#define SZEDATA2_DEV_PATH_FMT "/dev/szedataII%u"
+/**
+ * Format string for suffix used to differentiate between Ethernet ports
+ * on the same PCI device.
+ */
+#define SZEDATA2_ETH_DEV_NAME_SUFFIX_FMT "-port%u"
+
+/**
+ * Maximum number of ports for one device.
+ */
+#define SZEDATA2_MAX_PORTS 2
+
+/**
+ * Entry in list of PCI devices for this driver.
+ */
+struct pci_dev_list_entry;
+struct pci_dev_list_entry {
+ LIST_ENTRY(pci_dev_list_entry) next;
+ struct rte_pci_device *pci_dev;
+ unsigned int port_count;
+};
+
+/* List of PCI devices with number of ports for this driver. */
+LIST_HEAD(pci_dev_list, pci_dev_list_entry) szedata2_pci_dev_list =
+ LIST_HEAD_INITIALIZER(szedata2_pci_dev_list);
+
+struct port_info {
+ unsigned int rx_base_id;
+ unsigned int tx_base_id;
+ unsigned int rx_count;
+ unsigned int tx_count;
+ int numa_node;
+};
+
struct pmd_internals {
struct rte_eth_dev *dev;
uint16_t max_rx_queues;
uint16_t max_tx_queues;
- char sze_dev[PATH_MAX];
- struct rte_mem_resource *pci_rsc;
+ unsigned int rxq_base_id;
+ unsigned int txq_base_id;
+ char *sze_dev_path;
};
struct szedata2_rx_queue {
struct pmd_internals *priv;
struct szedata *sze;
uint8_t rx_channel;
+ uint16_t qid;
uint16_t in_port;
struct rte_mempool *mb_pool;
volatile uint64_t rx_pkts;
struct pmd_internals *priv;
struct szedata *sze;
uint8_t tx_channel;
+ uint16_t qid;
volatile uint64_t tx_pkts;
volatile uint64_t tx_bytes;
volatile uint64_t err_pkts;
if (rxq->sze == NULL) {
uint32_t rx = 1 << rxq->rx_channel;
uint32_t tx = 0;
- rxq->sze = szedata_open(internals->sze_dev);
+ rxq->sze = szedata_open(internals->sze_dev_path);
if (rxq->sze == NULL)
return -EINVAL;
ret = szedata_subscribe3(rxq->sze, &rx, &tx);
if (txq->sze == NULL) {
uint32_t rx = 0;
uint32_t tx = 1 << txq->tx_channel;
- txq->sze = szedata_open(internals->sze_dev);
+ txq->sze = szedata_open(internals->sze_dev_path);
if (txq->sze == NULL)
return -EINVAL;
ret = szedata_subscribe3(txq->sze, &rx, &tx);
const struct rte_eth_rxconf *rx_conf __rte_unused,
struct rte_mempool *mb_pool)
{
- struct pmd_internals *internals = dev->data->dev_private;
struct szedata2_rx_queue *rxq;
int ret;
- uint32_t rx = 1 << rx_queue_id;
+ struct pmd_internals *internals = dev->data->dev_private;
+ uint8_t rx_channel = internals->rxq_base_id + rx_queue_id;
+ uint32_t rx = 1 << rx_channel;
uint32_t tx = 0;
+ PMD_INIT_FUNC_TRACE();
+
if (dev->data->rx_queues[rx_queue_id] != NULL) {
eth_rx_queue_release(dev->data->rx_queues[rx_queue_id]);
dev->data->rx_queues[rx_queue_id] = NULL;
}
rxq->priv = internals;
- rxq->sze = szedata_open(internals->sze_dev);
+ rxq->sze = szedata_open(internals->sze_dev_path);
if (rxq->sze == NULL) {
PMD_INIT_LOG(ERR, "szedata_open() failed for rx queue id "
"%" PRIu16 "!", rx_queue_id);
eth_rx_queue_release(rxq);
return -EINVAL;
}
- rxq->rx_channel = rx_queue_id;
+ rxq->rx_channel = rx_channel;
+ rxq->qid = rx_queue_id;
rxq->in_port = dev->data->port_id;
rxq->mb_pool = mb_pool;
rxq->rx_pkts = 0;
dev->data->rx_queues[rx_queue_id] = rxq;
PMD_INIT_LOG(DEBUG, "Configured rx queue id %" PRIu16 " on socket "
- "%u.", rx_queue_id, socket_id);
+ "%u (channel id %u).", rxq->qid, socket_id,
+ rxq->rx_channel);
return 0;
}
unsigned int socket_id,
const struct rte_eth_txconf *tx_conf __rte_unused)
{
- struct pmd_internals *internals = dev->data->dev_private;
struct szedata2_tx_queue *txq;
int ret;
+ struct pmd_internals *internals = dev->data->dev_private;
+ uint8_t tx_channel = internals->txq_base_id + tx_queue_id;
uint32_t rx = 0;
- uint32_t tx = 1 << tx_queue_id;
+ uint32_t tx = 1 << tx_channel;
+
+ PMD_INIT_FUNC_TRACE();
if (dev->data->tx_queues[tx_queue_id] != NULL) {
eth_tx_queue_release(dev->data->tx_queues[tx_queue_id]);
}
txq->priv = internals;
- txq->sze = szedata_open(internals->sze_dev);
+ txq->sze = szedata_open(internals->sze_dev_path);
if (txq->sze == NULL) {
PMD_INIT_LOG(ERR, "szedata_open() failed for tx queue id "
"%" PRIu16 "!", tx_queue_id);
eth_tx_queue_release(txq);
return -EINVAL;
}
- txq->tx_channel = tx_queue_id;
+ txq->tx_channel = tx_channel;
+ txq->qid = tx_queue_id;
txq->tx_pkts = 0;
txq->tx_bytes = 0;
txq->err_pkts = 0;
dev->data->tx_queues[tx_queue_id] = txq;
PMD_INIT_LOG(DEBUG, "Configured tx queue id %" PRIu16 " on socket "
- "%u.", tx_queue_id, socket_id);
+ "%u (channel id %u).", txq->qid, socket_id,
+ txq->tx_channel);
return 0;
}
return -1;
}
+/**
+ * @brief Initializes rte_eth_dev device.
+ * @param dev Device to initialize.
+ * @param pi Structure with info about DMA queues.
+ * @return 0 on success, negative error code on error.
+ */
static int
-rte_szedata2_eth_dev_init(struct rte_eth_dev *dev)
+rte_szedata2_eth_dev_init(struct rte_eth_dev *dev, struct port_info *pi)
{
+ int ret;
+ uint32_t szedata2_index;
+ char name[PATH_MAX];
struct rte_eth_dev_data *data = dev->data;
struct pmd_internals *internals = (struct pmd_internals *)
data->dev_private;
- struct szedata *szedata_temp;
- int ret;
- uint32_t szedata2_index;
struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
- struct rte_pci_addr *pci_addr = &pci_dev->addr;
- struct rte_mem_resource *pci_rsc =
- &pci_dev->mem_resource[PCI_RESOURCE_NUMBER];
- char rsc_filename[PATH_MAX];
- void *pci_resource_ptr = NULL;
- int fd;
- PMD_INIT_LOG(INFO, "Initializing szedata2 device (" PCI_PRI_FMT ")",
- pci_addr->domain, pci_addr->bus, pci_addr->devid,
- pci_addr->function);
+ PMD_INIT_FUNC_TRACE();
- internals->dev = dev;
+ PMD_INIT_LOG(INFO, "Initializing eth_dev %s (driver %s)", data->name,
+ dev->device->driver->name);
+ /* Fill internal private structure. */
+ internals->dev = dev;
/* Get index of szedata2 device file and create path to device file */
- ret = get_szedata2_index(pci_addr, &szedata2_index);
+ ret = get_szedata2_index(&pci_dev->addr, &szedata2_index);
if (ret != 0) {
PMD_INIT_LOG(ERR, "Failed to get szedata2 device index!");
return -ENODEV;
}
- snprintf(internals->sze_dev, PATH_MAX, SZEDATA2_DEV_PATH_FMT,
- szedata2_index);
-
- PMD_INIT_LOG(INFO, "SZEDATA2 path: %s", internals->sze_dev);
-
- /*
- * Get number of available DMA RX and TX channels, which is maximum
- * number of queues that can be created and store it in private device
- * data structure.
- */
- szedata_temp = szedata_open(internals->sze_dev);
- if (szedata_temp == NULL) {
- PMD_INIT_LOG(ERR, "szedata_open(): failed to open %s",
- internals->sze_dev);
- return -EINVAL;
+ snprintf(name, PATH_MAX, SZEDATA2_DEV_PATH_FMT, szedata2_index);
+ internals->sze_dev_path = strdup(name);
+ if (internals->sze_dev_path == NULL) {
+ PMD_INIT_LOG(ERR, "strdup() failed!");
+ return -ENOMEM;
}
- internals->max_rx_queues = szedata_ifaces_available(szedata_temp,
- SZE2_DIR_RX);
- internals->max_tx_queues = szedata_ifaces_available(szedata_temp,
- SZE2_DIR_TX);
- szedata_close(szedata_temp);
-
- PMD_INIT_LOG(INFO, "Available DMA channels RX: %u TX: %u",
- internals->max_rx_queues, internals->max_tx_queues);
+ PMD_INIT_LOG(INFO, "SZEDATA2 path: %s", internals->sze_dev_path);
+ internals->max_rx_queues = pi->rx_count;
+ internals->max_tx_queues = pi->tx_count;
+ internals->rxq_base_id = pi->rx_base_id;
+ internals->txq_base_id = pi->tx_base_id;
+ PMD_INIT_LOG(INFO, "%u RX DMA channels from id %u",
+ internals->max_rx_queues, internals->rxq_base_id);
+ PMD_INIT_LOG(INFO, "%u TX DMA channels from id %u",
+ internals->max_tx_queues, internals->txq_base_id);
/* Set rx, tx burst functions */
if (data->scattered_rx == 1)
/* Set function callbacks for Ethernet API */
dev->dev_ops = &ops;
- rte_eth_copy_pci_info(dev, pci_dev);
-
- /* mmap pci resource0 file to rte_mem_resource structure */
- if (pci_dev->mem_resource[PCI_RESOURCE_NUMBER].phys_addr ==
- 0) {
- PMD_INIT_LOG(ERR, "Missing resource%u file",
- PCI_RESOURCE_NUMBER);
- return -EINVAL;
- }
- snprintf(rsc_filename, PATH_MAX,
- "%s/" PCI_PRI_FMT "/resource%u", rte_pci_get_sysfs_path(),
- pci_addr->domain, pci_addr->bus,
- pci_addr->devid, pci_addr->function, PCI_RESOURCE_NUMBER);
- fd = open(rsc_filename, O_RDWR);
- if (fd < 0) {
- PMD_INIT_LOG(ERR, "Could not open file %s", rsc_filename);
- return -EINVAL;
- }
-
- pci_resource_ptr = mmap(0,
- pci_dev->mem_resource[PCI_RESOURCE_NUMBER].len,
- PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
- close(fd);
- if (pci_resource_ptr == MAP_FAILED) {
- PMD_INIT_LOG(ERR, "Could not mmap file %s (fd = %d)",
- rsc_filename, fd);
- return -EINVAL;
- }
- pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr = pci_resource_ptr;
- internals->pci_rsc = pci_rsc;
-
- PMD_INIT_LOG(DEBUG, "resource%u phys_addr = 0x%llx len = %llu "
- "virt addr = %llx", PCI_RESOURCE_NUMBER,
- (unsigned long long)pci_rsc->phys_addr,
- (unsigned long long)pci_rsc->len,
- (unsigned long long)pci_rsc->addr);
-
/* Get link state */
eth_link_update(dev, 0);
RTE_CACHE_LINE_SIZE);
if (data->mac_addrs == NULL) {
PMD_INIT_LOG(ERR, "Could not alloc space for MAC address!");
- munmap(pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr,
- pci_dev->mem_resource[PCI_RESOURCE_NUMBER].len);
- return -EINVAL;
+ free(internals->sze_dev_path);
+ return -ENOMEM;
}
ether_addr_copy(ð_addr, data->mac_addrs);
- PMD_INIT_LOG(INFO, "szedata2 device ("
- PCI_PRI_FMT ") successfully initialized",
- pci_addr->domain, pci_addr->bus, pci_addr->devid,
- pci_addr->function);
+ PMD_INIT_LOG(INFO, "%s device %s successfully initialized",
+ dev->device->driver->name, data->name);
return 0;
}
+/**
+ * @brief Unitializes rte_eth_dev device.
+ * @param dev Device to uninitialize.
+ * @return 0 on success, negative error code on error.
+ */
static int
rte_szedata2_eth_dev_uninit(struct rte_eth_dev *dev)
{
- struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
- struct rte_pci_addr *pci_addr = &pci_dev->addr;
+ struct pmd_internals *internals = (struct pmd_internals *)
+ dev->data->dev_private;
+
+ PMD_INIT_FUNC_TRACE();
+ free(internals->sze_dev_path);
rte_free(dev->data->mac_addrs);
- dev->data->mac_addrs = NULL;
- munmap(pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr,
- pci_dev->mem_resource[PCI_RESOURCE_NUMBER].len);
- PMD_DRV_LOG(INFO, "szedata2 device ("
- PCI_PRI_FMT ") successfully uninitialized",
- pci_addr->domain, pci_addr->bus, pci_addr->devid,
- pci_addr->function);
+ PMD_DRV_LOG(INFO, "%s device %s successfully uninitialized",
+ dev->device->driver->name, dev->data->name);
return 0;
}
RTE_PCI_DEVICE(PCI_VENDOR_ID_NETCOPE,
PCI_DEVICE_ID_NETCOPE_COMBO100G2)
},
+ {
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_NETCOPE,
+ PCI_DEVICE_ID_NETCOPE_NFB200G2QL)
+ },
{
.vendor_id = 0,
}
};
+/**
+ * @brief Gets info about DMA queues for ports.
+ * @param pci_dev PCI device structure.
+ * @param port_count Pointer to variable set with number of ports.
+ * @param pi Pointer to array of structures with info about DMA queues
+ * for ports.
+ * @param max_ports Maximum number of ports.
+ * @return 0 on success, negative error code on error.
+ */
+static int
+get_port_info(struct rte_pci_device *pci_dev, unsigned int *port_count,
+ struct port_info *pi, unsigned int max_ports)
+{
+ struct szedata *szedata_temp;
+ char sze_dev_path[PATH_MAX];
+ uint32_t szedata2_index;
+ int ret;
+ uint16_t max_rx_queues;
+ uint16_t max_tx_queues;
+
+ if (max_ports == 0)
+ return -EINVAL;
+
+ memset(pi, 0, max_ports * sizeof(struct port_info));
+ *port_count = 0;
+
+ /* Get index of szedata2 device file and create path to device file */
+ ret = get_szedata2_index(&pci_dev->addr, &szedata2_index);
+ if (ret != 0) {
+ PMD_INIT_LOG(ERR, "Failed to get szedata2 device index!");
+ return -ENODEV;
+ }
+ snprintf(sze_dev_path, PATH_MAX, SZEDATA2_DEV_PATH_FMT, szedata2_index);
+
+ /*
+ * Get number of available DMA RX and TX channels, which is maximum
+ * number of queues that can be created.
+ */
+ szedata_temp = szedata_open(sze_dev_path);
+ if (szedata_temp == NULL) {
+ PMD_INIT_LOG(ERR, "szedata_open(%s) failed", sze_dev_path);
+ return -EINVAL;
+ }
+ max_rx_queues = szedata_ifaces_available(szedata_temp, SZE2_DIR_RX);
+ max_tx_queues = szedata_ifaces_available(szedata_temp, SZE2_DIR_TX);
+ PMD_INIT_LOG(INFO, "Available DMA channels RX: %u TX: %u",
+ max_rx_queues, max_tx_queues);
+ if (max_rx_queues > RTE_ETH_SZEDATA2_MAX_RX_QUEUES) {
+ PMD_INIT_LOG(ERR, "%u RX queues exceeds supported number %u",
+ max_rx_queues, RTE_ETH_SZEDATA2_MAX_RX_QUEUES);
+ szedata_close(szedata_temp);
+ return -EINVAL;
+ }
+ if (max_tx_queues > RTE_ETH_SZEDATA2_MAX_TX_QUEUES) {
+ PMD_INIT_LOG(ERR, "%u TX queues exceeds supported number %u",
+ max_tx_queues, RTE_ETH_SZEDATA2_MAX_TX_QUEUES);
+ szedata_close(szedata_temp);
+ return -EINVAL;
+ }
+
+ if (pci_dev->id.device_id == PCI_DEVICE_ID_NETCOPE_NFB200G2QL) {
+ unsigned int i;
+ unsigned int rx_queues = max_rx_queues / max_ports;
+ unsigned int tx_queues = max_tx_queues / max_ports;
+
+ /*
+ * Number of queues reported by szedata_ifaces_available()
+ * is the number of all queues from all DMA controllers which
+ * may reside at different numa locations.
+ * All queues from the same DMA controller have the same numa
+ * node.
+ * Numa node from the first queue of each DMA controller is
+ * retrieved.
+ * If the numa node differs from the numa node of the queues
+ * from the previous DMA controller the queues are assigned
+ * to the next port.
+ */
+
+ for (i = 0; i < max_ports; i++) {
+ int numa_rx = szedata_get_area_numa_node(szedata_temp,
+ SZE2_DIR_RX, rx_queues * i);
+ int numa_tx = szedata_get_area_numa_node(szedata_temp,
+ SZE2_DIR_TX, tx_queues * i);
+ unsigned int port_rx_queues = numa_rx != -1 ?
+ rx_queues : 0;
+ unsigned int port_tx_queues = numa_tx != -1 ?
+ tx_queues : 0;
+ PMD_INIT_LOG(DEBUG, "%u rx queues from id %u, numa %d",
+ rx_queues, rx_queues * i, numa_rx);
+ PMD_INIT_LOG(DEBUG, "%u tx queues from id %u, numa %d",
+ tx_queues, tx_queues * i, numa_tx);
+
+ if (port_rx_queues != 0 && port_tx_queues != 0 &&
+ numa_rx != numa_tx) {
+ PMD_INIT_LOG(ERR, "RX queue %u numa %d differs "
+ "from TX queue %u numa %d "
+ "unexpectedly",
+ rx_queues * i, numa_rx,
+ tx_queues * i, numa_tx);
+ szedata_close(szedata_temp);
+ return -EINVAL;
+ } else if (port_rx_queues == 0 && port_tx_queues == 0) {
+ continue;
+ } else {
+ unsigned int j;
+ unsigned int current = *port_count;
+ int port_numa = port_rx_queues != 0 ?
+ numa_rx : numa_tx;
+
+ for (j = 0; j < *port_count; j++) {
+ if (pi[j].numa_node ==
+ port_numa) {
+ current = j;
+ break;
+ }
+ }
+ if (pi[current].rx_count == 0 &&
+ pi[current].tx_count == 0) {
+ pi[current].rx_base_id = rx_queues * i;
+ pi[current].tx_base_id = tx_queues * i;
+ (*port_count)++;
+ } else if ((rx_queues * i !=
+ pi[current].rx_base_id +
+ pi[current].rx_count) ||
+ (tx_queues * i !=
+ pi[current].tx_base_id +
+ pi[current].tx_count)) {
+ PMD_INIT_LOG(ERR, "Queue ids does not "
+ "fulfill constraints");
+ szedata_close(szedata_temp);
+ return -EINVAL;
+ }
+ pi[current].rx_count += port_rx_queues;
+ pi[current].tx_count += port_tx_queues;
+ pi[current].numa_node = port_numa;
+ }
+ }
+ } else {
+ pi[0].rx_count = max_rx_queues;
+ pi[0].tx_count = max_tx_queues;
+ pi[0].numa_node = pci_dev->device.numa_node;
+ *port_count = 1;
+ }
+
+ szedata_close(szedata_temp);
+ return 0;
+}
+
+/**
+ * @brief Allocates rte_eth_dev device.
+ * @param pci_dev Corresponding PCI device.
+ * @param numa_node NUMA node on which device is allocated.
+ * @param port_no Id of rte_eth_device created on PCI device pci_dev.
+ * @return Pointer to allocated device or NULL on error.
+ */
+static struct rte_eth_dev *
+szedata2_eth_dev_allocate(struct rte_pci_device *pci_dev, int numa_node,
+ unsigned int port_no)
+{
+ struct rte_eth_dev *eth_dev;
+ char name[RTE_ETH_NAME_MAX_LEN];
+
+ PMD_INIT_FUNC_TRACE();
+
+ snprintf(name, RTE_ETH_NAME_MAX_LEN, "%s"
+ SZEDATA2_ETH_DEV_NAME_SUFFIX_FMT,
+ pci_dev->device.name, port_no);
+ PMD_INIT_LOG(DEBUG, "Allocating eth_dev %s", name);
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ eth_dev = rte_eth_dev_allocate(name);
+ if (!eth_dev)
+ return NULL;
+
+ eth_dev->data->dev_private = rte_zmalloc_socket(name,
+ sizeof(struct pmd_internals), RTE_CACHE_LINE_SIZE,
+ numa_node);
+ if (!eth_dev->data->dev_private) {
+ rte_eth_dev_release_port(eth_dev);
+ return NULL;
+ }
+ } else {
+ eth_dev = rte_eth_dev_attach_secondary(name);
+ if (!eth_dev)
+ return NULL;
+ }
+
+ eth_dev->device = &pci_dev->device;
+ rte_eth_copy_pci_info(eth_dev, pci_dev);
+ eth_dev->data->numa_node = numa_node;
+ return eth_dev;
+}
+
+/**
+ * @brief Releases interval of rte_eth_dev devices from array.
+ * @param eth_devs Array of pointers to rte_eth_dev devices.
+ * @param from Index in array eth_devs to start with.
+ * @param to Index in array right after the last element to release.
+ *
+ * Used for releasing at failed initialization.
+ */
+static void
+szedata2_eth_dev_release_interval(struct rte_eth_dev **eth_devs,
+ unsigned int from, unsigned int to)
+{
+ unsigned int i;
+
+ PMD_INIT_FUNC_TRACE();
+
+ for (i = from; i < to; i++) {
+ rte_szedata2_eth_dev_uninit(eth_devs[i]);
+ rte_eth_dev_pci_release(eth_devs[i]);
+ }
+}
+
+/**
+ * @brief Callback .probe for struct rte_pci_driver.
+ */
static int szedata2_eth_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
struct rte_pci_device *pci_dev)
{
- return rte_eth_dev_pci_generic_probe(pci_dev,
- sizeof(struct pmd_internals), rte_szedata2_eth_dev_init);
+ struct port_info port_info[SZEDATA2_MAX_PORTS];
+ unsigned int port_count;
+ int ret;
+ unsigned int i;
+ struct pci_dev_list_entry *list_entry;
+ struct rte_eth_dev *eth_devs[SZEDATA2_MAX_PORTS] = {NULL,};
+
+ PMD_INIT_FUNC_TRACE();
+
+ ret = get_port_info(pci_dev, &port_count, port_info,
+ SZEDATA2_MAX_PORTS);
+ if (ret != 0)
+ return ret;
+
+ if (port_count == 0) {
+ PMD_INIT_LOG(ERR, "No available ports!");
+ return -ENODEV;
+ }
+
+ list_entry = rte_zmalloc(NULL, sizeof(struct pci_dev_list_entry),
+ RTE_CACHE_LINE_SIZE);
+ if (list_entry == NULL) {
+ PMD_INIT_LOG(ERR, "rte_zmalloc() failed!");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < port_count; i++) {
+ eth_devs[i] = szedata2_eth_dev_allocate(pci_dev,
+ port_info[i].numa_node, i);
+ if (eth_devs[i] == NULL) {
+ PMD_INIT_LOG(ERR, "Failed to alloc eth_dev for port %u",
+ i);
+ szedata2_eth_dev_release_interval(eth_devs, 0, i);
+ rte_free(list_entry);
+ return -ENOMEM;
+ }
+
+ ret = rte_szedata2_eth_dev_init(eth_devs[i], &port_info[i]);
+ if (ret != 0) {
+ PMD_INIT_LOG(ERR, "Failed to init eth_dev for port %u",
+ i);
+ rte_eth_dev_pci_release(eth_devs[i]);
+ szedata2_eth_dev_release_interval(eth_devs, 0, i);
+ rte_free(list_entry);
+ return ret;
+ }
+ }
+
+ /*
+ * Add pci_dev to list of PCI devices for this driver
+ * which is used at remove callback to release all created eth_devs.
+ */
+ list_entry->pci_dev = pci_dev;
+ list_entry->port_count = port_count;
+ LIST_INSERT_HEAD(&szedata2_pci_dev_list, list_entry, next);
+ return 0;
}
+/**
+ * @brief Callback .remove for struct rte_pci_driver.
+ */
static int szedata2_eth_pci_remove(struct rte_pci_device *pci_dev)
{
- return rte_eth_dev_pci_generic_remove(pci_dev,
- rte_szedata2_eth_dev_uninit);
+ unsigned int i;
+ unsigned int port_count;
+ char name[RTE_ETH_NAME_MAX_LEN];
+ struct rte_eth_dev *eth_dev;
+ int ret;
+ int retval = 0;
+ bool found = false;
+ struct pci_dev_list_entry *list_entry = NULL;
+
+ PMD_INIT_FUNC_TRACE();
+
+ LIST_FOREACH(list_entry, &szedata2_pci_dev_list, next) {
+ if (list_entry->pci_dev == pci_dev) {
+ port_count = list_entry->port_count;
+ found = true;
+ break;
+ }
+ }
+ LIST_REMOVE(list_entry, next);
+ rte_free(list_entry);
+
+ if (!found) {
+ PMD_DRV_LOG(ERR, "PCI device " PCI_PRI_FMT " not found",
+ pci_dev->addr.domain, pci_dev->addr.bus,
+ pci_dev->addr.devid, pci_dev->addr.function);
+ return -ENODEV;
+ }
+
+ for (i = 0; i < port_count; i++) {
+ snprintf(name, RTE_ETH_NAME_MAX_LEN, "%s"
+ SZEDATA2_ETH_DEV_NAME_SUFFIX_FMT,
+ pci_dev->device.name, i);
+ PMD_DRV_LOG(DEBUG, "Removing eth_dev %s", name);
+ eth_dev = rte_eth_dev_allocated(name);
+ if (!eth_dev) {
+ PMD_DRV_LOG(ERR, "eth_dev %s not found", name);
+ retval = retval ? retval : -ENODEV;
+ }
+
+ ret = rte_szedata2_eth_dev_uninit(eth_dev);
+ if (ret != 0) {
+ PMD_DRV_LOG(ERR, "eth_dev %s uninit failed", name);
+ retval = retval ? retval : ret;
+ }
+
+ rte_eth_dev_pci_release(eth_dev);
+ }
+
+ return retval;
}
static struct rte_pci_driver szedata2_eth_driver = {
git.droids-corp.org / dpdk.git / commitdiff