ffc905f3b8
Create a rte_ethdev_driver.h file and move PMD specific APIs here. Drivers updated to include this new header file. There is no update in header content and since ethdev.h included by ethdev_driver.h, nothing changed from driver point of view, only logically grouping of APIs. From applications point of view they can't access to driver specific APIs anymore and they shouldn't. More PMD specific data structures still remain in ethdev.h because of inline functions in header use them. Those will be handled separately. Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com> Acked-by: Shreyansh Jain <shreyansh.jain@nxp.com> Acked-by: Andrew Rybchenko <arybchenko@solarflare.com> Acked-by: Thomas Monjalon <thomas@monjalon.net>
100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2017 Cavium, Inc
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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_driver.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_iova(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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uint16_t __hot
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octeontx_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
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{
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struct octeontx_rxq *rxq;
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struct rte_event ev;
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size_t count;
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uint16_t valid_event;
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rxq = rx_queue;
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count = 0;
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while (count < nb_pkts) {
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valid_event = rte_event_dequeue_burst(rxq->evdev,
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rxq->ev_ports, &ev,
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1, 0);
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if (!valid_event)
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break;
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rx_pkts[count++] = ev.mbuf;
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}
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return count; /* return number of pkts received */
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}
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