diff options
Diffstat (limited to 'usr/src/uts/common/inet/ip6.h')
| -rw-r--r-- | usr/src/uts/common/inet/ip6.h | 202 |
1 files changed, 47 insertions, 155 deletions
diff --git a/usr/src/uts/common/inet/ip6.h b/usr/src/uts/common/inet/ip6.h index 5408ab9e55..10c6c81ba2 100644 --- a/usr/src/uts/common/inet/ip6.h +++ b/usr/src/uts/common/inet/ip6.h @@ -57,105 +57,12 @@ typedef enum { IP6_SCOPE_GLOBAL } in6addr_scope_t; -#ifdef _KERNEL +/* From RFC 3542 - setting for IPV6_USE_MIN_MTU socket option */ +#define IPV6_USE_MIN_MTU_MULTICAST -1 /* Default */ +#define IPV6_USE_MIN_MTU_NEVER 0 +#define IPV6_USE_MIN_MTU_ALWAYS 1 -/* - * Private header used between the transports and IP to carry the content - * of the options IPV6_PKTINFO/IPV6_RECVPKTINFO (the interface index only) - * and IPV6_NEXTHOP. - * Also used to specify that raw sockets do not want the UDP/TCP transport - * checksums calculated in IP (akin to IP_HDR_INCLUDED) and provide for - * IPV6_CHECKSUM on the transmit side (using ip6i_checksum_off). - * - * When this header is used it must be the first header in the packet i.e. - * before the real ip6 header. The use of a next header value of 255 - * (IPPROTO_RAW) in this header indicates its presence. Note that - * ip6_nxt = IPPROTO_RAW indicates that "this" header is ip6_info - the - * next header is always IPv6. - * - * Note that ip6i_nexthop is at the same offset as ip6_dst so that - * this header can be kept in the packet while the it passes through - * ip_newroute* and the ndp code. Those routines will use ip6_dst for - * resolution. - * - * Implementation offset assumptions about ip6_info_t and ip6_t fields - * and their alignments shown in figure below - * - * ip6_info (Private headers from transports to IP) header below - * _______________________________________________________________ _ _ _ _ _ - * | .... | ip6i_nxt (255)| ......................|ip6i_nexthop| ...ip6_t. - * --------------------------------------------------------------- - - - - - - * ^ ^ - * <---- >| same offset for {ip6i_nxt,ip6_nxt} ^ - * ^ ^ - * <------^-------------------------------------->| same offset for - * ^ ^ {ip6i_nxthop,ip6_dst} - * _______________________________________________________________ _ _ _ - * | .... | ip6_nxt | ......................|ip6_dst | .other hdrs... - * --------------------------------------------------------------- - - - - * ip6_t (IPv6 protocol) header above - */ -struct ip6_info { - union { - struct ip6_info_ctl { - uint32_t ip6i_un1_flow; - uint16_t ip6i_un1_plen; /* payload length */ - uint8_t ip6i_un1_nxt; /* next header */ - uint8_t ip6i_un1_hlim; /* hop limit */ - } ip6i_un1; - } ip6i_ctlun; - int ip6i_flags; /* See below */ - int ip6i_ifindex; - int ip6i_checksum_off; - int ip6i_pad; - in6_addr_t ip6i_nexthop; /* Same offset as ip6_dst */ -}; -typedef struct ip6_info ip6i_t; - -#define ip6i_flow ip6i_ctlun.ip6i_un1.ip6i_un1_flow -#define ip6i_vcf ip6i_flow /* Version, class, flow */ -#define ip6i_nxt ip6i_ctlun.ip6i_un1.ip6i_un1_nxt -#define ip6i_hops ip6i_ctlun.ip6i_un1.ip6i_un1_hlim - -/* ip6_info flags */ -#define IP6I_IFINDEX 0x1 /* ip6i_ifindex is set (to nonzero value) */ -#define IP6I_NEXTHOP 0x2 /* ip6i_nexthop is different than ip6_dst */ -#define IP6I_NO_ULP_CKSUM 0x4 - /* - * Do not generate TCP/UDP/SCTP transport checksum. - * Used by raw sockets. Does not affect the - * generation of transport checksums for ICMPv6 - * since such packets always arrive through - * a raw socket. - */ -#define IP6I_UNSPEC_SRC 0x8 - /* Used to carry conn_unspec_src through ip_newroute* */ -#define IP6I_RAW_CHECKSUM 0x10 - /* Compute checksum and stuff in ip6i_checksum_off */ -#define IP6I_VERIFY_SRC 0x20 /* Verify ip6_src. Used when IPV6_PKTINFO */ -#define IP6I_IPMP_PROBE 0x40 /* IPMP (in.mpathd) probe packet */ - /* 0x80 - 0x100 available */ -#define IP6I_DONTFRAG 0x200 /* Don't fragment this packet */ -#define IP6I_HOPLIMIT 0x400 /* hoplimit has been set by the sender */ - -/* - * These constants refer to the IPV6_USE_MIN_MTU API. The - * actually values used in the API are these values shifted down - * 10 bits minus 2 [-1, 1]. 0 (-2 after conversion) is considered - * the same as the default (-1). IP6I_API_USE_MIN_MTU(f, x) returns - * the flags field updated with min mtu. IP6I_USE_MIN_MTU_API takes the - * field and returns the API value (+ the -2 value). - */ -#define IP6I_USE_MIN_MTU_UNICAST 0x400 -#define IP6I_USE_MIN_MTU_ALWAYS 0x800 -#define IP6I_USE_MIN_MTU_NEVER 0xC00 -#define IP6I_USE_MIN_MTU_API(x) ((((x) & 0xC00) >> 10) - 2) -#define IP6I_API_USE_MIN_MTU(f, x) (((f) & ~0xC00) &\ - ((((x) + 2) & 0x3) << 11)) -#define IPV6_USE_MIN_MTU_DEFAULT -2 -#define IPV6_USE_MIN_MTU_UNICAST -1 -#define IPV6_USE_MIN_MTU_ALWAYS 0 -#define IPV6_USE_MIN_MTU_NEVER 1 +#ifdef _KERNEL /* Extract the scope from a multicast address */ #ifdef _BIG_ENDIAN @@ -195,28 +102,18 @@ typedef struct ip6_info ip6i_t; #define MIN_EHDR_LEN 8 #define MAX_EHDR_LEN 2048 -/* - * The high-order bit of the version field is used by the transports to - * indicate a reachability confirmation to IP. - */ -#define IP_FORWARD_PROG_BIT 0x8 - #ifdef _BIG_ENDIAN #define IPV6_DEFAULT_VERS_AND_FLOW 0x60000000 #define IPV6_VERS_AND_FLOW_MASK 0xF0000000 -#define IP_FORWARD_PROG ((uint32_t)IP_FORWARD_PROG_BIT << 28) #define V6_MCAST 0xFF000000 #define V6_LINKLOCAL 0xFE800000 #define IPV6_FLOW_TCLASS(x) (((x) & IPV6_FLOWINFO_TCLASS) >> 20) #define IPV6_TCLASS_FLOW(f, c) (((f) & ~IPV6_FLOWINFO_TCLASS) |\ ((c) << 20)) - #else #define IPV6_DEFAULT_VERS_AND_FLOW 0x00000060 #define IPV6_VERS_AND_FLOW_MASK 0x000000F0 -#define IP_FORWARD_PROG ((uint32_t)IP_FORWARD_PROG_BIT << 4) - #define V6_MCAST 0x000000FF #define V6_LINKLOCAL 0x000080FE @@ -328,71 +225,66 @@ extern const in6_addr_t ipv6_unspecified_group; * FUNCTION PROTOTYPES */ -struct ipsec_out_s; - extern void convert2ascii(char *buf, const in6_addr_t *addr); extern char *inet_ntop(int, const void *, char *, int); extern int inet_pton(int, char *, void *); -extern void icmp_time_exceeded_v6(queue_t *, mblk_t *, uint8_t, - boolean_t, boolean_t, zoneid_t, ip_stack_t *); -extern void icmp_unreachable_v6(queue_t *, mblk_t *, uint8_t, - boolean_t, boolean_t, zoneid_t, ip_stack_t *); -extern void icmp_inbound_error_fanout_v6(queue_t *, mblk_t *, ip6_t *, - icmp6_t *, ill_t *, ill_t *, boolean_t, zoneid_t); -extern boolean_t conn_wantpacket_v6(conn_t *, ill_t *, ip6_t *, int, zoneid_t); -extern mblk_t *ip_add_info_v6(mblk_t *, ill_t *, const in6_addr_t *); +extern void icmp_param_problem_nexthdr_v6(mblk_t *, boolean_t, + ip_recv_attr_t *); +extern void icmp_pkt2big_v6(mblk_t *, uint32_t, boolean_t, + ip_recv_attr_t *); +extern void icmp_time_exceeded_v6(mblk_t *, uint8_t, boolean_t, + ip_recv_attr_t *); +extern void icmp_unreachable_v6(mblk_t *, uint8_t, boolean_t, + ip_recv_attr_t *); +extern mblk_t *icmp_inbound_v6(mblk_t *, ip_recv_attr_t *); +extern void icmp_inbound_error_fanout_v6(mblk_t *, icmp6_t *, + ip_recv_attr_t *); +extern void icmp_update_out_mib_v6(ill_t *, icmp6_t *); + +extern boolean_t conn_wantpacket_v6(conn_t *, ip_recv_attr_t *, ip6_t *); + extern in6addr_scope_t ip_addr_scope_v6(const in6_addr_t *); -extern mblk_t *ip_bind_v6(queue_t *, mblk_t *, conn_t *, ip6_pkt_t *); -extern void ip_build_hdrs_v6(uchar_t *, uint_t, ip6_pkt_t *, uint8_t); -extern int ip_fanout_send_icmp_v6(queue_t *, mblk_t *, uint_t, - uint_t, uint8_t, uint_t, boolean_t, zoneid_t, ip_stack_t *); -extern int ip_find_hdr_v6(mblk_t *, ip6_t *, ip6_pkt_t *, uint8_t *); -extern in6_addr_t ip_get_dst_v6(ip6_t *, mblk_t *, boolean_t *); +extern void ip_build_hdrs_v6(uchar_t *, uint_t, const ip_pkt_t *, uint8_t, + uint32_t); +extern void ip_fanout_udp_multi_v6(mblk_t *, ip6_t *, uint16_t, uint16_t, + ip_recv_attr_t *); +extern void ip_fanout_send_icmp_v6(mblk_t *, uint_t, uint8_t, + ip_recv_attr_t *); +extern void ip_fanout_proto_v6(mblk_t *, ip6_t *, ip_recv_attr_t *); +extern int ip_find_hdr_v6(mblk_t *, ip6_t *, boolean_t, ip_pkt_t *, + uint8_t *); +extern in6_addr_t ip_get_dst_v6(ip6_t *, const mblk_t *, boolean_t *); extern ip6_rthdr_t *ip_find_rthdr_v6(ip6_t *, uint8_t *); -extern int ip_hdr_complete_v6(ip6_t *, zoneid_t, ip_stack_t *); extern boolean_t ip_hdr_length_nexthdr_v6(mblk_t *, ip6_t *, uint16_t *, uint8_t **); extern int ip_hdr_length_v6(mblk_t *, ip6_t *); -extern int ip_check_v6_mblk(mblk_t *, ill_t *); extern uint32_t ip_massage_options_v6(ip6_t *, ip6_rthdr_t *, netstack_t *); -extern void ip_wput_frag_v6(mblk_t *, ire_t *, uint_t, conn_t *, int, int); -extern void ip_wput_ipsec_out_v6(queue_t *, mblk_t *, ip6_t *, ill_t *, - ire_t *); -extern int ip_total_hdrs_len_v6(ip6_pkt_t *); +extern void ip_forward_xmit_v6(nce_t *, mblk_t *, ip6_t *, ip_recv_attr_t *, + uint32_t, uint32_t); +extern mblk_t *ip_fraghdr_add_v6(mblk_t *, uint32_t, ip_xmit_attr_t *); +extern int ip_fragment_v6(mblk_t *, nce_t *, iaflags_t, uint_t, uint32_t, + uint32_t, zoneid_t, zoneid_t, pfirepostfrag_t postfragfn, + uintptr_t *ixa_cookie); +extern int ip_process_options_v6(mblk_t *, ip6_t *, + uint8_t *, uint_t, uint8_t, ip_recv_attr_t *); +extern void ip_process_rthdr(mblk_t *, ip6_t *, ip6_rthdr_t *, + ip_recv_attr_t *); +extern int ip_total_hdrs_len_v6(const ip_pkt_t *); +extern mblk_t *ipsec_early_ah_v6(mblk_t *, ip_recv_attr_t *); extern int ipsec_ah_get_hdr_size_v6(mblk_t *, boolean_t); -extern void ip_wput_v6(queue_t *, mblk_t *); -extern void ip_wput_local_v6(queue_t *, ill_t *, ip6_t *, mblk_t *, - ire_t *, int, zoneid_t); -extern void ip_output_v6(void *, mblk_t *, void *, int); -extern void ip_xmit_v6(mblk_t *, ire_t *, uint_t, conn_t *, int, - struct ipsec_out_s *); +extern void ip_send_potential_redirect_v6(mblk_t *, ip6_t *, ire_t *, + ip_recv_attr_t *); extern void ip_rput_v6(queue_t *, mblk_t *); -extern void ip_rput_data_v6(queue_t *, ill_t *, mblk_t *, ip6_t *, - uint_t, mblk_t *, mblk_t *); -extern void mld_input(queue_t *, mblk_t *, ill_t *); +extern mblk_t *mld_input(mblk_t *, ip_recv_attr_t *); extern void mld_joingroup(ilm_t *); extern void mld_leavegroup(ilm_t *); extern void mld_timeout_handler(void *); extern void pr_addr_dbg(char *, int, const void *); -extern int ip_multirt_apply_membership_v6(int (*fn)(conn_t *, boolean_t, - const in6_addr_t *, int, mcast_record_t, const in6_addr_t *, mblk_t *), - ire_t *, conn_t *, boolean_t, const in6_addr_t *, mcast_record_t, - const in6_addr_t *, mblk_t *); -extern void ip_newroute_ipif_v6(queue_t *, mblk_t *, ipif_t *, - const in6_addr_t *, const in6_addr_t *, int, zoneid_t); -extern void ip_newroute_v6(queue_t *, mblk_t *, const in6_addr_t *, - const in6_addr_t *, ill_t *, zoneid_t, ip_stack_t *); extern void *ip6_kstat_init(netstackid_t, ip6_stat_t *); extern void ip6_kstat_fini(netstackid_t, kstat_t *); -extern size_t ip6_get_src_preferences(conn_t *, uint32_t *); -extern int ip6_set_src_preferences(conn_t *, uint32_t); -extern int ip6_set_pktinfo(cred_t *, conn_t *, struct in6_pktinfo *); -extern int ip_proto_bind_laddr_v6(conn_t *, mblk_t **, uint8_t, - const in6_addr_t *, uint16_t, boolean_t); -extern int ip_proto_bind_connected_v6(conn_t *, mblk_t **, - uint8_t, in6_addr_t *, uint16_t, const in6_addr_t *, ip6_pkt_t *, - uint16_t, boolean_t, boolean_t, cred_t *); +extern size_t ip6_get_src_preferences(ip_xmit_attr_t *, uint32_t *); +extern int ip6_set_src_preferences(ip_xmit_attr_t *, uint32_t); #endif /* _KERNEL */ |