diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 47d8c1635897..f3ace20dca8b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -60,6 +60,7 @@ struct mlxsw_sp_rif { int mtu; u16 rif_index; u8 mac_profile_id; + u8 rif_entries; u16 vr_id; const struct mlxsw_sp_rif_ops *ops; struct mlxsw_sp *mlxsw_sp; @@ -7827,20 +7828,26 @@ mlxsw_sp_dev_rif_type(const struct mlxsw_sp *mlxsw_sp, return mlxsw_sp_fid_type_rif_type(mlxsw_sp, type); } -static int mlxsw_sp_rif_index_alloc(struct mlxsw_sp *mlxsw_sp, u16 *p_rif_index) +static int mlxsw_sp_rif_index_alloc(struct mlxsw_sp *mlxsw_sp, u16 *p_rif_index, + u8 rif_entries) { - *p_rif_index = gen_pool_alloc(mlxsw_sp->router->rifs_table, 1); + *p_rif_index = gen_pool_alloc(mlxsw_sp->router->rifs_table, + rif_entries); if (*p_rif_index == 0) return -ENOBUFS; *p_rif_index -= MLXSW_SP_ROUTER_GENALLOC_OFFSET; + /* RIF indexes must be aligned to the allocation size. */ + WARN_ON_ONCE(*p_rif_index % rif_entries); + return 0; } -static void mlxsw_sp_rif_index_free(struct mlxsw_sp *mlxsw_sp, u16 rif_index) +static void mlxsw_sp_rif_index_free(struct mlxsw_sp *mlxsw_sp, u16 rif_index, + u8 rif_entries) { gen_pool_free(mlxsw_sp->router->rifs_table, - MLXSW_SP_ROUTER_GENALLOC_OFFSET + rif_index, 1); + MLXSW_SP_ROUTER_GENALLOC_OFFSET + rif_index, rif_entries); } static struct mlxsw_sp_rif *mlxsw_sp_rif_alloc(size_t rif_size, u16 rif_index, @@ -8090,6 +8097,7 @@ mlxsw_sp_rif_create(struct mlxsw_sp *mlxsw_sp, enum mlxsw_sp_rif_type type; struct mlxsw_sp_rif *rif; struct mlxsw_sp_vr *vr; + u8 rif_entries = 1; u16 rif_index; int i, err; @@ -8101,7 +8109,7 @@ mlxsw_sp_rif_create(struct mlxsw_sp *mlxsw_sp, return ERR_CAST(vr); vr->rif_count++; - err = mlxsw_sp_rif_index_alloc(mlxsw_sp, &rif_index); + err = mlxsw_sp_rif_index_alloc(mlxsw_sp, &rif_index, rif_entries); if (err) { NL_SET_ERR_MSG_MOD(extack, "Exceeded number of supported router interfaces"); goto err_rif_index_alloc; @@ -8116,6 +8124,7 @@ mlxsw_sp_rif_create(struct mlxsw_sp *mlxsw_sp, mlxsw_sp->router->rifs[rif_index] = rif; rif->mlxsw_sp = mlxsw_sp; rif->ops = ops; + rif->rif_entries = rif_entries; if (ops->fid_get) { fid = ops->fid_get(rif, extack); @@ -8149,7 +8158,7 @@ mlxsw_sp_rif_create(struct mlxsw_sp *mlxsw_sp, mlxsw_sp_rif_counters_alloc(rif); } - atomic_inc(&mlxsw_sp->router->rifs_count); + atomic_add(rif_entries, &mlxsw_sp->router->rifs_count); return rif; err_stats_enable: @@ -8165,7 +8174,7 @@ err_fid_get: dev_put(rif->dev); kfree(rif); err_rif_alloc: - mlxsw_sp_rif_index_free(mlxsw_sp, rif_index); + mlxsw_sp_rif_index_free(mlxsw_sp, rif_index, rif_entries); err_rif_index_alloc: vr->rif_count--; mlxsw_sp_vr_put(mlxsw_sp, vr); @@ -8177,11 +8186,12 @@ static void mlxsw_sp_rif_destroy(struct mlxsw_sp_rif *rif) const struct mlxsw_sp_rif_ops *ops = rif->ops; struct mlxsw_sp *mlxsw_sp = rif->mlxsw_sp; struct mlxsw_sp_fid *fid = rif->fid; + u8 rif_entries = rif->rif_entries; u16 rif_index = rif->rif_index; struct mlxsw_sp_vr *vr; int i; - atomic_dec(&mlxsw_sp->router->rifs_count); + atomic_sub(rif_entries, &mlxsw_sp->router->rifs_count); mlxsw_sp_router_rif_gone_sync(mlxsw_sp, rif); vr = &mlxsw_sp->router->vrs[rif->vr_id]; @@ -8203,7 +8213,7 @@ static void mlxsw_sp_rif_destroy(struct mlxsw_sp_rif *rif) mlxsw_sp->router->rifs[rif->rif_index] = NULL; dev_put(rif->dev); kfree(rif); - mlxsw_sp_rif_index_free(mlxsw_sp, rif_index); + mlxsw_sp_rif_index_free(mlxsw_sp, rif_index, rif_entries); vr->rif_count--; mlxsw_sp_vr_put(mlxsw_sp, vr); } @@ -9777,10 +9787,11 @@ mlxsw_sp_ul_rif_create(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_vr *vr, struct netlink_ext_ack *extack) { struct mlxsw_sp_rif *ul_rif; + u8 rif_entries = 1; u16 rif_index; int err; - err = mlxsw_sp_rif_index_alloc(mlxsw_sp, &rif_index); + err = mlxsw_sp_rif_index_alloc(mlxsw_sp, &rif_index, rif_entries); if (err) { NL_SET_ERR_MSG_MOD(extack, "Exceeded number of supported router interfaces"); return ERR_PTR(err); @@ -9794,31 +9805,33 @@ mlxsw_sp_ul_rif_create(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_vr *vr, mlxsw_sp->router->rifs[rif_index] = ul_rif; ul_rif->mlxsw_sp = mlxsw_sp; + ul_rif->rif_entries = rif_entries; err = mlxsw_sp_rif_ipip_lb_ul_rif_op(ul_rif, true); if (err) goto ul_rif_op_err; - atomic_inc(&mlxsw_sp->router->rifs_count); + atomic_add(rif_entries, &mlxsw_sp->router->rifs_count); return ul_rif; ul_rif_op_err: mlxsw_sp->router->rifs[rif_index] = NULL; kfree(ul_rif); err_rif_alloc: - mlxsw_sp_rif_index_free(mlxsw_sp, rif_index); + mlxsw_sp_rif_index_free(mlxsw_sp, rif_index, rif_entries); return ERR_PTR(err); } static void mlxsw_sp_ul_rif_destroy(struct mlxsw_sp_rif *ul_rif) { struct mlxsw_sp *mlxsw_sp = ul_rif->mlxsw_sp; + u8 rif_entries = ul_rif->rif_entries; u16 rif_index = ul_rif->rif_index; - atomic_dec(&mlxsw_sp->router->rifs_count); + atomic_sub(rif_entries, &mlxsw_sp->router->rifs_count); mlxsw_sp_rif_ipip_lb_ul_rif_op(ul_rif, false); mlxsw_sp->router->rifs[ul_rif->rif_index] = NULL; kfree(ul_rif); - mlxsw_sp_rif_index_free(mlxsw_sp, rif_index); + mlxsw_sp_rif_index_free(mlxsw_sp, rif_index, rif_entries); } static struct mlxsw_sp_rif * |