From f132fdd9dc81e045bcf95005d418a31fbe9d942f Mon Sep 17 00:00:00 2001 From: Patrisious Haddad Date: Mon, 2 May 2022 14:40:56 +0300 Subject: [PATCH] macsec: add functions to get macsec real netdevice and check offload Given a macsec net_device add two functions to return the real net_device for that device, and check if that macsec device is offloaded or not. This is needed for auxiliary drivers that implement MACsec offload, but have flows which are triggered over the macsec net_device, this allows the drivers in such cases to verify if the device is offloaded or not, and to access the real device of that macsec device, which would belong to the driver, and would be needed for the offload procedure. Signed-off-by: Patrisious Haddad Reviewed-by: Raed Salem Reviewed-by: Mark Zhang Signed-off-by: Leon Romanovsky --- drivers/net/macsec.c | 12 ++++++++++++ include/net/macsec.h | 2 ++ 2 files changed, 14 insertions(+) diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 984dfa5..4895af1 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -4240,6 +4240,18 @@ static struct net *macsec_get_link_net(const struct net_device *dev) return dev_net(macsec_priv(dev)->real_dev); } +struct net_device *macsec_get_real_dev(const struct net_device *dev) +{ + return macsec_priv(dev)->real_dev; +} +EXPORT_SYMBOL_GPL(macsec_get_real_dev); + +bool macsec_netdev_is_offloaded(struct net_device *dev) +{ + return macsec_is_offloaded(macsec_priv(dev)); +} +EXPORT_SYMBOL_GPL(macsec_netdev_is_offloaded); + static size_t macsec_get_size(const struct net_device *dev) { return nla_total_size_64bit(8) + /* IFLA_MACSEC_SCI */ diff --git a/include/net/macsec.h b/include/net/macsec.h index 441ed8f..75a6f486 100644 --- a/include/net/macsec.h +++ b/include/net/macsec.h @@ -312,6 +312,8 @@ static inline bool macsec_send_sci(const struct macsec_secy *secy) return tx_sc->send_sci || (secy->n_rx_sc > 1 && !tx_sc->end_station && !tx_sc->scb); } +struct net_device *macsec_get_real_dev(const struct net_device *dev); +bool macsec_netdev_is_offloaded(struct net_device *dev); static inline void *macsec_netdev_priv(const struct net_device *dev) { -- 2.7.4