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received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: Y9YKlVVmJDE/+pBEG64tqSenSZvnWwCskeNdZu3zB3Zwo17a4cum9f6z76UwXMQk8ICSaeqPllKfa2KR8gYgPsxdcA+J3LpzxxEkk8Pl/pfjsZzJnxZsBvhxWqGCk4rFbWRnuFHEJij3yB54n9mqamDSHOENnKa39rnvlvzGC4qV13Cm9vPbH5kTc95h65lrq5jhtKwyqDt88ZBJgpHKlwPen4iTH3RKBoSKyE3s6jyI7ZQXdM3ihb4s5tIRpQHxhbA9OBIeROf4u6eO9X9MOVN1s30tKwU9UJ7u6LQwp1Kco4yqW/0MpugHr32ExsyVp99nXw88ayc/rvEHtRPWEgoBoy/igiMx2i//246b/88VU3JTQYSlf9e6SjRDkDr2ZIY8WvlBwxixqonLs+ctFSsmpmZ0ZUw6wyuGdfGezDVC+ddKX9ydw2LxG4WN9cCh Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: f01a18c7-df75-462b-8141-08d75bff7c22 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Oct 2019 23:35:15.5237 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 6/toJ+6jruKmy9xMvpTTa6nRg7wdMroI/2QR/Kr+GbGD+s5X1eD1/HtAJS1qSEqlKzfYCxN6YqTAF+3yKwY1Rw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR05MB6448 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Parav Pandit In subsequent patch, esw_enable_vport() could fail and return error. Prepare code to handle such error. Signed-off-by: Parav Pandit Reviewed-by: Vu Pham Signed-off-by: Saeed Mahameed --- .../net/ethernet/mellanox/mlx5/core/eswitch.c | 62 ++++++++++++++----- .../net/ethernet/mellanox/mlx5/core/eswitch.h | 2 +- .../mellanox/mlx5/core/eswitch_offloads.c | 5 +- 3 files changed, 50 insertions(+), 19 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/ne= t/ethernet/mellanox/mlx5/core/eswitch.c index f15ffb8f5cac..0bdaef508e74 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -452,6 +452,13 @@ static int esw_create_legacy_table(struct mlx5_eswitch= *esw) return err; } =20 +static void esw_destroy_legacy_table(struct mlx5_eswitch *esw) +{ + esw_cleanup_vepa_rules(esw); + esw_destroy_legacy_fdb_table(esw); + esw_destroy_legacy_vepa_table(esw); +} + #define MLX5_LEGACY_SRIOV_VPORT_EVENTS (MLX5_VPORT_UC_ADDR_CHANGE | \ MLX5_VPORT_MC_ADDR_CHANGE | \ MLX5_VPORT_PROMISC_CHANGE) @@ -464,15 +471,10 @@ static int esw_legacy_enable(struct mlx5_eswitch *esw= ) if (ret) return ret; =20 - mlx5_eswitch_enable_pf_vf_vports(esw, MLX5_LEGACY_SRIOV_VPORT_EVENTS); - return 0; -} - -static void esw_destroy_legacy_table(struct mlx5_eswitch *esw) -{ - esw_cleanup_vepa_rules(esw); - esw_destroy_legacy_fdb_table(esw); - esw_destroy_legacy_vepa_table(esw); + ret =3D mlx5_eswitch_enable_pf_vf_vports(esw, MLX5_LEGACY_SRIOV_VPORT_EVE= NTS); + if (ret) + esw_destroy_legacy_table(esw); + return ret; } =20 static void esw_legacy_disable(struct mlx5_eswitch *esw) @@ -1704,8 +1706,8 @@ static void esw_legacy_vport_destroy_drop_counters(st= ruct mlx5_vport *vport) mlx5_fc_destroy(dev, vport->egress.legacy.drop_counter); } =20 -static void esw_enable_vport(struct mlx5_eswitch *esw, struct mlx5_vport *= vport, - enum mlx5_eswitch_vport_event enabled_events) +static int esw_enable_vport(struct mlx5_eswitch *esw, struct mlx5_vport *v= port, + enum mlx5_eswitch_vport_event enabled_events) { u16 vport_num =3D vport->vport; =20 @@ -1743,6 +1745,7 @@ static void esw_enable_vport(struct mlx5_eswitch *esw= , struct mlx5_vport *vport, esw->enabled_vports++; esw_debug(esw->dev, "Enabled VPORT(%d)\n", vport_num); mutex_unlock(&esw->state_lock); + return 0; } =20 static void esw_disable_vport(struct mlx5_eswitch *esw, @@ -1856,26 +1859,51 @@ static void mlx5_eswitch_event_handlers_unregister(= struct mlx5_eswitch *esw) /* mlx5_eswitch_enable_pf_vf_vports() enables vports of PF, ECPF and VFs * whichever are present on the eswitch. */ -void +int mlx5_eswitch_enable_pf_vf_vports(struct mlx5_eswitch *esw, enum mlx5_eswitch_vport_event enabled_events) { struct mlx5_vport *vport; + int num_vfs; + int ret; int i; =20 /* Enable PF vport */ vport =3D mlx5_eswitch_get_vport(esw, MLX5_VPORT_PF); - esw_enable_vport(esw, vport, enabled_events); + ret =3D esw_enable_vport(esw, vport, enabled_events); + if (ret) + return ret; =20 - /* Enable ECPF vports */ + /* Enable ECPF vport */ if (mlx5_ecpf_vport_exists(esw->dev)) { vport =3D mlx5_eswitch_get_vport(esw, MLX5_VPORT_ECPF); - esw_enable_vport(esw, vport, enabled_events); + ret =3D esw_enable_vport(esw, vport, enabled_events); + if (ret) + goto ecpf_err; } =20 /* Enable VF vports */ - mlx5_esw_for_each_vf_vport(esw, i, vport, esw->esw_funcs.num_vfs) - esw_enable_vport(esw, vport, enabled_events); + mlx5_esw_for_each_vf_vport(esw, i, vport, esw->esw_funcs.num_vfs) { + ret =3D esw_enable_vport(esw, vport, enabled_events); + if (ret) + goto vf_err; + } + return 0; + +vf_err: + num_vfs =3D i - 1; + mlx5_esw_for_each_vf_vport_reverse(esw, i, vport, num_vfs) + esw_disable_vport(esw, vport); + + if (mlx5_ecpf_vport_exists(esw->dev)) { + vport =3D mlx5_eswitch_get_vport(esw, MLX5_VPORT_ECPF); + esw_disable_vport(esw, vport); + } + +ecpf_err: + vport =3D mlx5_eswitch_get_vport(esw, MLX5_VPORT_PF); + esw_disable_vport(esw, vport); + return ret; } =20 /* mlx5_eswitch_disable_pf_vf_vports() disables vports of PF, ECPF and VFs diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/ne= t/ethernet/mellanox/mlx5/core/eswitch.h index ec0ef7c5d539..36edee35f155 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -609,7 +609,7 @@ bool mlx5_eswitch_is_vf_vport(const struct mlx5_eswitch= *esw, u16 vport_num); void mlx5_eswitch_update_num_of_vfs(struct mlx5_eswitch *esw, const int nu= m_vfs); int mlx5_esw_funcs_changed_handler(struct notifier_block *nb, unsigned lon= g type, void *data); =20 -void +int mlx5_eswitch_enable_pf_vf_vports(struct mlx5_eswitch *esw, enum mlx5_eswitch_vport_event enabled_events); void mlx5_eswitch_disable_pf_vf_vports(struct mlx5_eswitch *esw); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/d= rivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 874e70e3792a..98df1eeee873 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -2139,7 +2139,9 @@ int esw_offloads_enable(struct mlx5_eswitch *esw) if (err) goto err_vport_metadata; =20 - mlx5_eswitch_enable_pf_vf_vports(esw, MLX5_VPORT_UC_ADDR_CHANGE); + err =3D mlx5_eswitch_enable_pf_vf_vports(esw, MLX5_VPORT_UC_ADDR_CHANGE); + if (err) + goto err_vports; =20 err =3D esw_offloads_load_all_reps(esw); if (err) @@ -2152,6 +2154,7 @@ int esw_offloads_enable(struct mlx5_eswitch *esw) =20 err_reps: mlx5_eswitch_disable_pf_vf_vports(esw); +err_vports: esw_set_passing_vport_metadata(esw, false); err_vport_metadata: esw_offloads_steering_cleanup(esw); --=20 2.21.0