mlx5_core-$(CONFIG_MLX5_CORE_EN) += wq.o eswitch.o \
en_main.o en_fs.o en_ethtool.o en_tx.o en_rx.o \
- en_txrx.o en_clock.o
+ en_txrx.o en_clock.o vxlan.o
mlx5_core-$(CONFIG_MLX5_CORE_EN_DCB) += en_dcbnl.o
/*
- * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2013-2016, Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
case MLX5_CMD_OP_QUERY_WOL_ROL:
return "QUERY_WOL_ROL";
+ case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT:
+ return "ADD_VXLAN_UDP_DPORT";
+
+ case MLX5_CMD_OP_DELETE_VXLAN_UDP_DPORT:
+ return "DELETE_VXLAN_UDP_DPORT";
+
default: return "unknown command opcode";
}
}
bool filter_disabled;
};
+struct mlx5e_vxlan_db {
+ spinlock_t lock; /* protect vxlan table */
+ struct radix_tree_root tree;
+};
+
struct mlx5e_flow_table {
int num_groups;
struct mlx5_flow_table *t;
struct mlx5e_flow_tables fts;
struct mlx5e_eth_addr_db eth_addr;
struct mlx5e_vlan_db vlan;
+ struct mlx5e_vxlan_db vxlan;
struct mlx5e_params params;
spinlock_t async_events_spinlock; /* sync hw events */
/*
- * Copyright (c) 2015, Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2015-2016, Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
*/
#include <linux/mlx5/fs.h>
+#include <net/vxlan.h>
#include "en.h"
#include "eswitch.h"
+#include "vxlan.h"
struct mlx5e_rq_param {
u32 rqc[MLX5_ST_SZ_DW(rqc)];
vf_stats);
}
+static void mlx5e_add_vxlan_port(struct net_device *netdev,
+ sa_family_t sa_family, __be16 port)
+{
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+
+ if (!mlx5e_vxlan_allowed(priv->mdev))
+ return;
+
+ mlx5e_vxlan_add_port(priv, be16_to_cpu(port));
+}
+
+static void mlx5e_del_vxlan_port(struct net_device *netdev,
+ sa_family_t sa_family, __be16 port)
+{
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+
+ if (!mlx5e_vxlan_allowed(priv->mdev))
+ return;
+
+ mlx5e_vxlan_del_port(priv, be16_to_cpu(port));
+}
+
+static netdev_features_t mlx5e_vxlan_features_check(struct mlx5e_priv *priv,
+ struct sk_buff *skb,
+ netdev_features_t features)
+{
+ struct udphdr *udph;
+ u16 proto;
+ u16 port = 0;
+
+ switch (vlan_get_protocol(skb)) {
+ case htons(ETH_P_IP):
+ proto = ip_hdr(skb)->protocol;
+ break;
+ case htons(ETH_P_IPV6):
+ proto = ipv6_hdr(skb)->nexthdr;
+ break;
+ default:
+ goto out;
+ }
+
+ if (proto == IPPROTO_UDP) {
+ udph = udp_hdr(skb);
+ port = be16_to_cpu(udph->dest);
+ }
+
+ /* Verify if UDP port is being offloaded by HW */
+ if (port && mlx5e_vxlan_lookup_port(priv, port))
+ return features;
+
+out:
+ /* Disable CSUM and GSO if the udp dport is not offloaded by HW */
+ return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
+}
+
+static netdev_features_t mlx5e_features_check(struct sk_buff *skb,
+ struct net_device *netdev,
+ netdev_features_t features)
+{
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+
+ features = vlan_features_check(skb, features);
+ features = vxlan_features_check(skb, features);
+
+ /* Validate if the tunneled packet is being offloaded by HW */
+ if (skb->encapsulation &&
+ (features & NETIF_F_CSUM_MASK || features & NETIF_F_GSO_MASK))
+ return mlx5e_vxlan_features_check(priv, skb, features);
+
+ return features;
+}
+
static const struct net_device_ops mlx5e_netdev_ops_basic = {
.ndo_open = mlx5e_open,
.ndo_stop = mlx5e_close,
.ndo_set_features = mlx5e_set_features,
.ndo_change_mtu = mlx5e_change_mtu,
.ndo_do_ioctl = mlx5e_ioctl,
+ .ndo_add_vxlan_port = mlx5e_add_vxlan_port,
+ .ndo_del_vxlan_port = mlx5e_del_vxlan_port,
+ .ndo_features_check = mlx5e_features_check,
.ndo_set_vf_mac = mlx5e_set_vf_mac,
.ndo_set_vf_vlan = mlx5e_set_vf_vlan,
.ndo_get_vf_config = mlx5e_get_vf_config,
netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX;
netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
+ if (mlx5e_vxlan_allowed(mdev)) {
+ netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL;
+ netdev->hw_enc_features |= NETIF_F_IP_CSUM;
+ netdev->hw_enc_features |= NETIF_F_RXCSUM;
+ netdev->hw_enc_features |= NETIF_F_TSO;
+ netdev->hw_enc_features |= NETIF_F_TSO6;
+ netdev->hw_enc_features |= NETIF_F_RXHASH;
+ netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL;
+ }
+
netdev->features = netdev->hw_features;
if (!priv->params.lro_en)
netdev->features &= ~NETIF_F_LRO;
mlx5e_init_eth_addr(priv);
+ mlx5e_vxlan_init(priv);
+
#ifdef CONFIG_MLX5_CORE_EN_DCB
mlx5e_dcbnl_ieee_setets_core(priv, &priv->params.ets);
#endif
goto err_destroy_flow_tables;
}
+ if (mlx5e_vxlan_allowed(mdev))
+ vxlan_get_rx_port(netdev);
+
mlx5e_enable_async_events(priv);
schedule_work(&priv->set_rx_mode_work);
mlx5e_disable_async_events(priv);
flush_scheduled_work();
unregister_netdev(netdev);
+ mlx5e_vxlan_cleanup(priv);
mlx5e_destroy_flow_tables(priv);
mlx5e_destroy_tirs(priv);
mlx5e_destroy_rqt(priv, MLX5E_SINGLE_RQ_RQT);
--- /dev/null
+/*
+ * Copyright (c) 2016, Mellanox Technologies, Ltd. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - 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/kernel.h>
+#include <linux/module.h>
+#include <linux/mlx5/driver.h>
+#include "mlx5_core.h"
+#include "vxlan.h"
+
+void mlx5e_vxlan_init(struct mlx5e_priv *priv)
+{
+ struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan;
+
+ spin_lock_init(&vxlan_db->lock);
+ INIT_RADIX_TREE(&vxlan_db->tree, GFP_ATOMIC);
+}
+
+static int mlx5e_vxlan_core_add_port_cmd(struct mlx5_core_dev *mdev, u16 port)
+{
+ struct mlx5_outbox_hdr *hdr;
+ int err;
+
+ u32 in[MLX5_ST_SZ_DW(add_vxlan_udp_dport_in)];
+ u32 out[MLX5_ST_SZ_DW(add_vxlan_udp_dport_out)];
+
+ memset(in, 0, sizeof(in));
+ memset(out, 0, sizeof(out));
+
+ MLX5_SET(add_vxlan_udp_dport_in, in, opcode,
+ MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT);
+ MLX5_SET(add_vxlan_udp_dport_in, in, vxlan_udp_port, port);
+
+ err = mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ if (err)
+ return err;
+
+ hdr = (struct mlx5_outbox_hdr *)out;
+ return hdr->status ? -ENOMEM : 0;
+}
+
+static int mlx5e_vxlan_core_del_port_cmd(struct mlx5_core_dev *mdev, u16 port)
+{
+ u32 in[MLX5_ST_SZ_DW(delete_vxlan_udp_dport_in)];
+ u32 out[MLX5_ST_SZ_DW(delete_vxlan_udp_dport_out)];
+
+ memset(&in, 0, sizeof(in));
+ memset(&out, 0, sizeof(out));
+
+ MLX5_SET(delete_vxlan_udp_dport_in, in, opcode,
+ MLX5_CMD_OP_DELETE_VXLAN_UDP_DPORT);
+ MLX5_SET(delete_vxlan_udp_dport_in, in, vxlan_udp_port, port);
+
+ return mlx5_cmd_exec_check_status(mdev, in, sizeof(in), out,
+ sizeof(out));
+}
+
+struct mlx5e_vxlan *mlx5e_vxlan_lookup_port(struct mlx5e_priv *priv, u16 port)
+{
+ struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan;
+ struct mlx5e_vxlan *vxlan;
+
+ spin_lock(&vxlan_db->lock);
+ vxlan = radix_tree_lookup(&vxlan_db->tree, port);
+ spin_unlock(&vxlan_db->lock);
+
+ return vxlan;
+}
+
+int mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port)
+{
+ struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan;
+ struct mlx5e_vxlan *vxlan;
+ int err;
+
+ err = mlx5e_vxlan_core_add_port_cmd(priv->mdev, port);
+ if (err)
+ return err;
+
+ vxlan = kzalloc(sizeof(*vxlan), GFP_KERNEL);
+ if (!vxlan) {
+ err = -ENOMEM;
+ goto err_delete_port;
+ }
+
+ vxlan->udp_port = port;
+
+ spin_lock_irq(&vxlan_db->lock);
+ err = radix_tree_insert(&vxlan_db->tree, vxlan->udp_port, vxlan);
+ spin_unlock_irq(&vxlan_db->lock);
+ if (err)
+ goto err_free;
+
+ return 0;
+
+err_free:
+ kfree(vxlan);
+err_delete_port:
+ mlx5e_vxlan_core_del_port_cmd(priv->mdev, port);
+ return err;
+}
+
+static void __mlx5e_vxlan_core_del_port(struct mlx5e_priv *priv, u16 port)
+{
+ struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan;
+ struct mlx5e_vxlan *vxlan;
+
+ spin_lock_irq(&vxlan_db->lock);
+ vxlan = radix_tree_delete(&vxlan_db->tree, port);
+ spin_unlock_irq(&vxlan_db->lock);
+
+ if (!vxlan)
+ return;
+
+ mlx5e_vxlan_core_del_port_cmd(priv->mdev, vxlan->udp_port);
+
+ kfree(vxlan);
+}
+
+void mlx5e_vxlan_del_port(struct mlx5e_priv *priv, u16 port)
+{
+ if (!mlx5e_vxlan_lookup_port(priv, port))
+ return;
+
+ __mlx5e_vxlan_core_del_port(priv, port);
+}
+
+void mlx5e_vxlan_cleanup(struct mlx5e_priv *priv)
+{
+ struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan;
+ struct mlx5e_vxlan *vxlan;
+ unsigned int port = 0;
+
+ spin_lock_irq(&vxlan_db->lock);
+ while (radix_tree_gang_lookup(&vxlan_db->tree, (void **)&vxlan, port, 1)) {
+ port = vxlan->udp_port;
+ spin_unlock_irq(&vxlan_db->lock);
+ __mlx5e_vxlan_core_del_port(priv, (u16)port);
+ spin_lock_irq(&vxlan_db->lock);
+ }
+ spin_unlock_irq(&vxlan_db->lock);
+}
--- /dev/null
+/*
+ * Copyright (c) 2016, Mellanox Technologies, Ltd. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - 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 __MLX5_VXLAN_H__
+#define __MLX5_VXLAN_H__
+
+#include <linux/mlx5/driver.h>
+#include "en.h"
+
+struct mlx5e_vxlan {
+ u16 udp_port;
+};
+
+static inline bool mlx5e_vxlan_allowed(struct mlx5_core_dev *mdev)
+{
+ return (MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan) &&
+ mlx5_core_is_pf(mdev));
+}
+
+void mlx5e_vxlan_init(struct mlx5e_priv *priv);
+int mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port);
+void mlx5e_vxlan_del_port(struct mlx5e_priv *priv, u16 port);
+struct mlx5e_vxlan *mlx5e_vxlan_lookup_port(struct mlx5e_priv *priv, u16 port);
+void mlx5e_vxlan_cleanup(struct mlx5e_priv *priv);
+
+#endif /* __MLX5_VXLAN_H__ */
projects / deliverable / linux.git / commitdiff
