| #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__ */ |
