diff options
Diffstat (limited to 'drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp.h')
| -rw-r--r-- | drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp.h | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp.h b/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp.h new file mode 100644 index 000000000..cf7381060 --- /dev/null +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp.h @@ -0,0 +1,436 @@ +/* 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__ */ |