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40 #include <tmmintrin.h>
42 #include <rte_cycles.h>
43 #include <rte_memory.h>
44 #include <rte_memzone.h>
45 #include <rte_branch_prediction.h>
46 #include <rte_mempool.h>
47 #include <rte_malloc.h>
49 #include <rte_ether.h>
50 #include <rte_ethdev.h>
51 #include <rte_prefetch.h>
52 #include <rte_string_fns.h>
53 #include <rte_errno.h>
54 #include <rte_byteorder.h>
56 #include "virtio_logs.h"
57 #include "virtio_ethdev.h"
58 #include "virtqueue.h"
59 #include "virtio_rxtx.h"
61 int __attribute__((cold))
62 virtqueue_enqueue_recv_refill_simple(struct virtqueue *vq,
63 struct rte_mbuf *cookie)
65 struct vq_desc_extra *dxp;
66 struct vring_desc *start_dp;
69 desc_idx = vq->vq_avail_idx & (vq->vq_nentries - 1);
70 dxp = &vq->vq_descx[desc_idx];
71 dxp->cookie = (void *)cookie;
72 vq->sw_ring[desc_idx] = cookie;
74 start_dp = vq->vq_ring.desc;
75 start_dp[desc_idx].addr = (uint64_t)((uintptr_t)cookie->buf_physaddr +
76 RTE_PKTMBUF_HEADROOM - sizeof(struct virtio_net_hdr));
77 start_dp[desc_idx].len = cookie->buf_len -
78 RTE_PKTMBUF_HEADROOM + sizeof(struct virtio_net_hdr);