Add some patches from net/bird git repo:

 * merge PID support (4+6)
 * merge correct limit checking (4+6)
 * merge some OSPF fixes (4+6)
 * merge BSD P2P masks fix (4)

Approved by:	az

4 files changed, 193 insertions, 2 deletions

diff --git a/net/bird6/Makefile b/net/bird6/Makefile
index 605f83822342..c8170dbd37b8 100644
--- a/net/bird6/Makefile
+++ b/net/bird6/Makefile
@@ -3,6 +3,7 @@
 
 PORTNAME=	bird6
 PORTVERSION=	1.3.11
+PORTREVISION=	1
 CATEGORIES=	net
 MASTER_SITES=	ftp://bird.network.cz/pub/bird/ \
 		http://bird.mpls.in/distfiles/bird/
@@ -13,8 +14,7 @@ COMMENT=	Dynamic IP routing daemon (IPv6 version)
 
 LICENSE=	GPLv2
 
-USES=		bison
-USE_GMAKE=	yes
+USES=		bison gmake
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--enable-ipv6 --localstatedir=/var
 USE_CSTD=	gnu89
diff --git a/net/bird6/files/patch-netst-proto.c b/net/bird6/files/patch-netst-proto.c
new file mode 100644
index 000000000000..c15d6e487d1f
--- /dev/null
+++ b/net/bird6/files/patch-netst-proto.c
@@ -0,0 +1,51 @@
+diff --git a/nest/proto.c b/nest/proto.c
+index 60495aa..140ec94 100644
+--- nest/proto.c
++++ nest/proto.c
+@@ -376,6 +376,7 @@ int proto_reconfig_type;  /* Hack to propagate type info to pipe reconfigure hoo
+ static int
+ proto_reconfigure(struct proto *p, struct proto_config *oc, struct proto_config *nc, int type)
+ {
++  struct announce_hook *ah = p->main_ahook;
+   /* If the protocol is DOWN, we just restart it */
+   if (p->proto_state == PS_DOWN)
+     return 0;
+@@ -407,14 +408,31 @@ proto_reconfigure(struct proto *p, struct proto_config *oc, struct proto_config
+ 
+   /* Update filters and limits in the main announce hook
+      Note that this also resets limit state */
+-  if (p->main_ahook)
++  if (ah)
+     {
+-      p->main_ahook->in_filter = nc->in_filter;
+-      p->main_ahook->out_filter = nc->out_filter;
+-      p->main_ahook->rx_limit = nc->rx_limit;
+-      p->main_ahook->in_limit = nc->in_limit;
+-      p->main_ahook->out_limit = nc->out_limit;
+-      p->main_ahook->in_keep_filtered = nc->in_keep_filtered;
++      ah->in_filter = nc->in_filter;
++      ah->out_filter = nc->out_filter;
++      ah->rx_limit = nc->rx_limit;
++      ah->in_limit = nc->in_limit;
++      ah->out_limit = nc->out_limit;
++      ah->in_keep_filtered = nc->in_keep_filtered;
++
++      if (p->proto_state == PS_UP)	/* Recheck export/import/receive limit */
++        {
++          struct proto_stats *stats = ah->stats;
++          struct proto_limit *l = ah->in_limit;
++          u32 all_routes = stats->imp_routes + stats->filt_routes;
++
++          if (l && (stats->imp_routes >= l->limit)) proto_notify_limit(ah, l, PLD_IN, stats->imp_routes);
++
++          l = ah->rx_limit;
++
++          if (l && ( all_routes >= l->limit)) proto_notify_limit(ah, l, PLD_RX, all_routes );
++
++          l = ah->out_limit;
++
++          if (l && ( stats->exp_routes >= l->limit)) proto_notify_limit(ah, l, PLD_OUT, stats->exp_routes);
++        }
+     }
+ 
+   /* Update routes when filters changed. If the protocol in not UP,
diff --git a/net/bird6/files/patch-proto-ospf-lsupd.c b/net/bird6/files/patch-proto-ospf-lsupd.c
new file mode 100644
index 000000000000..bd25f3ad3bf4
--- /dev/null
+++ b/net/bird6/files/patch-proto-ospf-lsupd.c
@@ -0,0 +1,22 @@
+diff --git a/proto/ospf/lsupd.c b/proto/ospf/lsupd.c
+index a5da425..b19f261 100644
+--- proto/ospf/lsupd.c
++++ proto/ospf/lsupd.c
+@@ -205,7 +205,7 @@ ospf_lsupd_flood(struct proto_ospf *po,
+ 	    en->lsa_body = NULL;
+ 	    DBG("Removing from lsreq list for neigh %R\n", nn->rid);
+ 	    ospf_hash_delete(nn->lsrqh, en);
+-	    if (EMPTY_SLIST(nn->lsrql))
++	    if ((EMPTY_SLIST(nn->lsrql)) && (nn->state == NEIGHBOR_LOADING))
+ 	      ospf_neigh_sm(nn, INM_LOADDONE);
+ 	    continue;
+ 	    break;
+@@ -216,7 +216,7 @@ ospf_lsupd_flood(struct proto_ospf *po,
+ 	    en->lsa_body = NULL;
+ 	    DBG("Removing from lsreq list for neigh %R\n", nn->rid);
+ 	    ospf_hash_delete(nn->lsrqh, en);
+-	    if (EMPTY_SLIST(nn->lsrql))
++	    if ((EMPTY_SLIST(nn->lsrql)) && (nn->state == NEIGHBOR_LOADING))
+ 	      ospf_neigh_sm(nn, INM_LOADDONE);
+ 	    break;
+ 	  default:
diff --git a/net/bird6/files/patch-sysdep-unix-main.c b/net/bird6/files/patch-sysdep-unix-main.c
new file mode 100644
index 000000000000..9caea0b791bf
--- /dev/null
+++ b/net/bird6/files/patch-sysdep-unix-main.c
@@ -0,0 +1,118 @@
+diff --git a/sysdep/unix/main.c b/sysdep/unix/main.c
+index bd80ba2..c7db7c8 100644
+--- sysdep/unix/main.c
++++ sysdep/unix/main.c
+@@ -473,6 +473,58 @@ cli_init_unix(uid_t use_uid, gid_t use_gid)
+ }
+ 
+ /*
++ *	PID file
++ */
++
++static char *pid_file;
++static int pid_fd;
++
++static inline void
++open_pid_file(void)
++{
++  if (!pid_file)
++    return;
++
++  pid_fd = open(pid_file, O_WRONLY|O_CREAT, 0664);
++  if (pid_fd < 0)
++    die("Cannot create PID file %s: %m", pid_file);
++}
++
++static inline void
++write_pid_file(void)
++{
++  int pl, rv;
++  char ps[24];
++
++  if (!pid_file)
++    return;
++
++  /* We don't use PID file for uniqueness, so no need for locking */
++
++  pl = bsnprintf(ps, sizeof(ps), "%ld\n", (long) getpid());
++  if (pl < 0)
++    bug("PID buffer too small");
++
++  rv = ftruncate(pid_fd, 0);
++  if (rv < 0)
++    die("fruncate: %m");
++    
++  rv = write(pid_fd, ps, pl);
++  if(rv < 0)
++    die("write: %m");
++
++  close(pid_fd);
++}
++
++static inline void
++unlink_pid_file(void)
++{
++  if (pid_file)
++    unlink(pid_file);
++}
++
++
++/*
+  *	Shutdown
+  */
+ 
+@@ -496,6 +548,7 @@ async_shutdown(void)
+ void
+ sysdep_shutdown_done(void)
+ {
++  unlink_pid_file();
+   unlink(path_control_socket);
+   log_msg(L_FATAL "Shutdown completed");
+   exit(0);
+@@ -548,7 +601,7 @@ signal_init(void)
+  *	Parsing of command-line arguments
+  */
+ 
+-static char *opt_list = "c:dD:ps:u:g:";
++static char *opt_list = "c:dD:ps:P:u:g:";
+ static int parse_and_exit;
+ char *bird_name;
+ static char *use_user;
+@@ -557,7 +610,7 @@ static char *use_group;
+ static void
+ usage(void)
+ {
+-  fprintf(stderr, "Usage: %s [-c <config-file>] [-d] [-D <debug-file>] [-p] [-s <control-socket>] [-u <user>] [-g <group>]\n", bird_name);
++  fprintf(stderr, "Usage: %s [-c <config-file>] [-d] [-D <debug-file>] [-p] [-s <control-socket>] [-P <pid-file>] [-u <user>] [-g <group>]\n", bird_name);
+   exit(1);
+ }
+ 
+@@ -656,6 +709,9 @@ parse_args(int argc, char **argv)
+       case 's':
+ 	path_control_socket = optarg;
+ 	break;
++      case 'P':
++	pid_file = optarg;
++	break;
+       case 'u':
+ 	use_user = optarg;
+ 	break;
+@@ -709,6 +765,9 @@ main(int argc, char **argv)
+   if (use_uid)
+     drop_uid(use_uid);
+ 
++  if (!parse_and_exit)
++    open_pid_file();
++
+   protos_build();
+   proto_build(&proto_unix_kernel);
+   proto_build(&proto_unix_iface);
+@@ -733,6 +792,8 @@ main(int argc, char **argv)
+       dup2(0, 2);
+     }
+ 
++  write_pid_file();
++
+   signal_init();
+ 
+ #ifdef LOCAL_DEBUG