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Commit 4bba492b authored by Emeel Hakim's avatar Emeel Hakim Committed by David S. Miller
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net/mlx5: Support MACsec over VLAN 

MACsec device may have a VLAN device on top of it.
Detect MACsec state correctly under this condition,
and return the correct net device accordingly.
Signed-off-by: default avatarEmeel Hakim <ehakim@nvidia.com>
Reviewed-by: default avatarSubbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 339ccec8
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Inline Side-by-side
Showing with 26 additions and 16 deletions
drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c
View file @ 4bba492b
......@@ -4,6 +4,7 @@
#include <linux/mlx5/device.h>
#include <linux/mlx5/mlx5_ifc.h>
#include <linux/xarray.h>
#include <linux/if_vlan.h>
#include "en.h"
#include "lib/aso.h"
......@@ -348,12 +349,21 @@ static void mlx5e_macsec_cleanup_sa(struct mlx5e_macsec *macsec,
sa->macsec_rule = NULL;
}
static struct mlx5e_priv *macsec_netdev_priv(const struct net_device *dev)
{
#if IS_ENABLED(CONFIG_VLAN_8021Q)
if (is_vlan_dev(dev))
return netdev_priv(vlan_dev_priv(dev)->real_dev);
#endif
return netdev_priv(dev);
}
static int mlx5e_macsec_init_sa(struct macsec_context *ctx,
struct mlx5e_macsec_sa *sa,
bool encrypt,
bool is_tx)
{
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
struct mlx5e_macsec *macsec = priv->macsec;
struct mlx5_macsec_rule_attrs rule_attrs;
struct mlx5_core_dev *mdev = priv->mdev;
......@@ -427,7 +437,7 @@ static int macsec_rx_sa_active_update(struct macsec_context *ctx,
struct mlx5e_macsec_sa *rx_sa,
bool active)
{
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
struct mlx5e_macsec *macsec = priv->macsec;
int err = 0;
......@@ -508,9 +518,9 @@ static void update_macsec_epn(struct mlx5e_macsec_sa *sa, const struct macsec_ke
static int mlx5e_macsec_add_txsa(struct macsec_context *ctx)
{
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
const struct macsec_tx_sc *tx_sc = &ctx->secy->tx_sc;
const struct macsec_tx_sa *ctx_tx_sa = ctx->sa.tx_sa;
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
const struct macsec_secy *secy = ctx->secy;
struct mlx5e_macsec_device *macsec_device;
struct mlx5_core_dev *mdev = priv->mdev;
......@@ -583,9 +593,9 @@ static int mlx5e_macsec_add_txsa(struct macsec_context *ctx)
static int mlx5e_macsec_upd_txsa(struct macsec_context *ctx)
{
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
const struct macsec_tx_sc *tx_sc = &ctx->secy->tx_sc;
const struct macsec_tx_sa *ctx_tx_sa = ctx->sa.tx_sa;
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
struct mlx5e_macsec_device *macsec_device;
u8 assoc_num = ctx->sa.assoc_num;
struct mlx5e_macsec_sa *tx_sa;
......@@ -645,7 +655,7 @@ static int mlx5e_macsec_upd_txsa(struct macsec_context *ctx)
static int mlx5e_macsec_del_txsa(struct macsec_context *ctx)
{
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
struct mlx5e_macsec_device *macsec_device;
u8 assoc_num = ctx->sa.assoc_num;
struct mlx5e_macsec_sa *tx_sa;
......@@ -696,7 +706,7 @@ static u32 mlx5e_macsec_get_sa_from_hashtable(struct rhashtable *sci_hash, sci_t
static int mlx5e_macsec_add_rxsc(struct macsec_context *ctx)
{
struct mlx5e_macsec_rx_sc_xarray_element *sc_xarray_element;
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
const struct macsec_rx_sc *ctx_rx_sc = ctx->rx_sc;
struct mlx5e_macsec_device *macsec_device;
struct mlx5e_macsec_rx_sc *rx_sc;
......@@ -776,7 +786,7 @@ static int mlx5e_macsec_add_rxsc(struct macsec_context *ctx)
static int mlx5e_macsec_upd_rxsc(struct macsec_context *ctx)
{
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
const struct macsec_rx_sc *ctx_rx_sc = ctx->rx_sc;
struct mlx5e_macsec_device *macsec_device;
struct mlx5e_macsec_rx_sc *rx_sc;
......@@ -854,7 +864,7 @@ static void macsec_del_rxsc_ctx(struct mlx5e_macsec *macsec, struct mlx5e_macsec
static int mlx5e_macsec_del_rxsc(struct macsec_context *ctx)
{
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
struct mlx5e_macsec_device *macsec_device;
struct mlx5e_macsec_rx_sc *rx_sc;
struct mlx5e_macsec *macsec;
......@@ -890,8 +900,8 @@ static int mlx5e_macsec_del_rxsc(struct macsec_context *ctx)
static int mlx5e_macsec_add_rxsa(struct macsec_context *ctx)
{
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
const struct macsec_rx_sa *ctx_rx_sa = ctx->sa.rx_sa;
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
struct mlx5e_macsec_device *macsec_device;
struct mlx5_core_dev *mdev = priv->mdev;
u8 assoc_num = ctx->sa.assoc_num;
......@@ -976,8 +986,8 @@ static int mlx5e_macsec_add_rxsa(struct macsec_context *ctx)
static int mlx5e_macsec_upd_rxsa(struct macsec_context *ctx)
{
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
const struct macsec_rx_sa *ctx_rx_sa = ctx->sa.rx_sa;
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
struct mlx5e_macsec_device *macsec_device;
u8 assoc_num = ctx->sa.assoc_num;
struct mlx5e_macsec_rx_sc *rx_sc;
......@@ -1033,7 +1043,7 @@ static int mlx5e_macsec_upd_rxsa(struct macsec_context *ctx)
static int mlx5e_macsec_del_rxsa(struct macsec_context *ctx)
{
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
struct mlx5e_macsec_device *macsec_device;
sci_t sci = ctx->sa.rx_sa->sc->sci;
struct mlx5e_macsec_rx_sc *rx_sc;
......@@ -1085,7 +1095,7 @@ static int mlx5e_macsec_del_rxsa(struct macsec_context *ctx)
static int mlx5e_macsec_add_secy(struct macsec_context *ctx)
{
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
const struct net_device *dev = ctx->secy->netdev;
const struct net_device *netdev = ctx->netdev;
struct mlx5e_macsec_device *macsec_device;
......@@ -1137,7 +1147,7 @@ static int mlx5e_macsec_add_secy(struct macsec_context *ctx)
static int macsec_upd_secy_hw_address(struct macsec_context *ctx,
struct mlx5e_macsec_device *macsec_device)
{
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
const struct net_device *dev = ctx->secy->netdev;
struct mlx5e_macsec *macsec = priv->macsec;
struct mlx5e_macsec_rx_sc *rx_sc, *tmp;
......@@ -1184,8 +1194,8 @@ static int macsec_upd_secy_hw_address(struct macsec_context *ctx,
*/
static int mlx5e_macsec_upd_secy(struct macsec_context *ctx)
{
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
const struct macsec_tx_sc *tx_sc = &ctx->secy->tx_sc;
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
const struct net_device *dev = ctx->secy->netdev;
struct mlx5e_macsec_device *macsec_device;
struct mlx5e_macsec_sa *tx_sa;
......@@ -1240,7 +1250,7 @@ static int mlx5e_macsec_upd_secy(struct macsec_context *ctx)
static int mlx5e_macsec_del_secy(struct macsec_context *ctx)
{
struct mlx5e_priv *priv = netdev_priv(ctx->netdev);
struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
struct mlx5e_macsec_device *macsec_device;
struct mlx5e_macsec_rx_sc *rx_sc, *tmp;
struct mlx5e_macsec_sa *tx_sa;
......@@ -1741,7 +1751,7 @@ void mlx5e_macsec_offload_handle_rx_skb(struct net_device *netdev,
{
struct mlx5e_macsec_rx_sc_xarray_element *sc_xarray_element;
u32 macsec_meta_data = be32_to_cpu(cqe->ft_metadata);
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5e_priv *priv = macsec_netdev_priv(netdev);
struct mlx5e_macsec_rx_sc *rx_sc;
struct mlx5e_macsec *macsec;
u32 fs_id;
......
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