/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
- * Copyright 2016-2018 NXP
+ * Copyright 2016-2019 NXP
*
*/
DPAA2_SET_FD_LEN(fd, mbuf->pkt_len);
DPAA2_SET_ONLY_FD_BPID(fd, bpid);
DPAA2_SET_FD_OFFSET(fd, temp->data_off);
- DPAA2_SET_FD_ASAL(fd, DPAA2_ASAL_VAL);
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))
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 *dev = dpaa2_q->dev;
+ struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data;
if (unlikely(!DPAA2_PER_LCORE_ETHRX_DPIO)) {
ret = dpaa2_affine_qbman_ethrx_swp();
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)) {
bufs[num_rx] = eth_sg_fd_to_mbuf(fd);
else
bufs[num_rx] = eth_fd_to_mbuf(fd);
- bufs[num_rx]->port = dev->data->port_id;
+ bufs[num_rx]->port = eth_data->port_id;
- if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
+ if (eth_data->dev_conf.rxmode.offloads &
+ DEV_RX_OFFLOAD_VLAN_STRIP)
rte_vlan_strip(bufs[num_rx]);
dq_storage++;
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);
+}
+
+uint16_t
+dpaa2_dev_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;
+ uint32_t fqid = dpaa2_q->fqid;
+ int ret, num_rx = 0, next_pull = nb_pkts, num_pulled;
+ uint8_t pending, status;
+ struct qbman_swp *swp;
+ const struct qbman_fd *fd, *next_fd;
+ struct qbman_pull_desc pulldesc;
+ struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data;
+
+ if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
+ ret = dpaa2_affine_qbman_swp();
+ if (ret) {
+ DPAA2_PMD_ERR("Failure in affining portal\n");
+ return 0;
+ }
+ }
+ swp = DPAA2_PER_LCORE_PORTAL;
+
+ do {
+ dq_storage = dpaa2_q->q_storage->dq_storage[0];
+ qbman_pull_desc_clear(&pulldesc);
+ 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 (next_pull > dpaa2_dqrr_size) {
+ qbman_pull_desc_set_numframes(&pulldesc,
+ dpaa2_dqrr_size);
+ next_pull -= dpaa2_dqrr_size;
+ } else {
+ qbman_pull_desc_set_numframes(&pulldesc, next_pull);
+ next_pull = 0;
+ }
+
+ while (1) {
+ if (qbman_swp_pull(swp, &pulldesc)) {
+ DPAA2_PMD_DP_DEBUG(
+ "VDQ command is not issued.QBMAN is busy\n");
+ /* Portal was busy, try again */
+ continue;
+ }
+ break;
+ }
+
+ rte_prefetch0((void *)((size_t)(dq_storage + 1)));
+ /* Check if the previous issued command is completed. */
+ while (!qbman_check_command_complete(dq_storage))
+ ;
+
+ num_pulled = 0;
+ 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);
+
+ 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++;
+ num_pulled++;
+ } while (pending);
+ /* Last VDQ provided all packets and more packets are requested */
+ } while (next_pull && num_pulled == dpaa2_dqrr_size);
+
+ dpaa2_q->rx_pkts += num_rx;
+
+ return num_rx;
+}
+
+uint16_t dpaa2_dev_tx_conf(void *queue)
+{
+ /* Function receive frames for a given device and VQ */
+ struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)queue;
+ struct qbman_result *dq_storage;
+ uint32_t fqid = dpaa2_q->fqid;
+ int ret, num_tx_conf = 0, num_pulled;
+ uint8_t pending, status;
+ struct qbman_swp *swp;
+ const struct qbman_fd *fd, *next_fd;
+ struct qbman_pull_desc pulldesc;
+ struct qbman_release_desc releasedesc;
+ uint32_t bpid;
+ uint64_t buf;
+
+ if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
+ ret = dpaa2_affine_qbman_swp();
+ if (ret) {
+ DPAA2_PMD_ERR("Failure in affining portal\n");
+ return 0;
+ }
+ }
+ swp = DPAA2_PER_LCORE_PORTAL;
+
+ do {
+ dq_storage = dpaa2_q->q_storage->dq_storage[0];
+ qbman_pull_desc_clear(&pulldesc);
+ qbman_pull_desc_set_fq(&pulldesc, fqid);
+ qbman_pull_desc_set_storage(&pulldesc, dq_storage,
+ (size_t)(DPAA2_VADDR_TO_IOVA(dq_storage)), 1);
+
+ qbman_pull_desc_set_numframes(&pulldesc, dpaa2_dqrr_size);
+
+ while (1) {
+ if (qbman_swp_pull(swp, &pulldesc)) {
+ DPAA2_PMD_DP_DEBUG("VDQ command is not issued."
+ "QBMAN is busy\n");
+ /* Portal was busy, try again */
+ continue;
+ }
+ break;
+ }
+
+ rte_prefetch0((void *)((size_t)(dq_storage + 1)));
+ /* Check if the previous issued command is completed. */
+ while (!qbman_check_command_complete(dq_storage))
+ ;
+
+ num_pulled = 0;
+ 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);
+
+ 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));
+
+ bpid = DPAA2_GET_FD_BPID(fd);
+
+ /* Create a release descriptor required for releasing
+ * buffers into QBMAN
+ */
+ qbman_release_desc_clear(&releasedesc);
+ qbman_release_desc_set_bpid(&releasedesc, bpid);
+
+ buf = DPAA2_GET_FD_ADDR(fd);
+ /* feed them to bman */
+ do {
+ ret = qbman_swp_release(swp, &releasedesc,
+ &buf, 1);
+ } while (ret == -EBUSY);
+
+ dq_storage++;
+ num_tx_conf++;
+ num_pulled++;
+ } while (pending);
+
+ /* Last VDQ provided all packets and more packets are requested */
+ } while (num_pulled == dpaa2_dqrr_size);
+
+ dpaa2_q->rx_pkts += num_tx_conf;
+
+ return num_tx_conf;
+}
+
/*
* Callback to handle sending packets through WRIOP based interface
*/
struct qbman_swp *swp;
uint16_t num_tx = 0;
uint16_t bpid;
- struct rte_eth_dev *dev = dpaa2_q->dev;
- struct dpaa2_dev_priv *priv = dev->data->dev_private;
+ 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)) {
}
swp = DPAA2_PER_LCORE_PORTAL;
- DPAA2_PMD_DP_DEBUG("===> dev =%p, fqid =%d\n", dev, dpaa2_q->fqid);
+ 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);
+ qbman_eq_desc_set_fq(&eqdesc, dpaa2_q->fqid);
+
/*Clear the unused FD fields before sending*/
while (nb_pkts) {
/*Check if the queue is congested*/
rte_mbuf_refcnt_read((*bufs)) == 1)) {
if (unlikely(((*bufs)->ol_flags
& PKT_TX_VLAN_PKT) ||
- (dev->data->dev_conf.txmode.offloads
+ (eth_data->dev_conf.txmode.offloads
& DEV_TX_OFFLOAD_VLAN_INSERT))) {
ret = rte_vlan_insert(bufs);
if (ret)
}
if (unlikely(((*bufs)->ol_flags & PKT_TX_VLAN_PKT) ||
- (dev->data->dev_conf.txmode.offloads
+ (eth_data->dev_conf.txmode.offloads
& DEV_TX_OFFLOAD_VLAN_INSERT))) {
int ret = rte_vlan_insert(bufs);
if (ret)
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_fq(eqdesc, dpaa2_q->fqid);
+
+ 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_fq(&eqdesc[loop],
+ dpaa2_q->fqid);
+ }
+
+ 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.
*
(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
git.droids-corp.org / dpdk.git / blobdiff