|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | #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_GO	0x380000 | 
|  | #define	MXGEFW_ETH_SEND_STOP	0x3C0000 | 
|  |  | 
|  | #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 = 1, | 
|  |  | 
|  | /* get the version number of the current firmware.. | 
|  | * (may be available in the eeprom strings..? */ | 
|  | MXGEFW_GET_MCP_VERSION = 2, | 
|  |  | 
|  | /* 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 = 3, | 
|  | /* data0 = LSW of the host address | 
|  | * data1 = MSW of the host address | 
|  | * data2 = slice number if multiple slices are used | 
|  | */ | 
|  |  | 
|  | MXGEFW_CMD_SET_BIG_BUFFER_SIZE = 4,	/* in bytes, power of 2 */ | 
|  | MXGEFW_CMD_SET_SMALL_BUFFER_SIZE = 5,	/* in bytes */ | 
|  |  | 
|  | /* Parameters which refer to lanai SRAM addresses where the | 
|  | * driver must issue PIO writes for various things */ | 
|  |  | 
|  | MXGEFW_CMD_GET_SEND_OFFSET = 6, | 
|  | MXGEFW_CMD_GET_SMALL_RX_OFFSET = 7, | 
|  | MXGEFW_CMD_GET_BIG_RX_OFFSET = 8, | 
|  | /* data0 = slice number if multiple slices are used */ | 
|  |  | 
|  | MXGEFW_CMD_GET_IRQ_ACK_OFFSET = 9, | 
|  | MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET = 10, | 
|  |  | 
|  | /* Parameters which refer to rings stored on the MCP, | 
|  | * and whose size is controlled by the mcp */ | 
|  |  | 
|  | MXGEFW_CMD_GET_SEND_RING_SIZE = 11,	/* in bytes */ | 
|  | MXGEFW_CMD_GET_RX_RING_SIZE = 12,	/* 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 = 13,	/* 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 = 14, | 
|  |  | 
|  | /* 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 = 15, | 
|  |  | 
|  | /* 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 = 16, | 
|  | MXGEFW_CMD_GET_INTR_COAL_DELAY_OFFSET = 17,	/* in microseconds */ | 
|  | MXGEFW_CMD_SET_STATS_INTERVAL = 18,	/* in microseconds */ | 
|  | MXGEFW_CMD_SET_STATS_DMA_OBSOLETE = 19,	/* replaced by SET_STATS_DMA_V2 */ | 
|  |  | 
|  | MXGEFW_ENABLE_PROMISC = 20, | 
|  | MXGEFW_DISABLE_PROMISC = 21, | 
|  | MXGEFW_SET_MAC_ADDRESS = 22, | 
|  |  | 
|  | MXGEFW_ENABLE_FLOW_CONTROL = 23, | 
|  | MXGEFW_DISABLE_FLOW_CONTROL = 24, | 
|  |  | 
|  | /* 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 = 25, | 
|  |  | 
|  | MXGEFW_ENABLE_ALLMULTI = 26, | 
|  | MXGEFW_DISABLE_ALLMULTI = 27, | 
|  |  | 
|  | /* returns MXGEFW_CMD_ERROR_MULTICAST | 
|  | * if there is no room in the cache | 
|  | * data0,MSH(data1) = multicast group address */ | 
|  | MXGEFW_JOIN_MULTICAST_GROUP = 28, | 
|  | /* 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 = 29, | 
|  | MXGEFW_LEAVE_ALL_MULTICAST_GROUPS = 30, | 
|  |  | 
|  | MXGEFW_CMD_SET_STATS_DMA_V2 = 31, | 
|  | /* 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 | 
|  | * | 
|  | * If multiple slices are used, data2 contains both the size of the | 
|  | * structure (in the lower 16 bits) and the slice number | 
|  | * (in the upper 16 bits). | 
|  | */ | 
|  |  | 
|  | MXGEFW_CMD_UNALIGNED_TEST = 32, | 
|  | /* same than DMA_TEST (same args) but abort with UNALIGNED on unaligned | 
|  | * chipset */ | 
|  |  | 
|  | MXGEFW_CMD_UNALIGNED_STATUS = 33, | 
|  | /* return data = boolean, true if the chipset is known to be unaligned */ | 
|  |  | 
|  | MXGEFW_CMD_ALWAYS_USE_N_BIG_BUFFERS = 34, | 
|  | /* 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 = 35, | 
|  | MXGEFW_CMD_ENABLE_RSS_QUEUES = 36, | 
|  | /* data0 = number of slices n (0, 1, ..., n-1) to enable | 
|  | * data1 = interrupt mode | use of multiple transmit queues. | 
|  | * 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. | 
|  | * 2=enable both receive and send queues. | 
|  | * Without this bit set, only one send queue (slice 0's send queue) | 
|  | * is enabled.  The receive queues are always enabled. | 
|  | */ | 
|  | #define MXGEFW_SLICE_INTR_MODE_SHARED          0x0 | 
|  | #define MXGEFW_SLICE_INTR_MODE_ONE_PER_SLICE   0x1 | 
|  | #define MXGEFW_SLICE_ENABLE_MULTIPLE_TX_QUEUES 0x2 | 
|  |  | 
|  | MXGEFW_CMD_GET_RSS_SHARED_INTERRUPT_MASK_OFFSET = 37, | 
|  | MXGEFW_CMD_SET_RSS_SHARED_INTERRUPT_DMA = 38, | 
|  | /* data0, data1 = bus address lsw, msw */ | 
|  | MXGEFW_CMD_GET_RSS_TABLE_OFFSET = 39, | 
|  | /* get the offset of the indirection table */ | 
|  | MXGEFW_CMD_SET_RSS_TABLE_SIZE = 40, | 
|  | /* set the size of the indirection table */ | 
|  | MXGEFW_CMD_GET_RSS_KEY_OFFSET = 41, | 
|  | /* get the offset of the secret key */ | 
|  | MXGEFW_CMD_RSS_KEY_UPDATED = 42, | 
|  | /* tell nic that the secret key's been updated */ | 
|  | MXGEFW_CMD_SET_RSS_ENABLE = 43, | 
|  | /* 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 | 
|  | * 5: source port + destination port | 
|  | */ | 
|  | #define MXGEFW_RSS_HASH_TYPE_IPV4      0x1 | 
|  | #define MXGEFW_RSS_HASH_TYPE_TCP_IPV4  0x2 | 
|  | #define MXGEFW_RSS_HASH_TYPE_SRC_PORT  0x4 | 
|  | #define MXGEFW_RSS_HASH_TYPE_SRC_DST_PORT 0x5 | 
|  | #define MXGEFW_RSS_HASH_TYPE_MAX 0x5 | 
|  |  | 
|  | MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE = 44, | 
|  | /* 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 = 45, | 
|  | /* 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 = 46, | 
|  | /* data0 = dev_addr (PMA/PMD or PCS ...), data1 = register/addr */ | 
|  | MXGEFW_CMD_MDIO_WRITE = 47, | 
|  | /* data0 = dev_addr,  data1 = register/addr, data2 = value  */ | 
|  |  | 
|  | MXGEFW_CMD_I2C_READ = 48, | 
|  | /* Starts to get a fresh copy of one byte or of the module i2c table, the | 
|  | * obtained data is cached inside the xaui-xfi chip : | 
|  | *   data0 :  0 => get one byte, 1=> get 256 bytes | 
|  | *   data1 :  If data0 == 0: location to refresh | 
|  | *               bit 7:0  register location | 
|  | *               bit 8:15 is the i2c slave addr (0 is interpreted as 0xA1) | 
|  | *               bit 23:16 is the i2c bus number (for multi-port NICs) | 
|  | *            If data0 == 1: unused | 
|  | * The operation might take ~1ms for a single byte or ~65ms when refreshing all 256 bytes | 
|  | * During the i2c operation,  MXGEFW_CMD_I2C_READ or MXGEFW_CMD_I2C_BYTE attempts | 
|  | *  will return MXGEFW_CMD_ERROR_BUSY | 
|  | */ | 
|  | MXGEFW_CMD_I2C_BYTE = 49, | 
|  | /* Return the last obtained copy of a given byte in the xfp i2c table | 
|  | * (copy cached during the last relevant MXGEFW_CMD_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 = 50, | 
|  | /* Return data = NIC memory offset of mcp_vpump_public_global */ | 
|  | MXGEFW_CMD_RESET_VPUMP = 51, | 
|  | /* Resets the VPUMP state */ | 
|  |  | 
|  | MXGEFW_CMD_SET_RSS_MCP_SLOT_TYPE = 52, | 
|  | /* 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 = 53, | 
|  | /* 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 = 54, | 
|  | /* Allocates VPump Connection, Send Request and Zero copy buffer address tables */ | 
|  | MXGEFW_CMD_GET_VPUMP_CLK = 55, | 
|  | /* Get the lanai clock */ | 
|  |  | 
|  | MXGEFW_CMD_GET_DCA_OFFSET = 56, | 
|  | /* offset of dca control for WDMAs */ | 
|  |  | 
|  | /* VMware NetQueue commands */ | 
|  | MXGEFW_CMD_NETQ_GET_FILTERS_PER_QUEUE = 57, | 
|  | MXGEFW_CMD_NETQ_ADD_FILTER = 58, | 
|  | /* data0 = filter_id << 16 | queue << 8 | type */ | 
|  | /* data1 = MS4 of MAC Addr */ | 
|  | /* data2 = LS2_MAC << 16 | VLAN_tag */ | 
|  | MXGEFW_CMD_NETQ_DEL_FILTER = 59, | 
|  | /* data0 = filter_id */ | 
|  | MXGEFW_CMD_NETQ_QUERY1 = 60, | 
|  | MXGEFW_CMD_NETQ_QUERY2 = 61, | 
|  | MXGEFW_CMD_NETQ_QUERY3 = 62, | 
|  | MXGEFW_CMD_NETQ_QUERY4 = 63, | 
|  |  | 
|  | MXGEFW_CMD_RELAX_RXBUFFER_ALIGNMENT = 64, | 
|  | /* When set, small receive buffers can cross page boundaries. | 
|  | * Both small and big receive buffers may start at any address. | 
|  | * This option has performance implications, so use with caution. | 
|  | */ | 
|  | }; | 
|  |  | 
|  | enum myri10ge_mcp_cmd_status { | 
|  | MXGEFW_CMD_OK = 0, | 
|  | MXGEFW_CMD_UNKNOWN = 1, | 
|  | MXGEFW_CMD_ERROR_RANGE = 2, | 
|  | MXGEFW_CMD_ERROR_BUSY = 3, | 
|  | MXGEFW_CMD_ERROR_EMPTY = 4, | 
|  | MXGEFW_CMD_ERROR_CLOSED = 5, | 
|  | MXGEFW_CMD_ERROR_HASH_ERROR = 6, | 
|  | MXGEFW_CMD_ERROR_BAD_PORT = 7, | 
|  | MXGEFW_CMD_ERROR_RESOURCES = 8, | 
|  | MXGEFW_CMD_ERROR_MULTICAST = 9, | 
|  | MXGEFW_CMD_ERROR_UNALIGNED = 10, | 
|  | MXGEFW_CMD_ERROR_NO_MDIO = 11, | 
|  | MXGEFW_CMD_ERROR_I2C_FAILURE = 12, | 
|  | MXGEFW_CMD_ERROR_I2C_ABSENT = 13, | 
|  | MXGEFW_CMD_ERROR_BAD_PCIE_LINK = 14 | 
|  | }; | 
|  |  | 
|  | #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; | 
|  | }; | 
|  |  | 
|  | /* definitions for NETQ filter type */ | 
|  | #define MXGEFW_NETQ_FILTERTYPE_NONE 0 | 
|  | #define MXGEFW_NETQ_FILTERTYPE_MACADDR 1 | 
|  | #define MXGEFW_NETQ_FILTERTYPE_VLAN 2 | 
|  | #define MXGEFW_NETQ_FILTERTYPE_VLANMACADDR 3 | 
|  |  | 
|  | #endif				/* __MYRI10GE_MCP_H__ */ |