diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c | 178 |
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); } |