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authorNicolas Dichtel <nicolas.dichtel@6wind.com>2013-04-25 06:53:53 +0000
committerDavid S. Miller <davem@davemloft.net>2013-04-29 13:21:30 -0400
commit76d0eeb1a1579453cfd7c4da22004d4b34187ab4 (patch)
tree86deb897a9bf6fe95b72634a7d413abbd1780629
parent626419038a3e4a1f61119a4af08d01415961eb4e (diff)
packet_diag: disclose meminfo values
sk_rmem_alloc is disclosed via /proc/net/packet but not via netlink messages. The goal is to have the same level of information. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/uapi/linux/packet_diag.h2
-rw-r--r--net/packet/diag.c4
2 files changed, 6 insertions, 0 deletions
diff --git a/include/uapi/linux/packet_diag.h b/include/uapi/linux/packet_diag.h
index 84f83a47b6f..c0802c18c8a 100644
--- a/include/uapi/linux/packet_diag.h
+++ b/include/uapi/linux/packet_diag.h
@@ -16,6 +16,7 @@ struct packet_diag_req {
#define PACKET_SHOW_MCLIST 0x00000002 /* A set of packet_diag_mclist-s */
#define PACKET_SHOW_RING_CFG 0x00000004 /* Rings configuration parameters */
#define PACKET_SHOW_FANOUT 0x00000008
+#define PACKET_SHOW_MEMINFO 0x00000010
struct packet_diag_msg {
__u8 pdiag_family;
@@ -33,6 +34,7 @@ enum {
PACKET_DIAG_TX_RING,
PACKET_DIAG_FANOUT,
PACKET_DIAG_UID,
+ PACKET_DIAG_MEMINFO,
__PACKET_DIAG_MAX,
};
diff --git a/net/packet/diag.c b/net/packet/diag.c
index 04c8219a2d0..822fe9b33a4 100644
--- a/net/packet/diag.c
+++ b/net/packet/diag.c
@@ -166,6 +166,10 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb,
pdiag_put_fanout(po, skb))
goto out_nlmsg_trim;
+ if ((req->pdiag_show & PACKET_SHOW_MEMINFO) &&
+ sock_diag_put_meminfo(sk, skb, PACKET_DIAG_MEMINFO))
+ goto out_nlmsg_trim;
+
return nlmsg_end(skb, nlh);
out_nlmsg_trim: