summaryrefslogtreecommitdiff
path: root/drivers/net/macsec.c
diff options
context:
space:
mode:
authorAntoine Tenart <antoine.tenart@bootlin.com>2020-03-25 15:52:33 +0300
committerDavid S. Miller <davem@davemloft.net>2020-03-26 20:17:36 -0700
commit21114b7feec29e4425a3ac48a037569c016a46c8 (patch)
treec5b97e476b8a0bacb3365dfa2652153d7eaaee10 /drivers/net/macsec.c
parent8fa9137180b2fd8482b671f7e0bd8cf7538cbf59 (diff)
downloadlinux-next-21114b7feec29e4425a3ac48a037569c016a46c8.tar.gz
net: macsec: add support for offloading to the MAC
This patch adds a new MACsec offloading option, MACSEC_OFFLOAD_MAC, allowing a user to select a MAC as a provider for MACsec offloading operations. Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com> Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com> Signed-off-by: Igor Russkikh <irusskikh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/macsec.c')
-rw-r--r--drivers/net/macsec.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 35abebe95b79..d29c072e19af 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -339,7 +339,8 @@ static void macsec_set_shortlen(struct macsec_eth_header *h, size_t data_len)
/* Checks if a MACsec interface is being offloaded to an hardware engine */
static bool macsec_is_offloaded(struct macsec_dev *macsec)
{
- if (macsec->offload == MACSEC_OFFLOAD_PHY)
+ if (macsec->offload == MACSEC_OFFLOAD_MAC ||
+ macsec->offload == MACSEC_OFFLOAD_PHY)
return true;
return false;
@@ -355,6 +356,9 @@ static bool macsec_check_offload(enum macsec_offload offload,
if (offload == MACSEC_OFFLOAD_PHY)
return macsec->real_dev->phydev &&
macsec->real_dev->phydev->macsec_ops;
+ else if (offload == MACSEC_OFFLOAD_MAC)
+ return macsec->real_dev->features & NETIF_F_HW_MACSEC &&
+ macsec->real_dev->macsec_ops;
return false;
}
@@ -369,9 +373,14 @@ static const struct macsec_ops *__macsec_get_ops(enum macsec_offload offload,
if (offload == MACSEC_OFFLOAD_PHY)
ctx->phydev = macsec->real_dev->phydev;
+ else if (offload == MACSEC_OFFLOAD_MAC)
+ ctx->netdev = macsec->real_dev;
}
- return macsec->real_dev->phydev->macsec_ops;
+ if (offload == MACSEC_OFFLOAD_PHY)
+ return macsec->real_dev->phydev->macsec_ops;
+ else
+ return macsec->real_dev->macsec_ops;
}
/* Returns a pointer to the MACsec ops struct if any and updates the MACsec