include/netpacket/packet.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
  24  * Copyright 2015 Joyent, Inc. All rights reserved.
  25  */
  26
  27 #ifndef _PACKET_H
  28 #define _PACKET_H
  29
  30 #include <sys/socket_impl.h>
  31 #include <net/if_arp.h>
  32 #include <net/bpf.h>
  33
  34 /*
  35  * With which we do the reverse of what it libpcap does....
  36  */
  37 #define PACKET_OUTGOING         LINUX_SLL_OUTGOING
  38 #define PACKET_HOST             LINUX_SLL_HOST
  39 #define PACKET_BROADCAST        LINUX_SLL_BROADCAST
  40 #define PACKET_MULTICAST        LINUX_SLL_MULTICAST
  41 #define PACKET_OTHERHOST        LINUX_SLL_OTHERHOST
  42
  43 #define PACKET_STATISTICS_SHORT 1
  44 #define PACKET_ADD_MEMBERSHIP   2
  45 #define PACKET_DROP_MEMBERSHIP  3
  46 #define PACKET_AUXDATA          4
  47 #define PACKET_STATISTICS       5
  48
  49
  50 struct packet_mreq {
  51         uint32_t        mr_ifindex;
  52         uint16_t        mr_type;
  53         uint16_t        mr_alen;
  54         uint8_t         mr_address[8];
  55 };
  56
  57 #define PACKET_MR_MULTICAST     1
  58 #define PACKET_MR_PROMISC       2
  59 #define PACKET_MR_ALLMULTI      3
  60
  61 typedef enum tpkt_status_e {
  62         TP_STATUS_KERNEL,
  63         TP_STATUS_USER,
  64         TP_STATUS_COPY,
  65         TP_STATUS_LOSING,
  66         TP_STATUS_CSUMNOTREADY
  67 } tpkt_status_t;
  68
  69 struct tpacket_auxdata {                /* tp_macoff/tp_netoff ?? */
  70         tpkt_status_t   tp_status;
  71         uint32_t        tp_len;
  72         uint32_t        tp_snaplen;
  73         uint16_t        tp_macoff;
  74         uint16_t        tp_netoff;
  75         uint16_t        tp_vlan_vci;
  76 };
  77
  78 struct tpacket_hdr {                    /* tp_macoff/tp_netoff ?? */
  79         uint64_t        tp_status;
  80         uint32_t        tp_len;
  81         uint32_t        tp_snaplen;
  82         uint16_t        tp_macoff;
  83         uint16_t        tp_netoff;
  84         uint32_t        tp_sec;
  85         uint32_t        tp_usec;
  86 };
  87
  88 struct tpacket2_hdr {                   /* tp_macoff/tp_netoff ?? */
  89         tpkt_status_t   tp_status;
  90         uint32_t        tp_len;
  91         uint32_t        tp_snaplen;
  92         uint16_t        tp_macoff;
  93         uint16_t        tp_netoff;
  94         uint32_t        tp_sec;
  95         uint32_t        tp_nsec;
  96         uint16_t        tp_vlan_tci;
  97 };
  98
  99 struct tpacket_stats {
 100         uint32_t        tp_packets;
 101         uint32_t        tp_drops;
 102 };
 103
 104 struct tpacket_stats_short {
 105         uint16_t        tp_packets;
 106         uint16_t        tp_drops;
 107 };
 108
 109 struct sock_filter {                    /* Fields named from bpf_insn */
 110         uint16_t        code;
 111         uint8_t         jt;
 112         uint8_t         jf;
 113         uint32_t        k;
 114 };
 115
 116 struct sock_fprog {
 117         uint16_t                len;
 118         struct sock_filter      *filter;
 119 };
 120
 121 /*
 122  * Linux ARPHRD_ symbols needed...
 123  *
 124  * The numbers above 50000 are because their real value is unknown from
 125  * libpcap's source, so a number has been chosen that is unlikely to be
 126  * confused with the real one on Linux. Those that are already found in
 127  * Solaris inside <net/if_arp.h> may have a different value to that found
 128  * in Linux but it should be used instead as the Solaris value originates
 129  * from the IANA whereas the Linux values seem to ignore it.
 130  */
 131 /* ARPHRD_AX25                          see <net/if_arp.h> */
 132 /* ARPHRD_CHAOS                         see <net/if_arp.h> */
 133 #define ARPHRD_CSLIP                    50005
 134 #define ARPHRD_CSLIP6                   50006
 135 #define ARPHRD_DLCI                     15
 136 /* ARPHRD_EETHER                        see <net/if_arp.h> */
 137 /* ARPHRD_ETHER                         see <net/if_arp.h> */
 138 #define ARPHRD_FCAL                     785
 139 #define ARPHRD_FCFABRIC                 787
 140 #define ARPHRD_FCPL                     786
 141 #define ARPHRD_FCPP                     784
 142 #define ARPHRD_FRAD                     770
 143 #define ARPHRD_FDDI                     774
 144 /* ARPHRD_IEEE802                       see <net/if_arp.h> */
 145 #define ARPHRD_IEEE802_TR               800
 146 #define ARPHRD_IEEE80211                801
 147 #define ARPHRD_IEEE80211_PRISM          802
 148 #define ARPHRD_IEEE80211_RADIOTAP       803
 149 #define ARPHRD_IRDA                     783
 150 #define ARPHRD_LAPD                     8445
 151 #define ARPHRD_LOCALTLK                 50010
 152 #define ARPHRD_LOOPBACK                 50011
 153 /* ARPHRD_METRICOM                      see <net/if_arp.h> */
 154 #define ARPHRD_PRONET                   50013
 155 #define ARPHRD_PPP                      50014
 156 #define ARPHRD_RAWHDLC                  518
 157 #define ARPHRD_SIT                      776
 158 #define ARPHRD_SLIP6                    50015
 159 #define ARPHRD_SLIP                     50016
 160 /* ARPHRD_TUNNEL                        see <net/if_arp.h> */
 161
 162 #define ETH_P_ALL                       0
 163 #define ETH_P_802_2                     0xaa    /* LSAP_SAP */
 164 #define ETH_P_803_3                     0
 165 #define ETH_P_IP                        0x800
 166 #define ETH_P_ARP                       0x806
 167 #define ETH_P_IPV6                      0x86dd
 168
 169 #ifdef _KERNEL
 170 /*
 171  * PFP socket structure.
 172  */
 173 typedef struct pfpsock {
 174         struct bpf_program              ps_bpf;
 175         krwlock_t                       ps_bpflock;
 176         sock_upper_handle_t             ps_upper;
 177         sock_upcalls_t                  *ps_upcalls;
 178         mac_handle_t                    ps_mh;
 179         mac_client_handle_t             ps_mch;
 180         mac_promisc_handle_t            ps_phd;
 181         int                             ps_type;
 182         int                             ps_proto;
 183         uint_t                          ps_max_sdu;
 184         boolean_t                       ps_bound;
 185         mac_client_promisc_type_t       ps_promisc;
 186         boolean_t                       ps_auxdata;
 187         struct tpacket_stats            ps_stats;
 188         struct sockaddr_ll              ps_sock;
 189         datalink_id_t                   ps_linkid;
 190         kmutex_t                        ps_lock;
 191         boolean_t                       ps_flow_ctrld;
 192         ulong_t                         ps_flow_ctrl_drops;
 193         timespec_t                      ps_timestamp;
 194         size_t                          ps_rcvbuf;
 195 } pfpsock_t;
 196
 197 typedef struct pfp_kstats_s {
 198         kstat_named_t   kp_recv_mac_hdr_fail;
 199         kstat_named_t   kp_recv_bad_proto;
 200         kstat_named_t   kp_recv_alloc_fail;
 201         kstat_named_t   kp_recv_ok;
 202         kstat_named_t   kp_recv_fail;
 203         kstat_named_t   kp_recv_filtered;
 204         kstat_named_t   kp_recv_flow_cntrld;
 205         kstat_named_t   kp_send_unbound;
 206         kstat_named_t   kp_send_failed;
 207         kstat_named_t   kp_send_too_big;
 208         kstat_named_t   kp_send_alloc_fail;
 209         kstat_named_t   kp_send_uiomove_fail;
 210         kstat_named_t   kp_send_no_memory;
 211         kstat_named_t   kp_send_open_fail;
 212         kstat_named_t   kp_send_wrong_family;
 213         kstat_named_t   kp_send_short_msg;
 214         kstat_named_t   kp_send_ok;
 215 } pfp_kstats_t;
 216 #endif /* _KERNEL */
 217
 218 #endif /* _PACKET_H */