diff options
| -rw-r--r-- | src/drivers/net/realtek.c | 4 | ||||
| -rw-r--r-- | src/drivers/net/realtek.h | 5 |
2 files changed, 7 insertions, 2 deletions
diff --git a/src/drivers/net/realtek.c b/src/drivers/net/realtek.c index a43efb6..80442ab 100644 --- a/src/drivers/net/realtek.c +++ b/src/drivers/net/realtek.c @@ -1067,11 +1067,15 @@ static void realtek_detect ( struct realtek_nic *rtl ) { * Note that enabling DAC seems to cause bizarre behaviour * (lockups, garbage data on the wire) on some systems, even * if only 32-bit addresses are used. + * + * Disable VLAN offload, since some cards seem to have it + * enabled by default. */ cpcr = readw ( rtl->regs + RTL_CPCR ); cpcr |= ( RTL_CPCR_MULRW | RTL_CPCR_CPRX | RTL_CPCR_CPTX ); if ( sizeof ( physaddr_t ) > sizeof ( uint32_t ) ) cpcr |= RTL_CPCR_DAC; + cpcr &= ~RTL_CPCR_VLAN; writew ( cpcr, rtl->regs + RTL_CPCR ); check_cpcr = readw ( rtl->regs + RTL_CPCR ); diff --git a/src/drivers/net/realtek.h b/src/drivers/net/realtek.h index d4642fd..d50e349 100644 --- a/src/drivers/net/realtek.h +++ b/src/drivers/net/realtek.h @@ -228,8 +228,9 @@ enum realtek_legacy_status { /** C+ Command Register (word) */ #define RTL_CPCR 0xe0 -#define RTL_CPCR_DAC 0x0010 /**< PCI Dual Address Cycle Enable */ -#define RTL_CPCR_MULRW 0x0008 /**< PCI Multiple Read/Write Enable */ +#define RTL_CPCR_VLAN 0x0040 /**< VLAN tag stripping enable */ +#define RTL_CPCR_DAC 0x0010 /**< PCI Dual Address Cycle enable */ +#define RTL_CPCR_MULRW 0x0008 /**< PCI Multiple Read/Write enable */ #define RTL_CPCR_CPRX 0x0002 /**< C+ receive enable */ #define RTL_CPCR_CPTX 0x0001 /**< C+ transmit enable */ |