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Diffstat (limited to 'net/8021q/vlan_dev.c')
-rw-r--r--net/8021q/vlan_dev.c242
1 files changed, 242 insertions, 0 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 5920544e93e8..870e4935d6e6 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -26,6 +26,7 @@
#include <linux/ethtool.h>
#include <linux/phy.h>
#include <net/arp.h>
+#include <net/macsec.h>
#include "vlan.h"
#include "vlanproc.h"
@@ -572,6 +573,9 @@ static int vlan_dev_init(struct net_device *dev)
NETIF_F_HIGHDMA | NETIF_F_SCTP_CRC |
NETIF_F_ALL_FCOE;
+ if (real_dev->vlan_features & NETIF_F_HW_MACSEC)
+ dev->hw_features |= NETIF_F_HW_MACSEC;
+
dev->features |= dev->hw_features | NETIF_F_LLTX;
netif_inherit_tso_max(dev, real_dev);
if (dev->features & NETIF_F_VLAN_FEATURES)
@@ -803,6 +807,241 @@ static int vlan_dev_fill_forward_path(struct net_device_path_ctx *ctx,
return 0;
}
+#if IS_ENABLED(CONFIG_MACSEC)
+
+static const struct macsec_ops *vlan_get_macsec_ops(const struct macsec_context *ctx)
+{
+ return vlan_dev_priv(ctx->netdev)->real_dev->macsec_ops;
+}
+
+static int vlan_macsec_offload(int (* const func)(struct macsec_context *),
+ struct macsec_context *ctx)
+{
+ if (unlikely(!func))
+ return 0;
+
+ return (*func)(ctx);
+}
+
+static int vlan_macsec_dev_open(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_dev_open, ctx);
+}
+
+static int vlan_macsec_dev_stop(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_dev_stop, ctx);
+}
+
+static int vlan_macsec_add_secy(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_add_secy, ctx);
+}
+
+static int vlan_macsec_upd_secy(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_upd_secy, ctx);
+}
+
+static int vlan_macsec_del_secy(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_del_secy, ctx);
+}
+
+static int vlan_macsec_add_rxsc(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_add_rxsc, ctx);
+}
+
+static int vlan_macsec_upd_rxsc(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_upd_rxsc, ctx);
+}
+
+static int vlan_macsec_del_rxsc(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_del_rxsc, ctx);
+}
+
+static int vlan_macsec_add_rxsa(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_add_rxsa, ctx);
+}
+
+static int vlan_macsec_upd_rxsa(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_upd_rxsa, ctx);
+}
+
+static int vlan_macsec_del_rxsa(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_del_rxsa, ctx);
+}
+
+static int vlan_macsec_add_txsa(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_add_txsa, ctx);
+}
+
+static int vlan_macsec_upd_txsa(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_upd_txsa, ctx);
+}
+
+static int vlan_macsec_del_txsa(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_del_txsa, ctx);
+}
+
+static int vlan_macsec_get_dev_stats(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_get_dev_stats, ctx);
+}
+
+static int vlan_macsec_get_tx_sc_stats(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_get_tx_sc_stats, ctx);
+}
+
+static int vlan_macsec_get_tx_sa_stats(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_get_tx_sa_stats, ctx);
+}
+
+static int vlan_macsec_get_rx_sc_stats(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_get_rx_sc_stats, ctx);
+}
+
+static int vlan_macsec_get_rx_sa_stats(struct macsec_context *ctx)
+{
+ const struct macsec_ops *ops = vlan_get_macsec_ops(ctx);
+
+ if (!ops)
+ return -EOPNOTSUPP;
+
+ return vlan_macsec_offload(ops->mdo_get_rx_sa_stats, ctx);
+}
+
+static const struct macsec_ops macsec_offload_ops = {
+ /* Device wide */
+ .mdo_dev_open = vlan_macsec_dev_open,
+ .mdo_dev_stop = vlan_macsec_dev_stop,
+ /* SecY */
+ .mdo_add_secy = vlan_macsec_add_secy,
+ .mdo_upd_secy = vlan_macsec_upd_secy,
+ .mdo_del_secy = vlan_macsec_del_secy,
+ /* Security channels */
+ .mdo_add_rxsc = vlan_macsec_add_rxsc,
+ .mdo_upd_rxsc = vlan_macsec_upd_rxsc,
+ .mdo_del_rxsc = vlan_macsec_del_rxsc,
+ /* Security associations */
+ .mdo_add_rxsa = vlan_macsec_add_rxsa,
+ .mdo_upd_rxsa = vlan_macsec_upd_rxsa,
+ .mdo_del_rxsa = vlan_macsec_del_rxsa,
+ .mdo_add_txsa = vlan_macsec_add_txsa,
+ .mdo_upd_txsa = vlan_macsec_upd_txsa,
+ .mdo_del_txsa = vlan_macsec_del_txsa,
+ /* Statistics */
+ .mdo_get_dev_stats = vlan_macsec_get_dev_stats,
+ .mdo_get_tx_sc_stats = vlan_macsec_get_tx_sc_stats,
+ .mdo_get_tx_sa_stats = vlan_macsec_get_tx_sa_stats,
+ .mdo_get_rx_sc_stats = vlan_macsec_get_rx_sc_stats,
+ .mdo_get_rx_sa_stats = vlan_macsec_get_rx_sa_stats,
+};
+
+#endif
+
static const struct ethtool_ops vlan_ethtool_ops = {
.get_link_ksettings = vlan_ethtool_get_link_ksettings,
.get_drvinfo = vlan_ethtool_get_drvinfo,
@@ -869,6 +1108,9 @@ void vlan_setup(struct net_device *dev)
dev->priv_destructor = vlan_dev_free;
dev->ethtool_ops = &vlan_ethtool_ops;
+#if IS_ENABLED(CONFIG_MACSEC)
+ dev->macsec_ops = &macsec_offload_ops;
+#endif
dev->min_mtu = 0;
dev->max_mtu = ETH_MAX_MTU;
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