#ifndef __MYRI10GE_MCP_H__
#define __MYRI10GE_MCP_H__
#define MXGEFW_VERSION_MAJOR 1
#define MXGEFW_VERSION_MINOR 4
/* 8 Bytes */
struct mcp_dma_addr {
__be32 high;
__be32 low;
};
/* 4 Bytes */
struct mcp_slot {
__sum16 checksum;
__be16 length;
};
/* 64 Bytes */
struct mcp_cmd {
__be32 cmd;
__be32 data0; /* will be low portion if data > 32 bits */
/* 8 */
__be32 data1; /* will be high portion if data > 32 bits */
__be32 data2; /* currently unused.. */
/* 16 */
struct mcp_dma_addr response_addr;
/* 24 */
u8 pad[40];
};
/* 8 Bytes */
struct mcp_cmd_response {
__be32 data;
__be32 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 {
__be32 addr_high;
__be32 addr_low;
__be16 pseudo_hdr_offset;
__be16 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 {
__be32 addr_high;
__be32 addr_low;
};
/* Commands */
#define MXGEFW_BOOT_HANDOFF 0xfc0000
#define MXGEFW_BOOT_DUMMY_RDMA 0xfc01c0
#define MXGEFW_ETH_CMD 0xf80000
#define MXGEFW_ETH_SEND_4 0x200000
#define MXGEFW_ETH_SEND_1 0x240000
#define MXGEFW_ETH_SEND_2 0x280000
#define MXGEFW_ETH_SEND_3 0x2c0000
#define MXGEFW_ETH_RECV_SMALL 0x300000
#define MXGEFW_ETH_RECV_BIG 0x340000
#define MXGEFW_ETH_SEND(n) (0x200000 + (((n) & 0x03) * 0x40000))
#define MXGEFW_ETH_SEND_OFFSET(n) (MXGEFW_ETH_SEND(n) - MXGEFW_ETH_SEND_4)
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 */
#define MXGEFW_CMD_SET_INTRQ_SIZE_FLAG_NO_STRICT_SIZE_CHECK (1 << 31)
/* 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_OBSOLETE, /* replaced by SET_STATS_DMA_V2 */
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,
MXGEFW_ENABLE_ALLMULTI,
MXGEFW_DISABLE_ALLMULTI,
/* returns MXGEFW_CMD_ERROR_MULTICAST
* if there is no room in the cache
* data0,MSH(data1) = multicast group address */
MXGEFW_JOIN_MULTICAST_GROUP,
/* returns MXGEFW_CMD_ERROR_MULTICAST
* if the address is not in the cache,
* or is equal to FF-FF-FF-FF-FF-FF
* data0,MSH(data1) = multicast group address */
MXGEFW_LEAVE_MULTICAST_GROUP,
MXGEFW_LEAVE_ALL_MULTICAST_GROUPS,
MXGEFW_CMD_SET_STATS_DMA_V2,
/* data0, data1 = bus addr,
* data2 = sizeof(struct mcp_irq_data) from driver point of view, allows
* adding new stuff to mcp_irq_data without changing the ABI */
MXGEFW_CMD_UNALIGNED_TEST,
/* same than DMA_TEST (same args) but abort with UNALIGNED on unaligned
* chipset */
MXGEFW_CMD_UNALIGNED_STATUS,
/* return data = boolean, true if the chipset is known to be unaligned */
MXGEFW_CMD_ALWAYS_USE_N_BIG_BUFFERS,
/* data0 = number of big buffers to use. It must be 0 or a power of 2.
* 0 indicates that the NIC consumes as many buffers as they are required
* for packet. This is the default behavior.
* A power of 2 number indicates that the NIC always uses the specified
* number of buffers for each big receive packet.
* It is up to the driver to ensure that this value is big enough for
* the NIC to be able to receive maximum-sized packets.
*/
MXGEFW_CMD_GET_MAX_RSS_QUEUES,
MXGEFW_CMD_ENABLE_RSS_QUEUES,
/* data0 = number of slices n (0, 1, ..., n-1) to enable
* data1 = interrupt mode.
* 0=share one INTx/MSI, 1=use one MSI-X per queue.
* If all queues share one interrupt, the driver must have set
* RSS_SHARED_INTERRUPT_DMA before enabling queues.
*/
#define MXGEFW_SLICE_INTR_MODE_SHARED 0
#define MXGEFW_SLICE_INTR_MODE_ONE_PER_SLICE 1
MXGEFW_CMD_GET_RSS_SHARED_INTERRUPT_MASK_OFFSET,
MXGEFW_CMD_SET_RSS_SHARED_INTERRUPT_DMA,
/* data0, data1 = bus address lsw, msw */
MXGEFW_CMD_GET_RSS_TABLE_OFFSET,
/* get the offset of the indirection table */
MXGEFW_CMD_SET_RSS_TABLE_SIZE,
/* set the size of the indirection table */
MXGEFW_CMD_GET_RSS_KEY_OFFSET,
/* get the offset of the secret key */
MXGEFW_CMD_RSS_KEY_UPDATED,
/* tell nic that the secret key's been updated */
MXGEFW_CMD_SET_RSS_ENABLE,
/* data0 = enable/disable rss
* 0: disable rss. nic does not distribute receive packets.
* 1: enable rss. nic distributes receive packets among queues.
* data1 = hash type
* 1: IPV4 (required by RSS)
* 2: TCP_IPV4 (required by RSS)
* 3: IPV4 | TCP_IPV4 (required by RSS)
* 4: source port
*/
#define MXGEFW_RSS_HASH_TYPE_IPV4 0x1
#define MXGEFW_RSS_HASH_TYPE_TCP_IPV4 0x2
#define MXGEFW_RSS_HASH_TYPE_SRC_PORT 0x4
MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE,
/* Return data = the max. size of the entire headers of a IPv6 TSO packet.
* If the header size of a IPv6 TSO packet is larger than the specified
* value, then the driver must not use TSO.
* This size restriction only applies to IPv6 TSO.
* For IPv4 TSO, the maximum size of the headers is fixed, and the NIC
* always has enough header buffer to store maximum-sized headers.
*/
MXGEFW_CMD_SET_TSO_MODE,
/* data0 = TSO mode.
* 0: Linux/FreeBSD style (NIC default)
* 1: NDIS/NetBSD style
*/
#define MXGEFW_TSO_MODE_LINUX 0
#define MXGEFW_TSO_MODE_NDIS 1
MXGEFW_CMD_MDIO_READ,
/* data0 = dev_addr (PMA/PMD or PCS ...), data1 = register/addr */
MXGEFW_CMD_MDIO_WRITE,
/* data0 = dev_addr, data1 = register/addr, data2 = value */
MXGEFW_CMD_XFP_I2C_READ,
/* Starts to get a fresh copy of one byte or of the whole xfp i2c table, the
* obtained data is cached inside the xaui-xfi chip :
* data0 : "all" flag : 0 => get one byte, 1=> get 256 bytes,
* data1 : if (data0 == 0): index of byte to refresh [ not used otherwise ]
* The operation might take ~1ms for a single byte or ~65ms when refreshing all 256 bytes
* During the i2c operation, MXGEFW_CMD_XFP_I2C_READ or MXGEFW_CMD_XFP_BYTE attempts
* will return MXGEFW_CMD_ERROR_BUSY
*/
MXGEFW_CMD_XFP_BYTE,
/* Return the last obtained copy of a given byte in the xfp i2c table
* (copy cached during the last relevant MXGEFW_CMD_XFP_I2C_READ)
* data0 : index of the desired table entry
* Return data = the byte stored at the requested index in the table
*/
MXGEFW_CMD_GET_VPUMP_OFFSET,
/* Return data = NIC memory offset of mcp_vpump_public_global */
MXGEFW_CMD_RESET_VPUMP,
/* Resets the VPUMP state */
MXGEFW_CMD_SET_RSS_MCP_SLOT_TYPE,
/* data0 = mcp_slot type to use.
* 0 = the default 4B mcp_slot
* 1 = 8B mcp_slot_8
*/
#define MXGEFW_RSS_MCP_SLOT_TYPE_MIN 0
#define MXGEFW_RSS_MCP_SLOT_TYPE_WITH_HASH 1
MXGEFW_CMD_SET_THROTTLE_FACTOR,
/* set the throttle factor for ethp_z8e
* data0 = throttle_factor
* throttle_factor = 256 * pcie-raw-speed / tx_speed
* tx_speed = 256 * pcie-raw-speed / throttle_factor
*
* For PCI-E x8: pcie-raw-speed == 16Gb/s
* For PCI-E x4: pcie-raw-speed == 8Gb/s
*
* ex1: throttle_factor == 0x1a0 (416), tx_speed == 1.23GB/s == 9.846 Gb/s
* ex2: throttle_factor == 0x200 (512), tx_speed == 1.0GB/s == 8 Gb/s
*
* with tx_boundary == 2048, max-throttle-factor == 8191 => min-speed == 500Mb/s
* with tx_boundary == 4096, max-throttle-factor == 4095 => min-speed == 1Gb/s
*/
MXGEFW_CMD_VPUMP_UP,
/* Allocates VPump Connection, Send Request and Zero copy buffer address tables */
MXGEFW_CMD_GET_VPUMP_CLK,
/* Get the lanai clock */
MXGEFW_CMD_GET_DCA_OFFSET,
/* offset of dca control for WDMAs */
};
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,
MXGEFW_CMD_ERROR_MULTICAST,
MXGEFW_CMD_ERROR_UNALIGNED,
MXGEFW_CMD_ERROR_NO_MDIO,
MXGEFW_CMD_ERROR_XFP_FAILURE,
MXGEFW_CMD_ERROR_XFP_ABSENT,
MXGEFW_CMD_ERROR_BAD_PCIE_LINK
};
#define MXGEFW_OLD_IRQ_DATA_LEN 40
struct mcp_irq_data {
/* add new counters at the beginning */
__be32 future_use[1];
__be32 dropped_pause;
__be32 dropped_unicast_filtered;
__be32 dropped_bad_crc32;
__be32 dropped_bad_phy;
__be32 dropped_multicast_filtered;
/* 40 Bytes */
__be32 send_done_count;
#define MXGEFW_LINK_DOWN 0
#define MXGEFW_LINK_UP 1
#define MXGEFW_LINK_MYRINET 2
#define MXGEFW_LINK_UNKNOWN 3
__be32 link_up;
__be32 dropped_link_overflow;
__be32 dropped_link_error_or_filtered;
__be32 dropped_runt;
__be32 dropped_overrun;
__be32 dropped_no_small_buffer;
__be32 dropped_no_big_buffer;
__be32 rdma_tags_available;
u8 tx_stopped;
u8 link_down;
u8 stats_updated;
u8 valid;
};
#endif /* __MYRI10GE_MCP_H__ */
