}
uint16_t
-dpaa2_dev_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
+dpaa2_dev_prefetch_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
{
- /* Function is responsible to receive frames for a given device and VQ*/
+ /* 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;
uint8_t is_last = 0, status;
struct qbman_swp *swp;
- const struct qbman_fd *fd;
+ const struct qbman_fd *fd[DPAA2_DQRR_RING_SIZE];
struct qbman_pull_desc pulldesc;
+ struct queue_storage_info_t *q_storage = dpaa2_q->q_storage;
struct rte_eth_dev *dev = dpaa2_q->dev;
if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
}
}
swp = DPAA2_PER_LCORE_PORTAL;
- dq_storage = dpaa2_q->q_storage->dq_storage[0];
-
- qbman_pull_desc_clear(&pulldesc);
- qbman_pull_desc_set_numframes(&pulldesc,
- (nb_pkts > DPAA2_DQRR_RING_SIZE) ?
- DPAA2_DQRR_RING_SIZE : nb_pkts);
- qbman_pull_desc_set_fq(&pulldesc, fqid);
- /* todo optimization - we can have dq_storage_phys available*/
- qbman_pull_desc_set_storage(&pulldesc, dq_storage,
+ if (!q_storage->active_dqs) {
+ q_storage->toggle = 0;
+ dq_storage = q_storage->dq_storage[q_storage->toggle];
+ qbman_pull_desc_clear(&pulldesc);
+ qbman_pull_desc_set_numframes(&pulldesc,
+ (nb_pkts > DPAA2_DQRR_RING_SIZE) ?
+ DPAA2_DQRR_RING_SIZE : nb_pkts);
+ qbman_pull_desc_set_fq(&pulldesc, fqid);
+ qbman_pull_desc_set_storage(&pulldesc, dq_storage,
(dma_addr_t)(DPAA2_VADDR_TO_IOVA(dq_storage)), 1);
-
- /*Issue a volatile dequeue command. */
- while (1) {
- if (qbman_swp_pull(swp, &pulldesc)) {
- PMD_RX_LOG(ERR, "VDQ command is not issued."
- "QBMAN is busy\n");
- /* Portal was busy, try again */
- continue;
+ if (check_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index)) {
+ while (!qbman_check_command_complete(swp,
+ get_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index)))
+ ;
+ clear_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index);
}
- break;
- };
-
- /* Receive the packets till Last Dequeue entry is found with
- * respect to the above issues PULL command.
+ while (1) {
+ if (qbman_swp_pull(swp, &pulldesc)) {
+ PMD_RX_LOG(WARNING, "VDQ command is not issued."
+ "QBMAN is busy\n");
+ /* Portal was busy, try again */
+ continue;
+ }
+ break;
+ }
+ q_storage->active_dqs = dq_storage;
+ q_storage->active_dpio_id = DPAA2_PER_LCORE_DPIO->index;
+ set_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index, dq_storage);
+ }
+ dq_storage = q_storage->active_dqs;
+ /* 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(swp, dq_storage))
+ ;
+ if (dq_storage == get_swp_active_dqs(q_storage->active_dpio_id))
+ clear_swp_active_dqs(q_storage->active_dpio_id);
while (!is_last) {
- struct rte_mbuf *mbuf;
- /*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(swp, dq_storage))
- ;
/* Loop until the dq_storage is updated with
* new token by QBMAN
*/
while (!qbman_result_has_new_result(swp, dq_storage))
;
+ rte_prefetch0((void *)((uint64_t)(dq_storage + 1)));
/* Check whether Last Pull command is Expired and
* setting Condition for Loop termination
*/
if (unlikely((status & QBMAN_DQ_STAT_VALIDFRAME) == 0))
continue;
}
+ fd[num_rx] = qbman_result_DQ_fd(dq_storage);
- fd = qbman_result_DQ_fd(dq_storage);
- mbuf = (struct rte_mbuf *)DPAA2_IOVA_TO_VADDR(
- DPAA2_GET_FD_ADDR(fd)
- - rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size);
- /* Prefeth mbuf */
- rte_prefetch0(mbuf);
/* Prefetch Annotation address for the parse results */
- rte_prefetch0((void *)((uint64_t)DPAA2_GET_FD_ADDR(fd)
- + DPAA2_FD_PTA_SIZE + 16));
+ rte_prefetch0((void *)((uint64_t)DPAA2_GET_FD_ADDR(fd[num_rx])
+ + DPAA2_FD_PTA_SIZE + 16));
- bufs[num_rx] = eth_fd_to_mbuf(fd);
+ bufs[num_rx] = eth_fd_to_mbuf(fd[num_rx]);
bufs[num_rx]->port = dev->data->port_id;
+ if (dev->data->dev_conf.rxmode.hw_vlan_strip)
+ rte_vlan_strip(bufs[num_rx]);
- num_rx++;
dq_storage++;
- } /* End of Packet Rx loop */
+ num_rx++;
+ }
+
+ if (check_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index)) {
+ while (!qbman_check_command_complete(swp,
+ get_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index)))
+ ;
+ clear_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index);
+ }
+ q_storage->toggle ^= 1;
+ dq_storage = q_storage->dq_storage[q_storage->toggle];
+ qbman_pull_desc_clear(&pulldesc);
+ qbman_pull_desc_set_numframes(&pulldesc, DPAA2_DQRR_RING_SIZE);
+ qbman_pull_desc_set_fq(&pulldesc, fqid);
+ qbman_pull_desc_set_storage(&pulldesc, dq_storage,
+ (dma_addr_t)(DPAA2_VADDR_TO_IOVA(dq_storage)), 1);
+ /* Issue a volatile dequeue command. */
+ while (1) {
+ if (qbman_swp_pull(swp, &pulldesc)) {
+ PMD_RX_LOG(WARNING, "VDQ command is not issued."
+ "QBMAN is busy\n");
+ continue;
+ }
+ break;
+ }
+ q_storage->active_dqs = dq_storage;
+ q_storage->active_dpio_id = DPAA2_PER_LCORE_DPIO->index;
+ set_swp_active_dqs(DPAA2_PER_LCORE_DPIO->index, dq_storage);
dpaa2_q->rx_pkts += num_rx;
- /*Return the total number of packets received to DPAA2 app*/
+ /* Return the total number of packets received to DPAA2 app */
return num_rx;
}
git.droids-corp.org / dpdk.git / blobdiff