm_shared *sh)
+{
+ u32 addr;
+ int rv;
+ u32 shaddr = 0;
+ struct sdpcm_shared_le sh_le;
+ __le32 addr_le;
+
+ shaddr = bus->ramsize - 4;
+
+ /*
+ * Read last word in socram to determine
+ * address of sdpcm_shared structure
+ */
+ rv = brcmf_sdbrcm_membytes(bus, false, shaddr,
+ (u8 *)&addr_le, 4);
+ if (rv < 0)
+ return rv;
+
+ addr = le32_to_cpu(addr_le);
+
+ brcmf_dbg(INFO, "sdpcm_shared address 0x%08X\n", addr);
+
+ /*
+ * Check if addr is valid.
+ * NVRAM length at the end of memory should have been overwritten.
+ */
+ if (!brcmf_sdio_valid_shared_address(addr)) {
+ brcmf_dbg(ERROR, "invalid sdpcm_shared address 0x%08X\n",
+ addr);
+ return -EINVAL;
+ }
+
+ /* Read hndrte_shared structure */
+ rv = brcmf_sdbrcm_membytes(bus, false, addr, (u8 *)&sh_le,
+ sizeof(struct sdpcm_shared_le));
+ if (rv < 0)
+ return rv;
+
+ /* Endianness */
+ sh->flags = le32_to_cpu(sh_le.flags);
+ sh->trap_addr = le32_to_cpu(sh_le.trap_addr);
+ sh->assert_exp_addr = le32_to_cpu(sh_le.assert_exp_addr);
+ sh->assert_file_addr = le32_to_cpu(sh_le.assert_file_addr);
+ sh->assert_line = le32_to_cpu(sh_le.assert_line);
+ sh->console_addr = le32_to_cpu(sh_le.console_addr);
+ sh->msgtrace_addr = le32_to_cpu(sh_le.msgtrace_addr);
+
+ if ((sh->flags & SDPCM_SHARED_VERSION_MASK) != SDPCM_SHARED_VERSION) {
+ brcmf_dbg(ERROR,
+ "sdpcm_shared version mismatch: dhd %d dongle %d\n",
+ SDPCM_SHARED_VERSION,
+ sh->flags & SDPCM_SHARED_VERSION_MASK);
+ return -EPROTO;
+ }
+
+ return 0;
+}
+
+static int brcmf_sdio_dump_console(struct brcmf_sdio *bus,
+ struct sdpcm_shared *sh, char __user *data,
+ size_t count)
+{
+ u32 addr, console_ptr, console_size, console_index;
+ char *conbuf = NULL;
+ __le32 sh_val;
+ int rv;
+ loff_t pos = 0;
+ int nbytes = 0;
+
+ /* obtain console information from device memory */
+ addr = sh->console_addr + offsetof(struct rte_console, log_le);
+ rv = brcmf_sdbrcm_membytes(bus, false, addr,
+ (u8 *)&sh_val, sizeof(u32));
+ if (rv < 0)
+ return rv;
+ console_ptr = le32_to_cpu(sh_val);
+
+ addr = sh->console_addr + offsetof(struct rte_console, log_le.buf_size);
+ rv = brcmf_sdbrcm_membytes(bus, false, addr,
+ (u8 *)&sh_val, sizeof(u32));
+ if (rv < 0)
+ return rv;
+ console_size = le32_to_cpu(sh_val);
+
+ addr = sh->console_addr + offsetof(struct rte_console, log_le.idx);
+ rv = brcmf_sdbrcm_membytes(bus, false, addr,
+ (u8 *)&sh_val, sizeof(u32));
+ if (rv < 0)
+ return rv;
+ console_index = le32_to_cpu(sh_val);
+
+ /* allocate buffer for console data */
+ if (console_size <= CONSOLE_BUFFER_MAX)
+ conbuf = vzalloc(console_size+1);
+
+ if (!conbuf)
+ return -ENOMEM;
+
+ /* obtain the console data from device */
+ conbuf[console_size] = '\0';
+ rv = brcmf_sdbrcm_membytes(bus, false, console_ptr, (u8 *)conbuf,
+ console_size);
+ if (rv < 0)
+ goto done;
+
+ rv = simple_read_from_buffer(data, count, &pos,
+ conbuf + console_index,
+ console_size - console_index);
+ if (rv < 0)
+ goto done;
+
+ nbytes = rv;
+ if (console_index > 0) {
+ pos = 0;
+ rv = simple_read_from_buffer(data+nbytes, count, &pos,
+ conbuf, console_index - 1);
+ if (rv < 0)
+ goto done;
+ rv += nbytes;
+ }
+done:
+ vfree(conbuf);
+ return rv;
+}
+
+static int brcmf_sdio_trap_info(struct brcmf_sdio *bus, struct sdpcm_shared *sh,
+ char __user *data, size_t count)
+{
+ int error, res;
+ char buf[350];
+ struct brcmf_trap_info tr;
+ int nbytes;
+ loff_t pos = 0;
+
+ if ((sh->flags & SDPCM_SHARED_TRAP) == 0)
+ return 0;
+
+ error = brcmf_sdbrcm_membytes(bus, false, sh->trap_addr, (u8 *)&tr,
+ sizeof(struct brcmf_trap_info));
+ if (error < 0)
+ return error;
+
+ nbytes = brcmf_sdio_dump_console(bus, sh, data, count);
+ if (nbytes < 0)
+ return nbytes;
+
+ res = scnprintf(buf, sizeof(buf),
+ "dongle trap info: type 0x%x @ epc 0x%08x\n"
+ " cpsr 0x%08x spsr 0x%08x sp 0x%08x\n"
+ " lr 0x%08x pc 0x%08x offset 0x%x\n"
+ " r0 0x%08x r1 0x%08x r2 0x%08x r3 0x%08x\n"
+ " r4 0x%08x r5 0x%08x r6 0x%08x r7 0x%08x\n",
+ le32_to_cpu(tr.type), le32_to_cpu(tr.epc),
+ le32_to_cpu(tr.cpsr), le32_to_cpu(tr.spsr),
+ le32_to_cpu(tr.r13), le32_to_cpu(tr.r14),
+ le32_to_cpu(tr.pc), sh->trap_addr,
+ le32_to_cpu(tr.r0), le32_to_cpu(tr.r1),
+ le32_to_cpu(tr.r2), le32_to_cpu(tr.r3),
+ le32_to_cpu(tr.r4), le32_to_cpu(tr.r5),
+ le32_to_cpu(tr.r6), le32_to_cpu(tr.r7));
+
+ error = simple_read_from_buffer(data+nbytes, count, &pos, buf, res);
+ if (error < 0)
+ return error;
+
+ nbytes += error;
+ return nbytes;
+}
+
+static int brcmf_sdio_assert_info(struct brcmf_sdio *bus,
+ struct sdpcm_shared *sh, char __user *data,
+ size_t count)
+{
+ int error = 0;
+ char buf[200];
+ char file[80] = "?";
+ char expr[80] = "<???>";
+ int res;
+ loff_t pos = 0;
+
+ if ((sh->flags & SDPCM_SHARED_ASSERT_BUILT) == 0) {
+ brcmf_dbg(INFO, "firmware not built with -assert\n");
+ return 0;
+ } else if ((sh->flags & SDPCM_SHARED_ASSERT) == 0) {
+ brcmf_dbg(INFO, "no assert in dongle\n");
+ return 0;
+ }
+
+ if (sh->assert_file_addr != 0) {
+ error = brcmf_sdbrcm_membytes(bus, false, sh->assert_file_addr,
+ (u8 *)file, 80);
+ if (error < 0)
+ return error;
+ }
+ if (sh->assert_exp_addr != 0) {
+ error = brcmf_sdbrcm_membytes(bus, false, sh->assert_exp_addr,
+ (u8 *)expr, 80);
+ if (error < 0)
+ return error;
+ }
+
+ res = scnprintf(buf, sizeof(buf),
+ "dongle assert: %s:%d: assert(%s)\n",
+ file, sh->assert_line, expr);
+ return simple_read_from_buffer(data, count, &pos, buf, res);
+}
+
+static int brcmf_sdbrcm_checkdied(struct brcmf_sdio *bus)
+{
+ int error;
+ struct sdpcm_shared sh;
+
+ down(&bus->sdsem);
+ error = brcmf_sdio_readshared(bus, &sh);
+ up(&bus->sdsem);
+
+ if (error < 0)
+ return error;
+
+ if ((sh.flags & SDPCM_SHARED_ASSERT_BUILT) == 0)
+ brcmf_dbg(INFO, "firmware not built with -assert\n");
+ else if (sh.flags & SDPCM_SHARED_ASSERT)
+ brcmf_dbg(ERROR, "assertion in dongle\n");
+
+ if (sh.flags & SDPCM_SHARED_TRAP)
+ brcmf_dbg(ERROR, "firmware trap in dongle\n");
+
+ return 0;
+}
+
+static int brcmf_sdbrcm_died_dump(struct brcmf_sdio *bus, char __user *data,
+ size_t count, loff_t *ppos)
+{
+ int error = 0;
+ struct sdpcm_shared sh;
+ int nbytes = 0;
+ loff_t pos = *ppos;
+
+ if (pos != 0)
+ return 0;
+
+ down(&bus->sdsem);
+ error = brcmf_sdio_readshared(bus, &sh);
+ if (error < 0)
+ goto done;
+
+ error = brcmf_sdio_assert_info(bus, &sh, data, count);
+ if (error < 0)
+ goto done;
+
+ nbytes = error;
+ error = brcmf_sdio_trap_info(bus, &sh, data, count);
+ if (error < 0)
+ goto done;
+
+ error += nbytes;
+ *ppos += error;
+done:
+ up(&bus->sdsem);
+ return error;
+}
+
+static ssize_t brcmf_sdio_forensic_read(struct file *f, char __user *data,
+ size_t count, loff_t *ppos)
+{
+ struct brcmf_sdio *bus = f->private_data;
+ int res;
+
+ res = brcmf_sdbrcm_died_dump(bus, data, count, ppos);
+ if (res > 0)
+ *ppos += res;
+ return (ssize_t)res;
+}
+
+static const struct file_operations brcmf_sdio_forensic_ops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = brcmf_sdio_forensic_read
+};
+
+static void brcmf_sdio_debugfs_create(struct brcmf_sdio *bus)
+{
+ struct brcmf_pub *drvr = bus->sdiodev->bus_if->drvr;
+ struct dentry *dentry = brcmf_debugfs_get_devdir(drvr);
+
+ if (IS_ERR_OR_NULL(dentry))
+ return;
+
+ debugfs_create_file("forensics", S_IRUGO, dentry, bus,
+ &brcmf_sdio_forensic_ops);
+ brcmf_debugfs_create_sdio_count(drvr, &bus->sdcnt);
+}
+#else
+static int brcmf_sdbrcm_checkdied(struct brcmf_sdio *bus)
+{
+ return 0;
+}
+
+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)
{
@@ -3009,60 +3319,27 @@ brcmf_sdbrcm_bus_rxctl(struct device *dev, unsigned char *msg, uint msglen)
rxlen, msglen);
} else if (timeleft == 0) {
brcmf_dbg(ERROR, "resumed on timeout\n");
+ brcmf_sdbrcm_checkdied(bus);
} else if (pending) {
brcmf_dbg(CTL, "cancelled\n");
return -ERESTARTSYS;
} else {
brcmf_dbg(CTL, "resumed for unknown reason?\n");
+ brcmf_sdbrcm_checkdied(bus);
}
if (rxlen)
- bus->rx_ctlpkts++;
+ bus->sdcnt.rx_ctlpkts++;
else
- bus->rx_ctlerrs++;
+ bus->sdcnt.rx_ctlerrs++;
return rxlen ? (int)rxlen : -ETIMEDOUT;
}
-static int brcmf_sdbrcm_downloadvars(struct brcmf_sdio *bus, void *arg, int len)
-{
- int bcmerror = 0;
-
- brcmf_dbg(TRACE, "Enter\n");
-
- /* Basic sanity checks */
- if (bus->sdiodev->bus_if->drvr_up) {
- bcmerror = -EISCONN;
- goto err;
- }
- if (!len) {
- bcmerror = -EOVERFLOW;
- goto err;
- }
-
- /* Free the old ones and replace with passed variables */
- kfree(bus->vars);
-
- bus->vars = kmalloc(len, GFP_ATOMIC);
- bus->varsz = bus->vars ? len : 0;
- if (bus->vars == NULL) {
- bcmerror = -ENOMEM;
- goto err;
- }
-
- /* Copy the passed variables, which should include the
- terminating double-null */
- memcpy(bus->vars, arg, bus->varsz);
-err:
- return bcmerror;
-}
-
static int brcmf_sdbrcm_write_vars(struct brcmf_sdio *bus)
{
int bcmerror = 0;
- u32 varsize;
u32 varaddr;
- u8 *vbuffer;
u32 varsizew;
__le32 varsizew_le;
#ifdef DEBUG
@@ -3071,56 +3348,44 @@ static int brcmf_sdbrcm_write_vars(struct brcmf_sdio *bus)
/* Even if there are no vars are to be written, we still
need to set the ramsize. */
- varsize = bus->varsz ? roundup(bus->varsz, 4) : 0;
- varaddr = (bus->ramsize - 4) - varsize;
+ varaddr = (bus->ramsize - 4) - bus->varsz;
if (bus->vars) {
- vbuffer = kzalloc(varsize, GFP_ATOMIC);
- if (!vbuffer)
- return -ENOMEM;
-
- memcpy(vbuffer, bus->vars, bus->varsz);
-
/* Write the vars list */
- bcmerror =
- brcmf_sdbrcm_membytes(bus, true, varaddr, vbuffer, varsize);
+ bcmerror = brcmf_sdbrcm_membytes(bus, true, varaddr,
+ bus->vars, bus->varsz);
#ifdef DEBUG
/* Verify NVRAM bytes */
- brcmf_dbg(INFO, "Compare NVRAM dl & ul; varsize=%d\n", varsize);
- nvram_ularray = kmalloc(varsize, GFP_ATOMIC);
- if (!nvram_ularray) {
- kfree(vbuffer);
+ brcmf_dbg(INFO, "Compare NVRAM dl & ul; varsize=%d\n",
+ bus->varsz);
+ nvram_ularray = kmalloc(bus->varsz, GFP_ATOMIC);
+ if (!nvram_ularray)
return -ENOMEM;
- }
/* Upload image to verify downloaded contents. */
- memset(nvram_ularray, 0xaa, varsize);
+ memset(nvram_ularray, 0xaa, bus->varsz);
/* Read the vars list to temp buffer for comparison */
- bcmerror =
- brcmf_sdbrcm_membytes(bus, false, varaddr, nvram_ularray,
- varsize);
+ bcmerror = brcmf_sdbrcm_membytes(bus, false, varaddr,
+ nvram_ularray, bus->varsz);
if (bcmerror) {
brcmf_dbg(ERROR, "error %d on reading %d nvram bytes at 0x%08x\n",
- bcmerror, varsize, varaddr);
+ bcmerror, bus->varsz, varaddr);
}
/* Compare the org NVRAM with the one read from RAM */
- if (memcmp(vbuffer, nvram_ularray, varsize))
+ if (memcmp(bus->vars, nvram_ularray, bus->varsz))
brcmf_dbg(ERROR, "Downloaded NVRAM image is corrupted\n");
else
brcmf_dbg(ERROR, "Download/Upload/Compare of NVRAM ok\n");
kfree(nvram_ularray);
#endif /* DEBUG */
-
- kfree(vbuffer);
}
/* adjust to the user specified RAM */
brcmf_dbg(INFO, "Physical memory size: %d\n", bus->ramsize);
brcmf_dbg(INFO, "Vars are at %d, orig varsize is %d\n",
- varaddr, varsize);
- varsize = ((bus->ramsize - 4) - varaddr);
+ varaddr, bus->varsz);
/*
* Determine the length token:
@@ -3131,13 +3396,13 @@ static int brcmf_sdbrcm_write_vars(struct brcmf_sdio *bus)
varsizew = 0;
varsizew_le = cpu_to_le32(0);
} else {
- varsizew = varsize / 4;
+ varsizew = bus->varsz / 4;
varsizew = (~varsizew << 16) | (varsizew & 0x0000FFFF);
varsizew_le = cpu_to_le32(varsizew);
}
brcmf_dbg(INFO, "New varsize is %d, length token=0x%08x\n",
- varsize, varsizew);
+ bus->varsz, varsizew);
/* Write the length token to the last word */
bcmerror = brcmf_sdbrcm_membytes(bus, true, (bus->ramsize - 4),
@@ -3261,13 +3526,21 @@ err:
* by two NULs.
*/
-static uint brcmf_process_nvram_vars(char *varbuf, uint len)
+static int brcmf_process_nvram_vars(struct brcmf_sdio *bus)
{
+ char *varbuf;
char *dp;
bool findNewline;
int column;
- uint buf_len, n;
+ int ret = 0;
+ uint buf_len, n, len;
+ len = bus->firmware->size;
+ varbuf = vmalloc(len);
+ if (!varbuf)
+ return -ENOMEM;
+
+ memcpy(varbuf, bus->firmware->data, len);
dp = varbuf;
findNewline = false;
@@ -3296,56 +3569,44 @@ static uint brcmf_process_nvram_vars(char *varbuf, uint len)
column++;
}
buf_len = dp - varbuf;
-
while (dp < varbuf + n)
*dp++ = 0;
- return buf_len;
+ kfree(bus->vars);
+ /* roundup needed for download to device */
+ bus->varsz = roundup(buf_len + 1, 4);
+ bus->vars = kmalloc(bus->varsz, GFP_KERNEL);
+ if (bus->vars == NULL) {
+ bus->varsz = 0;
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ /* copy the processed variables and add null termination */
+ memcpy(bus->vars, varbuf, buf_len);
+ bus->vars[buf_len] = 0;
+err:
+ vfree(varbuf);
+ return ret;
}
static int brcmf_sdbrcm_download_nvram(struct brcmf_sdio *bus)
{
- uint len;
- char *memblock = NULL;
- char *bufp;
int ret;
+ if (bus->sdiodev->bus_if->drvr_up)
+ return -EISCONN;
+
ret = request_firmware(&bus->firmware, BRCMF_SDIO_NV_NAME,
&bus->sdiodev->func[2]->dev);
if (ret) {
brcmf_dbg(ERROR, "Fail to request nvram %d\n", ret);
return ret;
}
- bus->fw_ptr = 0;
-
- memblock = kmalloc(MEMBLOCK, GFP_ATOMIC);
- if (memblock == NULL) {
- ret = -ENOMEM;
- goto err;
- }
-
- len = brcmf_sdbrcm_get_image(memblock, MEMBLOCK, bus);
-
- if (len > 0 && len < MEMBLOCK) {
- bufp = (char *)memblock;
- bufp[len] = 0;
- len = brcmf_process_nvram_vars(bufp, len);
- bufp += len;
- *bufp++ = 0;
- if (len)
- ret = brcmf_sdbrcm_downloadvars(bus, memblock, len + 1);
- if (ret)
- brcmf_dbg(ERROR, "error downloading vars: %d\n", ret);
- } else {
- brcmf_dbg(ERROR, "error reading nvram file: %d\n", len);
- ret = -EIO;
- }
-err:
- kfree(memblock);
+ ret = brcmf_process_nvram_vars(bus);
release_firmware(bus->firmware);
- bus->fw_ptr = 0;
return ret;
}
@@ -3419,7 +3680,7 @@ static int brcmf_sdbrcm_bus_init(struct device *dev)
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);
@@ -3512,7 +3773,7 @@ void brcmf_sdbrcm_isr(void *arg)
return;
}
/* Count the interrupt call */
- bus->intrcount++;
+ bus->sdcnt.intrcount++;
bus->ipend = true;
/* Shouldn't get this interrupt if we're sleeping? */
@@ -3554,7 +3815,8 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus)
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;
@@ -3569,7 +3831,7 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus)
/* 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;
@@ -3581,7 +3843,7 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus)
}
/* Update interrupt tracking */
- bus->lastintrs = bus->intrcount;
+ bus->sdcnt.lastintrs = bus->sdcnt.intrcount;
}
#ifdef DEBUG
/* Poll for console output periodically */
@@ -3623,6 +3885,8 @@ static bool brcmf_sdbrcm_chipmatch(u16 chipid)
return true;
if (chipid == BCM4330_CHIP_ID)
return true;
+ if (chipid == BCM4334_CHIP_ID)
+ return true;
return false;
}
@@ -3793,7 +4057,7 @@ brcmf_sdbrcm_watchdog_thread(void *data)
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;
}
@@ -3856,6 +4120,10 @@ void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev)
{
int ret;
struct brcmf_sdio *bus;
+ struct brcmf_bus_dcmd *dlst;
+ u32 dngl_txglom;
+ u32 dngl_txglomalign;
+ u8 idx;
brcmf_dbg(TRACE, "Enter\n");
@@ -3938,8 +4206,29 @@ void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev)
goto fail;
}
+ brcmf_sdio_debugfs_create(bus);
brcmf_dbg(INFO, "completed!!\n");
+ /* sdio bus core specific dcmd */
+ idx = brcmf_sdio_chip_getinfidx(bus->ci, BCMA_CORE_SDIO_DEV);
+ dlst = kzalloc(sizeof(struct brcmf_bus_dcmd), GFP_KERNEL);
+ if (dlst) {
+ if (bus->ci->c_inf[idx].rev < 12) {
+ /* for sdio core rev < 12, disable txgloming */
+ dngl_txglom = 0;
+ dlst->name = "bus:txglom";
+ dlst->param = (char *)&dngl_txglom;
+ dlst->param_len = sizeof(u32);
+ } else {
+ /* otherwise, set txglomalign */
+ dngl_txglomalign = bus->sdiodev->bus_if->align;
+ dlst->name = "bus:txglomalign";
+ dlst->param = (char *)&dngl_txglomalign;
+ dlst->param_len = sizeof(u32);
+ }
+ list_add(&dlst->list, &bus->sdiodev->bus_if->dcmd_list);
+ }
+
/* if firmware path present try to download and bring up bus */
ret = brcmf_bus_start(bus->sdiodev->dev);
if (ret != 0) {
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-01 16:40:37 +0000