remove support for IP multipath

IP multipath routing was so buggy that it was dropped from the
current kernel.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>

diff --git a/ip/iproute.c b/ip/iproute.c
index 77bdf83c40043f4a7ee077eb9d0274b2b84c0fc6..d9fc44ba2f9548ad32d6dfac4ec4047684effa2e 100644 (file)
--- a/ip/iproute.c
+++ b/ip/iproute.c
@@ -28,7 +28,6 @@
 #include <netinet/ip.h>
 #include <arpa/inet.h>
 #include <linux/in_route.h>
-#include <linux/ip_mp_alg.h>
 
 #include "rt_names.h"
 #include "utils.h"
@@ -68,7 +67,6 @@ static void usage(void)
        fprintf(stderr, "NODE_SPEC := [ TYPE ] PREFIX [ tos TOS ]\n");
        fprintf(stderr, "             [ table TABLE_ID ] [ proto RTPROTO ]\n");
        fprintf(stderr, "             [ scope SCOPE ] [ metric METRIC ]\n");
-       fprintf(stderr, "             [ mpath MP_ALGO ]\n");
        fprintf(stderr, "INFO_SPEC := NH OPTIONS FLAGS [ nexthop NH ]...\n");
        fprintf(stderr, "NH := [ via ADDRESS ] [ dev STRING ] [ weight NUMBER ] NHFLAGS\n");
        fprintf(stderr, "OPTIONS := FLAGS [ mtu NUMBER ] [ advmss NUMBER ]\n");
@@ -112,14 +110,6 @@ static struct
        inet_prefix msrc;
 } filter;
 
-static char *mp_alg_names[IP_MP_ALG_MAX+1] = {
-       [IP_MP_ALG_NONE] = "none",
-       [IP_MP_ALG_RR] = "rr",
-       [IP_MP_ALG_DRR] = "drr",
-       [IP_MP_ALG_RANDOM] = "random",
-       [IP_MP_ALG_WRANDOM] = "wrandom"
-};
-
 static int flush_update(void)
 {
        if (rtnl_send(&rth, filter.flushb, filter.flushp) < 0) {
@@ -361,14 +351,6 @@ int print_route(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
                fprintf(fp, "tos %s ", rtnl_dsfield_n2a(r->rtm_tos, b1, sizeof(b1)));
        }
 
-       if (tb[RTA_MP_ALGO]) {
-               __u32 mp_alg = *(__u32*) RTA_DATA(tb[RTA_MP_ALGO]);
-               if (mp_alg > IP_MP_ALG_NONE) {
-                       fprintf(fp, "mpath %s ",
-                           mp_alg < IP_MP_ALG_MAX ? mp_alg_names[mp_alg] : "unknown");
-               }
-       }
-
        if (tb[RTA_GATEWAY] && filter.rvia.bitlen != host_len) {
                fprintf(fp, "via %s ",
                        format_host(r->rtm_family,
@@ -906,18 +888,6 @@ int iproute_modify(int cmd, unsigned flags, int argc, char **argv)
                           strcmp(*argv, "oif") == 0) {
                        NEXT_ARG();
                        d = *argv;
-               } else if (strcmp(*argv, "mpath") == 0 ||
-                          strcmp(*argv, "mp") == 0) {
-                       int i;
-                       __u32 mp_alg = IP_MP_ALG_NONE;
-
-                       NEXT_ARG();
-                       for (i = 1; i < ARRAY_SIZE(mp_alg_names); i++)
-                               if (strcmp(*argv, mp_alg_names[i]) == 0)
-                                       mp_alg = i;
-                       if (mp_alg == IP_MP_ALG_NONE)
-                               invarg("\"mpath\" value is invalid\n", *argv);
-                       addattr_l(&req.n, sizeof(req), RTA_MP_ALGO, &mp_alg, sizeof(mp_alg));
                } else {
                        int type;
                        inet_prefix dst;