747 lines
18 KiB
C
747 lines
18 KiB
C
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/*
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* Copyright (C) 2017 Netronome Systems, Inc.
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*
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* This software is dual licensed under the GNU General License Version 2,
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* June 1991 as shown in the file COPYING in the top-level directory of this
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* source tree or the BSD 2-Clause License provided below. You have the
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* option to license this software under the complete terms of either license.
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*
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* The BSD 2-Clause License:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <linux/etherdevice.h>
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#include <linux/lockdep.h>
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#include <linux/pci.h>
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#include <linux/skbuff.h>
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#include <linux/vmalloc.h>
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#include <net/devlink.h>
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#include <net/dst_metadata.h>
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#include "main.h"
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#include "../nfpcore/nfp_cpp.h"
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#include "../nfpcore/nfp_nffw.h"
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#include "../nfpcore/nfp_nsp.h"
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#include "../nfp_app.h"
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#include "../nfp_main.h"
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#include "../nfp_net.h"
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#include "../nfp_net_repr.h"
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#include "../nfp_port.h"
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#include "./cmsg.h"
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#define NFP_FLOWER_ALLOWED_VER 0x0001000000010000UL
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static const char *nfp_flower_extra_cap(struct nfp_app *app, struct nfp_net *nn)
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{
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return "FLOWER";
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}
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static enum devlink_eswitch_mode eswitch_mode_get(struct nfp_app *app)
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{
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return DEVLINK_ESWITCH_MODE_SWITCHDEV;
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}
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static enum nfp_repr_type
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nfp_flower_repr_get_type_and_port(struct nfp_app *app, u32 port_id, u8 *port)
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{
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switch (FIELD_GET(NFP_FLOWER_CMSG_PORT_TYPE, port_id)) {
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case NFP_FLOWER_CMSG_PORT_TYPE_PHYS_PORT:
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*port = FIELD_GET(NFP_FLOWER_CMSG_PORT_PHYS_PORT_NUM,
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port_id);
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return NFP_REPR_TYPE_PHYS_PORT;
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case NFP_FLOWER_CMSG_PORT_TYPE_PCIE_PORT:
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*port = FIELD_GET(NFP_FLOWER_CMSG_PORT_VNIC, port_id);
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if (FIELD_GET(NFP_FLOWER_CMSG_PORT_VNIC_TYPE, port_id) ==
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NFP_FLOWER_CMSG_PORT_VNIC_TYPE_PF)
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return NFP_REPR_TYPE_PF;
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else
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return NFP_REPR_TYPE_VF;
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}
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return __NFP_REPR_TYPE_MAX;
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}
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static struct net_device *
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nfp_flower_repr_get(struct nfp_app *app, u32 port_id)
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{
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enum nfp_repr_type repr_type;
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struct nfp_reprs *reprs;
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u8 port = 0;
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repr_type = nfp_flower_repr_get_type_and_port(app, port_id, &port);
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if (repr_type > NFP_REPR_TYPE_MAX)
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return NULL;
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reprs = rcu_dereference(app->reprs[repr_type]);
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if (!reprs)
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return NULL;
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if (port >= reprs->num_reprs)
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return NULL;
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return rcu_dereference(reprs->reprs[port]);
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}
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static int
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nfp_flower_reprs_reify(struct nfp_app *app, enum nfp_repr_type type,
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bool exists)
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{
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struct nfp_reprs *reprs;
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int i, err, count = 0;
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reprs = rcu_dereference_protected(app->reprs[type],
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lockdep_is_held(&app->pf->lock));
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if (!reprs)
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return 0;
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for (i = 0; i < reprs->num_reprs; i++) {
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struct net_device *netdev;
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netdev = nfp_repr_get_locked(app, reprs, i);
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if (netdev) {
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struct nfp_repr *repr = netdev_priv(netdev);
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err = nfp_flower_cmsg_portreify(repr, exists);
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if (err)
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return err;
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count++;
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}
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}
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return count;
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}
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static int
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nfp_flower_wait_repr_reify(struct nfp_app *app, atomic_t *replies, int tot_repl)
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{
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struct nfp_flower_priv *priv = app->priv;
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int err;
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if (!tot_repl)
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return 0;
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lockdep_assert_held(&app->pf->lock);
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err = wait_event_interruptible_timeout(priv->reify_wait_queue,
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atomic_read(replies) >= tot_repl,
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msecs_to_jiffies(10));
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if (err <= 0) {
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nfp_warn(app->cpp, "Not all reprs responded to reify\n");
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return -EIO;
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}
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return 0;
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}
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static int
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nfp_flower_repr_netdev_open(struct nfp_app *app, struct nfp_repr *repr)
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{
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int err;
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err = nfp_flower_cmsg_portmod(repr, true, repr->netdev->mtu, false);
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if (err)
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return err;
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netif_tx_wake_all_queues(repr->netdev);
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return 0;
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}
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static int
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nfp_flower_repr_netdev_stop(struct nfp_app *app, struct nfp_repr *repr)
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{
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netif_tx_disable(repr->netdev);
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return nfp_flower_cmsg_portmod(repr, false, repr->netdev->mtu, false);
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}
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static int
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nfp_flower_repr_netdev_init(struct nfp_app *app, struct net_device *netdev)
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{
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return tc_setup_cb_egdev_register(netdev,
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nfp_flower_setup_tc_egress_cb,
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netdev_priv(netdev));
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}
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static void
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nfp_flower_repr_netdev_clean(struct nfp_app *app, struct net_device *netdev)
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{
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struct nfp_repr *repr = netdev_priv(netdev);
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kfree(repr->app_priv);
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tc_setup_cb_egdev_unregister(netdev, nfp_flower_setup_tc_egress_cb,
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netdev_priv(netdev));
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}
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static void
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nfp_flower_repr_netdev_preclean(struct nfp_app *app, struct net_device *netdev)
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{
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struct nfp_repr *repr = netdev_priv(netdev);
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struct nfp_flower_priv *priv = app->priv;
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atomic_t *replies = &priv->reify_replies;
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int err;
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atomic_set(replies, 0);
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err = nfp_flower_cmsg_portreify(repr, false);
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if (err) {
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nfp_warn(app->cpp, "Failed to notify firmware about repr destruction\n");
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return;
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}
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nfp_flower_wait_repr_reify(app, replies, 1);
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}
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static void nfp_flower_sriov_disable(struct nfp_app *app)
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{
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struct nfp_flower_priv *priv = app->priv;
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if (!priv->nn)
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return;
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nfp_reprs_clean_and_free_by_type(app, NFP_REPR_TYPE_VF);
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}
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static int
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nfp_flower_spawn_vnic_reprs(struct nfp_app *app,
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enum nfp_flower_cmsg_port_vnic_type vnic_type,
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enum nfp_repr_type repr_type, unsigned int cnt)
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{
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u8 nfp_pcie = nfp_cppcore_pcie_unit(app->pf->cpp);
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struct nfp_flower_priv *priv = app->priv;
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atomic_t *replies = &priv->reify_replies;
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struct nfp_flower_repr_priv *repr_priv;
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enum nfp_port_type port_type;
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struct nfp_repr *nfp_repr;
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struct nfp_reprs *reprs;
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int i, err, reify_cnt;
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const u8 queue = 0;
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port_type = repr_type == NFP_REPR_TYPE_PF ? NFP_PORT_PF_PORT :
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NFP_PORT_VF_PORT;
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reprs = nfp_reprs_alloc(cnt);
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if (!reprs)
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return -ENOMEM;
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for (i = 0; i < cnt; i++) {
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struct net_device *repr;
|
||
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struct nfp_port *port;
|
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u32 port_id;
|
||
|
|
||
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repr = nfp_repr_alloc(app);
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|
if (!repr) {
|
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err = -ENOMEM;
|
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goto err_reprs_clean;
|
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|
}
|
||
|
|
||
|
repr_priv = kzalloc(sizeof(*repr_priv), GFP_KERNEL);
|
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|
if (!repr_priv) {
|
||
|
err = -ENOMEM;
|
||
|
nfp_repr_free(repr);
|
||
|
goto err_reprs_clean;
|
||
|
}
|
||
|
|
||
|
nfp_repr = netdev_priv(repr);
|
||
|
nfp_repr->app_priv = repr_priv;
|
||
|
|
||
|
/* For now we only support 1 PF */
|
||
|
WARN_ON(repr_type == NFP_REPR_TYPE_PF && i);
|
||
|
|
||
|
port = nfp_port_alloc(app, port_type, repr);
|
||
|
if (IS_ERR(port)) {
|
||
|
err = PTR_ERR(port);
|
||
|
kfree(repr_priv);
|
||
|
nfp_repr_free(repr);
|
||
|
goto err_reprs_clean;
|
||
|
}
|
||
|
if (repr_type == NFP_REPR_TYPE_PF) {
|
||
|
port->pf_id = i;
|
||
|
port->vnic = priv->nn->dp.ctrl_bar;
|
||
|
} else {
|
||
|
port->pf_id = 0;
|
||
|
port->vf_id = i;
|
||
|
port->vnic =
|
||
|
app->pf->vf_cfg_mem + i * NFP_NET_CFG_BAR_SZ;
|
||
|
}
|
||
|
|
||
|
eth_hw_addr_random(repr);
|
||
|
|
||
|
port_id = nfp_flower_cmsg_pcie_port(nfp_pcie, vnic_type,
|
||
|
i, queue);
|
||
|
err = nfp_repr_init(app, repr,
|
||
|
port_id, port, priv->nn->dp.netdev);
|
||
|
if (err) {
|
||
|
kfree(repr_priv);
|
||
|
nfp_port_free(port);
|
||
|
nfp_repr_free(repr);
|
||
|
goto err_reprs_clean;
|
||
|
}
|
||
|
|
||
|
RCU_INIT_POINTER(reprs->reprs[i], repr);
|
||
|
nfp_info(app->cpp, "%s%d Representor(%s) created\n",
|
||
|
repr_type == NFP_REPR_TYPE_PF ? "PF" : "VF", i,
|
||
|
repr->name);
|
||
|
}
|
||
|
|
||
|
nfp_app_reprs_set(app, repr_type, reprs);
|
||
|
|
||
|
atomic_set(replies, 0);
|
||
|
reify_cnt = nfp_flower_reprs_reify(app, repr_type, true);
|
||
|
if (reify_cnt < 0) {
|
||
|
err = reify_cnt;
|
||
|
nfp_warn(app->cpp, "Failed to notify firmware about repr creation\n");
|
||
|
goto err_reprs_remove;
|
||
|
}
|
||
|
|
||
|
err = nfp_flower_wait_repr_reify(app, replies, reify_cnt);
|
||
|
if (err)
|
||
|
goto err_reprs_remove;
|
||
|
|
||
|
return 0;
|
||
|
err_reprs_remove:
|
||
|
reprs = nfp_app_reprs_set(app, repr_type, NULL);
|
||
|
err_reprs_clean:
|
||
|
nfp_reprs_clean_and_free(app, reprs);
|
||
|
return err;
|
||
|
}
|
||
|
|
||
|
static int nfp_flower_sriov_enable(struct nfp_app *app, int num_vfs)
|
||
|
{
|
||
|
struct nfp_flower_priv *priv = app->priv;
|
||
|
|
||
|
if (!priv->nn)
|
||
|
return 0;
|
||
|
|
||
|
return nfp_flower_spawn_vnic_reprs(app,
|
||
|
NFP_FLOWER_CMSG_PORT_VNIC_TYPE_VF,
|
||
|
NFP_REPR_TYPE_VF, num_vfs);
|
||
|
}
|
||
|
|
||
|
static int
|
||
|
nfp_flower_spawn_phy_reprs(struct nfp_app *app, struct nfp_flower_priv *priv)
|
||
|
{
|
||
|
struct nfp_eth_table *eth_tbl = app->pf->eth_tbl;
|
||
|
atomic_t *replies = &priv->reify_replies;
|
||
|
struct nfp_flower_repr_priv *repr_priv;
|
||
|
struct nfp_repr *nfp_repr;
|
||
|
struct sk_buff *ctrl_skb;
|
||
|
struct nfp_reprs *reprs;
|
||
|
int err, reify_cnt;
|
||
|
unsigned int i;
|
||
|
|
||
|
ctrl_skb = nfp_flower_cmsg_mac_repr_start(app, eth_tbl->count);
|
||
|
if (!ctrl_skb)
|
||
|
return -ENOMEM;
|
||
|
|
||
|
reprs = nfp_reprs_alloc(eth_tbl->max_index + 1);
|
||
|
if (!reprs) {
|
||
|
err = -ENOMEM;
|
||
|
goto err_free_ctrl_skb;
|
||
|
}
|
||
|
|
||
|
for (i = 0; i < eth_tbl->count; i++) {
|
||
|
unsigned int phys_port = eth_tbl->ports[i].index;
|
||
|
struct net_device *repr;
|
||
|
struct nfp_port *port;
|
||
|
u32 cmsg_port_id;
|
||
|
|
||
|
repr = nfp_repr_alloc(app);
|
||
|
if (!repr) {
|
||
|
err = -ENOMEM;
|
||
|
goto err_reprs_clean;
|
||
|
}
|
||
|
|
||
|
repr_priv = kzalloc(sizeof(*repr_priv), GFP_KERNEL);
|
||
|
if (!repr_priv) {
|
||
|
err = -ENOMEM;
|
||
|
nfp_repr_free(repr);
|
||
|
goto err_reprs_clean;
|
||
|
}
|
||
|
|
||
|
nfp_repr = netdev_priv(repr);
|
||
|
nfp_repr->app_priv = repr_priv;
|
||
|
|
||
|
port = nfp_port_alloc(app, NFP_PORT_PHYS_PORT, repr);
|
||
|
if (IS_ERR(port)) {
|
||
|
err = PTR_ERR(port);
|
||
|
kfree(repr_priv);
|
||
|
nfp_repr_free(repr);
|
||
|
goto err_reprs_clean;
|
||
|
}
|
||
|
err = nfp_port_init_phy_port(app->pf, app, port, i);
|
||
|
if (err) {
|
||
|
kfree(repr_priv);
|
||
|
nfp_port_free(port);
|
||
|
nfp_repr_free(repr);
|
||
|
goto err_reprs_clean;
|
||
|
}
|
||
|
|
||
|
SET_NETDEV_DEV(repr, &priv->nn->pdev->dev);
|
||
|
nfp_net_get_mac_addr(app->pf, repr, port);
|
||
|
|
||
|
cmsg_port_id = nfp_flower_cmsg_phys_port(phys_port);
|
||
|
err = nfp_repr_init(app, repr,
|
||
|
cmsg_port_id, port, priv->nn->dp.netdev);
|
||
|
if (err) {
|
||
|
kfree(repr_priv);
|
||
|
nfp_port_free(port);
|
||
|
nfp_repr_free(repr);
|
||
|
goto err_reprs_clean;
|
||
|
}
|
||
|
|
||
|
nfp_flower_cmsg_mac_repr_add(ctrl_skb, i,
|
||
|
eth_tbl->ports[i].nbi,
|
||
|
eth_tbl->ports[i].base,
|
||
|
phys_port);
|
||
|
|
||
|
RCU_INIT_POINTER(reprs->reprs[phys_port], repr);
|
||
|
nfp_info(app->cpp, "Phys Port %d Representor(%s) created\n",
|
||
|
phys_port, repr->name);
|
||
|
}
|
||
|
|
||
|
nfp_app_reprs_set(app, NFP_REPR_TYPE_PHYS_PORT, reprs);
|
||
|
|
||
|
/* The REIFY/MAC_REPR control messages should be sent after the MAC
|
||
|
* representors are registered using nfp_app_reprs_set(). This is
|
||
|
* because the firmware may respond with control messages for the
|
||
|
* MAC representors, f.e. to provide the driver with information
|
||
|
* about their state, and without registration the driver will drop
|
||
|
* any such messages.
|
||
|
*/
|
||
|
atomic_set(replies, 0);
|
||
|
reify_cnt = nfp_flower_reprs_reify(app, NFP_REPR_TYPE_PHYS_PORT, true);
|
||
|
if (reify_cnt < 0) {
|
||
|
err = reify_cnt;
|
||
|
nfp_warn(app->cpp, "Failed to notify firmware about repr creation\n");
|
||
|
goto err_reprs_remove;
|
||
|
}
|
||
|
|
||
|
err = nfp_flower_wait_repr_reify(app, replies, reify_cnt);
|
||
|
if (err)
|
||
|
goto err_reprs_remove;
|
||
|
|
||
|
nfp_ctrl_tx(app->ctrl, ctrl_skb);
|
||
|
|
||
|
return 0;
|
||
|
err_reprs_remove:
|
||
|
reprs = nfp_app_reprs_set(app, NFP_REPR_TYPE_PHYS_PORT, NULL);
|
||
|
err_reprs_clean:
|
||
|
nfp_reprs_clean_and_free(app, reprs);
|
||
|
err_free_ctrl_skb:
|
||
|
kfree_skb(ctrl_skb);
|
||
|
return err;
|
||
|
}
|
||
|
|
||
|
static int nfp_flower_vnic_alloc(struct nfp_app *app, struct nfp_net *nn,
|
||
|
unsigned int id)
|
||
|
{
|
||
|
if (id > 0) {
|
||
|
nfp_warn(app->cpp, "FlowerNIC doesn't support more than one data vNIC\n");
|
||
|
goto err_invalid_port;
|
||
|
}
|
||
|
|
||
|
eth_hw_addr_random(nn->dp.netdev);
|
||
|
netif_keep_dst(nn->dp.netdev);
|
||
|
nn->vnic_no_name = true;
|
||
|
|
||
|
return 0;
|
||
|
|
||
|
err_invalid_port:
|
||
|
nn->port = nfp_port_alloc(app, NFP_PORT_INVALID, nn->dp.netdev);
|
||
|
return PTR_ERR_OR_ZERO(nn->port);
|
||
|
}
|
||
|
|
||
|
static void nfp_flower_vnic_clean(struct nfp_app *app, struct nfp_net *nn)
|
||
|
{
|
||
|
struct nfp_flower_priv *priv = app->priv;
|
||
|
|
||
|
if (app->pf->num_vfs)
|
||
|
nfp_reprs_clean_and_free_by_type(app, NFP_REPR_TYPE_VF);
|
||
|
nfp_reprs_clean_and_free_by_type(app, NFP_REPR_TYPE_PF);
|
||
|
nfp_reprs_clean_and_free_by_type(app, NFP_REPR_TYPE_PHYS_PORT);
|
||
|
|
||
|
priv->nn = NULL;
|
||
|
}
|
||
|
|
||
|
static int nfp_flower_vnic_init(struct nfp_app *app, struct nfp_net *nn)
|
||
|
{
|
||
|
struct nfp_flower_priv *priv = app->priv;
|
||
|
int err;
|
||
|
|
||
|
priv->nn = nn;
|
||
|
|
||
|
err = nfp_flower_spawn_phy_reprs(app, app->priv);
|
||
|
if (err)
|
||
|
goto err_clear_nn;
|
||
|
|
||
|
err = nfp_flower_spawn_vnic_reprs(app,
|
||
|
NFP_FLOWER_CMSG_PORT_VNIC_TYPE_PF,
|
||
|
NFP_REPR_TYPE_PF, 1);
|
||
|
if (err)
|
||
|
goto err_destroy_reprs_phy;
|
||
|
|
||
|
if (app->pf->num_vfs) {
|
||
|
err = nfp_flower_spawn_vnic_reprs(app,
|
||
|
NFP_FLOWER_CMSG_PORT_VNIC_TYPE_VF,
|
||
|
NFP_REPR_TYPE_VF,
|
||
|
app->pf->num_vfs);
|
||
|
if (err)
|
||
|
goto err_destroy_reprs_pf;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
|
||
|
err_destroy_reprs_pf:
|
||
|
nfp_reprs_clean_and_free_by_type(app, NFP_REPR_TYPE_PF);
|
||
|
err_destroy_reprs_phy:
|
||
|
nfp_reprs_clean_and_free_by_type(app, NFP_REPR_TYPE_PHYS_PORT);
|
||
|
err_clear_nn:
|
||
|
priv->nn = NULL;
|
||
|
return err;
|
||
|
}
|
||
|
|
||
|
static int nfp_flower_init(struct nfp_app *app)
|
||
|
{
|
||
|
const struct nfp_pf *pf = app->pf;
|
||
|
struct nfp_flower_priv *app_priv;
|
||
|
u64 version, features;
|
||
|
int err;
|
||
|
|
||
|
if (!pf->eth_tbl) {
|
||
|
nfp_warn(app->cpp, "FlowerNIC requires eth table\n");
|
||
|
return -EINVAL;
|
||
|
}
|
||
|
|
||
|
if (!pf->mac_stats_bar) {
|
||
|
nfp_warn(app->cpp, "FlowerNIC requires mac_stats BAR\n");
|
||
|
return -EINVAL;
|
||
|
}
|
||
|
|
||
|
if (!pf->vf_cfg_bar) {
|
||
|
nfp_warn(app->cpp, "FlowerNIC requires vf_cfg BAR\n");
|
||
|
return -EINVAL;
|
||
|
}
|
||
|
|
||
|
version = nfp_rtsym_read_le(app->pf->rtbl, "hw_flower_version", &err);
|
||
|
if (err) {
|
||
|
nfp_warn(app->cpp, "FlowerNIC requires hw_flower_version memory symbol\n");
|
||
|
return err;
|
||
|
}
|
||
|
|
||
|
/* We need to ensure hardware has enough flower capabilities. */
|
||
|
if (version != NFP_FLOWER_ALLOWED_VER) {
|
||
|
nfp_warn(app->cpp, "FlowerNIC: unsupported firmware version\n");
|
||
|
return -EINVAL;
|
||
|
}
|
||
|
|
||
|
app_priv = vzalloc(sizeof(struct nfp_flower_priv));
|
||
|
if (!app_priv)
|
||
|
return -ENOMEM;
|
||
|
|
||
|
app->priv = app_priv;
|
||
|
app_priv->app = app;
|
||
|
skb_queue_head_init(&app_priv->cmsg_skbs_high);
|
||
|
skb_queue_head_init(&app_priv->cmsg_skbs_low);
|
||
|
INIT_WORK(&app_priv->cmsg_work, nfp_flower_cmsg_process_rx);
|
||
|
init_waitqueue_head(&app_priv->reify_wait_queue);
|
||
|
|
||
|
init_waitqueue_head(&app_priv->mtu_conf.wait_q);
|
||
|
spin_lock_init(&app_priv->mtu_conf.lock);
|
||
|
|
||
|
err = nfp_flower_metadata_init(app);
|
||
|
if (err)
|
||
|
goto err_free_app_priv;
|
||
|
|
||
|
/* Extract the extra features supported by the firmware. */
|
||
|
features = nfp_rtsym_read_le(app->pf->rtbl,
|
||
|
"_abi_flower_extra_features", &err);
|
||
|
if (err)
|
||
|
app_priv->flower_ext_feats = 0;
|
||
|
else
|
||
|
app_priv->flower_ext_feats = features;
|
||
|
|
||
|
/* Tell the firmware that the driver supports lag. */
|
||
|
err = nfp_rtsym_write_le(app->pf->rtbl,
|
||
|
"_abi_flower_balance_sync_enable", 1);
|
||
|
if (!err) {
|
||
|
app_priv->flower_ext_feats |= NFP_FL_FEATS_LAG;
|
||
|
nfp_flower_lag_init(&app_priv->nfp_lag);
|
||
|
} else if (err == -ENOENT) {
|
||
|
nfp_warn(app->cpp, "LAG not supported by FW.\n");
|
||
|
} else {
|
||
|
goto err_cleanup_metadata;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
|
||
|
err_cleanup_metadata:
|
||
|
nfp_flower_metadata_cleanup(app);
|
||
|
err_free_app_priv:
|
||
|
vfree(app->priv);
|
||
|
return err;
|
||
|
}
|
||
|
|
||
|
static void nfp_flower_clean(struct nfp_app *app)
|
||
|
{
|
||
|
struct nfp_flower_priv *app_priv = app->priv;
|
||
|
|
||
|
skb_queue_purge(&app_priv->cmsg_skbs_high);
|
||
|
skb_queue_purge(&app_priv->cmsg_skbs_low);
|
||
|
flush_work(&app_priv->cmsg_work);
|
||
|
|
||
|
if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG)
|
||
|
nfp_flower_lag_cleanup(&app_priv->nfp_lag);
|
||
|
|
||
|
nfp_flower_metadata_cleanup(app);
|
||
|
vfree(app->priv);
|
||
|
app->priv = NULL;
|
||
|
}
|
||
|
|
||
|
static bool nfp_flower_check_ack(struct nfp_flower_priv *app_priv)
|
||
|
{
|
||
|
bool ret;
|
||
|
|
||
|
spin_lock_bh(&app_priv->mtu_conf.lock);
|
||
|
ret = app_priv->mtu_conf.ack;
|
||
|
spin_unlock_bh(&app_priv->mtu_conf.lock);
|
||
|
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
static int
|
||
|
nfp_flower_repr_change_mtu(struct nfp_app *app, struct net_device *netdev,
|
||
|
int new_mtu)
|
||
|
{
|
||
|
struct nfp_flower_priv *app_priv = app->priv;
|
||
|
struct nfp_repr *repr = netdev_priv(netdev);
|
||
|
int err, ack;
|
||
|
|
||
|
/* Only need to config FW for physical port MTU change. */
|
||
|
if (repr->port->type != NFP_PORT_PHYS_PORT)
|
||
|
return 0;
|
||
|
|
||
|
if (!(app_priv->flower_ext_feats & NFP_FL_NBI_MTU_SETTING)) {
|
||
|
nfp_err(app->cpp, "Physical port MTU setting not supported\n");
|
||
|
return -EINVAL;
|
||
|
}
|
||
|
|
||
|
spin_lock_bh(&app_priv->mtu_conf.lock);
|
||
|
app_priv->mtu_conf.ack = false;
|
||
|
app_priv->mtu_conf.requested_val = new_mtu;
|
||
|
app_priv->mtu_conf.portnum = repr->dst->u.port_info.port_id;
|
||
|
spin_unlock_bh(&app_priv->mtu_conf.lock);
|
||
|
|
||
|
err = nfp_flower_cmsg_portmod(repr, netif_carrier_ok(netdev), new_mtu,
|
||
|
true);
|
||
|
if (err) {
|
||
|
spin_lock_bh(&app_priv->mtu_conf.lock);
|
||
|
app_priv->mtu_conf.requested_val = 0;
|
||
|
spin_unlock_bh(&app_priv->mtu_conf.lock);
|
||
|
return err;
|
||
|
}
|
||
|
|
||
|
/* Wait for fw to ack the change. */
|
||
|
ack = wait_event_timeout(app_priv->mtu_conf.wait_q,
|
||
|
nfp_flower_check_ack(app_priv),
|
||
|
msecs_to_jiffies(10));
|
||
|
|
||
|
if (!ack) {
|
||
|
spin_lock_bh(&app_priv->mtu_conf.lock);
|
||
|
app_priv->mtu_conf.requested_val = 0;
|
||
|
spin_unlock_bh(&app_priv->mtu_conf.lock);
|
||
|
nfp_warn(app->cpp, "MTU change not verified with fw\n");
|
||
|
return -EIO;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static int nfp_flower_start(struct nfp_app *app)
|
||
|
{
|
||
|
struct nfp_flower_priv *app_priv = app->priv;
|
||
|
int err;
|
||
|
|
||
|
if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG) {
|
||
|
err = nfp_flower_lag_reset(&app_priv->nfp_lag);
|
||
|
if (err)
|
||
|
return err;
|
||
|
|
||
|
err = register_netdevice_notifier(&app_priv->nfp_lag.lag_nb);
|
||
|
if (err)
|
||
|
return err;
|
||
|
}
|
||
|
|
||
|
return nfp_tunnel_config_start(app);
|
||
|
}
|
||
|
|
||
|
static void nfp_flower_stop(struct nfp_app *app)
|
||
|
{
|
||
|
struct nfp_flower_priv *app_priv = app->priv;
|
||
|
|
||
|
if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG)
|
||
|
unregister_netdevice_notifier(&app_priv->nfp_lag.lag_nb);
|
||
|
|
||
|
nfp_tunnel_config_stop(app);
|
||
|
}
|
||
|
|
||
|
const struct nfp_app_type app_flower = {
|
||
|
.id = NFP_APP_FLOWER_NIC,
|
||
|
.name = "flower",
|
||
|
|
||
|
.ctrl_cap_mask = ~0U,
|
||
|
.ctrl_has_meta = true,
|
||
|
|
||
|
.extra_cap = nfp_flower_extra_cap,
|
||
|
|
||
|
.init = nfp_flower_init,
|
||
|
.clean = nfp_flower_clean,
|
||
|
|
||
|
.repr_change_mtu = nfp_flower_repr_change_mtu,
|
||
|
|
||
|
.vnic_alloc = nfp_flower_vnic_alloc,
|
||
|
.vnic_init = nfp_flower_vnic_init,
|
||
|
.vnic_clean = nfp_flower_vnic_clean,
|
||
|
|
||
|
.repr_init = nfp_flower_repr_netdev_init,
|
||
|
.repr_preclean = nfp_flower_repr_netdev_preclean,
|
||
|
.repr_clean = nfp_flower_repr_netdev_clean,
|
||
|
|
||
|
.repr_open = nfp_flower_repr_netdev_open,
|
||
|
.repr_stop = nfp_flower_repr_netdev_stop,
|
||
|
|
||
|
.start = nfp_flower_start,
|
||
|
.stop = nfp_flower_stop,
|
||
|
|
||
|
.ctrl_msg_rx = nfp_flower_cmsg_rx,
|
||
|
|
||
|
.sriov_enable = nfp_flower_sriov_enable,
|
||
|
.sriov_disable = nfp_flower_sriov_disable,
|
||
|
|
||
|
.eswitch_mode_get = eswitch_mode_get,
|
||
|
.repr_get = nfp_flower_repr_get,
|
||
|
|
||
|
.setup_tc = nfp_flower_setup_tc,
|
||
|
};
|