243 lines
6.3 KiB
C
243 lines
6.3 KiB
C
#ifndef __MYRI10GE_MCP_H__
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#define __MYRI10GE_MCP_H__
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#define MXGEFW_VERSION_MAJOR 1
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#define MXGEFW_VERSION_MINOR 4
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/* 8 Bytes */
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struct mcp_dma_addr {
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__be32 high;
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__be32 low;
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};
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/* 4 Bytes */
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struct mcp_slot {
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__sum16 checksum;
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__be16 length;
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};
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/* 64 Bytes */
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struct mcp_cmd {
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__be32 cmd;
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__be32 data0; /* will be low portion if data > 32 bits */
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/* 8 */
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__be32 data1; /* will be high portion if data > 32 bits */
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__be32 data2; /* currently unused.. */
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/* 16 */
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struct mcp_dma_addr response_addr;
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/* 24 */
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u8 pad[40];
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};
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/* 8 Bytes */
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struct mcp_cmd_response {
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__be32 data;
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__be32 result;
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};
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/*
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* flags used in mcp_kreq_ether_send_t:
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*
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* The SMALL flag is only needed in the first segment. It is raised
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* for packets that are total less or equal 512 bytes.
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*
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* The CKSUM flag must be set in all segments.
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*
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* The PADDED flags is set if the packet needs to be padded, and it
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* must be set for all segments.
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*
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* The MXGEFW_FLAGS_ALIGN_ODD must be set if the cumulative
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* length of all previous segments was odd.
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*/
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#define MXGEFW_FLAGS_SMALL 0x1
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#define MXGEFW_FLAGS_TSO_HDR 0x1
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#define MXGEFW_FLAGS_FIRST 0x2
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#define MXGEFW_FLAGS_ALIGN_ODD 0x4
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#define MXGEFW_FLAGS_CKSUM 0x8
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#define MXGEFW_FLAGS_TSO_LAST 0x8
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#define MXGEFW_FLAGS_NO_TSO 0x10
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#define MXGEFW_FLAGS_TSO_CHOP 0x10
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#define MXGEFW_FLAGS_TSO_PLD 0x20
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#define MXGEFW_SEND_SMALL_SIZE 1520
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#define MXGEFW_MAX_MTU 9400
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union mcp_pso_or_cumlen {
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u16 pseudo_hdr_offset;
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u16 cum_len;
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};
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#define MXGEFW_MAX_SEND_DESC 12
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#define MXGEFW_PAD 2
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/* 16 Bytes */
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struct mcp_kreq_ether_send {
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__be32 addr_high;
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__be32 addr_low;
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__be16 pseudo_hdr_offset;
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__be16 length;
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u8 pad;
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u8 rdma_count;
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u8 cksum_offset; /* where to start computing cksum */
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u8 flags; /* as defined above */
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};
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/* 8 Bytes */
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struct mcp_kreq_ether_recv {
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__be32 addr_high;
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__be32 addr_low;
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};
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/* Commands */
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#define MXGEFW_BOOT_HANDOFF 0xfc0000
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#define MXGEFW_BOOT_DUMMY_RDMA 0xfc01c0
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#define MXGEFW_ETH_CMD 0xf80000
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#define MXGEFW_ETH_SEND_4 0x200000
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#define MXGEFW_ETH_SEND_1 0x240000
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#define MXGEFW_ETH_SEND_2 0x280000
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#define MXGEFW_ETH_SEND_3 0x2c0000
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#define MXGEFW_ETH_RECV_SMALL 0x300000
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#define MXGEFW_ETH_RECV_BIG 0x340000
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#define MXGEFW_ETH_SEND(n) (0x200000 + (((n) & 0x03) * 0x40000))
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#define MXGEFW_ETH_SEND_OFFSET(n) (MXGEFW_ETH_SEND(n) - MXGEFW_ETH_SEND_4)
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enum myri10ge_mcp_cmd_type {
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MXGEFW_CMD_NONE = 0,
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/* Reset the mcp, it is left in a safe state, waiting
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* for the driver to set all its parameters */
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MXGEFW_CMD_RESET,
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/* get the version number of the current firmware..
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* (may be available in the eeprom strings..? */
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MXGEFW_GET_MCP_VERSION,
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/* Parameters which must be set by the driver before it can
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* issue MXGEFW_CMD_ETHERNET_UP. They persist until the next
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* MXGEFW_CMD_RESET is issued */
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MXGEFW_CMD_SET_INTRQ_DMA,
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MXGEFW_CMD_SET_BIG_BUFFER_SIZE, /* in bytes, power of 2 */
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MXGEFW_CMD_SET_SMALL_BUFFER_SIZE, /* in bytes */
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/* Parameters which refer to lanai SRAM addresses where the
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* driver must issue PIO writes for various things */
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MXGEFW_CMD_GET_SEND_OFFSET,
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MXGEFW_CMD_GET_SMALL_RX_OFFSET,
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MXGEFW_CMD_GET_BIG_RX_OFFSET,
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MXGEFW_CMD_GET_IRQ_ACK_OFFSET,
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MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET,
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/* Parameters which refer to rings stored on the MCP,
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* and whose size is controlled by the mcp */
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MXGEFW_CMD_GET_SEND_RING_SIZE, /* in bytes */
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MXGEFW_CMD_GET_RX_RING_SIZE, /* in bytes */
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/* Parameters which refer to rings stored in the host,
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* and whose size is controlled by the host. Note that
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* all must be physically contiguous and must contain
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* a power of 2 number of entries. */
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MXGEFW_CMD_SET_INTRQ_SIZE, /* in bytes */
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/* command to bring ethernet interface up. Above parameters
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* (plus mtu & mac address) must have been exchanged prior
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* to issuing this command */
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MXGEFW_CMD_ETHERNET_UP,
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/* command to bring ethernet interface down. No further sends
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* or receives may be processed until an MXGEFW_CMD_ETHERNET_UP
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* is issued, and all interrupt queues must be flushed prior
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* to ack'ing this command */
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MXGEFW_CMD_ETHERNET_DOWN,
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/* commands the driver may issue live, without resetting
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* the nic. Note that increasing the mtu "live" should
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* only be done if the driver has already supplied buffers
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* sufficiently large to handle the new mtu. Decreasing
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* the mtu live is safe */
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MXGEFW_CMD_SET_MTU,
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MXGEFW_CMD_GET_INTR_COAL_DELAY_OFFSET, /* in microseconds */
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MXGEFW_CMD_SET_STATS_INTERVAL, /* in microseconds */
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MXGEFW_CMD_SET_STATS_DMA_OBSOLETE, /* replaced by SET_STATS_DMA_V2 */
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MXGEFW_ENABLE_PROMISC,
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MXGEFW_DISABLE_PROMISC,
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MXGEFW_SET_MAC_ADDRESS,
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MXGEFW_ENABLE_FLOW_CONTROL,
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MXGEFW_DISABLE_FLOW_CONTROL,
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/* do a DMA test
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* data0,data1 = DMA address
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* data2 = RDMA length (MSH), WDMA length (LSH)
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* command return data = repetitions (MSH), 0.5-ms ticks (LSH)
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*/
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MXGEFW_DMA_TEST,
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MXGEFW_ENABLE_ALLMULTI,
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MXGEFW_DISABLE_ALLMULTI,
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/* returns MXGEFW_CMD_ERROR_MULTICAST
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* if there is no room in the cache
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* data0,MSH(data1) = multicast group address */
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MXGEFW_JOIN_MULTICAST_GROUP,
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/* returns MXGEFW_CMD_ERROR_MULTICAST
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* if the address is not in the cache,
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* or is equal to FF-FF-FF-FF-FF-FF
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* data0,MSH(data1) = multicast group address */
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MXGEFW_LEAVE_MULTICAST_GROUP,
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MXGEFW_LEAVE_ALL_MULTICAST_GROUPS,
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MXGEFW_CMD_SET_STATS_DMA_V2,
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/* data0, data1 = bus addr,
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* data2 = sizeof(struct mcp_irq_data) from driver point of view, allows
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* adding new stuff to mcp_irq_data without changing the ABI */
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};
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enum myri10ge_mcp_cmd_status {
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MXGEFW_CMD_OK = 0,
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MXGEFW_CMD_UNKNOWN,
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MXGEFW_CMD_ERROR_RANGE,
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MXGEFW_CMD_ERROR_BUSY,
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MXGEFW_CMD_ERROR_EMPTY,
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MXGEFW_CMD_ERROR_CLOSED,
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MXGEFW_CMD_ERROR_HASH_ERROR,
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MXGEFW_CMD_ERROR_BAD_PORT,
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MXGEFW_CMD_ERROR_RESOURCES,
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MXGEFW_CMD_ERROR_MULTICAST
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};
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#define MXGEFW_OLD_IRQ_DATA_LEN 40
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struct mcp_irq_data {
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/* add new counters at the beginning */
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__be32 future_use[5];
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__be32 dropped_multicast_filtered;
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/* 40 Bytes */
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__be32 send_done_count;
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__be32 link_up;
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__be32 dropped_link_overflow;
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__be32 dropped_link_error_or_filtered;
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__be32 dropped_runt;
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__be32 dropped_overrun;
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__be32 dropped_no_small_buffer;
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__be32 dropped_no_big_buffer;
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__be32 rdma_tags_available;
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u8 tx_stopped;
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u8 link_down;
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u8 stats_updated;
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u8 valid;
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};
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#endif /* __MYRI10GE_MCP_H__ */
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