mirror of https://gitee.com/openkylin/linux.git
DM9000: Fix endian-ness of data accesses.
Patch from: Laurent Pinchart <laurentp@cse-semaphore.com> This patch splits the receive status in 8bit wide fields and convert the packet length from little endian to CPU byte order. Signed-off-by: Laurent Pinchart <laurentp@cse-semaphore.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
parent
a8cc21f646
commit
931165739a
|
@ -867,7 +867,8 @@ dm9000_timer(unsigned long data)
|
|||
}
|
||||
|
||||
struct dm9000_rxhdr {
|
||||
u16 RxStatus;
|
||||
u8 RxPktReady;
|
||||
u8 RxStatus;
|
||||
u16 RxLen;
|
||||
} __attribute__((__packed__));
|
||||
|
||||
|
@ -908,7 +909,7 @@ dm9000_rx(struct net_device *dev)
|
|||
|
||||
(db->inblk)(db->io_data, &rxhdr, sizeof(rxhdr));
|
||||
|
||||
RxLen = rxhdr.RxLen;
|
||||
RxLen = le16_to_cpu(rxhdr.RxLen);
|
||||
|
||||
/* Packet Status check */
|
||||
if (RxLen < 0x40) {
|
||||
|
@ -920,17 +921,17 @@ dm9000_rx(struct net_device *dev)
|
|||
PRINTK1("RST: RX Len:%x\n", RxLen);
|
||||
}
|
||||
|
||||
if (rxhdr.RxStatus & 0xbf00) {
|
||||
if (rxhdr.RxStatus & 0xbf) {
|
||||
GoodPacket = false;
|
||||
if (rxhdr.RxStatus & 0x100) {
|
||||
if (rxhdr.RxStatus & 0x01) {
|
||||
PRINTK1("fifo error\n");
|
||||
dev->stats.rx_fifo_errors++;
|
||||
}
|
||||
if (rxhdr.RxStatus & 0x200) {
|
||||
if (rxhdr.RxStatus & 0x02) {
|
||||
PRINTK1("crc error\n");
|
||||
dev->stats.rx_crc_errors++;
|
||||
}
|
||||
if (rxhdr.RxStatus & 0x8000) {
|
||||
if (rxhdr.RxStatus & 0x80) {
|
||||
PRINTK1("length error\n");
|
||||
dev->stats.rx_length_errors++;
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue