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Date:      Thu, 15 May 2014 20:06:29 +0000 (UTC)
From:      Michael Tuexen <tuexen@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org
Subject:   svn commit: r266183 - stable/9/sys/netinet
Message-ID:  <201405152006.s4FK6TYL078624@svn.freebsd.org>

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Author: tuexen
Date: Thu May 15 20:06:29 2014
New Revision: 266183
URL: http://svnweb.freebsd.org/changeset/base/266183

Log:
  MFC r263922:
  
  Handle an edge case of address management similar to TCP.
  This needs to be reconsidered when the address handling
  will be reimplemented.
  The patch is from rrs@.

Modified:
  stable/9/sys/netinet/sctp_pcb.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/9/sys/netinet/sctp_pcb.c
==============================================================================
--- stable/9/sys/netinet/sctp_pcb.c	Thu May 15 20:03:57 2014	(r266182)
+++ stable/9/sys/netinet/sctp_pcb.c	Thu May 15 20:06:29 2014	(r266183)
@@ -772,7 +772,14 @@ sctp_del_addr_from_vrf(uint32_t vrf_id, 
 		}
 		SCTPDBG(SCTP_DEBUG_PCB4, "Deleting ifa %p\n", (void *)sctp_ifap);
 		sctp_ifap->localifa_flags &= SCTP_ADDR_VALID;
-		sctp_ifap->localifa_flags |= SCTP_BEING_DELETED;
+		/*
+		 * We don't set the flag. This means that the structure will
+		 * hang around in EP's that have bound specific to it until
+		 * they close. This gives us TCP like behavior if someone
+		 * removes an address (or for that matter adds it right
+		 * back).
+		 */
+		/* sctp_ifap->localifa_flags |= SCTP_BEING_DELETED; */
 		vrf->total_ifa_count--;
 		LIST_REMOVE(sctp_ifap, next_bucket);
 		sctp_remove_ifa_from_ifn(sctp_ifap);



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