linux-kernel - [PATCH net-next v6 07/10] net/mlx5e: macsec: use update

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Date:   Thu, 28 Sep 2023 11:44:27 +0300
From:   "Radu Pirea (NXP OSS)" <radu-nicolae.pirea@....nxp.com>
To:     sgoutham@...vell.com, gakula@...vell.com, sbhatta@...vell.com,
        hkelam@...vell.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, borisp@...dia.com,
        saeedm@...dia.com, leon@...nel.org, sd@...asysnail.net,
        andrew@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk,
        richardcochran@...il.com, sebastian.tobuschat@....nxp.com
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org,
        "Radu Pirea (NXP OSS)" <radu-nicolae.pirea@....nxp.com>
Subject: [PATCH net-next v6 07/10] net/mlx5e: macsec: use update_pn flag instead of PN comparation

When updating the SA, use the new update_pn flags instead of comparing the
new PN with the initial one.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@....nxp.com>
---
Changes in v6:
- patch added in v6

 drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
index c9c1db971652..d4ebd8743114 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
@@ -580,7 +580,7 @@ static int mlx5e_macsec_upd_txsa(struct macsec_context *ctx)
 		goto out;
 	}
 
-	if (tx_sa->next_pn != ctx_tx_sa->next_pn_halves.lower) {
+	if (ctx->sa.update_pn) {
 		netdev_err(netdev, "MACsec offload: update TX sa %d PN isn't supported\n",
 			   assoc_num);
 		err = -EINVAL;
@@ -973,7 +973,7 @@ static int mlx5e_macsec_upd_rxsa(struct macsec_context *ctx)
 		goto out;
 	}
 
-	if (rx_sa->next_pn != ctx_rx_sa->next_pn_halves.lower) {
+	if (ctx->sa.update_pn) {
 		netdev_err(ctx->netdev,
 			   "MACsec offload update RX sa %d PN isn't supported\n",
 			   assoc_num);
-- 
2.34.1