X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Focteontx2%2Fotx2_ethdev_ops.c;h=8f1635dbabae6fbb31929f0b3a20e31dd11a9797;hb=8dc4ff37fe8b7c656aafdf81360f2ef2cd0d94d3;hp=301a597f83601b7f26e1d116b9f372943c82db95;hpb=adf6bb5d733d9081ec515debc629d07601d51fe7;p=dpdk.git diff --git a/drivers/net/octeontx2/otx2_ethdev_ops.c b/drivers/net/octeontx2/otx2_ethdev_ops.c index 301a597f83..8f1635dbab 100644 --- a/drivers/net/octeontx2/otx2_ethdev_ops.c +++ b/drivers/net/octeontx2/otx2_ethdev_ops.c @@ -2,15 +2,110 @@ * Copyright(C) 2019 Marvell International Ltd. */ +#include +#include + #include "otx2_ethdev.h" +int +otx2_nix_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu) +{ + uint32_t buffsz, frame_size = mtu + NIX_L2_OVERHEAD; + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct rte_eth_dev_data *data = eth_dev->data; + struct otx2_mbox *mbox = dev->mbox; + struct nix_frs_cfg *req; + int rc; + + frame_size += NIX_TIMESYNC_RX_OFFSET * otx2_ethdev_is_ptp_en(dev); + + /* Check if MTU is within the allowed range */ + if (frame_size < NIX_MIN_FRS || frame_size > NIX_MAX_FRS) + return -EINVAL; + + buffsz = data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM; + + /* Refuse MTU that requires the support of scattered packets + * when this feature has not been enabled before. + */ + if (data->dev_started && frame_size > buffsz && + !(dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER)) + return -EINVAL; + + /* Check * >= max_frame */ + if ((dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER) && + (frame_size > buffsz * NIX_RX_NB_SEG_MAX)) + return -EINVAL; + + req = otx2_mbox_alloc_msg_nix_set_hw_frs(mbox); + req->update_smq = true; + if (otx2_dev_is_sdp(dev)) + req->sdp_link = true; + /* FRS HW config should exclude FCS but include NPC VTAG insert size */ + req->maxlen = frame_size - RTE_ETHER_CRC_LEN + NIX_MAX_VTAG_ACT_SIZE; + + rc = otx2_mbox_process(mbox); + if (rc) + return rc; + + /* Now just update Rx MAXLEN */ + req = otx2_mbox_alloc_msg_nix_set_hw_frs(mbox); + req->maxlen = frame_size - RTE_ETHER_CRC_LEN; + if (otx2_dev_is_sdp(dev)) + req->sdp_link = true; + + rc = otx2_mbox_process(mbox); + if (rc) + return rc; + + if (frame_size > RTE_ETHER_MAX_LEN) + dev->rx_offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; + else + dev->rx_offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME; + + /* Update max_rx_pkt_len */ + data->dev_conf.rxmode.max_rx_pkt_len = frame_size; + + return rc; +} + +int +otx2_nix_recalc_mtu(struct rte_eth_dev *eth_dev) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct rte_eth_dev_data *data = eth_dev->data; + struct rte_pktmbuf_pool_private *mbp_priv; + struct otx2_eth_rxq *rxq; + uint32_t buffsz; + uint16_t mtu; + int rc; + + /* Get rx buffer size */ + rxq = data->rx_queues[0]; + mbp_priv = rte_mempool_get_priv(rxq->pool); + buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM; + + /* Setup scatter mode if needed by jumbo */ + if (data->dev_conf.rxmode.max_rx_pkt_len > buffsz) + dev->rx_offloads |= DEV_RX_OFFLOAD_SCATTER; + + /* Setup MTU based on max_rx_pkt_len */ + mtu = data->dev_conf.rxmode.max_rx_pkt_len - NIX_L2_OVERHEAD; + + rc = otx2_nix_mtu_set(eth_dev, mtu); + if (rc) + otx2_err("Failed to set default MTU size %d", rc); + + return rc; +} + static void nix_cgx_promisc_config(struct rte_eth_dev *eth_dev, int en) { struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); struct otx2_mbox *mbox = dev->mbox; - if (otx2_dev_is_vf(dev)) + if (otx2_dev_is_vf_or_sdp(dev)) return; if (en) @@ -38,20 +133,25 @@ otx2_nix_promisc_config(struct rte_eth_dev *eth_dev, int en) otx2_mbox_process(mbox); eth_dev->data->promiscuous = en; + otx2_nix_vlan_update_promisc(eth_dev, en); } -void +int otx2_nix_promisc_enable(struct rte_eth_dev *eth_dev) { otx2_nix_promisc_config(eth_dev, 1); nix_cgx_promisc_config(eth_dev, 1); + + return 0; } -void +int otx2_nix_promisc_disable(struct rte_eth_dev *eth_dev) { otx2_nix_promisc_config(eth_dev, 0); nix_cgx_promisc_config(eth_dev, 0); + + return 0; } static void @@ -74,19 +174,385 @@ nix_allmulticast_config(struct rte_eth_dev *eth_dev, int en) otx2_mbox_process(mbox); } -void +int otx2_nix_allmulticast_enable(struct rte_eth_dev *eth_dev) { nix_allmulticast_config(eth_dev, 1); + + return 0; } -void +int otx2_nix_allmulticast_disable(struct rte_eth_dev *eth_dev) { nix_allmulticast_config(eth_dev, 0); + + return 0; } void +otx2_nix_rxq_info_get(struct rte_eth_dev *eth_dev, uint16_t queue_id, + struct rte_eth_rxq_info *qinfo) +{ + struct otx2_eth_rxq *rxq; + + rxq = eth_dev->data->rx_queues[queue_id]; + + qinfo->mp = rxq->pool; + qinfo->scattered_rx = eth_dev->data->scattered_rx; + qinfo->nb_desc = rxq->qconf.nb_desc; + + qinfo->conf.rx_free_thresh = 0; + qinfo->conf.rx_drop_en = 0; + qinfo->conf.rx_deferred_start = 0; + qinfo->conf.offloads = rxq->offloads; +} + +void +otx2_nix_txq_info_get(struct rte_eth_dev *eth_dev, uint16_t queue_id, + struct rte_eth_txq_info *qinfo) +{ + struct otx2_eth_txq *txq; + + txq = eth_dev->data->tx_queues[queue_id]; + + qinfo->nb_desc = txq->qconf.nb_desc; + + qinfo->conf.tx_thresh.pthresh = 0; + qinfo->conf.tx_thresh.hthresh = 0; + qinfo->conf.tx_thresh.wthresh = 0; + + qinfo->conf.tx_free_thresh = 0; + qinfo->conf.tx_rs_thresh = 0; + qinfo->conf.offloads = txq->offloads; + qinfo->conf.tx_deferred_start = 0; +} + +int +otx2_rx_burst_mode_get(struct rte_eth_dev *eth_dev, + __rte_unused uint16_t queue_id, + struct rte_eth_burst_mode *mode) +{ + ssize_t bytes = 0, str_size = RTE_ETH_BURST_MODE_INFO_SIZE, rc; + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + const struct burst_info { + uint16_t flags; + const char *output; + } rx_offload_map[] = { + {NIX_RX_OFFLOAD_RSS_F, "RSS,"}, + {NIX_RX_OFFLOAD_PTYPE_F, " Ptype,"}, + {NIX_RX_OFFLOAD_CHECKSUM_F, " Checksum,"}, + {NIX_RX_OFFLOAD_VLAN_STRIP_F, " VLAN Strip,"}, + {NIX_RX_OFFLOAD_MARK_UPDATE_F, " Mark Update,"}, + {NIX_RX_OFFLOAD_TSTAMP_F, " Timestamp,"}, + {NIX_RX_MULTI_SEG_F, " Scattered,"} + }; + static const char *const burst_mode[] = {"Vector Neon, Rx Offloads:", + "Scalar, Rx Offloads:" + }; + uint32_t i; + + /* Update burst mode info */ + rc = rte_strscpy(mode->info + bytes, burst_mode[dev->scalar_ena], + str_size - bytes); + if (rc < 0) + goto done; + + bytes += rc; + + /* Update Rx offload info */ + for (i = 0; i < RTE_DIM(rx_offload_map); i++) { + if (dev->rx_offload_flags & rx_offload_map[i].flags) { + rc = rte_strscpy(mode->info + bytes, + rx_offload_map[i].output, + str_size - bytes); + if (rc < 0) + goto done; + + bytes += rc; + } + } + +done: + return 0; +} + +int +otx2_tx_burst_mode_get(struct rte_eth_dev *eth_dev, + __rte_unused uint16_t queue_id, + struct rte_eth_burst_mode *mode) +{ + ssize_t bytes = 0, str_size = RTE_ETH_BURST_MODE_INFO_SIZE, rc; + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + const struct burst_info { + uint16_t flags; + const char *output; + } tx_offload_map[] = { + {NIX_TX_OFFLOAD_L3_L4_CSUM_F, " Inner L3/L4 csum,"}, + {NIX_TX_OFFLOAD_OL3_OL4_CSUM_F, " Outer L3/L4 csum,"}, + {NIX_TX_OFFLOAD_VLAN_QINQ_F, " VLAN Insertion,"}, + {NIX_TX_OFFLOAD_MBUF_NOFF_F, " MBUF free disable,"}, + {NIX_TX_OFFLOAD_TSTAMP_F, " Timestamp,"}, + {NIX_TX_OFFLOAD_TSO_F, " TSO,"}, + {NIX_TX_MULTI_SEG_F, " Scattered,"} + }; + static const char *const burst_mode[] = {"Vector Neon, Tx Offloads:", + "Scalar, Tx Offloads:" + }; + uint32_t i; + + /* Update burst mode info */ + rc = rte_strscpy(mode->info + bytes, burst_mode[dev->scalar_ena], + str_size - bytes); + if (rc < 0) + goto done; + + bytes += rc; + + /* Update Tx offload info */ + for (i = 0; i < RTE_DIM(tx_offload_map); i++) { + if (dev->tx_offload_flags & tx_offload_map[i].flags) { + rc = rte_strscpy(mode->info + bytes, + tx_offload_map[i].output, + str_size - bytes); + if (rc < 0) + goto done; + + bytes += rc; + } + } + +done: + return 0; +} + +static void +nix_rx_head_tail_get(struct otx2_eth_dev *dev, + uint32_t *head, uint32_t *tail, uint16_t queue_idx) +{ + uint64_t reg, val; + + if (head == NULL || tail == NULL) + return; + + reg = (((uint64_t)queue_idx) << 32); + val = otx2_atomic64_add_nosync(reg, (int64_t *) + (dev->base + NIX_LF_CQ_OP_STATUS)); + if (val & (OP_ERR | CQ_ERR)) + val = 0; + + *tail = (uint32_t)(val & 0xFFFFF); + *head = (uint32_t)((val >> 20) & 0xFFFFF); +} + +uint32_t +otx2_nix_rx_queue_count(struct rte_eth_dev *eth_dev, uint16_t queue_idx) +{ + struct otx2_eth_rxq *rxq = eth_dev->data->rx_queues[queue_idx]; + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + uint32_t head, tail; + + nix_rx_head_tail_get(dev, &head, &tail, queue_idx); + return (tail - head) % rxq->qlen; +} + +static inline int +nix_offset_has_packet(uint32_t head, uint32_t tail, uint16_t offset) +{ + /* Check given offset(queue index) has packet filled by HW */ + if (tail > head && offset <= tail && offset >= head) + return 1; + /* Wrap around case */ + if (head > tail && (offset >= head || offset <= tail)) + return 1; + + return 0; +} + +int +otx2_nix_rx_descriptor_done(void *rx_queue, uint16_t offset) +{ + struct otx2_eth_rxq *rxq = rx_queue; + uint32_t head, tail; + + nix_rx_head_tail_get(otx2_eth_pmd_priv(rxq->eth_dev), + &head, &tail, rxq->rq); + + return nix_offset_has_packet(head, tail, offset); +} + +int +otx2_nix_rx_descriptor_status(void *rx_queue, uint16_t offset) +{ + struct otx2_eth_rxq *rxq = rx_queue; + uint32_t head, tail; + + if (rxq->qlen <= offset) + return -EINVAL; + + nix_rx_head_tail_get(otx2_eth_pmd_priv(rxq->eth_dev), + &head, &tail, rxq->rq); + + if (nix_offset_has_packet(head, tail, offset)) + return RTE_ETH_RX_DESC_DONE; + else + return RTE_ETH_RX_DESC_AVAIL; +} + +static void +nix_tx_head_tail_get(struct otx2_eth_dev *dev, + uint32_t *head, uint32_t *tail, uint16_t queue_idx) +{ + uint64_t reg, val; + + if (head == NULL || tail == NULL) + return; + + reg = (((uint64_t)queue_idx) << 32); + val = otx2_atomic64_add_nosync(reg, (int64_t *) + (dev->base + NIX_LF_SQ_OP_STATUS)); + if (val & OP_ERR) + val = 0; + + *tail = (uint32_t)((val >> 28) & 0x3F); + *head = (uint32_t)((val >> 20) & 0x3F); +} + +int +otx2_nix_tx_descriptor_status(void *tx_queue, uint16_t offset) +{ + struct otx2_eth_txq *txq = tx_queue; + uint32_t head, tail; + + if (txq->qconf.nb_desc <= offset) + return -EINVAL; + + nix_tx_head_tail_get(txq->dev, &head, &tail, txq->sq); + + if (nix_offset_has_packet(head, tail, offset)) + return RTE_ETH_TX_DESC_DONE; + else + return RTE_ETH_TX_DESC_FULL; +} + +/* It is a NOP for octeontx2 as HW frees the buffer on xmit */ +int +otx2_nix_tx_done_cleanup(void *txq, uint32_t free_cnt) +{ + RTE_SET_USED(txq); + RTE_SET_USED(free_cnt); + + return 0; +} + +int +otx2_nix_fw_version_get(struct rte_eth_dev *eth_dev, char *fw_version, + size_t fw_size) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + int rc = (int)fw_size; + + if (fw_size > sizeof(dev->mkex_pfl_name)) + rc = sizeof(dev->mkex_pfl_name); + + rc = strlcpy(fw_version, (char *)dev->mkex_pfl_name, rc); + + rc += 1; /* Add the size of '\0' */ + if (fw_size < (uint32_t)rc) + return rc; + + return 0; +} + +int +otx2_nix_pool_ops_supported(struct rte_eth_dev *eth_dev, const char *pool) +{ + RTE_SET_USED(eth_dev); + + if (!strcmp(pool, rte_mbuf_platform_mempool_ops())) + return 0; + + return -ENOTSUP; +} + +int +otx2_nix_dev_filter_ctrl(struct rte_eth_dev *eth_dev, + enum rte_filter_type filter_type, + enum rte_filter_op filter_op, void *arg) +{ + RTE_SET_USED(eth_dev); + + if (filter_type != RTE_ETH_FILTER_GENERIC) { + otx2_err("Unsupported filter type %d", filter_type); + return -ENOTSUP; + } + + if (filter_op == RTE_ETH_FILTER_GET) { + *(const void **)arg = &otx2_flow_ops; + return 0; + } + + otx2_err("Invalid filter_op %d", filter_op); + return -EINVAL; +} + +static struct cgx_fw_data * +nix_get_fwdata(struct otx2_eth_dev *dev) +{ + struct otx2_mbox *mbox = dev->mbox; + struct cgx_fw_data *rsp = NULL; + int rc; + + otx2_mbox_alloc_msg_cgx_get_aux_link_info(mbox); + + rc = otx2_mbox_process_msg(mbox, (void *)&rsp); + if (rc) { + otx2_err("Failed to get fw data: %d", rc); + return NULL; + } + + return rsp; +} + +int +otx2_nix_get_module_info(struct rte_eth_dev *eth_dev, + struct rte_eth_dev_module_info *modinfo) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct cgx_fw_data *rsp; + + rsp = nix_get_fwdata(dev); + if (rsp == NULL) + return -EIO; + + modinfo->type = rsp->fwdata.sfp_eeprom.sff_id; + modinfo->eeprom_len = SFP_EEPROM_SIZE; + + return 0; +} + +int +otx2_nix_get_module_eeprom(struct rte_eth_dev *eth_dev, + struct rte_dev_eeprom_info *info) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + struct cgx_fw_data *rsp; + + if (!info->data || !info->length || + (info->offset + info->length > SFP_EEPROM_SIZE)) + return -EINVAL; + + rsp = nix_get_fwdata(dev); + if (rsp == NULL) + return -EIO; + + otx2_mbox_memcpy(info->data, rsp->fwdata.sfp_eeprom.buf + info->offset, + info->length); + + return 0; +} + +int otx2_nix_info_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *devinfo) { struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); @@ -119,6 +585,10 @@ otx2_nix_info_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *devinfo) .offloads = 0, }; + devinfo->default_rxportconf = (struct rte_eth_dev_portconf) { + .ring_size = NIX_RX_DEFAULT_RING_SZ, + }; + devinfo->rx_desc_lim = (struct rte_eth_desc_lim) { .nb_max = UINT16_MAX, .nb_min = NIX_RX_MIN_DESC, @@ -143,4 +613,9 @@ otx2_nix_info_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *devinfo) devinfo->speed_capa |= ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G | ETH_LINK_SPEED_25G | ETH_LINK_SPEED_40G | ETH_LINK_SPEED_50G | ETH_LINK_SPEED_100G; + + devinfo->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP | + RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP; + + return 0; }