From patchwork Fri Jan 3 03:18:30 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "fan.du" X-Patchwork-Id: 306406 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 78A362C00A6 for ; Fri, 3 Jan 2014 14:19:08 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753879AbaACDTE (ORCPT ); Thu, 2 Jan 2014 22:19:04 -0500 Received: from mail1.windriver.com ([147.11.146.13]:47830 "EHLO mail1.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753631AbaACDSo (ORCPT ); Thu, 2 Jan 2014 22:18:44 -0500 Received: from ALA-HCB.corp.ad.wrs.com (ala-hcb.corp.ad.wrs.com [147.11.189.41]) by mail1.windriver.com (8.14.5/8.14.5) with ESMTP id s033Ifij014689 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Thu, 2 Jan 2014 19:18:41 -0800 (PST) Received: from iamroot-OptiPlex-780.corp.ad.wrs.com (128.224.162.236) by ALA-HCB.corp.ad.wrs.com (147.11.189.41) with Microsoft SMTP Server id 14.2.347.0; Thu, 2 Jan 2014 19:18:42 -0800 From: Fan Du To: CC: , Subject: [PATCHv4 net-next 4/8] {pktgen, xfrm} Using "pgset spi xxx" to spedifiy SA for a given flow Date: Fri, 3 Jan 2014 11:18:30 +0800 Message-ID: <1388719114-26244-5-git-send-email-fan.du@windriver.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1388719114-26244-1-git-send-email-fan.du@windriver.com> References: <1388719114-26244-1-git-send-email-fan.du@windriver.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org User could set specific SPI value to arm pktgen flow with IPsec transformation, instead of looking up SA by sadr/daddr. The reaseon to do so is because current state lookup scheme is both slow and, most important of all, in fact pktgen doesn't need to match any SA state addresses information, all it needs is the SA transfromation shell to do the encapuslation. And this option also provide user an alternative to using pktgen test existing SA without creating new ones. Signed-off-by: Fan Du --- net/core/pktgen.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 156d57b..8bc4ddd 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -389,6 +389,7 @@ struct pktgen_dev { #ifdef CONFIG_XFRM __u8 ipsmode; /* IPSEC mode (config) */ __u8 ipsproto; /* IPSEC type (config) */ + __u32 spi; #endif char result[512]; }; @@ -1477,6 +1478,17 @@ static ssize_t pktgen_if_write(struct file *file, return count; } + if (!strcmp(name, "spi")) { + len = num_arg(&user_buffer[i], 10, &value); + if (len < 0) + return len; + + i += len; + pkt_dev->spi = value; + sprintf(pg_result, "OK: spi=%u", pkt_dev->spi); + return count; + } + if (!strcmp(name, "flowlen")) { len = num_arg(&user_buffer[i], 10, &value); if (len < 0)