[PATCH iproute2 4/6] ip route: Change type mask to bitmask

[David Ahern]

Allow option to select multiple route types to show or exlude
specific route types.

Signed-off-by: David Ahern <d...@cumulusnetworks.com>
---
 ip/iproute.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/ip/iproute.c b/ip/iproute.c
index 8224d7ffa94b..aae693d17be8 100644
--- a/ip/iproute.c
+++ b/ip/iproute.c
@@ -113,7 +113,7 @@ static struct
        int flushe;
        int protocol, protocolmask;
        int scope, scopemask;
-       int type, typemask;
+       __u64 typemask;
        int tos, tosmask;
        int iif, iifmask;
        int oif, oifmask;
@@ -178,7 +178,8 @@ static int filter_nlmsg(struct nlmsghdr *n, struct rtattr 
**tb, int host_len)
                return 0;
        if ((filter.scope^r->rtm_scope)&filter.scopemask)
                return 0;
-       if ((filter.type^r->rtm_type)&filter.typemask)
+
+       if (filter.typemask && !(filter.typemask & (1 << r->rtm_type)))
                return 0;
        if ((filter.tos^r->rtm_tos)&filter.tosmask)
                return 0;
@@ -365,7 +366,8 @@ int print_route(const struct sockaddr_nl *who, struct 
nlmsghdr *n, void *arg)
 
        if (n->nlmsg_type == RTM_DELROUTE)
                fprintf(fp, "Deleted ");
-       if ((r->rtm_type != RTN_UNICAST || show_details > 0) && !filter.type)
+       if ((r->rtm_type != RTN_UNICAST || show_details > 0) &&
+           (!filter.typemask || (filter.typemask & (1 << r->rtm_type))))
                fprintf(fp, "%s ", rtnl_rtntype_n2a(r->rtm_type, b1, 
sizeof(b1)));
 
        if (tb[RTA_DST]) {
@@ -1433,10 +1435,9 @@ static int iproute_list_flush_or_save(int argc, char 
**argv, int action)
                        int type;
 
                        NEXT_ARG();
-                       filter.typemask = -1;
                        if (rtnl_rtntype_a2n(&type, *argv))
                                invarg("node type value is invalid\n", *argv);
-                       filter.type = type;
+                       filter.typemask = (1<<type);
                } else if (strcmp(*argv, "dev") == 0 ||
                           strcmp(*argv, "oif") == 0) {
                        NEXT_ARG();
-- 
2.1.4