ifeq ($(CONFIG_NFP_APP_FLOWER),y)
nfp-objs += \
flower/cmsg.o \
- flower/main.o
+ flower/main.o \
+ flower/offload.o
endif
ifeq ($(CONFIG_BPF_SYSCALL),y)
#include <net/devlink.h>
#include <net/dst_metadata.h>
+#include "main.h"
#include "../nfpcore/nfp_cpp.h"
+#include "../nfpcore/nfp_nffw.h"
#include "../nfpcore/nfp_nsp.h"
#include "../nfp_app.h"
#include "../nfp_main.h"
#include "../nfp_port.h"
#include "./cmsg.h"
+#define NFP_FLOWER_ALLOWED_VER 0x0001000000010000UL
+
/**
* struct nfp_flower_priv - Flower APP per-vNIC priv data
* @nn: Pointer to vNIC
static int nfp_flower_init(struct nfp_app *app)
{
const struct nfp_pf *pf = app->pf;
+ u64 version;
+ int err;
if (!pf->eth_tbl) {
nfp_warn(app->cpp, "FlowerNIC requires eth table\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 = kzalloc(sizeof(struct nfp_flower_priv), GFP_KERNEL);
if (!app->priv)
return -ENOMEM;
.eswitch_mode_get = eswitch_mode_get,
.repr_get = nfp_flower_repr_get,
+
+ .setup_tc = nfp_flower_setup_tc,
};
--- /dev/null
+/*
+ * 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.
+ */
+
+#ifndef __NFP_FLOWER_H__
+#define __NFP_FLOWER_H__ 1
+
+#include <linux/types.h>
+
+struct tc_to_netdev;
+struct net_device;
+struct nfp_app;
+
+int nfp_flower_setup_tc(struct nfp_app *app, struct net_device *netdev,
+ u32 handle, __be16 proto, struct tc_to_netdev *tc);
+#endif
--- /dev/null
+/*
+ * 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.
+ */
+
+#include <linux/skbuff.h>
+#include <net/devlink.h>
+#include <net/pkt_cls.h>
+
+#include "cmsg.h"
+#include "main.h"
+#include "../nfpcore/nfp_cpp.h"
+#include "../nfpcore/nfp_nsp.h"
+#include "../nfp_app.h"
+#include "../nfp_main.h"
+#include "../nfp_net.h"
+#include "../nfp_port.h"
+
+/**
+ * nfp_flower_add_offload() - Adds a new flow to hardware.
+ * @app: Pointer to the APP handle
+ * @netdev: netdev structure.
+ * @flow: TC flower classifier offload structure.
+ *
+ * Adds a new flow to the repeated hash structure and action payload.
+ *
+ * Return: negative value on error, 0 if configured successfully.
+ */
+static int
+nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev,
+ struct tc_cls_flower_offload *flow)
+{
+ return -EOPNOTSUPP;
+}
+
+/**
+ * nfp_flower_del_offload() - Removes a flow from hardware.
+ * @app: Pointer to the APP handle
+ * @netdev: netdev structure.
+ * @flow: TC flower classifier offload structure
+ *
+ * Removes a flow from the repeated hash structure and clears the
+ * action payload.
+ *
+ * Return: negative value on error, 0 if removed successfully.
+ */
+static int
+nfp_flower_del_offload(struct nfp_app *app, struct net_device *netdev,
+ struct tc_cls_flower_offload *flow)
+{
+ return -EOPNOTSUPP;
+}
+
+/**
+ * nfp_flower_get_stats() - Populates flow stats obtained from hardware.
+ * @app: Pointer to the APP handle
+ * @flow: TC flower classifier offload structure
+ *
+ * Populates a flow statistics structure which which corresponds to a
+ * specific flow.
+ *
+ * Return: negative value on error, 0 if stats populated successfully.
+ */
+static int
+nfp_flower_get_stats(struct nfp_app *app, struct tc_cls_flower_offload *flow)
+{
+ return -EOPNOTSUPP;
+}
+
+static int
+nfp_flower_repr_offload(struct nfp_app *app, struct net_device *netdev,
+ struct tc_cls_flower_offload *flower)
+{
+ switch (flower->command) {
+ case TC_CLSFLOWER_REPLACE:
+ return nfp_flower_add_offload(app, netdev, flower);
+ case TC_CLSFLOWER_DESTROY:
+ return nfp_flower_del_offload(app, netdev, flower);
+ case TC_CLSFLOWER_STATS:
+ return nfp_flower_get_stats(app, flower);
+ }
+
+ return -EOPNOTSUPP;
+}
+
+int nfp_flower_setup_tc(struct nfp_app *app, struct net_device *netdev,
+ u32 handle, __be16 proto, struct tc_to_netdev *tc)
+{
+ if (TC_H_MAJ(handle) != TC_H_MAJ(TC_H_INGRESS))
+ return -EOPNOTSUPP;
+
+ if (!eth_proto_is_802_3(proto))
+ return -EOPNOTSUPP;
+
+ if (tc->type != TC_SETUP_CLSFLOWER)
+ return -EINVAL;
+
+ return nfp_flower_repr_offload(app, netdev, tc->cls_flower);
+}
}
}
-static int
-nfp_net_setup_tc(struct net_device *netdev, u32 handle, u32 chain_index,
- __be16 proto, struct tc_to_netdev *tc)
-{
- struct nfp_net *nn = netdev_priv(netdev);
-
- if (chain_index)
- return -EOPNOTSUPP;
-
- return nfp_app_setup_tc(nn->app, netdev, handle, proto, tc);
-}
-
static int nfp_net_set_features(struct net_device *netdev,
netdev_features_t features)
{
.ndo_get_stats64 = nfp_net_stat64,
.ndo_vlan_rx_add_vid = nfp_net_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = nfp_net_vlan_rx_kill_vid,
- .ndo_setup_tc = nfp_net_setup_tc,
+ .ndo_setup_tc = nfp_port_setup_tc,
.ndo_tx_timeout = nfp_net_tx_timeout,
.ndo_set_rx_mode = nfp_net_set_rx_mode,
.ndo_change_mtu = nfp_net_change_mtu,
.ndo_has_offload_stats = nfp_repr_has_offload_stats,
.ndo_get_offload_stats = nfp_repr_get_offload_stats,
.ndo_get_phys_port_name = nfp_port_get_phys_port_name,
+ .ndo_setup_tc = nfp_port_setup_tc,
};
static void nfp_repr_clean(struct nfp_repr *repr)
netdev->netdev_ops = &nfp_repr_netdev_ops;
SWITCHDEV_SET_OPS(netdev, &nfp_port_switchdev_ops);
+ if (nfp_app_has_tc(app)) {
+ netdev->features |= NETIF_F_HW_TC;
+ netdev->hw_features |= NETIF_F_HW_TC;
+ }
+
err = register_netdev(netdev);
if (err)
goto err_clean;
.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)
+{
+ 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);
+}
+
struct nfp_port *
nfp_port_from_id(struct nfp_pf *pf, enum nfp_port_type type, unsigned int id)
{
#include <net/devlink.h>
+struct tc_to_netdev;
struct net_device;
struct nfp_app;
struct nfp_pf;
extern const struct switchdev_ops nfp_port_switchdev_ops;
+int nfp_port_setup_tc(struct net_device *netdev, u32 handle, u32 chain_index,
+ __be16 proto, struct tc_to_netdev *tc);
+
struct nfp_port *nfp_port_from_netdev(struct net_device *netdev);
struct nfp_port *
nfp_port_from_id(struct nfp_pf *pf, enum nfp_port_type type, unsigned int id);
projects / platform / kernel / linux-rpi.git / commitdiff