From: Marcel Holtmann <marcel@holtmann.org>
To: ell@lists.linux.dev
Subject: [RFC PATCH 1/2] netlink: Workaround missing NETLINK_EXT_ACK define
Date: Sat, 11 Nov 2023 19:07:52 +0100 [thread overview]
Message-ID: <20231111180753.51488-1-marcel@holtmann.org> (raw)
This works around the missing NETLINK_EXT_ACK define of really really
old kernel version and defines the missing enum nlmsgerr_attrs.
---
ell/netlink-private.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/ell/netlink-private.h b/ell/netlink-private.h
index 229b1d442ad8..0a1b016d8887 100644
--- a/ell/netlink-private.h
+++ b/ell/netlink-private.h
@@ -20,6 +20,15 @@
#define NLA_DATA(nla) ((void*)(((char*)(nla)) + NLA_LENGTH(0)))
#define NLA_PAYLOAD(nla) ((int)((nla)->nla_len) - NLA_LENGTH(0))
+#ifndef NETLINK_EXT_ACK
+#define NETLINK_EXT_ACK 11
+enum nlmsgerr_attrs {
+ NLMSGERR_ATTR_UNUSED,
+ NLMSGERR_ATTR_MSG,
+ NLMSGERR_ATTR_OFFS,
+};
+#endif
+
bool netlink_parse_ext_ack_error(const struct nlmsghdr *nlmsg,
const char **out_error_msg,
uint32_t *out_error_offset);
--
2.41.0
next reply other threads:[~2023-11-11 18:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-11 18:07 Marcel Holtmann [this message]
2023-11-19 16:49 ` [RFC PATCH 1/2] netlink: Workaround missing NETLINK_EXT_ACK define Marcel Holtmann
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