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![Nicolas Dichtel](/assets/img/avatar_default.png)
The first netlink attribute (value 0) must always be defined as none/unspec. This is correctly done in inet_diag.h, but other diag interfaces are wrong. Because we cannot change an existing API, I add a comment to point the mistake and avoid to propagate it in a new diag API in the future. CC: Thomas Graf <tgraf@suug.ch> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
53 lines
1 KiB
C
53 lines
1 KiB
C
#ifndef __NETLINK_DIAG_H__
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#define __NETLINK_DIAG_H__
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#include <linux/types.h>
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struct netlink_diag_req {
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__u8 sdiag_family;
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__u8 sdiag_protocol;
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__u16 pad;
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__u32 ndiag_ino;
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__u32 ndiag_show;
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__u32 ndiag_cookie[2];
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};
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struct netlink_diag_msg {
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__u8 ndiag_family;
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__u8 ndiag_type;
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__u8 ndiag_protocol;
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__u8 ndiag_state;
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__u32 ndiag_portid;
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__u32 ndiag_dst_portid;
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__u32 ndiag_dst_group;
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__u32 ndiag_ino;
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__u32 ndiag_cookie[2];
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};
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struct netlink_diag_ring {
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__u32 ndr_block_size;
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__u32 ndr_block_nr;
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__u32 ndr_frame_size;
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__u32 ndr_frame_nr;
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};
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enum {
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/* NETLINK_DIAG_NONE, standard nl API requires this attribute! */
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NETLINK_DIAG_MEMINFO,
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NETLINK_DIAG_GROUPS,
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NETLINK_DIAG_RX_RING,
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NETLINK_DIAG_TX_RING,
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__NETLINK_DIAG_MAX,
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};
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#define NETLINK_DIAG_MAX (__NETLINK_DIAG_MAX - 1)
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#define NDIAG_PROTO_ALL ((__u8) ~0)
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#define NDIAG_SHOW_MEMINFO 0x00000001 /* show memory info of a socket */
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#define NDIAG_SHOW_GROUPS 0x00000002 /* show groups of a netlink socket */
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#define NDIAG_SHOW_RING_CFG 0x00000004 /* show ring configuration */
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#endif
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