From patchwork Tue Dec 5 05:35:10 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Nelson X-Patchwork-Id: 844566 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yrVpW22cgz9s9Y for ; Tue, 5 Dec 2017 16:36:03 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752374AbdLEFgB (ORCPT ); Tue, 5 Dec 2017 00:36:01 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:18745 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752162AbdLEFfb (ORCPT ); Tue, 5 Dec 2017 00:35:31 -0500 Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id vB55ZQFc018370 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 5 Dec 2017 05:35:26 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id vB55ZPAM002454 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 5 Dec 2017 05:35:26 GMT Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id vB55ZPU9020886; Tue, 5 Dec 2017 05:35:25 GMT Received: from slnelson-mint18.us.oracle.com (/10.159.249.147) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 04 Dec 2017 21:35:25 -0800 From: Shannon Nelson To: intel-wired-lan@lists.osuosl.org, jeffrey.t.kirsher@intel.com Cc: steffen.klassert@secunet.com, sowmini.varadhan@oracle.com, netdev@vger.kernel.org Subject: [next-queue 04/10] ixgbe: add ipsec data structures Date: Mon, 4 Dec 2017 21:35:10 -0800 Message-Id: <1512452116-14795-5-git-send-email-shannon.nelson@oracle.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1512452116-14795-1-git-send-email-shannon.nelson@oracle.com> References: <1512452116-14795-1-git-send-email-shannon.nelson@oracle.com> X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Set up the data structures to be used by the ipsec offload. Signed-off-by: Shannon Nelson --- drivers/net/ethernet/intel/ixgbe/ixgbe.h | 5 ++++ drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h | 40 ++++++++++++++++++++++++++ 2 files changed, 45 insertions(+) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index 1e11462..9487750 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -622,6 +622,7 @@ struct ixgbe_adapter { #define IXGBE_FLAG2_EEE_CAPABLE BIT(14) #define IXGBE_FLAG2_EEE_ENABLED BIT(15) #define IXGBE_FLAG2_RX_LEGACY BIT(16) +#define IXGBE_FLAG2_IPSEC_ENABLED BIT(17) /* Tx fast path data */ int num_tx_queues; @@ -772,6 +773,10 @@ struct ixgbe_adapter { #define IXGBE_RSS_KEY_SIZE 40 /* size of RSS Hash Key in bytes */ u32 *rss_key; + +#ifdef CONFIG_XFRM + struct ixgbe_ipsec *ipsec; +#endif /* CONFIG_XFRM */ }; static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h index 017b13f..cb9a4be 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.h @@ -47,4 +47,44 @@ #define IXGBE_RXMOD_DECRYPT 0x00000008 #define IXGBE_RXMOD_IPV6 0x00000010 +struct rx_sa { + struct hlist_node hlist; + struct xfrm_state *xs; + u32 ipaddr[4]; + u32 key[4]; + u32 salt; + u32 mode; + u8 iptbl_ind; + bool used; + bool decrypt; +}; + +struct rx_ip_sa { + u32 ipaddr[4]; + u32 ref_cnt; + bool used; +}; + +struct tx_sa { + struct xfrm_state *xs; + u32 key[4]; + u32 salt; + bool encrypt; + bool used; +}; + +struct ixgbe_ipsec_tx_data { + u32 flags; + u16 trailer_len; + u16 sa_idx; +}; + +struct ixgbe_ipsec { + u16 num_rx_sa; + u16 num_tx_sa; + struct rx_ip_sa *ip_tbl; + struct rx_sa *rx_tbl; + struct tx_sa *tx_tbl; + DECLARE_HASHTABLE(rx_sa_list, 8); +}; #endif /* _IXGBE_IPSEC_H_ */