[v2,02/17] net/mana: add device configuration and stop
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Commit Message
From: Long Li <longli@microsoft.com>
MANA defines its memory allocation functions to override IB layer default
functions to allocate device queues. This patch adds the code for device
configuration and stop.
Signed-off-by: Long Li <longli@microsoft.com>
---
Change log:
v2:
Removed validation for offload settings in mana_dev_configure().
drivers/net/mana/mana.c | 75 +++++++++++++++++++++++++++++++++++++++--
drivers/net/mana/mana.h | 3 ++
2 files changed, 76 insertions(+), 2 deletions(-)
@@ -40,7 +40,79 @@ static rte_spinlock_t mana_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
int mana_logtype_driver;
int mana_logtype_init;
+void *mana_alloc_verbs_buf(size_t size, void *data)
+{
+ void *ret;
+ size_t alignment = rte_mem_page_size();
+ int socket = (int)(uintptr_t)data;
+
+ DRV_LOG(DEBUG, "size=%zu socket=%d", size, socket);
+
+ if (alignment == (size_t)-1) {
+ DRV_LOG(ERR, "Failed to get mem page size");
+ rte_errno = ENOMEM;
+ return NULL;
+ }
+
+ ret = rte_zmalloc_socket("mana_verb_buf", size, alignment, socket);
+ if (!ret && size)
+ rte_errno = ENOMEM;
+ return ret;
+}
+
+void mana_free_verbs_buf(void *ptr, void *data __rte_unused)
+{
+ rte_free(ptr);
+}
+
+static int mana_dev_configure(struct rte_eth_dev *dev)
+{
+ struct mana_priv *priv = dev->data->dev_private;
+ struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
+
+ if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
+ dev_conf->rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
+
+ if (dev->data->nb_rx_queues != dev->data->nb_tx_queues) {
+ DRV_LOG(ERR, "Only support equal number of rx/tx queues");
+ return -EINVAL;
+ }
+
+ if (!rte_is_power_of_2(dev->data->nb_rx_queues)) {
+ DRV_LOG(ERR, "number of TX/RX queues must be power of 2");
+ return -EINVAL;
+ }
+
+ priv->num_queues = dev->data->nb_rx_queues;
+
+ manadv_set_context_attr(priv->ib_ctx, MANADV_CTX_ATTR_BUF_ALLOCATORS,
+ (void *)((uintptr_t)&(struct manadv_ctx_allocators){
+ .alloc = &mana_alloc_verbs_buf,
+ .free = &mana_free_verbs_buf,
+ .data = 0,
+ }));
+
+ return 0;
+}
+
+static int
+mana_dev_close(struct rte_eth_dev *dev)
+{
+ struct mana_priv *priv = dev->data->dev_private;
+ int ret;
+
+ ret = ibv_close_device(priv->ib_ctx);
+ if (ret) {
+ ret = errno;
+ return ret;
+ }
+
+ return 0;
+}
+
const struct eth_dev_ops mana_dev_ops = {
+ .dev_configure = mana_dev_configure,
+ .dev_close = mana_dev_close,
};
const struct eth_dev_ops mana_dev_sec_ops = {
@@ -627,8 +699,7 @@ static int mana_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
static int mana_dev_uninit(struct rte_eth_dev *dev)
{
- RTE_SET_USED(dev);
- return 0;
+ return mana_dev_close(dev);
}
static int mana_pci_remove(struct rte_pci_device *pci_dev)
@@ -207,4 +207,7 @@ int mana_mp_req_verbs_cmd_fd(struct rte_eth_dev *dev);
void mana_mp_req_on_rxtx(struct rte_eth_dev *dev, enum mana_mp_req_type type);
+void *mana_alloc_verbs_buf(size_t size, void *data);
+void mana_free_verbs_buf(void *ptr, void *data __rte_unused);
+
#endif