From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 527ADC5519C for ; Sun, 26 Apr 2020 13:24:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2F14F206DD for ; Sun, 26 Apr 2020 13:24:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726442AbgDZNYr (ORCPT ); Sun, 26 Apr 2020 09:24:47 -0400 Received: from correo.us.es ([193.147.175.20]:42938 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726340AbgDZNYQ (ORCPT ); Sun, 26 Apr 2020 09:24:16 -0400 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id B535A1BFA8C for ; Sun, 26 Apr 2020 15:24:13 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 9B161B8006 for ; Sun, 26 Apr 2020 15:24:13 +0200 (CEST) Received: by antivirus1-rhel7.int (Postfix, from userid 99) id C3D57B8010; Sun, 26 Apr 2020 15:24:05 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id B4FF6B7FF4; Sun, 26 Apr 2020 15:24:03 +0200 (CEST) Received: from 192.168.1.97 (192.168.1.97) by antivirus1-rhel7.int (F-Secure/fsigk_smtp/550/antivirus1-rhel7.int); Sun, 26 Apr 2020 15:24:03 +0200 (CEST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/antivirus1-rhel7.int) Received: from localhost.localdomain (unknown [90.77.255.23]) (Authenticated sender: pneira@us.es) by entrada.int (Postfix) with ESMTPA id 95BE642EF4E1; Sun, 26 Apr 2020 15:24:03 +0200 (CEST) X-SMTPAUTHUS: auth mail.us.es From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: duncan_roe@optusnet.com.au Subject: [PATCH libnetfilter_queue 3/3] pktbuff: add pktb_reset_network_header() and pktb_set_network_header() Date: Sun, 26 Apr 2020 15:23:56 +0200 Message-Id: <20200426132356.8346-4-pablo@netfilter.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200426132356.8346-1-pablo@netfilter.org> References: <20200426132356.8346-1-pablo@netfilter.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Virus-Scanned: ClamAV using ClamSMTP Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org Signed-off-by: Pablo Neira Ayuso --- include/libnetfilter_queue/pktbuff.h | 3 +++ src/extra/pktbuff.c | 13 +++++++++++++ 2 files changed, 16 insertions(+) diff --git a/include/libnetfilter_queue/pktbuff.h b/include/libnetfilter_queue/pktbuff.h index f9bddaf072fb..875157922c81 100644 --- a/include/libnetfilter_queue/pktbuff.h +++ b/include/libnetfilter_queue/pktbuff.h @@ -9,6 +9,9 @@ void pktb_free(struct pkt_buff *pktb); void pktb_build_data(struct pkt_buff *pktb, uint8_t *payload, uint32_t len); +void pktb_reset_network_header(struct pkt_buff *pktb); +void pktb_set_network_header(struct pkt_buff *pktb, const int offset); + uint8_t *pktb_data(struct pkt_buff *pktb); uint32_t pktb_len(struct pkt_buff *pktb); diff --git a/src/extra/pktbuff.c b/src/extra/pktbuff.c index a93e72ac7795..3ff287e57315 100644 --- a/src/extra/pktbuff.c +++ b/src/extra/pktbuff.c @@ -267,6 +267,19 @@ uint8_t *pktb_network_header(struct pkt_buff *pktb) return pktb->network_header; } +EXPORT_SYMBOL +void pktb_reset_network_header(struct pkt_buff *pktb) +{ + pktb->network_header = pktb->data; +} + +EXPORT_SYMBOL +void pktb_set_network_header(struct pkt_buff *pktb, const int offset) +{ + pktb_reset_network_header(pktb); + pktb->network_header += offset; +} + /** * pktb_transport_header - get address of layer 4 header (if known) * \param pktb Pointer to userspace packet buffer -- 2.20.1