netlink: add RX/TX-ring support to netlink diag
Based on AF_PACKET.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/uapi/linux/netlink_diag.h b/include/uapi/linux/netlink_diag.h
index 88009a3..4e31db4 100644
--- a/include/uapi/linux/netlink_diag.h
+++ b/include/uapi/linux/netlink_diag.h
@@ -25,9 +25,18 @@
__u32 ndiag_cookie[2];
};
+struct netlink_diag_ring {
+ __u32 ndr_block_size;
+ __u32 ndr_block_nr;
+ __u32 ndr_frame_size;
+ __u32 ndr_frame_nr;
+};
+
enum {
NETLINK_DIAG_MEMINFO,
NETLINK_DIAG_GROUPS,
+ NETLINK_DIAG_RX_RING,
+ NETLINK_DIAG_TX_RING,
__NETLINK_DIAG_MAX,
};
@@ -38,5 +47,6 @@
#define NDIAG_SHOW_MEMINFO 0x00000001 /* show memory info of a socket */
#define NDIAG_SHOW_GROUPS 0x00000002 /* show groups of a netlink socket */
+#define NDIAG_SHOW_RING_CFG 0x00000004 /* show ring configuration */
#endif