From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Herbert Subject: [PATCH net-next 2/2] ppp: call skb_checksum_complete_unset in ppp_receive_frame Date: Mon, 20 Apr 2015 14:10:05 -0700 Message-ID: <1429564205-1661247-3-git-send-email-tom@herbertland.com> References: <1429564205-1661247-1-git-send-email-tom@herbertland.com> Mime-Version: 1.0 Content-Type: text/plain To: Return-path: Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:21859 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754471AbbDTVK2 (ORCPT ); Mon, 20 Apr 2015 17:10:28 -0400 Received: from pps.filterd (m0044012 [127.0.0.1]) by mx0a-00082601.pphosted.com (8.14.5/8.14.5) with SMTP id t3KL2rlg002120 for ; Mon, 20 Apr 2015 14:10:28 -0700 Received: from mail.thefacebook.com ([199.201.64.23]) by mx0a-00082601.pphosted.com with ESMTP id 1tw91cg0cj-1 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT) for ; Mon, 20 Apr 2015 14:10:28 -0700 Received: from facebook.com (2401:db00:20:702e:face:0:23:0) by mx-out.facebook.com (10.212.236.87) with ESMTP id aad26814e7a111e4aecf0002c9521c9e-b60a32c0 for ; Mon, 20 Apr 2015 14:10:27 -0700 In-Reply-To: <1429564205-1661247-1-git-send-email-tom@herbertland.com> Sender: netdev-owner@vger.kernel.org List-ID: Call checksum_complete_unset in PPP receive to discard checksum-complete value. PPP does not pull checksum for headers and also modifies packet as in VJ compression. Signed-off-by: Tom Herbert --- drivers/net/ppp/ppp_generic.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index af034db..9d15566 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -1716,6 +1716,7 @@ ppp_receive_frame(struct ppp *ppp, struct sk_buff *skb, struct channel *pch) { /* note: a 0-length skb is used as an error indication */ if (skb->len > 0) { + skb_checksum_complete_unset(skb); #ifdef CONFIG_PPP_MULTILINK /* XXX do channel-level decompression here */ if (PPP_PROTO(skb) == PPP_MP) -- 1.8.1