[PATCH net-next 06/11] mlxsw: Create dedicated field for Rx metadata in skb control block

[Ido Schimmel]

From: Ido Schimmel <ido...@nvidia.com>

Next patch will need to encode more Rx metadata in the skb control
block, so create a dedicated field for it and move the cookie index
there.

Signed-off-by: Ido Schimmel <ido...@nvidia.com>
Reviewed-by: Jiri Pirko <j...@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlxsw/core.h          | 6 +++++-
 drivers/net/ethernet/mellanox/mlxsw/pci.c           | 2 +-
 drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c | 2 +-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h 
b/drivers/net/ethernet/mellanox/mlxsw/core.h
index 8af7d9d03475..86adc17c8901 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.h
@@ -58,6 +58,10 @@ struct mlxsw_tx_info {
        bool is_emad;
 };
 
+struct mlxsw_rx_md_info {
+       u32 cookie_index;
+};
+
 bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core,
                                  const struct mlxsw_tx_info *tx_info);
 int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
@@ -515,7 +519,7 @@ enum mlxsw_devlink_param_id {
 struct mlxsw_skb_cb {
        union {
                struct mlxsw_tx_info tx_info;
-               u32 cookie_index; /* Only used during receive */
+               struct mlxsw_rx_md_info rx_md_info;
        };
 };
 
diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c 
b/drivers/net/ethernet/mellanox/mlxsw/pci.c
index d0052537e627..8eee8b3c675e 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/pci.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c
@@ -581,7 +581,7 @@ static void mlxsw_pci_cqe_rdq_handle(struct mlxsw_pci 
*mlxsw_pci,
 
                if (mlxsw_pci->max_cqe_ver >= MLXSW_PCI_CQE_V2)
                        cookie_index = 
mlxsw_pci_cqe2_user_def_val_orig_pkt_len_get(cqe);
-               mlxsw_skb_cb(skb)->cookie_index = cookie_index;
+               mlxsw_skb_cb(skb)->rx_md_info.cookie_index = cookie_index;
        } else if (rx_info.trap_id >= MLXSW_TRAP_ID_MIRROR_SESSION0 &&
                   rx_info.trap_id <= MLXSW_TRAP_ID_MIRROR_SESSION7 &&
                   mlxsw_pci->max_cqe_ver >= MLXSW_PCI_CQE_V2) {
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c 
b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
index e0e6ee58d31a..5d4ae4886f76 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
@@ -108,7 +108,7 @@ static void mlxsw_sp_rx_drop_listener(struct sk_buff *skb, 
u8 local_port,
 static void mlxsw_sp_rx_acl_drop_listener(struct sk_buff *skb, u8 local_port,
                                          void *trap_ctx)
 {
-       u32 cookie_index = mlxsw_skb_cb(skb)->cookie_index;
+       u32 cookie_index = mlxsw_skb_cb(skb)->rx_md_info.cookie_index;
        const struct flow_action_cookie *fa_cookie;
        struct devlink_port *in_devlink_port;
        struct mlxsw_sp_port *mlxsw_sp_port;
-- 
2.29.2