On 02.06.2024 16:18, Christophe JAILLET wrote:
> 'struct devlink_dpipe_table_ops' are not modified in this driver.
>
> Constifying these structures moves some data to a read-only section, so
> increase overall security.
>
> On a x86_64, with allmodconfig:
> Before:
> ======
> text data bss dec hex filename
> 15557 712 0 16269 3f8d drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.o
>
> After:
> =====
> text data bss dec hex filename
> 15789 488 0 16277 3f95 drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.o
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
Reviewed-by: Wojciech Drewek <wojciech.drewek@xxxxxxxxx>
> drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
> index ca80af06465f..fa6eddd27ecf 100644
> --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
> +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
> @@ -283,7 +283,7 @@ static u64 mlxsw_sp_dpipe_table_erif_size_get(void *priv)
> return MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS);
> }
>
> -static struct devlink_dpipe_table_ops mlxsw_sp_erif_ops = {
> +static const struct devlink_dpipe_table_ops mlxsw_sp_erif_ops = {
> .matches_dump = mlxsw_sp_dpipe_table_erif_matches_dump,
> .actions_dump = mlxsw_sp_dpipe_table_erif_actions_dump,
> .entries_dump = mlxsw_sp_dpipe_table_erif_entries_dump,
> @@ -734,7 +734,7 @@ static u64 mlxsw_sp_dpipe_table_host4_size_get(void *priv)
> return mlxsw_sp_dpipe_table_host_size_get(mlxsw_sp, AF_INET);
> }
>
> -static struct devlink_dpipe_table_ops mlxsw_sp_host4_ops = {
> +static const struct devlink_dpipe_table_ops mlxsw_sp_host4_ops = {
> .matches_dump = mlxsw_sp_dpipe_table_host4_matches_dump,
> .actions_dump = mlxsw_sp_dpipe_table_host_actions_dump,
> .entries_dump = mlxsw_sp_dpipe_table_host4_entries_dump,
> @@ -811,7 +811,7 @@ static u64 mlxsw_sp_dpipe_table_host6_size_get(void *priv)
> return mlxsw_sp_dpipe_table_host_size_get(mlxsw_sp, AF_INET6);
> }
>
> -static struct devlink_dpipe_table_ops mlxsw_sp_host6_ops = {
> +static const struct devlink_dpipe_table_ops mlxsw_sp_host6_ops = {
> .matches_dump = mlxsw_sp_dpipe_table_host6_matches_dump,
> .actions_dump = mlxsw_sp_dpipe_table_host_actions_dump,
> .entries_dump = mlxsw_sp_dpipe_table_host6_entries_dump,
> @@ -1230,7 +1230,7 @@ mlxsw_sp_dpipe_table_adj_size_get(void *priv)
> return size;
> }
>
> -static struct devlink_dpipe_table_ops mlxsw_sp_dpipe_table_adj_ops = {
> +static const struct devlink_dpipe_table_ops mlxsw_sp_dpipe_table_adj_ops = {
> .matches_dump = mlxsw_sp_dpipe_table_adj_matches_dump,
> .actions_dump = mlxsw_sp_dpipe_table_adj_actions_dump,
> .entries_dump = mlxsw_sp_dpipe_table_adj_entries_dump,
