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Diffstat (limited to 'examples/tep_termination/main.h')
| -rw-r--r-- | examples/tep_termination/main.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/examples/tep_termination/main.h b/examples/tep_termination/main.h new file mode 100644 index 00000000..a34301ad --- /dev/null +++ b/examples/tep_termination/main.h @@ -0,0 +1,129 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2015 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 _MAIN_H_ +#define _MAIN_H_ + +#include <rte_ether.h> + +#ifdef DEBUG +#define LOG_LEVEL RTE_LOG_DEBUG +#define LOG_DEBUG(log_type, fmt, args...) RTE_LOG(DEBUG, log_type, fmt, ##args) +#else +#define LOG_LEVEL RTE_LOG_INFO +#define LOG_DEBUG(log_type, fmt, args...) do {} while (0) +#endif + +/* Macros for printing using RTE_LOG */ +#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1 +#define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER2 +#define RTE_LOGTYPE_VHOST_PORT RTE_LOGTYPE_USER3 + +/* State of virtio device. */ +#define DEVICE_MAC_LEARNING 0 +#define DEVICE_RX 1 +#define DEVICE_SAFE_REMOVE 2 + +#define MAX_QUEUES 512 + +/* Max burst size for RX/TX */ +#define MAX_PKT_BURST 32 + +/* Max number of devices. Limited by the application. */ +#define MAX_DEVICES 64 + +/* Per-device statistics struct */ +struct device_statistics { + uint64_t tx_total; + rte_atomic64_t rx_total_atomic; + uint64_t rx_total; + uint64_t tx; + rte_atomic64_t rx_atomic; + /**< Bad inner IP csum for tunneling pkt */ + rte_atomic64_t rx_bad_ip_csum; + /**< Bad inner L4 csum for tunneling pkt */ + rte_atomic64_t rx_bad_l4_csum; +} __rte_cache_aligned; + +/** + * Device linked list structure for data path. + */ +struct vhost_dev { + /**< Pointer to device created by vhost lib. */ + struct virtio_net *dev; + /**< Number of memory regions for gpa to hpa translation. */ + uint32_t nregions_hpa; + /**< Memory region information for gpa to hpa translation. */ + struct virtio_memory_regions_hpa *regions_hpa; + /**< Device MAC address (Obtained on first TX packet). */ + struct ether_addr mac_address; + /**< RX queue number. */ + uint16_t rx_q; + /**< Data core that the device is added to. */ + uint16_t coreid; + /**< A device is set as ready if the MAC address has been set. */ + volatile uint8_t ready; + /**< Device is marked for removal from the data core. */ + volatile uint8_t remove; +} __rte_cache_aligned; + +/** + * Structure containing data core specific information. + */ +struct lcore_ll_info { + /**< Pointer to head in free linked list. */ + struct virtio_net_data_ll *ll_root_free; + /**< Pointer to head of used linked list. */ + struct virtio_net_data_ll *ll_root_used; + /**< Number of devices on lcore. */ + uint32_t device_num; + /**< Flag to synchronize device removal. */ + volatile uint8_t dev_removal_flag; +}; + +struct lcore_info { + /**< Pointer to data core specific lcore_ll_info struct */ + struct lcore_ll_info *lcore_ll; +}; + +struct virtio_net_data_ll { + /**< Pointer to device created by configuration core. */ + struct vhost_dev *vdev; + /**< Pointer to next device in linked list. */ + struct virtio_net_data_ll *next; +}; + +uint32_t +virtio_dev_rx(struct virtio_net *dev, struct rte_mbuf **pkts, uint32_t count); + +#endif /* _MAIN_H_ */ |