/*- * 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 _VIRTQUEUE_H_ #define _VIRTQUEUE_H_ #include #include #include #include #include #include "virtio_pci.h" #include "virtio_ring.h" #include "virtio_logs.h" #include "virtio_rxtx.h" struct rte_mbuf; /* * Per virtio_config.h in Linux. * For virtio_pci on SMP, we don't need to order with respect to MMIO * accesses through relaxed memory I/O windows, so smp_mb() et al are * sufficient. * */ #define virtio_mb() rte_smp_mb() #define virtio_rmb() rte_smp_rmb() #define virtio_wmb() rte_smp_wmb() #ifdef RTE_PMD_PACKET_PREFETCH #define rte_packet_prefetch(p) rte_prefetch1(p) #else #define rte_packet_prefetch(p) do {} while(0) #endif #define VIRTQUEUE_MAX_NAME_SZ 32 #ifdef RTE_VIRTIO_USER /** * Return the physical address (or virtual address in case of * virtio-user) of mbuf data buffer. */ #define VIRTIO_MBUF_ADDR(mb, vq) (*(uint64_t *)((uintptr_t)(mb) + (vq)->offset)) #else #define VIRTIO_MBUF_ADDR(mb, vq) ((mb)->buf_physaddr) #endif /** * Return the physical address (or virtual address in case of * virtio-user) of mbuf data buffer, taking care of mbuf data offset */ #define VIRTIO_MBUF_DATA_DMA_ADDR(mb, vq) \ (VIRTIO_MBUF_ADDR(mb, vq) + (mb)->data_off) #define VTNET_SQ_RQ_QUEUE_IDX 0 #define VTNET_SQ_TQ_QUEUE_IDX 1 #define VTNET_SQ_CQ_QUEUE_IDX 2 enum { VTNET_RQ = 0, VTNET_TQ = 1, VTNET_CQ = 2 }; /** * The maximum virtqueue size is 2^15. Use that value as the end of * descriptor chain terminator since it will never be a valid index * in the descriptor table. This is used to verify we are correctly * handling vq_free_cnt. */ #define VQ_RING_DESC_CHAIN_END 32768 /** * Control the RX mode, ie. promiscuous, allmulti, etc... * All commands require an "out" sg entry containing a 1 byte * state value, zero = disable, non-zero = enable. Commands * 0 and 1 are supported with the VIRTIO_NET_F_CTRL_RX feature. * Commands 2-5 are added with VIRTIO_NET_F_CTRL_RX_EXTRA. */ #define VIRTIO_NET_CTRL_RX 0 #define VIRTIO_NET_CTRL_RX_PROMISC 0 #define VIRTIO_NET_CTRL_RX_ALLMULTI 1 #define VIRTIO_NET_CTRL_RX_ALLUNI 2 #define VIRTIO_NET_CTRL_RX_NOMULTI 3 #define VIRTIO_NET_CTRL_RX_NOUNI 4 #define VIRTIO_NET_CTRL_RX_NOBCAST 5 /** * Control the MAC * * The MAC filter table is managed by the hypervisor

/*

Platform-independant detection of IPC path max length

Copyright (c) 2012 Godefroid Chapelle

Distributed under the terms of the New BSD License.  The full license is in
the file COPYING.BSD, distributed as part of this software.
 */

#if defined(HAVE_SYS_UN_H)
#include "sys/un.h"
int get_ipc_path_max_len(void) {
    struct sockaddr_un *dummy;
    return sizeof(dummy->sun_path) - 1;
}
#else
int get_ipc_path_max_len(void) {
    return 0;
}
#endif

d=%d; desc_head_idx=%d;" \ " avail.idx=%d; used_cons_idx=%d; used.idx=%d;" \ " avail.flags=0x%x; used.flags=0x%x", \ (vq)->vq_nentries, (vq)->vq_free_cnt, nused, \ (vq)->vq_desc_head_idx, (vq)->vq_ring.avail->idx, \ (vq)->vq_used_cons_idx, (vq)->vq_ring.used->idx, \ (vq)->vq_ring.avail->flags, (vq)->vq_ring.used->flags); \ } while (0) #else #define VIRTQUEUE_DUMP(vq) do { } while (0) #endif #endif /* _VIRTQUEUE_H_ */