}
/* Derive the AES key to get a key for the hash autentication */
-static int vsc8584_macsec_derive_key(const u8 key[MACSEC_MAX_KEY_LEN],
- u16 key_len, u8 hkey[16])
+static int vsc8584_macsec_derive_key(const u8 *key, u16 key_len, u8 hkey[16])
{
const u8 input[AES_BLOCK_SIZE] = {0};
struct crypto_aes_ctx ctx;
}
static int vsc8584_macsec_transformation(struct phy_device *phydev,
- struct macsec_flow *flow)
+ struct macsec_flow *flow,
+ const u8 *key)
{
struct vsc8531_private *priv = phydev->priv;
enum macsec_bank bank = flow->bank;
u8 hkey[16];
u64 sci;
- ret = vsc8584_macsec_derive_key(flow->key, priv->secy->key_len, hkey);
+ ret = vsc8584_macsec_derive_key(key, priv->secy->key_len, hkey);
if (ret)
return ret;
for (i = 0; i < priv->secy->key_len / sizeof(u32); i++)
vsc8584_macsec_phy_write(phydev, bank,
MSCC_MS_XFORM_REC(index, rec++),
- ((u32 *)flow->key)[i]);
+ ((u32 *)key)[i]);
/* Set the authentication key */
for (i = 0; i < 4; i++)
list_del(&flow->list);
clear_bit(flow->index, bitmap);
- memzero_explicit(flow->key, sizeof(flow->key));
kfree(flow);
}
-static int vsc8584_macsec_add_flow(struct phy_device *phydev,
- struct macsec_flow *flow, bool update)
+static void vsc8584_macsec_add_flow(struct phy_device *phydev,
+ struct macsec_flow *flow)
{
- int ret;
-
flow->port = MSCC_MS_PORT_CONTROLLED;
vsc8584_macsec_flow(phydev, flow);
-
- if (update)
- return 0;
-
- ret = vsc8584_macsec_transformation(phydev, flow);
- if (ret) {
- vsc8584_macsec_free_flow(phydev->priv, flow);
- return ret;
- }
-
- return 0;
}
static int vsc8584_macsec_default_flows(struct phy_device *phydev)
{
struct phy_device *phydev = ctx->phydev;
struct vsc8531_private *priv = phydev->priv;
+ int ret;
flow->assoc_num = ctx->sa.assoc_num;
flow->rx_sa = ctx->sa.rx_sa;
if (priv->secy->validate_frames != MACSEC_VALIDATE_DISABLED)
flow->match.untagged = 1;
- return vsc8584_macsec_add_flow(phydev, flow, update);
+ vsc8584_macsec_add_flow(phydev, flow);
+
+ if (update)
+ return 0;
+
+ ret = vsc8584_macsec_transformation(phydev, flow, ctx->sa.key);
+ if (ret)
+ vsc8584_macsec_free_flow(phydev->priv, flow);
+
+ return ret;
}
static int __vsc8584_macsec_add_txsa(struct macsec_context *ctx,
struct macsec_flow *flow, bool update)
{
+ int ret;
+
flow->assoc_num = ctx->sa.assoc_num;
flow->tx_sa = ctx->sa.tx_sa;
/* Always match untagged packets on egress */
flow->match.untagged = 1;
- return vsc8584_macsec_add_flow(ctx->phydev, flow, update);
+ vsc8584_macsec_add_flow(ctx->phydev, flow);
+
+ if (update)
+ return 0;
+
+ ret = vsc8584_macsec_transformation(ctx->phydev, flow, ctx->sa.key);
+ if (ret)
+ vsc8584_macsec_free_flow(ctx->phydev->priv, flow);
+
+ return ret;
}
static int vsc8584_macsec_dev_open(struct macsec_context *ctx)
if (IS_ERR(flow))
return PTR_ERR(flow);
- memcpy(flow->key, ctx->sa.key, priv->secy->key_len);
-
ret = __vsc8584_macsec_add_rxsa(ctx, flow, false);
if (ret)
return ret;
if (IS_ERR(flow))
return PTR_ERR(flow);
- memcpy(flow->key, ctx->sa.key, priv->secy->key_len);
-
ret = __vsc8584_macsec_add_txsa(ctx, flow, false);
if (ret)
return ret;