/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2008 NetXen, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef UNM_NIC_CMN_H #define UNM_NIC_CMN_H #ifndef sun #include "unm_nic_config.h" #include "unm_compiler_defs.h" #endif #define IP_ALIGNMENT_BYTES 2 /* make ip aligned on 16byteaddr */ #define P2_MAX_MTU (8000) #define P3_MAX_MTU (9600) #define NX_ETHERMTU 1500 #define NX_MAX_ETHERHDR 32 /* This contains some padding */ #define NX_RX_NORMAL_BUF_MAX_LEN (NX_MAX_ETHERHDR + NX_ETHERMTU) #define NX_P2_RX_JUMBO_BUF_MAX_LEN (NX_MAX_ETHERHDR + P2_MAX_MTU) #define NX_P3_RX_JUMBO_BUF_MAX_LEN (NX_MAX_ETHERHDR + P3_MAX_MTU) #define MAX_RX_LRO_BUFFER_LENGTH ((8*1024) - 512) #define RX_LRO_DMA_MAP_LEN (MAX_RX_LRO_BUFFER_LENGTH -\ IP_ALIGNMENT_BYTES) /* Opcodes to be used with the commands */ #define TX_ETHER_PKT 0x01 /* The following opcodes are for IP checksum */ #define TX_TCP_PKT 0x02 #define TX_UDP_PKT 0x03 #define TX_IP_PKT 0x04 #define TX_TCP_LSO 0x05 #define TX_IPSEC 0x06 #define TX_IPSEC_CMD 0x07 #define NETXEN_MAC_NOOP 0 #define NETXEN_MAC_ADD 1 #define NETXEN_MAC_DEL 2 /* The following opcodes are for internal consumption. */ #define UNM_CONTROL_OP 0x10 #define PEGNET_REQUEST 0x11 #define NX_HOST_REQUEST 0x13 #define NX_NIC_REQUEST 0x14 #define NX_NIC_LRO_REQUEST 0x15 #define NX_MAC_EVENT 0x1 enum { NX_NIC_H2C_OPCODE_START = 0, NX_NIC_H2C_OPCODE_CONFIG_RSS, NX_NIC_H2C_OPCODE_CONFIG_RSS_TBL, NX_NIC_H2C_OPCODE_CONFIG_INTR_COALESCE, NX_NIC_H2C_OPCODE_CONFIG_LED, NX_NIC_H2C_OPCODE_CONFIG_PROMISCUOUS, NX_NIC_H2C_OPCODE_CONFIG_L2_MAC, NX_NIC_H2C_OPCODE_LRO_REQUEST, NX_NIC_H2C_OPCODE_GET_SNMP_STATS, NX_NIC_H2C_OPCODE_PROXY_START_REQUEST, NX_NIC_H2C_OPCODE_PROXY_STOP_REQUEST, NX_NIC_H2C_OPCODE_PROXY_SET_MTU, NX_NIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE, NX_H2P_OPCODE_GET_FINGER_PRINT_REQUEST, NX_H2P_OPCODE_INSTALL_LICENSE_REQUEST, NX_H2P_OPCODE_GET_LICENSE_CAPABILITY_REQUEST, NX_NIC_H2C_OPCODE_GET_NET_STATS, NX_NIC_H2C_OPCODE_LAST }; #define VPORT_MISS_MODE_DROP 0 /* drop all unmatched */ #define VPORT_MISS_MODE_ACCEPT_ALL 1 /* accept all packets */ #define VPORT_MISS_MODE_ACCEPT_MULTI 2 /* accept unmatched multicast */ #ifdef UNM_RSS #define RSS_CNTRL_CMD 0x20 #endif #define MAX_NUM_CARDS 4 #define MAX_NUM_PORTS 4 /* Deprecated. donot use this */ #define MAX_NIU_PORTS MAX_NUM_PORTS #define PORT1 0 #define PORT2 1 #define PORT3 2 #define PORT4 3 #define DESC_CHAIN 0xFF /* descriptor command continuation */ #define MAX_BUFFERS_PER_CMD 16 #define MAX_BUFFERS_PER_DESC 4 #define NX_P2_C0 0x24 #define NX_P2_C1 0x25 #define DUMMY_BUF_UNINIT 0x55555555 #define DUMMY_BUF_INIT 0 /* * Following are the states of the Phantom. Phantom will set them and * Host will read to check if the fields are correct. */ #define PHAN_INITIALIZE_START 0xff00 #define PHAN_INITIALIZE_FAILED 0xffff #define PHAN_INITIALIZE_COMPLETE 0xff01 /* Host writes the following to notify that it has done the init-handshake */ #define PHAN_INITIALIZE_ACK 0xf00f /* Following defines will be used in the status descriptor */ #define TX_ETHER_PKT_COMPLETE 0xB /* same for both commands */ #define NUM_RCV_DESC_RINGS 3 /* No of Rcv Descriptor contexts */ /* descriptor types */ #define RCV_DESC_NORMAL 0x01 #define RCV_DESC_JUMBO 0x02 #define RCV_DESC_LRO 0x04 #define RCV_DESC_NORMAL_CTXID 0 #define RCV_DESC_JUMBO_CTXID 1 #define RCV_DESC_LRO_CTXID 2 #define RCV_DESC_TYPE(ID) \ ((ID == RCV_DESC_JUMBO_CTXID) ? RCV_DESC_JUMBO : \ ((ID == RCV_DESC_LRO_CTXID) ? RCV_DESC_LRO : (RCV_DESC_NORMAL))) #define RCV_DESC_TYPE_NAME(ID) \ ((ID == RCV_DESC_JUMBO_CTXID) ? "Jumbo" : \ (ID == RCV_DESC_LRO_CTXID) ? "LRO" : \ (ID == RCV_DESC_NORMAL_CTXID) ? "Normal" : "Unknown") #define MAX_CMD_DESCRIPTORS 4096 #define MAX_CMD_DESCRIPTORS_HOST (MAX_CMD_DESCRIPTORS / 4) #define MAX_RCV_DESCRIPTORS 8192 #define MAX_JUMBO_RCV_DESCRIPTORS 1024 #define MAX_LRO_RCV_DESCRIPTORS 16 #define NX_MAX_SUPPORTED_RDS_SIZE (32 * 1024) #define NX_MAX_SUPPORTED_JUMBO_RDS_SIZE (4 * 1024) #define PHAN_PEG_RCV_INITIALIZED 0xff01 #define PHAN_PEG_RCV_START_INITIALIZE 0xff00 #define get_next_index(index, length) ((((index) + 1) == length)?0:(index) +1) #define get_index_range(index, length, count) \ ((((index) + (count)) >= length)? \ (((index) + (count))-(length)):((index) + (count))) #define UNM_FLOW_TICKS_PER_SEC 2048 #define UNM_FLOW_TO_TV_SHIFT_SEC 11 #define UNM_FLOW_TO_TV_SHIFT_USEC 9 #define UNM_FLOW_TICK_USEC (1000000ULL/UNM_FLOW_TICKS_PER_SEC) #define UNM_GLOBAL_TICKS_PER_SEC (4*UNM_FLOW_TICKS_PER_SEC) #define UNM_GLOBAL_TICK_USEC (1000000ULL/UNM_GLOBAL_TICKS_PER_SEC) /* * Following data structures describe the descriptors that will be used. * Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when * we are doing LSO (above the 1500 size packet) only. * This is an overhead but we need it. Let me know if you have questions. */ /* * the size of reference handle been changed to 16 bits to pass the MSS fields * for the LSO packet */ #define FLAGS_CHECKSUM_ENABLED 0x01 #define FLAGS_LSO_ENABLED 0x02 #define FLAGS_IPSEC_SA_ADD 0x04 #define FLAGS_IPSEC_SA_DELETE 0x08 #define FLAGS_VLAN_TAGGED 0x10 #if UNM_CONF_PROCESSOR == UNM_CONF_X86 #ifndef U64 typedef unsigned long long U64; typedef uint32_t U32; typedef uint16_t U16; typedef uint8_t U8; #endif #endif #define NUM_SUPPORTED_RINGSETS 4 #define MAX_RING_CTX 4 #define UNM_CTX_SIGNATURE 0xdee0 #define UNM_CTX_RESET 0xbad0 #define UNM_CTX_D3_RESET 0xacc0 /* define opcode for ctx_msg */ #define RX_PRODUCER 0 #define RX_PRODUCER_JUMBO 1 #define RX_PRODUCER_LRO 2 #define TX_PRODUCER 3 #define UPDATE_STATUS_CONSUMER 4 #define RESET_CTX 5 #define NUM_DB_CODE 6 #define UNM_RCV_PRODUCER(ringid) (ringid) #define UNM_CMD_PRODUCER TX_PRODUCER #define UNM_RCV_STATUS_CONSUMER UPDATE_STATUS_CONSUMER typedef struct __msg { __uint32_t PegId:2, // 0x2 for tx and 01 for rx. privId:1, // must be 1 Count:15, // for doorbell CtxId:10, // Ctx_id Opcode:4; /* opcode */ }ctx_msg, CTX_MSG, *PCTX_MSG; typedef struct __int_msg { __uint32_t Count:18, // INT ConsumerIdx:10, CtxId:4; // Ctx_id }int_msg, INT_MSG, *PINT_MSG; /* For use in CRB_MPORT_MODE */ #define MPORT_SINGLE_FUNCTION_MODE 0x1111 #define MPORT_MULTI_FUNCTION_MODE 0x2222 typedef struct _RcvContext { __uint32_t RcvRingAddrLo; __uint32_t RcvRingAddrHi; __uint32_t RcvRingSize; __uint32_t Rsrv; }RcvContext; typedef struct PREALIGN(64) _RingContext { /* one command ring */ __uint64_t CMD_CONSUMER_OFFSET; __uint32_t CmdRingAddrLo; __uint32_t CmdRingAddrHi; __uint32_t CmdRingSize; __uint32_t Rsrv; /* three receive rings */ RcvContext RcvContext[3]; /* one status ring */ __uint32_t StsRingAddrLo; __uint32_t StsRingAddrHi; __uint32_t StsRingSize; __uint32_t CtxId; __uint64_t D3_STATE_REGISTER; __uint32_t DummyDmaAddrLo; __uint32_t DummyDmaAddrHi; }POSTALIGN(64) RingContext, RING_CTX, *PRING_CTX; #ifdef UNM_RSS /* * RSS_SreInfo{} has the information for SRE to calculate the hash value * Will be passed by the host=> as part of comd descriptor... */ #if UNM_CONF_PROCESSOR == UNM_CONF_X86 typedef struct _RSS_SreInfo { U32 HashKeySize; U32 HashInformation; char key[40]; }RSS_SreInfo; #endif /* * The following Descriptor is used to send RSS commands to the * PEG.... to be do the SRE registers.. */ typedef struct PREALIGN(64) _rssCmdDesc { /* * To keep the opcode at the same location as * the cmdDescType0, we will have to breakup the key into * 2 areas.... Dont like it but for now will do... FSL */ #if UNM_CONF_PROCESSOR == UNM_CONF_X86 U8 Key0[16]; U64 HashMethod:32, HashKeySize:8, Unused: 16, opcode:8; U8 Key1[24]; U64 Unused1; U64 Unused2; #else unm_msgword_t Key0[2]; unm_halfmsgword_t HashMethod; unm_halfmsgword_t HashKeySize:8, Unused:16, opcode:8; unm_msgword_t Key1[3]; unm_msgword_t Unused1; unm_msgword_t Unused2; #endif } POSTALIGN(64) rssCmdDesc_t; #endif /* UNM_RSS */ typedef struct PREALIGN(64) cmdDescType0 { union { struct { __uint32_t tcpHdrOffset:8, /* For LSO only */ ipHdrOffset:8, // For LSO only flags:7, /* as defined above */ /* This location/size must not change... */ opcode:6, Unused:3; /* total number of segments (buffers */ __uint32_t numOfBuffers:8, /* for this packet. (could be more than 4) */ /* Total size of the packet */ totalLength:24; }s1; __uint64_t word0; }u1; union { struct { __uint32_t AddrLowPart2; __uint32_t AddrHighPart2; }s1; __uint64_t AddrBuffer2; __uint64_t word1; }u2; union { struct { /* changed to U16 to add mss */ __uint32_t referenceHandle:16, /* passed by NDIS_PACKET for LSO */ mss:16; __uint32_t port:4, ctx_id:4, /* LSO only : MAC+IP+TCP Hdr size */ totalHdrLength:8, /* IPSec offoad only */ connID:16; }s1; __uint64_t word2; }u3; union { struct { __uint32_t AddrLowPart3; __uint32_t AddrHighPart3; }s1; __uint64_t AddrBuffer3; __uint64_t word3; }u4; union { struct { __uint32_t AddrLowPart1; __uint32_t AddrHighPart1; }s1; __uint64_t AddrBuffer1; __uint64_t word4; }u5; union { struct { __uint32_t buffer1Length:16, buffer2Length:16; __uint32_t buffer3Length:16, buffer4Length:16; }s1; __uint64_t word5; }u6; union { struct { __uint32_t AddrLowPart4; __uint32_t AddrHighPart4; }s1; __uint64_t AddrBuffer4; __uint64_t word6; }u7; __uint64_t unused; } POSTALIGN(64) cmdDescType0_t; /* Note: sizeof(rcvDesc) should always be a mutliple of 2 */ typedef struct rcvDesc { __uint32_t referenceHandle:16, flags:16; __uint32_t /* allocated buffer length (usually 2K) */ bufferLength:32; __uint64_t AddrBuffer; } rcvDesc_t; /* for status field in statusDesc_t */ #define STATUS_NEED_CKSUM (1) #define STATUS_CKSUM_OK (2) #define STATUS_CKSUM_NOT_OK (3) /* owner bits of statusDesc_t */ #define STATUS_OWNER_HOST (1ULL) #define STATUS_OWNER_PHANTOM (2ULL) #define HOST_STATUS_DESC ((STATUS_OWNER_HOST) << 48) #define PHANTOM_STATUS_DESC ((STATUS_OWNER_PHANTOM) << 48) #define UNM_PROT_IP (1) #define UNM_PROT_UNKNOWN (0) /* LRO specific bits of statusDesc_t */ #define LRO_LAST_FRAG (1) #define LRO_NORMAL_FRAG (0) #define LRO_LAST_FRAG_DESC ((LRO_LAST_FRAG)<<63) #define LRO_NORMAL_FRAG_DESC ((LRO_NORMAL_FRAG)<<63) typedef struct PREALIGN(16) statusDesc { union { struct { /* initially to be used but noe now */ __uint32_t port:4, /* completion status may not have use */ status:4, /* type/index of descriptor ring */ type:4, /* NIC mode...no use yet */ totalLength:16, /* handle for the associated packet */ referenceHandle_lo:4; /* handle for the associated packet */ __uint32_t referenceHandle_hi:12, /* Pkt protocol */ prot:4, pkt_offset:5, /* * This indicates the num of descriptors part of this descriptor chain. */ descCnt:3, owner:2, opcode:6; __uint32_t HashValue; __uint16_t vlan; __uint8_t HashType; union { /* * For LRO count is set * Last LRO fragment is set when it is * the last frag as the name says. */ __uint8_t lro_frag:7, last_lro_frag:1; /* * Used to indicate direction in case * of captured packets. Egress will * contain EPG input, while ingress * contains an skb copy. */ #define NX_CAP_DIRN_OUT 1 #define NX_CAP_DIRN_IN 2 __uint8_t direction; /* * Currently for Legacy this is 0. */ __uint8_t nr_frags; }u11; }s1; __uint64_t body[2]; }u1; } POSTALIGN(16) statusDesc_t; #define STATUS_OWNER_NAME(sd) \ (((sd)->u1.s1.owner == STATUS_OWNER_HOST) ? "Host" : "Phantom") #ifdef UNM_IPSECOFFLOAD #define MAX_IPSEC_SAS 1024 #define RECEIVE_IPSEC_SA_BASE 0x8000 /* * IPSEC related structures and defines */ /* Values for DIrFlag in the ipsec_sa_t structure below: */ #define UNM_IPSEC_SA_DIR_INBOUND 1 #define UNM_IPSEC_SA_DIR_OUTBOUND 2 /* Values for Operation Field below: */ #define UNM_IPSEC_SA_AUTHENTICATE 1 #define UNM_IPSEC_SA_ENDECRYPT 2 /* COnfidential Algorithm Types: */ #define UNM_IPSEC_CONF_NONE 0 // NULL encryption? #define UNM_IPSEC_CONF_DES 1 #define UNM_IPSEC_CONF_RESERVED 2 #define UNM_IPSEC_CONF_3DES 3 /* Integrity algorithm (AH) types: */ #define UNM_IPSEC_INTEG_NONE 0 #define UNM_IPSEC_INTEG_MD5 1 #define UNM_IPSEC_INTEG_SHA1 2 #define UNM_PROTOCOL_OFFSET 0x9 // from ip header begin, in bytes #define UNM_PKT_TYPE_AH 0x33 #define UNM_PKT_TYPE_ESP 0x32 /* 96 bits of output for MD5/SHA1 algorithms */ #define UNM_AHOUTPUT_LENGTH 12 /* * 8 bytes (64 bits) of ICV value for each block of DES_CBC * at the begin of ESP payload */ #define UNM_DES_ICV_LENGTH 8 #if UNM_CONF_PROCESSOR == UNM_CONF_X86 typedef struct PREALIGN(512) s_ipsec_sa { U32 SrcAddr; U32 SrcMask; U32 DestAddr; U32 DestMask; U32 Protocol:8, DirFlag:4, IntegCtxInit:2, ConfCtxInit:2, No_of_keys:8, Operation:8; U32 IntegAlg:8, IntegKeyLen:8, ConfAlg:8, ConfAlgKeyLen:8; U32 SAIndex; U32 SPI_Id; U64 Key1[124]; } POSTALIGN(512) unm_ipsec_sa_t; #else typedef struct PREALIGN(512) s_ipsec_sa { unm_halfmsgword_t SrcAddr; unm_halfmsgword_t SrcMask; unm_halfmsgword_t DestAddr; unm_halfmsgword_t DestMask; unm_halfmsgword_t Protocol:8, DirFlag:4, IntegCtxInit:2, ConfCtxInit:2, No_of_keys:8, Operation:8; unm_halfmsgword_t IntegAlg:8, IntegKeyLen:8, ConfAlg:8, ConfAlgKeyLen:8; unm_halfmsgword_t SAIndex:32; unm_halfmsgword_t SPI_Id:32; /* to round up to 1K of structure */ unm_msgword_t Key1[124]; } POSTALIGN(512) unm_ipsec_sa_t; #endif /* NOT-X86 */ /* Other common header formats that may be needed */ typedef struct _unm_ip_header_s { U32 HdrVer:8, diffser:8, TotalLength:16; U32 ipId:16, flagfrag:16; U32 TTL:8, Protocol:8, Chksum:16; U32 srcaddr; U32 destaddr; } unm_ip_header_t; typedef struct _unm_ah_header_s { U32 NextProto:8, length:8, reserved:16; U32 SPI; U32 seqno; U16 ICV; U16 ICV1; U16 ICV2; U16 ICV3; U16 ICV4; U16 ICV5; } unm_ah_header_t; typedef struct _unm_esp_hdr_s { U32 SPI; U32 seqno; } unm_esp_hdr_t; #endif /* UNM_IPSECOFFLOAD */ /* * Defines for various loop counts. These determine the behaviour of the * system. The classic tradeoff between latency and throughput. */ /* * MAX_DMA_LOOPCOUNT : After how many interations do we start the dma for * the status descriptors. */ #define MAX_DMA_LOOPCOUNT (32) /* * MAX_TX_DMA_LOOP_COUNT : After how many interations do we start the dma for * the command descriptors. */ #define MAX_TX_DMA_LOOP_COUNT 1000 /* * MAX_RCV_BUFS : Max number Rx packets that can be buffered before DMA/INT */ #define MAX_RCV_BUFS (4096) /* * XXX;shouldnt be exposed in nic_cmn.h * DMA_MAX_RCV_BUFS : Max number Rx packets that can be buffered before DMA */ #define DMA_MAX_RCV_BUFS (4096) /* * XXX;shouldnt be exposed in nic_cmn.h * MAX_DMA_ENTRIES : Max number Rx dma entries can be in dma list */ #define MAX_DMA_ENTRIES (4096) /* * MAX_INTR_LOOPCOUNT : After how many iterations do we interrupt the * host ? */ #define MAX_INTR_LOOPCOUNT (1024) /* * XMIT_LOOP_THRESHOLD : How many times do we spin before we process the * transmit buffers. */ #define XMIT_LOOP_THRESHOLD 0x20 /* * XMIT_DESC_THRESHOLD : How many descriptors pending before we process * the descriptors. */ #define XMIT_DESC_THRESHOLD 0x4 /* * TX_DMA_THRESHOLD : When do we start the dma of the command descriptors. * We need these number of command descriptors, or we need to exceed the * loop count. P1 only. */ #define TX_DMA_THRESHOLD 16 #if defined(UNM_IP_FILTER) /* * Commands. Must match the definitions in nic/Linux/include/unm_nic_ioctl.h */ enum { UNM_IP_FILTER_CLEAR = 1, UNM_IP_FILTER_ADD, UNM_IP_FILTER_DEL, UNM_IP_FILTER_SHOW }; #define MAX_FILTER_ENTRIES 16 typedef struct { __int32_t count; __uint32_t ip_addr[15]; } unm_ip_filter_t; #endif /* UNM_IP_FILTER */ enum { UNM_RCV_PEG_0 = 0, UNM_RCV_PEG_1 }; #endif /* !UNM_NIC_CMN_H */