--- /dev/null
+/*
+ * 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.
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <rte_atomic.h>
+#include <rte_common.h>
+#include <rte_ethdev.h>
+#include <rte_ether.h>
+#include <rte_log.h>
+#include <rte_mbuf.h>
+#include <rte_prefetch.h>
+
+#include "octeontx_ethdev.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 */
+}
--- /dev/null
+/*
+ * 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 networks 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 __OCTEONTX_RXTX_H__
+#define __OCTEONTX_RXTX_H__
+
+#include <rte_ethdev.h>
+
+#ifndef __hot
+#define __hot __attribute__((hot))
+#endif
+
+uint16_t
+octeontx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts);
+
+
+#endif /* __OCTEONTX_RXTX_H__ */
git.droids-corp.org / dpdk.git / commitdiff