/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _INET_IPCLASSIFIER_H
#define _INET_IPCLASSIFIER_H
#ifdef __cplusplus
extern "C" {
#endif
#include <inet/common.h>
#include <inet/ip.h>
#include <inet/mi.h>
#include <inet/tcp.h>
#include <inet/ip6.h>
#include <netinet/in.h> /* for IPPROTO_* constants */
#include <sys/sdt.h>
#include <sys/socket_proto.h>
#include <sys/sunddi.h>
#include <sys/sunldi.h>
typedef void (*edesc_rpf)(void *, mblk_t *, void *, ip_recv_attr_t *);
struct icmph_s;
struct icmp6_hdr;
typedef boolean_t (*edesc_vpf)(conn_t *, void *, struct icmph_s *,
struct icmp6_hdr *, ip_recv_attr_t *);
/*
* ==============================
* = The CONNECTION =
* ==============================
*/
/*
* The connection structure contains the common information/flags/ref needed.
* Implementation will keep the connection struct, the layers (with their
* respective data for event i.e. tcp_t if event was tcp_input_data) all in one
* contiguous memory location.
*/
/* Conn Flags */
/* Unused 0x00020000 */
/* Unused 0x00040000 */
#define IPCL_FULLY_BOUND 0x00080000 /* Bound to correct squeue */
/* Unused 0x00100000 */
/* Unused 0x00200000 */
/* Unused 0x00400000 */
#define IPCL_CL_LISTENER 0x00800000 /* Cluster listener */
/* Unused 0x01000000 */
/* Unused 0x02000000 */
/* Unused 0x04000000 */
/* Unused 0x08000000 */
/* Unused 0x10000000 */
/* Unused 0x20000000 */
#define IPCL_CONNECTED 0x40000000 /* Conn in connected table */
#define IPCL_BOUND 0x80000000 /* Conn in bind table */
/* Flags identifying the type of conn */
#define IPCL_TCPCONN 0x00000001 /* From tcp_conn_cache */
#define IPCL_SCTPCONN 0x00000002 /* From sctp_conn_cache */
#define IPCL_IPCCONN 0x00000004 /* From ip_conn_cache */
#define IPCL_UDPCONN 0x00000008 /* From udp_conn_cache */
#define IPCL_RAWIPCONN 0x00000010 /* From rawip_conn_cache */
#define IPCL_RTSCONN 0x00000020 /* From rts_conn_cache */
/* Unused 0x00000040 */
#define IPCL_IPTUN 0x00000080 /* iptun module above us */
#define IPCL_NONSTR 0x00001000 /* A non-STREAMS socket */
/* Unused 0x10000000 */
#define IPCL_REMOVED 0x00000100
#define IPCL_REUSED 0x00000200
#define IPCL_IS_CONNECTED(connp) \
((connp)->conn_flags & IPCL_CONNECTED)
#define IPCL_IS_BOUND(connp) \
((connp)->conn_flags & IPCL_BOUND)
/*
* Can't use conn_proto since we need to tell difference
* between a real TCP socket and a SOCK_RAW, IPPROTO_TCP.
*/
#define IPCL_IS_TCP(connp) \
((connp)->conn_flags & IPCL_TCPCONN)
#define IPCL_IS_SCTP(connp) \
((connp)->conn_flags & IPCL_SCTPCONN)
#define IPCL_IS_UDP(connp) \
((connp)->conn_flags & IPCL_UDPCONN)
#define IPCL_IS_RAWIP(connp) \
((connp)->conn_flags & IPCL_RAWIPCONN)
#define IPCL_IS_RTS(connp) \
((connp)->conn_flags & IPCL_RTSCONN)
#define IPCL_IS_IPTUN(connp) \
((connp)->conn_flags & IPCL_IPTUN)
#define IPCL_IS_NONSTR(connp) ((connp)->conn_flags & IPCL_NONSTR)
typedef struct connf_s connf_t;
typedef struct
{
int ctb_depth;
#define CONN_STACK_DEPTH 15
pc_t ctb_stack[CONN_STACK_DEPTH];
} conn_trace_t;
typedef struct ip_helper_minor_info_s {
dev_t ip_minfo_dev; /* Device */
vmem_t *ip_minfo_arena; /* Arena */
} ip_helper_minfo_t;
/*
* ip helper stream info
*/
typedef struct ip_helper_stream_info_s {
ldi_handle_t iphs_handle;
queue_t *iphs_rq;
queue_t *iphs_wq;
ip_helper_minfo_t *iphs_minfo;
} ip_helper_stream_info_t;
/*
* Mandatory Access Control mode, in conn_t's conn_mac_mode field.
* CONN_MAC_DEFAULT: strict enforcement of MAC.
* CONN_MAC_AWARE: allows communications between unlabeled systems
* and privileged daemons
* CONN_MAC_IMPLICIT: allows communications without explicit labels
* on the wire with privileged daemons.
*
* CONN_MAC_IMPLICIT is intended specifically for labeled IPsec key management
* in networks which don't pass CIPSO-labeled packets.
*/
#define CONN_MAC_DEFAULT 0
#define CONN_MAC_AWARE 1
#define CONN_MAC_IMPLICIT 2
/*
* conn receive ancillary definition.
*
* These are the set of socket options that make the receive side
* potentially pass up ancillary data items.
* We have a union with an integer so that we can quickly check whether
* any ancillary data items need to be added.
*/
typedef struct crb_s {
union {
uint32_t crbu_all;
struct {
uint32_t
crbb_recvdstaddr : 1, /* IP_RECVDSTADDR option */
crbb_recvopts : 1, /* IP_RECVOPTS option */
crbb_recvif : 1, /* IP_RECVIF option */
crbb_recvslla : 1, /* IP_RECVSLLA option */
crbb_recvttl : 1, /* IP_RECVTTL option */
crbb_ip_recvpktinfo : 1, /* IP*_RECVPKTINFO option */
crbb_ipv6_recvhoplimit : 1, /* IPV6_RECVHOPLIMIT option */
crbb_ipv6_recvhopopts : 1, /* IPV6_RECVHOPOPTS option */
crbb_ipv6_recvdstopts : 1, /* IPV6_RECVDSTOPTS option */
crbb_ipv6_recvrthdr : 1, /* IPV6_RECVRTHDR option */
crbb_old_ipv6_recvdstopts : 1, /* old form of IPV6_DSTOPTS */
crbb_ipv6_recvrthdrdstopts : 1, /* IPV6_RECVRTHDRDSTOPTS */
crbb_ipv6_recvtclass : 1, /* IPV6_RECVTCLASS */
crbb_recvucred : 1, /* IP_RECVUCRED option */
crbb_timestamp : 1; /* SO_TIMESTAMP "socket" option */
} crbb;
} crbu;
} crb_t;
#define crb_all crbu.crbu_all
#define crb_recvdstaddr crbu.crbb.crbb_recvdstaddr
#define crb_recvopts crbu.crbb.crbb_recvopts
#define crb_recvif crbu.crbb.crbb_recvif
#define crb_recvslla crbu.crbb.crbb_recvslla
#define crb_recvttl crbu.crbb.crbb_recvttl
#define crb_ip_recvpktinfo crbu.crbb.crbb_ip_recvpktinfo
#define crb_ipv6_recvhoplimit crbu.crbb.crbb_ipv6_recvhoplimit
#define crb_ipv6_recvhopopts crbu.crbb.crbb_ipv6_recvhopopts
#define crb_ipv6_recvdstopts crbu.crbb.crbb_ipv6_recvdstopts
#define crb_ipv6_recvrthdr crbu.crbb.crbb_ipv6_recvrthdr
#define crb_old_ipv6_recvdstopts crbu.crbb.crbb_old_ipv6_recvdstopts
#define crb_ipv6_recvrthdrdstopts crbu.crbb.crbb_ipv6_recvrthdrdstopts
#define crb_ipv6_recvtclass crbu.crbb.crbb_ipv6_recvtclass
#define crb_recvucred crbu.crbb.crbb_recvucred
#define crb_timestamp crbu.crbb.crbb_timestamp
/*
* The initial fields in the conn_t are setup by the kmem_cache constructor,
* and are preserved when it is freed. Fields after that are bzero'ed when
* the conn_t is freed.
*
* Much of the conn_t is protected by conn_lock.
*
* conn_lock is also used by some ULPs (like UDP and RAWIP) to protect
* their state.
*/
struct conn_s {
kmutex_t conn_lock;
uint32_t conn_ref; /* Reference counter */
uint32_t conn_flags; /* Conn Flags */
union {
tcp_t *cp_tcp; /* Pointer to the tcp struct */
struct udp_s *cp_udp; /* Pointer to the udp struct */
struct icmp_s *cp_icmp; /* Pointer to rawip struct */
struct rts_s *cp_rts; /* Pointer to rts struct */
struct iptun_s *cp_iptun; /* Pointer to iptun_t */
struct sctp_s *cp_sctp; /* For IPCL_SCTPCONN */
void *cp_priv;
} conn_proto_priv;
#define conn_tcp conn_proto_priv.cp_tcp
#define conn_udp conn_proto_priv.cp_udp
#define conn_icmp conn_proto_priv.cp_icmp
#define conn_rts conn_proto_priv.cp_rts
#define conn_iptun conn_proto_priv.cp_iptun
#define conn_sctp conn_proto_priv.cp_sctp
#define conn_priv conn_proto_priv.cp_priv
kcondvar_t conn_cv;
uint8_t conn_proto; /* protocol type */
edesc_rpf conn_recv; /* Pointer to recv routine */
edesc_rpf conn_recvicmp; /* For ICMP error */
edesc_vpf conn_verifyicmp; /* Verify ICMP error */
ip_xmit_attr_t *conn_ixa; /* Options if no ancil data */
/* Fields after this are bzero'ed when the conn_t is freed. */
#define conn_start_clr conn_recv_ancillary
/* Options for receive-side ancillary data */
crb_t conn_recv_ancillary;
squeue_t *conn_sqp; /* Squeue for processing */
uint_t conn_state_flags; /* IP state flags */
int conn_lingertime; /* linger time (in seconds) */
unsigned int
conn_on_sqp : 1, /* Conn is being processed */
conn_linger : 1, /* SO_LINGER state */
conn_useloopback : 1, /* SO_USELOOPBACK state */
conn_broadcast : 1, /* SO_BROADCAST state */
conn_reuseaddr : 1, /* SO_REUSEADDR state */
conn_keepalive : 1, /* SO_KEEPALIVE state */
conn_multi_router : 1, /* Wants all multicast pkts */
conn_unspec_src : 1, /* IP_UNSPEC_SRC */
conn_policy_cached : 1, /* Is policy cached/latched ? */
conn_in_enforce_policy : 1, /* Enforce Policy on inbound */
conn_out_enforce_policy : 1, /* Enforce Policy on outbound */
conn_debug : 1, /* SO_DEBUG */
conn_ipv6_v6only : 1, /* IPV6_V6ONLY */
conn_oobinline : 1, /* SO_OOBINLINE state */
conn_dgram_errind : 1, /* SO_DGRAM_ERRIND state */
conn_exclbind : 1, /* SO_EXCLBIND state */
conn_mdt_ok : 1, /* MDT is permitted */
conn_allzones : 1, /* SO_ALLZONES */
conn_ipv6_recvpathmtu : 1, /* IPV6_RECVPATHMTU */
conn_mcbc_bind : 1, /* Bound to multi/broadcast */
conn_pad_to_bit_31 : 12;
boolean_t conn_blocked; /* conn is flow-controlled */
squeue_t *conn_initial_sqp; /* Squeue at open time */
squeue_t *conn_final_sqp; /* Squeue after connect */
ill_t *conn_dhcpinit_ill; /* IP_DHCPINIT_IF */
ipsec_latch_t *conn_latch; /* latched IDS */
struct ipsec_policy_s *conn_latch_in_policy; /* latched policy (in) */
struct ipsec_action_s *conn_latch_in_action; /* latched action (in) */
uint_t conn_bound_if; /* IP*_BOUND_IF */
queue_t *conn_rq; /* Read queue */
queue_t *conn_wq; /* Write queue */
dev_t conn_dev; /* Minor number */
vmem_t *conn_minor_arena; /* Minor arena */
ip_helper_stream_info_t *conn_helper_info;
cred_t *conn_cred; /* Credentials */
pid_t conn_cpid; /* pid from open/connect */
uint64_t conn_open_time; /* time when this was opened */
connf_t *conn_g_fanout; /* Global Hash bucket head */
struct conn_s *conn_g_next; /* Global Hash chain next */
struct conn_s *conn_g_prev; /* Global Hash chain prev */
struct ipsec_policy_head_s *conn_policy; /* Configured policy */
in6_addr_t conn_bound_addr_v6; /* Address in bind() */
#define conn_bound_addr_v4 V4_PART_OF_V6(conn_bound_addr_v6)
connf_t *conn_fanout; /* Hash bucket we're part of */
struct conn_s *conn_next; /* Hash chain next */
struct conn_s *conn_prev; /* Hash chain prev */
struct {
in6_addr_t connua_laddr; /* Local address - match */
in6_addr_t connua_faddr; /* Remote address */
} connua_v6addr;
#define conn_laddr_v4 V4_PART_OF_V6(connua_v6addr.connua_laddr)
#define conn_faddr_v4 V4_PART_OF_V6(connua_v6addr.connua_faddr)
#define conn_laddr_v6 connua_v6addr.connua_laddr
#define conn_faddr_v6 connua_v6addr.connua_faddr
in6_addr_t conn_saddr_v6; /* Local address - source */
#define conn_saddr_v4 V4_PART_OF_V6(conn_saddr_v6)
union {
/* Used for classifier match performance */
uint32_t connu_ports2;
struct {
in_port_t connu_fport; /* Remote port */
in_port_t connu_lport; /* Local port */
} connu_ports;
} u_port;
#define conn_fport u_port.connu_ports.connu_fport
#define conn_lport u_port.connu_ports.connu_lport
#define conn_ports u_port.connu_ports2
uint_t conn_incoming_ifindex; /* IP{,V6}_BOUND_IF, scopeid */
ill_t *conn_oper_pending_ill; /* pending shared ioctl */
krwlock_t conn_ilg_lock; /* Protects conn_ilg_* */
ilg_t *conn_ilg; /* Group memberships */
kcondvar_t conn_refcv; /* For conn_oper_pending_ill */
struct conn_s *conn_drain_next; /* Next conn in drain list */
struct conn_s *conn_drain_prev; /* Prev conn in drain list */
idl_t *conn_idl; /* Ptr to the drain list head */
mblk_t *conn_ipsec_opt_mp; /* ipsec option mblk */
zoneid_t conn_zoneid; /* zone connection is in */
int conn_rtaware; /* RT_AWARE sockopt value */
kcondvar_t conn_sq_cv; /* For non-STREAMS socket IO */
sock_upcalls_t *conn_upcalls; /* Upcalls to sockfs */
sock_upper_handle_t conn_upper_handle; /* Upper handle: sonode * */
unsigned int
conn_mlp_type : 2, /* mlp_type_t; tsol/tndb.h */
conn_anon_mlp : 1, /* user wants anon MLP */
conn_anon_port : 1, /* user bound anonymously */
conn_mac_mode : 2, /* normal/loose/implicit MAC */
conn_anon_priv_bind : 1, /* *_ANON_PRIV_BIND state */
conn_zone_is_global : 1, /* GLOBAL_ZONEID */
conn_isvrrp : 1, /* VRRP control socket */
conn_spare : 23;
boolean_t conn_flow_cntrld;
netstack_t *conn_netstack; /* Corresponds to a netstack_hold */
/*
* IP format that packets received for this struct should use.
* Value can be IP4_VERSION or IPV6_VERSION.
* The sending version is encoded using IXAF_IS_IPV4.
*/
ushort_t conn_ipversion;
/* Written to only once at the time of opening the endpoint */
sa_family_t conn_family; /* Family from socket() call */
uint_t conn_so_type; /* Type from socket() call */
uint_t conn_sndbuf; /* SO_SNDBUF state */
uint_t conn_rcvbuf; /* SO_RCVBUF state */
uint_t conn_wroff; /* Current write offset */
uint_t conn_sndlowat; /* Send buffer low water mark */
uint_t conn_rcvlowat; /* Recv buffer low water mark */
uint8_t conn_default_ttl; /* Default TTL/hoplimit */
uint32_t conn_flowinfo; /* Connected flow id and tclass */
/*
* The most recent address for sendto. Initially set to zero
* which is always different than then the destination address
* since the send interprets zero as the loopback address.
*/
in6_addr_t conn_v6lastdst;
#define conn_v4lastdst V4_PART_OF_V6(conn_v6lastdst)
ushort_t conn_lastipversion;
in_port_t conn_lastdstport;
uint32_t conn_lastflowinfo; /* IPv6-only */
uint_t conn_lastscopeid; /* IPv6-only */
uint_t conn_lastsrcid; /* Only for AF_INET6 */
/*
* When we are not connected conn_saddr might be unspecified.
* We track the source that was used with conn_v6lastdst here.
*/
in6_addr_t conn_v6lastsrc;
#define conn_v4lastsrc V4_PART_OF_V6(conn_v6lastsrc)
/* Templates for transmitting packets */
ip_pkt_t conn_xmit_ipp; /* Options if no ancil data */
/*
* Header template - conn_ht_ulp is a pointer into conn_ht_iphc.
* Note that ixa_ip_hdr_length indicates the offset of ht_ulp in
* ht_iphc
*
* The header template is maintained for connected endpoints (and
* updated when sticky options are changed) and also for the lastdst.
* There is no conflict between those usages since SOCK_DGRAM and
* SOCK_RAW can not be used to specify a destination address (with
* sendto/sendmsg) if the socket has been connected.
*/
uint8_t *conn_ht_iphc; /* Start of IP header */
uint_t conn_ht_iphc_allocated; /* Allocated buffer size */
uint_t conn_ht_iphc_len; /* IP+ULP size */
uint8_t *conn_ht_ulp; /* Upper-layer header */
uint_t conn_ht_ulp_len; /* ULP header len */
/* Checksum to compensate for source routed packets. Host byte order */
uint32_t conn_sum;
uint32_t conn_ioctlref; /* ioctl ref count */
#ifdef CONN_DEBUG
#define CONN_TRACE_MAX 10
int conn_trace_last; /* ndx of last used tracebuf */
conn_trace_t conn_trace_buf[CONN_TRACE_MAX];
#endif
};
/*
* connf_t - connection fanout data.
*
* The hash tables and their linkage (conn_t.{hashnextp, hashprevp} are
* protected by the per-bucket lock. Each conn_t inserted in the list
* points back at the connf_t that heads the bucket.
*/
struct connf_s {
struct conn_s *connf_head;
kmutex_t connf_lock;
};
#define CONN_INC_REF(connp) { \
mutex_enter(&(connp)->conn_lock); \
DTRACE_PROBE1(conn__inc__ref, conn_t *, connp); \
ASSERT(conn_trace_ref(connp)); \
(connp)->conn_ref++; \
ASSERT((connp)->conn_ref != 0); \
mutex_exit(&(connp)->conn_lock); \
}
#define CONN_INC_REF_LOCKED(connp) { \
DTRACE_PROBE1(conn__inc__ref, conn_t *, connp); \
ASSERT(MUTEX_HELD(&(connp)->conn_lock)); \
ASSERT(conn_trace_ref(connp)); \
(connp)->conn_ref++; \
ASSERT((connp)->conn_ref != 0); \
}
#define CONN_DEC_REF(connp) { \
mutex_enter(&(connp)->conn_lock); \
DTRACE_PROBE1(conn__dec__ref, conn_t *, connp); \
/* \
* The squeue framework always does a CONN_DEC_REF after return \
* from TCP. Hence the refcnt must be at least 2 if conn_on_sqp \
* is B_TRUE and conn_ref is being decremented. This is to \
* account for the mblk being currently processed. \
*/ \
if ((connp)->conn_ref == 0 || \
((connp)->conn_ref == 1 && (connp)->conn_on_sqp)) \
cmn_err(CE_PANIC, "CONN_DEC_REF: connp(%p) has ref " \
"= %d\n", (void *)(connp), (connp)->conn_ref); \
ASSERT(conn_untrace_ref(connp)); \
(connp)->conn_ref--; \
if ((connp)->conn_ref == 0) { \
/* Refcnt can't increase again, safe to drop lock */ \
mutex_exit(&(connp)->conn_lock); \
ipcl_conn_destroy(connp); \
} else { \
cv_broadcast(&(connp)->conn_cv); \
mutex_exit(&(connp)->conn_lock); \
} \
}
/*
* For use with subsystems within ip which use ALL_ZONES as a wildcard
*/
#define IPCL_ZONEID(connp) \
((connp)->conn_allzones ? ALL_ZONES : (connp)->conn_zoneid)
/*
* For matching between a conn_t and a zoneid.
*/
#define IPCL_ZONE_MATCH(connp, zoneid) \
(((connp)->conn_allzones) || \
((zoneid) == ALL_ZONES) || \
(connp)->conn_zoneid == (zoneid))
/*
* On a labeled system, we must treat bindings to ports
* on shared IP addresses by sockets with MAC exemption
* privilege as being in all zones, as there's
* otherwise no way to identify the right receiver.
*/
#define IPCL_CONNS_MAC(conn1, conn2) \
(((conn1)->conn_mac_mode != CONN_MAC_DEFAULT) || \
((conn2)->conn_mac_mode != CONN_MAC_DEFAULT))
#define IPCL_BIND_ZONE_MATCH(conn1, conn2) \
(IPCL_CONNS_MAC(conn1, conn2) || \
IPCL_ZONE_MATCH(conn1, conn2->conn_zoneid) || \
IPCL_ZONE_MATCH(conn2, conn1->conn_zoneid))
#define _IPCL_V4_MATCH(v6addr, v4addr) \
(V4_PART_OF_V6((v6addr)) == (v4addr) && IN6_IS_ADDR_V4MAPPED(&(v6addr)))
#define _IPCL_V4_MATCH_ANY(addr) \
(IN6_IS_ADDR_V4MAPPED_ANY(&(addr)) || IN6_IS_ADDR_UNSPECIFIED(&(addr)))
/*
* IPCL_PROTO_MATCH() and IPCL_PROTO_MATCH_V6() only matches conns with
* the specified ira_zoneid or conn_allzones by calling conn_wantpacket.
*/
#define IPCL_PROTO_MATCH(connp, ira, ipha) \
((((connp)->conn_laddr_v4 == INADDR_ANY) || \
(((connp)->conn_laddr_v4 == ((ipha)->ipha_dst)) && \
(((connp)->conn_faddr_v4 == INADDR_ANY) || \
((connp)->conn_faddr_v4 == ((ipha)->ipha_src))))) && \
conn_wantpacket((connp), (ira), (ipha)))
#define IPCL_PROTO_MATCH_V6(connp, ira, ip6h) \
((IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_laddr_v6) || \
(IN6_ARE_ADDR_EQUAL(&(connp)->conn_laddr_v6, &((ip6h)->ip6_dst)) && \
(IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_faddr_v6) || \
IN6_ARE_ADDR_EQUAL(&(connp)->conn_faddr_v6, &((ip6h)->ip6_src))))) && \
(conn_wantpacket_v6((connp), (ira), (ip6h))))
#define IPCL_CONN_HASH(src, ports, ipst) \
((unsigned)(ntohl((src)) ^ ((ports) >> 24) ^ ((ports) >> 16) ^ \
((ports) >> 8) ^ (ports)) % (ipst)->ips_ipcl_conn_fanout_size)
#define IPCL_CONN_HASH_V6(src, ports, ipst) \
IPCL_CONN_HASH(V4_PART_OF_V6((src)), (ports), (ipst))
#define IPCL_CONN_MATCH(connp, proto, src, dst, ports) \
((connp)->conn_proto == (proto) && \
(connp)->conn_ports == (ports) && \
_IPCL_V4_MATCH((connp)->conn_faddr_v6, (src)) && \
_IPCL_V4_MATCH((connp)->conn_laddr_v6, (dst)) && \
!(connp)->conn_ipv6_v6only)
#define IPCL_CONN_MATCH_V6(connp, proto, src, dst, ports) \
((connp)->conn_proto == (proto) && \
(connp)->conn_ports == (ports) && \
IN6_ARE_ADDR_EQUAL(&(connp)->conn_faddr_v6, &(src)) && \
IN6_ARE_ADDR_EQUAL(&(connp)->conn_laddr_v6, &(dst)))
#define IPCL_PORT_HASH(port, size) \
((((port) >> 8) ^ (port)) & ((size) - 1))
#define IPCL_BIND_HASH(lport, ipst) \
((unsigned)(((lport) >> 8) ^ (lport)) % \
(ipst)->ips_ipcl_bind_fanout_size)
#define IPCL_BIND_MATCH(connp, proto, laddr, lport) \
((connp)->conn_proto == (proto) && \
(connp)->conn_lport == (lport) && \
(_IPCL_V4_MATCH_ANY((connp)->conn_laddr_v6) || \
_IPCL_V4_MATCH((connp)->conn_laddr_v6, (laddr))) && \
!(connp)->conn_ipv6_v6only)
#define IPCL_BIND_MATCH_V6(connp, proto, laddr, lport) \
((connp)->conn_proto == (proto) && \
(connp)->conn_lport == (lport) && \
(IN6_ARE_ADDR_EQUAL(&(connp)->conn_laddr_v6, &(laddr)) || \
IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_laddr_v6)))
/*
* We compare conn_laddr since it captures both connected and a bind to
* a multicast or broadcast address.
* The caller needs to match the zoneid and also call conn_wantpacket
* for multicast, broadcast, or when conn_incoming_ifindex is set.
*/
#define IPCL_UDP_MATCH(connp, lport, laddr, fport, faddr) \
(((connp)->conn_lport == (lport)) && \
((_IPCL_V4_MATCH_ANY((connp)->conn_laddr_v6) || \
(_IPCL_V4_MATCH((connp)->conn_laddr_v6, (laddr)) && \
(_IPCL_V4_MATCH_ANY((connp)->conn_faddr_v6) || \
(_IPCL_V4_MATCH((connp)->conn_faddr_v6, (faddr)) && \
(connp)->conn_fport == (fport)))))) && \
!(connp)->conn_ipv6_v6only)
/*
* We compare conn_laddr since it captures both connected and a bind to
* a multicast or broadcast address.
* The caller needs to match the zoneid and also call conn_wantpacket_v6
* for multicast or when conn_incoming_ifindex is set.
*/
#define IPCL_UDP_MATCH_V6(connp, lport, laddr, fport, faddr) \
(((connp)->conn_lport == (lport)) && \
(IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_laddr_v6) || \
(IN6_ARE_ADDR_EQUAL(&(connp)->conn_laddr_v6, &(laddr)) && \
(IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_faddr_v6) || \
(IN6_ARE_ADDR_EQUAL(&(connp)->conn_faddr_v6, &(faddr)) && \
(connp)->conn_fport == (fport))))))
#define IPCL_IPTUN_HASH(laddr, faddr) \
((ntohl(laddr) ^ ((ntohl(faddr) << 24) | (ntohl(faddr) >> 8))) % \
ipcl_iptun_fanout_size)
#define IPCL_IPTUN_HASH_V6(laddr, faddr) \
IPCL_IPTUN_HASH((laddr)->s6_addr32[0] ^ (laddr)->s6_addr32[1] ^ \
(faddr)->s6_addr32[2] ^ (faddr)->s6_addr32[3], \
(faddr)->s6_addr32[0] ^ (faddr)->s6_addr32[1] ^ \
(laddr)->s6_addr32[2] ^ (laddr)->s6_addr32[3])
#define IPCL_IPTUN_MATCH(connp, laddr, faddr) \
(_IPCL_V4_MATCH((connp)->conn_laddr_v6, (laddr)) && \
_IPCL_V4_MATCH((connp)->conn_faddr_v6, (faddr)))
#define IPCL_IPTUN_MATCH_V6(connp, laddr, faddr) \
(IN6_ARE_ADDR_EQUAL(&(connp)->conn_laddr_v6, (laddr)) && \
IN6_ARE_ADDR_EQUAL(&(connp)->conn_faddr_v6, (faddr)))
#define IPCL_UDP_HASH(lport, ipst) \
IPCL_PORT_HASH(lport, (ipst)->ips_ipcl_udp_fanout_size)
#define CONN_G_HASH_SIZE 1024
/* Raw socket hash function. */
#define IPCL_RAW_HASH(lport, ipst) \
IPCL_PORT_HASH(lport, (ipst)->ips_ipcl_raw_fanout_size)
/*
* This is similar to IPCL_BIND_MATCH except that the local port check
* is changed to a wildcard port check.
* We compare conn_laddr since it captures both connected and a bind to
* a multicast or broadcast address.
*/
#define IPCL_RAW_MATCH(connp, proto, laddr) \
((connp)->conn_proto == (proto) && \
(connp)->conn_lport == 0 && \
(_IPCL_V4_MATCH_ANY((connp)->conn_laddr_v6) || \
_IPCL_V4_MATCH((connp)->conn_laddr_v6, (laddr))))
#define IPCL_RAW_MATCH_V6(connp, proto, laddr) \
((connp)->conn_proto == (proto) && \
(connp)->conn_lport == 0 && \
(IN6_IS_ADDR_UNSPECIFIED(&(connp)->conn_laddr_v6) || \
IN6_ARE_ADDR_EQUAL(&(connp)->conn_laddr_v6, &(laddr))))
/* Function prototypes */
extern void ipcl_g_init(void);
extern void ipcl_init(ip_stack_t *);
extern void ipcl_g_destroy(void);
extern void ipcl_destroy(ip_stack_t *);
extern conn_t *ipcl_conn_create(uint32_t, int, netstack_t *);
extern void ipcl_conn_destroy(conn_t *);
void ipcl_hash_insert_wildcard(connf_t *, conn_t *);
void ipcl_hash_remove(conn_t *);
void ipcl_hash_remove_locked(conn_t *connp, connf_t *connfp);
extern int ipcl_bind_insert(conn_t *);
extern int ipcl_bind_insert_v4(conn_t *);
extern int ipcl_bind_insert_v6(conn_t *);
extern int ipcl_conn_insert(conn_t *);
extern int ipcl_conn_insert_v4(conn_t *);
extern int ipcl_conn_insert_v6(conn_t *);
extern conn_t *ipcl_get_next_conn(connf_t *, conn_t *, uint32_t);
conn_t *ipcl_classify_v4(mblk_t *, uint8_t, uint_t, ip_recv_attr_t *,
ip_stack_t *);
conn_t *ipcl_classify_v6(mblk_t *, uint8_t, uint_t, ip_recv_attr_t *,
ip_stack_t *);
conn_t *ipcl_classify(mblk_t *, ip_recv_attr_t *, ip_stack_t *);
conn_t *ipcl_classify_raw(mblk_t *, uint8_t, uint32_t, ipha_t *,
ip6_t *, ip_recv_attr_t *, ip_stack_t *);
conn_t *ipcl_iptun_classify_v4(ipaddr_t *, ipaddr_t *, ip_stack_t *);
conn_t *ipcl_iptun_classify_v6(in6_addr_t *, in6_addr_t *, ip_stack_t *);
void ipcl_globalhash_insert(conn_t *);
void ipcl_globalhash_remove(conn_t *);
void ipcl_walk(pfv_t, void *, ip_stack_t *);
conn_t *ipcl_tcp_lookup_reversed_ipv4(ipha_t *, tcpha_t *, int, ip_stack_t *);
conn_t *ipcl_tcp_lookup_reversed_ipv6(ip6_t *, tcpha_t *, int, uint_t,
ip_stack_t *);
conn_t *ipcl_lookup_listener_v4(uint16_t, ipaddr_t, zoneid_t, ip_stack_t *);
conn_t *ipcl_lookup_listener_v6(uint16_t, in6_addr_t *, uint_t, zoneid_t,
ip_stack_t *);
int conn_trace_ref(conn_t *);
int conn_untrace_ref(conn_t *);
void ipcl_conn_cleanup(conn_t *);
extern uint_t conn_recvancillary_size(conn_t *, crb_t, ip_recv_attr_t *,
mblk_t *, ip_pkt_t *);
extern void conn_recvancillary_add(conn_t *, crb_t, ip_recv_attr_t *,
ip_pkt_t *, uchar_t *, uint_t);
conn_t *ipcl_conn_tcp_lookup_reversed_ipv4(conn_t *, ipha_t *, tcpha_t *,
ip_stack_t *);
conn_t *ipcl_conn_tcp_lookup_reversed_ipv6(conn_t *, ip6_t *, tcpha_t *,
ip_stack_t *);
extern int ip_create_helper_stream(conn_t *, ldi_ident_t);
extern void ip_free_helper_stream(conn_t *);
extern int ip_helper_stream_setup(queue_t *, dev_t *, int, int,
cred_t *, boolean_t);
#ifdef __cplusplus
}
#endif
#endif /* _INET_IPCLASSIFIER_H */