diff options
| author |   Lendacky, Thomas <Thomas.Lendacky@amd.com> | 2014-11-04 16:06:56 -0600 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-11-05 21:50:12 -0500 |
| commit | 9227dc5e579b6b2ef58ad0d3d0d23ddac77846ef (patch) | |
| tree | cef535601eda5a1c79f6d6d96bf2b752993d72bb /drivers/net/ethernet/amd/xgbe/xgbe.h | |
| parent | amd-xgbe: Implement split header receive support (diff) | |
| download | linux-dev-9227dc5e579b6b2ef58ad0d3d0d23ddac77846ef.tar.xz linux-dev-9227dc5e579b6b2ef58ad0d3d0d23ddac77846ef.zip | |
amd-xgbe: Add support for per DMA channel interrupts
This patch provides support for interrupts that are generated by the
Tx/Rx DMA channel pairs of the device. This allows for Tx and Rx
processing to run across multiple processsors.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe.h')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h index 1480c9d41821..55c935f4884a 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe.h @@ -173,6 +173,7 @@ /* Device-tree clock names */ #define XGBE_DMA_CLOCK "dma_clk" #define XGBE_PTP_CLOCK "ptp_clk" +#define XGBE_DMA_IRQS "amd,per-channel-interrupt" /* Timestamp support - values based on 50MHz PTP clock * 50MHz => 20 nsec @@ -359,6 +360,12 @@ struct xgbe_channel { unsigned int queue_index; void __iomem *dma_regs; + /* Per channel interrupt irq number */ + int dma_irq; + + /* Netdev related settings */ + struct napi_struct napi; + unsigned int saved_ier; unsigned int tx_timer_active; @@ -609,7 +616,8 @@ struct xgbe_prv_data { /* XPCS indirect addressing mutex */ struct mutex xpcs_mutex; - int irq_number; + int dev_irq; + unsigned int per_channel_irq; struct xgbe_hw_if hw_if; struct xgbe_desc_if desc_if; |