From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 523BCA0A0E; Thu, 29 Apr 2021 02:38:11 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 4B6B1412BD; Thu, 29 Apr 2021 02:38:05 +0200 (CEST) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by mails.dpdk.org (Postfix) with ESMTP id 2F00A40147 for ; Thu, 29 Apr 2021 02:38:02 +0200 (CEST) IronPort-SDR: ZJOSqtc6uWGnQyOGZNlCYFfINfxqgPMBROApCGtOTpqCY1IObS/8+Ft4TXGnaXRkldy2fH4wXA 4EAQrSyZLdhw== X-IronPort-AV: E=McAfee;i="6200,9189,9968"; a="196444571" X-IronPort-AV: E=Sophos;i="5.82,258,1613462400"; d="scan'208";a="196444571" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Apr 2021 17:38:01 -0700 IronPort-SDR: E9WmCBnFRt228YkAFeFVgbdEb+7LqNvFqUEhY8m/b7l5fC/ci6vO6Rwxoz0yg6U0wI0gFc0QRn siFHcmdxysWA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,258,1613462400"; d="scan'208";a="423790772" Received: from dpdk51.sh.intel.com ([10.67.111.142]) by fmsmga008.fm.intel.com with ESMTP; 28 Apr 2021 17:38:00 -0700 From: Qi Zhang To: qiming.yang@intel.com Cc: dev@dpdk.org, Qi Zhang , Ting Xu , Jeff Guo Date: Thu, 29 Apr 2021 08:41:38 +0800 Message-Id: <20210429004143.2921260-2-qi.z.zhang@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210429004143.2921260-1-qi.z.zhang@intel.com> References: <20210429004143.2921260-1-qi.z.zhang@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH 1/6] net/ice/base: add IP fragment flags X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add the IPv6 fragment flags and the IPv4 fragment field shift. Signed-off-by: Ting Xu Signed-off-by: Jeff Guo Signed-off-by: Qi Zhang --- drivers/net/ice/base/ice_fdir.c | 2 +- drivers/net/ice/base/ice_fdir.h | 16 ++++++++++++---- 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/drivers/net/ice/base/ice_fdir.c b/drivers/net/ice/base/ice_fdir.c index 8f9c0d346b..f6a6ff3831 100644 --- a/drivers/net/ice/base/ice_fdir.c +++ b/drivers/net/ice/base/ice_fdir.c @@ -1505,7 +1505,7 @@ ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input, ice_pkt_insert_u8(loc, ICE_IPV4_TTL_OFFSET, input->ip.v4.ttl); ice_pkt_insert_mac_addr(loc, input->ext_data.dst_mac); if (frag) - loc[20] = ICE_FDIR_IPV4_PKT_FLAG_DF; + loc[20] = ICE_FDIR_IPV4_PKT_FLAG_MF; break; case ICE_FLTR_PTYPE_NONF_IPV4_UDP: ice_pkt_insert_mac_addr(pkt, input->ext_data_outer.dst_mac); diff --git a/drivers/net/ice/base/ice_fdir.h b/drivers/net/ice/base/ice_fdir.h index 6573f96bc1..b679a8a1bd 100644 --- a/drivers/net/ice/base/ice_fdir.h +++ b/drivers/net/ice/base/ice_fdir.h @@ -83,12 +83,20 @@ #define ICE_FDIR_MAX_FLTRS 16384 -/* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF +/* IPv4 has 2 flag bits that enable fragment processing: DF and MF. DF * requests that the packet not be fragmented. MF indicates that a packet has - * been fragmented. + * been fragmented, except that for the last fragment has a non-zero + * Fragment Offset field with zero MF. */ -#define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20 -#define ICE_FDIR_IPV4_PKT_FLAG_MF 0x40 +#define ICE_FDIR_IPV4_PKT_FLAG_MF 0x20 +#define ICE_FDIR_IPV4_PKT_FLAG_MF_SHIFT 8 +#define ICE_FDIR_IPV4_PKT_FLAG_DF 0x40 + +/* For IPv6 fragmented packets, all fragments except the last have + * the MF flag set. + */ +#define ICE_FDIR_IPV6_PKT_FLAG_MF 0x100 +#define ICE_FDIR_IPV6_PKT_FLAG_MF_SHIFT 8 enum ice_fltr_prgm_desc_dest { ICE_FLTR_PRGM_DESC_DEST_DROP_PKT, -- 2.26.2