return ret;
}
-/**
- * Uninitialize shared data between primary and secondary process.
- *
- * The pointer of secondary process is dereferenced and primary process frees
- * the memzone.
- */
-static void
-mlx4_uninit_shared_data(void)
-{
- const struct rte_memzone *mz;
-
- rte_spinlock_lock(&mlx4_shared_data_lock);
- if (mlx4_shared_data) {
- if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
- mz = rte_memzone_lookup(MZ_MLX4_PMD_SHARED_DATA);
- rte_memzone_free(mz);
- } else {
- memset(&mlx4_local_data, 0, sizeof(mlx4_local_data));
- }
- mlx4_shared_data = NULL;
- }
- rte_spinlock_unlock(&mlx4_shared_data_lock);
-}
-
#ifdef HAVE_IBV_MLX4_BUF_ALLOCATORS
/**
* Verbs callback to allocate a memory. This function should allocate the space
}
#endif
+/**
+ * Initialize process private data structure.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+mlx4_proc_priv_init(struct rte_eth_dev *dev)
+{
+ struct mlx4_proc_priv *ppriv;
+ size_t ppriv_size;
+
+ /*
+ * UAR register table follows the process private structure. BlueFlame
+ * registers for Tx queues are stored in the table.
+ */
+ ppriv_size = sizeof(struct mlx4_proc_priv) +
+ dev->data->nb_tx_queues * sizeof(void *);
+ ppriv = rte_malloc_socket("mlx4_proc_priv", ppriv_size,
+ RTE_CACHE_LINE_SIZE, dev->device->numa_node);
+ if (!ppriv) {
+ rte_errno = ENOMEM;
+ return -rte_errno;
+ }
+ ppriv->uar_table_sz = ppriv_size;
+ dev->process_private = ppriv;
+ return 0;
+}
+
+/**
+ * Un-initialize process private data structure.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ */
+static void
+mlx4_proc_priv_uninit(struct rte_eth_dev *dev)
+{
+ if (!dev->process_private)
+ return;
+ rte_free(dev->process_private);
+ dev->process_private = NULL;
+}
+
/**
* DPDK callback for Ethernet device configuration.
*
goto exit;
}
ret = mlx4_intr_install(priv);
- if (ret)
+ if (ret) {
ERROR("%p: interrupt handler installation failed",
(void *)dev);
+ goto exit;
+ }
+ ret = mlx4_proc_priv_init(dev);
+ if (ret) {
+ ERROR("%p: process private data allocation failed",
+ (void *)dev);
+ goto exit;
+ }
exit:
return ret;
}
return 0;
DEBUG("%p: attaching configured flows to all RX queues", (void *)dev);
priv->started = 1;
- ret = mlx4_tx_uar_remap(dev, priv->ctx->cmd_fd);
- if (ret) {
- ERROR("%p: cannot remap UAR", (void *)dev);
- goto err;
- }
ret = mlx4_rss_init(priv);
if (ret) {
ERROR("%p: cannot initialize RSS resources: %s",
mlx4_dev_stop(struct rte_eth_dev *dev)
{
struct mlx4_priv *priv = dev->data->dev_private;
- const size_t page_size = sysconf(_SC_PAGESIZE);
- int i;
if (!priv->started)
return;
mlx4_flow_sync(priv, NULL);
mlx4_rxq_intr_disable(priv);
mlx4_rss_deinit(priv);
- for (i = 0; i != dev->data->nb_tx_queues; ++i) {
- struct txq *txq;
-
- txq = dev->data->tx_queues[i];
- if (!txq)
- continue;
- munmap((void *)RTE_ALIGN_FLOOR((uintptr_t)txq->msq.db,
- page_size), page_size);
- }
}
/**
mlx4_rx_queue_release(dev->data->rx_queues[i]);
for (i = 0; i != dev->data->nb_tx_queues; ++i)
mlx4_tx_queue_release(dev->data->tx_queues[i]);
+ mlx4_proc_priv_uninit(dev);
mlx4_mr_release(dev);
if (priv->pd != NULL) {
assert(priv->ctx != NULL);
.mac_addr_remove = mlx4_mac_addr_remove,
.mac_addr_add = mlx4_mac_addr_add,
.mac_addr_set = mlx4_mac_addr_set,
+ .set_mc_addr_list = mlx4_set_mc_addr_list,
.stats_get = mlx4_stats_get,
.stats_reset = mlx4_stats_reset,
.fw_version_get = mlx4_fw_version_get,
static struct rte_pci_driver mlx4_driver;
-static int
-find_lower_va_bound(const struct rte_memseg_list *msl,
- const struct rte_memseg *ms, void *arg)
-{
- void **addr = arg;
-
- if (msl->external)
- return 0;
- if (*addr == NULL)
- *addr = ms->addr;
- else
- *addr = RTE_MIN(*addr, ms->addr);
-
- return 0;
-}
-
-/**
- * Reserve UAR address space for primary process.
- *
- * Process local resource is used by both primary and secondary to avoid
- * duplicate reservation. The space has to be available on both primary and
- * secondary process, TXQ UAR maps to this area using fixed mmap w/o double
- * check.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx4_uar_init_primary(void)
-{
- struct mlx4_shared_data *sd = mlx4_shared_data;
- void *addr = (void *)0;
-
- if (sd->uar_base)
- return 0;
- /* find out lower bound of hugepage segments */
- rte_memseg_walk(find_lower_va_bound, &addr);
- /* keep distance to hugepages to minimize potential conflicts. */
- addr = RTE_PTR_SUB(addr, (uintptr_t)(MLX4_UAR_OFFSET + MLX4_UAR_SIZE));
- /* anonymous mmap, no real memory consumption. */
- addr = mmap(addr, MLX4_UAR_SIZE,
- PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
- if (addr == MAP_FAILED) {
- ERROR("failed to reserve UAR address space, please"
- " adjust MLX4_UAR_SIZE or try --base-virtaddr");
- rte_errno = ENOMEM;
- return -rte_errno;
- }
- /* Accept either same addr or a new addr returned from mmap if target
- * range occupied.
- */
- INFO("reserved UAR address space: %p", addr);
- sd->uar_base = addr; /* for primary and secondary UAR re-mmap. */
- return 0;
-}
-
-/**
- * Unmap UAR address space reserved for primary process.
- */
-static void
-mlx4_uar_uninit_primary(void)
-{
- struct mlx4_shared_data *sd = mlx4_shared_data;
-
- if (!sd->uar_base)
- return;
- munmap(sd->uar_base, MLX4_UAR_SIZE);
- sd->uar_base = NULL;
-}
-
-/**
- * Reserve UAR address space for secondary process, align with primary process.
- *
- * @return
- * 0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx4_uar_init_secondary(void)
-{
- struct mlx4_shared_data *sd = mlx4_shared_data;
- struct mlx4_local_data *ld = &mlx4_local_data;
- void *addr;
-
- if (ld->uar_base) { /* Already reserved. */
- assert(sd->uar_base == ld->uar_base);
- return 0;
- }
- assert(sd->uar_base);
- /* anonymous mmap, no real memory consumption. */
- addr = mmap(sd->uar_base, MLX4_UAR_SIZE,
- PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
- if (addr == MAP_FAILED) {
- ERROR("UAR mmap failed: %p size: %llu",
- sd->uar_base, MLX4_UAR_SIZE);
- rte_errno = ENXIO;
- return -rte_errno;
- }
- if (sd->uar_base != addr) {
- ERROR("UAR address %p size %llu occupied, please"
- " adjust MLX4_UAR_OFFSET or try EAL parameter"
- " --base-virtaddr",
- sd->uar_base, MLX4_UAR_SIZE);
- rte_errno = ENXIO;
- return -rte_errno;
- }
- ld->uar_base = addr;
- INFO("reserved UAR address space: %p", addr);
- return 0;
-}
-
-/**
- * Unmap UAR address space reserved for secondary process.
- */
-static void
-mlx4_uar_uninit_secondary(void)
-{
- struct mlx4_local_data *ld = &mlx4_local_data;
-
- if (!ld->uar_base)
- return;
- munmap(ld->uar_base, MLX4_UAR_SIZE);
- ld->uar_base = NULL;
-}
-
/**
* PMD global initialization.
*
{
struct mlx4_shared_data *sd;
struct mlx4_local_data *ld = &mlx4_local_data;
- int ret;
if (mlx4_init_shared_data())
return -rte_errno;
rte_mem_event_callback_register("MLX4_MEM_EVENT_CB",
mlx4_mr_mem_event_cb, NULL);
mlx4_mp_init_primary();
- ret = mlx4_uar_init_primary();
- if (ret)
- goto error;
sd->init_done = true;
break;
case RTE_PROC_SECONDARY:
if (ld->init_done)
break;
mlx4_mp_init_secondary();
- ret = mlx4_uar_init_secondary();
- if (ret)
- goto error;
++sd->secondary_cnt;
ld->init_done = true;
break;
}
rte_spinlock_unlock(&sd->lock);
return 0;
-error:
- switch (rte_eal_process_type()) {
- case RTE_PROC_PRIMARY:
- mlx4_uar_uninit_primary();
- mlx4_mp_uninit_primary();
- rte_mem_event_callback_unregister("MLX4_MEM_EVENT_CB", NULL);
- break;
- case RTE_PROC_SECONDARY:
- mlx4_uar_uninit_secondary();
- mlx4_mp_uninit_secondary();
- break;
- default:
- break;
- }
- rte_spinlock_unlock(&sd->lock);
- mlx4_uninit_shared_data();
- return -rte_errno;
}
/**
struct ibv_pd *pd = NULL;
struct mlx4_priv *priv = NULL;
struct rte_eth_dev *eth_dev = NULL;
- struct ether_addr mac;
+ struct rte_ether_addr mac;
char name[RTE_ETH_NAME_MAX_LEN];
/* If port is not enabled, skip. */
}
eth_dev->device = &pci_dev->device;
eth_dev->dev_ops = &mlx4_dev_sec_ops;
+ err = mlx4_proc_priv_init(eth_dev);
+ if (err)
+ goto error;
/* Receive command fd from primary process. */
err = mlx4_mp_req_verbs_cmd_fd(eth_dev);
if (err < 0) {
goto error;
}
/* Remap UAR for Tx queues. */
- err = mlx4_tx_uar_remap(eth_dev, err);
+ err = mlx4_tx_uar_init_secondary(eth_dev, err);
if (err) {
err = rte_errno;
goto error;
priv->device_attr = device_attr;
priv->port = port;
priv->pd = pd;
- priv->mtu = ETHER_MTU;
+ priv->mtu = RTE_ETHER_MTU;
priv->vf = vf;
priv->hw_csum = !!(device_attr.device_cap_flags &
IBV_DEVICE_RAW_IP_CSUM);
git.droids-corp.org / dpdk.git / blobdiff