From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932653Ab2EaPps (ORCPT ); Thu, 31 May 2012 11:45:48 -0400 Received: from slapinbuild.ihdev.net ([46.4.202.25]:55458 "EHLO build.ossfans.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932527Ab2EaPpr (ORCPT ); Thu, 31 May 2012 11:45:47 -0400 X-Greylist: delayed 845 seconds by postgrey-1.27 at vger.kernel.org; Thu, 31 May 2012 11:45:44 EDT From: Sergey Lapin To: "David S. Miller" Cc: linux-kernel@vger.kernel.org, linux-x25@vger.kernel.org, Sergey Lapin Subject: [PATCH 1/2] LAPB: added 'delivered' interface Date: Thu, 31 May 2012 11:31:17 -0400 Message-Id: <1338478278-24732-1-git-send-email-slapin@ossfans.org> X-Mailer: git-send-email 1.7.2.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When using LAPB API for non-X.25 work, it is often necessary to know if/when data is delivered to third party using LAPB interface (e.g over serial or other media). Signed-off-by: Sergey Lapin --- include/linux/lapb.h | 1 + net/lapb/lapb_iface.c | 6 ++++++ net/lapb/lapb_subr.c | 1 + 3 files changed, 8 insertions(+), 0 deletions(-) diff --git a/include/linux/lapb.h b/include/linux/lapb.h index 873c1eb..fd963be 100644 --- a/include/linux/lapb.h +++ b/include/linux/lapb.h @@ -30,6 +30,7 @@ struct lapb_register_struct { void (*disconnect_indication)(struct net_device *dev, int reason); int (*data_indication)(struct net_device *dev, struct sk_buff *skb); void (*data_transmit)(struct net_device *dev, struct sk_buff *skb); + void (*data_delivered)(struct net_device *dev, struct sk_buff *skb); }; struct lapb_parms_struct { diff --git a/net/lapb/lapb_iface.c b/net/lapb/lapb_iface.c index 3cdaa04..0fe77ae 100644 --- a/net/lapb/lapb_iface.c +++ b/net/lapb/lapb_iface.c @@ -415,6 +415,12 @@ int lapb_data_transmit(struct lapb_cb *lapb, struct sk_buff *skb) return used; } +void lapb_data_delivered(struct lapb_cb *lapb, struct sk_buff *skb) +{ + if (lapb->callbacks->data_delivered) + lapb->callbacks->data_delivered(lapb->dev, skb); +} + EXPORT_SYMBOL(lapb_register); EXPORT_SYMBOL(lapb_unregister); EXPORT_SYMBOL(lapb_getparms); diff --git a/net/lapb/lapb_subr.c b/net/lapb/lapb_subr.c index 9d0a426..a44451d 100644 --- a/net/lapb/lapb_subr.c +++ b/net/lapb/lapb_subr.c @@ -61,6 +61,7 @@ void lapb_frames_acked(struct lapb_cb *lapb, unsigned short nr) if (lapb->va != nr) while (skb_peek(&lapb->ack_queue) && lapb->va != nr) { skb = skb_dequeue(&lapb->ack_queue); + lapb_data_delivered(lapb, skb); kfree_skb(skb); lapb->va = (lapb->va + 1) % modulus; } -- 1.7.5.4