[PATCH] tc: add rtnl_tc_stat2str() and rtnl_tc_str2stat()

[Cong Wang]

Signed-off-by: Cong Wang <xiyou.wangcong at gmail.com>
---
 include/netlink/route/tc.h |  2 ++
 lib/route/tc.c             | 22 ++++++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/include/netlink/route/tc.h b/include/netlink/route/tc.h
index 870c1f2..f1f0f8d 100644
--- a/include/netlink/route/tc.h
+++ b/include/netlink/route/tc.h
@@ -97,6 +97,8 @@ extern uint32_t		rtnl_tc_get_parent(struct rtnl_tc *);
 extern int		rtnl_tc_set_kind(struct rtnl_tc *, const char *);
 extern char *		rtnl_tc_get_kind(struct rtnl_tc *);
 extern uint64_t		rtnl_tc_get_stat(struct rtnl_tc *, enum rtnl_tc_stat);
+extern char *		rtnl_tc_stat2str(enum rtnl_tc_stat, char *, size_t);
+extern int		rtnl_tc_str2stat(const char *);
 
 extern int		rtnl_tc_calc_txtime(int, int);
 extern int		rtnl_tc_calc_bufsize(int, int);
diff --git a/lib/route/tc.c b/lib/route/tc.c
index 1dcb986..b24c06e 100644
--- a/lib/route/tc.c
+++ b/lib/route/tc.c
@@ -564,6 +564,28 @@ uint64_t rtnl_tc_get_stat(struct rtnl_tc *tc, enum rtnl_tc_stat id)
  * @{
  */
 
+static const struct trans_tbl tc_stats[] = {
+	__ADD(RTNL_TC_PACKETS, packets),
+	__ADD(RTNL_TC_BYTES, bytes),
+	__ADD(RTNL_TC_RATE_BPS, rate_bps),
+	__ADD(RTNL_TC_RATE_PPS, rate_pps),
+	__ADD(RTNL_TC_QLEN, qlen),
+	__ADD(RTNL_TC_BACKLOG, backlog),
+	__ADD(RTNL_TC_DROPS, drops),
+	__ADD(RTNL_TC_REQUEUES, requeues),
+	__ADD(RTNL_TC_OVERLIMITS, overlimits),
+};
+
+char *rtnl_tc_stat2str(enum rtnl_tc_stat st, char *buf, size_t len)
+{
+	return __type2str(st, buf, len, tc_stats, ARRAY_SIZE(tc_stats));
+}
+
+int rtnl_tc_str2stat(const char *name)
+{
+	return __str2type(name, tc_stats, ARRAY_SIZE(tc_stats));
+}
+
 /**
  * Calculate time required to transmit buffer at a specific rate
  * @arg bufsize		Size of buffer to be transmited in bytes.
-- 
1.8.3.1