#ifndef __MYRI10GE_MCP_H__
#define __MYRI10GE_MCP_H__
#define MXGEFW_VERSION_MAJOR 1
#define MXGEFW_VERSION_MINOR 4
/* 8 Bytes */
struct mcp_dma_addr {
u32 high;
u32 low;
};
/* 4 Bytes */
struct mcp_slot {
u16 checksum;
u16 length;
};
/* 64 Bytes */
struct mcp_cmd {
u32 cmd;
u32 data0; /* will be low portion if data > 32 bits */
/* 8 */
u32 data1; /* will be high portion if data > 32 bits */
u32 data2; /* currently unused.. */
/* 16 */
struct mcp_dma_addr response_addr;
/* 24 */
u8 pad[40];
};
/* 8 Bytes */
struct mcp_cmd_response {
u32 data;
u32 result;
};
/*
* flags used in mcp_kreq_ether_send_t:
*
* The SMALL flag is only needed in the first segment. It is raised
* for packets that are total less or equal 512 bytes.
*
* The CKSUM flag must be set in all segments.
*
* The PADDED flags is set if the packet needs to be padded, and it
* must be set for all segments.
*
* The MXGEFW_FLAGS_ALIGN_ODD must be set if the cumulative
* length of all previous segments was odd.
*/
#define MXGEFW_FLAGS_SMALL 0x1
#define MXGEFW_FLAGS_TSO_HDR 0x1
#define MXGEFW_FLAGS_FIRST 0x2
#define MXGEFW_FLAGS_ALIGN_ODD 0x4
#define MXGEFW_FLAGS_CKSUM 0x8
#define MXGEFW_FLAGS_TSO_LAST 0x8
#define MXGEFW_FLAGS_NO_TSO 0x10
#define MXGEFW_FLAGS_TSO_CHOP 0x10
#define MXGEFW_FLAGS_TSO_PLD 0x20
#define MXGEFW_SEND_SMALL_SIZE 1520
#define MXGEFW_MAX_MTU 9400
union mcp_pso_or_cumlen {
u16 pseudo_hdr_offset;
u16 cum_len;
};
#define MXGEFW_MAX_SEND_DESC 12
#define MXGEFW_PAD 2
/* 16 Bytes */
struct mcp_kreq_ether_send {
u32 addr_high;
u32 addr_low;
u16 pseudo_hdr_offset;
u16 length;
u8 pad;
u8 rdma_count;
u8 cksum_offset; /* where to start computing cksum */
u8 flags; /* as defined above */
};
/* 8 Bytes */
struct mcp_kreq_ether_recv {
u32 addr_high;
u32 addr_low;
};
/* Commands */
#define MXGEFW_CMD_OFFSET 0xf80000
enum myri10ge_mcp_cmd_type {
MXGEFW_CMD_NONE = 0,
/* Reset the mcp, it is left in a safe state, waiting
* for the driver to set all its parameters */
MXGEFW_CMD_RESET,
/* get the version number of the current firmware..
* (may be available in the eeprom strings..? */
MXGEFW_GET_MCP_VERSION,
/* Parameters which must be set by the driver before it can
* issue MXGEFW_CMD_ETHERNET_UP. They persist until the next
* MXGEFW_CMD_RESET is issued */
MXGEFW_CMD_SET_INTRQ_DMA,
MXGEFW_CMD_SET_BIG_BUFFER_SIZE, /* in bytes, power of 2 */
MXGEFW_CMD_SET_SMALL_BUFFER_SIZE, /* in bytes */
/* Parameters which refer to lanai SRAM addresses where the
* driver must issue PIO writes for various things */
MXGEFW_CMD_GET_SEND_OFFSET,
MXGEFW_CMD_GET_SMALL_RX_OFFSET,
MXGEFW_CMD_GET_BIG_RX_OFFSET,
MXGEFW_CMD_GET_IRQ_ACK_OFFSET,
MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET,
/* Parameters which refer to rings stored on the MCP,
* and whose size is controlled by the mcp */
MXGEFW_CMD_GET_SEND_RING_SIZE, /* in bytes */
MXGEFW_CMD_GET_RX_RING_SIZE, /* in bytes */
/* Parameters which refer to rings stored in the host,
* and whose size is controlled by the host. Note that
* all must be physically contiguous and must contain
* a power of 2 number of entries. */
MXGEFW_CMD_SET_INTRQ_SIZE, /* in bytes */
/* command to bring ethernet interface up. Above parameters
* (plus mtu & mac address) must have been exchanged prior
* to issuing this command */
MXGEFW_CMD_ETHERNET_UP,
/* command to bring ethernet interface down. No further sends
* or receives may be processed until an MXGEFW_CMD_ETHERNET_UP
* is issued, and all interrupt queues must be flushed prior
* to ack'ing this command */
MXGEFW_CMD_ETHERNET_DOWN,
/* commands the driver may issue live, without resetting
* the nic. Note that increasing the mtu "live" should
* only be done if the driver has already supplied buffers
* sufficiently large to handle the new mtu. Decreasing
* the mtu live is safe */
MXGEFW_CMD_SET_MTU,
MXGEFW_CMD_GET_INTR_COAL_DELAY_OFFSET, /* in microseconds */
MXGEFW_CMD_SET_STATS_INTERVAL, /* in microseconds */
MXGEFW_CMD_SET_STATS_DMA,
MXGEFW_ENABLE_PROMISC,
MXGEFW_DISABLE_PROMISC,
MXGEFW_SET_MAC_ADDRESS,
MXGEFW_ENABLE_FLOW_CONTROL,
MXGEFW_DISABLE_FLOW_CONTROL,
/* do a DMA test
* data0,data1 = DMA address
* data2 = RDMA length (MSH), WDMA length (LSH)
* command return data = repetitions (MSH), 0.5-ms ticks (LSH)
*/
MXGEFW_DMA_TEST
};
enum myri10ge_mcp_cmd_status {
MXGEFW_CMD_OK = 0,
MXGEFW_CMD_UNKNOWN,
MXGEFW_CMD_ERROR_RANGE,
MXGEFW_CMD_ERROR_BUSY,
MXGEFW_CMD_ERROR_EMPTY,
MXGEFW_CMD_ERROR_CLOSED,
MXGEFW_CMD_ERROR_HASH_ERROR,
MXGEFW_CMD_ERROR_BAD_PORT,
MXGEFW_CMD_ERROR_RESOURCES
};
/* 40 Bytes */
struct mcp_irq_data {
u32 send_done_count;
u32 link_up;
u32 dropped_link_overflow;
u32 dropped_link_error_or_filtered;
u32 dropped_runt;
u32 dropped_overrun;
u32 dropped_no_small_buffer;
u32 dropped_no_big_buffer;
u32 rdma_tags_available;
u8 tx_stopped;
u8 link_down;
u8 stats_updated;
u8 valid;
};
#endif /* __MYRI10GE_MCP_H__ */
