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opnsense-src/sys/netinet
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Bruce M Simpson 83453a06de Add a new sysctl knob, net.inet.udp.strict_mcast_mship, to the udp_input path. 
This switch toggles between strict multicast delivery, and traditional
multicast delivery.

The traditional (default) behaviour is to deliver multicast datagrams to all
sockets which are members of that group, regardless of the network interface
where the datagrams were received.

The strict behaviour is to deliver multicast datagrams received on a
particular interface only to sockets whose membership is bound to that
interface.

Note that as a matter of course, multicast consumers specifying INADDR_ANY
for their interface get joined on the interface where the default route
happens to be bound. This switch has no effect if the interface which the
consumer specifies for IP_ADD_MEMBERSHIP is not UP and RUNNING.

The original patch has been cleaned up somewhat from that submitted. It has
been tested on a multihomed machine with multiple QuickTime RTP streams
running over the local switch, which doesn't do IGMP snooping.

PR:		kern/58359
Submitted by:	William A. Carrel
Reviewed by:	rwatson
MFC after:	1 week
2003-11-12 20:17:11 +00:00
..
libalias Grrr...add the Skinny alias code forgotten in the last commit. 2003-09-23 07:42:33 +00:00
accf_data.c Remove so*_locked(), which were backed out by mistake. 2002-06-18 07:42:02 +00:00
accf_http.c Remove so*_locked(), which were backed out by mistake. 2002-06-18 07:42:02 +00:00
icmp6.h revert following unwanted changes: 2003-10-25 10:57:08 +00:00
icmp_var.h Remove __P. 2002-03-19 21:25:46 +00:00
if_atm.c replace explicit changes to rt_refcnt by RT_ADDREF and RT_REMREF 2003-11-08 23:36:32 +00:00
if_atm.h Remove __P. 2002-03-19 21:25:46 +00:00
if_ether.c replace explicit changes to rt_refcnt by RT_ADDREF and RT_REMREF 2003-11-08 23:36:32 +00:00
if_ether.h Update netisr handling; Each SWI now registers its queue, and all queue 2003-03-04 23:19:55 +00:00
igmp.c Remove redundant initialization of rti; SLIST_FOREACH does that for 2003-08-28 22:15:05 +00:00
igmp.h $Id$ -> $FreeBSD$ 1999-08-28 01:08:13 +00:00
igmp_var.h Remove __P. 2002-03-19 21:25:46 +00:00
in.c Correct rev 1.56 which (incorrectly) reversed the test used to 2003-11-03 03:22:39 +00:00
in.h correct namespace pollution. 2003-10-25 09:37:10 +00:00
in_cksum.c $Id$ -> $FreeBSD$ 1999-08-28 01:08:13 +00:00
in_gif.c add ECN support in layer-3. 2003-10-29 15:07:04 +00:00
in_gif.h - fix typo in comment. 2003-10-07 17:46:18 +00:00
in_pcb.c In in_pcbconnect_setup(), don't use the cached inp->inp_route unless 2003-11-10 22:45:37 +00:00
in_pcb.h add locking assertions that turn into noops if INET6 is configured; 2003-11-08 22:48:27 +00:00
in_proto.c divert socket fixups: 2003-11-08 23:09:42 +00:00
in_rmx.c Remove bogus RTFREE that was added in rev 1.47. The rmx code operates 2003-11-03 06:11:44 +00:00
in_systm.h Remove __P. 2002-03-19 21:25:46 +00:00
in_var.h Move from a custom-crafted singly-linked list to the SLIST_* macros 2003-08-20 17:09:01 +00:00
ip.h add ECN support in layer-3. 2003-10-29 15:07:04 +00:00
ip6.h revert following unwanted changes: 2003-10-25 10:57:08 +00:00
ip_divert.c divert socket fixups: 2003-11-08 23:09:42 +00:00
ip_dummynet.c replace explicit changes to rt_refcnt by RT_ADDREF and RT_REMREF 2003-11-08 23:36:32 +00:00
ip_dummynet.h place some kernel-specific data structures under #ifdef _KERNEL 2003-10-03 20:58:56 +00:00
ip_ecn.c add ECN support in layer-3. 2003-10-29 15:07:04 +00:00
ip_ecn.h add ECN support in layer-3. 2003-10-29 15:07:04 +00:00
ip_encap.c Remove unused variables. 2003-06-01 09:20:38 +00:00
ip_encap.h Remove __P. 2002-03-19 21:25:46 +00:00
ip_flow.c replace explicit changes to rt_refcnt by RT_ADDREF and RT_REMREF 2003-11-08 23:36:32 +00:00
ip_flow.h add locking 2003-09-01 05:12:36 +00:00
ip_fw.h Replace the if_name and if_unit members of struct ifnet with new members 2003-10-31 18:32:15 +00:00
ip_fw2.c Move uid/gid checking logic out of line and lock inpcb usage. This 2003-11-07 23:26:57 +00:00
ip_gre.c Finish driving a stake through the heart of netns and the associated 2003-03-05 19:24:24 +00:00
ip_gre.h de-__P(). 2002-10-16 22:27:27 +00:00
ip_icmp.c Introduce the notion of "persistent mbuf tags"; these are tags that stay 2003-10-29 05:40:07 +00:00
ip_icmp.h Add comments regarding the ICMP timestamp fields. 2003-03-21 15:28:10 +00:00
ip_id.c MFp4: reminder that random id code is not reentrant 2003-11-07 23:31:29 +00:00
ip_input.c replace explicit changes to rt_refcnt by RT_ADDREF and RT_REMREF 2003-11-08 23:36:32 +00:00
ip_mroute.c the sbappendaddr call in socket_send must be protected by Giant 2003-11-08 22:51:18 +00:00
ip_mroute.h 1. Basic PIM kernel support 2003-08-07 18:16:59 +00:00
ip_output.c assert optional inpcb is passed in locked 2003-11-08 23:03:29 +00:00
ip_var.h Modify the MAC Framework so that instead of embedding a (struct label) 2003-11-12 03:14:31 +00:00
ipprotosw.h KSE Milestone 2 2001-09-12 08:38:13 +00:00
pim.h New PIM header files. 2003-08-07 18:17:43 +00:00
pim_var.h New PIM header files. 2003-08-07 18:17:43 +00:00
raw_ip.c add some missing locking 2003-11-08 22:53:41 +00:00
tcp.h Include <sys/cdefs.h> so the visibility conditionals are available. 2002-10-02 04:22:34 +00:00
tcp_debug.c It's now sufficient to rely on a nested include of _label.h to make sure 2002-08-15 14:34:45 +00:00
tcp_debug.h make the strings for tcptimers, tanames and prurequests const to silence 2002-08-16 09:07:59 +00:00
tcp_fsm.h WARNS=n and lint(1) silencer. Declare an array of (const) strings 2002-02-03 11:57:32 +00:00
tcp_input.c dropwithreset is not needed in this case as tcp_drop() is already notifying 2003-11-12 19:38:01 +00:00
tcp_output.c replace mtx_assert by INP_LOCK_ASSERT 2003-11-08 22:55:52 +00:00
tcp_reass.c dropwithreset is not needed in this case as tcp_drop() is already notifying 2003-11-12 19:38:01 +00:00
tcp_seq.h Unify the "send high" and "recover" variables as specified in the 2003-07-15 21:49:53 +00:00
tcp_subr.c o correct locking problem: the inpcb must be held across tcp_respond 2003-11-08 22:59:22 +00:00
tcp_syncache.c correct typos 2003-11-11 18:16:54 +00:00
tcp_timer.c use local values instead of chasing pointers 2003-11-08 22:57:13 +00:00
tcp_timer.h Remove a panic(); if the zone allocator can't provide more timewait 2003-03-08 22:06:20 +00:00
tcp_timewait.c o correct locking problem: the inpcb must be held across tcp_respond 2003-11-08 22:59:22 +00:00
tcp_usrreq.c speedup stream socket recv handling by tracking the tail of 2003-10-28 05:47:40 +00:00
tcp_var.h Add an additional check to the tcp_twrecycleable function; I had 2003-11-02 07:47:03 +00:00
tcpip.h Remove struct full_tcpiphdr{}. 2001-02-26 20:10:16 +00:00
udp.h $Id$ -> $FreeBSD$ 1999-08-28 01:08:13 +00:00
udp_usrreq.c Add a new sysctl knob, net.inet.udp.strict_mcast_mship, to the udp_input path. 2003-11-12 20:17:11 +00:00
udp_var.h Notify functions can destroy the pcb, so they have to return an 2002-06-14 08:35:21 +00:00