net/thunderx: add device start/stop and close
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com> Signed-off-by: Maciej Czekaj <maciej.czekaj@caviumnetworks.com> Signed-off-by: Kamil Rytarowski <kamil.rytarowski@caviumnetworks.com> Signed-off-by: Zyta Szpak <zyta.szpak@semihalf.com> Signed-off-by: Slawomir Rosek <slawomir.rosek@semihalf.com> Signed-off-by: Radoslaw Biernacki <rad@semihalf.com>
This commit is contained in:
Jerin Jacob
Bruce Richardson
parent
fc1f6c62b6
commit
7413feee66
@ -69,6 +69,8 @@
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#include "nicvf_rxtx.h"
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#include "nicvf_logs.h"
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static void nicvf_dev_stop(struct rte_eth_dev *dev);
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static inline int
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nicvf_atomic_write_link_status(struct rte_eth_dev *dev,
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struct rte_eth_link *link)
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@ -534,6 +536,82 @@ nicvf_qset_sq_alloc(struct nicvf *nic, struct nicvf_txq *sq, uint16_t qidx,
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return 0;
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}
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static int
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nicvf_qset_rbdr_alloc(struct nicvf *nic, uint32_t desc_cnt, uint32_t buffsz)
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{
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struct nicvf_rbdr *rbdr;
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const struct rte_memzone *rz;
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uint32_t ring_size;
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assert(nic->rbdr == NULL);
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rbdr = rte_zmalloc_socket("rbdr", sizeof(struct nicvf_rbdr),
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RTE_CACHE_LINE_SIZE, nic->node);
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if (rbdr == NULL) {
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PMD_INIT_LOG(ERR, "Failed to allocate mem for rbdr");
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return -ENOMEM;
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}
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ring_size = sizeof(struct rbdr_entry_t) * desc_cnt;
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rz = rte_eth_dma_zone_reserve(nic->eth_dev, "rbdr", 0, ring_size,
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NICVF_RBDR_BASE_ALIGN_BYTES, nic->node);
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if (rz == NULL) {
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PMD_INIT_LOG(ERR, "Failed to allocate mem for rbdr desc ring");
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return -ENOMEM;
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}
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memset(rz->addr, 0, ring_size);
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rbdr->phys = rz->phys_addr;
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rbdr->tail = 0;
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rbdr->next_tail = 0;
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rbdr->desc = rz->addr;
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rbdr->buffsz = buffsz;
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rbdr->qlen_mask = desc_cnt - 1;
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rbdr->rbdr_status =
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nicvf_qset_base(nic, 0) + NIC_QSET_RBDR_0_1_STATUS0;
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rbdr->rbdr_door =
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nicvf_qset_base(nic, 0) + NIC_QSET_RBDR_0_1_DOOR;
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nic->rbdr = rbdr;
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return 0;
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}
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static void
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nicvf_rbdr_release_mbuf(struct nicvf *nic, nicvf_phys_addr_t phy)
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{
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uint16_t qidx;
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void *obj;
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struct nicvf_rxq *rxq;
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for (qidx = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++) {
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rxq = nic->eth_dev->data->rx_queues[qidx];
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if (rxq->precharge_cnt) {
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obj = (void *)nicvf_mbuff_phy2virt(phy,
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rxq->mbuf_phys_off);
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rte_mempool_put(rxq->pool, obj);
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rxq->precharge_cnt--;
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break;
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}
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}
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}
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static inline void
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nicvf_rbdr_release_mbufs(struct nicvf *nic)
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{
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uint32_t qlen_mask, head;
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struct rbdr_entry_t *entry;
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struct nicvf_rbdr *rbdr = nic->rbdr;
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qlen_mask = rbdr->qlen_mask;
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head = rbdr->head;
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while (head != rbdr->tail) {
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entry = rbdr->desc + head;
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nicvf_rbdr_release_mbuf(nic, entry->full_addr);
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head++;
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head = head & qlen_mask;
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}
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}
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static inline void
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nicvf_tx_queue_release_mbufs(struct nicvf_txq *txq)
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{
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@ -629,6 +707,31 @@ nicvf_configure_cpi(struct rte_eth_dev *dev)
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return ret;
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}
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static inline int
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nicvf_configure_rss(struct rte_eth_dev *dev)
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{
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struct nicvf *nic = nicvf_pmd_priv(dev);
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uint64_t rsshf;
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int ret = -EINVAL;
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rsshf = nicvf_rss_ethdev_to_nic(nic,
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dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf);
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PMD_DRV_LOG(INFO, "mode=%d rx_queues=%d loopback=%d rsshf=0x%" PRIx64,
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dev->data->dev_conf.rxmode.mq_mode,
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nic->eth_dev->data->nb_rx_queues,
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nic->eth_dev->data->dev_conf.lpbk_mode, rsshf);
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if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_NONE)
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ret = nicvf_rss_term(nic);
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else if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_RSS)
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ret = nicvf_rss_config(nic,
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nic->eth_dev->data->nb_rx_queues, rsshf);
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if (ret)
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PMD_INIT_LOG(ERR, "Failed to configure RSS %d", ret);
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return ret;
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}
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static int
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nicvf_configure_rss_reta(struct rte_eth_dev *dev)
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{
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@ -673,6 +776,48 @@ nicvf_dev_tx_queue_release(void *sq)
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}
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}
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static void
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nicvf_set_tx_function(struct rte_eth_dev *dev)
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{
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struct nicvf_txq *txq;
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size_t i;
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bool multiseg = false;
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for (i = 0; i < dev->data->nb_tx_queues; i++) {
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txq = dev->data->tx_queues[i];
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if ((txq->txq_flags & ETH_TXQ_FLAGS_NOMULTSEGS) == 0) {
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multiseg = true;
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break;
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}
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}
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/* Use a simple Tx queue (no offloads, no multi segs) if possible */
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if (multiseg) {
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PMD_DRV_LOG(DEBUG, "Using multi-segment tx callback");
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dev->tx_pkt_burst = nicvf_xmit_pkts_multiseg;
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} else {
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PMD_DRV_LOG(DEBUG, "Using single-segment tx callback");
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dev->tx_pkt_burst = nicvf_xmit_pkts;
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}
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if (txq->pool_free == nicvf_single_pool_free_xmited_buffers)
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PMD_DRV_LOG(DEBUG, "Using single-mempool tx free method");
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else
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PMD_DRV_LOG(DEBUG, "Using multi-mempool tx free method");
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}
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static void
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nicvf_set_rx_function(struct rte_eth_dev *dev)
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{
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if (dev->data->scattered_rx) {
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PMD_DRV_LOG(DEBUG, "Using multi-segment rx callback");
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dev->rx_pkt_burst = nicvf_recv_pkts_multiseg;
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} else {
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PMD_DRV_LOG(DEBUG, "Using single-segment rx callback");
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dev->rx_pkt_burst = nicvf_recv_pkts;
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}
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}
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static int
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nicvf_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
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uint16_t nb_desc, unsigned int socket_id,
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@ -1064,6 +1209,317 @@ nicvf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
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};
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}
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static nicvf_phys_addr_t
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rbdr_rte_mempool_get(void *opaque)
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{
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uint16_t qidx;
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uintptr_t mbuf;
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struct nicvf_rxq *rxq;
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struct nicvf *nic = nicvf_pmd_priv((struct rte_eth_dev *)opaque);
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for (qidx = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++) {
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rxq = nic->eth_dev->data->rx_queues[qidx];
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/* Maintain equal buffer count across all pools */
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if (rxq->precharge_cnt >= rxq->qlen_mask)
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continue;
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rxq->precharge_cnt++;
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mbuf = (uintptr_t)rte_pktmbuf_alloc(rxq->pool);
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if (mbuf)
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return nicvf_mbuff_virt2phy(mbuf, rxq->mbuf_phys_off);
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}
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return 0;
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}
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static int
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nicvf_dev_start(struct rte_eth_dev *dev)
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{
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int ret;
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uint16_t qidx;
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uint32_t buffsz = 0, rbdrsz = 0;
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uint32_t total_rxq_desc, nb_rbdr_desc, exp_buffs;
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uint64_t mbuf_phys_off = 0;
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struct nicvf_rxq *rxq;
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struct rte_pktmbuf_pool_private *mbp_priv;
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struct rte_mbuf *mbuf;
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struct nicvf *nic = nicvf_pmd_priv(dev);
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struct rte_eth_rxmode *rx_conf = &dev->data->dev_conf.rxmode;
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uint16_t mtu;
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PMD_INIT_FUNC_TRACE();
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/* Userspace process exited without proper shutdown in last run */
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if (nicvf_qset_rbdr_active(nic, 0))
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nicvf_dev_stop(dev);
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/*
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* Thunderx nicvf PMD can support more than one pool per port only when
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* 1) Data payload size is same across all the pools in given port
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* AND
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* 2) All mbuffs in the pools are from the same hugepage
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* AND
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* 3) Mbuff metadata size is same across all the pools in given port
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*
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* This is to support existing application that uses multiple pool/port.
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* But, the purpose of using multipool for QoS will not be addressed.
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*
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*/
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/* Validate RBDR buff size */
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for (qidx = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++) {
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rxq = dev->data->rx_queues[qidx];
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mbp_priv = rte_mempool_get_priv(rxq->pool);
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buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
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if (buffsz % 128) {
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PMD_INIT_LOG(ERR, "rxbuf size must be multiply of 128");
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return -EINVAL;
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}
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if (rbdrsz == 0)
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rbdrsz = buffsz;
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if (rbdrsz != buffsz) {
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PMD_INIT_LOG(ERR, "buffsz not same, qid=%d (%d/%d)",
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qidx, rbdrsz, buffsz);
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return -EINVAL;
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}
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}
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/* Validate mempool attributes */
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for (qidx = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++) {
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rxq = dev->data->rx_queues[qidx];
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rxq->mbuf_phys_off = nicvf_mempool_phy_offset(rxq->pool);
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mbuf = rte_pktmbuf_alloc(rxq->pool);
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if (mbuf == NULL) {
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PMD_INIT_LOG(ERR, "Failed allocate mbuf qid=%d pool=%s",
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qidx, rxq->pool->name);
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return -ENOMEM;
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}
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rxq->mbuf_phys_off -= nicvf_mbuff_meta_length(mbuf);
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rxq->mbuf_phys_off -= RTE_PKTMBUF_HEADROOM;
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rte_pktmbuf_free(mbuf);
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if (mbuf_phys_off == 0)
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mbuf_phys_off = rxq->mbuf_phys_off;
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if (mbuf_phys_off != rxq->mbuf_phys_off) {
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PMD_INIT_LOG(ERR, "pool params not same,%s %" PRIx64,
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rxq->pool->name, mbuf_phys_off);
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return -EINVAL;
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}
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}
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/* Check the level of buffers in the pool */
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total_rxq_desc = 0;
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for (qidx = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++) {
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rxq = dev->data->rx_queues[qidx];
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/* Count total numbers of rxq descs */
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total_rxq_desc += rxq->qlen_mask + 1;
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exp_buffs = RTE_MEMPOOL_CACHE_MAX_SIZE + rxq->rx_free_thresh;
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exp_buffs *= nic->eth_dev->data->nb_rx_queues;
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if (rte_mempool_count(rxq->pool) < exp_buffs) {
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PMD_INIT_LOG(ERR, "Buff shortage in pool=%s (%d/%d)",
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rxq->pool->name,
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rte_mempool_count(rxq->pool),
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exp_buffs);
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return -ENOENT;
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}
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}
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/* Check RBDR desc overflow */
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ret = nicvf_qsize_rbdr_roundup(total_rxq_desc);
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if (ret == 0) {
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PMD_INIT_LOG(ERR, "Reached RBDR desc limit, reduce nr desc");
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return -ENOMEM;
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}
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/* Enable qset */
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ret = nicvf_qset_config(nic);
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if (ret) {
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PMD_INIT_LOG(ERR, "Failed to enable qset %d", ret);
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return ret;
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}
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/* Allocate RBDR and RBDR ring desc */
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nb_rbdr_desc = nicvf_qsize_rbdr_roundup(total_rxq_desc);
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ret = nicvf_qset_rbdr_alloc(nic, nb_rbdr_desc, rbdrsz);
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if (ret) {
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PMD_INIT_LOG(ERR, "Failed to allocate memory for rbdr alloc");
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goto qset_reclaim;
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}
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/* Enable and configure RBDR registers */
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ret = nicvf_qset_rbdr_config(nic, 0);
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if (ret) {
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PMD_INIT_LOG(ERR, "Failed to configure rbdr %d", ret);
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goto qset_rbdr_free;
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}
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/* Fill rte_mempool buffers in RBDR pool and precharge it */
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ret = nicvf_qset_rbdr_precharge(nic, 0, rbdr_rte_mempool_get,
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dev, total_rxq_desc);
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if (ret) {
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PMD_INIT_LOG(ERR, "Failed to fill rbdr %d", ret);
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goto qset_rbdr_reclaim;
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}
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PMD_DRV_LOG(INFO, "Filled %d out of %d entries in RBDR",
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nic->rbdr->tail, nb_rbdr_desc);
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/* Configure RX queues */
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for (qidx = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++) {
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ret = nicvf_start_rx_queue(dev, qidx);
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if (ret)
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goto start_rxq_error;
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}
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/* Configure VLAN Strip */
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nicvf_vlan_hw_strip(nic, dev->data->dev_conf.rxmode.hw_vlan_strip);
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/* Configure TX queues */
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for (qidx = 0; qidx < nic->eth_dev->data->nb_tx_queues; qidx++) {
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ret = nicvf_start_tx_queue(dev, qidx);
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if (ret)
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goto start_txq_error;
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}
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/* Configure CPI algorithm */
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ret = nicvf_configure_cpi(dev);
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if (ret)
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goto start_txq_error;
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/* Configure RSS */
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ret = nicvf_configure_rss(dev);
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if (ret)
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goto qset_rss_error;
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/* Configure loopback */
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ret = nicvf_loopback_config(nic, dev->data->dev_conf.lpbk_mode);
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if (ret) {
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PMD_INIT_LOG(ERR, "Failed to configure loopback %d", ret);
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goto qset_rss_error;
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}
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/* Reset all statistics counters attached to this port */
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ret = nicvf_mbox_reset_stat_counters(nic, 0x3FFF, 0x1F, 0xFFFF, 0xFFFF);
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if (ret) {
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PMD_INIT_LOG(ERR, "Failed to reset stat counters %d", ret);
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goto qset_rss_error;
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}
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/* Setup scatter mode if needed by jumbo */
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if (dev->data->dev_conf.rxmode.max_rx_pkt_len +
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2 * VLAN_TAG_SIZE > buffsz)
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dev->data->scattered_rx = 1;
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if (rx_conf->enable_scatter)
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dev->data->scattered_rx = 1;
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/* Setup MTU based on max_rx_pkt_len or default */
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mtu = dev->data->dev_conf.rxmode.jumbo_frame ?
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dev->data->dev_conf.rxmode.max_rx_pkt_len
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- ETHER_HDR_LEN - ETHER_CRC_LEN
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: ETHER_MTU;
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if (nicvf_dev_set_mtu(dev, mtu)) {
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PMD_INIT_LOG(ERR, "Failed to set default mtu size");
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return -EBUSY;
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}
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/* Configure callbacks based on scatter mode */
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nicvf_set_tx_function(dev);
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nicvf_set_rx_function(dev);
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/* Done; Let PF make the BGX's RX and TX switches to ON position */
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nicvf_mbox_cfg_done(nic);
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return 0;
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qset_rss_error:
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nicvf_rss_term(nic);
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start_txq_error:
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for (qidx = 0; qidx < nic->eth_dev->data->nb_tx_queues; qidx++)
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nicvf_stop_tx_queue(dev, qidx);
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start_rxq_error:
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for (qidx = 0; qidx < nic->eth_dev->data->nb_rx_queues; qidx++)
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nicvf_stop_rx_queue(dev, qidx);
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qset_rbdr_reclaim:
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nicvf_qset_rbdr_reclaim(nic, 0);
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nicvf_rbdr_release_mbufs(nic);
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qset_rbdr_free:
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if (nic->rbdr) {
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rte_free(nic->rbdr);
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nic->rbdr = NULL;
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}
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qset_reclaim:
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nicvf_qset_reclaim(nic);
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return ret;
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}
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static void
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nicvf_dev_stop(struct rte_eth_dev *dev)
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{
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int ret;
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uint16_t qidx;
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struct nicvf *nic = nicvf_pmd_priv(dev);
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PMD_INIT_FUNC_TRACE();
|
||||
|
||||
/* Let PF make the BGX's RX and TX switches to OFF position */
|
||||
nicvf_mbox_shutdown(nic);
|
||||
|
||||
/* Disable loopback */
|
||||
ret = nicvf_loopback_config(nic, 0);
|
||||
if (ret)
|
||||
PMD_INIT_LOG(ERR, "Failed to disable loopback %d", ret);
|
||||
|
||||
/* Disable VLAN Strip */
|
||||
nicvf_vlan_hw_strip(nic, 0);
|
||||
|
||||
/* Reclaim sq */
|
||||
for (qidx = 0; qidx < dev->data->nb_tx_queues; qidx++)
|
||||
nicvf_stop_tx_queue(dev, qidx);
|
||||
|
||||
/* Reclaim rq */
|
||||
for (qidx = 0; qidx < dev->data->nb_rx_queues; qidx++)
|
||||
nicvf_stop_rx_queue(dev, qidx);
|
||||
|
||||
/* Reclaim RBDR */
|
||||
ret = nicvf_qset_rbdr_reclaim(nic, 0);
|
||||
if (ret)
|
||||
PMD_INIT_LOG(ERR, "Failed to reclaim RBDR %d", ret);
|
||||
|
||||
/* Move all charged buffers in RBDR back to pool */
|
||||
if (nic->rbdr != NULL)
|
||||
nicvf_rbdr_release_mbufs(nic);
|
||||
|
||||
/* Reclaim CPI configuration */
|
||||
if (!nic->sqs_mode) {
|
||||
ret = nicvf_mbox_config_cpi(nic, 0);
|
||||
if (ret)
|
||||
PMD_INIT_LOG(ERR, "Failed to reclaim CPI config");
|
||||
}
|
||||
|
||||
/* Disable qset */
|
||||
ret = nicvf_qset_config(nic);
|
||||
if (ret)
|
||||
PMD_INIT_LOG(ERR, "Failed to disable qset %d", ret);
|
||||
|
||||
/* Disable all interrupts */
|
||||
nicvf_disable_all_interrupts(nic);
|
||||
|
||||
/* Free RBDR SW structure */
|
||||
if (nic->rbdr) {
|
||||
rte_free(nic->rbdr);
|
||||
nic->rbdr = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
nicvf_dev_close(struct rte_eth_dev *dev)
|
||||
{
|
||||
struct nicvf *nic = nicvf_pmd_priv(dev);
|
||||
|
||||
PMD_INIT_FUNC_TRACE();
|
||||
|
||||
nicvf_dev_stop(dev);
|
||||
nicvf_periodic_alarm_stop(nic);
|
||||
}
|
||||
|
||||
static int
|
||||
nicvf_dev_configure(struct rte_eth_dev *dev)
|
||||
{
|
||||
@ -1144,7 +1600,10 @@ nicvf_dev_configure(struct rte_eth_dev *dev)
|
||||
/* Initialize and register driver with DPDK Application */
|
||||
static const struct eth_dev_ops nicvf_eth_dev_ops = {
|
||||
.dev_configure = nicvf_dev_configure,
|
||||
.dev_start = nicvf_dev_start,
|
||||
.dev_stop = nicvf_dev_stop,
|
||||
.link_update = nicvf_dev_link_update,
|
||||
.dev_close = nicvf_dev_close,
|
||||
.stats_get = nicvf_dev_stats_get,
|
||||
.stats_reset = nicvf_dev_stats_reset,
|
||||
.promiscuous_enable = nicvf_dev_promisc_enable,
|
||||
@ -1179,6 +1638,14 @@ nicvf_eth_dev_init(struct rte_eth_dev *eth_dev)
|
||||
|
||||
eth_dev->dev_ops = &nicvf_eth_dev_ops;
|
||||
|
||||
/* For secondary processes, the primary has done all the work */
|
||||
if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
|
||||
/* Setup callbacks for secondary process */
|
||||
nicvf_set_tx_function(eth_dev);
|
||||
nicvf_set_rx_function(eth_dev);
|
||||
return 0;
|
||||
}
|
||||
|
||||
pci_dev = eth_dev->pci_dev;
|
||||
rte_eth_copy_pci_info(eth_dev, pci_dev);
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user