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Date: Thu, 13 Jun 2019 04:32:25 +0000
From: Parav Pandit <parav@...lanox.com>
To: Leon Romanovsky <leon@...nel.org>,
Doug Ledford <dledford@...hat.com>,
Jason Gunthorpe <jgg@...lanox.com>
CC: Leon Romanovsky <leonro@...lanox.com>,
RDMA mailing list <linux-rdma@...r.kernel.org>,
Maor Gottlieb <maorg@...lanox.com>,
Mark Bloch <markb@...lanox.com>, Petr Vorel <pvorel@...e.cz>,
Saeed Mahameed <saeedm@...lanox.com>,
linux-netdev <netdev@...r.kernel.org>,
Jiri Pirko <jiri@...lanox.com>
Subject: RE: [PATCH mlx5-next v1 1/4] net/mlx5: Declare more strictly devlink
encap mode
> -----Original Message-----
> From: Leon Romanovsky <leon@...nel.org>
> Sent: Wednesday, June 12, 2019 5:50 PM
> To: Doug Ledford <dledford@...hat.com>; Jason Gunthorpe
> <jgg@...lanox.com>
> Cc: Leon Romanovsky <leonro@...lanox.com>; RDMA mailing list <linux-
> rdma@...r.kernel.org>; Maor Gottlieb <maorg@...lanox.com>; Mark Bloch
> <markb@...lanox.com>; Parav Pandit <parav@...lanox.com>; Petr Vorel
> <pvorel@...e.cz>; Saeed Mahameed <saeedm@...lanox.com>; linux-
> netdev <netdev@...r.kernel.org>; Jiri Pirko <jiri@...lanox.com>
> Subject: [PATCH mlx5-next v1 1/4] net/mlx5: Declare more strictly devlink
> encap mode
>
> From: Leon Romanovsky <leonro@...lanox.com>
>
> Devlink has UAPI declaration for encap mode, so there is no need to be
> loose on the data get/set by drivers.
>
> Update call sites to use enum devlink_eswitch_encap_mode instead of plain
> u8.
>
> Suggested-by: Parav Pandit <parav@...lanox.com>
> Signed-off-by: Leon Romanovsky <leonro@...lanox.com>
> ---
> drivers/net/ethernet/mellanox/mlx5/core/eswitch.h | 8 +++++---
> .../net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 6 ++++--
> include/net/devlink.h | 6 ++++--
> net/core/devlink.c | 6 ++++--
> 4 files changed, 17 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
> b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
> index ed3fad689ec9..e264dfc64a6e 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
> @@ -175,7 +175,7 @@ struct mlx5_esw_offload {
> DECLARE_HASHTABLE(mod_hdr_tbl, 8);
> u8 inline_mode;
> u64 num_flows;
> - u8 encap;
> + enum devlink_eswitch_encap_mode encap;
> };
>
> /* E-Switch MC FDB table hash node */
> @@ -356,9 +356,11 @@ int mlx5_devlink_eswitch_inline_mode_set(struct
> devlink *devlink, u8 mode,
> struct netlink_ext_ack *extack);
> int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8
> *mode); int mlx5_eswitch_inline_mode_get(struct mlx5_eswitch *esw, int
> nvfs, u8 *mode); -int mlx5_devlink_eswitch_encap_mode_set(struct devlink
> *devlink, u8 encap,
> +int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink,
> + enum devlink_eswitch_encap_mode
> encap,
> struct netlink_ext_ack *extack);
> -int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, u8
> *encap);
> +int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink,
> + enum devlink_eswitch_encap_mode
> *encap);
> void *mlx5_eswitch_get_uplink_priv(struct mlx5_eswitch *esw, u8
> rep_type);
>
> int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw, diff --git
> a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
> b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
> index e09ae27485ee..f1571163143d 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
> @@ -2137,7 +2137,8 @@ int mlx5_eswitch_inline_mode_get(struct
> mlx5_eswitch *esw, int nvfs, u8 *mode)
> return 0;
> }
>
> -int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, u8
> encap,
> +int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink,
> + enum devlink_eswitch_encap_mode
> encap,
> struct netlink_ext_ack *extack)
> {
> struct mlx5_core_dev *dev = devlink_priv(devlink); @@ -2186,7
> +2187,8 @@ int mlx5_devlink_eswitch_encap_mode_set(struct devlink
> *devlink, u8 encap,
> return err;
> }
>
> -int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, u8
> *encap)
> +int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink,
> + enum devlink_eswitch_encap_mode
> *encap)
> {
> struct mlx5_core_dev *dev = devlink_priv(devlink);
> struct mlx5_eswitch *esw = dev->priv.eswitch; diff --git
> a/include/net/devlink.h b/include/net/devlink.h index
> 1c4adfb4195a..7a34fc586def 100644
> --- a/include/net/devlink.h
> +++ b/include/net/devlink.h
> @@ -530,8 +530,10 @@ struct devlink_ops {
> int (*eswitch_inline_mode_get)(struct devlink *devlink, u8
> *p_inline_mode);
> int (*eswitch_inline_mode_set)(struct devlink *devlink, u8
> inline_mode,
> struct netlink_ext_ack *extack);
> - int (*eswitch_encap_mode_get)(struct devlink *devlink, u8
> *p_encap_mode);
> - int (*eswitch_encap_mode_set)(struct devlink *devlink, u8
> encap_mode,
> + int (*eswitch_encap_mode_get)(struct devlink *devlink,
> + enum devlink_eswitch_encap_mode
> *p_encap_mode);
> + int (*eswitch_encap_mode_set)(struct devlink *devlink,
> + enum devlink_eswitch_encap_mode
> encap_mode,
> struct netlink_ext_ack *extack);
> int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
> struct netlink_ext_ack *extack);
> diff --git a/net/core/devlink.c b/net/core/devlink.c index
> d43bc52b8840..47ae69363b07 100644
> --- a/net/core/devlink.c
> +++ b/net/core/devlink.c
> @@ -1552,7 +1552,8 @@ static int devlink_nl_eswitch_fill(struct sk_buff
> *msg, struct devlink *devlink,
> u32 seq, int flags)
> {
> const struct devlink_ops *ops = devlink->ops;
> - u8 inline_mode, encap_mode;
> + enum devlink_eswitch_encap_mode encap_mode;
> + u8 inline_mode;
> void *hdr;
> int err = 0;
> u16 mode;
> @@ -1628,7 +1629,8 @@ static int devlink_nl_cmd_eswitch_set_doit(struct
> sk_buff *skb, {
> struct devlink *devlink = info->user_ptr[0];
> const struct devlink_ops *ops = devlink->ops;
> - u8 inline_mode, encap_mode;
> + enum devlink_eswitch_encap_mode encap_mode;
> + u8 inline_mode;
> int err = 0;
> u16 mode;
>
> --
> 2.20.1
Netdev follows reverse Christmas tree, but otherwise,
Reviewed-by: Parav Pandit <parav@...lanox.com>
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