-/*
- * BSD LICENSE
- *
- * Copyright (C) Cavium, Inc. 2017. 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 Cavium, Inc 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) 2017 Cavium, Inc
*/
#include <stdint.h>
#include <rte_atomic.h>
#include <rte_common.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_ether.h>
#include <rte_log.h>
#include <rte_mbuf.h>
#include "octeontx_rxtx.h"
#include "octeontx_logs.h"
-static __rte_always_inline uint16_t __hot
-__octeontx_xmit_pkts(void *lmtline_va, void *ioreg_va, int64_t *fc_status_va,
- struct rte_mbuf *tx_pkt)
-{
- uint64_t cmd_buf[4];
- uint16_t gaura_id;
-
- if (unlikely(*((volatile int64_t *)fc_status_va) < 0))
- return -ENOSPC;
-
- /* Get the gaura Id */
- gaura_id = octeontx_fpa_bufpool_gpool((uintptr_t)tx_pkt->pool->pool_id);
-
- /* Setup PKO_SEND_HDR_S */
- cmd_buf[0] = tx_pkt->data_len & 0xffff;
- cmd_buf[1] = 0x0;
-
- /* Set don't free bit if reference count > 1 */
- if (rte_mbuf_refcnt_read(tx_pkt) > 1)
- cmd_buf[0] |= (1ULL << 58); /* SET DF */
-
- /* Setup PKO_SEND_GATHER_S */
- cmd_buf[(1 << 1) | 1] = rte_mbuf_data_dma_addr(tx_pkt);
- cmd_buf[(1 << 1) | 0] = PKO_SEND_GATHER_SUBDC |
- PKO_SEND_GATHER_LDTYPE(0x1ull) |
- PKO_SEND_GATHER_GAUAR((long)gaura_id) |
- tx_pkt->data_len;
-
- octeontx_reg_lmtst(lmtline_va, ioreg_va, cmd_buf, PKO_CMD_SZ);
-
- return 0;
-}
-
-uint16_t __hot
-octeontx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
-{
- int count;
- struct octeontx_txq *txq = tx_queue;
- octeontx_dq_t *dq = &txq->dq;
- int res;
-
- count = 0;
-
- while (count < nb_pkts) {
- res = __octeontx_xmit_pkts(dq->lmtline_va, dq->ioreg_va,
- dq->fc_status_va,
- tx_pkts[count]);
- if (res < 0)
- break;
-
- count++;
- }
-
- return count; /* return number of pkts transmitted */
-}
-
-uint16_t __hot
+uint16_t __rte_hot
octeontx_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
{
- struct rte_mbuf *mbuf;
struct octeontx_rxq *rxq;
struct rte_event ev;
- octtx_wqe_t *wqe;
size_t count;
uint16_t valid_event;
1, 0);
if (!valid_event)
break;
-
- wqe = (octtx_wqe_t *)(uintptr_t)ev.u64;
- rte_prefetch_non_temporal(wqe);
-
- /* Get mbuf from wqe */
- mbuf = (struct rte_mbuf *)((uintptr_t)wqe -
- OCTTX_PACKET_WQE_SKIP);
- mbuf->data_off = RTE_PTR_DIFF(wqe->s.w3.addr, mbuf->buf_addr);
- mbuf->pkt_len = wqe->s.w1.len;
- mbuf->data_len = mbuf->pkt_len;
- mbuf->nb_segs = 1;
- mbuf->ol_flags = 0;
- mbuf->port = rxq->port_id;
- rte_mbuf_refcnt_set(mbuf, 1);
- rx_pkts[count++] = mbuf;
+ rx_pkts[count++] = ev.mbuf;
}
return count; /* return number of pkts received */
}
+
+#define T(name, f3, f2, f1, f0, sz, flags) \
+static uint16_t __rte_noinline __rte_hot \
+octeontx_xmit_pkts_ ##name(void *tx_queue, \
+ struct rte_mbuf **tx_pkts, uint16_t pkts) \
+{ \
+ uint64_t cmd[(sz)]; \
+ \
+ return __octeontx_xmit_pkts(tx_queue, tx_pkts, pkts, cmd, \
+ flags); \
+}
+
+OCCTX_TX_FASTPATH_MODES
+#undef T
+
+void __rte_hot
+octeontx_set_tx_function(struct rte_eth_dev *dev)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+
+ const eth_tx_burst_t tx_burst_func[2][2][2][2] = {
+#define T(name, f3, f2, f1, f0, sz, flags) \
+ [f3][f2][f1][f0] = octeontx_xmit_pkts_ ##name,
+
+OCCTX_TX_FASTPATH_MODES
+#undef T
+ };
+
+ dev->tx_pkt_burst = tx_burst_func
+ [!!(nic->tx_offload_flags & OCCTX_TX_OFFLOAD_MBUF_NOFF_F)]
+ [!!(nic->tx_offload_flags & OCCTX_TX_OFFLOAD_OL3_OL4_CSUM_F)]
+ [!!(nic->tx_offload_flags & OCCTX_TX_OFFLOAD_L3_L4_CSUM_F)]
+ [!!(nic->tx_offload_flags & OCCTX_TX_MULTI_SEG_F)];
+}
git.droids-corp.org / dpdk.git / blobdiff