-/*-
- * BSD LICENSE
- *
- * Copyright 2017 6WIND S.A.
- * Copyright 2017 Mellanox.
- *
- * 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.
- * * Neither the name of 6WIND S.A. nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2017 6WIND S.A.
+ * Copyright 2017 Mellanox Technologies, Ltd
*/
#ifndef _RTE_ETH_TAP_H_
#include <sys/queue.h>
#include <sys/uio.h>
#include <inttypes.h>
+#include <net/if.h>
#include <linux/if_tun.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_ether.h>
+#include <rte_gso.h>
+#include "tap_log.h"
#ifdef IFF_MULTI_QUEUE
-#define RTE_PMD_TAP_MAX_QUEUES 16
+#define RTE_PMD_TAP_MAX_QUEUES TAP_MAX_QUEUES
#else
#define RTE_PMD_TAP_MAX_QUEUES 1
#endif
+#define MAX_GSO_MBUFS 64
+
+enum rte_tuntap_type {
+ ETH_TUNTAP_TYPE_UNKNOWN,
+ ETH_TUNTAP_TYPE_TUN,
+ ETH_TUNTAP_TYPE_TAP,
+ ETH_TUNTAP_TYPE_MAX,
+};
struct pkt_stats {
uint64_t opackets; /* Number of output packets */
struct rte_mempool *mp; /* Mempool for RX packets */
uint32_t trigger_seen; /* Last seen Rx trigger value */
uint16_t in_port; /* Port ID */
+ uint16_t queue_id; /* queue ID*/
int fd;
struct pkt_stats stats; /* Stats for this RX queue */
uint16_t nb_rx_desc; /* max number of mbufs available */
struct tx_queue {
int fd;
+ int type; /* Type field - TUN|TAP */
uint16_t *mtu; /* Pointer to MTU from dev_data */
+ uint16_t csum:1; /* Enable checksum offloading */
struct pkt_stats stats; /* Stats for this TX queue */
+ struct rte_gso_ctx gso_ctx; /* GSO context */
+ uint16_t out_port; /* Port ID */
+ uint16_t queue_id; /* queue ID*/
};
struct pmd_internals {
+ struct rte_eth_dev *dev; /* Ethernet device. */
char remote_iface[RTE_ETH_NAME_MAX_LEN]; /* Remote netdevice name */
char name[RTE_ETH_NAME_MAX_LEN]; /* Internal Tap device name */
- uint16_t nb_queues; /* Number of queues supported */
+ int type; /* Type field - TUN|TAP */
struct ether_addr eth_addr; /* Mac address of the device port */
+ struct ifreq remote_initial_flags; /* Remote netdevice flags on init */
int remote_if_index; /* remote netdevice IF_INDEX */
int if_index; /* IF_INDEX for the port */
int ioctl_sock; /* socket for ioctl calls */
int nlsk_fd; /* Netlink socket fd */
+ int flow_isolate; /* 1 if flow isolation is enabled */
int flower_support; /* 1 if kernel supports, else 0 */
int flower_vlan_support; /* 1 if kernel supports, else 0 */
+ int rss_enabled; /* 1 if RSS is enabled, else 0 */
+ /* implicit rules set when RSS is enabled */
+ int map_fd; /* BPF RSS map fd */
+ int bpf_fd[RTE_PMD_TAP_MAX_QUEUES];/* List of bpf fds per queue */
+ LIST_HEAD(tap_rss_flows, rte_flow) rss_flows;
LIST_HEAD(tap_flows, rte_flow) flows; /* rte_flow rules */
/* implicit rte_flow rules set when a remote device is active */
LIST_HEAD(tap_implicit_flows, rte_flow) implicit_flows;
struct rx_queue rxq[RTE_PMD_TAP_MAX_QUEUES]; /* List of RX queues */
struct tx_queue txq[RTE_PMD_TAP_MAX_QUEUES]; /* List of TX queues */
struct rte_intr_handle intr_handle; /* LSC interrupt handle. */
+ int ka_fd; /* keep-alive file descriptor */
};
+/* tap_intr.c */
+
+int tap_rx_intr_vec_set(struct rte_eth_dev *dev, int set);
+
#endif /* _RTE_ETH_TAP_H_ */