net/mlx5: Refactor mlx5_create_auto_grouped_flow_table
authorPaul Blakey <paulb@mellanox.com>
Thu, 14 Nov 2019 14:59:58 +0000 (16:59 +0200)
committerSaeed Mahameed <saeedm@mellanox.com>
Thu, 16 Jan 2020 23:41:59 +0000 (15:41 -0800)
Refactor mlx5_create_auto_grouped_flow_table() to use ft_attr param
which already carries the max_fte, prio and flags memebers, and is
used the same in similar mlx5_create_flow_table() function.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
drivers/infiniband/hw/mlx5/main.c
drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
include/linux/mlx5/fs.h

index 51100350b688058dc782306a57fa81abd907612f..f3e6abfa4872f86b9e2667c9bc84e55b90c527b7 100644 (file)
@@ -3239,12 +3239,14 @@ static struct mlx5_ib_flow_prio *_get_prio(struct mlx5_flow_namespace *ns,
                                           int num_entries, int num_groups,
                                           u32 flags)
 {
+       struct mlx5_flow_table_attr ft_attr = {};
        struct mlx5_flow_table *ft;
 
-       ft = mlx5_create_auto_grouped_flow_table(ns, priority,
-                                                num_entries,
-                                                num_groups,
-                                                0, flags);
+       ft_attr.prio = priority;
+       ft_attr.max_fte = num_entries;
+       ft_attr.flags = flags;
+       ft_attr.autogroup.max_num_groups = num_groups;
+       ft = mlx5_create_auto_grouped_flow_table(ns, &ft_attr);
        if (IS_ERR(ft))
                return ERR_CAST(ft);
 
index acd946f2ddbe725d4612236541d2c1ad374ed7ed..3bc2ac3d53fc9c0b5f14acdb0e22f91a605e6331 100644 (file)
@@ -58,6 +58,7 @@ static struct mlx5e_ethtool_table *get_flow_table(struct mlx5e_priv *priv,
                                                  struct ethtool_rx_flow_spec *fs,
                                                  int num_tuples)
 {
+       struct mlx5_flow_table_attr ft_attr = {};
        struct mlx5e_ethtool_table *eth_ft;
        struct mlx5_flow_namespace *ns;
        struct mlx5_flow_table *ft;
@@ -102,9 +103,11 @@ static struct mlx5e_ethtool_table *get_flow_table(struct mlx5e_priv *priv,
        table_size = min_t(u32, BIT(MLX5_CAP_FLOWTABLE(priv->mdev,
                                                       flow_table_properties_nic_receive.log_max_ft_size)),
                           MLX5E_ETHTOOL_NUM_ENTRIES);
-       ft = mlx5_create_auto_grouped_flow_table(ns, prio,
-                                                table_size,
-                                                MLX5E_ETHTOOL_NUM_GROUPS, 0, 0);
+
+       ft_attr.prio = prio;
+       ft_attr.max_fte = table_size;
+       ft_attr.autogroup.max_num_groups = MLX5E_ETHTOOL_NUM_GROUPS;
+       ft = mlx5_create_auto_grouped_flow_table(ns, &ft_attr);
        if (IS_ERR(ft))
                return (void *)ft;
 
index 9b32a9c0f4979100949af0f1efc02a5d02e5f847..80d91e8abcfa78b3ccd37ea3ab280c411bf6b4dd 100644 (file)
@@ -960,7 +960,8 @@ mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv,
 
        mutex_lock(&priv->fs.tc.t_lock);
        if (IS_ERR_OR_NULL(priv->fs.tc.t)) {
-               int tc_grp_size, tc_tbl_size;
+               struct mlx5_flow_table_attr ft_attr = {};
+               int tc_grp_size, tc_tbl_size, tc_num_grps;
                u32 max_flow_counter;
 
                max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) |
@@ -970,13 +971,15 @@ mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv,
 
                tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS,
                                    BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size)));
+               tc_num_grps = MLX5E_TC_TABLE_NUM_GROUPS;
 
+               ft_attr.prio = MLX5E_TC_PRIO;
+               ft_attr.max_fte = tc_tbl_size;
+               ft_attr.level = MLX5E_TC_FT_LEVEL;
+               ft_attr.autogroup.max_num_groups = tc_num_grps;
                priv->fs.tc.t =
                        mlx5_create_auto_grouped_flow_table(priv->fs.ns,
-                                                           MLX5E_TC_PRIO,
-                                                           tc_tbl_size,
-                                                           MLX5E_TC_TABLE_NUM_GROUPS,
-                                                           MLX5E_TC_FT_LEVEL, 0);
+                                                           &ft_attr);
                if (IS_ERR(priv->fs.tc.t)) {
                        mutex_unlock(&priv->fs.tc.t_lock);
                        NL_SET_ERR_MSG_MOD(extack,
index 2c965ad0d74421e85c46b3e5d65a9dbcee9a7551..05b13a1e829c171f14c9870dff130c67cfe0ecf8 100644 (file)
@@ -277,6 +277,7 @@ enum {
 
 static int esw_create_legacy_vepa_table(struct mlx5_eswitch *esw)
 {
+       struct mlx5_flow_table_attr ft_attr = {};
        struct mlx5_core_dev *dev = esw->dev;
        struct mlx5_flow_namespace *root_ns;
        struct mlx5_flow_table *fdb;
@@ -289,8 +290,10 @@ static int esw_create_legacy_vepa_table(struct mlx5_eswitch *esw)
        }
 
        /* num FTE 2, num FG 2 */
-       fdb = mlx5_create_auto_grouped_flow_table(root_ns, LEGACY_VEPA_PRIO,
-                                                 2, 2, 0, 0);
+       ft_attr.prio = LEGACY_VEPA_PRIO;
+       ft_attr.max_fte = 2;
+       ft_attr.autogroup.max_num_groups = 2;
+       fdb = mlx5_create_auto_grouped_flow_table(root_ns, &ft_attr);
        if (IS_ERR(fdb)) {
                err = PTR_ERR(fdb);
                esw_warn(dev, "Failed to create VEPA FDB err %d\n", err);
index 243a5440867e19b5378e4dbb5d0cdce64623db13..4b0d992263b116c44a323caf91bd7bc12df8de55 100644 (file)
@@ -904,6 +904,7 @@ create_next_size_table(struct mlx5_eswitch *esw,
                       int level,
                       u32 flags)
 {
+       struct mlx5_flow_table_attr ft_attr = {};
        struct mlx5_flow_table *fdb;
        int sz;
 
@@ -911,12 +912,12 @@ create_next_size_table(struct mlx5_eswitch *esw,
        if (!sz)
                return ERR_PTR(-ENOSPC);
 
-       fdb = mlx5_create_auto_grouped_flow_table(ns,
-                                                 table_prio,
-                                                 sz,
-                                                 ESW_OFFLOADS_NUM_GROUPS,
-                                                 level,
-                                                 flags);
+       ft_attr.max_fte = sz;
+       ft_attr.prio = table_prio;
+       ft_attr.level = level;
+       ft_attr.flags = flags;
+       ft_attr.autogroup.max_num_groups = ESW_OFFLOADS_NUM_GROUPS;
+       fdb = mlx5_create_auto_grouped_flow_table(ns, &ft_attr);
        if (IS_ERR(fdb)) {
                esw_warn(esw->dev, "Failed to create FDB Table err %d (table prio: %d, level: %d, size: %d)\n",
                         (int)PTR_ERR(fdb), table_prio, level, sz);
index 366bda1bb1c32edfaad041d0b158f160cdb591ed..dc08ed9339ab44a7beca458d45d611a47b4acb1f 100644 (file)
@@ -50,8 +50,8 @@ mlx5_eswitch_termtbl_create(struct mlx5_core_dev *dev,
                            struct mlx5_flow_act *flow_act)
 {
        static const struct mlx5_flow_spec spec = {};
+       struct mlx5_flow_table_attr ft_attr = {};
        struct mlx5_flow_namespace *root_ns;
-       int prio, flags;
        int err;
 
        root_ns = mlx5_get_flow_namespace(dev, MLX5_FLOW_NAMESPACE_FDB);
@@ -63,10 +63,11 @@ mlx5_eswitch_termtbl_create(struct mlx5_core_dev *dev,
        /* As this is the terminating action then the termination table is the
         * same prio as the slow path
         */
-       prio = FDB_SLOW_PATH;
-       flags = MLX5_FLOW_TABLE_TERMINATION;
-       tt->termtbl = mlx5_create_auto_grouped_flow_table(root_ns, prio, 1, 1,
-                                                         0, flags);
+       ft_attr.flags = MLX5_FLOW_TABLE_TERMINATION;
+       ft_attr.prio = FDB_SLOW_PATH;
+       ft_attr.max_fte = 1;
+       ft_attr.autogroup.max_num_groups = 1;
+       tt->termtbl = mlx5_create_auto_grouped_flow_table(root_ns, &ft_attr);
        if (IS_ERR(tt->termtbl)) {
                esw_warn(dev, "Failed to create termination table\n");
                return -EOPNOTSUPP;
index d6057748456768566478d7022b378c8ae879f185..04ebdd6cf67067a129b80272344a5039a4be8993 100644 (file)
@@ -1111,31 +1111,22 @@ EXPORT_SYMBOL(mlx5_create_lag_demux_flow_table);
 
 struct mlx5_flow_table*
 mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
-                                   int prio,
-                                   int num_flow_table_entries,
-                                   int max_num_groups,
-                                   u32 level,
-                                   u32 flags)
+                                   struct mlx5_flow_table_attr *ft_attr)
 {
-       struct mlx5_flow_table_attr ft_attr = {};
        struct mlx5_flow_table *ft;
 
-       if (max_num_groups > num_flow_table_entries)
+       if (ft_attr->autogroup.max_num_groups > ft_attr->max_fte)
                return ERR_PTR(-EINVAL);
 
-       ft_attr.max_fte = num_flow_table_entries;
-       ft_attr.prio    = prio;
-       ft_attr.level   = level;
-       ft_attr.flags   = flags;
-
-       ft = mlx5_create_flow_table(ns, &ft_attr);
+       ft = mlx5_create_flow_table(ns, ft_attr);
        if (IS_ERR(ft))
                return ft;
 
        ft->autogroup.active = true;
-       ft->autogroup.required_groups = max_num_groups;
+       ft->autogroup.required_groups = ft_attr->autogroup.max_num_groups;
        /* We save place for flow groups in addition to max types */
-       ft->autogroup.group_size = ft->max_fte / (max_num_groups + 1);
+       ft->autogroup.group_size = ft->max_fte /
+                                  (ft->autogroup.required_groups + 1);
 
        return ft;
 }
index 4e5b84e668225c6a86b56c5de08d1c8b2ddb1f83..a3f8b63839dee09f12ecd85bc85f5300300ef5ac 100644 (file)
@@ -145,25 +145,25 @@ mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev,
                                  enum mlx5_flow_namespace_type type,
                                  int vport);
 
-struct mlx5_flow_table *
-mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
-                                   int prio,
-                                   int num_flow_table_entries,
-                                   int max_num_groups,
-                                   u32 level,
-                                   u32 flags);
-
 struct mlx5_flow_table_attr {
        int prio;
        int max_fte;
        u32 level;
        u32 flags;
+
+       struct {
+               int max_num_groups;
+       } autogroup;
 };
 
 struct mlx5_flow_table *
 mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
                       struct mlx5_flow_table_attr *ft_attr);
 
+struct mlx5_flow_table *
+mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
+                                   struct mlx5_flow_table_attr *ft_attr);
+
 struct mlx5_flow_table *
 mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
                             int prio,