#include <net/sock.h>
#include <net/gro_cells.h>
#include <net/macsec.h>
+#include <net/dst_metadata.h>
#include <linux/phy.h>
#include <linux/byteorder/generic.h>
#include <linux/if_arp.h>
int ret, len;
if (macsec_is_offloaded(netdev_priv(dev))) {
+ struct metadata_dst *md_dst = secy->tx_sc.md_dst;
+
+ skb_dst_drop(skb);
+ dst_hold(&md_dst->dst);
+ skb_dst_set(skb, &md_dst->dst);
skb->dev = macsec->real_dev;
return dev_queue_xmit(skb);
}
{
struct macsec_dev *macsec = macsec_priv(dev);
+ metadata_dst_free(macsec->secy.tx_sc.md_dst);
free_percpu(macsec->stats);
free_percpu(macsec->secy.tx_sc.stats);
return -ENOMEM;
}
+ secy->tx_sc.md_dst = metadata_dst_alloc(0, METADATA_MACSEC, GFP_KERNEL);
+ if (!secy->tx_sc.md_dst) {
+ free_percpu(secy->tx_sc.stats);
+ free_percpu(macsec->stats);
+ return -ENOMEM;
+ }
+
if (sci == MACSEC_UNDEF_SCI)
sci = dev_to_sci(dev, MACSEC_PORT_ES);
secy->xpn = DEFAULT_XPN;
secy->sci = sci;
+ secy->tx_sc.md_dst->u.macsec_info.sci = sci;
secy->tx_sc.active = true;
secy->tx_sc.encoding_sa = DEFAULT_ENCODING_SA;
secy->tx_sc.encrypt = DEFAULT_ENCRYPT;
#include <linux/skbuff.h>
#include <net/ip_tunnels.h>
+#include <net/macsec.h>
#include <net/dst.h>
enum metadata_type {
METADATA_IP_TUNNEL,
METADATA_HW_PORT_MUX,
+ METADATA_MACSEC,
};
struct hw_port_info {
u32 port_id;
};
+struct macsec_info {
+ sci_t sci;
+};
+
struct metadata_dst {
struct dst_entry dst;
enum metadata_type type;
union {
struct ip_tunnel_info tun_info;
struct hw_port_info port_info;
+ struct macsec_info macsec_info;
} u;
};
return memcmp(&a->u.tun_info, &b->u.tun_info,
sizeof(a->u.tun_info) +
a->u.tun_info.options_len);
+ case METADATA_MACSEC:
+ return memcmp(&a->u.macsec_info, &b->u.macsec_info,
+ sizeof(a->u.macsec_info));
default:
return 1;
}
typedef u64 __bitwise sci_t;
typedef u32 __bitwise ssci_t;
+struct metadata_dst;
+
typedef union salt {
struct {
u32 ssci;
* @scb: single copy broadcast flag
* @sa: array of secure associations
* @stats: stats for this TXSC
+ * @md_dst: MACsec offload metadata dst
*/
struct macsec_tx_sc {
bool active;
bool scb;
struct macsec_tx_sa __rcu *sa[MACSEC_NUM_AN];
struct pcpu_tx_sc_stats __percpu *stats;
+ struct metadata_dst *md_dst;
};
/**