diff options
| author | Beniamino Galvani <bgalvani@redhat.com> | 2018-03-08 17:01:35 +0100 |
|---|---|---|
| committer | Beniamino Galvani <bgalvani@redhat.com> | 2018-03-09 17:52:43 +0100 |
| commit | b107e121b0f6d8a30c3dba7aa0ac04036934eb00 (patch) | |
| tree | 27e836183ab6b7f40911eb0941084b4d56761648 /src/platform/nm-netlink.h | |
| parent | 26c215e22dcfff9e61a58e9348991ed77c3f8861 (diff) | |
platform: print error message from netlink extended ack
From v4.12 the kernel appends some attributes to netlink acks
containing a textual description of the error and other fields (see
commit [1]). Parse those attributes and print the error message.
Examples:
platform-linux: netlink: recvmsg: error message from kernel: Network is unreachable (101) "Nexthop has invalid gateway" for request 12
platform-linux: netlink: recvmsg: error message from kernel: Invalid argument (22) "Local address cannot be multicast" for request 21
[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2d4bc93368f5a0ddb57c8c885cdad9c9b7a10ed5
Diffstat (limited to 'src/platform/nm-netlink.h')
| -rw-r--r-- | src/platform/nm-netlink.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/platform/nm-netlink.h b/src/platform/nm-netlink.h index 42e46d6c69..bd8a9cfaf0 100644 --- a/src/platform/nm-netlink.h +++ b/src/platform/nm-netlink.h @@ -26,7 +26,6 @@ #include <linux/genetlink.h> /*****************************************************************************/ - #define _NLE_BASE 100000 #define NLE_UNSPEC (_NLE_BASE + 0) #define NLE_BUG (_NLE_BASE + 1) @@ -42,6 +41,16 @@ #define _NLE_BASE_END (_NLE_BASE + 11) +#define NLMSGERR_ATTR_UNUSED 0 +#define NLMSGERR_ATTR_MSG 1 +#define NLMSGERR_ATTR_OFFS 2 +#define NLMSGERR_ATTR_COOKIE 3 +#define NLMSGERR_ATTR_MAX 3 + +#ifndef NLM_F_ACK_TLVS +#define NLM_F_ACK_TLVS 0x200 +#endif + static inline int nl_errno (int err) { @@ -484,6 +493,8 @@ int nl_recvmsgs (struct nl_sock *sk, const struct nl_cb *cb); int nl_wait_for_ack (struct nl_sock *sk, const struct nl_cb *cb); +int nl_socket_set_ext_ack (struct nl_sock *sk, gboolean enable); + /*****************************************************************************/ #endif /* __NM_NETLINK_H__ */ |