diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_port.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_port.c | 126 |
1 files changed, 59 insertions, 67 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_port.c b/drivers/net/ethernet/netronome/nfp/nfp_port.c index e42644dbb865..54640bcb70fb 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_port.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_port.c @@ -1,38 +1,8 @@ -/* - * Copyright (C) 2017 Netronome Systems, Inc. - * - * This software is dual licensed under the GNU General License Version 2, - * June 1991 as shown in the file COPYING in the top-level directory of this - * source tree or the BSD 2-Clause License provided below. You have the - * option to license this software under the complete terms of either license. - * - * The BSD 2-Clause License: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * 1. Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * 2. Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* Copyright (C) 2017-2018 Netronome Systems, Inc. */ #include <linux/lockdep.h> -#include <net/switchdev.h> +#include <linux/netdevice.h> #include "nfpcore/nfp_cpp.h" #include "nfpcore/nfp_nsp.h" @@ -60,64 +30,49 @@ struct nfp_port *nfp_port_from_netdev(struct net_device *netdev) return NULL; } -static int -nfp_port_attr_get(struct net_device *netdev, struct switchdev_attr *attr) +int nfp_port_get_port_parent_id(struct net_device *netdev, + struct netdev_phys_item_id *ppid) { struct nfp_port *port; + const u8 *serial; port = nfp_port_from_netdev(netdev); if (!port) return -EOPNOTSUPP; - switch (attr->id) { - case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: { - const u8 *serial; - /* N.B: attr->u.ppid.id is binary data */ - attr->u.ppid.id_len = nfp_cpp_serial(port->app->cpp, &serial); - memcpy(&attr->u.ppid.id, serial, attr->u.ppid.id_len); - break; - } - default: - return -EOPNOTSUPP; - } + ppid->id_len = nfp_cpp_serial(port->app->cpp, &serial); + memcpy(&ppid->id, serial, ppid->id_len); return 0; } -const struct switchdev_ops nfp_port_switchdev_ops = { - .switchdev_port_attr_get = nfp_port_attr_get, -}; - -int nfp_port_setup_tc(struct net_device *netdev, u32 handle, u32 chain_index, - __be16 proto, struct tc_to_netdev *tc) +int nfp_port_setup_tc(struct net_device *netdev, enum tc_setup_type type, + void *type_data) { struct nfp_port *port; - if (chain_index) - return -EOPNOTSUPP; - port = nfp_port_from_netdev(netdev); if (!port) return -EOPNOTSUPP; - return nfp_app_setup_tc(port->app, netdev, handle, proto, tc); + return nfp_app_setup_tc(port->app, netdev, type, type_data); } -struct nfp_port * -nfp_port_from_id(struct nfp_pf *pf, enum nfp_port_type type, unsigned int id) +int nfp_port_set_features(struct net_device *netdev, netdev_features_t features) { struct nfp_port *port; - lockdep_assert_held(&pf->lock); - - if (type != NFP_PORT_PHYS_PORT) - return NULL; + port = nfp_port_from_netdev(netdev); + if (!port) + return 0; - list_for_each_entry(port, &pf->ports, port_list) - if (port->eth_id == id) - return port; + if ((netdev->features & NETIF_F_HW_TC) > (features & NETIF_F_HW_TC) && + port->tc_offload_cnt) { + netdev_err(netdev, "Cannot disable HW TC offload while offloads active\n"); + return -EBUSY; + } - return NULL; + return 0; } struct nfp_eth_table_port *__nfp_port_get_eth_port(struct nfp_port *port) @@ -166,7 +121,11 @@ nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len) eth_port->label_subport); break; case NFP_PORT_PF_PORT: - n = snprintf(name, len, "pf%d", port->pf_id); + if (!port->pf_split) + n = snprintf(name, len, "pf%d", port->pf_id); + else + n = snprintf(name, len, "pf%ds%d", port->pf_id, + port->pf_split_id); break; case NFP_PORT_VF_PORT: n = snprintf(name, len, "pf%dvf%d", port->pf_id, port->vf_id); @@ -181,6 +140,35 @@ nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len) return 0; } +/** + * nfp_port_configure() - helper to set the interface configured bit + * @netdev: net_device instance + * @configed: Desired state + * + * Helper to set the ifup/ifdown state on the PHY only if there is a physical + * interface associated with the netdev. + * + * Return: + * 0 - configuration successful (or no change); + * -ERRNO - configuration failed. + */ +int nfp_port_configure(struct net_device *netdev, bool configed) +{ + struct nfp_eth_table_port *eth_port; + struct nfp_port *port; + int err; + + port = nfp_port_from_netdev(netdev); + eth_port = __nfp_port_get_eth_port(port); + if (!eth_port) + return 0; + if (port->eth_forced) + return 0; + + err = nfp_eth_set_configured(port->app->cpp, eth_port->index, configed); + return err < 0 && err != -EOPNOTSUPP ? err : 0; +} + int nfp_port_init_phy_port(struct nfp_pf *pf, struct nfp_app *app, struct nfp_port *port, unsigned int id) { @@ -201,6 +189,10 @@ int nfp_port_init_phy_port(struct nfp_pf *pf, struct nfp_app *app, port->eth_port = &pf->eth_tbl->ports[id]; port->eth_id = pf->eth_tbl->ports[id].index; + port->netdev->dev_port = id; + if (pf->mac_stats_mem) + port->eth_stats = + pf->mac_stats_mem + port->eth_id * NFP_MAC_STATS_SIZE; return 0; } |