Imported Upstream version 16.04

Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757
Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>

1 files changed, 111 insertions, 0 deletions

diff --git a/examples/l2fwd-ivshmem/include/common.h b/examples/l2fwd-ivshmem/include/common.h
new file mode 100644
index 00000000..8564d32b
--- /dev/null
+++ b/examples/l2fwd-ivshmem/include/common.h
@@ -0,0 +1,111 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   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 Intel Corporation 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.
+ */
+
+#ifndef _IVSHMEM_COMMON_H_
+#define _IVSHMEM_COMMON_H_
+
+#define RTE_LOGTYPE_L2FWD_IVSHMEM RTE_LOGTYPE_USER1
+
+#define CTRL_MZ_NAME "CTRL_MEMZONE"
+#define MBUF_MP_NAME "MBUF_MEMPOOL"
+#define RX_RING_PREFIX "RX_"
+#define TX_RING_PREFIX "TX_"
+
+/* A tsc-based timer responsible for triggering statistics printout */
+#define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
+#define MAX_TIMER_PERIOD 86400 /* 1 day max */
+static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */
+
+#define DIM(x)\
+	(sizeof(x)/sizeof(x)[0])
+
+#define MAX_PKT_BURST 32
+
+const struct rte_memzone * ctrl_mz;
+
+enum l2fwd_state {
+	STATE_NONE = 0,
+	STATE_FWD,
+	STATE_EXIT,
+	STATE_FAIL
+};
+
+/* Per-port statistics struct */
+struct port_statistics {
+	uint64_t tx;
+	uint64_t rx;
+	uint64_t dropped;
+} __rte_cache_aligned;
+
+struct mbuf_table {
+	unsigned len;
+	struct rte_mbuf *m_table[MAX_PKT_BURST * 2]; /**< allow up to two bursts */
+};
+
+struct vm_port_param {
+	struct rte_ring * rx_ring;         /**< receiving ring for current port */
+	struct rte_ring * tx_ring;         /**< transmitting ring for current port */
+	struct vm_port_param * dst;        /**< current port's destination port */
+	volatile struct port_statistics stats;      /**< statistics for current port */
+	struct ether_addr ethaddr;         /**< Ethernet address of the port */
+};
+
+/* control structure, to synchronize host and VM */
+struct ivshmem_ctrl {
+	rte_spinlock_t lock;
+	uint8_t nb_ports;                /**< total nr of ports */
+	volatile enum l2fwd_state state; /**< report state */
+	struct vm_port_param vm_ports[RTE_MAX_ETHPORTS];
+};
+
+struct ivshmem_ctrl * ctrl;
+
+static unsigned int l2fwd_ivshmem_rx_queue_per_lcore = 1;
+
+static void sighandler(int __rte_unused s)
+{
+	ctrl->state = STATE_EXIT;
+}
+
+static void sigsetup(void)
+{
+	   struct sigaction sigIntHandler;
+
+	   sigIntHandler.sa_handler = sighandler;
+	   sigemptyset(&sigIntHandler.sa_mask);
+	   sigIntHandler.sa_flags = 0;
+
+	   sigaction(SIGINT, &sigIntHandler, NULL);
+}
+
+#endif /* _IVSHMEM_COMMON_H_ */