diff options
Diffstat (limited to 'net/core/netdev_config.c')
| -rw-r--r-- | net/core/netdev_config.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/net/core/netdev_config.c b/net/core/netdev_config.c new file mode 100644 index 000000000000..562087bd30c8 --- /dev/null +++ b/net/core/netdev_config.c @@ -0,0 +1,32 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <linux/netdevice.h> +#include <net/netdev_queues.h> +#include <net/netdev_rx_queue.h> + +/** + * netdev_queue_config() - get configuration for a given queue + * @dev: net_device instance + * @rxq_idx: index of the queue of interest + * @qcfg: queue configuration struct (output) + * + * Render the configuration for a given queue. This helper should be used + * by drivers which support queue configuration to retrieve config for + * a particular queue. + * + * @qcfg is an output parameter and is always fully initialized by this + * function. Some values may not be set by the user, drivers may either + * deal with the "unset" values in @qcfg, or provide the callback + * to populate defaults in queue_management_ops. + */ +void netdev_queue_config(struct net_device *dev, int rxq_idx, + struct netdev_queue_config *qcfg) +{ + struct netdev_queue_config *stored; + + memset(qcfg, 0, sizeof(*qcfg)); + + stored = &__netif_get_rx_queue(dev, rxq_idx)->qcfg; + qcfg->rx_page_size = stored->rx_page_size; +} +EXPORT_SYMBOL(netdev_queue_config); |