packet.h

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    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  */
   25 
   26 #ifndef _PACKET_H
   27 #define _PACKET_H
   28 
   29 #include <sys/socket_impl.h>
   30 #include <net/if_arp.h>
   31 #include <net/bpf.h>
   32 
   33 /*
   34  * With which we do the reverse of what it libpcap does....
   35  */
   36 #define PACKET_OUTGOING         LINUX_SLL_OUTGOING
   37 #define PACKET_HOST             LINUX_SLL_HOST
   38 #define PACKET_BROADCAST        LINUX_SLL_BROADCAST
   39 #define PACKET_MULTICAST        LINUX_SLL_MULTICAST
   40 #define PACKET_OTHERHOST        LINUX_SLL_OTHERHOST
   41 
   42 #define PACKET_STATISTICS       1
   43 #define PACKET_ADD_MEMBERSHIP   2
   44 #define PACKET_DROP_MEMBERSHIP  3
   45 #define PACKET_AUXDATA          4
   46 
   47 
   48 struct packet_mreq {
   49         uint32_t        mr_ifindex;
   50         uint16_t        mr_type;
   51         uint16_t        mr_alen;
   52         uint8_t         mr_address[8];
   53 };
   54 
   55 #define PACKET_MR_MULTICAST     1
   56 #define PACKET_MR_PROMISC       2
   57 #define PACKET_MR_ALLMULTI      3
   58 
   59 typedef enum tpkt_status_e {
   60         TP_STATUS_KERNEL,
   61         TP_STATUS_USER,
   62         TP_STATUS_COPY,
   63         TP_STATUS_LOSING,
   64         TP_STATUS_CSUMNOTREADY
   65 } tpkt_status_t;
   66 
   67 struct tpacket_auxdata {                /* tp_macoff/tp_netoff ?? */
   68         tpkt_status_t   tp_status;
   69         uint32_t        tp_len;
   70         uint32_t        tp_snaplen;
   71         uint16_t        tp_macoff;
   72         uint16_t        tp_netoff;
   73         uint16_t        tp_vlan_vci;
   74 };
   75 
   76 struct tpacket_hdr {                    /* tp_macoff/tp_netoff ?? */
   77         uint64_t        tp_status;
   78         uint32_t        tp_len;
   79         uint32_t        tp_snaplen;
   80         uint16_t        tp_macoff;
   81         uint16_t        tp_netoff;
   82         uint32_t        tp_sec;
   83         uint32_t        tp_usec;
   84 };
   85 
   86 struct tpacket2_hdr {                   /* tp_macoff/tp_netoff ?? */
   87         tpkt_status_t   tp_status;
   88         uint32_t        tp_len;
   89         uint32_t        tp_snaplen;
   90         uint16_t        tp_macoff;
   91         uint16_t        tp_netoff;
   92         uint32_t        tp_sec;
   93         uint32_t        tp_nsec;
   94         uint16_t        tp_vlan_tci;
   95 };
   96 
   97 struct tpacket_stats {
   98         uint16_t        tp_packets;
   99         uint16_t        tp_drops;
  100 };
  101 
  102 struct sock_filter {                    /* Fields named from bpf_insn */
  103         uint16_t        code;
  104         uint8_t         jt;
  105         uint8_t         jf;
  106         uint32_t        k;
  107 };
  108 
  109 struct sock_fprog {
  110         uint16_t                len;
  111         struct sock_filter      *filter;
  112 };
  113 
  114 /*
  115  * Linux ARPHRD_ symbols needed...
  116  *
  117  * The numbers above 50000 are because their real value is unknown from
  118  * libpcap's source, so a number has been chosen that is unlikely to be
  119  * confused with the real one on Linux. Those that are already found in
  120  * Solaris inside <net/if_arp.h> may have a different value to that found
  121  * in Linux but it should be used instead as the Solaris value originates
  122  * from the IANA whereas the Linux values seem to ignore it.
  123  */
  124 /* ARPHRD_AX25                          see <net/if_arp.h> */
  125 /* ARPHRD_CHAOS                         see <net/if_arp.h> */
  126 #define ARPHRD_CSLIP                    50005
  127 #define ARPHRD_CSLIP6                   50006
  128 #define ARPHRD_DLCI                     15
  129 /* ARPHRD_EETHER                        see <net/if_arp.h> */
  130 /* ARPHRD_ETHER                         see <net/if_arp.h> */
  131 #define ARPHRD_FCAL                     785
  132 #define ARPHRD_FCFABRIC                 787
  133 #define ARPHRD_FCPL                     786
  134 #define ARPHRD_FCPP                     784
  135 #define ARPHRD_FRAD                     770
  136 #define ARPHRD_FDDI                     774
  137 /* ARPHRD_IEEE802                       see <net/if_arp.h> */
  138 #define ARPHRD_IEEE802_TR               800
  139 #define ARPHRD_IEEE80211                801
  140 #define ARPHRD_IEEE80211_PRISM          802
  141 #define ARPHRD_IEEE80211_RADIOTAP       803
  142 #define ARPHRD_IRDA                     783
  143 #define ARPHRD_LAPD                     8445
  144 #define ARPHRD_LOCALTLK                 50010
  145 #define ARPHRD_LOOPBACK                 50011
  146 /* ARPHRD_METRICOM                      see <net/if_arp.h> */
  147 #define ARPHRD_PRONET                   50013
  148 #define ARPHRD_PPP                      50014
  149 #define ARPHRD_RAWHDLC                  518
  150 #define ARPHRD_SIT                      776
  151 #define ARPHRD_SLIP6                    50015
  152 #define ARPHRD_SLIP                     50016
  153 /* ARPHRD_TUNNEL                        see <net/if_arp.h> */
  154 
  155 #define ETH_P_ALL                       0
  156 #define ETH_P_802_2                     0xaa    /* LSAP_SAP */
  157 #define ETH_P_803_3                     0
  158 #define ETH_P_IP                        0x800
  159 #define ETH_P_ARP                       0x806
  160 #define ETH_P_IPV6                      0x86dd
  161 
  162 #ifdef _KERNEL
  163 /*
  164  * PFP socket structure.
  165  */
  166 typedef struct pfpsock {
  167         struct bpf_program              ps_bpf;
  168         krwlock_t                       ps_bpflock;
  169         sock_upper_handle_t             ps_upper;
  170         sock_upcalls_t                  *ps_upcalls;
  171         mac_handle_t                    ps_mh;
  172         mac_client_handle_t             ps_mch;
  173         mac_promisc_handle_t            ps_phd;
  174         int                             ps_type;
  175         int                             ps_proto;
  176         uint_t                          ps_max_sdu;
  177         boolean_t                       ps_bound;
  178         mac_client_promisc_type_t       ps_promisc;
  179         boolean_t                       ps_auxdata;
  180         struct tpacket_stats            ps_stats;
  181         struct sockaddr                 ps_sock;
  182         datalink_id_t                   ps_linkid;
  183         kmutex_t                        ps_lock;
  184         boolean_t                       ps_flow_ctrld;
  185         ulong_t                         ps_flow_ctrl_drops;
  186 } pfpsock_t;
  187 
  188 typedef struct pfp_kstats_s {
  189         kstat_named_t   kp_recv_mac_hdr_fail;
  190         kstat_named_t   kp_recv_bad_proto;
  191         kstat_named_t   kp_recv_alloc_fail;
  192         kstat_named_t   kp_recv_ok;
  193         kstat_named_t   kp_recv_fail;
  194         kstat_named_t   kp_recv_filtered;
  195         kstat_named_t   kp_recv_flow_cntrld;
  196         kstat_named_t   kp_send_unbound;
  197         kstat_named_t   kp_send_failed;
  198         kstat_named_t   kp_send_too_big;
  199         kstat_named_t   kp_send_alloc_fail;
  200         kstat_named_t   kp_send_uiomove_fail;
  201         kstat_named_t   kp_send_no_memory;
  202         kstat_named_t   kp_send_open_fail;
  203         kstat_named_t   kp_send_wrong_family;
  204         kstat_named_t   kp_send_short_msg;
  205         kstat_named_t   kp_send_ok;
  206 } pfp_kstats_t;
  207 #endif /* _KERNEL */
  208 
  209 #endif /* _PACKET_H */

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FreeBSD/Linux Kernel Cross Reference sys/common/inet/sockmods/netpacket/packet.h

FreeBSD/Linux Kernel Cross Reference
sys/common/inet/sockmods/netpacket/packet.h