371 lines
10 KiB
C
371 lines
10 KiB
C
|
/*-
|
||
|
|
* BSD LICENSE
|
||
|
|
*
|
||
|
|
* Copyright 2016 Freescale Semiconductor, Inc. All rights reserved.
|
||
|
|
* Copyright 2017 NXP.
|
||
|
|
*
|
||
|
|
* 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 Freescale Semiconductor, 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* System headers */
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <inttypes.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <limits.h>
|
||
|
|
#include <sched.h>
|
||
|
|
#include <pthread.h>
|
||
|
|
|
||
|
|
#include <rte_config.h>
|
||
|
|
#include <rte_byteorder.h>
|
||
|
|
#include <rte_common.h>
|
||
|
|
#include <rte_interrupts.h>
|
||
|
|
#include <rte_log.h>
|
||
|
|
#include <rte_debug.h>
|
||
|
|
#include <rte_pci.h>
|
||
|
|
#include <rte_atomic.h>
|
||
|
|
#include <rte_branch_prediction.h>
|
||
|
|
#include <rte_memory.h>
|
||
|
|
#include <rte_memzone.h>
|
||
|
|
#include <rte_tailq.h>
|
||
|
|
#include <rte_eal.h>
|
||
|
|
#include <rte_alarm.h>
|
||
|
|
#include <rte_ether.h>
|
||
|
|
#include <rte_ethdev.h>
|
||
|
|
#include <rte_atomic.h>
|
||
|
|
#include <rte_malloc.h>
|
||
|
|
#include <rte_ring.h>
|
||
|
|
#include <rte_ip.h>
|
||
|
|
#include <rte_tcp.h>
|
||
|
|
#include <rte_udp.h>
|
||
|
|
|
||
|
|
#include "dpaa_ethdev.h"
|
||
|
|
#include "dpaa_rxtx.h"
|
||
|
|
#include <rte_dpaa_bus.h>
|
||
|
|
#include <dpaa_mempool.h>
|
||
|
|
|
||
|
|
#include <fsl_usd.h>
|
||
|
|
#include <fsl_qman.h>
|
||
|
|
#include <fsl_bman.h>
|
||
|
|
#include <of.h>
|
||
|
|
#include <netcfg.h>
|
||
|
|
|
||
|
|
#define DPAA_MBUF_TO_CONTIG_FD(_mbuf, _fd, _bpid) \
|
||
|
|
do { \
|
||
|
|
(_fd)->cmd = 0; \
|
||
|
|
(_fd)->opaque_addr = 0; \
|
||
|
|
(_fd)->opaque = QM_FD_CONTIG << DPAA_FD_FORMAT_SHIFT; \
|
||
|
|
(_fd)->opaque |= ((_mbuf)->data_off) << DPAA_FD_OFFSET_SHIFT; \
|
||
|
|
(_fd)->opaque |= (_mbuf)->pkt_len; \
|
||
|
|
(_fd)->addr = (_mbuf)->buf_physaddr; \
|
||
|
|
(_fd)->bpid = _bpid; \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
static inline struct rte_mbuf *dpaa_eth_fd_to_mbuf(struct qm_fd *fd,
|
||
|
|
uint32_t ifid)
|
||
|
|
{
|
||
|
|
struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid);
|
||
|
|
struct rte_mbuf *mbuf;
|
||
|
|
void *ptr;
|
||
|
|
uint16_t offset =
|
||
|
|
(fd->opaque & DPAA_FD_OFFSET_MASK) >> DPAA_FD_OFFSET_SHIFT;
|
||
|
|
uint32_t length = fd->opaque & DPAA_FD_LENGTH_MASK;
|
||
|
|
|
||
|
|
DPAA_DP_LOG(DEBUG, " FD--->MBUF");
|
||
|
|
|
||
|
|
/* Ignoring case when format != qm_fd_contig */
|
||
|
|
ptr = rte_dpaa_mem_ptov(fd->addr);
|
||
|
|
/* Ignoring case when ptr would be NULL. That is only possible incase
|
||
|
|
* of a corrupted packet
|
||
|
|
*/
|
||
|
|
|
||
|
|
mbuf = (struct rte_mbuf *)((char *)ptr - bp_info->meta_data_size);
|
||
|
|
/* Prefetch the Parse results and packet data to L1 */
|
||
|
|
rte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF));
|
||
|
|
rte_prefetch0((void *)((uint8_t *)ptr + offset));
|
||
|
|
|
||
|
|
mbuf->data_off = offset;
|
||
|
|
mbuf->data_len = length;
|
||
|
|
mbuf->pkt_len = length;
|
||
|
|
|
||
|
|
mbuf->port = ifid;
|
||
|
|
mbuf->nb_segs = 1;
|
||
|
|
mbuf->ol_flags = 0;
|
||
|
|
mbuf->next = NULL;
|
||
|
|
rte_mbuf_refcnt_set(mbuf, 1);
|
||
|
|
|
||
|
|
return mbuf;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint16_t dpaa_eth_queue_rx(void *q,
|
||
|
|
struct rte_mbuf **bufs,
|
||
|
|
uint16_t nb_bufs)
|
||
|
|
{
|
||
|
|
struct qman_fq *fq = q;
|
||
|
|
struct qm_dqrr_entry *dq;
|
||
|
|
uint32_t num_rx = 0, ifid = ((struct dpaa_if *)fq->dpaa_intf)->ifid;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = rte_dpaa_portal_init((void *)0);
|
||
|
|
if (ret) {
|
||
|
|
DPAA_PMD_ERR("Failure in affining portal");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = qman_set_vdq(fq, (nb_bufs > DPAA_MAX_DEQUEUE_NUM_FRAMES) ?
|
||
|
|
DPAA_MAX_DEQUEUE_NUM_FRAMES : nb_bufs);
|
||
|
|
if (ret)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
do {
|
||
|
|
dq = qman_dequeue(fq);
|
||
|
|
if (!dq)
|
||
|
|
continue;
|
||
|
|
bufs[num_rx++] = dpaa_eth_fd_to_mbuf(&dq->fd, ifid);
|
||
|
|
qman_dqrr_consume(fq, dq);
|
||
|
|
} while (fq->flags & QMAN_FQ_STATE_VDQCR);
|
||
|
|
|
||
|
|
return num_rx;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void *dpaa_get_pktbuf(struct dpaa_bp_info *bp_info)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
uint64_t buf = 0;
|
||
|
|
struct bm_buffer bufs;
|
||
|
|
|
||
|
|
ret = bman_acquire(bp_info->bp, &bufs, 1, 0);
|
||
|
|
if (ret <= 0) {
|
||
|
|
DPAA_PMD_WARN("Failed to allocate buffers %d", ret);
|
||
|
|
return (void *)buf;
|
||
|
|
}
|
||
|
|
|
||
|
|
DPAA_DP_LOG(DEBUG, "got buffer 0x%lx from pool %d",
|
||
|
|
(uint64_t)bufs.addr, bufs.bpid);
|
||
|
|
|
||
|
|
buf = (uint64_t)rte_dpaa_mem_ptov(bufs.addr) - bp_info->meta_data_size;
|
||
|
|
if (!buf)
|
||
|
|
goto out;
|
||
|
|
|
||
|
|
out:
|
||
|
|
return (void *)buf;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct rte_mbuf *dpaa_get_dmable_mbuf(struct rte_mbuf *mbuf,
|
||
|
|
struct dpaa_if *dpaa_intf)
|
||
|
|
{
|
||
|
|
struct rte_mbuf *dpaa_mbuf;
|
||
|
|
|
||
|
|
/* allocate pktbuffer on bpid for dpaa port */
|
||
|
|
dpaa_mbuf = dpaa_get_pktbuf(dpaa_intf->bp_info);
|
||
|
|
if (!dpaa_mbuf)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
memcpy((uint8_t *)(dpaa_mbuf->buf_addr) + mbuf->data_off, (void *)
|
||
|
|
((uint8_t *)(mbuf->buf_addr) + mbuf->data_off), mbuf->pkt_len);
|
||
|
|
|
||
|
|
/* Copy only the required fields */
|
||
|
|
dpaa_mbuf->data_off = mbuf->data_off;
|
||
|
|
dpaa_mbuf->pkt_len = mbuf->pkt_len;
|
||
|
|
dpaa_mbuf->ol_flags = mbuf->ol_flags;
|
||
|
|
dpaa_mbuf->packet_type = mbuf->packet_type;
|
||
|
|
dpaa_mbuf->tx_offload = mbuf->tx_offload;
|
||
|
|
rte_pktmbuf_free(mbuf);
|
||
|
|
return dpaa_mbuf;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Handle mbufs which are not segmented (non SG) */
|
||
|
|
static inline void
|
||
|
|
tx_on_dpaa_pool_unsegmented(struct rte_mbuf *mbuf,
|
||
|
|
struct dpaa_bp_info *bp_info,
|
||
|
|
struct qm_fd *fd_arr)
|
||
|
|
{
|
||
|
|
struct rte_mbuf *mi = NULL;
|
||
|
|
|
||
|
|
if (RTE_MBUF_DIRECT(mbuf)) {
|
||
|
|
if (rte_mbuf_refcnt_read(mbuf) > 1) {
|
||
|
|
/* In case of direct mbuf and mbuf being cloned,
|
||
|
|
* BMAN should _not_ release buffer.
|
||
|
|
*/
|
||
|
|
DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, 0xff);
|
||
|
|
/* Buffer should be releasd by EAL */
|
||
|
|
rte_mbuf_refcnt_update(mbuf, -1);
|
||
|
|
} else {
|
||
|
|
/* In case of direct mbuf and no cloning, mbuf can be
|
||
|
|
* released by BMAN.
|
||
|
|
*/
|
||
|
|
DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, bp_info->bpid);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
/* This is data-containing core mbuf: 'mi' */
|
||
|
|
mi = rte_mbuf_from_indirect(mbuf);
|
||
|
|
if (rte_mbuf_refcnt_read(mi) > 1) {
|
||
|
|
/* In case of indirect mbuf, and mbuf being cloned,
|
||
|
|
* BMAN should _not_ release it and let EAL release
|
||
|
|
* it through pktmbuf_free below.
|
||
|
|
*/
|
||
|
|
DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, 0xff);
|
||
|
|
} else {
|
||
|
|
/* In case of indirect mbuf, and no cloning, core mbuf
|
||
|
|
* should be released by BMAN.
|
||
|
|
* Increate refcnt of core mbuf so that when
|
||
|
|
* pktmbuf_free is called and mbuf is released, EAL
|
||
|
|
* doesn't try to release core mbuf which would have
|
||
|
|
* been released by BMAN.
|
||
|
|
*/
|
||
|
|
rte_mbuf_refcnt_update(mi, 1);
|
||
|
|
DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, bp_info->bpid);
|
||
|
|
}
|
||
|
|
rte_pktmbuf_free(mbuf);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Handle all mbufs on dpaa BMAN managed pool */
|
||
|
|
static inline uint16_t
|
||
|
|
tx_on_dpaa_pool(struct rte_mbuf *mbuf,
|
||
|
|
struct dpaa_bp_info *bp_info,
|
||
|
|
struct qm_fd *fd_arr)
|
||
|
|
{
|
||
|
|
DPAA_DP_LOG(DEBUG, "BMAN offloaded buffer, mbuf: %p", mbuf);
|
||
|
|
|
||
|
|
if (mbuf->nb_segs == 1) {
|
||
|
|
/* Case for non-segmented buffers */
|
||
|
|
tx_on_dpaa_pool_unsegmented(mbuf, bp_info, fd_arr);
|
||
|
|
} else {
|
||
|
|
DPAA_PMD_DEBUG("Number of Segments not supported");
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Handle all mbufs on an external pool (non-dpaa) */
|
||
|
|
static inline uint16_t
|
||
|
|
tx_on_external_pool(struct qman_fq *txq, struct rte_mbuf *mbuf,
|
||
|
|
struct qm_fd *fd_arr)
|
||
|
|
{
|
||
|
|
struct dpaa_if *dpaa_intf = txq->dpaa_intf;
|
||
|
|
struct rte_mbuf *dmable_mbuf;
|
||
|
|
|
||
|
|
DPAA_DP_LOG(DEBUG, "Non-BMAN offloaded buffer."
|
||
|
|
"Allocating an offloaded buffer");
|
||
|
|
dmable_mbuf = dpaa_get_dmable_mbuf(mbuf, dpaa_intf);
|
||
|
|
if (!dmable_mbuf) {
|
||
|
|
DPAA_DP_LOG(DEBUG, "no dpaa buffers.");
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, dpaa_intf->bp_info->bpid);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint16_t
|
||
|
|
dpaa_eth_queue_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
|
||
|
|
{
|
||
|
|
struct rte_mbuf *mbuf, *mi = NULL;
|
||
|
|
struct rte_mempool *mp;
|
||
|
|
struct dpaa_bp_info *bp_info;
|
||
|
|
struct qm_fd fd_arr[MAX_TX_RING_SLOTS];
|
||
|
|
uint32_t frames_to_send, loop, i = 0;
|
||
|
|
uint16_t state;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = rte_dpaa_portal_init((void *)0);
|
||
|
|
if (ret) {
|
||
|
|
DPAA_PMD_ERR("Failure in affining portal");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
DPAA_DP_LOG(DEBUG, "Transmitting %d buffers on queue: %p", nb_bufs, q);
|
||
|
|
|
||
|
|
while (nb_bufs) {
|
||
|
|
frames_to_send = (nb_bufs >> 3) ? MAX_TX_RING_SLOTS : nb_bufs;
|
||
|
|
for (loop = 0; loop < frames_to_send; loop++, i++) {
|
||
|
|
mbuf = bufs[i];
|
||
|
|
if (RTE_MBUF_DIRECT(mbuf)) {
|
||
|
|
mp = mbuf->pool;
|
||
|
|
} else {
|
||
|
|
mi = rte_mbuf_from_indirect(mbuf);
|
||
|
|
mp = mi->pool;
|
||
|
|
}
|
||
|
|
|
||
|
|
bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp);
|
||
|
|
if (likely(mp->ops_index == bp_info->dpaa_ops_index)) {
|
||
|
|
state = tx_on_dpaa_pool(mbuf, bp_info,
|
||
|
|
&fd_arr[loop]);
|
||
|
|
if (unlikely(state)) {
|
||
|
|
/* Set frames_to_send & nb_bufs so
|
||
|
|
* that packets are transmitted till
|
||
|
|
* previous frame.
|
||
|
|
*/
|
||
|
|
frames_to_send = loop;
|
||
|
|
nb_bufs = loop;
|
||
|
|
goto send_pkts;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
state = tx_on_external_pool(q, mbuf,
|
||
|
|
&fd_arr[loop]);
|
||
|
|
if (unlikely(state)) {
|
||
|
|
/* Set frames_to_send & nb_bufs so
|
||
|
|
* that packets are transmitted till
|
||
|
|
* previous frame.
|
||
|
|
*/
|
||
|
|
frames_to_send = loop;
|
||
|
|
nb_bufs = loop;
|
||
|
|
goto send_pkts;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
send_pkts:
|
||
|
|
loop = 0;
|
||
|
|
while (loop < frames_to_send) {
|
||
|
|
loop += qman_enqueue_multi(q, &fd_arr[loop],
|
||
|
|
frames_to_send - loop);
|
||
|
|
}
|
||
|
|
nb_bufs -= frames_to_send;
|
||
|
|
}
|
||
|
|
|
||
|
|
DPAA_DP_LOG(DEBUG, "Transmitted %d buffers on queue: %p", i, q);
|
||
|
|
|
||
|
|
return i;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint16_t dpaa_eth_tx_drop_all(void *q __rte_unused,
|
||
|
|
struct rte_mbuf **bufs __rte_unused,
|
||
|
|
uint16_t nb_bufs __rte_unused)
|
||
|
|
{
|
||
|
|
DPAA_DP_LOG(DEBUG, "Drop all packets");
|
||
|
|
|
||
|
|
/* Drop all incoming packets. No need to free packets here
|
||
|
|
* because the rte_eth f/w frees up the packets through tx_buffer
|
||
|
|
* callback in case this functions returns count less than nb_bufs
|
||
|
|
*/
|
||
|
|
return 0;
|
||
|
|
}
|