-/*-
- * 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2015 Intel Corporation
*/
#include <stdint.h>
#include <rte_cycles.h>
#include <rte_memory.h>
-#include <rte_memzone.h>
#include <rte_branch_prediction.h>
#include <rte_mempool.h>
#include <rte_malloc.h>
#include <rte_mbuf.h>
#include <rte_ether.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_prefetch.h>
#include <rte_string_fns.h>
#include <rte_errno.h>
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif
-int __attribute__((cold))
-virtqueue_enqueue_recv_refill_simple(struct virtqueue *vq,
- struct rte_mbuf *cookie)
-{
- struct vq_desc_extra *dxp;
- struct vring_desc *start_dp;
- uint16_t desc_idx;
-
- desc_idx = vq->vq_avail_idx & (vq->vq_nentries - 1);
- dxp = &vq->vq_descx[desc_idx];
- dxp->cookie = (void *)cookie;
- vq->sw_ring[desc_idx] = cookie;
-
- start_dp = vq->vq_ring.desc;
- start_dp[desc_idx].addr =
- VIRTIO_MBUF_ADDR(cookie, vq) +
- RTE_PKTMBUF_HEADROOM - vq->hw->vtnet_hdr_size;
- start_dp[desc_idx].len = cookie->buf_len -
- RTE_PKTMBUF_HEADROOM + vq->hw->vtnet_hdr_size;
-
- vq->vq_free_cnt--;
- vq->vq_avail_idx++;
-
- return 0;
-}
-
-uint16_t
-virtio_xmit_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts,
- uint16_t nb_pkts)
-{
- struct virtnet_tx *txvq = tx_queue;
- struct virtqueue *vq = txvq->vq;
- struct virtio_hw *hw = vq->hw;
- uint16_t nb_used;
- uint16_t desc_idx;
- struct vring_desc *start_dp;
- uint16_t nb_tail, nb_commit;
- int i;
- uint16_t desc_idx_max = (vq->vq_nentries >> 1) - 1;
- uint16_t nb_tx = 0;
-
- if (unlikely(hw->started == 0))
- return nb_tx;
-
- nb_used = VIRTQUEUE_NUSED(vq);
- rte_compiler_barrier();
-
- if (nb_used >= VIRTIO_TX_FREE_THRESH)
- virtio_xmit_cleanup(vq);
-
- nb_commit = nb_pkts = RTE_MIN((vq->vq_free_cnt >> 1), nb_pkts);
- desc_idx = (uint16_t)(vq->vq_avail_idx & desc_idx_max);
- start_dp = vq->vq_ring.desc;
- nb_tail = (uint16_t) (desc_idx_max + 1 - desc_idx);
-
- if (nb_commit >= nb_tail) {
- for (i = 0; i < nb_tail; i++)
- vq->vq_descx[desc_idx + i].cookie = tx_pkts[i];
- for (i = 0; i < nb_tail; i++) {
- start_dp[desc_idx].addr =
- VIRTIO_MBUF_DATA_DMA_ADDR(*tx_pkts, vq);
- start_dp[desc_idx].len = (*tx_pkts)->pkt_len;
- tx_pkts++;
- desc_idx++;
- }
- nb_commit -= nb_tail;
- desc_idx = 0;
- }
- for (i = 0; i < nb_commit; i++)
- vq->vq_descx[desc_idx + i].cookie = tx_pkts[i];
- for (i = 0; i < nb_commit; i++) {
- start_dp[desc_idx].addr =
- VIRTIO_MBUF_DATA_DMA_ADDR(*tx_pkts, vq);
- start_dp[desc_idx].len = (*tx_pkts)->pkt_len;
- tx_pkts++;
- desc_idx++;
- }
-
- rte_compiler_barrier();
-
- vq->vq_free_cnt -= (uint16_t)(nb_pkts << 1);
- vq->vq_avail_idx += nb_pkts;
- vq->vq_ring.avail->idx = vq->vq_avail_idx;
- txvq->stats.packets += nb_pkts;
-
- if (likely(nb_pkts)) {
- if (unlikely(virtqueue_kick_prepare(vq)))
- virtqueue_notify(vq);
- }
-
- return nb_pkts;
-}
-
int __attribute__((cold))
virtio_rxq_vec_setup(struct virtnet_rx *rxq)
{
}
/* Stub for linkage when arch specific implementation is not available */
-uint16_t __attribute__((weak))
+__rte_weak uint16_t
virtio_recv_pkts_vec(void *rx_queue __rte_unused,
struct rte_mbuf **rx_pkts __rte_unused,
uint16_t nb_pkts __rte_unused)
Code Review / deb_dpdk.git / blobdiff