diff mbox series

[net-next,v7,7/8] cn10k-ipsec: Allow ipsec crypto offload for skb with SA

Message ID 20240827133210.1418411-8-bbhushan2@marvell.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series cn10k-ipsec: Add outbound inline ipsec support | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next, async
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 7 this patch: 7
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 9 of 9 maintainers
netdev/build_clang success Errors and warnings before: 16 this patch: 16
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 16 this patch: 16
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 24 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-08-27--21-00 (tests: 714)

Commit Message

Bharat Bhushan Aug. 27, 2024, 1:32 p.m. UTC
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 <bbhushan2@marvell.com>
---
 .../ethernet/marvell/octeontx2/nic/cn10k_ipsec.c  | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
diff mbox series

Patch

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)