From 386e50cc7d82b3799ea6f53267f04f123ae05afe Mon Sep 17 00:00:00 2001 From: Andrew Hendry Date: Wed, 18 Nov 2009 23:30:41 -0800 Subject: X25: Enable setting of cause and diagnostic fields Adds SIOCX25SCAUSEDIAG, allowing X.25 programs to set the cause and diagnostic fields. Normally used to indicate status upon closing connections. Signed-off-by: Andrew Hendry Signed-off-by: David S. Miller --- include/linux/x25.h | 1 + net/x25/af_x25.c | 12 ++++++++++++ net/x25/x25_subr.c | 6 ++++++ 3 files changed, 19 insertions(+) diff --git a/include/linux/x25.h b/include/linux/x25.h index d035e4e87d0..6450a7f1207 100644 --- a/include/linux/x25.h +++ b/include/linux/x25.h @@ -25,6 +25,7 @@ #define SIOCX25SENDCALLACCPT (SIOCPROTOPRIVATE + 9) #define SIOCX25GDTEFACILITIES (SIOCPROTOPRIVATE + 10) #define SIOCX25SDTEFACILITIES (SIOCPROTOPRIVATE + 11) +#define SIOCX25SCAUSEDIAG (SIOCPROTOPRIVATE + 12) /* * Values for {get,set}sockopt. diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 39ce03e07d1..ac7dba46fa3 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -1471,6 +1471,17 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) break; } + case SIOCX25SCAUSEDIAG: { + struct x25_causediag causediag; + rc = -EFAULT; + if (copy_from_user(&causediag, argp, sizeof(causediag))) + break; + x25->causediag = causediag; + rc = 0; + break; + + } + case SIOCX25SCUDMATCHLEN: { struct x25_subaddr sub_addr; rc = -EINVAL; @@ -1639,6 +1650,7 @@ static int compat_x25_ioctl(struct socket *sock, unsigned int cmd, case SIOCX25GCALLUSERDATA: case SIOCX25SCALLUSERDATA: case SIOCX25GCAUSEDIAG: + case SIOCX25SCAUSEDIAG: case SIOCX25SCUDMATCHLEN: case SIOCX25CALLACCPTAPPRV: case SIOCX25SENDCALLACCPT: diff --git a/net/x25/x25_subr.c b/net/x25/x25_subr.c index 511a5986af3..352b32d216f 100644 --- a/net/x25/x25_subr.c +++ b/net/x25/x25_subr.c @@ -225,6 +225,12 @@ void x25_write_internal(struct sock *sk, int frametype) break; case X25_CLEAR_REQUEST: + dptr = skb_put(skb, 3); + *dptr++ = frametype; + *dptr++ = x25->causediag.cause; + *dptr++ = x25->causediag.diagnostic; + break; + case X25_RESET_REQUEST: dptr = skb_put(skb, 3); *dptr++ = frametype; -- cgit v1.2.3-18-g5258