Commit 776dddc5 authored by Arend van Spriel's avatar Arend van Spriel Committed by Greg Kroah-Hartman

staging: brcm80211: use endian annotated structures in brcmsmac

Structures interfacing with the device have a specific endianess and
structures exchanged between host and device have been annotated so
sparse checking can be done. The Makefile has been modified to add
the __CHECK_ENDIAN__ flag.
Reported-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Reviewed-by: default avatarPieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: default avatarRoland Vossen <rvossen@broadcom.com>
Signed-off-by: default avatarFranky Lin <frankyl@broadcom.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent f32f116b
......@@ -15,7 +15,8 @@
# OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
ccflags-y := \
ccflags-y := \
-D__CHECK_ENDIAN__ \
-Idrivers/staging/brcm80211/brcmsmac \
-Idrivers/staging/brcm80211/brcmsmac/phy \
-Idrivers/staging/brcm80211/include
......
......@@ -745,37 +745,37 @@ struct cck_phy_hdr {
/* TX DMA buffer header */
struct d11txh {
u16 MacTxControlLow; /* 0x0 */
u16 MacTxControlHigh; /* 0x1 */
u16 MacFrameControl; /* 0x2 */
u16 TxFesTimeNormal; /* 0x3 */
u16 PhyTxControlWord; /* 0x4 */
u16 PhyTxControlWord_1; /* 0x5 */
u16 PhyTxControlWord_1_Fbr; /* 0x6 */
u16 PhyTxControlWord_1_Rts; /* 0x7 */
u16 PhyTxControlWord_1_FbrRts; /* 0x8 */
u16 MainRates; /* 0x9 */
u16 XtraFrameTypes; /* 0xa */
__le16 MacTxControlLow; /* 0x0 */
__le16 MacTxControlHigh; /* 0x1 */
__le16 MacFrameControl; /* 0x2 */
__le16 TxFesTimeNormal; /* 0x3 */
__le16 PhyTxControlWord; /* 0x4 */
__le16 PhyTxControlWord_1; /* 0x5 */
__le16 PhyTxControlWord_1_Fbr; /* 0x6 */
__le16 PhyTxControlWord_1_Rts; /* 0x7 */
__le16 PhyTxControlWord_1_FbrRts; /* 0x8 */
__le16 MainRates; /* 0x9 */
__le16 XtraFrameTypes; /* 0xa */
u8 IV[16]; /* 0x0b - 0x12 */
u8 TxFrameRA[6]; /* 0x13 - 0x15 */
u16 TxFesTimeFallback; /* 0x16 */
__le16 TxFesTimeFallback; /* 0x16 */
u8 RTSPLCPFallback[6]; /* 0x17 - 0x19 */
u16 RTSDurFallback; /* 0x1a */
__le16 RTSDurFallback; /* 0x1a */
u8 FragPLCPFallback[6]; /* 0x1b - 1d */
u16 FragDurFallback; /* 0x1e */
u16 MModeLen; /* 0x1f */
u16 MModeFbrLen; /* 0x20 */
u16 TstampLow; /* 0x21 */
u16 TstampHigh; /* 0x22 */
u16 ABI_MimoAntSel; /* 0x23 */
u16 PreloadSize; /* 0x24 */
u16 AmpduSeqCtl; /* 0x25 */
u16 TxFrameID; /* 0x26 */
u16 TxStatus; /* 0x27 */
u16 MaxNMpdus; /* 0x28 */
u16 MaxABytes_MRT; /* 0x29 */
u16 MaxABytes_FBR; /* 0x2a */
u16 MinMBytes; /* 0x2b */
__le16 FragDurFallback; /* 0x1e */
__le16 MModeLen; /* 0x1f */
__le16 MModeFbrLen; /* 0x20 */
__le16 TstampLow; /* 0x21 */
__le16 TstampHigh; /* 0x22 */
__le16 ABI_MimoAntSel; /* 0x23 */
__le16 PreloadSize; /* 0x24 */
__le16 AmpduSeqCtl; /* 0x25 */
__le16 TxFrameID; /* 0x26 */
__le16 TxStatus; /* 0x27 */
__le16 MaxNMpdus; /* 0x28 */
__le16 MaxABytes_MRT; /* 0x29 */
__le16 MaxABytes_FBR; /* 0x2a */
__le16 MinMBytes; /* 0x2b */
u8 RTSPhyHeader[D11_PHY_HDR_LEN]; /* 0x2c - 0x2e */
struct ieee80211_rts rts_frame; /* 0x2f - 0x36 */
u16 PAD; /* 0x37 */
......@@ -1379,6 +1379,21 @@ struct shm_acparams {
* RxTSFTime: RxTSFTime time of first MAC symbol + M_PHY_PLCPRX_DLY
* RxChan: gain code, channel radio code, and phy type
*/
struct d11rxhdr_le {
__le16 RxFrameSize;
u16 PAD;
__le16 PhyRxStatus_0;
__le16 PhyRxStatus_1;
__le16 PhyRxStatus_2;
__le16 PhyRxStatus_3;
__le16 PhyRxStatus_4;
__le16 PhyRxStatus_5;
__le16 RxStatus1;
__le16 RxStatus2;
__le16 RxTSFTime;
__le16 RxChan;
} __packed;
struct d11rxhdr {
u16 RxFrameSize;
u16 PAD;
......@@ -1392,20 +1407,18 @@ struct d11rxhdr {
u16 RxStatus2;
u16 RxTSFTime;
u16 RxChan;
} __packed;
};
/*
* rxhdr: received frame header data
* tsf_l: TSF_L reading
* rssi: computed instanteneous rssi in BMAC
* rssi: rssi computed by PHY
* rxpwr0: obsoleted, place holder for legacy ROM code. use rxpwr[]
* rxpwr1: obsoleted, place holder for legacy ROM code. use rxpwr[]
* do_rssi_ma: do per-pkt sampling for per-antenna ma in HIGH
* rxpwr: rssi for supported antennas
*/
struct brcms_d11rxhdr {
struct d11rxhdr rxhdr;
u32 tsf_l;
struct d11rxhdr rxh_cpu;
s8 rssi;
s8 rxpwr0;
s8 rxpwr1;
......
......@@ -206,10 +206,10 @@
* Descriptors are only read by the hardware, never written back.
*/
struct dma64desc {
u32 ctrl1; /* misc control bits & bufcount */
u32 ctrl2; /* buffer count and address extension */
u32 addrlow; /* memory address of the date buffer, bits 31:0 */
u32 addrhigh; /* memory address of the date buffer, bits 63:32 */
__le32 ctrl1; /* misc control bits & bufcount */
__le32 ctrl2; /* buffer count and address extension */
__le32 addrlow; /* memory address of the date buffer, bits 31:0 */
__le32 addrhigh; /* memory address of the date buffer, bits 63:32 */
};
/* dma engine software state */
......@@ -295,15 +295,18 @@ struct dma_info {
static uint dma_msg_level;
/* Check for odd number of 1's */
static u32 parity32(u32 data)
static u32 parity32(__le32 data)
{
data ^= data >> 16;
data ^= data >> 8;
data ^= data >> 4;
data ^= data >> 2;
data ^= data >> 1;
/* no swap needed for counting 1's */
u32 par_data = *(u32 *)&data;
return data & 1;
par_data ^= par_data >> 16;
par_data ^= par_data >> 8;
par_data ^= par_data >> 4;
par_data ^= par_data >> 2;
par_data ^= par_data >> 1;
return par_data & 1;
}
static bool dma64_dd_parity(struct dma64desc *dd)
......@@ -873,13 +876,13 @@ static struct sk_buff *dma64_getnextrxp(struct dma_info *di, bool forceall)
rxp = di->rxp[i];
di->rxp[i] = NULL;
pa = cpu_to_le32(di->rxd64[i].addrlow) - di->dataoffsetlow;
pa = le32_to_cpu(di->rxd64[i].addrlow) - di->dataoffsetlow;
/* clear this packet from the descriptor ring */
pci_unmap_single(di->pbus, pa, di->rxbufsize, PCI_DMA_FROMDEVICE);
di->rxd64[i].addrlow = 0xdeadbeef;
di->rxd64[i].addrhigh = 0xdeadbeef;
di->rxd64[i].addrlow = cpu_to_le32(0xdeadbeef);
di->rxd64[i].addrhigh = cpu_to_le32(0xdeadbeef);
di->rxin = nextrxd(di, i);
......@@ -917,7 +920,7 @@ struct sk_buff *dma_rx(struct dma_pub *pub)
if (head == NULL)
return NULL;
len = le16_to_cpu(*(u16 *) (head->data));
len = le16_to_cpu(*(__le16 *) (head->data));
DMA_TRACE(("%s: dma_rx len %d\n", di->name, len));
dma_spin_for_len(len, head);
......@@ -1367,14 +1370,14 @@ struct sk_buff *dma_getnexttxp(struct dma_pub *pub, enum txd_range range)
dma_addr_t pa;
uint size;
pa = cpu_to_le32(di->txd64[i].addrlow) - di->dataoffsetlow;
pa = le32_to_cpu(di->txd64[i].addrlow) - di->dataoffsetlow;
size =
(cpu_to_le32(di->txd64[i].ctrl2) &
(le32_to_cpu(di->txd64[i].ctrl2) &
D64_CTRL2_BC_MASK);
di->txd64[i].addrlow = 0xdeadbeef;
di->txd64[i].addrhigh = 0xdeadbeef;
di->txd64[i].addrlow = cpu_to_le32(0xdeadbeef);
di->txd64[i].addrhigh = cpu_to_le32(0xdeadbeef);
txp = di->txp[i];
di->txp[i] = NULL;
......
......@@ -89,9 +89,9 @@
}
struct firmware_hdr {
u32 offset;
u32 len;
u32 idx;
__le32 offset;
__le32 len;
__le32 idx;
};
static const char * const brcms_firmwares[MAX_FW_IMAGES] = {
......@@ -243,7 +243,7 @@ static const struct ieee80211_supported_band brcms_band_2GHz_nphy_template = {
.mcs = {
/* placeholders for now */
.rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
.rx_highest = 500,
.rx_highest = cpu_to_le16(500),
.tx_params = IEEE80211_HT_MCS_TX_DEFINED}
}
};
......@@ -265,7 +265,7 @@ static const struct ieee80211_supported_band brcms_band_5GHz_nphy_template = {
.mcs = {
/* placeholders for now */
.rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
.rx_highest = 500,
.rx_highest = cpu_to_le16(500),
.tx_params = IEEE80211_HT_MCS_TX_DEFINED}
}
};
......@@ -1625,7 +1625,7 @@ int brcms_ucode_init_uint(struct brcms_info *wl, u32 *data, u32 idx)
"ERROR: fw hdr len\n");
return -ENOMSG;
}
*data = le32_to_cpu(*((u32 *) pdata));
*data = le32_to_cpu(*((__le32 *) pdata));
return 0;
}
}
......
......@@ -338,9 +338,9 @@ static u16 frametype(u32 rspec, u8 mimoframe)
#define XMTFIFOTBL_STARTREV 20
struct d11init {
u16 addr;
u16 size;
u32 value;
__le16 addr;
__le16 size;
__le32 value;
};
/* currently the best mechanism for determining SIFS is the band in use */
......@@ -666,7 +666,7 @@ static void brcms_c_write_inits(struct brcms_hardware *wlc_hw,
base = (u8 *)wlc_hw->regs;
for (i = 0; inits[i].addr != 0xffff; i++) {
for (i = 0; inits[i].addr != cpu_to_le16(0xffff); i++) {
size = le16_to_cpu(inits[i].size);
addr = base + le16_to_cpu(inits[i].addr);
value = le32_to_cpu(inits[i].value);
......@@ -806,30 +806,33 @@ brcms_b_recv(struct brcms_hardware *wlc_hw, uint fifo, bool bound)
/* process each frame */
while ((p = head) != NULL) {
struct d11rxhdr_le *rxh_le;
struct d11rxhdr *rxh;
head = head->prev;
p->prev = NULL;
wlc_rxhdr = (struct brcms_d11rxhdr *) p->data;
rxh_le = (struct d11rxhdr_le *)p->data;
rxh = (struct d11rxhdr *)p->data;
wlc_rxhdr = (struct brcms_d11rxhdr *) p->data;
/* fixup rx header endianness */
rxh->RxFrameSize = le16_to_cpu(rxh->RxFrameSize);
rxh->PhyRxStatus_0 = le16_to_cpu(rxh->PhyRxStatus_0);
rxh->PhyRxStatus_1 = le16_to_cpu(rxh->PhyRxStatus_1);
rxh->PhyRxStatus_2 = le16_to_cpu(rxh->PhyRxStatus_2);
rxh->PhyRxStatus_3 = le16_to_cpu(rxh->PhyRxStatus_3);
rxh->PhyRxStatus_4 = le16_to_cpu(rxh->PhyRxStatus_4);
rxh->PhyRxStatus_5 = le16_to_cpu(rxh->PhyRxStatus_5);
rxh->RxStatus1 = le16_to_cpu(rxh->RxStatus1);
rxh->RxStatus2 = le16_to_cpu(rxh->RxStatus2);
rxh->RxTSFTime = le16_to_cpu(rxh->RxTSFTime);
rxh->RxChan = le16_to_cpu(rxh->RxChan);
rxh->RxFrameSize = le16_to_cpu(rxh_le->RxFrameSize);
rxh->PhyRxStatus_0 = le16_to_cpu(rxh_le->PhyRxStatus_0);
rxh->PhyRxStatus_1 = le16_to_cpu(rxh_le->PhyRxStatus_1);
rxh->PhyRxStatus_2 = le16_to_cpu(rxh_le->PhyRxStatus_2);
rxh->PhyRxStatus_3 = le16_to_cpu(rxh_le->PhyRxStatus_3);
rxh->PhyRxStatus_4 = le16_to_cpu(rxh_le->PhyRxStatus_4);
rxh->PhyRxStatus_5 = le16_to_cpu(rxh_le->PhyRxStatus_5);
rxh->RxStatus1 = le16_to_cpu(rxh_le->RxStatus1);
rxh->RxStatus2 = le16_to_cpu(rxh_le->RxStatus2);
rxh->RxTSFTime = le16_to_cpu(rxh_le->RxTSFTime);
rxh->RxChan = le16_to_cpu(rxh_le->RxChan);
/*
* compute the RSSI from d11rxhdr and record it in wlc_rxd11hr
*/
wlc_rxhdr->rssi = wlc_phy_rssi_compute(wlc_hw->band->pi, rxh);
wlc_rxhdr->rssi = (s8)wlc_phy_rssi_compute(wlc_hw->band->pi,
rxh);
brcms_c_recv(wlc_hw->wlc, p);
}
......@@ -888,7 +891,7 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs)
brcms_c_print_txstatus(txs);
}
if (txs->frameid != cpu_to_le16(txh->TxFrameID))
if (txs->frameid != le16_to_cpu(txh->TxFrameID))
goto fatal;
tx_info = IEEE80211_SKB_CB(p);
h = (struct ieee80211_hdr *)((u8 *) (txh + 1) + D11_PHY_HDR_LEN);
......@@ -907,7 +910,7 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs)
"%s: Pkt tx suppressed, possibly channel %d\n",
__func__, CHSPEC_CHANNEL(wlc->default_bss->chanspec));
tx_rts = cpu_to_le16(txh->MacTxControlLow) & TXC_SENDRTS;
tx_rts = le16_to_cpu(txh->MacTxControlLow) & TXC_SENDRTS;
tx_frame_count =
(txs->status & TX_STATUS_FRM_RTX_MASK) >> TX_STATUS_FRM_RTX_SHIFT;
tx_rts_count =
......@@ -1676,6 +1679,8 @@ brcms_b_write_template_ram(struct brcms_hardware *wlc_hw, int offset, int len,
{
struct d11regs *regs;
u32 word;
__le32 word_le;
__be32 word_be;
bool be_bit;
BCMMSG(wlc_hw->wlc->wiphy, "wl%d\n", wlc_hw->unit);
......@@ -1691,10 +1696,13 @@ brcms_b_write_template_ram(struct brcms_hardware *wlc_hw, int offset, int len,
while (len > 0) {
memcpy(&word, buf, sizeof(u32));
if (be_bit)
word = cpu_to_be32(word);
else
word = cpu_to_le32(word);
if (be_bit) {
word_be = cpu_to_be32(word);
word = *(u32 *)&word_be;
} else {
word_le = cpu_to_le32(word);
word = *(u32 *)&word_le;
}
W_REG(&regs->tplatewrdata, word);
......@@ -2437,8 +2445,9 @@ static void brcms_c_gpio_init(struct brcms_c_info *wlc)
ai_gpiocontrol(wlc_hw->sih, gm, gc, GPIO_DRV_PRIORITY);
}
static void brcms_ucode_write(struct brcms_hardware *wlc_hw, const u32 ucode[],
const uint nbytes) {
static void brcms_ucode_write(struct brcms_hardware *wlc_hw,
const __le32 ucode[], const size_t nbytes)
{
struct d11regs *regs = wlc_hw->regs;
uint i;
uint count;
......@@ -4260,7 +4269,7 @@ void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci,
do {
memset((char *)&acp_shm, 0, sizeof(struct shm_acparams));
/* fill in shm ac params struct */
acp_shm.txop = le16_to_cpu(params->txop);
acp_shm.txop = params->txop;
/* convert from units of 32us to us for ucode */
wlc->edcf_txop[aci & 0x3] = acp_shm.txop =
EDCF_TXOP2USEC(acp_shm.txop);
......@@ -4313,16 +4322,11 @@ void brcms_c_edcf_setparams(struct brcms_c_info *wlc, bool suspend)
u16 aci;
int i_ac;
struct ieee80211_tx_queue_params txq_pars;
struct ieee80211_tx_queue_params *params = &txq_pars;
static const struct edcf_acparam default_edcf_acparams[] = {
{EDCF_AC_BE_ACI_STA, EDCF_AC_BE_ECW_STA,
cpu_to_le16(EDCF_AC_BE_TXOP_STA)},
{EDCF_AC_BK_ACI_STA, EDCF_AC_BK_ECW_STA,
cpu_to_le16(EDCF_AC_BK_TXOP_STA)},
{EDCF_AC_VI_ACI_STA, EDCF_AC_VI_ECW_STA,
cpu_to_le16(EDCF_AC_VI_TXOP_STA)},
{EDCF_AC_VO_ACI_STA, EDCF_AC_VO_ECW_STA,
cpu_to_le16(EDCF_AC_VO_TXOP_STA)}
{EDCF_AC_BE_ACI_STA, EDCF_AC_BE_ECW_STA, EDCF_AC_BE_TXOP_STA},
{EDCF_AC_BK_ACI_STA, EDCF_AC_BK_ECW_STA, EDCF_AC_BK_TXOP_STA},
{EDCF_AC_VI_ACI_STA, EDCF_AC_VI_ECW_STA, EDCF_AC_VI_TXOP_STA},
{EDCF_AC_VO_ACI_STA, EDCF_AC_VO_ECW_STA, EDCF_AC_VO_TXOP_STA}
}; /* ucode needs these parameters during its initialization */
const struct edcf_acparam *edcf_acp = &default_edcf_acparams[0];
......@@ -4331,15 +4335,15 @@ void brcms_c_edcf_setparams(struct brcms_c_info *wlc, bool suspend)
aci = (edcf_acp->ACI & EDCF_ACI_MASK) >> EDCF_ACI_SHIFT;
/* fill in shm ac params struct */
params->txop = edcf_acp->TXOP;
params->aifs = edcf_acp->ACI;
txq_pars.txop = edcf_acp->TXOP;
txq_pars.aifs = edcf_acp->ACI;
/* CWmin = 2^(ECWmin) - 1 */
params->cw_min = EDCF_ECW2CW(edcf_acp->ECW & EDCF_ECWMIN_MASK);
txq_pars.cw_min = EDCF_ECW2CW(edcf_acp->ECW & EDCF_ECWMIN_MASK);
/* CWmax = 2^(ECWmax) - 1 */
params->cw_max = EDCF_ECW2CW((edcf_acp->ECW & EDCF_ECWMAX_MASK)
txq_pars.cw_max = EDCF_ECW2CW((edcf_acp->ECW & EDCF_ECWMAX_MASK)
>> EDCF_ECWMAX_SHIFT);
brcms_c_wme_setparams(wlc, aci, params, suspend);
brcms_c_wme_setparams(wlc, aci, &txq_pars, suspend);
}
if (suspend)
......@@ -8126,7 +8130,7 @@ static u64 brcms_c_recover_tsf64(struct brcms_c_info *wlc,
brcms_b_read_tsf(wlc->hw, &tsf_l, &tsf_h);
rx_tsf_16_31 = (u16)(tsf_l >> 16);
rx_tsf_0_15 = rxh->rxhdr.RxTSFTime;
rx_tsf_0_15 = rxh->rxh_cpu.RxTSFTime;
/*
* a greater tsf time indicates the low 16 bits of
......
......@@ -822,14 +822,14 @@ static inline void ltoh16_buf(u16 *buf, unsigned int size)
{
size /= 2;
while (size--)
*(buf + size) = le16_to_cpu(*(buf + size));
*(buf + size) = le16_to_cpu(*(__le16 *)(buf + size));
}
static inline void htol16_buf(u16 *buf, unsigned int size)
{
size /= 2;
while (size--)
*(buf + size) = cpu_to_le16(*(buf + size));
*(__le16 *)(buf + size) = cpu_to_le16(*(buf + size));
}
/* Initialization of varbuf structure */
......
......@@ -35,10 +35,10 @@ struct brcms_ucode {
struct d11init *d11n0absinitvals16;
struct d11init *d11n0bsinitvals16;
struct d11init *d11n0initvals16;
u32 *bcm43xx_16_mimo;
u32 bcm43xx_16_mimosz;
u32 *bcm43xx_24_lcn;
u32 bcm43xx_24_lcnsz;
__le32 *bcm43xx_16_mimo;
size_t bcm43xx_16_mimosz;
__le32 *bcm43xx_24_lcn;
size_t bcm43xx_24_lcnsz;
u32 *bcm43xx_bommajor;
u32 *bcm43xx_bomminor;
};
......
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