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Diffstat (limited to 'usr/src/uts/intel/io/vmxnet/net.h')
| -rw-r--r-- | usr/src/uts/intel/io/vmxnet/net.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/usr/src/uts/intel/io/vmxnet/net.h b/usr/src/uts/intel/io/vmxnet/net.h new file mode 100644 index 0000000000..41b6eb1d14 --- /dev/null +++ b/usr/src/uts/intel/io/vmxnet/net.h @@ -0,0 +1,220 @@ +/********************************************************* + * Copyright (C) 1998 VMware, Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation version 2 and no later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + *********************************************************/ + +/********************************************************* + * The contents of this file are subject to the terms of the Common + * Development and Distribution License (the "License") version 1.0 + * and no later version. You may not use this file except in + * compliance with the License. + * + * You can obtain a copy of the License at + * http://www.opensource.org/licenses/cddl1.php + * + * See the License for the specific language governing permissions + * and limitations under the License. + * + *********************************************************/ + +/************************************************************ + * + * net.h + * + * This file should contain all network global defines. + * No vlance/vmxnet/vnet/vmknet specific stuff should be + * put here only defines used/usable by all network code. + * --gustav + * + ************************************************************/ + +#ifndef VMWARE_DEVICES_NET_H +#define VMWARE_DEVICES_NET_H + +#define INCLUDE_ALLOW_USERLEVEL +#define INCLUDE_ALLOW_MODULE +#define INCLUDE_ALLOW_VMCORE + +#include "includeCheck.h" +#include "vm_device_version.h" + +#ifdef VMCORE +#include "config.h" +#include "str.h" +#include "strutil.h" +#endif + +#define ETHERNET_MTU 1518 +#define ETH_MIN_FRAME_LEN 60 + +#ifndef ETHER_ADDR_LEN +#define ETHER_ADDR_LEN 6 /* length of MAC address */ +#endif +#define ETH_HEADER_LEN 14 /* length of Ethernet header */ +#define IP_ADDR_LEN 4 /* length of IPv4 address */ +#define IP_HEADER_LEN 20 /* minimum length of IPv4 header */ + +#define ETHER_MAX_QUEUED_PACKET 1600 + + +/* + * State's that a NIC can be in currently we only use this + * in VLance but if we implement/emulate new adapters that + * we also want to be able to morph a new corresponding + * state should be added. + */ + +#define LANCE_CHIP 0x2934 +#define VMXNET_CHIP 0x4392 + +/* + * Size of reserved IO space needed by the LANCE adapter and + * the VMXNET adapter. If you add more ports to Vmxnet than + * there is reserved space you must bump VMXNET_CHIP_IO_RESV_SIZE. + * The sizes must be powers of 2. + */ + +#define LANCE_CHIP_IO_RESV_SIZE 0x20 +#define VMXNET_CHIP_IO_RESV_SIZE 0x40 + +#define MORPH_PORT_SIZE 4 + +#ifdef VMCORE +typedef struct Net_AdapterCount { + uint8 vlance; + uint8 vmxnet2; + uint8 vmxnet3; + uint8 e1000; + uint8 e1000e; +} Net_AdapterCount; +#endif + +#ifdef USERLEVEL + +/* + *---------------------------------------------------------------------------- + * + * Net_AddAddrToLADRF -- + * + * Given a MAC address, sets the corresponding bit in the LANCE style + * Logical Address Filter 'ladrf'. + * The caller should have initialized the ladrf to all 0's, as this + * function only ORs on a bit in the array. + * 'addr' is presumed to be ETHER_ADDR_LEN in size; + * 'ladrf' is presumed to point to a 64-bit vector. + * + * Derived from a long history of derivations, originally inspired by + * sample code from the AMD "Network Products: Ethernet Controllers 1998 + * Data Book, Book 2", pages 1-53..1-55. + * + * Returns: + * None. + * + * Side effects: + * Updates 'ladrf'. + * + *---------------------------------------------------------------------------- + */ + +static INLINE void +Net_AddAddrToLadrf(const uint8 *addr, // IN: pointer to MAC address + uint8 *ladrf) // IN/OUT: pointer to ladrf +{ +#define CRC_POLYNOMIAL_BE 0x04c11db7UL /* Ethernet CRC, big endian */ + + uint16 hashcode; + int32 crc = 0xffffffff; /* init CRC for each address */ + int32 j; + int32 bit; + int32 byte; + + ASSERT(addr); + ASSERT(ladrf); + + for (byte = 0; byte < ETHER_ADDR_LEN; byte++) { /* for each address byte */ + /* process each address bit */ + for (bit = *addr++, j = 0; + j < 8; + j++, bit >>= 1) { + crc = (crc << 1) ^ ((((crc < 0 ? 1 : 0) ^ bit) & 0x01) ? + CRC_POLYNOMIAL_BE : 0); + } + } + hashcode = (crc & 1); /* hashcode is 6 LSb of CRC ... */ + for (j = 0; j < 5; j++) { /* ... in reverse order. */ + hashcode = (hashcode << 1) | ((crc>>=1) & 1); + } + + ladrf[hashcode >> 3] |= 1 << (hashcode & 0x07); +} +#endif // USERLEVEL + +#ifdef VMCORE +/* + *---------------------------------------------------------------------- + * + * Net_GetNumAdapters -- + * + * Returns the number of each type of network adapter configured in this + * VM. + * + * Results: + * None. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static INLINE void +Net_GetNumAdapters(Net_AdapterCount *counts) +{ + uint32 i; + + counts->vlance = 0; + counts->vmxnet2 = 0; + counts->vmxnet3 = 0; + counts->e1000 = 0; + counts->e1000e = 0; + + for (i = 0; i < MAX_ETHERNET_CARDS; i++) { + char* adapterStr; + + if (!Config_GetBool(FALSE, "ethernet%d.present", i)) { + continue; + } + adapterStr = Config_GetString("vlance", "ethernet%d.virtualDev", i); + if (Str_Strcasecmp(adapterStr, "vmxnet3") == 0) { + counts->vmxnet3++; + } else if (Str_Strcasecmp(adapterStr, "vlance") == 0) { + counts->vlance++; + } else if (Str_Strcasecmp(adapterStr, "vmxnet") == 0) { + counts->vmxnet2++; + } else if (Str_Strcasecmp(adapterStr, "e1000") == 0) { + counts->e1000++; + } else if (Str_Strcasecmp(adapterStr, "e1000e") == 0) { + counts->e1000e++; + } else { + LOG_ONCE(("%s: unknown adapter: %s\n", __FUNCTION__, adapterStr)); + } + free(adapterStr); + } +} + +#endif // VMCORE + +#endif // VMWARE_DEVICES_NET_H |