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Message-Id: <20171213151357.29822-1-jiri@resnulli.us>
Date: Wed, 13 Dec 2017 16:13:57 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, jhs@...atatu.com, xiyou.wangcong@...il.com,
mlxsw@...lanox.com, andrew@...n.ch,
vivien.didelot@...oirfairelinux.com, f.fainelli@...il.com,
michael.chan@...adcom.com, ganeshgr@...lsio.com,
saeedm@...lanox.com, matanb@...lanox.com, leonro@...lanox.com,
idosch@...lanox.com, jakub.kicinski@...ronome.com,
simon.horman@...ronome.com, pieter.jansenvanvuuren@...ronome.com,
john.hurley@...ronome.com, alexander.h.duyck@...el.com,
ogerlitz@...lanox.com, john.fastabend@...il.com,
daniel@...earbox.net
Subject: [patch iproute2] tc: implement filter block sharing to ingress and clsact qdiscs
From: Jiri Pirko <jiri@...lanox.com>
Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
include/uapi/linux/pkt_sched.h | 11 +++++++++
tc/q_clsact.c | 56 ++++++++++++++++++++++++++++++++++++++----
tc/q_ingress.c | 32 +++++++++++++++++++++---
3 files changed, 91 insertions(+), 8 deletions(-)
diff --git a/include/uapi/linux/pkt_sched.h b/include/uapi/linux/pkt_sched.h
index af3cc2f..0feee36 100644
--- a/include/uapi/linux/pkt_sched.h
+++ b/include/uapi/linux/pkt_sched.h
@@ -935,4 +935,15 @@ enum {
#define TCA_CBS_MAX (__TCA_CBS_MAX - 1)
+/* Ingress/clsact */
+
+enum {
+ TCA_CLSACT_UNSPEC,
+ TCA_CLSACT_INGRESS_BLOCK,
+ TCA_CLSACT_EGRESS_BLOCK,
+ __TCA_CLSACT_MAX
+};
+
+#define TCA_CLSACT_MAX (__TCA_CLSACT_MAX - 1)
+
#endif
diff --git a/tc/q_clsact.c b/tc/q_clsact.c
index 341f653..06d67db 100644
--- a/tc/q_clsact.c
+++ b/tc/q_clsact.c
@@ -7,23 +7,69 @@
static void explain(void)
{
- fprintf(stderr, "Usage: ... clsact\n");
+ fprintf(stderr, "Usage: ... clsact [ingress_block BLOCK_INDEX] [egress_block BLOCK_INDEX]\n");
}
static int clsact_parse_opt(struct qdisc_util *qu, int argc, char **argv,
struct nlmsghdr *n, const char *dev)
{
- if (argc > 0) {
- fprintf(stderr, "What is \"%s\"?\n", *argv);
- explain();
- return -1;
+ struct rtattr *tail;
+ unsigned int ingress_block = 0;
+ unsigned int egress_block = 0;
+
+ while (argc > 0) {
+ if (strcmp(*argv, "ingress_block") == 0) {
+ NEXT_ARG();
+ if (get_unsigned(&ingress_block, *argv, 0)) {
+ fprintf(stderr, "Illegal \"ingress_block\"\n");
+ return -1;
+ }
+ } else if (strcmp(*argv, "egress_block") == 0) {
+ NEXT_ARG();
+ if (get_unsigned(&egress_block, *argv, 0)) {
+ fprintf(stderr, "Illegal \"egress_block\"\n");
+ return -1;
+ }
+ } else {
+ fprintf(stderr, "What is \"%s\"?\n", *argv);
+ explain();
+ return -1;
+ }
+ NEXT_ARG_FWD();
}
+ tail = NLMSG_TAIL(n);
+ addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
+ if (ingress_block)
+ addattr32(n, 1024, TCA_CLSACT_INGRESS_BLOCK, ingress_block);
+ if (egress_block)
+ addattr32(n, 1024, TCA_CLSACT_EGRESS_BLOCK, egress_block);
+ tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
return 0;
}
static int clsact_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
{
+ struct rtattr *tb[TCA_CLSACT_MAX + 1];
+ unsigned int block;
+
+ if (!opt)
+ return 0;
+
+ parse_rtattr_nested(tb, TCA_CLSACT_MAX, opt);
+
+ if (tb[TCA_CLSACT_INGRESS_BLOCK] &&
+ RTA_PAYLOAD(tb[TCA_CLSACT_INGRESS_BLOCK]) >= sizeof(__u32)) {
+ block = rta_getattr_u32(tb[TCA_CLSACT_INGRESS_BLOCK]);
+ print_uint(PRINT_ANY, "ingress_block",
+ "ingress_block %u ", block);
+ }
+ if (tb[TCA_CLSACT_EGRESS_BLOCK] &&
+ RTA_PAYLOAD(tb[TCA_CLSACT_EGRESS_BLOCK]) >= sizeof(__u32)) {
+ block = rta_getattr_u32(tb[TCA_CLSACT_EGRESS_BLOCK]);
+ print_uint(PRINT_ANY, "egress_block",
+ "egress_block %u ", block);
+ }
return 0;
}
diff --git a/tc/q_ingress.c b/tc/q_ingress.c
index 1e42229..6899c4d 100644
--- a/tc/q_ingress.c
+++ b/tc/q_ingress.c
@@ -17,30 +17,56 @@
static void explain(void)
{
- fprintf(stderr, "Usage: ... ingress\n");
+ fprintf(stderr, "Usage: ... ingress [block BLOCK_INDEX]\n");
}
static int ingress_parse_opt(struct qdisc_util *qu, int argc, char **argv,
struct nlmsghdr *n, const char *dev)
{
+ struct rtattr *tail;
+ unsigned int block;
+
while (argc > 0) {
if (strcmp(*argv, "handle") == 0) {
NEXT_ARG();
- argc--; argv++;
+ } else if (strcmp(*argv, "block") == 0) {
+ NEXT_ARG();
+ if (get_unsigned(&block, *argv, 0)) {
+ fprintf(stderr, "Illegal \"block\"\n");
+ return -1;
+ }
} else {
fprintf(stderr, "What is \"%s\"?\n", *argv);
explain();
return -1;
}
+ NEXT_ARG_FWD();
}
+ tail = NLMSG_TAIL(n);
+ addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
+ if (block)
+ addattr32(n, 1024, TCA_CLSACT_INGRESS_BLOCK, block);
+ tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
return 0;
}
static int ingress_print_opt(struct qdisc_util *qu, FILE *f,
struct rtattr *opt)
{
- fprintf(f, "---------------- ");
+ struct rtattr *tb[TCA_CLSACT_MAX + 1];
+ unsigned int block;
+
+ if (!opt)
+ return 0;
+
+ parse_rtattr_nested(tb, TCA_CLSACT_MAX, opt);
+
+ if (tb[TCA_CLSACT_INGRESS_BLOCK] &&
+ RTA_PAYLOAD(tb[TCA_CLSACT_INGRESS_BLOCK]) >= sizeof(__u32)) {
+ block = rta_getattr_u32(tb[TCA_CLSACT_INGRESS_BLOCK]);
+ print_uint(PRINT_ANY, "block", "block %u ", block);
+ }
return 0;
}
--
2.9.5
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