git: dfed87b5ce9c - main - netlink: add bool type support

The branch main has been updated by kp:

URL: https://cgit.FreeBSD.org/src/commit/?id=dfed87b5ce9c4e82b0227c14a3ed0cafeb814b16

commit dfed87b5ce9c4e82b0227c14a3ed0cafeb814b16
Author:     Kristof Provost <kp@FreeBSD.org>
AuthorDate: 2024-02-26 10:19:28 +0000
Commit:     Kristof Provost <kp@FreeBSD.org>
CommitDate: 2024-02-28 22:26:18 +0000

    netlink: add bool type support
    
    Reviewed by:    melifaro
    Sponsored by:   Rubicon Communications, LLC ("Netgate")
    Differential Revision:  https://reviews.freebsd.org/D44089
---
 sys/netlink/netlink_message_parser.c | 11 +++++++++++
 sys/netlink/netlink_message_parser.h |  2 ++
 sys/netlink/netlink_snl.h            |  6 ++++++
 3 files changed, 19 insertions(+)

diff --git a/sys/netlink/netlink_message_parser.c b/sys/netlink/netlink_message_parser.c
index 8caa13fbf3ce..eafc2d83cbfb 100644
--- a/sys/netlink/netlink_message_parser.c
+++ b/sys/netlink/netlink_message_parser.c
@@ -312,6 +312,17 @@ nlattr_get_ipvia(struct nlattr *nla, struct nl_pstate *npt, const void *arg, voi
 	return (error);
 }
 
+int
+nlattr_get_bool(struct nlattr *nla, struct nl_pstate *npt, const void *arg, void *target)
+{
+	if (__predict_false(NLA_DATA_LEN(nla) != sizeof(bool))) {
+		NLMSG_REPORT_ERR_MSG(npt, "nla type %d size(%u) is not bool",
+		    nla->nla_type, NLA_DATA_LEN(nla));
+		return (EINVAL);
+	}
+	*((bool *)target) = *((const bool *)NL_RTA_DATA_CONST(nla));
+	return (0);
+}
 
 int
 nlattr_get_uint8(struct nlattr *nla, struct nl_pstate *npt, const void *arg, void *target)
diff --git a/sys/netlink/netlink_message_parser.h b/sys/netlink/netlink_message_parser.h
index 7a417c00fc46..49bec646b29e 100644
--- a/sys/netlink/netlink_message_parser.h
+++ b/sys/netlink/netlink_message_parser.h
@@ -173,6 +173,8 @@ int nlattr_get_flag(struct nlattr *nla, struct nl_pstate *npt,
     const void *arg, void *target);
 int nlattr_get_ip(struct nlattr *nla, struct nl_pstate *npt,
     const void *arg, void *target);
+int nlattr_get_bool(struct nlattr *nla, struct nl_pstate *npt,
+    const void *arg, void *target);
 int nlattr_get_uint8(struct nlattr *nla, struct nl_pstate *npt,
     const void *arg, void *target);
 int nlattr_get_uint16(struct nlattr *nla, struct nl_pstate *npt,
diff --git a/sys/netlink/netlink_snl.h b/sys/netlink/netlink_snl.h
index 89ba5b5aef5d..6553a391a8f5 100644
--- a/sys/netlink/netlink_snl.h
+++ b/sys/netlink/netlink_snl.h
@@ -1147,6 +1147,12 @@ snl_add_msg_attr_raw(struct snl_writer *nw, const struct nlattr *nla_src)
 	return (snl_add_msg_attr(nw, nla_src->nla_type, attr_len, (const void *)(nla_src + 1)));
 }
 
+static inline bool
+snl_add_msg_attr_bool(struct snl_writer *nw, int attrtype, bool value)
+{
+	return (snl_add_msg_attr(nw, attrtype, sizeof(bool), &value));
+}
+
 static inline bool
 snl_add_msg_attr_u8(struct snl_writer *nw, int attrtype, uint8_t value)
 {