diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeon_ep/octep_tx.h')
-rw-r--r-- | drivers/net/ethernet/marvell/octeon_ep/octep_tx.h | 99 |
1 files changed, 57 insertions, 42 deletions
diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_tx.h b/drivers/net/ethernet/marvell/octeon_ep/octep_tx.h index 86c98b13fc44..875a2c34091f 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_tx.h +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_tx.h @@ -36,6 +36,7 @@ struct octep_tx_sglist_desc { u16 len[4]; dma_addr_t dma_ptr[4]; }; + static_assert(sizeof(struct octep_tx_sglist_desc) == 40); /* Each Scatter/Gather entry sent to hardwar hold four pointers. @@ -60,6 +61,18 @@ struct octep_tx_buffer { /* Hardware interface Tx statistics */ struct octep_iface_tx_stats { + /* Total frames sent on the interface */ + u64 pkts; + + /* Total octets sent on the interface */ + u64 octs; + + /* Packets sent to a broadcast DMAC */ + u64 bcst; + + /* Packets sent to the multicast DMAC */ + u64 mcst; + /* Packets dropped due to excessive collisions */ u64 xscol; @@ -76,12 +89,6 @@ struct octep_iface_tx_stats { */ u64 scol; - /* Total octets sent on the interface */ - u64 octs; - - /* Total frames sent on the interface */ - u64 pkts; - /* Packets sent with an octet count < 64 */ u64 hist_lt64; @@ -106,12 +113,6 @@ struct octep_iface_tx_stats { /* Packets sent with an octet count of > 1518 */ u64 hist_gt1518; - /* Packets sent to a broadcast DMAC */ - u64 bcst; - - /* Packets sent to the multicast DMAC */ - u64 mcst; - /* Packets sent that experienced a transmit underflow and were * truncated */ @@ -172,9 +173,6 @@ struct octep_iq { /* Statistics for this input queue. */ struct octep_iq_stats stats; - /* This field keeps track of the instructions pending in this queue. */ - atomic_t instr_pending; - /* Pointer to the Virtual Base addr of the input ring. */ struct octep_tx_desc_hw *desc_ring; @@ -240,32 +238,53 @@ struct octep_instr_hdr { /* Reserved3 */ u64 reserved3:1; }; + static_assert(sizeof(struct octep_instr_hdr) == 8); -/* Hardware Tx completion response header */ -struct octep_instr_resp_hdr { - /* Request ID */ - u64 rid:16; +/* Tx offload flags */ +#define OCTEP_TX_OFFLOAD_VLAN_INSERT BIT(0) +#define OCTEP_TX_OFFLOAD_IPV4_CKSUM BIT(1) +#define OCTEP_TX_OFFLOAD_UDP_CKSUM BIT(2) +#define OCTEP_TX_OFFLOAD_TCP_CKSUM BIT(3) +#define OCTEP_TX_OFFLOAD_SCTP_CKSUM BIT(4) +#define OCTEP_TX_OFFLOAD_TCP_TSO BIT(5) +#define OCTEP_TX_OFFLOAD_UDP_TSO BIT(6) + +#define OCTEP_TX_OFFLOAD_CKSUM (OCTEP_TX_OFFLOAD_IPV4_CKSUM | \ + OCTEP_TX_OFFLOAD_UDP_CKSUM | \ + OCTEP_TX_OFFLOAD_TCP_CKSUM) + +#define OCTEP_TX_OFFLOAD_TSO (OCTEP_TX_OFFLOAD_TCP_TSO | \ + OCTEP_TX_OFFLOAD_UDP_TSO) + +#define OCTEP_TX_IP_CSUM(flags) ((flags) & \ + (OCTEP_TX_OFFLOAD_IPV4_CKSUM | \ + OCTEP_TX_OFFLOAD_TCP_CKSUM | \ + OCTEP_TX_OFFLOAD_UDP_CKSUM)) - /* PCIe port to use for response */ - u64 pcie_port:3; +#define OCTEP_TX_TSO(flags) ((flags) & \ + (OCTEP_TX_OFFLOAD_TCP_TSO | \ + OCTEP_TX_OFFLOAD_UDP_TSO)) - /* Scatter indicator 1=scatter */ - u64 scatter:1; +struct tx_mdata { - /* Size of Expected result OR no. of entries in scatter list */ - u64 rlenssz:14; + /* offload flags */ + u16 ol_flags; - /* Desired destination port for result */ - u64 dport:6; + /* gso size */ + u16 gso_size; - /* Opcode Specific parameters */ - u64 param:8; + /* gso flags */ + u16 gso_segs; - /* Opcode for the return packet */ - u64 opcode:16; + /* reserved */ + u16 rsvd1; + + /* reserved */ + u64 rsvd2; }; -static_assert(sizeof(struct octep_instr_hdr) == 8); + +static_assert(sizeof(struct tx_mdata) == 16); /* 64-byte Tx instruction format. * Format of instruction for a 64-byte mode input queue. @@ -284,18 +303,14 @@ struct octep_tx_desc_hw { struct octep_instr_hdr ih; u64 ih64; }; - - /* Pointer where the response for a RAW mode packet will be written - * by Octeon. - */ - u64 rptr; - - /* Input Instruction Response Header. */ - struct octep_instr_resp_hdr irh; - + union { + u64 txm64[2]; + struct tx_mdata txm; + }; /* Additional headers available in a 64-byte instruction. */ - u64 exhdr[4]; + u64 exthdr[4]; }; + static_assert(sizeof(struct octep_tx_desc_hw) == 64); #define OCTEP_IQ_DESC_SIZE (sizeof(struct octep_tx_desc_hw)) |