[RFC PATCH net-next v3 01/21] netlink: introduce nla_put_bitfield32()
From: Michal Kubecek <hidden>
Date: 2019-02-18 18:24:33
Also in:
lkml
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Similar to other data types, this helper puts NLA_BITFIELD32 attribute into a netlink message. It takes separate value and selector arguments, if there is a struct nla_bitfield32 already, one can use nla_put(). Signed-off-by: Michal Kubecek <redacted> --- include/net/netlink.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/include/net/netlink.h b/include/net/netlink.h
index 23f27b0b3cef..bc0497076bec 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h@@ -1211,6 +1211,21 @@ static inline int nla_put_in6_addr(struct sk_buff *skb, int attrtype, return nla_put(skb, attrtype, sizeof(*addr), addr); } +/** + * nla_put_bitfield32 - Add a bitfield32 value/selector attribute to + * a socket buffer + * @skb: socket buffer to add attribute to + * @value: 32-bit value bitmap + * @selector: 32-bit selector bitmap + */ +static inline int nla_put_bitfield32(struct sk_buff *skb, int attrtype, + u32 value, u32 selector) +{ + struct nla_bitfield32 tmp = { .value = value, .selector = selector }; + + return nla_put(skb, attrtype, sizeof(tmp), &tmp); +} + /** * nla_get_u32 - return payload of u32 attribute * @nla: u32 netlink attribute
--
2.20.1