1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _SYS_PATTR_H 28*0Sstevel@tonic-gate #define _SYS_PATTR_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #ifdef __cplusplus 33*0Sstevel@tonic-gate extern "C" { 34*0Sstevel@tonic-gate #endif 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate /* 37*0Sstevel@tonic-gate * Attribute types and structures. 38*0Sstevel@tonic-gate */ 39*0Sstevel@tonic-gate #define PATTR_DSTADDRSAP 0x1 /* destination physical address+SAP */ 40*0Sstevel@tonic-gate #define PATTR_SRCADDRSAP 0x2 /* source physical address+SAP */ 41*0Sstevel@tonic-gate #define PATTR_HCKSUM 0x3 /* hardware checksum attribute */ 42*0Sstevel@tonic-gate #define PATTR_ZCOPY 0x4 /* zerocopy attribute */ 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate /* 45*0Sstevel@tonic-gate * Structure shared by {source,destination} physical address+SAP attributes. 46*0Sstevel@tonic-gate */ 47*0Sstevel@tonic-gate typedef struct pattr_addr_s { 48*0Sstevel@tonic-gate uint8_t addr_is_group; /* address is broadcast or multicast */ 49*0Sstevel@tonic-gate uint8_t addr_len; /* length of address */ 50*0Sstevel@tonic-gate uint8_t addr[1]; /* address */ 51*0Sstevel@tonic-gate } pattr_addr_t; 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate /* 54*0Sstevel@tonic-gate * Structure used for Hardware Checksum attribute. 55*0Sstevel@tonic-gate */ 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate typedef struct pattr_hcksum_s { 58*0Sstevel@tonic-gate uint32_t hcksum_start_offset; 59*0Sstevel@tonic-gate uint32_t hcksum_stuff_offset; 60*0Sstevel@tonic-gate uint32_t hcksum_end_offset; 61*0Sstevel@tonic-gate union { 62*0Sstevel@tonic-gate uint64_t value; 63*0Sstevel@tonic-gate uint16_t inet_cksum; /* to store H/W computed cksum value */ 64*0Sstevel@tonic-gate } hcksum_cksum_val; 65*0Sstevel@tonic-gate uint32_t hcksum_flags; 66*0Sstevel@tonic-gate } pattr_hcksum_t; 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate /* 69*0Sstevel@tonic-gate * Values for hcksum_flags 70*0Sstevel@tonic-gate */ 71*0Sstevel@tonic-gate #define HCK_IPV4_HDRCKSUM 0x01 /* On Transmit: Compute IP header */ 72*0Sstevel@tonic-gate /* checksum in hardware. */ 73*0Sstevel@tonic-gate /* On Receive: IP header checksum */ 74*0Sstevel@tonic-gate /* was verified by h/w and is */ 75*0Sstevel@tonic-gate /* correct. */ 76*0Sstevel@tonic-gate #define HCK_PARTIALCKSUM 0x02 /* On Transmit: Compute partial 1's */ 77*0Sstevel@tonic-gate /* complement checksum based on */ 78*0Sstevel@tonic-gate /* start, stuff and end offsets. */ 79*0Sstevel@tonic-gate /* On Receive : Partial checksum */ 80*0Sstevel@tonic-gate /* computed and attached. */ 81*0Sstevel@tonic-gate #define HCK_FULLCKSUM 0x04 /* On Transmit: Compute full(in case */ 82*0Sstevel@tonic-gate /* of TCP/UDP, full is pseudo-header */ 83*0Sstevel@tonic-gate /* + header + payload) checksum for */ 84*0Sstevel@tonic-gate /* this packet. */ 85*0Sstevel@tonic-gate /* On Receive : Full checksum */ 86*0Sstevel@tonic-gate /* computed in h/w and is attached */ 87*0Sstevel@tonic-gate #define HCK_FULLCKSUM_OK 0x08 /* On Transmit: N/A */ 88*0Sstevel@tonic-gate /* On Receive: Full checksum status */ 89*0Sstevel@tonic-gate /* If set, implies full checksum */ 90*0Sstevel@tonic-gate /* computation was successful */ 91*0Sstevel@tonic-gate /* i.e. checksum was correct. */ 92*0Sstevel@tonic-gate /* If it is not set, IP will also */ 93*0Sstevel@tonic-gate /* check the attached h/w computed */ 94*0Sstevel@tonic-gate /* checksum value to determine if */ 95*0Sstevel@tonic-gate /* checksum was bad */ 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate /* 98*0Sstevel@tonic-gate * Structure used for zerocopy attribute. 99*0Sstevel@tonic-gate */ 100*0Sstevel@tonic-gate typedef struct pattr_zcopy_s { 101*0Sstevel@tonic-gate uint_t zcopy_flags; 102*0Sstevel@tonic-gate } pattr_zcopy_t; 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate #ifdef __cplusplus 105*0Sstevel@tonic-gate } 106*0Sstevel@tonic-gate #endif 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate #endif /* _SYS_PATTR_H */ 109