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Subject[PATCH net-next v6 06/10] net: phy: mscc: macsec: reject PN update requests
Date
Updating the PN is not supported.
Return -EINVAL if update_pn is true.

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

drivers/net/phy/mscc/mscc_macsec.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/net/phy/mscc/mscc_macsec.c b/drivers/net/phy/mscc/mscc_macsec.c
index 018253a573b8..4f39ba63a9a9 100644
--- a/drivers/net/phy/mscc/mscc_macsec.c
+++ b/drivers/net/phy/mscc/mscc_macsec.c
@@ -849,6 +849,9 @@ static int vsc8584_macsec_upd_rxsa(struct macsec_context *ctx)
struct macsec_flow *flow;
int ret;

+ if (ctx->sa.update_pn)
+ return -EINVAL;
+
flow = vsc8584_macsec_find_flow(ctx, MACSEC_INGR);
if (IS_ERR(flow))
return PTR_ERR(flow);
@@ -900,6 +903,9 @@ static int vsc8584_macsec_upd_txsa(struct macsec_context *ctx)
struct macsec_flow *flow;
int ret;

+ if (ctx->sa.update_pn)
+ return -EINVAL;
+
flow = vsc8584_macsec_find_flow(ctx, MACSEC_EGR);
if (IS_ERR(flow))
return PTR_ERR(flow);
--
2.34.1
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