X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_ether%2Frte_ethdev.c;h=e67e2508bc224133d3da16e73092bc643a811e98;hb=921f6cf18f9e670ec72b55c1c5c599042ac8af36;hp=9f60ff397a73ebed4f7d9f16a208d25bfcc85521;hpb=5c51e4044585a8f52d7dde1ffe6a5616b11abf7c;p=dpdk.git diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index 9f60ff397a..e67e2508bc 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -189,6 +189,21 @@ rte_eth_dev_find_free_port(void) return RTE_MAX_ETHPORTS; } +static struct rte_eth_dev * +eth_dev_get(uint8_t port_id) +{ + struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id]; + + eth_dev->data = &rte_eth_dev_data[port_id]; + eth_dev->attached = DEV_ATTACHED; + TAILQ_INIT(&(eth_dev->link_intr_cbs)); + + eth_dev_last_created_port = port_id; + nb_ports++; + + return eth_dev; +} + struct rte_eth_dev * rte_eth_dev_allocate(const char *name) { @@ -210,17 +225,43 @@ rte_eth_dev_allocate(const char *name) return NULL; } - eth_dev = &rte_eth_devices[port_id]; - eth_dev->data = &rte_eth_dev_data[port_id]; - memset(eth_dev->data, 0, sizeof(*eth_dev->data)); + memset(&rte_eth_devices[port_id], 0, sizeof(*eth_dev->data)); + eth_dev = eth_dev_get(port_id); snprintf(eth_dev->data->name, sizeof(eth_dev->data->name), "%s", name); eth_dev->data->port_id = port_id; eth_dev->data->mtu = ETHER_MTU; - TAILQ_INIT(&(eth_dev->link_intr_cbs)); - eth_dev->attached = DEV_ATTACHED; - eth_dev_last_created_port = port_id; - nb_ports++; + return eth_dev; +} + +/* + * Attach to a port already registered by the primary process, which + * makes sure that the same device would have the same port id both + * in the primary and secondary process. + */ +static struct rte_eth_dev * +eth_dev_attach_secondary(const char *name) +{ + uint8_t i; + struct rte_eth_dev *eth_dev; + + if (rte_eth_dev_data == NULL) + rte_eth_dev_data_alloc(); + + for (i = 0; i < RTE_MAX_ETHPORTS; i++) { + if (strcmp(rte_eth_dev_data[i].name, name) == 0) + break; + } + if (i == RTE_MAX_ETHPORTS) { + RTE_PMD_DEBUG_TRACE( + "device %s is not driven by the primary process\n", + name); + return NULL; + } + + eth_dev = eth_dev_get(i); + RTE_ASSERT(eth_dev->data->port_id == i); + return eth_dev; } @@ -250,18 +291,31 @@ rte_eth_dev_pci_probe(struct rte_pci_driver *pci_drv, rte_eal_pci_device_name(&pci_dev->addr, ethdev_name, sizeof(ethdev_name)); - eth_dev = rte_eth_dev_allocate(ethdev_name); - if (eth_dev == NULL) - return -ENOMEM; - if (rte_eal_process_type() == RTE_PROC_PRIMARY) { + eth_dev = rte_eth_dev_allocate(ethdev_name); + if (eth_dev == NULL) + return -ENOMEM; + eth_dev->data->dev_private = rte_zmalloc("ethdev private structure", eth_drv->dev_private_size, RTE_CACHE_LINE_SIZE); if (eth_dev->data->dev_private == NULL) rte_panic("Cannot allocate memzone for private port data\n"); + } else { + eth_dev = eth_dev_attach_secondary(ethdev_name); + if (eth_dev == NULL) { + /* + * if we failed to attach a device, it means the + * device is skipped in primary process, due to + * some errors. If so, we return a positive value, + * to let EAL skip it for the secondary process + * as well. + */ + return 1; + } } - eth_dev->pci_dev = pci_dev; + eth_dev->device = &pci_dev->device; + eth_dev->intr_handle = &pci_dev->intr_handle; eth_dev->driver = eth_drv; /* Invoke PMD device initialization function */ @@ -312,7 +366,7 @@ rte_eth_dev_pci_remove(struct rte_pci_device *pci_dev) if (rte_eal_process_type() == RTE_PROC_PRIMARY) rte_free(eth_dev->data->dev_private); - eth_dev->pci_dev = NULL; + eth_dev->device = NULL; eth_dev->driver = NULL; eth_dev->data = NULL; @@ -1526,8 +1580,11 @@ rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstat *xstats, } } - for (i = 0; i < count + xcount; i++) + for (i = 0; i < count; i++) xstats[i].id = i; + /* add an offset to driver-specific stats */ + for ( ; i < count + xcount; i++) + xstats[i].id += count; return count + xcount; } @@ -1584,6 +1641,18 @@ rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id, uint16_t rx_queue_id, STAT_QMAP_RX); } +int +rte_eth_dev_fw_version_get(uint8_t port_id, char *fw_version, size_t fw_size) +{ + struct rte_eth_dev *dev; + + RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); + dev = &rte_eth_devices[port_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->fw_version_get, -ENOTSUP); + return (*dev->dev_ops->fw_version_get)(dev, fw_version, fw_size); +} + void rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info) { @@ -1603,7 +1672,6 @@ rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info) RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get); (*dev->dev_ops->dev_infos_get)(dev, dev_info); - dev_info->pci_dev = dev->pci_dev; dev_info->driver_name = dev->data->drv_name; dev_info->nb_rx_queues = dev->data->nb_rx_queues; dev_info->nb_tx_queues = dev->data->nb_tx_queues; @@ -2591,7 +2659,13 @@ rte_eth_dev_rx_intr_ctl(uint8_t port_id, int epfd, int op, void *data) RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); dev = &rte_eth_devices[port_id]; - intr_handle = &dev->pci_dev->intr_handle; + + if (!dev->intr_handle) { + RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n"); + return -ENOTSUP; + } + + intr_handle = dev->intr_handle; if (!intr_handle->intr_vec) { RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n"); return -EPERM; @@ -2619,7 +2693,7 @@ rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name, const struct rte_memzone *mz; snprintf(z_name, sizeof(z_name), "%s_%s_%d_%d", - dev->driver->pci_drv.driver.name, ring_name, + dev->data->drv_name, ring_name, dev->data->port_id, queue_id); mz = rte_memzone_lookup(z_name); @@ -2651,7 +2725,12 @@ rte_eth_dev_rx_intr_ctl_q(uint8_t port_id, uint16_t queue_id, return -EINVAL; } - intr_handle = &dev->pci_dev->intr_handle; + if (!dev->intr_handle) { + RTE_PMD_DEBUG_TRACE("RX Intr handle unset\n"); + return -ENOTSUP; + } + + intr_handle = dev->intr_handle; if (!intr_handle->intr_vec) { RTE_PMD_DEBUG_TRACE("RX Intr vector unset\n"); return -EPERM; @@ -3253,11 +3332,11 @@ rte_eth_copy_pci_info(struct rte_eth_dev *eth_dev, struct rte_pci_device *pci_de return; } + eth_dev->intr_handle = &pci_dev->intr_handle; + eth_dev->data->dev_flags = 0; if (pci_dev->driver->drv_flags & RTE_PCI_DRV_INTR_LSC) eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC; - if (pci_dev->driver->drv_flags & RTE_PCI_DRV_DETACHABLE) - eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE; eth_dev->data->kdrv = pci_dev->kdrv; eth_dev->data->numa_node = pci_dev->device.numa_node;