[patch iproute2 net-next v9 4/4] tc: implement ingress/egress block index attributes for qdiscs

[Jiri Pirko]

From: Jiri Pirko <j...@mellanox.com>

Signed-off-by: Jiri Pirko <j...@mellanox.com>
---
 tc/tc_qdisc.c | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/tc/tc_qdisc.c b/tc/tc_qdisc.c
index 3f91558..9f06d37 100644
--- a/tc/tc_qdisc.c
+++ b/tc/tc_qdisc.c
@@ -31,6 +31,7 @@ static int usage(void)
        fprintf(stderr, "       [ handle QHANDLE ] [ root | ingress | clsact | 
parent CLASSID ]\n");
        fprintf(stderr, "       [ estimator INTERVAL TIME_CONSTANT ]\n");
        fprintf(stderr, "       [ stab [ help | STAB_OPTIONS] ]\n");
+       fprintf(stderr, "       [ ingress_block BLOCK_INDEX ] [ egress_block 
BLOCK_INDEX ]\n");
        fprintf(stderr, "       [ [ QDISC_KIND ] [ help | OPTIONS ] ]\n");
        fprintf(stderr, "\n");
        fprintf(stderr, "       tc qdisc show [ dev STRING ] [ ingress | clsact 
] [ invisible ]\n");
@@ -61,6 +62,8 @@ static int tc_qdisc_modify(int cmd, unsigned int flags, int 
argc, char **argv)
                .n.nlmsg_type = cmd,
                .t.tcm_family = AF_UNSPEC,
        };
+       __u32 ingress_block = 0;
+       __u32 egress_block = 0;
 
        while (argc > 0) {
                if (strcmp(*argv, "dev") == 0) {
@@ -121,6 +124,14 @@ static int tc_qdisc_modify(int cmd, unsigned int flags, 
int argc, char **argv)
                        if (parse_size_table(&argc, &argv, &stab.szopts) < 0)
                                return -1;
                        continue;
+               } else if (matches(*argv, "ingress_block") == 0) {
+                       NEXT_ARG();
+                       if (get_u32(&ingress_block, *argv, 0) || !ingress_block)
+                               invarg("invalid ingress block index value", 
*argv);
+               } else if (matches(*argv, "egress_block") == 0) {
+                       NEXT_ARG();
+                       if (get_u32(&egress_block, *argv, 0) || !egress_block)
+                               invarg("invalid egress block index value", 
*argv);
                } else if (matches(*argv, "help") == 0) {
                        usage();
                } else {
@@ -138,6 +149,13 @@ static int tc_qdisc_modify(int cmd, unsigned int flags, 
int argc, char **argv)
        if (est.ewma_log)
                addattr_l(&req.n, sizeof(req), TCA_RATE, &est, sizeof(est));
 
+       if (ingress_block)
+               addattr32(&req.n, sizeof(req),
+                         TCA_INGRESS_BLOCK, ingress_block);
+       if (egress_block)
+               addattr32(&req.n, sizeof(req),
+                         TCA_EGRESS_BLOCK, egress_block);
+
        if (q) {
                if (q->parse_qopt) {
                        if (q->parse_qopt(q, argc, argv, &req.n, d))
@@ -270,6 +288,24 @@ int print_qdisc(const struct sockaddr_nl *who,
            (rta_getattr_u8(tb[TCA_HW_OFFLOAD])))
                print_bool(PRINT_ANY, "offloaded", "offloaded ", true);
 
+       if (tb[TCA_INGRESS_BLOCK] &&
+           RTA_PAYLOAD(tb[TCA_INGRESS_BLOCK]) >= sizeof(__u32)) {
+               __u32 block = rta_getattr_u32(tb[TCA_INGRESS_BLOCK]);
+
+               if (block)
+                       print_uint(PRINT_ANY, "ingress_block",
+                                  "ingress_block %u ", block);
+       }
+
+       if (tb[TCA_EGRESS_BLOCK] &&
+           RTA_PAYLOAD(tb[TCA_EGRESS_BLOCK]) >= sizeof(__u32)) {
+               __u32 block = rta_getattr_u32(tb[TCA_EGRESS_BLOCK]);
+
+               if (block)
+                       print_uint(PRINT_ANY, "egress_block",
+                                  "egress_block %u ", block);
+       }
+
        /* pfifo_fast is generic enough to warrant the hardcoding --JHS */
        if (strcmp("pfifo_fast", RTA_DATA(tb[TCA_KIND])) == 0)
                q = get_qdisc_kind("prio");
-- 
2.9.5