diff mbox series

[iproute2,net-next,v3,2/6] include: Add helper to retrieve a __s64 from a netlink msg

Message ID 20181005232522.4848-3-vinicius.gomes@intel.com
State Accepted, archived
Delegated to: David Ahern
Headers show
Series Introduce the taprio scheduler | expand

Commit Message

Vinicius Costa Gomes Oct. 5, 2018, 11:25 p.m. UTC 
This allows signed 64-bit integers to be retrieved from a netlink
message.

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
---
 include/libnetlink.h | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/include/libnetlink.h b/include/libnetlink.h
index 9d9249e6..ffc49e56 100644
--- a/include/libnetlink.h
+++ b/include/libnetlink.h
@@ -185,6 +185,13 @@  static inline __u64 rta_getattr_u64(const struct rtattr *rta)
 	memcpy(&tmp, RTA_DATA(rta), sizeof(__u64));
 	return tmp;
 }
+static inline __s64 rta_getattr_s64(const struct rtattr *rta)
+{
+	__s64 tmp;
+
+	memcpy(&tmp, RTA_DATA(rta), sizeof(tmp));
+	return tmp;
+}
 static inline const char *rta_getattr_str(const struct rtattr *rta)
 {
 	return (const char *)RTA_DATA(rta);