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packet_diag: disclose meminfo values

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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>
This commit is contained in:
Nicolas Dichtel 2013-04-25 06:53:53 +00:00 committed by David S. Miller
parent 626419038a
commit 76d0eeb1a1
2 changed files with 6 additions and 0 deletions
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2
include/uapi/linux/packet_diag.h
View File

@ -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,
};

4
net/packet/diag.c
View File

@ -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: