diff options
Diffstat (limited to 'drivers/net/ethernet/wangxun/libwx/wx_type.h')
| -rw-r--r-- | drivers/net/ethernet/wangxun/libwx/wx_type.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_type.h b/drivers/net/ethernet/wangxun/libwx/wx_type.h index 1f6625f151ac..6d7e36239e22 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_type.h +++ b/drivers/net/ethernet/wangxun/libwx/wx_type.h @@ -432,6 +432,71 @@ enum wx_reset_type { WX_GLOBAL_RESET }; +/* Transmit Descriptor */ +union wx_tx_desc { + struct { + __le64 buffer_addr; /* Address of descriptor's data buf */ + __le32 cmd_type_len; + __le32 olinfo_status; + } read; + struct { + __le64 rsvd; /* Reserved */ + __le32 nxtseq_seed; + __le32 status; + } wb; +}; + +/* Receive Descriptor */ +union wx_rx_desc { + struct { + __le64 pkt_addr; /* Packet buffer address */ + __le64 hdr_addr; /* Header buffer address */ + } read; + struct { + struct { + union { + __le32 data; + struct { + __le16 pkt_info; /* RSS, Pkt type */ + __le16 hdr_info; /* Splithdr, hdrlen */ + } hs_rss; + } lo_dword; + union { + __le32 rss; /* RSS Hash */ + struct { + __le16 ip_id; /* IP id */ + __le16 csum; /* Packet Checksum */ + } csum_ip; + } hi_dword; + } lower; + struct { + __le32 status_error; /* ext status/error */ + __le16 length; /* Packet length */ + __le16 vlan; /* VLAN tag */ + } upper; + } wb; /* writeback */ +}; + +/* wrapper around a pointer to a socket buffer, + * so a DMA handle can be stored along with the buffer + */ +struct wx_tx_buffer { + union wx_tx_desc *next_to_watch; + struct sk_buff *skb; + unsigned int bytecount; + unsigned short gso_segs; + DEFINE_DMA_UNMAP_ADDR(dma); + DEFINE_DMA_UNMAP_LEN(len); +}; + +struct wx_rx_buffer { + struct sk_buff *skb; + dma_addr_t dma; + dma_addr_t page_dma; + struct page *page; + unsigned int page_offset; +}; + /* iterator for handling rings in ring container */ #define wx_for_each_ring(posm, headm) \ for (posm = (headm).ring; posm; posm = posm->next) @@ -447,7 +512,15 @@ struct wx_ring { struct wx_q_vector *q_vector; /* backpointer to host q_vector */ struct net_device *netdev; /* netdev ring belongs to */ struct device *dev; /* device for DMA mapping */ + struct page_pool *page_pool; + void *desc; /* descriptor ring memory */ + union { + struct wx_tx_buffer *tx_buffer_info; + struct wx_rx_buffer *rx_buffer_info; + }; u8 __iomem *tail; + dma_addr_t dma; /* phys. address of descriptor ring */ + unsigned int size; /* length in bytes */ u16 count; /* amount of descriptors */ @@ -462,6 +535,7 @@ struct wx_ring { struct wx_q_vector { struct wx *wx; int cpu; /* CPU for DCA */ + int numa_node; u16 v_idx; /* index of q_vector within array, also used for * finding the bit in EICR and friends that * represents the vector for this ring |