X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Focteontx_ep%2Fotx_ep_ethdev.c;h=a243683d61d379ca8f0333b1994ac54d35bd9f2b;hb=96f85ec489dbf7e206cdf54906d1e1c1092bc38e;hp=e33363990c9dab0953f0aa800acd230fbda9b753;hpb=4a5ac386853654b008b4deec8935392ea0f18355;p=dpdk.git diff --git a/drivers/net/octeontx_ep/otx_ep_ethdev.c b/drivers/net/octeontx_ep/otx_ep_ethdev.c index e33363990c..a243683d61 100644 --- a/drivers/net/octeontx_ep/otx_ep_ethdev.c +++ b/drivers/net/octeontx_ep/otx_ep_ethdev.c @@ -7,8 +7,90 @@ #include "otx2_common.h" #include "otx_ep_common.h" #include "otx_ep_vf.h" +#include "otx2_ep_vf.h" +#include "otx_ep_rxtx.h" + +#define OTX_EP_DEV(_eth_dev) \ + ((struct otx_ep_device *)(_eth_dev)->data->dev_private) + +static const struct rte_eth_desc_lim otx_ep_rx_desc_lim = { + .nb_max = OTX_EP_MAX_OQ_DESCRIPTORS, + .nb_min = OTX_EP_MIN_OQ_DESCRIPTORS, + .nb_align = OTX_EP_RXD_ALIGN, +}; + +static const struct rte_eth_desc_lim otx_ep_tx_desc_lim = { + .nb_max = OTX_EP_MAX_IQ_DESCRIPTORS, + .nb_min = OTX_EP_MIN_IQ_DESCRIPTORS, + .nb_align = OTX_EP_TXD_ALIGN, +}; + +static int +otx_ep_dev_info_get(struct rte_eth_dev *eth_dev, + struct rte_eth_dev_info *devinfo) +{ + struct otx_ep_device *otx_epvf; + + otx_epvf = OTX_EP_DEV(eth_dev); + + devinfo->speed_capa = ETH_LINK_SPEED_10G; + devinfo->max_rx_queues = otx_epvf->max_rx_queues; + devinfo->max_tx_queues = otx_epvf->max_tx_queues; + + devinfo->min_rx_bufsize = OTX_EP_MIN_RX_BUF_SIZE; + devinfo->max_rx_pktlen = OTX_EP_MAX_PKT_SZ; + devinfo->rx_offload_capa = DEV_RX_OFFLOAD_JUMBO_FRAME; + devinfo->rx_offload_capa |= DEV_RX_OFFLOAD_SCATTER; + devinfo->tx_offload_capa = DEV_TX_OFFLOAD_MULTI_SEGS; + + devinfo->max_mac_addrs = OTX_EP_MAX_MAC_ADDRS; + + devinfo->rx_desc_lim = otx_ep_rx_desc_lim; + devinfo->tx_desc_lim = otx_ep_tx_desc_lim; + + return 0; +} + +static int +otx_ep_dev_start(struct rte_eth_dev *eth_dev) +{ + struct otx_ep_device *otx_epvf; + unsigned int q; + int ret; + + otx_epvf = (struct otx_ep_device *)OTX_EP_DEV(eth_dev); + /* Enable IQ/OQ for this device */ + ret = otx_epvf->fn_list.enable_io_queues(otx_epvf); + if (ret) { + otx_ep_err("IOQ enable failed\n"); + return ret; + } + + for (q = 0; q < otx_epvf->nb_rx_queues; q++) { + rte_write32(otx_epvf->droq[q]->nb_desc, + otx_epvf->droq[q]->pkts_credit_reg); + + rte_wmb(); + otx_ep_info("OQ[%d] dbells [%d]\n", q, + rte_read32(otx_epvf->droq[q]->pkts_credit_reg)); + } + + otx_ep_info("dev started\n"); + + return 0; +} + +/* Stop device and disable input/output functions */ +static int +otx_ep_dev_stop(struct rte_eth_dev *eth_dev) +{ + struct otx_ep_device *otx_epvf = OTX_EP_DEV(eth_dev); + + otx_epvf->fn_list.disable_io_queues(otx_epvf); + + return 0; +} -#define OTX_EP_DEV(_eth_dev) ((_eth_dev)->data->dev_private) static int otx_ep_chip_specific_setup(struct otx_ep_device *otx_epvf) { @@ -19,10 +101,14 @@ otx_ep_chip_specific_setup(struct otx_ep_device *otx_epvf) switch (dev_id) { case PCI_DEVID_OCTEONTX_EP_VF: otx_epvf->chip_id = dev_id; + ret = otx_ep_vf_setup_device(otx_epvf); + otx_epvf->fn_list.disable_io_queues(otx_epvf); break; case PCI_DEVID_OCTEONTX2_EP_NET_VF: case PCI_DEVID_CN98XX_EP_NET_VF: otx_epvf->chip_id = dev_id; + ret = otx2_ep_vf_setup_device(otx_epvf); + otx_epvf->fn_list.disable_io_queues(otx_epvf); break; default: otx_ep_err("Unsupported device\n"); @@ -39,6 +125,7 @@ otx_ep_chip_specific_setup(struct otx_ep_device *otx_epvf) static int otx_epdev_init(struct otx_ep_device *otx_epvf) { + uint32_t ethdev_queues; int ret = 0; ret = otx_ep_chip_specific_setup(otx_epvf); @@ -47,13 +134,263 @@ otx_epdev_init(struct otx_ep_device *otx_epvf) goto setup_fail; } + otx_epvf->fn_list.setup_device_regs(otx_epvf); + + otx_epvf->eth_dev->rx_pkt_burst = &otx_ep_recv_pkts; + if (otx_epvf->chip_id == PCI_DEVID_OCTEONTX_EP_VF) + otx_epvf->eth_dev->tx_pkt_burst = &otx_ep_xmit_pkts; + else if (otx_epvf->chip_id == PCI_DEVID_OCTEONTX2_EP_NET_VF || + otx_epvf->chip_id == PCI_DEVID_CN98XX_EP_NET_VF) + otx_epvf->eth_dev->tx_pkt_burst = &otx2_ep_xmit_pkts; + ethdev_queues = (uint32_t)(otx_epvf->sriov_info.rings_per_vf); + otx_epvf->max_rx_queues = ethdev_queues; + otx_epvf->max_tx_queues = ethdev_queues; + + otx_ep_info("OTX_EP Device is Ready\n"); + setup_fail: return ret; } static int -otx_ep_eth_dev_uninit(__rte_unused struct rte_eth_dev *eth_dev) +otx_ep_dev_configure(struct rte_eth_dev *eth_dev) +{ + struct otx_ep_device *otx_epvf = OTX_EP_DEV(eth_dev); + struct rte_eth_dev_data *data = eth_dev->data; + struct rte_eth_rxmode *rxmode; + struct rte_eth_txmode *txmode; + struct rte_eth_conf *conf; + + conf = &data->dev_conf; + rxmode = &conf->rxmode; + txmode = &conf->txmode; + if (eth_dev->data->nb_rx_queues > otx_epvf->max_rx_queues || + eth_dev->data->nb_tx_queues > otx_epvf->max_tx_queues) { + otx_ep_err("invalid num queues\n"); + return -EINVAL; + } + otx_ep_info("OTX_EP Device is configured with num_txq %d num_rxq %d\n", + eth_dev->data->nb_rx_queues, eth_dev->data->nb_tx_queues); + + otx_epvf->rx_offloads = rxmode->offloads; + otx_epvf->tx_offloads = txmode->offloads; + + return 0; +} + +/** + * Setup our receive queue/ringbuffer. This is the + * queue the Octeon uses to send us packets and + * responses. We are given a memory pool for our + * packet buffers that are used to populate the receive + * queue. + * + * @param eth_dev + * Pointer to the structure rte_eth_dev + * @param q_no + * Queue number + * @param num_rx_descs + * Number of entries in the queue + * @param socket_id + * Where to allocate memory + * @param rx_conf + * Pointer to the struction rte_eth_rxconf + * @param mp + * Pointer to the packet pool + * + * @return + * - On success, return 0 + * - On failure, return -1 + */ +static int +otx_ep_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t q_no, + uint16_t num_rx_descs, unsigned int socket_id, + const struct rte_eth_rxconf *rx_conf __rte_unused, + struct rte_mempool *mp) { + struct otx_ep_device *otx_epvf = OTX_EP_DEV(eth_dev); + struct rte_pktmbuf_pool_private *mbp_priv; + uint16_t buf_size; + + if (q_no >= otx_epvf->max_rx_queues) { + otx_ep_err("Invalid rx queue number %u\n", q_no); + return -EINVAL; + } + + if (num_rx_descs & (num_rx_descs - 1)) { + otx_ep_err("Invalid rx desc number should be pow 2 %u\n", + num_rx_descs); + return -EINVAL; + } + if (num_rx_descs < (SDP_GBL_WMARK * 8)) { + otx_ep_err("Invalid rx desc number should at least be greater than 8xwmark %u\n", + num_rx_descs); + return -EINVAL; + } + + otx_ep_dbg("setting up rx queue %u\n", q_no); + + mbp_priv = rte_mempool_get_priv(mp); + buf_size = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM; + + if (otx_ep_setup_oqs(otx_epvf, q_no, num_rx_descs, buf_size, mp, + socket_id)) { + otx_ep_err("droq allocation failed\n"); + return -1; + } + + eth_dev->data->rx_queues[q_no] = otx_epvf->droq[q_no]; + + return 0; +} + +/** + * Release the receive queue/ringbuffer. Called by + * the upper layers. + * + * @param rxq + * Opaque pointer to the receive queue to release + * + * @return + * - nothing + */ +static void +otx_ep_rx_queue_release(void *rxq) +{ + struct otx_ep_droq *rq = (struct otx_ep_droq *)rxq; + struct otx_ep_device *otx_epvf = rq->otx_ep_dev; + int q_id = rq->q_no; + + if (otx_ep_delete_oqs(otx_epvf, q_id)) + otx_ep_err("Failed to delete OQ:%d\n", q_id); +} + +/** + * Allocate and initialize SW ring. Initialize associated HW registers. + * + * @param eth_dev + * Pointer to structure rte_eth_dev + * + * @param q_no + * Queue number + * + * @param num_tx_descs + * Number of ringbuffer descriptors + * + * @param socket_id + * NUMA socket id, used for memory allocations + * + * @param tx_conf + * Pointer to the structure rte_eth_txconf + * + * @return + * - On success, return 0 + * - On failure, return -errno value + */ +static int +otx_ep_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t q_no, + uint16_t num_tx_descs, unsigned int socket_id, + const struct rte_eth_txconf *tx_conf __rte_unused) +{ + struct otx_ep_device *otx_epvf = OTX_EP_DEV(eth_dev); + int retval; + + if (q_no >= otx_epvf->max_tx_queues) { + otx_ep_err("Invalid tx queue number %u\n", q_no); + return -EINVAL; + } + if (num_tx_descs & (num_tx_descs - 1)) { + otx_ep_err("Invalid tx desc number should be pow 2 %u\n", + num_tx_descs); + return -EINVAL; + } + + retval = otx_ep_setup_iqs(otx_epvf, q_no, num_tx_descs, socket_id); + + if (retval) { + otx_ep_err("IQ(TxQ) creation failed.\n"); + return retval; + } + + eth_dev->data->tx_queues[q_no] = otx_epvf->instr_queue[q_no]; + otx_ep_dbg("tx queue[%d] setup\n", q_no); + return 0; +} + +/** + * Release the transmit queue/ringbuffer. Called by + * the upper layers. + * + * @param txq + * Opaque pointer to the transmit queue to release + * + * @return + * - nothing + */ +static void +otx_ep_tx_queue_release(void *txq) +{ + struct otx_ep_instr_queue *tq = (struct otx_ep_instr_queue *)txq; + + otx_ep_delete_iqs(tq->otx_ep_dev, tq->q_no); +} + +/* Define our ethernet definitions */ +static const struct eth_dev_ops otx_ep_eth_dev_ops = { + .dev_configure = otx_ep_dev_configure, + .dev_start = otx_ep_dev_start, + .dev_stop = otx_ep_dev_stop, + .rx_queue_setup = otx_ep_rx_queue_setup, + .rx_queue_release = otx_ep_rx_queue_release, + .tx_queue_setup = otx_ep_tx_queue_setup, + .tx_queue_release = otx_ep_tx_queue_release, + .dev_infos_get = otx_ep_dev_info_get, +}; + +static int +otx_epdev_exit(struct rte_eth_dev *eth_dev) +{ + struct otx_ep_device *otx_epvf; + uint32_t num_queues, q; + + otx_ep_info("%s:\n", __func__); + + otx_epvf = OTX_EP_DEV(eth_dev); + + otx_epvf->fn_list.disable_io_queues(otx_epvf); + + num_queues = otx_epvf->nb_rx_queues; + for (q = 0; q < num_queues; q++) { + if (otx_ep_delete_oqs(otx_epvf, q)) { + otx_ep_err("Failed to delete OQ:%d\n", q); + return -EINVAL; + } + } + otx_ep_info("Num OQs:%d freed\n", otx_epvf->nb_rx_queues); + + num_queues = otx_epvf->nb_tx_queues; + for (q = 0; q < num_queues; q++) { + if (otx_ep_delete_iqs(otx_epvf, q)) { + otx_ep_err("Failed to delete IQ:%d\n", q); + return -EINVAL; + } + } + otx_ep_dbg("Num IQs:%d freed\n", otx_epvf->nb_tx_queues); + + return 0; +} + +static int +otx_ep_eth_dev_uninit(struct rte_eth_dev *eth_dev) +{ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + otx_epdev_exit(eth_dev); + + eth_dev->dev_ops = NULL; + eth_dev->rx_pkt_burst = NULL; + eth_dev->tx_pkt_burst = NULL; + return 0; } @@ -70,9 +407,11 @@ otx_ep_eth_dev_init(struct rte_eth_dev *eth_dev) otx_epvf->eth_dev = eth_dev; otx_epvf->port_id = eth_dev->data->port_id; + eth_dev->dev_ops = &otx_ep_eth_dev_ops; eth_dev->data->mac_addrs = rte_zmalloc("otx_ep", RTE_ETHER_ADDR_LEN, 0); if (eth_dev->data->mac_addrs == NULL) { otx_ep_err("MAC addresses memory allocation failed\n"); + eth_dev->dev_ops = NULL; return -ENOMEM; } rte_eth_random_addr(vf_mac_addr.addr_bytes); @@ -81,6 +420,11 @@ otx_ep_eth_dev_init(struct rte_eth_dev *eth_dev) otx_epvf->pdev = pdev; otx_epdev_init(otx_epvf); + if (pdev->id.device_id == PCI_DEVID_OCTEONTX2_EP_NET_VF) + otx_epvf->pkind = SDP_OTX2_PKIND; + else + otx_epvf->pkind = SDP_PKIND; + otx_ep_info("using pkind %d\n", otx_epvf->pkind); return 0; } @@ -119,4 +463,4 @@ static struct rte_pci_driver rte_otx_ep_pmd = { RTE_PMD_REGISTER_PCI(net_otx_ep, rte_otx_ep_pmd); RTE_PMD_REGISTER_PCI_TABLE(net_otx_ep, pci_id_otx_ep_map); RTE_PMD_REGISTER_KMOD_DEP(net_otx_ep, "* igb_uio | vfio-pci"); -RTE_LOG_REGISTER(otx_net_ep_logtype, pmd.net.octeontx_ep, NOTICE); +RTE_LOG_REGISTER_DEFAULT(otx_net_ep_logtype, NOTICE);