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numam-dpdk/drivers/net/dpaa2/dpaa2_rxtx.c
Nipun Gupta 1f4d77d20b net/dpaa2: fix multi-segment Tx 
This patch resets frc and ctrl in sg tx fd to avoid corruption.

Fixes: 774e9ea919 ("net/dpaa2: add support for multi seg buffers")
Cc: stable@dpdk.org

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
2019-07-23 14:31:36 +02:00

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/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
* Copyright 2016-2018 NXP
*
*/
#include <time.h>
#include <net/if.h>
#include <rte_mbuf.h>
#include <rte_ethdev_driver.h>
#include <rte_malloc.h>
#include <rte_memcpy.h>
#include <rte_string_fns.h>
#include <rte_dev.h>
#include <rte_fslmc.h>
#include <fslmc_vfio.h>
#include <dpaa2_hw_pvt.h>
#include <dpaa2_hw_dpio.h>
#include <dpaa2_hw_mempool.h>
#include "dpaa2_pmd_logs.h"
#include "dpaa2_ethdev.h"
#include "base/dpaa2_hw_dpni_annot.h"
static inline uint32_t __attribute__((hot))
dpaa2_dev_rx_parse_slow(struct rte_mbuf *mbuf,
struct dpaa2_annot_hdr *annotation);
#define DPAA2_MBUF_TO_CONTIG_FD(_mbuf, _fd, _bpid) do { \
DPAA2_SET_FD_ADDR(_fd, DPAA2_MBUF_VADDR_TO_IOVA(_mbuf)); \
DPAA2_SET_FD_LEN(_fd, _mbuf->data_len); \
DPAA2_SET_ONLY_FD_BPID(_fd, _bpid); \
DPAA2_SET_FD_OFFSET(_fd, _mbuf->data_off); \
DPAA2_SET_FD_FRC(_fd, 0); \
DPAA2_RESET_FD_CTRL(_fd); \
DPAA2_RESET_FD_FLC(_fd); \
} while (0)
static inline void __attribute__((hot))
dpaa2_dev_rx_parse_new(struct rte_mbuf *m, const struct qbman_fd *fd)
{
struct dpaa2_annot_hdr *annotation;
uint16_t frc = DPAA2_GET_FD_FRC_PARSE_SUM(fd);
m->packet_type = RTE_PTYPE_UNKNOWN;
switch (frc) {
case DPAA2_PKT_TYPE_ETHER:
m->packet_type = RTE_PTYPE_L2_ETHER;
break;
case DPAA2_PKT_TYPE_IPV4:
m->packet_type = RTE_PTYPE_L2_ETHER |
RTE_PTYPE_L3_IPV4;
break;
case DPAA2_PKT_TYPE_IPV6:
m->packet_type = RTE_PTYPE_L2_ETHER |
RTE_PTYPE_L3_IPV6;
break;
case DPAA2_PKT_TYPE_IPV4_EXT:
m->packet_type = RTE_PTYPE_L2_ETHER |
RTE_PTYPE_L3_IPV4_EXT;
break;
case DPAA2_PKT_TYPE_IPV6_EXT:
m->packet_type = RTE_PTYPE_L2_ETHER |
RTE_PTYPE_L3_IPV6_EXT;
break;
case DPAA2_PKT_TYPE_IPV4_TCP:
m->packet_type = RTE_PTYPE_L2_ETHER |
RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_TCP;
break;
case DPAA2_PKT_TYPE_IPV6_TCP:
m->packet_type = RTE_PTYPE_L2_ETHER |
RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP;
break;
case DPAA2_PKT_TYPE_IPV4_UDP:
m->packet_type = RTE_PTYPE_L2_ETHER |
RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_UDP;
break;
case DPAA2_PKT_TYPE_IPV6_UDP:
m->packet_type = RTE_PTYPE_L2_ETHER |
RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP;
break;
case DPAA2_PKT_TYPE_IPV4_SCTP:
m->packet_type = RTE_PTYPE_L2_ETHER |
RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_SCTP;
break;
case DPAA2_PKT_TYPE_IPV6_SCTP:
m->packet_type = RTE_PTYPE_L2_ETHER |
RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_SCTP;
break;
case DPAA2_PKT_TYPE_IPV4_ICMP:
m->packet_type = RTE_PTYPE_L2_ETHER |
RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_ICMP;
break;
case DPAA2_PKT_TYPE_IPV6_ICMP:
m->packet_type = RTE_PTYPE_L2_ETHER |
RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_ICMP;
break;
default:
m->packet_type = dpaa2_dev_rx_parse_slow(m,
(void *)((size_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd))
+ DPAA2_FD_PTA_SIZE));
}
m->hash.rss = fd->simple.flc_hi;
m->ol_flags |= PKT_RX_RSS_HASH;
if (dpaa2_enable_ts == PMD_DPAA2_ENABLE_TS) {
annotation = (struct dpaa2_annot_hdr *)
((size_t)DPAA2_IOVA_TO_VADDR(
DPAA2_GET_FD_ADDR(fd)) + DPAA2_FD_PTA_SIZE);
m->timestamp = annotation->word2;
m->ol_flags |= PKT_RX_TIMESTAMP;
DPAA2_PMD_DP_DEBUG("pkt timestamp:0x%" PRIx64 "", m->timestamp);
}
DPAA2_PMD_DP_DEBUG("HW frc = 0x%x\t packet type =0x%x "
"ol_flags =0x%" PRIx64 "",
frc, m->packet_type, m->ol_flags);
}
static inline uint32_t __attribute__((hot))
dpaa2_dev_rx_parse_slow(struct rte_mbuf *mbuf,
struct dpaa2_annot_hdr *annotation)
{
uint32_t pkt_type = RTE_PTYPE_UNKNOWN;
uint16_t *vlan_tci;
DPAA2_PMD_DP_DEBUG("(slow parse)annotation(3)=0x%" PRIx64 "\t"
"(4)=0x%" PRIx64 "\t",
annotation->word3, annotation->word4);
if (BIT_ISSET_AT_POS(annotation->word3, L2_VLAN_1_PRESENT)) {
vlan_tci = rte_pktmbuf_mtod_offset(mbuf, uint16_t *,
(VLAN_TCI_OFFSET_1(annotation->word5) >> 16));
mbuf->vlan_tci = rte_be_to_cpu_16(*vlan_tci);
mbuf->ol_flags |= PKT_RX_VLAN;
pkt_type |= RTE_PTYPE_L2_ETHER_VLAN;
} else if (BIT_ISSET_AT_POS(annotation->word3, L2_VLAN_N_PRESENT)) {
vlan_tci = rte_pktmbuf_mtod_offset(mbuf, uint16_t *,
(VLAN_TCI_OFFSET_1(annotation->word5) >> 16));
mbuf->vlan_tci = rte_be_to_cpu_16(*vlan_tci);
mbuf->ol_flags |= PKT_RX_VLAN | PKT_RX_QINQ;
pkt_type |= RTE_PTYPE_L2_ETHER_QINQ;
}
if (BIT_ISSET_AT_POS(annotation->word3, L2_ARP_PRESENT)) {
pkt_type |= RTE_PTYPE_L2_ETHER_ARP;
goto parse_done;
} else if (BIT_ISSET_AT_POS(annotation->word3, L2_ETH_MAC_PRESENT)) {
pkt_type |= RTE_PTYPE_L2_ETHER;
} else {
goto parse_done;
}
if (BIT_ISSET_AT_POS(annotation->word4, L3_IPV4_1_PRESENT |
L3_IPV4_N_PRESENT)) {
pkt_type |= RTE_PTYPE_L3_IPV4;
if (BIT_ISSET_AT_POS(annotation->word4, L3_IP_1_OPT_PRESENT |
L3_IP_N_OPT_PRESENT))
pkt_type |= RTE_PTYPE_L3_IPV4_EXT;
} else if (BIT_ISSET_AT_POS(annotation->word4, L3_IPV6_1_PRESENT |
L3_IPV6_N_PRESENT)) {
pkt_type |= RTE_PTYPE_L3_IPV6;
if (BIT_ISSET_AT_POS(annotation->word4, L3_IP_1_OPT_PRESENT |
L3_IP_N_OPT_PRESENT))
pkt_type |= RTE_PTYPE_L3_IPV6_EXT;
} else {
goto parse_done;
}
if (BIT_ISSET_AT_POS(annotation->word8, DPAA2_ETH_FAS_L3CE))
mbuf->ol_flags |= PKT_RX_IP_CKSUM_BAD;
else if (BIT_ISSET_AT_POS(annotation->word8, DPAA2_ETH_FAS_L4CE))
mbuf->ol_flags |= PKT_RX_L4_CKSUM_BAD;
if (BIT_ISSET_AT_POS(annotation->word4, L3_IP_1_FIRST_FRAGMENT |
L3_IP_1_MORE_FRAGMENT |
L3_IP_N_FIRST_FRAGMENT |
L3_IP_N_MORE_FRAGMENT)) {
pkt_type |= RTE_PTYPE_L4_FRAG;
goto parse_done;
} else {
pkt_type |= RTE_PTYPE_L4_NONFRAG;
}
if (BIT_ISSET_AT_POS(annotation->word4, L3_PROTO_UDP_PRESENT))
pkt_type |= RTE_PTYPE_L4_UDP;
else if (BIT_ISSET_AT_POS(annotation->word4, L3_PROTO_TCP_PRESENT))
pkt_type |= RTE_PTYPE_L4_TCP;
else if (BIT_ISSET_AT_POS(annotation->word4, L3_PROTO_SCTP_PRESENT))
pkt_type |= RTE_PTYPE_L4_SCTP;
else if (BIT_ISSET_AT_POS(annotation->word4, L3_PROTO_ICMP_PRESENT))
pkt_type |= RTE_PTYPE_L4_ICMP;
else if (BIT_ISSET_AT_POS(annotation->word4, L3_IP_UNKNOWN_PROTOCOL))
pkt_type |= RTE_PTYPE_UNKNOWN;
parse_done:
return pkt_type;
}
static inline uint32_t __attribute__((hot))
dpaa2_dev_rx_parse(struct rte_mbuf *mbuf, void *hw_annot_addr)
{
struct dpaa2_annot_hdr *annotation =
(struct dpaa2_annot_hdr *)hw_annot_addr;
DPAA2_PMD_DP_DEBUG("(fast parse) Annotation = 0x%" PRIx64 "\t",
annotation->word4);
if (BIT_ISSET_AT_POS(annotation->word8, DPAA2_ETH_FAS_L3CE))
mbuf->ol_flags |= PKT_RX_IP_CKSUM_BAD;
else if (BIT_ISSET_AT_POS(annotation->word8, DPAA2_ETH_FAS_L4CE))
mbuf->ol_flags |= PKT_RX_L4_CKSUM_BAD;
mbuf->ol_flags |= PKT_RX_TIMESTAMP;
mbuf->timestamp = annotation->word2;
DPAA2_PMD_DP_DEBUG("pkt timestamp: 0x%" PRIx64 "", mbuf->timestamp);
/* Check detailed parsing requirement */
if (annotation->word3 & 0x7FFFFC3FFFF)
return dpaa2_dev_rx_parse_slow(mbuf, annotation);
/* Return some common types from parse processing */
switch (annotation->word4) {
case DPAA2_L3_IPv4:
return RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4;
case DPAA2_L3_IPv6:
return RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6;
case DPAA2_L3_IPv4_TCP:
return RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4 |
RTE_PTYPE_L4_TCP;
case DPAA2_L3_IPv4_UDP:
return RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4 |
RTE_PTYPE_L4_UDP;
case DPAA2_L3_IPv6_TCP:
return RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6 |
RTE_PTYPE_L4_TCP;
case DPAA2_L3_IPv6_UDP:
return RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV6 |
RTE_PTYPE_L4_UDP;
default:
break;
}
return dpaa2_dev_rx_parse_slow(mbuf, annotation);
}
static inline struct rte_mbuf *__attribute__((hot))
eth_sg_fd_to_mbuf(const struct qbman_fd *fd)
{
struct qbman_sge *sgt, *sge;
size_t sg_addr, fd_addr;
int i = 0;
struct rte_mbuf *first_seg, *next_seg, *cur_seg, *temp;
fd_addr = (size_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd));
/* Get Scatter gather table address */
sgt = (struct qbman_sge *)(fd_addr + DPAA2_GET_FD_OFFSET(fd));
sge = &sgt[i++];
sg_addr = (size_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FLE_ADDR(sge));
/* First Scatter gather entry */
first_seg = DPAA2_INLINE_MBUF_FROM_BUF(sg_addr,
rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size);
/* Prepare all the metadata for first segment */
first_seg->buf_addr = (uint8_t *)sg_addr;
first_seg->ol_flags = 0;
first_seg->data_off = DPAA2_GET_FLE_OFFSET(sge);
first_seg->data_len = sge->length & 0x1FFFF;
first_seg->pkt_len = DPAA2_GET_FD_LEN(fd);
first_seg->nb_segs = 1;
first_seg->next = NULL;
if (dpaa2_svr_family == SVR_LX2160A)
dpaa2_dev_rx_parse_new(first_seg, fd);
else
first_seg->packet_type = dpaa2_dev_rx_parse(first_seg,
(void *)((size_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd))
+ DPAA2_FD_PTA_SIZE));
rte_mbuf_refcnt_set(first_seg, 1);
cur_seg = first_seg;
while (!DPAA2_SG_IS_FINAL(sge)) {
sge = &sgt[i++];
sg_addr = (size_t)DPAA2_IOVA_TO_VADDR(
DPAA2_GET_FLE_ADDR(sge));
next_seg = DPAA2_INLINE_MBUF_FROM_BUF(sg_addr,
rte_dpaa2_bpid_info[DPAA2_GET_FLE_BPID(sge)].meta_data_size);
next_seg->buf_addr = (uint8_t *)sg_addr;
next_seg->data_off = DPAA2_GET_FLE_OFFSET(sge);
next_seg->data_len = sge->length & 0x1FFFF;
first_seg->nb_segs += 1;
rte_mbuf_refcnt_set(next_seg, 1);
cur_seg->next = next_seg;
next_seg->next = NULL;
cur_seg = next_seg;
}
temp = DPAA2_INLINE_MBUF_FROM_BUF(fd_addr,
rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size);
rte_mbuf_refcnt_set(temp, 1);
rte_pktmbuf_free_seg(temp);
return (void *)first_seg;
}
static inline struct rte_mbuf *__attribute__((hot))
eth_fd_to_mbuf(const struct qbman_fd *fd)
{
struct rte_mbuf *mbuf = DPAA2_INLINE_MBUF_FROM_BUF(
DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd)),
rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size);
/* need to repopulated some of the fields,
* as they may have changed in last transmission
*/
mbuf->nb_segs = 1;
mbuf->ol_flags = 0;
mbuf->data_off = DPAA2_GET_FD_OFFSET(fd);
mbuf->data_len = DPAA2_GET_FD_LEN(fd);
mbuf->pkt_len = mbuf->data_len;
mbuf->next = NULL;
rte_mbuf_refcnt_set(mbuf, 1);
/* Parse the packet */
/* parse results for LX2 are there in FRC field of FD.
* For other DPAA2 platforms , parse results are after
* the private - sw annotation area
*/
if (dpaa2_svr_family == SVR_LX2160A)
dpaa2_dev_rx_parse_new(mbuf, fd);
else
mbuf->packet_type = dpaa2_dev_rx_parse(mbuf,
(void *)((size_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd))
+ DPAA2_FD_PTA_SIZE));
DPAA2_PMD_DP_DEBUG("to mbuf - mbuf =%p, mbuf->buf_addr =%p, off = %d,"
"fd_off=%d fd =%" PRIx64 ", meta = %d bpid =%d, len=%d\n",
mbuf, mbuf->buf_addr, mbuf->data_off,
DPAA2_GET_FD_OFFSET(fd), DPAA2_GET_FD_ADDR(fd),
rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size,
DPAA2_GET_FD_BPID(fd), DPAA2_GET_FD_LEN(fd));
return mbuf;
}
static int __attribute__ ((noinline)) __attribute__((hot))
eth_mbuf_to_sg_fd(struct rte_mbuf *mbuf,
struct qbman_fd *fd, uint16_t bpid)
{
struct rte_mbuf *cur_seg = mbuf, *prev_seg, *mi, *temp;
struct qbman_sge *sgt, *sge = NULL;
int i;
temp = rte_pktmbuf_alloc(mbuf->pool);
if (temp == NULL) {
DPAA2_PMD_DP_DEBUG("No memory to allocate S/G table\n");
return -ENOMEM;
}
DPAA2_SET_FD_ADDR(fd, DPAA2_MBUF_VADDR_TO_IOVA(temp));
DPAA2_SET_FD_LEN(fd, mbuf->pkt_len);
DPAA2_SET_ONLY_FD_BPID(fd, bpid);
DPAA2_SET_FD_OFFSET(fd, temp->data_off);
DPAA2_FD_SET_FORMAT(fd, qbman_fd_sg);
DPAA2_RESET_FD_FRC(fd);
DPAA2_RESET_FD_CTRL(fd);
/*Set Scatter gather table and Scatter gather entries*/
sgt = (struct qbman_sge *)(
(size_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd))
+ DPAA2_GET_FD_OFFSET(fd));
for (i = 0; i < mbuf->nb_segs; i++) {
sge = &sgt[i];
/*Resetting the buffer pool id and offset field*/
sge->fin_bpid_offset = 0;
DPAA2_SET_FLE_ADDR(sge, DPAA2_MBUF_VADDR_TO_IOVA(cur_seg));
DPAA2_SET_FLE_OFFSET(sge, cur_seg->data_off);
sge->length = cur_seg->data_len;
if (RTE_MBUF_DIRECT(cur_seg)) {
if (rte_mbuf_refcnt_read(cur_seg) > 1) {
/* If refcnt > 1, invalid bpid is set to ensure
* buffer is not freed by HW
*/
DPAA2_SET_FLE_IVP(sge);
rte_mbuf_refcnt_update(cur_seg, -1);
} else
DPAA2_SET_FLE_BPID(sge,
mempool_to_bpid(cur_seg->pool));
cur_seg = cur_seg->next;
} else {
/* Get owner MBUF from indirect buffer */
mi = rte_mbuf_from_indirect(cur_seg);
if (rte_mbuf_refcnt_read(mi) > 1) {
/* If refcnt > 1, invalid bpid is set to ensure
* owner buffer is not freed by HW
*/
DPAA2_SET_FLE_IVP(sge);
} else {
DPAA2_SET_FLE_BPID(sge,
mempool_to_bpid(mi->pool));
rte_mbuf_refcnt_update(mi, 1);
}
prev_seg = cur_seg;
cur_seg = cur_seg->next;
prev_seg->next = NULL;
rte_pktmbuf_free(prev_seg);
}
}
DPAA2_SG_SET_FINAL(sge, true);
return 0;
}
static void
eth_mbuf_to_fd(struct rte_mbuf *mbuf,
struct qbman_fd *fd, uint16_t bpid) __attribute__((unused));
static void __attribute__ ((noinline)) __attribute__((hot))
eth_mbuf_to_fd(struct rte_mbuf *mbuf,
struct qbman_fd *fd, uint16_t bpid)
{
DPAA2_MBUF_TO_CONTIG_FD(mbuf, fd, bpid);
DPAA2_PMD_DP_DEBUG("mbuf =%p, mbuf->buf_addr =%p, off = %d,"
"fd_off=%d fd =%" PRIx64 ", meta = %d bpid =%d, len=%d\n",
mbuf, mbuf->buf_addr, mbuf->data_off,
DPAA2_GET_FD_OFFSET(fd), DPAA2_GET_FD_ADDR(fd),
rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size,
DPAA2_GET_FD_BPID(fd), DPAA2_GET_FD_LEN(fd));
if (RTE_MBUF_DIRECT(mbuf)) {
if (rte_mbuf_refcnt_read(mbuf) > 1) {
DPAA2_SET_FD_IVP(fd);
rte_mbuf_refcnt_update(mbuf, -1);
}
} else {
struct rte_mbuf *mi;
mi = rte_mbuf_from_indirect(mbuf);
if (rte_mbuf_refcnt_read(mi) > 1)
DPAA2_SET_FD_IVP(fd);
else
rte_mbuf_refcnt_update(mi, 1);
rte_pktmbuf_free(mbuf);
}
}
static inline int __attribute__((hot))
eth_copy_mbuf_to_fd(struct rte_mbuf *mbuf,
struct qbman_fd *fd, uint16_t bpid)
{
struct rte_mbuf *m;
void *mb = NULL;
if (rte_dpaa2_mbuf_alloc_bulk(
rte_dpaa2_bpid_info[bpid].bp_list->mp, &mb, 1)) {
DPAA2_PMD_DP_DEBUG("Unable to allocated DPAA2 buffer\n");
return -1;
}
m = (struct rte_mbuf *)mb;
memcpy((char *)m->buf_addr + mbuf->data_off,
(void *)((char *)mbuf->buf_addr + mbuf->data_off),
mbuf->pkt_len);
/* Copy required fields */
m->data_off = mbuf->data_off;
m->ol_flags = mbuf->ol_flags;
m->packet_type = mbuf->packet_type;
m->tx_offload = mbuf->tx_offload;
DPAA2_MBUF_TO_CONTIG_FD(m, fd, bpid);
DPAA2_PMD_DP_DEBUG(
"mbuf: %p, BMAN buf addr: %p, fdaddr: %" PRIx64 ", bpid: %d,"
" meta: %d, off: %d, len: %d\n",
(void *)mbuf,
mbuf->buf_addr,
DPAA2_GET_FD_ADDR(fd),
DPAA2_GET_FD_BPID(fd),
rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size,
DPAA2_GET_FD_OFFSET(fd),
DPAA2_GET_FD_LEN(fd));
return 0;
}
/* This function assumes that caller will be keep the same value for nb_pkts
* across calls per queue, if that is not the case, better use non-prefetch
* version of rx call.
* It will return the packets as requested in previous call without honoring
* the current nb_pkts or bufs space.
*/
uint16_t
dpaa2_dev_prefetch_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
{
/* Function receive frames for a given device and VQ*/
struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)queue;
struct qbman_result *dq_storage, *dq_storage1 = NULL;
uint32_t fqid = dpaa2_q->fqid;
int ret, num_rx = 0, pull_size;
uint8_t pending, status;
struct qbman_swp *swp;
const struct qbman_fd *fd, *next_fd;
struct qbman_pull_desc pulldesc;
struct queue_storage_info_t *q_storage = dpaa2_q->q_storage;
struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data;
if (unlikely(!DPAA2_PER_LCORE_ETHRX_DPIO)) {
ret = dpaa2_affine_qbman_ethrx_swp();
if (ret) {
DPAA2_PMD_ERR("Failure in affining portal");
return 0;
}
}
if (unlikely(!rte_dpaa2_bpid_info &&
rte_eal_process_type() == RTE_PROC_SECONDARY))
rte_dpaa2_bpid_info = dpaa2_q->bp_array;
swp = DPAA2_PER_LCORE_ETHRX_PORTAL;
pull_size = (nb_pkts > dpaa2_dqrr_size) ? dpaa2_dqrr_size : nb_pkts;
if (unlikely(!q_storage->active_dqs)) {
q_storage->toggle = 0;
dq_storage = q_storage->dq_storage[q_storage->toggle];
q_storage->last_num_pkts = pull_size;
qbman_pull_desc_clear(&pulldesc);
qbman_pull_desc_set_numframes(&pulldesc,
q_storage->last_num_pkts);
qbman_pull_desc_set_fq(&pulldesc, fqid);
qbman_pull_desc_set_storage(&pulldesc, dq_storage,
(uint64_t)(DPAA2_VADDR_TO_IOVA(dq_storage)), 1);
if (check_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index)) {
while (!qbman_check_command_complete(
get_swp_active_dqs(
DPAA2_PER_LCORE_ETHRX_DPIO->index)))
;
clear_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index);
}
while (1) {
if (qbman_swp_pull(swp, &pulldesc)) {
DPAA2_PMD_DP_DEBUG("VDQ command is not issued."
" QBMAN is busy (1)\n");
/* Portal was busy, try again */
continue;
}
break;
}
q_storage->active_dqs = dq_storage;
q_storage->active_dpio_id = DPAA2_PER_LCORE_ETHRX_DPIO->index;
set_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index,
dq_storage);
}
dq_storage = q_storage->active_dqs;
rte_prefetch0((void *)(size_t)(dq_storage));
rte_prefetch0((void *)(size_t)(dq_storage + 1));
/* Prepare next pull descriptor. This will give space for the
* prefething done on DQRR entries
*/
q_storage->toggle ^= 1;
dq_storage1 = q_storage->dq_storage[q_storage->toggle];
qbman_pull_desc_clear(&pulldesc);
qbman_pull_desc_set_numframes(&pulldesc, pull_size);
qbman_pull_desc_set_fq(&pulldesc, fqid);
qbman_pull_desc_set_storage(&pulldesc, dq_storage1,
(uint64_t)(DPAA2_VADDR_TO_IOVA(dq_storage1)), 1);
/* Check if the previous issued command is completed.
* Also seems like the SWP is shared between the Ethernet Driver
* and the SEC driver.
*/
while (!qbman_check_command_complete(dq_storage))
;
if (dq_storage == get_swp_active_dqs(q_storage->active_dpio_id))
clear_swp_active_dqs(q_storage->active_dpio_id);
pending = 1;
do {
/* Loop until the dq_storage is updated with
* new token by QBMAN
*/
while (!qbman_check_new_result(dq_storage))
;
rte_prefetch0((void *)((size_t)(dq_storage + 2)));
/* Check whether Last Pull command is Expired and
* setting Condition for Loop termination
*/
if (qbman_result_DQ_is_pull_complete(dq_storage)) {
pending = 0;
/* Check for valid frame. */
status = qbman_result_DQ_flags(dq_storage);
if (unlikely((status & QBMAN_DQ_STAT_VALIDFRAME) == 0))
continue;
}
fd = qbman_result_DQ_fd(dq_storage);
if (dpaa2_svr_family != SVR_LX2160A) {
next_fd = qbman_result_DQ_fd(dq_storage + 1);
/* Prefetch Annotation address for the parse results */
rte_prefetch0((void *)(size_t)(DPAA2_GET_FD_ADDR(
next_fd) + DPAA2_FD_PTA_SIZE + 16));
}
if (unlikely(DPAA2_FD_GET_FORMAT(fd) == qbman_fd_sg))
bufs[num_rx] = eth_sg_fd_to_mbuf(fd);
else
bufs[num_rx] = eth_fd_to_mbuf(fd);
bufs[num_rx]->port = eth_data->port_id;
if (eth_data->dev_conf.rxmode.offloads &
DEV_RX_OFFLOAD_VLAN_STRIP)
rte_vlan_strip(bufs[num_rx]);
dq_storage++;
num_rx++;
} while (pending);
if (check_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index)) {
while (!qbman_check_command_complete(
get_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index)))
;
clear_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index);
}
/* issue a volatile dequeue command for next pull */
while (1) {
if (qbman_swp_pull(swp, &pulldesc)) {
DPAA2_PMD_DP_DEBUG("VDQ command is not issued."
"QBMAN is busy (2)\n");
continue;
}
break;
}
q_storage->active_dqs = dq_storage1;
q_storage->active_dpio_id = DPAA2_PER_LCORE_ETHRX_DPIO->index;
set_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index, dq_storage1);
dpaa2_q->rx_pkts += num_rx;
return num_rx;
}
void __attribute__((hot))
dpaa2_dev_process_parallel_event(struct qbman_swp *swp,
const struct qbman_fd *fd,
const struct qbman_result *dq,
struct dpaa2_queue *rxq,
struct rte_event *ev)
{
rte_prefetch0((void *)(size_t)(DPAA2_GET_FD_ADDR(fd) +
DPAA2_FD_PTA_SIZE + 16));
ev->flow_id = rxq->ev.flow_id;
ev->sub_event_type = rxq->ev.sub_event_type;
ev->event_type = RTE_EVENT_TYPE_ETHDEV;
ev->op = RTE_EVENT_OP_NEW;
ev->sched_type = rxq->ev.sched_type;
ev->queue_id = rxq->ev.queue_id;
ev->priority = rxq->ev.priority;
ev->mbuf = eth_fd_to_mbuf(fd);
qbman_swp_dqrr_consume(swp, dq);
}
void __attribute__((hot))
dpaa2_dev_process_atomic_event(struct qbman_swp *swp __attribute__((unused)),
const struct qbman_fd *fd,
const struct qbman_result *dq,
struct dpaa2_queue *rxq,
struct rte_event *ev)
{
uint8_t dqrr_index;
rte_prefetch0((void *)(size_t)(DPAA2_GET_FD_ADDR(fd) +
DPAA2_FD_PTA_SIZE + 16));
ev->flow_id = rxq->ev.flow_id;
ev->sub_event_type = rxq->ev.sub_event_type;
ev->event_type = RTE_EVENT_TYPE_ETHDEV;
ev->op = RTE_EVENT_OP_NEW;
ev->sched_type = rxq->ev.sched_type;
ev->queue_id = rxq->ev.queue_id;
ev->priority = rxq->ev.priority;
ev->mbuf = eth_fd_to_mbuf(fd);
dqrr_index = qbman_get_dqrr_idx(dq);
ev->mbuf->seqn = dqrr_index + 1;
DPAA2_PER_LCORE_DQRR_SIZE++;
DPAA2_PER_LCORE_DQRR_HELD |= 1 << dqrr_index;
DPAA2_PER_LCORE_DQRR_MBUF(dqrr_index) = ev->mbuf;
}
void __attribute__((hot))
dpaa2_dev_process_ordered_event(struct qbman_swp *swp,
const struct qbman_fd *fd,
const struct qbman_result *dq,
struct dpaa2_queue *rxq,
struct rte_event *ev)
{
rte_prefetch0((void *)(size_t)(DPAA2_GET_FD_ADDR(fd) +
DPAA2_FD_PTA_SIZE + 16));
ev->flow_id = rxq->ev.flow_id;
ev->sub_event_type = rxq->ev.sub_event_type;
ev->event_type = RTE_EVENT_TYPE_ETHDEV;
ev->op = RTE_EVENT_OP_NEW;
ev->sched_type = rxq->ev.sched_type;
ev->queue_id = rxq->ev.queue_id;
ev->priority = rxq->ev.priority;
ev->mbuf = eth_fd_to_mbuf(fd);
ev->mbuf->seqn = DPAA2_ENQUEUE_FLAG_ORP;
ev->mbuf->seqn |= qbman_result_DQ_odpid(dq) << DPAA2_EQCR_OPRID_SHIFT;
ev->mbuf->seqn |= qbman_result_DQ_seqnum(dq) << DPAA2_EQCR_SEQNUM_SHIFT;
qbman_swp_dqrr_consume(swp, dq);
}
/*
* Callback to handle sending packets through WRIOP based interface
*/
uint16_t
dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
{
/* Function to transmit the frames to given device and VQ*/
uint32_t loop, retry_count;
int32_t ret;
struct qbman_fd fd_arr[MAX_TX_RING_SLOTS];
struct rte_mbuf *mi;
uint32_t frames_to_send;
struct rte_mempool *mp;
struct qbman_eq_desc eqdesc;
struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)queue;
struct qbman_swp *swp;
uint16_t num_tx = 0;
uint16_t bpid;
struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data;
struct dpaa2_dev_priv *priv = eth_data->dev_private;
uint32_t flags[MAX_TX_RING_SLOTS] = {0};
if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
ret = dpaa2_affine_qbman_swp();
if (ret) {
DPAA2_PMD_ERR("Failure in affining portal");
return 0;
}
}
swp = DPAA2_PER_LCORE_PORTAL;
DPAA2_PMD_DP_DEBUG("===> eth_data =%p, fqid =%d\n",
eth_data, dpaa2_q->fqid);
/*Prepare enqueue descriptor*/
qbman_eq_desc_clear(&eqdesc);
qbman_eq_desc_set_no_orp(&eqdesc, DPAA2_EQ_RESP_ERR_FQ);
qbman_eq_desc_set_qd(&eqdesc, priv->qdid,
dpaa2_q->flow_id, dpaa2_q->tc_index);
/*Clear the unused FD fields before sending*/
while (nb_pkts) {
/*Check if the queue is congested*/
retry_count = 0;
while (qbman_result_SCN_state(dpaa2_q->cscn)) {
retry_count++;
/* Retry for some time before giving up */
if (retry_count > CONG_RETRY_COUNT)
goto skip_tx;
}
frames_to_send = (nb_pkts > dpaa2_eqcr_size) ?
dpaa2_eqcr_size : nb_pkts;
for (loop = 0; loop < frames_to_send; loop++) {
if ((*bufs)->seqn) {
uint8_t dqrr_index = (*bufs)->seqn - 1;
flags[loop] = QBMAN_ENQUEUE_FLAG_DCA |
dqrr_index;
DPAA2_PER_LCORE_DQRR_SIZE--;
DPAA2_PER_LCORE_DQRR_HELD &= ~(1 << dqrr_index);
(*bufs)->seqn = DPAA2_INVALID_MBUF_SEQN;
}
if (likely(RTE_MBUF_DIRECT(*bufs))) {
mp = (*bufs)->pool;
/* Check the basic scenario and set
* the FD appropriately here itself.
*/
if (likely(mp && mp->ops_index ==
priv->bp_list->dpaa2_ops_index &&
(*bufs)->nb_segs == 1 &&
rte_mbuf_refcnt_read((*bufs)) == 1)) {
if (unlikely(((*bufs)->ol_flags
& PKT_TX_VLAN_PKT) ||
(eth_data->dev_conf.txmode.offloads
& DEV_TX_OFFLOAD_VLAN_INSERT))) {
ret = rte_vlan_insert(bufs);
if (ret)
goto send_n_return;
}
DPAA2_MBUF_TO_CONTIG_FD((*bufs),
&fd_arr[loop], mempool_to_bpid(mp));
bufs++;
continue;
}
} else {
mi = rte_mbuf_from_indirect(*bufs);
mp = mi->pool;
}
/* Not a hw_pkt pool allocated frame */
if (unlikely(!mp || !priv->bp_list)) {
DPAA2_PMD_ERR("Err: No buffer pool attached");
goto send_n_return;
}
if (unlikely(((*bufs)->ol_flags & PKT_TX_VLAN_PKT) ||
(eth_data->dev_conf.txmode.offloads
& DEV_TX_OFFLOAD_VLAN_INSERT))) {
int ret = rte_vlan_insert(bufs);
if (ret)
goto send_n_return;
}
if (mp->ops_index != priv->bp_list->dpaa2_ops_index) {
DPAA2_PMD_WARN("Non DPAA2 buffer pool");
/* alloc should be from the default buffer pool
* attached to this interface
*/
bpid = priv->bp_list->buf_pool.bpid;
if (unlikely((*bufs)->nb_segs > 1)) {
DPAA2_PMD_ERR("S/G support not added"
" for non hw offload buffer");
goto send_n_return;
}
if (eth_copy_mbuf_to_fd(*bufs,
&fd_arr[loop], bpid)) {
goto send_n_return;
}
/* free the original packet */
rte_pktmbuf_free(*bufs);
} else {
bpid = mempool_to_bpid(mp);
if (unlikely((*bufs)->nb_segs > 1)) {
if (eth_mbuf_to_sg_fd(*bufs,
&fd_arr[loop], bpid))
goto send_n_return;
} else {
eth_mbuf_to_fd(*bufs,
&fd_arr[loop], bpid);
}
}
bufs++;
}
loop = 0;
while (loop < frames_to_send) {
loop += qbman_swp_enqueue_multiple(swp, &eqdesc,
&fd_arr[loop], &flags[loop],
frames_to_send - loop);
}
num_tx += frames_to_send;
nb_pkts -= frames_to_send;
}
dpaa2_q->tx_pkts += num_tx;
return num_tx;
send_n_return:
/* send any already prepared fd */
if (loop) {
unsigned int i = 0;
while (i < loop) {
i += qbman_swp_enqueue_multiple(swp, &eqdesc,
&fd_arr[i],
&flags[loop],
loop - i);
}
num_tx += loop;
}
skip_tx:
dpaa2_q->tx_pkts += num_tx;
return num_tx;
}
void
dpaa2_dev_free_eqresp_buf(uint16_t eqresp_ci)
{
struct dpaa2_dpio_dev *dpio_dev = DPAA2_PER_LCORE_DPIO;
struct qbman_fd *fd;
struct rte_mbuf *m;
fd = qbman_result_eqresp_fd(&dpio_dev->eqresp[eqresp_ci]);
m = eth_fd_to_mbuf(fd);
rte_pktmbuf_free(m);
}
static void
dpaa2_set_enqueue_descriptor(struct dpaa2_queue *dpaa2_q,
struct rte_mbuf *m,
struct qbman_eq_desc *eqdesc)
{
struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data;
struct dpaa2_dev_priv *priv = eth_data->dev_private;
struct dpaa2_dpio_dev *dpio_dev = DPAA2_PER_LCORE_DPIO;
struct eqresp_metadata *eqresp_meta;
uint16_t orpid, seqnum;
uint8_t dq_idx;
qbman_eq_desc_set_qd(eqdesc, priv->qdid, dpaa2_q->flow_id,
dpaa2_q->tc_index);
if (m->seqn & DPAA2_ENQUEUE_FLAG_ORP) {
orpid = (m->seqn & DPAA2_EQCR_OPRID_MASK) >>
DPAA2_EQCR_OPRID_SHIFT;
seqnum = (m->seqn & DPAA2_EQCR_SEQNUM_MASK) >>
DPAA2_EQCR_SEQNUM_SHIFT;
if (!priv->en_loose_ordered) {
qbman_eq_desc_set_orp(eqdesc, 1, orpid, seqnum, 0);
qbman_eq_desc_set_response(eqdesc, (uint64_t)
DPAA2_VADDR_TO_IOVA(&dpio_dev->eqresp[
dpio_dev->eqresp_pi]), 1);
qbman_eq_desc_set_token(eqdesc, 1);
eqresp_meta = &dpio_dev->eqresp_meta[
dpio_dev->eqresp_pi];
eqresp_meta->dpaa2_q = dpaa2_q;
eqresp_meta->mp = m->pool;
dpio_dev->eqresp_pi + 1 < MAX_EQ_RESP_ENTRIES ?
dpio_dev->eqresp_pi++ :
(dpio_dev->eqresp_pi = 0);
} else {
qbman_eq_desc_set_orp(eqdesc, 0, orpid, seqnum, 0);
}
} else {
dq_idx = m->seqn - 1;
qbman_eq_desc_set_dca(eqdesc, 1, dq_idx, 0);
DPAA2_PER_LCORE_DQRR_SIZE--;
DPAA2_PER_LCORE_DQRR_HELD &= ~(1 << dq_idx);
}
m->seqn = DPAA2_INVALID_MBUF_SEQN;
}
/* Callback to handle sending ordered packets through WRIOP based interface */
uint16_t
dpaa2_dev_tx_ordered(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
{
/* Function to transmit the frames to given device and VQ*/
struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)queue;
struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data;
struct dpaa2_dev_priv *priv = eth_data->dev_private;
struct dpaa2_queue *order_sendq = (struct dpaa2_queue *)priv->tx_vq[0];
struct qbman_fd fd_arr[MAX_TX_RING_SLOTS];
struct rte_mbuf *mi;
struct rte_mempool *mp;
struct qbman_eq_desc eqdesc[MAX_TX_RING_SLOTS];
struct qbman_swp *swp;
uint32_t frames_to_send, num_free_eq_desc;
uint32_t loop, retry_count;
int32_t ret;
uint16_t num_tx = 0;
uint16_t bpid;
if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
ret = dpaa2_affine_qbman_swp();
if (ret) {
DPAA2_PMD_ERR("Failure in affining portal");
return 0;
}
}
swp = DPAA2_PER_LCORE_PORTAL;
DPAA2_PMD_DP_DEBUG("===> eth_data =%p, fqid =%d\n",
eth_data, dpaa2_q->fqid);
/* This would also handle normal and atomic queues as any type
* of packet can be enqueued when ordered queues are being used.
*/
while (nb_pkts) {
/*Check if the queue is congested*/
retry_count = 0;
while (qbman_result_SCN_state(dpaa2_q->cscn)) {
retry_count++;
/* Retry for some time before giving up */
if (retry_count > CONG_RETRY_COUNT)
goto skip_tx;
}
frames_to_send = (nb_pkts > dpaa2_eqcr_size) ?
dpaa2_eqcr_size : nb_pkts;
if (!priv->en_loose_ordered) {
if ((*bufs)->seqn & DPAA2_ENQUEUE_FLAG_ORP) {
num_free_eq_desc = dpaa2_free_eq_descriptors();
if (num_free_eq_desc < frames_to_send)
frames_to_send = num_free_eq_desc;
}
}
for (loop = 0; loop < frames_to_send; loop++) {
/*Prepare enqueue descriptor*/
qbman_eq_desc_clear(&eqdesc[loop]);
if ((*bufs)->seqn) {
/* Use only queue 0 for Tx in case of atomic/
* ordered packets as packets can get unordered
* when being tranmitted out from the interface
*/
dpaa2_set_enqueue_descriptor(order_sendq,
(*bufs),
&eqdesc[loop]);
} else {
qbman_eq_desc_set_no_orp(&eqdesc[loop],
DPAA2_EQ_RESP_ERR_FQ);
qbman_eq_desc_set_qd(&eqdesc[loop], priv->qdid,
dpaa2_q->flow_id,
dpaa2_q->tc_index);
}
if (likely(RTE_MBUF_DIRECT(*bufs))) {
mp = (*bufs)->pool;
/* Check the basic scenario and set
* the FD appropriately here itself.
*/
if (likely(mp && mp->ops_index ==
priv->bp_list->dpaa2_ops_index &&
(*bufs)->nb_segs == 1 &&
rte_mbuf_refcnt_read((*bufs)) == 1)) {
if (unlikely((*bufs)->ol_flags
& PKT_TX_VLAN_PKT)) {
ret = rte_vlan_insert(bufs);
if (ret)
goto send_n_return;
}
DPAA2_MBUF_TO_CONTIG_FD((*bufs),
&fd_arr[loop],
mempool_to_bpid(mp));
bufs++;
continue;
}
} else {
mi = rte_mbuf_from_indirect(*bufs);
mp = mi->pool;
}
/* Not a hw_pkt pool allocated frame */
if (unlikely(!mp || !priv->bp_list)) {
DPAA2_PMD_ERR("Err: No buffer pool attached");
goto send_n_return;
}
if (mp->ops_index != priv->bp_list->dpaa2_ops_index) {
DPAA2_PMD_WARN("Non DPAA2 buffer pool");
/* alloc should be from the default buffer pool
* attached to this interface
*/
bpid = priv->bp_list->buf_pool.bpid;
if (unlikely((*bufs)->nb_segs > 1)) {
DPAA2_PMD_ERR(
"S/G not supp for non hw offload buffer");
goto send_n_return;
}
if (eth_copy_mbuf_to_fd(*bufs,
&fd_arr[loop], bpid)) {
goto send_n_return;
}
/* free the original packet */
rte_pktmbuf_free(*bufs);
} else {
bpid = mempool_to_bpid(mp);
if (unlikely((*bufs)->nb_segs > 1)) {
if (eth_mbuf_to_sg_fd(*bufs,
&fd_arr[loop],
bpid))
goto send_n_return;
} else {
eth_mbuf_to_fd(*bufs,
&fd_arr[loop], bpid);
}
}
bufs++;
}
loop = 0;
while (loop < frames_to_send) {
loop += qbman_swp_enqueue_multiple_desc(swp,
&eqdesc[loop], &fd_arr[loop],
frames_to_send - loop);
}
num_tx += frames_to_send;
nb_pkts -= frames_to_send;
}
dpaa2_q->tx_pkts += num_tx;
return num_tx;
send_n_return:
/* send any already prepared fd */
if (loop) {
unsigned int i = 0;
while (i < loop) {
i += qbman_swp_enqueue_multiple_desc(swp, &eqdesc[loop],
&fd_arr[i], loop - i);
}
num_tx += loop;
}
skip_tx:
dpaa2_q->tx_pkts += num_tx;
return num_tx;
}
/**
* Dummy DPDK callback for TX.
*
* This function is used to temporarily replace the real callback during
* unsafe control operations on the queue, or in case of error.
*
* @param dpdk_txq
* Generic pointer to TX queue structure.
* @param[in] pkts
* Packets to transmit.
* @param pkts_n
* Number of packets in array.
*
* @return
* Number of packets successfully transmitted (<= pkts_n).
*/
uint16_t
dummy_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
{
(void)queue;
(void)bufs;
(void)nb_pkts;
return 0;
}
#if defined(RTE_TOOLCHAIN_GCC)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
#elif defined(RTE_TOOLCHAIN_CLANG)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wcast-qual"
#endif
/* This function loopbacks all the received packets.*/
uint16_t
dpaa2_dev_loopback_rx(void *queue,
struct rte_mbuf **bufs __rte_unused,
uint16_t nb_pkts)
{
/* Function receive frames for a given device and VQ*/
struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)queue;
struct qbman_result *dq_storage, *dq_storage1 = NULL;
uint32_t fqid = dpaa2_q->fqid;
int ret, num_rx = 0, num_tx = 0, pull_size;
uint8_t pending, status;
struct qbman_swp *swp;
struct qbman_fd *fd[DPAA2_LX2_DQRR_RING_SIZE];
struct qbman_pull_desc pulldesc;
struct qbman_eq_desc eqdesc;
struct queue_storage_info_t *q_storage = dpaa2_q->q_storage;
struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data;
struct dpaa2_dev_priv *priv = eth_data->dev_private;
struct dpaa2_queue *tx_q = priv->tx_vq[0];
/* todo - currently we are using 1st TX queue only for loopback*/
if (unlikely(!DPAA2_PER_LCORE_ETHRX_DPIO)) {
ret = dpaa2_affine_qbman_ethrx_swp();
if (ret) {
DPAA2_PMD_ERR("Failure in affining portal");
return 0;
}
}
swp = DPAA2_PER_LCORE_ETHRX_PORTAL;
pull_size = (nb_pkts > dpaa2_dqrr_size) ? dpaa2_dqrr_size : nb_pkts;
if (unlikely(!q_storage->active_dqs)) {
q_storage->toggle = 0;
dq_storage = q_storage->dq_storage[q_storage->toggle];
q_storage->last_num_pkts = pull_size;
qbman_pull_desc_clear(&pulldesc);
qbman_pull_desc_set_numframes(&pulldesc,
q_storage->last_num_pkts);
qbman_pull_desc_set_fq(&pulldesc, fqid);
qbman_pull_desc_set_storage(&pulldesc, dq_storage,
(size_t)(DPAA2_VADDR_TO_IOVA(dq_storage)), 1);
if (check_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index)) {
while (!qbman_check_command_complete(
get_swp_active_dqs(
DPAA2_PER_LCORE_ETHRX_DPIO->index)))
;
clear_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index);
}
while (1) {
if (qbman_swp_pull(swp, &pulldesc)) {
DPAA2_PMD_DP_DEBUG(
"VDQ command not issued.QBMAN busy\n");
/* Portal was busy, try again */
continue;
}
break;
}
q_storage->active_dqs = dq_storage;
q_storage->active_dpio_id = DPAA2_PER_LCORE_ETHRX_DPIO->index;
set_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index,
dq_storage);
}
dq_storage = q_storage->active_dqs;
rte_prefetch0((void *)(size_t)(dq_storage));
rte_prefetch0((void *)(size_t)(dq_storage + 1));
/* Prepare next pull descriptor. This will give space for the
* prefething done on DQRR entries
*/
q_storage->toggle ^= 1;
dq_storage1 = q_storage->dq_storage[q_storage->toggle];
qbman_pull_desc_clear(&pulldesc);
qbman_pull_desc_set_numframes(&pulldesc, pull_size);
qbman_pull_desc_set_fq(&pulldesc, fqid);
qbman_pull_desc_set_storage(&pulldesc, dq_storage1,
(size_t)(DPAA2_VADDR_TO_IOVA(dq_storage1)), 1);
/*Prepare enqueue descriptor*/
qbman_eq_desc_clear(&eqdesc);
qbman_eq_desc_set_no_orp(&eqdesc, DPAA2_EQ_RESP_ERR_FQ);
qbman_eq_desc_set_response(&eqdesc, 0, 0);
qbman_eq_desc_set_fq(&eqdesc, tx_q->fqid);
/* Check if the previous issued command is completed.
* Also seems like the SWP is shared between the Ethernet Driver
* and the SEC driver.
*/
while (!qbman_check_command_complete(dq_storage))
;
if (dq_storage == get_swp_active_dqs(q_storage->active_dpio_id))
clear_swp_active_dqs(q_storage->active_dpio_id);
pending = 1;
do {
/* Loop until the dq_storage is updated with
* new token by QBMAN
*/
while (!qbman_check_new_result(dq_storage))
;
rte_prefetch0((void *)((size_t)(dq_storage + 2)));
/* Check whether Last Pull command is Expired and
* setting Condition for Loop termination
*/
if (qbman_result_DQ_is_pull_complete(dq_storage)) {
pending = 0;
/* Check for valid frame. */
status = qbman_result_DQ_flags(dq_storage);
if (unlikely((status & QBMAN_DQ_STAT_VALIDFRAME) == 0))
continue;
}
fd[num_rx] = (struct qbman_fd *)qbman_result_DQ_fd(dq_storage);
dq_storage++;
num_rx++;
} while (pending);
while (num_tx < num_rx) {
num_tx += qbman_swp_enqueue_multiple_fd(swp, &eqdesc,
&fd[num_tx], 0, num_rx - num_tx);
}
if (check_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index)) {
while (!qbman_check_command_complete(
get_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index)))
;
clear_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index);
}
/* issue a volatile dequeue command for next pull */
while (1) {
if (qbman_swp_pull(swp, &pulldesc)) {
DPAA2_PMD_DP_DEBUG("VDQ command is not issued."
"QBMAN is busy (2)\n");
continue;
}
break;
}
q_storage->active_dqs = dq_storage1;
q_storage->active_dpio_id = DPAA2_PER_LCORE_ETHRX_DPIO->index;
set_swp_active_dqs(DPAA2_PER_LCORE_ETHRX_DPIO->index, dq_storage1);
dpaa2_q->rx_pkts += num_rx;
dpaa2_q->tx_pkts += num_tx;
return 0;
}
#if defined(RTE_TOOLCHAIN_GCC)
#pragma GCC diagnostic pop
#elif defined(RTE_TOOLCHAIN_CLANG)
#pragma clang diagnostic pop
#endif
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