9e747589bd
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com> Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
/*
|
|
* 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 */
|
|
}
|