5045 use atomic_{inc,dec}_* instead of atomic_add_*
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Approved by: Robert Mustacchi <rm@joyent.com>

PSARC/2009/331 IP Datapath Refactoring
PSARC/2008/522 EOF of 2001/070 IPsec HW Acceleration support
PSARC/2009/495 netstat -r flags for blackhole and reject routes
PSARC 2009/496 EOF of XRESOLV
PSARC

PSARC/2009/331 IP Datapath Refactoring
PSARC/2008/522 EOF of 2001/070 IPsec HW Acceleration support
PSARC/2009/495 netstat -r flags for blackhole and reject routes
PSARC 2009/496 EOF of XRESOLV
PSARC/2009/494 IP_DONTFRAG socket option
PSARC/2009/515 fragmentation controls for ping and traceroute
6798716 ip_newroute delenda est
6798739 ARP and IP are too separate
6807265 IPv4 ip2mac() support
6756382 Please remove Venus IPsec HWACCEL code
6880632 sendto/sendmsg never returns EHOSTUNREACH in Solaris
6748582 sendmsg() return OK, but doesn't send message using IPv4-mapped x IPv6 addr
1119790 TCP and path mtu discovery
4637227 should support equal-cost multi-path (ECMP)
5078568 getsockopt() for IPV6_PATHMTU on a non-connected socket should not succeed
6419648 "AR* contract private note" should be removed as part of ATM SW EOL
6274715 Arp could keep the old entry in the cache while it waits for an arp response
6605615 Remove duplicated TCP/IP opt_set/opt_get code; use conn_t
6874677 IP_TTL can be used to send with ttl zero
4034090 arp should not let you delete your own entry
6882140 Implement IP_DONTFRAG socket option
6883858 Implement ping -D option; traceroute -F should work for IPv6 and shared-IP zones
1119792 TCP/IP black hole detection is broken on receiver
4078796 Directed broadcast forwarding code has problems
4104337 restrict the IPPROTO_IP and IPPROTO_IPV6 options based on the socket family
4203747 Source address selection for source routed packets
4230259 pmtu is increased every ip_ire_pathmtu_interval timer value.
4300533 When sticky option ipv6_pktinfo set to bogus address subsequent connect time out
4471035 ire_delete_cache_gw is called through ire_walk unnecessarily
4514572 SO_DONTROUTE socket option doesn't work with IPv6
4524980 tcp_lookup_ipv4() should compare the ifindex against tcpb->tcpb_bound_if
4532714 machine fails to switch quickly among failed default routes
4634219 IPv6 path mtu discovery is broken when using routing header
4691581 udp broadcast handling causes too many replicas
4708405 mcast is broken on machines when all interfaces are IFF_POINTOPOINT
4770457 netstat/route: source address of interface routes pretends to be gateway address
4786974 use routing table to determine routes/interface for multicast
4792619 An ip_fanout_udp_ipc_v6() routine might lead to some simpler code
4816115 Nuke ipsec_out_use_global_policy
4862844 ipsec offload corner case
4867533 tcp_rq and tcp_wq are redundant
4868589 NCEs should be shared across an IPMP group
4872093 unplumbing an improper virtual interface panics in ip_newroute_get_dst_ill()
4901671 FireEngine needs some cleanup
4907617 IPsec identity latching should be done before sending SYN-ACK
4941461 scopeid and IPV6_PKTINFO with UDP/ICMP connect() does not work properly
4944981 ip does nothing with IP6I_NEXTHOP
4963353 IPv4 and IPv6 proto fanout codes could be brought closer
4963360 consider passing zoneid using ip6i_t instead of ipsec_out_t in NDP
4963734 new ip6_asp locking is used incorrectly in ip_newroute_v6()
5008315 IPv6 code passes ip6i_t to IPsec code instead of ip6_t
5009636 memory leak in ip_fanout_proto_v6()
5092337 tcp/udp option handling can use some cleanup
5035841 Solaris can fail to create a valid broadcast ire
5043747 ar_query_xmit: Could not find the ace
5051574 tcp_check_policy is missing some checks
6305037 full hardware checksum is discarded when there're more than 2 mblks in the chain
6311149 ip.c needs to be put through a woodchipper
4708860 Unable to reassemble CGTP fragmented multicast packets
6224628 Large IPv6 packets with IPsec protection sometimes have length mismatch.
6213243 Solaris does not currently support Dead Gateway Detection
5029091 duplicate code in IP's input path for TCP/UDP/SCTP
4674643 through IPv6 CGTP routes, the very first packet is sent only after a while
6207318 Multiple default routes do not round robin connections to routers.
4823410 IP has an inconsistent view of link mtu
5105520 adding interface route to down interface causes ifconfig hang
5105707 advanced sockets API introduced some dead code
6318399 IP option handling for icmp and udp is too complicated
6321434 Every dropped packet in IP should use ip_drop_packet()
6341693 ifconfig mtu should operate on the physical interface, not individual ipif's
6352430 The credentials attached to an mblk are not particularly useful
6357894 uninitialised ipp_hoplimit needs to be cleaned up.
6363568 ip_xmit_v6() may be missing IRE releases in error cases
6364828 ip_rput_forward needs a makeover
6384416 System panics when running as multicast forwarder using multicast tunnels
6402382 TX: UDP v6 slowpath is not modified to handle mac_exempt conns
6418413 assertion failed ipha->ipha_ident == 0||ipha->ipha_ident == 0xFFFF
6420916 assertion failures in ipv6 wput path
6430851 use of b_prev to store ifindex is not 100% safe
6446106 IPv6 packets stored in nce->nce_qd_mp will be sent with incorrect tcp/udp checksums
6453711 SCTP OOTB sent as if genetated by global zone
6465212 ARP/IP merge should remove ire_freemblk.esballoc
6490163 ip_input() could misbehave if the first mblk's size is not big enough
6496664 missing ipif_refrele leads to reference leak and deferred crash in ip_wput_ipsec_out_v6
6504856 memory leak in ip_fanout_proto_v6() when using link local outer tunnel addresses
6507765 IRE cache hash function performs badly
6510186 IP_FORWARD_PROG bit is easily overlooked
6514727 cgtp ipv6 failure on snv54
6528286 MULTIRT (CGTP) should offload checksum to hardware
6533904 SCTP: doesn't support traffic class for IPv6
6539415 TX: ipif source selection is flawed for unlabeled gateways
6539851 plumbed unworking nic blocks sending broadcast packets
6564468 non-solaris SCTP stack over rawip socket: netstat command counts rawipInData not rawipOutDatagrams
6568511 ipIfStatsOutDiscards not bumped when discarding an ipsec packet on the wrong NIC
6584162 tcp_g_q_inactive() makes incorrect use of taskq_dispatch()
6603974 round-robin default with many interfaces causes infinite temporary IRE thrashing
6611750 ilm_lookup_ill_index_v4 was born an orphan
6618423 ip_wput_frag_mdt sends out packets that void pfhooks
6620964 IRE max bucket count calculations performed in ip_ire_init() are flawed
6626266 various _broadcasts seem redundant
6638182 IP_PKTINFO + SO_DONTROUTE + CIPSO IP option == panic
6647710 IPv6 possible DoS vulnerability
6657357 nce should be kmem_cache alloc'ed from an nce_cache.
6685131 ilg_add -> conn_ilg_alloc interacting with conn_ilg[] walkers can cause panic.
6730298 adding 0.0.0.0 key with mask != 0 causes 'route delete default' to fail
6730976 vni and ipv6 doesn't quite work.
6740956 assertion failed: mp->b_next == 0L && mp->b_prev == 0L in nce_queue_mp_common()
6748515 BUMP_MIB() is occasionally done on the wrong ill
6753250 ip_output_v6() `notv6' error path has an errant ill_refrele()
6756411 NULL-pointer dereference in ip_wput_local()
6769582 IP must forward packet returned from FW-HOOK
6781525 bogus usesrc usage leads directly to panic
6422839 System paniced in ip_multicast_loopback due to NULL pointer dereference
6785521 initial IPv6 DAD solicitation is dropped in ip_newroute_ipif_v6()
6787370 ipnet devices not seeing forwarded IP packets on outgoing interface
6791187 ip*dbg() calls in ip_output_options() claim to originate from ip_wput()
6794047 nce_fp_mp prevents sharing of NCEs across an IPMP group
6797926 many unnecessary ip0dbg() in ip_rput_data_v6
6846919 Packet queued for ND gets sent in the clear.
6856591 ping doesn't send packets with DF set
6861113 arp module has incorrect dependency path for hook module
6865664 IPV6_NEXTHOP does not work with TCP socket
6874681 No ICMP time exceeded when a router receives packet with ttl = 0
6880977 ip_wput_ire() uses over 1k of stack
6595433 IPsec performance could be significantly better when calling hw crypto provider synchronously
6848397 ifconfig down of an interface can hang.
6849602 IPV6_PATHMTU size issue for UDP
6885359 Add compile-time option for testing pure IPsec overhead
6889268 Odd loopback source address selection with IPMP
6895420 assertion failed: connp->conn_helper_info == NULL
6851189 Routing-related panic occurred during reboot on T2000 system running snv_117
6896174 Post-async-encryption, AH+ESP packets may have misinitialized ipha/ip6
6896687 iptun presents IPv6 with an MTU < 1280
6897006 assertion failed: ipif->ipif_id != 0 in ip_sioctl_slifzone_restart

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PSARC 2007/670 db_credp update
6619593 Simplify and strengthen db_credp handling
6619596 Add getpeerucred() support to SCTP SOCK_STREAM

6797746 keysock_get_opt() not returning error codes.

PSARC 2007/587 Volo -- Low Latency Socket Framework
PSARC 2008/694 Volo Interfaces Amendment
6765829 Integration of project Volo PSARC/2007/587
6644935 mblk cred_t reference counting limits scalabili

PSARC 2007/587 Volo -- Low Latency Socket Framework
PSARC 2008/694 Volo Interfaces Amendment
6765829 Integration of project Volo PSARC/2007/587
6644935 mblk cred_t reference counting limits scalability
6693633 TCP receive does not scale because of heavy refcounting of cred structures
4764841 connect/accept is slow on Solaris when compared to Linux
5105708 socket creation retains hold on accessvp
4764836 setsockopt is slow on Solaris when compared to Linux
4772191 socket close(2) is slow on Solaris when compared to Linux

--HG--
rename : usr/src/uts/common/fs/sockfs/socksctp.c => usr/src/uts/common/inet/sockmods/socksctp.c
rename : usr/src/uts/common/fs/sockfs/socksctp.h => usr/src/uts/common/inet/sockmods/socksctp.h
rename : usr/src/uts/common/fs/sockfs/socksctpsubr.c => usr/src/uts/common/inet/sockmods/socksctpsubr.c
rename : usr/src/uts/common/fs/sockfs/socksdp.c => usr/src/uts/common/inet/sockmods/socksdp.c
rename : usr/src/uts/common/fs/sockfs/socksdp.h => usr/src/uts/common/inet/sockmods/socksdp.h

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PSARC 2008/523 IPsec session failover
6398024 IPsec should support session failover across machines
6545486 PF_KEY needs to set an SA's sequence number

PSARC/2008/232 Paired IPsec Security Associations
6584918 in.iked will exit if you try and add a duplicate rule with ikeadm
6595953 Remove SCCS keywords from ipsec{ah,esp}, keysock, and spdsock
66282

PSARC/2008/232 Paired IPsec Security Associations
6584918 in.iked will exit if you try and add a duplicate rule with ikeadm
6595953 Remove SCCS keywords from ipsec{ah,esp}, keysock, and spdsock
6628201 Inbound and Outbound IPsec SA's should be treated as a pair.
6643439 check_rule() in in.iked does not sanity check kilobyte based lifetime values
6668752 ikeadm(1m) get defaults displays wrong value for p2_softlife_kb
6669211 Need a way to disable Soft Expires when using in.iked(1m)
6670612 sadb_address_proto and sadb_address_prefixlen need to be initialized in NAT_T extensions.
6674203 Ordering of src/dst address extensions in pf_key messages is inconsistent.
6676436 ipseckey(1m) error messages could be less cryptic
6683004 Updating hard_usetime on an IPsec SA will cause it to evaporate.
6703265 in.iked can dump core if avl_nearest() returns NULL

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6595449 IP streams plumbing simpification
6604040 ASSERT fp->timer_mp == 0L panic in sctp_common.c, line: 1876
6606989 panic in ip_rput_forward for multicast router
6606990 assertion failed: th_trace

6595449 IP streams plumbing simpification
6604040 ASSERT fp->timer_mp == 0L panic in sctp_common.c, line: 1876
6606989 panic in ip_rput_forward for multicast router
6606990 assertion failed: th_trace->th_refcnt == 0
6608966 Backport to onnv: 6440004 Get rid of UDP's perimeter mechanism in favor of locks.

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PSARC 2006/366 IP Instances
6289221 RFE: Need virtualized ip-stack for each local zone
6512601 panic in ipsec_in_tag - allocation failure
6514637 error message from dhcpagent: add_pkt_opt: option typ

PSARC 2006/366 IP Instances
6289221 RFE: Need virtualized ip-stack for each local zone
6512601 panic in ipsec_in_tag - allocation failure
6514637 error message from dhcpagent: add_pkt_opt: option type 60 is missing required value
6364643 RFE: allow persistent setting of interface flags per zone
6307539 RFE: Invalid network address causes zone boot failure
5041214 Allow IPMP configuration with zones
5005887 RFE: zoneadmd should support plumbing an interface via DHCP
4991139 RFE: zones should provide a mechanism to configure a defaultrouter for a zone
6218378 zoneadmd doesn't set the netmask for non-loopback addresses hosted on lo0
4963280 zones: need to virtualize the IPv6 default address selection mechanism
4963285 zones: need support of stateless address autoconfiguration for IPv6
5048068 zones don't boot if one of its interfaces has failed
5057154 RFE: ability to change interface status from within a zone
4963287 zones should support the plumbing of the first (and only) logical interface
4978517 TCP privileged port space should be partitioned per zone
5023347 zones don't work well with network routes other than default
4963372 investigate whether global zone can act as a router for local zones
6378364 RFE: Allow each zone to have its own virtual IPFilter

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PSARC 2005/516 IPsec Tunnel Reform
4882852 tunnels vs. inverse acquire.
4970365 Support of ESP tunnel mode within Solaris
5027528 in.iked should be more intelligent about tunnel addresses
6180161 nee

PSARC 2005/516 IPsec Tunnel Reform
4882852 tunnels vs. inverse acquire.
4970365 Support of ESP tunnel mode within Solaris
5027528 in.iked should be more intelligent about tunnel addresses
6180161 need to support multiple tunnels to a single nat
6208976 ipsecconf error messages make me think there are monsters under the bed
6313012 Clean up from removal of ipsec_inbound_debug_tag()
6351840 assertion failed: (ipha->ipha_protocol != 6) && (ipha->ipha_protocol != 17), ip.c, line: 15351
6359831 multicast tunnels don't get their IPsec policy checked.
6369094 ipseckey shouldn't accept/save-out encryption algorithm even it's none/any
6374560 ipseckey debug functions should be moved to libipsecutil
6374596 dump utilities need to be able to understand inner tunnel addresses and netmasks
6402781 Five dead declarations in IPsec code
6405338 spdsock leaks policy head references
6437366 NAT-OA payloads not processed early enough.
6465594 ipsec_policy_delete() uses wrong ipsec_selkey_t structure.
6467596 spdsock_ext_to_actvec() needs to reset "act" upon every SPD_ATTR_NEXT.
6470725 PF_POLICY shouldn't accept '0' for an algorithm value.
6475903 Outbound DROP rules are not enforced
6480815 INVERSE_ACQUIRE failures leak in in.iked
6482403 Race in in.iked, early door call vs. rest of initialization code
6482653 Don't accept UDP-encapsulated ESP on non-NAT SAs.
6487857 Post-ACQUIRE, AH+ESP packets misinitalized ipha/ip6

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6454066 vmem_arena leak in keysock_close()

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