X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fdpaa2%2Fdpaa2_rxtx.c;h=e4bf14a0caa639efd01d738efdf13439ad96368e;hb=a1f3a12cd570b9ecb33aef46eb5b1c5930d21a81;hp=c5d49cbef9533b080e18474d38f2d24293ca970b;hpb=0325150fd21f8d562cfd726e3c6f4a2ad6c77b1c;p=dpdk.git diff --git a/drivers/net/dpaa2/dpaa2_rxtx.c b/drivers/net/dpaa2/dpaa2_rxtx.c index c5d49cbef9..e4bf14a0ca 100644 --- a/drivers/net/dpaa2/dpaa2_rxtx.c +++ b/drivers/net/dpaa2/dpaa2_rxtx.c @@ -171,7 +171,7 @@ eth_fd_to_mbuf(const struct qbman_fd *fd) return mbuf; } -static void __attribute__ ((noinline)) __attribute__((hot)) +static void __rte_noinline __attribute__((hot)) eth_mbuf_to_fd(struct rte_mbuf *mbuf, struct qbman_fd *fd, uint16_t bpid) { @@ -242,17 +242,18 @@ eth_copy_mbuf_to_fd(struct rte_mbuf *mbuf, } 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)) { @@ -263,44 +264,51 @@ dpaa2_dev_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) } } 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 */ @@ -311,27 +319,53 @@ dpaa2_dev_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) 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]); + + 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; } @@ -375,6 +409,10 @@ dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) /*Clear the unused FD fields before sending*/ while (nb_pkts) { + /*Check if the queue is congested*/ + if (qbman_result_SCN_state_in_mem(dpaa2_q->cscn)) + goto skip_tx; + frames_to_send = (nb_pkts >> 3) ? MAX_TX_RING_SLOTS : nb_pkts; for (loop = 0; loop < frames_to_send; loop++) { @@ -420,3 +458,28 @@ dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) skip_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; +}