diff options
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe.h')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h index d3aa05501ee8..1480c9d41821 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe.h @@ -143,6 +143,7 @@ #define XGBE_RX_MIN_BUF_SIZE (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN) #define XGBE_RX_BUF_ALIGN 64 #define XGBE_SKB_ALLOC_SIZE 256 +#define XGBE_SPH_HDSMS_SIZE 2 /* Keep in sync with SKB_ALLOC_SIZE */ #define XGBE_MAX_DMA_CHANNELS 16 #define XGBE_MAX_QUEUES 16 @@ -250,6 +251,15 @@ struct xgbe_page_alloc { dma_addr_t pages_dma; }; +/* Ring entry buffer data */ +struct xgbe_buffer_data { + struct xgbe_page_alloc pa; + struct xgbe_page_alloc pa_unmap; + + dma_addr_t dma; + unsigned int dma_len; +}; + /* Structure used to hold information related to the descriptor * and the packet associated with the descriptor (always use * use the XGBE_GET_DESC_DATA macro to access this data from the ring) @@ -263,12 +273,10 @@ struct xgbe_ring_data { unsigned int skb_dma_len; /* Length of SKB DMA area */ unsigned int tso_header; /* TSO header indicator */ - struct xgbe_page_alloc rx_pa; /* Rx buffer page allocation */ - struct xgbe_page_alloc rx_unmap; - - dma_addr_t rx_dma; /* DMA address of Rx buffer */ - unsigned int rx_dma_len; /* Length of the Rx DMA buffer */ + struct xgbe_buffer_data rx_hdr; /* Header locations */ + struct xgbe_buffer_data rx_buf; /* Payload locations */ + unsigned short hdr_len; /* Length of received header */ unsigned short len; /* Length of received Rx packet */ unsigned int interrupt; /* Interrupt indicator */ @@ -308,7 +316,8 @@ struct xgbe_ring { struct xgbe_ring_data *rdata; /* Page allocation for RX buffers */ - struct xgbe_page_alloc rx_pa; + struct xgbe_page_alloc rx_hdr_pa; + struct xgbe_page_alloc rx_buf_pa; /* Ring index values * cur - Tx: index of descriptor to be used for current transfer |