Add multipath caching policy patch to quagga-unstable (#1608)
git-svn-id: svn://svn.openwrt.org/openwrt/packages@13315 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
florian
parent
050953ff21
commit
3e102d0da5
@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
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PKG_NAME:=quagga-unstable
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PKG_VERSION:=0.99.11
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PKG_RELEASE:=1
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PKG_RELEASE:=2
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PKG_MD5SUM:=903e40c744730ad4d62bee872eeb813b
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PKG_SOURCE_URL:=http://www.quagga.net/download/ \
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@ -0,0 +1,305 @@
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diff -urN quagga-0.99.11/configure.ac quagga-0.99.11.new/configure.ac
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--- quagga-0.99.11/configure.ac 2008-10-02 10:31:09.000000000 +0200
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+++ quagga-0.99.11.new/configure.ac 2008-11-22 20:58:12.000000000 +0100
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@@ -385,7 +385,7 @@
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AC_CHECK_HEADERS([stropts.h sys/ksym.h sys/times.h sys/select.h \
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sys/types.h linux/version.h netdb.h asm/types.h \
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sys/param.h limits.h signal.h libutil.h \
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- sys/socket.h netinet/in.h])
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+ sys/socket.h netinet/in.h linux/ip_mp_alg.h])
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dnl Utility macro to avoid retyping includes all the time
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m4_define([QUAGGA_INCLUDES],
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@@ -755,6 +755,17 @@
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AC_SUBST(KERNEL_METHOD)
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AC_SUBST(OTHER_METHOD)
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+dnl ----------
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+dnl Check for RTA_MP_ALGO in linux/rtnetlink.h
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+dnl ----------
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+AC_MSG_CHECKING(for support of multipath alg. in netlink)
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+ if grep RTA_MP_ALGO linux/rtnetlink.h >/dev/null 2>&1; then
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+ AC_DEFINE(HAVE_RT_MP_ALGO,,RTA_MP exist in rtnetlink)
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+ AC_MSG_RESULT(yes)
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+ else
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+ AC_MSG_RESULT(no)
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+ fi
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+
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dnl --------------------------
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dnl Determine IS-IS I/O method
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dnl --------------------------
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diff -urN quagga-0.99.11/lib/command.h quagga-0.99.11.new/lib/command.h
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--- quagga-0.99.11/lib/command.h 2008-09-09 22:18:57.000000000 +0200
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+++ quagga-0.99.11.new/lib/command.h 2008-11-22 20:48:07.000000000 +0100
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@@ -101,6 +101,7 @@
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DUMP_NODE, /* Packet dump node. */
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FORWARDING_NODE, /* IP forwarding node. */
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PROTOCOL_NODE, /* protocol filtering node */
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+ MULTIPATH_NODE, /* Multipath policy node */
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VTY_NODE, /* Vty node. */
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};
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@@ -272,6 +273,7 @@
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/* Common descriptions. */
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#define SHOW_STR "Show running system information\n"
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#define IP_STR "IP information\n"
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+#define MULTIPATH_STR "Configure multipath policy\n"
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#define IPV6_STR "IPv6 information\n"
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#define NO_STR "Negate a command or set its defaults\n"
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#define REDIST_STR "Redistribute information from another routing protocol\n"
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diff -urN quagga-0.99.11/lib/zebra.h quagga-0.99.11.new/lib/zebra.h
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--- quagga-0.99.11/lib/zebra.h 2008-09-24 17:22:51.000000000 +0200
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+++ quagga-0.99.11.new/lib/zebra.h 2008-11-22 20:48:44.000000000 +0100
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@@ -168,6 +168,10 @@
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#define RT_TABLE_MAIN 0
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#endif /* HAVE_NETLINK */
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+#ifdef HAVE_LINUX_IP_MP_ALG_H
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+#include <linux/ip_mp_alg.h>
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+#endif /* HAVE_LINUX_IP_MP_ALG_H */
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+
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#ifdef HAVE_NETDB_H
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#include <netdb.h>
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#endif /* HAVE_NETDB_H */
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diff -urN quagga-0.99.11/zebra/main.c quagga-0.99.11.new/zebra/main.c
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--- quagga-0.99.11/zebra/main.c 2008-09-05 16:27:26.000000000 +0200
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+++ quagga-0.99.11.new/zebra/main.c 2008-11-22 20:48:44.000000000 +0100
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@@ -44,6 +44,7 @@
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struct zebra_t zebrad =
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{
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.rtm_table_default = 0,
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+ .mpath = 0,
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};
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/* process id. */
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diff -urN quagga-0.99.11/zebra/multipath.h quagga-0.99.11.new/zebra/multipath.h
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--- quagga-0.99.11/zebra/multipath.h 1970-01-01 01:00:00.000000000 +0100
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+++ quagga-0.99.11.new/zebra/multipath.h 2008-11-22 20:48:44.000000000 +0100
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@@ -0,0 +1,37 @@
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+/*
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+ * multipath policy names.
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+ *
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+ * This file is part of Quagga routing suite.
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+ *
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+ * Quagga is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License as published by the
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+ * Free Software Foundation; either version 2, or (at your option) any
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+ * later version.
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+ *
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+ * Quagga is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ * General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with GNU Zebra; see the file COPYING. If not, write to the Free
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+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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+ * 02111-1307, USA.
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+ */
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+
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+#ifndef ZEBRA_MULTIPATH_H
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+#define ZEBRA_MULTIPATH_H
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+#include <zebra.h>
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+
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+#ifdef HAVE_LINUX_IP_MP_ALG_H
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+
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+static char *mp_alg_names[IP_MP_ALG_MAX+1] = {
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+ [IP_MP_ALG_NONE] = "none",
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+ [IP_MP_ALG_RR] = "rr",
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+ [IP_MP_ALG_DRR] = "drr",
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+ [IP_MP_ALG_RANDOM] = "random",
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+ [IP_MP_ALG_WRANDOM] = "wrandom"
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+ };
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+#endif
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+#endif
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+
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diff -urN quagga-0.99.11/zebra/rt_netlink.c quagga-0.99.11.new/zebra/rt_netlink.c
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--- quagga-0.99.11/zebra/rt_netlink.c 2008-09-05 16:27:26.000000000 +0200
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+++ quagga-0.99.11.new/zebra/rt_netlink.c 2008-11-22 20:48:44.000000000 +0100
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@@ -36,6 +36,7 @@
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#include "thread.h"
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#include "privs.h"
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+#include "multipath.h"
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#include "zebra/zserv.h"
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#include "zebra/rt.h"
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#include "zebra/redistribute.h"
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@@ -1694,6 +1695,16 @@
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if (src)
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addattr_l (&req.n, sizeof req, RTA_PREFSRC, &src->ipv4, bytelen);
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+#ifdef HAVE_RT_MP_ALGO
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+ if (zebrad.mpath != IP_MP_ALG_NONE)
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+ {
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+ if (IS_ZEBRA_DEBUG_KERNEL)
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+ zlog_debug("netlink_route_multipath() (multihop): "
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+ "multipath policy : %s",mp_alg_names[zebrad.mpath]);
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+
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+ addattr_l (&req.n, 1024, RTA_MP_ALGO, &zebrad.mpath, sizeof(zebrad.mpath));
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+ }
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+#endif
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if (rta->rta_len > RTA_LENGTH (0))
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addattr_l (&req.n, 1024, RTA_MULTIPATH, RTA_DATA (rta),
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RTA_PAYLOAD (rta));
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diff -urN quagga-0.99.11/zebra/zserv.c quagga-0.99.11.new/zebra/zserv.c
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--- quagga-0.99.11/zebra/zserv.c 2008-09-24 17:22:51.000000000 +0200
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+++ quagga-0.99.11.new/zebra/zserv.c 2008-11-22 20:48:44.000000000 +0100
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@@ -36,6 +36,7 @@
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#include "privs.h"
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#include "network.h"
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#include "buffer.h"
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+#include "multipath.h"
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#include "zebra/zserv.h"
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#include "zebra/router-id.h"
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@@ -1120,6 +1121,9 @@
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/* Set table number. */
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client->rtm_table = zebrad.rtm_table_default;
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+ /* Set multipath policy */
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+ client->mpath = zebrad.mpath;
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+
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/* Add this client to linked list. */
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listnode_add (zebrad.client_list, client);
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@@ -1697,6 +1701,91 @@
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};
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+#ifdef HAVE_RT_MP_ALGO
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+DEFUN (multipath_rr,
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+ multipath_rr_cmd,
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+ "multipath rr",
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+ MULTIPATH_STR
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+ "Round Robin multipath policy")
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+{
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+ zebrad.mpath=IP_MP_ALG_RR;
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+ return CMD_SUCCESS;
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+}
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+
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+DEFUN (multipath_drr,
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+ multipath_drr_cmd,
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+ "multipath drr",
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+ MULTIPATH_STR
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+ "Device round robin multipath policy")
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+{
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+ zebrad.mpath=IP_MP_ALG_DRR;
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+ return CMD_SUCCESS;
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+}
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+
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+DEFUN (multipath_random,
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+ multipath_random_cmd,
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+ "multipath random",
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+ MULTIPATH_STR
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+ "Random multipath policy")
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+{
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+ zebrad.mpath=IP_MP_ALG_RANDOM;
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+ return CMD_SUCCESS;
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+}
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+
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+DEFUN (multipath_wrandom,
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+ multipath_wrandom_cmd,
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+ "multipath wrandom",
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+ MULTIPATH_STR
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+ "Weighted random multipath policy")
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+{
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+ zebrad.mpath=IP_MP_ALG_WRANDOM;
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+ return CMD_SUCCESS;
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+}
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+
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+DEFUN (no_multipath,
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+ no_multipath_cmd,
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+ "no multipath",
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+ NO_STR
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+ MULTIPATH_STR
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+ "Remove multipath policy")
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+{
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+ zebrad.mpath=IP_MP_ALG_NONE;
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+ return CMD_SUCCESS;
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+}
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+
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+DEFUN (show_multipath,
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+ show_multipath_cmd,
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+ "show multipath",
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+ SHOW_STR
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+ "Show multipath policy")
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+{
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+ vty_out (vty, "multipath %s%s", mp_alg_names[zebrad.mpath],
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+ VTY_NEWLINE);
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+ return CMD_SUCCESS;
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+}
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+
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+/* multipath policy configuration write function. */
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+static int
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+config_write_multipath (struct vty *vty)
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+{
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+
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+
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+ if (zebrad.mpath)
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+ vty_out (vty, "multipath %s%s", mp_alg_names[zebrad.mpath],
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+ VTY_NEWLINE);
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+ return 0;
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+}
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+
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+/* table node for multipath policy. */
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+struct cmd_node multipath_node =
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+{
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+ MULTIPATH_NODE,
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+ "",
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+ 1
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+};
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+
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+#endif /* HAVE_RT_MP_ALGO */
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+
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/* Initialisation of zebra and installation of commands. */
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void
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zebra_init (void)
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@@ -1715,6 +1804,10 @@
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install_node (&table_node, config_write_table);
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install_node (&forwarding_node, config_write_forwarding);
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+#ifdef HAVE_RT_MP_ALGO
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+ install_node (&multipath_node, config_write_multipath);
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+#endif
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+
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install_element (VIEW_NODE, &show_ip_forwarding_cmd);
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install_element (ENABLE_NODE, &show_ip_forwarding_cmd);
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install_element (CONFIG_NODE, &ip_forwarding_cmd);
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@@ -1725,6 +1818,14 @@
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install_element (VIEW_NODE, &show_table_cmd);
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install_element (ENABLE_NODE, &show_table_cmd);
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install_element (CONFIG_NODE, &config_table_cmd);
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+#ifdef HAVE_RT_MP_ALGO
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+ install_element (CONFIG_NODE, &multipath_rr_cmd);
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+ install_element (CONFIG_NODE, &multipath_drr_cmd);
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+ install_element (CONFIG_NODE, &multipath_random_cmd);
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+ install_element (CONFIG_NODE, &multipath_wrandom_cmd);
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+ install_element (CONFIG_NODE, &no_multipath_cmd);
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+ install_element (ENABLE_NODE, &show_multipath_cmd);
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+#endif /* HAVE_RT_MP_ALGO */
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#endif /* HAVE_NETLINK */
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#ifdef HAVE_IPV6
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diff -urN quagga-0.99.11/zebra/zserv.h quagga-0.99.11.new/zebra/zserv.h
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--- quagga-0.99.11/zebra/zserv.h 2008-09-24 17:22:51.000000000 +0200
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+++ quagga-0.99.11.new/zebra/zserv.h 2008-11-22 20:48:44.000000000 +0100
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@@ -55,6 +55,9 @@
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/* default routing table this client munges */
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int rtm_table;
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+ /* multipath policy */
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+ u_int32_t mpath;
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+
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/* This client's redistribute flag. */
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u_char redist[ZEBRA_ROUTE_MAX];
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@@ -78,6 +81,9 @@
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/* default table */
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int rtm_table_default;
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+ /* multipath policy */
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+ u_int32_t mpath;
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+
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/* rib work queue */
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struct work_queue *ribq;
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struct meta_queue *mq;
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