diff options
-rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/bcdc.c | 10 | ||||
-rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd.h | 5 |
2 files changed, 10 insertions, 5 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcdc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcdc.c index 12c27d13df7f..c229210d50ba 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcdc.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcdc.c @@ -41,9 +41,6 @@ struct brcmf_proto_bcdc_dcmd { __le32 status; /* status code returned from the device */ }; -/* Max valid buffer size that can be sent to the dongle */ -#define BCDC_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN) - /* BCDC flag definitions */ #define BCDC_DCMD_ERROR 0x01 /* 1=cmd failed */ #define BCDC_DCMD_SET 0x02 /* 0=get, 1=set cmd */ @@ -133,9 +130,12 @@ brcmf_proto_bcdc_msg(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf, if (buf) memcpy(bcdc->buf, buf, len); + len += sizeof(*msg); + if (len > BRCMF_TX_IOCTL_MAX_MSG_SIZE) + len = BRCMF_TX_IOCTL_MAX_MSG_SIZE; + /* Send request */ - return brcmf_bus_txctl(drvr->bus_if, (unsigned char *)&bcdc->msg, - len + sizeof(struct brcmf_proto_bcdc_dcmd)); + return brcmf_bus_txctl(drvr->bus_if, (unsigned char *)&bcdc->msg, len); } static int brcmf_proto_bcdc_cmplt(struct brcmf_pub *drvr, u32 id, u32 len) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h index e29965744b71..939d6b132922 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h @@ -37,6 +37,11 @@ #define BRCMF_DCMD_MEDLEN 1536 #define BRCMF_DCMD_MAXLEN 8192 +/* IOCTL from host to device are limited in lenght. A device can only handle + * ethernet frame size. This limitation is to be applied by protocol layer. + */ +#define BRCMF_TX_IOCTL_MAX_MSG_SIZE (ETH_FRAME_LEN+ETH_FCS_LEN) + #define BRCMF_AMPDU_RX_REORDER_MAXFLOWS 256 /* Length of firmware version string stored for |