Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit cbf39195 authored by Pavel Emelyanov's avatar Pavel Emelyanov Committed by David S. Miller
Browse files

unix_diag: Receive queue lenght NLA 



Signed-off-by: default avatarPavel Emelyanov <xemul@parallels.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2aac7a2c

include/linux/unix_diag.h

+2 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ struct unix_diag_req { 
#define UDIAG_SHOW_VFS		0x00000002	/* show VFS inode info */

#define UDIAG_SHOW_PEER		0x00000004	/* show peer socket info */

#define UDIAG_SHOW_ICONS	0x00000008	/* show pending connections */

#define UDIAG_SHOW_RQLEN	0x00000010	/* show skb receive queue len */



struct unix_diag_msg {

	__u8	udiag_family;
@@ -31,6 +32,7 @@ enum { 
	UNIX_DIAG_VFS,

	UNIX_DIAG_PEER,

	UNIX_DIAG_ICONS,

	UNIX_DIAG_RQLEN,



	UNIX_DIAG_MAX,

};

net/unix/diag.c

+13 −0
Original line number Diff line number Diff line
@@ -98,6 +98,15 @@ static int sk_diag_dump_icons(struct sock *sk, struct sk_buff *nlskb) 
	return -EMSGSIZE;

}



static int sk_diag_show_rqlen(struct sock *sk, struct sk_buff *nlskb)

{

	RTA_PUT_U32(nlskb, UNIX_DIAG_RQLEN, sk->sk_receive_queue.qlen);

	return 0;



rtattr_failure:

	return -EMSGSIZE;

}



static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_req *req,

		u32 pid, u32 seq, u32 flags, int sk_ino)

{
@@ -132,6 +141,10 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_r 
			sk_diag_dump_icons(sk, skb))

		goto nlmsg_failure;



	if ((req->udiag_show & UDIAG_SHOW_RQLEN) &&

			sk_diag_show_rqlen(sk, skb))

		goto nlmsg_failure;



	nlh->nlmsg_len = skb_tail_pointer(skb) - b;

	return skb->len;