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path: root/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c178
1 files changed, 156 insertions, 22 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
index a3db033d7399..055cc6943b34 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
@@ -15,6 +15,7 @@
struct mlxsw_sp_fid_family;
struct mlxsw_sp_fid_core {
+ struct rhashtable fid_ht;
struct rhashtable vni_ht;
struct mlxsw_sp_fid_family *fid_family_arr[MLXSW_SP_FID_TYPE_MAX];
unsigned int *port_fid_mappings;
@@ -26,10 +27,13 @@ struct mlxsw_sp_fid {
unsigned int ref_count;
u16 fid_index;
struct mlxsw_sp_fid_family *fid_family;
+ struct rhash_head ht_node;
struct rhash_head vni_ht_node;
+ enum mlxsw_sp_nve_type nve_type;
__be32 vni;
u32 nve_flood_index;
+ int nve_ifindex;
u8 vni_valid:1,
nve_flood_index_valid:1;
};
@@ -44,6 +48,12 @@ struct mlxsw_sp_fid_8021d {
int br_ifindex;
};
+static const struct rhashtable_params mlxsw_sp_fid_ht_params = {
+ .key_len = sizeof_field(struct mlxsw_sp_fid, fid_index),
+ .key_offset = offsetof(struct mlxsw_sp_fid, fid_index),
+ .head_offset = offsetof(struct mlxsw_sp_fid, ht_node),
+};
+
static const struct rhashtable_params mlxsw_sp_fid_vni_ht_params = {
.key_len = sizeof_field(struct mlxsw_sp_fid, vni),
.key_offset = offsetof(struct mlxsw_sp_fid, vni),
@@ -75,6 +85,8 @@ struct mlxsw_sp_fid_ops {
int (*nve_flood_index_set)(struct mlxsw_sp_fid *fid,
u32 nve_flood_index);
void (*nve_flood_index_clear)(struct mlxsw_sp_fid *fid);
+ void (*fdb_clear_offload)(const struct mlxsw_sp_fid *fid,
+ const struct net_device *nve_dev);
};
struct mlxsw_sp_fid_family {
@@ -89,6 +101,7 @@ struct mlxsw_sp_fid_family {
enum mlxsw_sp_rif_type rif_type;
const struct mlxsw_sp_fid_ops *ops;
struct mlxsw_sp *mlxsw_sp;
+ u8 lag_vid_valid:1;
};
static const int mlxsw_sp_sfgc_uc_packet_types[MLXSW_REG_SFGC_TYPE_MAX] = {
@@ -113,6 +126,45 @@ static const int *mlxsw_sp_packet_type_sfgc_types[] = {
[MLXSW_SP_FLOOD_TYPE_MC] = mlxsw_sp_sfgc_mc_packet_types,
};
+bool mlxsw_sp_fid_lag_vid_valid(const struct mlxsw_sp_fid *fid)
+{
+ return fid->fid_family->lag_vid_valid;
+}
+
+struct mlxsw_sp_fid *mlxsw_sp_fid_lookup_by_index(struct mlxsw_sp *mlxsw_sp,
+ u16 fid_index)
+{
+ struct mlxsw_sp_fid *fid;
+
+ fid = rhashtable_lookup_fast(&mlxsw_sp->fid_core->fid_ht, &fid_index,
+ mlxsw_sp_fid_ht_params);
+ if (fid)
+ fid->ref_count++;
+
+ return fid;
+}
+
+int mlxsw_sp_fid_nve_ifindex(const struct mlxsw_sp_fid *fid, int *nve_ifindex)
+{
+ if (!fid->vni_valid)
+ return -EINVAL;
+
+ *nve_ifindex = fid->nve_ifindex;
+
+ return 0;
+}
+
+int mlxsw_sp_fid_nve_type(const struct mlxsw_sp_fid *fid,
+ enum mlxsw_sp_nve_type *p_type)
+{
+ if (!fid->vni_valid)
+ return -EINVAL;
+
+ *p_type = fid->nve_type;
+
+ return 0;
+}
+
struct mlxsw_sp_fid *mlxsw_sp_fid_lookup_by_vni(struct mlxsw_sp *mlxsw_sp,
__be32 vni)
{
@@ -173,7 +225,8 @@ bool mlxsw_sp_fid_nve_flood_index_is_set(const struct mlxsw_sp_fid *fid)
return fid->nve_flood_index_valid;
}
-int mlxsw_sp_fid_vni_set(struct mlxsw_sp_fid *fid, __be32 vni)
+int mlxsw_sp_fid_vni_set(struct mlxsw_sp_fid *fid, enum mlxsw_sp_nve_type type,
+ __be32 vni, int nve_ifindex)
{
struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
const struct mlxsw_sp_fid_ops *ops = fid_family->ops;
@@ -183,6 +236,8 @@ int mlxsw_sp_fid_vni_set(struct mlxsw_sp_fid *fid, __be32 vni)
if (WARN_ON(!ops->vni_set || fid->vni_valid))
return -EINVAL;
+ fid->nve_type = type;
+ fid->nve_ifindex = nve_ifindex;
fid->vni = vni;
err = rhashtable_lookup_insert_fast(&mlxsw_sp->fid_core->vni_ht,
&fid->vni_ht_node,
@@ -224,6 +279,16 @@ bool mlxsw_sp_fid_vni_is_set(const struct mlxsw_sp_fid *fid)
return fid->vni_valid;
}
+void mlxsw_sp_fid_fdb_clear_offload(const struct mlxsw_sp_fid *fid,
+ const struct net_device *nve_dev)
+{
+ struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
+ const struct mlxsw_sp_fid_ops *ops = fid_family->ops;
+
+ if (ops->fdb_clear_offload)
+ ops->fdb_clear_offload(fid, nve_dev);
+}
+
static const struct mlxsw_sp_flood_table *
mlxsw_sp_fid_flood_table_lookup(const struct mlxsw_sp_fid *fid,
enum mlxsw_sp_flood_type packet_type)
@@ -284,11 +349,6 @@ void mlxsw_sp_fid_port_vid_unmap(struct mlxsw_sp_fid *fid,
fid->fid_family->ops->port_vid_unmap(fid, mlxsw_sp_port, vid);
}
-enum mlxsw_sp_rif_type mlxsw_sp_fid_rif_type(const struct mlxsw_sp_fid *fid)
-{
- return fid->fid_family->rif_type;
-}
-
u16 mlxsw_sp_fid_index(const struct mlxsw_sp_fid *fid)
{
return fid->fid_index;
@@ -304,6 +364,11 @@ void mlxsw_sp_fid_rif_set(struct mlxsw_sp_fid *fid, struct mlxsw_sp_rif *rif)
fid->rif = rif;
}
+struct mlxsw_sp_rif *mlxsw_sp_fid_rif(const struct mlxsw_sp_fid *fid)
+{
+ return fid->rif;
+}
+
enum mlxsw_sp_rif_type
mlxsw_sp_fid_type_rif_type(const struct mlxsw_sp *mlxsw_sp,
enum mlxsw_sp_fid_type type)
@@ -568,7 +633,7 @@ mlxsw_sp_fid_8021d_compare(const struct mlxsw_sp_fid *fid, const void *arg)
static u16 mlxsw_sp_fid_8021d_flood_index(const struct mlxsw_sp_fid *fid)
{
- return fid->fid_index - fid->fid_family->start_index;
+ return fid->fid_index - VLAN_N_VID;
}
static int mlxsw_sp_port_vp_mode_trans(struct mlxsw_sp_port *mlxsw_sp_port)
@@ -713,6 +778,13 @@ static void mlxsw_sp_fid_8021d_nve_flood_index_clear(struct mlxsw_sp_fid *fid)
fid->vni_valid, 0, false);
}
+static void
+mlxsw_sp_fid_8021d_fdb_clear_offload(const struct mlxsw_sp_fid *fid,
+ const struct net_device *nve_dev)
+{
+ br_fdb_clear_offload(nve_dev, 0);
+}
+
static const struct mlxsw_sp_fid_ops mlxsw_sp_fid_8021d_ops = {
.setup = mlxsw_sp_fid_8021d_setup,
.configure = mlxsw_sp_fid_8021d_configure,
@@ -726,6 +798,7 @@ static const struct mlxsw_sp_fid_ops mlxsw_sp_fid_8021d_ops = {
.vni_clear = mlxsw_sp_fid_8021d_vni_clear,
.nve_flood_index_set = mlxsw_sp_fid_8021d_nve_flood_index_set,
.nve_flood_index_clear = mlxsw_sp_fid_8021d_nve_flood_index_clear,
+ .fdb_clear_offload = mlxsw_sp_fid_8021d_fdb_clear_offload,
};
static const struct mlxsw_sp_flood_table mlxsw_sp_fid_8021d_flood_tables[] = {
@@ -759,6 +832,48 @@ static const struct mlxsw_sp_fid_family mlxsw_sp_fid_8021d_family = {
.nr_flood_tables = ARRAY_SIZE(mlxsw_sp_fid_8021d_flood_tables),
.rif_type = MLXSW_SP_RIF_TYPE_FID,
.ops = &mlxsw_sp_fid_8021d_ops,
+ .lag_vid_valid = 1,
+};
+
+static void
+mlxsw_sp_fid_8021q_fdb_clear_offload(const struct mlxsw_sp_fid *fid,
+ const struct net_device *nve_dev)
+{
+ br_fdb_clear_offload(nve_dev, mlxsw_sp_fid_8021q_vid(fid));
+}
+
+static const struct mlxsw_sp_fid_ops mlxsw_sp_fid_8021q_emu_ops = {
+ .setup = mlxsw_sp_fid_8021q_setup,
+ .configure = mlxsw_sp_fid_8021d_configure,
+ .deconfigure = mlxsw_sp_fid_8021d_deconfigure,
+ .index_alloc = mlxsw_sp_fid_8021d_index_alloc,
+ .compare = mlxsw_sp_fid_8021q_compare,
+ .flood_index = mlxsw_sp_fid_8021d_flood_index,
+ .port_vid_map = mlxsw_sp_fid_8021d_port_vid_map,
+ .port_vid_unmap = mlxsw_sp_fid_8021d_port_vid_unmap,
+ .vni_set = mlxsw_sp_fid_8021d_vni_set,
+ .vni_clear = mlxsw_sp_fid_8021d_vni_clear,
+ .nve_flood_index_set = mlxsw_sp_fid_8021d_nve_flood_index_set,
+ .nve_flood_index_clear = mlxsw_sp_fid_8021d_nve_flood_index_clear,
+ .fdb_clear_offload = mlxsw_sp_fid_8021q_fdb_clear_offload,
+};
+
+/* There are 4K-2 emulated 802.1Q FIDs, starting right after the 802.1D FIDs */
+#define MLXSW_SP_FID_8021Q_EMU_START (VLAN_N_VID + MLXSW_SP_FID_8021D_MAX)
+#define MLXSW_SP_FID_8021Q_EMU_END (MLXSW_SP_FID_8021Q_EMU_START + \
+ VLAN_VID_MASK - 2)
+
+/* Range and flood configuration must match mlxsw_config_profile */
+static const struct mlxsw_sp_fid_family mlxsw_sp_fid_8021q_emu_family = {
+ .type = MLXSW_SP_FID_TYPE_8021Q,
+ .fid_size = sizeof(struct mlxsw_sp_fid_8021q),
+ .start_index = MLXSW_SP_FID_8021Q_EMU_START,
+ .end_index = MLXSW_SP_FID_8021Q_EMU_END,
+ .flood_tables = mlxsw_sp_fid_8021d_flood_tables,
+ .nr_flood_tables = ARRAY_SIZE(mlxsw_sp_fid_8021d_flood_tables),
+ .rif_type = MLXSW_SP_RIF_TYPE_VLAN,
+ .ops = &mlxsw_sp_fid_8021q_emu_ops,
+ .lag_vid_valid = 1,
};
static int mlxsw_sp_fid_rfid_configure(struct mlxsw_sp_fid *fid)
@@ -888,7 +1003,7 @@ static const struct mlxsw_sp_fid_family mlxsw_sp_fid_dummy_family = {
};
static const struct mlxsw_sp_fid_family *mlxsw_sp_fid_family_arr[] = {
- [MLXSW_SP_FID_TYPE_8021Q] = &mlxsw_sp_fid_8021q_family,
+ [MLXSW_SP_FID_TYPE_8021Q] = &mlxsw_sp_fid_8021q_emu_family,
[MLXSW_SP_FID_TYPE_8021D] = &mlxsw_sp_fid_8021d_family,
[MLXSW_SP_FID_TYPE_RFID] = &mlxsw_sp_fid_rfid_family,
[MLXSW_SP_FID_TYPE_DUMMY] = &mlxsw_sp_fid_dummy_family,
@@ -944,10 +1059,17 @@ static struct mlxsw_sp_fid *mlxsw_sp_fid_get(struct mlxsw_sp *mlxsw_sp,
if (err)
goto err_configure;
+ err = rhashtable_insert_fast(&mlxsw_sp->fid_core->fid_ht, &fid->ht_node,
+ mlxsw_sp_fid_ht_params);
+ if (err)
+ goto err_rhashtable_insert;
+
list_add(&fid->list, &fid_family->fids_list);
fid->ref_count++;
return fid;
+err_rhashtable_insert:
+ fid->fid_family->ops->deconfigure(fid);
err_configure:
__clear_bit(fid_index - fid_family->start_index,
fid_family->fids_bitmap);
@@ -959,19 +1081,18 @@ err_index_alloc:
void mlxsw_sp_fid_put(struct mlxsw_sp_fid *fid)
{
struct mlxsw_sp_fid_family *fid_family = fid->fid_family;
+ struct mlxsw_sp *mlxsw_sp = fid_family->mlxsw_sp;
- if (--fid->ref_count == 1 && fid->rif) {
- /* Destroy the associated RIF and let it drop the last
- * reference on the FID.
- */
- return mlxsw_sp_rif_destroy(fid->rif);
- } else if (fid->ref_count == 0) {
- list_del(&fid->list);
- fid->fid_family->ops->deconfigure(fid);
- __clear_bit(fid->fid_index - fid_family->start_index,
- fid_family->fids_bitmap);
- kfree(fid);
- }
+ if (--fid->ref_count != 0)
+ return;
+
+ list_del(&fid->list);
+ rhashtable_remove_fast(&mlxsw_sp->fid_core->fid_ht,
+ &fid->ht_node, mlxsw_sp_fid_ht_params);
+ fid->fid_family->ops->deconfigure(fid);
+ __clear_bit(fid->fid_index - fid_family->start_index,
+ fid_family->fids_bitmap);
+ kfree(fid);
}
struct mlxsw_sp_fid *mlxsw_sp_fid_8021q_get(struct mlxsw_sp *mlxsw_sp, u16 vid)
@@ -985,6 +1106,12 @@ struct mlxsw_sp_fid *mlxsw_sp_fid_8021d_get(struct mlxsw_sp *mlxsw_sp,
return mlxsw_sp_fid_get(mlxsw_sp, MLXSW_SP_FID_TYPE_8021D, &br_ifindex);
}
+struct mlxsw_sp_fid *mlxsw_sp_fid_8021q_lookup(struct mlxsw_sp *mlxsw_sp,
+ u16 vid)
+{
+ return mlxsw_sp_fid_lookup(mlxsw_sp, MLXSW_SP_FID_TYPE_8021Q, &vid);
+}
+
struct mlxsw_sp_fid *mlxsw_sp_fid_8021d_lookup(struct mlxsw_sp *mlxsw_sp,
int br_ifindex)
{
@@ -1126,9 +1253,13 @@ int mlxsw_sp_fids_init(struct mlxsw_sp *mlxsw_sp)
return -ENOMEM;
mlxsw_sp->fid_core = fid_core;
+ err = rhashtable_init(&fid_core->fid_ht, &mlxsw_sp_fid_ht_params);
+ if (err)
+ goto err_rhashtable_fid_init;
+
err = rhashtable_init(&fid_core->vni_ht, &mlxsw_sp_fid_vni_ht_params);
if (err)
- goto err_rhashtable_init;
+ goto err_rhashtable_vni_init;
fid_core->port_fid_mappings = kcalloc(max_ports, sizeof(unsigned int),
GFP_KERNEL);
@@ -1157,7 +1288,9 @@ err_fid_ops_register:
kfree(fid_core->port_fid_mappings);
err_alloc_port_fid_mappings:
rhashtable_destroy(&fid_core->vni_ht);
-err_rhashtable_init:
+err_rhashtable_vni_init:
+ rhashtable_destroy(&fid_core->fid_ht);
+err_rhashtable_fid_init:
kfree(fid_core);
return err;
}
@@ -1172,5 +1305,6 @@ void mlxsw_sp_fids_fini(struct mlxsw_sp *mlxsw_sp)
fid_core->fid_family_arr[i]);
kfree(fid_core->port_fid_mappings);
rhashtable_destroy(&fid_core->vni_ht);
+ rhashtable_destroy(&fid_core->fid_ht);
kfree(fid_core);
}