-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2013-2016 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) 2013-2016 Intel Corporation
*/
#include <inttypes.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_common.h>
#include <rte_net.h>
#include "fm10k.h"
* Packets in fm10k device always carry at least one VLAN tag.
* For those packets coming in without VLAN tag,
* the port default VLAN tag will be used.
- * So, always PKT_RX_VLAN_PKT flag is set and vlan_tci
+ * So, always PKT_RX_VLAN flag is set and vlan_tci
* is valid for each RX packet's mbuf.
*/
- mbuf->ol_flags |= PKT_RX_VLAN_PKT;
+ mbuf->ol_flags |= PKT_RX_VLAN;
mbuf->vlan_tci = desc.w.vlan;
/**
* mbuf->vlan_tci_outer is an idle field in fm10k driver,
q->alloc_thresh);
if (unlikely(ret != 0)) {
- uint8_t port = q->port_id;
+ uint16_t port = q->port_id;
PMD_RX_LOG(ERR, "Failed to alloc mbuf");
/*
* Need to restore next_dd if we cannot allocate new
* Packets in fm10k device always carry at least one VLAN tag.
* For those packets coming in without VLAN tag,
* the port default VLAN tag will be used.
- * So, always PKT_RX_VLAN_PKT flag is set and vlan_tci
+ * So, always PKT_RX_VLAN flag is set and vlan_tci
* is valid for each RX packet's mbuf.
*/
- first_seg->ol_flags |= PKT_RX_VLAN_PKT;
+ first_seg->ol_flags |= PKT_RX_VLAN;
first_seg->vlan_tci = desc.w.vlan;
/**
* mbuf->vlan_tci_outer is an idle field in fm10k driver,
q->alloc_thresh);
if (unlikely(ret != 0)) {
- uint8_t port = q->port_id;
+ uint16_t port = q->port_id;
PMD_RX_LOG(ERR, "Failed to alloc mbuf");
/*
* Need to restore next_dd if we cannot allocate new
return ret;
}
+int
+fm10k_dev_rx_descriptor_status(void *rx_queue, uint16_t offset)
+{
+ volatile union fm10k_rx_desc *rxdp;
+ struct fm10k_rx_queue *rxq = rx_queue;
+ uint16_t nb_hold, trigger_last;
+ uint16_t desc;
+ int ret;
+
+ if (unlikely(offset >= rxq->nb_desc)) {
+ PMD_DRV_LOG(ERR, "Invalid RX descriptor offset %u", offset);
+ return 0;
+ }
+
+ if (rxq->next_trigger < rxq->alloc_thresh)
+ trigger_last = rxq->next_trigger +
+ rxq->nb_desc - rxq->alloc_thresh;
+ else
+ trigger_last = rxq->next_trigger - rxq->alloc_thresh;
+
+ if (rxq->next_dd < trigger_last)
+ nb_hold = rxq->next_dd + rxq->nb_desc - trigger_last;
+ else
+ nb_hold = rxq->next_dd - trigger_last;
+
+ if (offset >= rxq->nb_desc - nb_hold)
+ return RTE_ETH_RX_DESC_UNAVAIL;
+
+ desc = rxq->next_dd + offset;
+ if (desc >= rxq->nb_desc)
+ desc -= rxq->nb_desc;
+
+ rxdp = &rxq->hw_ring[desc];
+
+ ret = !!(rxdp->w.status &
+ rte_cpu_to_le_16(FM10K_RXD_STATUS_DD));
+
+ return ret;
+}
+
+int
+fm10k_dev_tx_descriptor_status(void *tx_queue, uint16_t offset)
+{
+ volatile struct fm10k_tx_desc *txdp;
+ struct fm10k_tx_queue *txq = tx_queue;
+ uint16_t desc;
+ uint16_t next_rs = txq->nb_desc;
+ struct fifo rs_tracker = txq->rs_tracker;
+ struct fifo *r = &rs_tracker;
+
+ if (unlikely(offset >= txq->nb_desc))
+ return -EINVAL;
+
+ desc = txq->next_free + offset;
+ /* go to next desc that has the RS bit */
+ desc = (desc / txq->rs_thresh + 1) *
+ txq->rs_thresh - 1;
+
+ if (desc >= txq->nb_desc) {
+ desc -= txq->nb_desc;
+ if (desc >= txq->nb_desc)
+ desc -= txq->nb_desc;
+ }
+
+ r->head = r->list;
+ for ( ; r->head != r->endp; ) {
+ if (*r->head >= desc && *r->head < next_rs)
+ next_rs = *r->head;
+ ++r->head;
+ }
+
+ txdp = &txq->hw_ring[next_rs];
+ if (txdp->flags & FM10K_TXD_FLAG_DONE)
+ return RTE_ETH_TX_DESC_DONE;
+
+ return RTE_ETH_TX_DESC_FULL;
+}
+
/*
* Free multiple TX mbuf at a time if they are in the same pool
*
Code Review / deb_dpdk.git / blobdiff