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net: phy: mscc: macsec: reject PN update requests
Updating the PN is not supported.
Return -EINVAL if update_pn is true.
The following command succeeded, but it should fail because the driver
does not update the PN:
ip macsec set macsec0 tx sa 0 pn 232 on
Fixes: 28c5107aa9
("net: phy: mscc: macsec support")
Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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1 changed files with 6 additions and 0 deletions
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@ -849,6 +849,9 @@ static int vsc8584_macsec_upd_rxsa(struct macsec_context *ctx)
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struct macsec_flow *flow;
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int ret;
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if (ctx->sa.update_pn)
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return -EINVAL;
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flow = vsc8584_macsec_find_flow(ctx, MACSEC_INGR);
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if (IS_ERR(flow))
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return PTR_ERR(flow);
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@ -900,6 +903,9 @@ static int vsc8584_macsec_upd_txsa(struct macsec_context *ctx)
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struct macsec_flow *flow;
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int ret;
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if (ctx->sa.update_pn)
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return -EINVAL;
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flow = vsc8584_macsec_find_flow(ctx, MACSEC_EGR);
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if (IS_ERR(flow))
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return PTR_ERR(flow);
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