diff options
| author |   Lior Nahmanson <liorna@nvidia.com> | 2022-01-30 13:29:01 +0200 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2022-01-31 21:33:10 -0800 |
| commit | 9cef24c8b76c1f6effe499d2f131807c90f7ce9a (patch) | |
| tree | e5dcb92cdf19c70a7a08d0393980aa38420a97d2 /drivers/net/macsec.c | |
| parent | net: stmmac: dump gmac4 DMA registers correctly (diff) | |
| download | linux-dev-9cef24c8b76c1f6effe499d2f131807c90f7ce9a.tar.xz linux-dev-9cef24c8b76c1f6effe499d2f131807c90f7ce9a.zip | |
net: macsec: Fix offload support for NETDEV_UNREGISTER event
Current macsec netdev notify handler handles NETDEV_UNREGISTER event by
releasing relevant SW resources only, this causes resources leak in case
of macsec HW offload, as the underlay driver was not notified to clean
it's macsec offload resources.
Fix by calling the underlay driver to clean it's relevant resources
by moving offload handling from macsec_dellink() to macsec_common_dellink()
when handling NETDEV_UNREGISTER event.
Fixes: 3cf3227a21d1 ("net: macsec: hardware offloading infrastructure")
Signed-off-by: Lior Nahmanson <liorna@nvidia.com>
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/1643542141-28956-1-git-send-email-raeds@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/macsec.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 16aa3a478e9e..33ff33c05aab 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -3870,6 +3870,18 @@ static void macsec_common_dellink(struct net_device *dev, struct list_head *head struct macsec_dev *macsec = macsec_priv(dev); struct net_device *real_dev = macsec->real_dev; + /* If h/w offloading is available, propagate to the device */ + if (macsec_is_offloaded(macsec)) { + const struct macsec_ops *ops; + struct macsec_context ctx; + + ops = macsec_get_ops(netdev_priv(dev), &ctx); + if (ops) { + ctx.secy = &macsec->secy; + macsec_offload(ops->mdo_del_secy, &ctx); + } + } + unregister_netdevice_queue(dev, head); list_del_rcu(&macsec->secys); macsec_del_dev(macsec); @@ -3884,18 +3896,6 @@ static void macsec_dellink(struct net_device *dev, struct list_head *head) struct net_device *real_dev = macsec->real_dev; struct macsec_rxh_data *rxd = macsec_data_rtnl(real_dev); - /* If h/w offloading is available, propagate to the device */ - if (macsec_is_offloaded(macsec)) { - const struct macsec_ops *ops; - struct macsec_context ctx; - - ops = macsec_get_ops(netdev_priv(dev), &ctx); - if (ops) { - ctx.secy = &macsec->secy; - macsec_offload(ops->mdo_del_secy, &ctx); - } - } - macsec_common_dellink(dev, head); if (list_empty(&rxd->secys)) { |