X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Ftap%2Frte_eth_tap.h;h=53a506add0ff1861d308fe4e6116997849783221;hb=acfe2bd440b4e059d871f8ee71abb708c10b8ee8;hp=741ec5350886b6b6efbed124182edd3c98d099ed;hpb=de96fe68ae95990f5ce2cd4c8d9547ab62d2a810;p=dpdk.git

diff --git a/drivers/net/tap/rte_eth_tap.h b/drivers/net/tap/rte_eth_tap.h
index 741ec53508..53a506add0 100644
--- a/drivers/net/tap/rte_eth_tap.h
+++ b/drivers/net/tap/rte_eth_tap.h
@@ -1,46 +1,26 @@
-/*-
- *   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.
  */
 
 #ifndef _RTE_ETH_TAP_H_
 #define _RTE_ETH_TAP_H_
 
 #include <sys/queue.h>
+#include <sys/uio.h>
 #include <inttypes.h>
+#include <net/if.h>
 
-#include <rte_ethdev.h>
+#include <linux/if_tun.h>
+
+#include <rte_ethdev_driver.h>
 #include <rte_ether.h>
 
-#define RTE_PMD_TAP_MAX_QUEUES 16
+#ifdef IFF_MULTI_QUEUE
+#define RTE_PMD_TAP_MAX_QUEUES	TAP_MAX_QUEUES
+#else
+#define RTE_PMD_TAP_MAX_QUEUES	1
+#endif
 
 struct pkt_stats {
 	uint64_t opackets;              /* Number of output packets */
@@ -48,6 +28,8 @@ struct pkt_stats {
 	uint64_t obytes;                /* Number of bytes on output */
 	uint64_t ibytes;                /* Number of bytes on input */
 	uint64_t errs;                  /* Number of TX error packets */
+	uint64_t ierrors;               /* Number of RX error packets */
+	uint64_t rx_nombuf;             /* Nb of RX mbuf alloc failures */
 };
 
 struct rx_queue {
@@ -56,25 +38,48 @@ struct rx_queue {
 	uint16_t in_port;               /* Port ID */
 	int fd;
 	struct pkt_stats stats;         /* Stats for this RX queue */
+	uint16_t nb_rx_desc;            /* max number of mbufs available */
+	struct rte_eth_rxmode *rxmode;  /* RX features */
+	struct rte_mbuf *pool;          /* mbufs pool for this queue */
+	struct iovec (*iovecs)[];       /* descriptors for this queue */
+	struct tun_pi pi;               /* packet info for iovecs */
 };
 
 struct tx_queue {
 	int fd;
+	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 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 */
 	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. */
 };
 
+/* tap_intr.c */
+
+int tap_rx_intr_vec_set(struct rte_eth_dev *dev, int set);
+
 #endif /* _RTE_ETH_TAP_H_ */