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(unknown [10.28.34.254]) by maili.marvell.com (Postfix) with ESMTP id 4D0735C68E4; Tue, 27 Aug 2024 06:32:48 -0700 (PDT) From: Bharat Bhushan To: , , , , , , , , , , , , , , Subject: [net-next PATCH v7 7/8] cn10k-ipsec: Allow ipsec crypto offload for skb with SA Date: Tue, 27 Aug 2024 19:02:09 +0530 Message-ID: <20240827133210.1418411-8-bbhushan2@marvell.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240827133210.1418411-1-bbhushan2@marvell.com> References: <20240827133210.1418411-1-bbhushan2@marvell.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: MZd1H6DFg1-iLQMFrOnxfj39gT1SjeMK X-Proofpoint-GUID: MZd1H6DFg1-iLQMFrOnxfj39gT1SjeMK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-27_07,2024-08-27_01,2024-05-17_01 X-Patchwork-Delegate: kuba@kernel.org Allow to use hardware offload for outbound ipsec crypto mode if security association (SA) is set for a given skb. Signed-off-by: Bharat Bhushan --- .../ethernet/marvell/octeontx2/nic/cn10k_ipsec.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c index 41c200ee940b..6506b9893a33 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c @@ -777,9 +777,24 @@ static void cn10k_ipsec_del_state(struct xfrm_state *x) mutex_unlock(&pf->ipsec.lock); } +static bool cn10k_ipsec_offload_ok(struct sk_buff *skb, struct xfrm_state *x) +{ + if (x->props.family == AF_INET) { + /* Offload with IPv4 options is not supported yet */ + if (ip_hdr(skb)->ihl > 5) + return false; + } else { + /* Offload with IPv6 extension headers is not support yet */ + if (ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr)) + return false; + } + return true; +} + static const struct xfrmdev_ops cn10k_ipsec_xfrmdev_ops = { .xdo_dev_state_add = cn10k_ipsec_add_state, .xdo_dev_state_delete = cn10k_ipsec_del_state, + .xdo_dev_offload_ok = cn10k_ipsec_offload_ok, }; static void cn10k_ipsec_sa_wq_handler(struct work_struct *work)