net/octeontx: add packet transmit burst function
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com> Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
This commit is contained in:
Jerin Jacob
Ferruh Yigit
parent
150cbc8403
commit
9e747589bd
@ -50,11 +50,17 @@ VPATH += $(SRCDIR)/base
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#
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# all source are stored in SRCS-y
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#
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SRCS-$(CONFIG_RTE_LIBRTE_OCTEONTX_PMD) += octeontx_rxtx.c
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SRCS-$(CONFIG_RTE_LIBRTE_OCTEONTX_PMD) += octeontx_pkovf.c
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SRCS-$(CONFIG_RTE_LIBRTE_OCTEONTX_PMD) += octeontx_pkivf.c
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SRCS-$(CONFIG_RTE_LIBRTE_OCTEONTX_PMD) += octeontx_bgx.c
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SRCS-$(CONFIG_RTE_LIBRTE_OCTEONTX_PMD) += octeontx_ethdev.c
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ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y)
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CFLAGS_octeontx_rxtx.o += -fno-prefetch-loop-arrays
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endif
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CFLAGS_octeontx_rxtx.o += -O3 -Ofast
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LDLIBS += -lrte_eventdev
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LDLIBS += -lrte_pmd_octeontx_ssovf
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104
drivers/net/octeontx/octeontx_rxtx.c
Normal file
104
drivers/net/octeontx/octeontx_rxtx.c
Normal file
@ -0,0 +1,104 @@
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/*
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* BSD LICENSE
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*
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* Copyright (C) Cavium, Inc. 2017. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Cavium, Inc nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <rte_atomic.h>
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#include <rte_common.h>
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#include <rte_ethdev.h>
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#include <rte_ether.h>
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#include <rte_log.h>
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#include <rte_mbuf.h>
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#include <rte_prefetch.h>
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#include "octeontx_ethdev.h"
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#include "octeontx_rxtx.h"
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#include "octeontx_logs.h"
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static __rte_always_inline uint16_t __hot
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__octeontx_xmit_pkts(void *lmtline_va, void *ioreg_va, int64_t *fc_status_va,
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struct rte_mbuf *tx_pkt)
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{
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uint64_t cmd_buf[4];
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uint16_t gaura_id;
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if (unlikely(*((volatile int64_t *)fc_status_va) < 0))
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return -ENOSPC;
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/* Get the gaura Id */
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gaura_id = octeontx_fpa_bufpool_gpool((uintptr_t)tx_pkt->pool->pool_id);
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/* Setup PKO_SEND_HDR_S */
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cmd_buf[0] = tx_pkt->data_len & 0xffff;
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cmd_buf[1] = 0x0;
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/* Set don't free bit if reference count > 1 */
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if (rte_mbuf_refcnt_read(tx_pkt) > 1)
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cmd_buf[0] |= (1ULL << 58); /* SET DF */
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/* Setup PKO_SEND_GATHER_S */
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cmd_buf[(1 << 1) | 1] = rte_mbuf_data_dma_addr(tx_pkt);
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cmd_buf[(1 << 1) | 0] = PKO_SEND_GATHER_SUBDC |
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PKO_SEND_GATHER_LDTYPE(0x1ull) |
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PKO_SEND_GATHER_GAUAR((long)gaura_id) |
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tx_pkt->data_len;
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octeontx_reg_lmtst(lmtline_va, ioreg_va, cmd_buf, PKO_CMD_SZ);
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return 0;
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}
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uint16_t __hot
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octeontx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
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{
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int count;
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struct octeontx_txq *txq = tx_queue;
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octeontx_dq_t *dq = &txq->dq;
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int res;
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count = 0;
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while (count < nb_pkts) {
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res = __octeontx_xmit_pkts(dq->lmtline_va, dq->ioreg_va,
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dq->fc_status_va,
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tx_pkts[count]);
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if (res < 0)
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break;
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count++;
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}
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return count; /* return number of pkts transmitted */
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}
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46
drivers/net/octeontx/octeontx_rxtx.h
Normal file
46
drivers/net/octeontx/octeontx_rxtx.h
Normal file
@ -0,0 +1,46 @@
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/*
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* BSD LICENSE
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*
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* Copyright (C) Cavium Inc. 2017. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Cavium networks nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __OCTEONTX_RXTX_H__
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#define __OCTEONTX_RXTX_H__
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#include <rte_ethdev.h>
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#ifndef __hot
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#define __hot __attribute__((hot))
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#endif
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uint16_t
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octeontx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts);
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#endif /* __OCTEONTX_RXTX_H__ */
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