diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igb/igb.h')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb.h | 54 |
1 files changed, 32 insertions, 22 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index b72593785600..77793a9debcc 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -47,6 +47,7 @@ struct igb_adapter; /* TX/RX descriptor defines */ #define IGB_DEFAULT_TXD 256 +#define IGB_DEFAULT_TX_WORK 128 #define IGB_MIN_TXD 80 #define IGB_MAX_TXD 4096 @@ -129,29 +130,33 @@ struct vf_data_storage { #define IGB_MNG_VLAN_NONE -1 +#define IGB_TX_FLAGS_CSUM 0x00000001 +#define IGB_TX_FLAGS_VLAN 0x00000002 +#define IGB_TX_FLAGS_TSO 0x00000004 +#define IGB_TX_FLAGS_IPV4 0x00000008 +#define IGB_TX_FLAGS_TSTAMP 0x00000010 +#define IGB_TX_FLAGS_VLAN_MASK 0xffff0000 +#define IGB_TX_FLAGS_VLAN_SHIFT 16 + /* wrapper around a pointer to a socket buffer, * so a DMA handle can be stored along with the buffer */ -struct igb_buffer { +struct igb_tx_buffer { + union e1000_adv_tx_desc *next_to_watch; + unsigned long time_stamp; struct sk_buff *skb; + unsigned int bytecount; + u16 gso_segs; dma_addr_t dma; - union { - /* TX */ - struct { - unsigned long time_stamp; - u16 length; - u16 next_to_watch; - unsigned int bytecount; - u16 gso_segs; - u8 tx_flags; - u8 mapped_as_page; - }; - /* RX */ - struct { - struct page *page; - dma_addr_t page_dma; - u16 page_offset; - }; - }; + u32 length; + u32 tx_flags; +}; + +struct igb_rx_buffer { + struct sk_buff *skb; + dma_addr_t dma; + struct page *page; + dma_addr_t page_dma; + u32 page_offset; }; struct igb_tx_queue_stats { @@ -177,6 +182,7 @@ struct igb_q_vector { u32 eims_value; u16 cpu; + u16 tx_work_limit; u16 itr_val; u8 set_itr; @@ -189,7 +195,10 @@ struct igb_ring { struct igb_q_vector *q_vector; /* backlink to q_vector */ struct net_device *netdev; /* back pointer to net_device */ struct device *dev; /* device pointer for dma mapping */ - struct igb_buffer *buffer_info; /* array of buffer info structs */ + union { /* array of buffer info structs */ + struct igb_tx_buffer *tx_buffer_info; + struct igb_rx_buffer *rx_buffer_info; + }; void *desc; /* descriptor ring memory */ unsigned long flags; /* ring specific flags */ void __iomem *tail; /* pointer to ring tail register */ @@ -229,7 +238,7 @@ struct igb_ring { #define IGB_RING_FLAG_TX_CTX_IDX 0x00000001 /* HW requires context index */ -#define IGB_ADVTXD_DCMD (E1000_TXD_CMD_EOP | E1000_TXD_CMD_RS) +#define IGB_TXD_DCMD (E1000_ADVTXD_DCMD_EOP | E1000_ADVTXD_DCMD_RS) #define IGB_RX_DESC(R, i) \ (&(((union e1000_adv_rx_desc *)((R)->desc))[i])) @@ -266,6 +275,7 @@ struct igb_adapter { u16 rx_itr; /* TX */ + u16 tx_work_limit; u32 tx_timeout_count; int num_tx_queues; struct igb_ring *tx_ring[16]; @@ -374,7 +384,7 @@ extern void igb_setup_tctl(struct igb_adapter *); extern void igb_setup_rctl(struct igb_adapter *); extern netdev_tx_t igb_xmit_frame_ring(struct sk_buff *, struct igb_ring *); extern void igb_unmap_and_free_tx_resource(struct igb_ring *, - struct igb_buffer *); + struct igb_tx_buffer *); extern void igb_alloc_rx_buffers(struct igb_ring *, u16); extern void igb_update_stats(struct igb_adapter *, struct rtnl_link_stats64 *); extern bool igb_has_link(struct igb_adapter *adapter); |