diff options
| -rw-r--r-- | src/drivers/net/intel.c | 6 | ||||
| -rw-r--r-- | src/drivers/net/intel.h | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/drivers/net/intel.c b/src/drivers/net/intel.c index 8153e095..1fdce1cb 100644 --- a/src/drivers/net/intel.c +++ b/src/drivers/net/intel.c @@ -363,6 +363,7 @@ static void intel_check_link ( struct net_device *netdev ) { static int intel_create_ring ( struct intel_nic *intel, struct intel_ring *ring ) { physaddr_t address; + uint32_t dctl; /* Allocate descriptor ring. Align ring on its own size to * prevent any possible page-crossing errors due to hardware @@ -393,6 +394,11 @@ static int intel_create_ring ( struct intel_nic *intel, writel ( 0, ( intel->regs + ring->reg + INTEL_xDH ) ); writel ( 0, ( intel->regs + ring->reg + INTEL_xDT ) ); + /* Enable ring */ + dctl = readl ( intel->regs + ring->reg + INTEL_xDCTL ); + dctl |= INTEL_xDCTL_ENABLE; + writel ( dctl, intel->regs + ring->reg + INTEL_xDCTL ); + DBGC ( intel, "INTEL %p ring %05x is at [%08llx,%08llx)\n", intel, ring->reg, ( ( unsigned long long ) address ), ( ( unsigned long long ) address + ring->len ) ); diff --git a/src/drivers/net/intel.h b/src/drivers/net/intel.h index 6f941d17..b38a7139 100644 --- a/src/drivers/net/intel.h +++ b/src/drivers/net/intel.h @@ -170,6 +170,10 @@ enum intel_descriptor_status { /** Receive/Transmit Descriptor Tail (offset) */ #define INTEL_xDT 0x18 +/** Receive/Transmit Descriptor Control (offset) */ +#define INTEL_xDCTL 0x28 +#define INTEL_xDCTL_ENABLE 0x02000000UL /**< Queue enable */ + /** Receive Descriptor Head */ #define INTEL_RDH ( INTEL_RD + INTEL_xDH ) |