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    Subject[PATCH net-next v2 4/9] net: introduce MACsec ops and add a reference in net_device
    Date
    This patch introduces MACsec ops for drivers to support offloading
    MACsec operations. A reference to those ops is added in net_device.

    Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
    ---
    include/linux/netdevice.h | 31 +++++++++++++++++++++++++++++++
    1 file changed, 31 insertions(+)

    diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
    index 88292953aa6f..59ff123d62e3 100644
    --- a/include/linux/netdevice.h
    +++ b/include/linux/netdevice.h
    @@ -53,6 +53,7 @@ struct netpoll_info;
    struct device;
    struct phy_device;
    struct dsa_port;
    +struct macsec_context;

    struct sfp_bus;
    /* 802.11 specific */
    @@ -910,6 +911,29 @@ struct xfrmdev_ops {
    };
    #endif

    +#if defined(CONFIG_MACSEC)
    +struct macsec_ops {
    + /* Device wide */
    + int (*mdo_dev_open)(struct macsec_context *ctx);
    + int (*mdo_dev_stop)(struct macsec_context *ctx);
    + /* SecY */
    + int (*mdo_add_secy)(struct macsec_context *ctx);
    + int (*mdo_upd_secy)(struct macsec_context *ctx);
    + int (*mdo_del_secy)(struct macsec_context *ctx);
    + /* Security channels */
    + int (*mdo_add_rxsc)(struct macsec_context *ctx);
    + int (*mdo_upd_rxsc)(struct macsec_context *ctx);
    + int (*mdo_del_rxsc)(struct macsec_context *ctx);
    + /* Security associations */
    + int (*mdo_add_rxsa)(struct macsec_context *ctx);
    + int (*mdo_upd_rxsa)(struct macsec_context *ctx);
    + int (*mdo_del_rxsa)(struct macsec_context *ctx);
    + int (*mdo_add_txsa)(struct macsec_context *ctx);
    + int (*mdo_upd_txsa)(struct macsec_context *ctx);
    + int (*mdo_del_txsa)(struct macsec_context *ctx);
    +};
    +#endif
    +
    struct dev_ifalias {
    struct rcu_head rcuhead;
    char ifalias[];
    @@ -1755,6 +1779,8 @@ enum netdev_priv_flags {
    *
    * @wol_enabled: Wake-on-LAN is enabled
    *
    + * @macsec_ops: MACsec offloading ops
    + *
    * FIXME: cleanup struct net_device such that network protocol info
    * moves out.
    */
    @@ -2036,6 +2062,11 @@ struct net_device {
    struct lock_class_key *qdisc_running_key;
    bool proto_down;
    unsigned wol_enabled:1;
    +
    +#if IS_ENABLED(CONFIG_MACSEC)
    + /* MACsec management functions */
    + const struct macsec_ops *macsec_ops;
    +#endif
    };
    #define to_net_dev(d) container_of(d, struct net_device, dev)

    --
    2.21.0
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      Last update: 2019-08-08 16:12    [W:4.211 / U:0.160 seconds]
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