packet: Report more packet sk info via diag module

This reports in one rtattr message all the other scalar values, that can be
set on a packet socket with setsockopt.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 23 insertions, 0 deletions

diff --git a/include/linux/packet_diag.h b/include/linux/packet_diag.h
index fa19300ca334..3781ea4bc829 100644
--- a/include/linux/packet_diag.h
+++ b/include/linux/packet_diag.h
@@ -12,6 +12,8 @@ struct packet_diag_req {
         __u32   pdiag_cookie[2];
 };
 
+#define PACKET_SHOW_INFO        0x00000001 /* Basic packet_sk information */
+
 struct packet_diag_msg {
         __u8    pdiag_family;
         __u8    pdiag_type;
@@ -21,4 +23,25 @@ struct packet_diag_msg {
         __u32   pdiag_cookie[2];
 };
 
+enum {
+        PACKET_DIAG_INFO,
+
+        PACKET_DIAG_MAX,
+};
+
+struct packet_diag_info {
+        __u32   pdi_index;
+        __u32   pdi_version;
+        __u32   pdi_reserve;
+        __u32   pdi_copy_thresh;
+        __u32   pdi_tstamp;
+        __u32   pdi_flags;
+
+#define PDI_RUNNING     0x1
+#define PDI_AUXDATA     0x2
+#define PDI_ORIGDEV     0x4
+#define PDI_VNETHDR     0x8
+#define PDI_LOSS        0x10
+};
+
 #endif