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Message-ID: <1ebd853d776fc56742cb79da4a39ddf4c3e67e9f.1675692666.git.petrm@nvidia.com>
Date: Mon, 6 Feb 2023 16:39:21 +0100
From: Petr Machata <petrm@...dia.com>
To: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, <netdev@...r.kernel.org>
CC: Jacob Keller <jacob.e.keller@...el.com>,
Ido Schimmel <idosch@...dia.com>,
Petr Machata <petrm@...dia.com>, Jiri Pirko <jiri@...dia.com>,
"Danielle Ratson" <danieller@...dia.com>, <mlxsw@...dia.com>
Subject: [PATCH net-next 4/6] mlxsw: spectrum_acl_tcam: Reorder functions to avoid forward declarations
From: Ido Schimmel <idosch@...dia.com>
Move the initialization and de-initialization code further below in
order to avoid forward declarations in the next patch. No functional
changes.
Signed-off-by: Ido Schimmel <idosch@...dia.com>
Reviewed-by: Jiri Pirko <jiri@...dia.com>
Signed-off-by: Petr Machata <petrm@...dia.com>
---
.../mellanox/mlxsw/spectrum_acl_tcam.c | 130 +++++++++---------
1 file changed, 65 insertions(+), 65 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
index 2445957355cd..dbc2f834f859 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
@@ -29,71 +29,6 @@ size_t mlxsw_sp_acl_tcam_priv_size(struct mlxsw_sp *mlxsw_sp)
#define MLXSW_SP_ACL_TCAM_VREGION_REHASH_INTRVL_MIN 3000 /* ms */
#define MLXSW_SP_ACL_TCAM_VREGION_REHASH_CREDITS 100 /* number of entries */
-int mlxsw_sp_acl_tcam_init(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_tcam *tcam)
-{
- const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops;
- u64 max_tcam_regions;
- u64 max_regions;
- u64 max_groups;
- int err;
-
- mutex_init(&tcam->lock);
- tcam->vregion_rehash_intrvl =
- MLXSW_SP_ACL_TCAM_VREGION_REHASH_INTRVL_DFLT;
- INIT_LIST_HEAD(&tcam->vregion_list);
-
- max_tcam_regions = MLXSW_CORE_RES_GET(mlxsw_sp->core,
- ACL_MAX_TCAM_REGIONS);
- max_regions = MLXSW_CORE_RES_GET(mlxsw_sp->core, ACL_MAX_REGIONS);
-
- /* Use 1:1 mapping between ACL region and TCAM region */
- if (max_tcam_regions < max_regions)
- max_regions = max_tcam_regions;
-
- tcam->used_regions = bitmap_zalloc(max_regions, GFP_KERNEL);
- if (!tcam->used_regions) {
- err = -ENOMEM;
- goto err_alloc_used_regions;
- }
- tcam->max_regions = max_regions;
-
- max_groups = MLXSW_CORE_RES_GET(mlxsw_sp->core, ACL_MAX_GROUPS);
- tcam->used_groups = bitmap_zalloc(max_groups, GFP_KERNEL);
- if (!tcam->used_groups) {
- err = -ENOMEM;
- goto err_alloc_used_groups;
- }
- tcam->max_groups = max_groups;
- tcam->max_group_size = MLXSW_CORE_RES_GET(mlxsw_sp->core,
- ACL_MAX_GROUP_SIZE);
-
- err = ops->init(mlxsw_sp, tcam->priv, tcam);
- if (err)
- goto err_tcam_init;
-
- return 0;
-
-err_tcam_init:
- bitmap_free(tcam->used_groups);
-err_alloc_used_groups:
- bitmap_free(tcam->used_regions);
-err_alloc_used_regions:
- mutex_destroy(&tcam->lock);
- return err;
-}
-
-void mlxsw_sp_acl_tcam_fini(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_tcam *tcam)
-{
- const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops;
-
- ops->fini(mlxsw_sp, tcam->priv);
- bitmap_free(tcam->used_groups);
- bitmap_free(tcam->used_regions);
- mutex_destroy(&tcam->lock);
-}
-
int mlxsw_sp_acl_tcam_priority_get(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_rule_info *rulei,
u32 *priority, bool fillup_priority)
@@ -1546,6 +1481,71 @@ mlxsw_sp_acl_tcam_vregion_rehash(struct mlxsw_sp *mlxsw_sp,
mlxsw_sp_acl_tcam_vregion_rehash_end(mlxsw_sp, vregion, ctx);
}
+int mlxsw_sp_acl_tcam_init(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_acl_tcam *tcam)
+{
+ const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops;
+ u64 max_tcam_regions;
+ u64 max_regions;
+ u64 max_groups;
+ int err;
+
+ mutex_init(&tcam->lock);
+ tcam->vregion_rehash_intrvl =
+ MLXSW_SP_ACL_TCAM_VREGION_REHASH_INTRVL_DFLT;
+ INIT_LIST_HEAD(&tcam->vregion_list);
+
+ max_tcam_regions = MLXSW_CORE_RES_GET(mlxsw_sp->core,
+ ACL_MAX_TCAM_REGIONS);
+ max_regions = MLXSW_CORE_RES_GET(mlxsw_sp->core, ACL_MAX_REGIONS);
+
+ /* Use 1:1 mapping between ACL region and TCAM region */
+ if (max_tcam_regions < max_regions)
+ max_regions = max_tcam_regions;
+
+ tcam->used_regions = bitmap_zalloc(max_regions, GFP_KERNEL);
+ if (!tcam->used_regions) {
+ err = -ENOMEM;
+ goto err_alloc_used_regions;
+ }
+ tcam->max_regions = max_regions;
+
+ max_groups = MLXSW_CORE_RES_GET(mlxsw_sp->core, ACL_MAX_GROUPS);
+ tcam->used_groups = bitmap_zalloc(max_groups, GFP_KERNEL);
+ if (!tcam->used_groups) {
+ err = -ENOMEM;
+ goto err_alloc_used_groups;
+ }
+ tcam->max_groups = max_groups;
+ tcam->max_group_size = MLXSW_CORE_RES_GET(mlxsw_sp->core,
+ ACL_MAX_GROUP_SIZE);
+
+ err = ops->init(mlxsw_sp, tcam->priv, tcam);
+ if (err)
+ goto err_tcam_init;
+
+ return 0;
+
+err_tcam_init:
+ bitmap_free(tcam->used_groups);
+err_alloc_used_groups:
+ bitmap_free(tcam->used_regions);
+err_alloc_used_regions:
+ mutex_destroy(&tcam->lock);
+ return err;
+}
+
+void mlxsw_sp_acl_tcam_fini(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_acl_tcam *tcam)
+{
+ const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops;
+
+ ops->fini(mlxsw_sp, tcam->priv);
+ bitmap_free(tcam->used_groups);
+ bitmap_free(tcam->used_regions);
+ mutex_destroy(&tcam->lock);
+}
+
static const enum mlxsw_afk_element mlxsw_sp_acl_tcam_pattern_ipv4[] = {
MLXSW_AFK_ELEMENT_SRC_SYS_PORT,
MLXSW_AFK_ELEMENT_DMAC_32_47,
--
2.39.0
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