1 741 masputra /* 2 741 masputra * CDDL HEADER START 3 741 masputra * 4 741 masputra * The contents of this file are subject to the terms of the 5 1664 ja97890 * Common Development and Distribution License (the "License"). 6 1664 ja97890 * You may not use this file except in compliance with the License. 7 741 masputra * 8 741 masputra * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 741 masputra * or http://www.opensolaris.org/os/licensing. 10 741 masputra * See the License for the specific language governing permissions 11 741 masputra * and limitations under the License. 12 741 masputra * 13 741 masputra * When distributing Covered Code, include this CDDL HEADER in each 14 741 masputra * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 741 masputra * If applicable, add the following below this CDDL HEADER, with the 16 741 masputra * fields enclosed by brackets "[]" replaced with your own identifying 17 741 masputra * information: Portions Copyright [yyyy] [name of copyright owner] 18 741 masputra * 19 741 masputra * CDDL HEADER END 20 741 masputra */ 21 741 masputra /* 22 8485 Peter * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 741 masputra * Use is subject to license terms. 24 741 masputra */ 25 741 masputra 26 741 masputra #ifndef _INET_IP_IMPL_H 27 741 masputra #define _INET_IP_IMPL_H 28 741 masputra 29 741 masputra /* 30 741 masputra * IP implementation private declarations. These interfaces are 31 741 masputra * used to build the IP module and are not meant to be accessed 32 741 masputra * by any modules except IP itself. They are undocumented and are 33 741 masputra * subject to change without notice. 34 741 masputra */ 35 741 masputra 36 741 masputra #ifdef __cplusplus 37 741 masputra extern "C" { 38 741 masputra #endif 39 741 masputra 40 741 masputra #ifdef _KERNEL 41 2958 dr146992 42 2958 dr146992 #include <sys/sdt.h> 43 8275 Eric #include <sys/dld.h> 44 741 masputra 45 741 masputra #define IP_MOD_ID 5701 46 8348 Eric 47 8348 Eric #define INET_NAME "ip" 48 741 masputra 49 741 masputra #ifdef _BIG_ENDIAN 50 741 masputra #define IP_HDR_CSUM_TTL_ADJUST 256 51 741 masputra #define IP_TCP_CSUM_COMP IPPROTO_TCP 52 741 masputra #define IP_UDP_CSUM_COMP IPPROTO_UDP 53 11042 Erik #define IP_ICMPV6_CSUM_COMP IPPROTO_ICMPV6 54 741 masputra #else 55 741 masputra #define IP_HDR_CSUM_TTL_ADJUST 1 56 741 masputra #define IP_TCP_CSUM_COMP (IPPROTO_TCP << 8) 57 741 masputra #define IP_UDP_CSUM_COMP (IPPROTO_UDP << 8) 58 11042 Erik #define IP_ICMPV6_CSUM_COMP (IPPROTO_ICMPV6 << 8) 59 741 masputra #endif 60 741 masputra 61 741 masputra #define TCP_CHECKSUM_OFFSET 16 62 741 masputra #define TCP_CHECKSUM_SIZE 2 63 741 masputra 64 741 masputra #define UDP_CHECKSUM_OFFSET 6 65 741 masputra #define UDP_CHECKSUM_SIZE 2 66 741 masputra 67 11042 Erik #define ICMPV6_CHECKSUM_OFFSET 2 68 11042 Erik #define ICMPV6_CHECKSUM_SIZE 2 69 11042 Erik 70 741 masputra #define IPH_TCPH_CHECKSUMP(ipha, hlen) \ 71 741 masputra ((uint16_t *)(((uchar_t *)(ipha)) + ((hlen) + TCP_CHECKSUM_OFFSET))) 72 741 masputra 73 741 masputra #define IPH_UDPH_CHECKSUMP(ipha, hlen) \ 74 741 masputra ((uint16_t *)(((uchar_t *)(ipha)) + ((hlen) + UDP_CHECKSUM_OFFSET))) 75 741 masputra 76 11042 Erik #define IPH_ICMPV6_CHECKSUMP(ipha, hlen) \ 77 11042 Erik ((uint16_t *)(((uchar_t *)(ipha)) + ((hlen) + ICMPV6_CHECKSUM_OFFSET))) 78 11042 Erik 79 741 masputra #define ILL_HCKSUM_CAPABLE(ill) \ 80 741 masputra (((ill)->ill_capabilities & ILL_CAPAB_HCKSUM) != 0) 81 741 masputra 82 741 masputra /* 83 741 masputra * Macro to adjust a given checksum value depending on any prepended 84 741 masputra * or postpended data on the packet. It expects the start offset to 85 741 masputra * begin at an even boundary and that the packet consists of at most 86 741 masputra * two mblks. 87 741 masputra */ 88 741 masputra #define IP_ADJCKSUM_PARTIAL(cksum_start, mp, mp1, len, adj) { \ 89 741 masputra /* \ 90 741 masputra * Prepended extraneous data; adjust checksum. \ 91 741 masputra */ \ 92 741 masputra if ((len) > 0) \ 93 741 masputra (adj) = IP_BCSUM_PARTIAL(cksum_start, len, 0); \ 94 741 masputra else \ 95 741 masputra (adj) = 0; \ 96 741 masputra /* \ 97 741 masputra * len is now the total length of mblk(s) \ 98 741 masputra */ \ 99 741 masputra (len) = MBLKL(mp); \ 100 741 masputra if ((mp1) == NULL) \ 101 741 masputra (mp1) = (mp); \ 102 741 masputra else \ 103 741 masputra (len) += MBLKL(mp1); \ 104 741 masputra /* \ 105 741 masputra * Postpended extraneous data; adjust checksum. \ 106 741 masputra */ \ 107 741 masputra if (((len) = (DB_CKSUMEND(mp) - len)) > 0) { \ 108 741 masputra uint32_t _pad; \ 109 741 masputra \ 110 741 masputra _pad = IP_BCSUM_PARTIAL((mp1)->b_wptr, len, 0); \ 111 741 masputra /* \ 112 741 masputra * If the postpended extraneous data was odd \ 113 741 masputra * byte aligned, swap resulting checksum bytes. \ 114 741 masputra */ \ 115 741 masputra if ((uintptr_t)(mp1)->b_wptr & 1) \ 116 741 masputra (adj) += ((_pad << 8) & 0xFFFF) | (_pad >> 8); \ 117 741 masputra else \ 118 741 masputra (adj) += _pad; \ 119 741 masputra (adj) = ((adj) & 0xFFFF) + ((int)(adj) >> 16); \ 120 741 masputra } \ 121 741 masputra } 122 741 masputra 123 11042 Erik #define IS_SIMPLE_IPH(ipha) \ 124 11042 Erik ((ipha)->ipha_version_and_hdr_length == IP_SIMPLE_HDR_VERSION) 125 741 masputra 126 741 masputra /* 127 11042 Erik * Currently supported flags for LSO. 128 741 masputra */ 129 11042 Erik #define LSO_BASIC_TCP_IPV4 DLD_LSO_BASIC_TCP_IPV4 130 11042 Erik #define LSO_BASIC_TCP_IPV6 DLD_LSO_BASIC_TCP_IPV6 131 741 masputra 132 11042 Erik #define ILL_LSO_CAPABLE(ill) \ 133 11042 Erik (((ill)->ill_capabilities & ILL_CAPAB_LSO) != 0) 134 741 masputra 135 3115 yl150051 #define ILL_LSO_USABLE(ill) \ 136 3115 yl150051 (ILL_LSO_CAPABLE(ill) && \ 137 11042 Erik ill->ill_lso_capab != NULL) 138 3115 yl150051 139 11042 Erik #define ILL_LSO_TCP_IPV4_USABLE(ill) \ 140 3115 yl150051 (ILL_LSO_USABLE(ill) && \ 141 11042 Erik ill->ill_lso_capab->ill_lso_flags & LSO_BASIC_TCP_IPV4) 142 3115 yl150051 143 11042 Erik #define ILL_LSO_TCP_IPV6_USABLE(ill) \ 144 11042 Erik (ILL_LSO_USABLE(ill) && \ 145 11042 Erik ill->ill_lso_capab->ill_lso_flags & LSO_BASIC_TCP_IPV6) 146 741 masputra 147 11042 Erik #define ILL_ZCOPY_CAPABLE(ill) \ 148 11042 Erik (((ill)->ill_capabilities & ILL_CAPAB_ZEROCOPY) != 0) 149 741 masputra 150 11042 Erik #define ILL_ZCOPY_USABLE(ill) \ 151 11042 Erik (ILL_ZCOPY_CAPABLE(ill) && (ill->ill_zerocopy_capab != NULL) && \ 152 11042 Erik (ill->ill_zerocopy_capab->ill_zerocopy_flags != 0)) 153 741 masputra 154 741 masputra 155 8275 Eric /* Macro that follows definitions of flags for mac_tx() (see mac_client.h) */ 156 8275 Eric #define IP_DROP_ON_NO_DESC 0x01 /* Equivalent to MAC_DROP_ON_NO_DESC */ 157 741 masputra 158 8275 Eric #define ILL_DIRECT_CAPABLE(ill) \ 159 8275 Eric (((ill)->ill_capabilities & ILL_CAPAB_DLD_DIRECT) != 0) 160 8275 Eric 161 11042 Erik /* This macro is used by the mac layer */ 162 8275 Eric #define MBLK_RX_FANOUT_SLOWPATH(mp, ipha) \ 163 8275 Eric (DB_TYPE(mp) != M_DATA || DB_REF(mp) != 1 || !OK_32PTR(ipha) || \ 164 8275 Eric (((uchar_t *)ipha + IP_SIMPLE_HDR_LENGTH) >= (mp)->b_wptr)) 165 741 masputra 166 8023 Phil /* 167 8023 Phil * In non-global zone exclusive IP stacks, data structures such as IRE 168 8023 Phil * entries pretend that they're in the global zone. The following 169 8023 Phil * macro evaluates to the real zoneid instead of a pretend 170 8023 Phil * GLOBAL_ZONEID. 171 8023 Phil */ 172 8023 Phil #define IP_REAL_ZONEID(zoneid, ipst) \ 173 8023 Phil (((zoneid) == GLOBAL_ZONEID) ? \ 174 8023 Phil netstackid_to_zoneid((ipst)->ips_netstack->netstack_stackid) : \ 175 8023 Phil (zoneid)) 176 8023 Phil 177 8275 Eric extern void ill_flow_enable(void *, ip_mac_tx_cookie_t); 178 11042 Erik extern zoneid_t ip_get_zoneid_v4(ipaddr_t, mblk_t *, ip_recv_attr_t *, 179 11042 Erik zoneid_t); 180 8023 Phil extern zoneid_t ip_get_zoneid_v6(in6_addr_t *, mblk_t *, const ill_t *, 181 11042 Erik ip_recv_attr_t *, zoneid_t); 182 741 masputra 183 8348 Eric /* 184 8348 Eric * flag passed in by IP based protocols to get a private ip stream with 185 8348 Eric * no conn_t. Note this flag has the same value as SO_FALLBACK 186 8348 Eric */ 187 8348 Eric #define IP_HELPER_STR SO_FALLBACK 188 8348 Eric 189 8348 Eric #define IP_MOD_MINPSZ 1 190 8348 Eric #define IP_MOD_MAXPSZ INFPSZ 191 8348 Eric #define IP_MOD_HIWAT 65536 192 8348 Eric #define IP_MOD_LOWAT 1024 193 8348 Eric 194 8348 Eric #define DEV_IP "/devices/pseudo/ip@0:ip" 195 8348 Eric #define DEV_IP6 "/devices/pseudo/ip6@0:ip6" 196 8348 Eric 197 741 masputra #endif /* _KERNEL */ 198 741 masputra 199 741 masputra #ifdef __cplusplus 200 741 masputra } 201 741 masputra #endif 202 741 masputra 203 741 masputra #endif /* _INET_IP_IMPL_H */ 204
Indexes created Sat Nov 28 14:09:03 UTC 2009
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