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| author | Pavel Begunkov <asml.silence@gmail.com> | 2026-01-06 16:25:40 +0300 |
|---|---|---|
| committer | Pavel Begunkov <asml.silence@gmail.com> | 2026-01-14 05:13:36 +0300 |
| commit | efcb9a4d32d3d9b924642c086b868bfbb9a07c13 (patch) | |
| tree | f8c9ea625b67e453ed617c86c57d41b003cb5e93 /include | |
| parent | 92d76cf96dcbc3c58daa84dbbf71a3ca8d9de53d (diff) | |
| download | linux-efcb9a4d32d3d9b924642c086b868bfbb9a07c13.tar.xz | |
net: add bare bone queue configs
We'll need to pass extra parameters when allocating a queue for memory
providers. Define a new structure for queue configurations, and pass it
to qapi callbacks. It's empty for now, actual parameters will be added
in following patches.
Configurations should persist across resets, and for that they're
default-initialised on device registration and stored in struct
netdev_rx_queue. We also add a new qapi callback for defaulting a given
config. It must be implemented if a driver wants to use queue configs
and is optional otherwise.
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/netdev_queues.h | 9 | ||||
| -rw-r--r-- | include/net/netdev_rx_queue.h | 2 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/net/netdev_queues.h b/include/net/netdev_queues.h index 541e7d9853b1..f6f1f71a24e1 100644 --- a/include/net/netdev_queues.h +++ b/include/net/netdev_queues.h @@ -14,6 +14,9 @@ struct netdev_config { u8 hds_config; }; +struct netdev_queue_config { +}; + /* See the netdev.yaml spec for definition of each statistic */ struct netdev_queue_stats_rx { u64 bytes; @@ -130,6 +133,8 @@ void netdev_stat_queue_sum(struct net_device *netdev, * @ndo_queue_get_dma_dev: Get dma device for zero-copy operations to be used * for this queue. Return NULL on error. * + * @ndo_default_qcfg: Populate queue config struct with defaults. Optional. + * * Note that @ndo_queue_mem_alloc and @ndo_queue_mem_free may be called while * the interface is closed. @ndo_queue_start and @ndo_queue_stop will only * be called for an interface which is open. @@ -137,16 +142,20 @@ void netdev_stat_queue_sum(struct net_device *netdev, struct netdev_queue_mgmt_ops { size_t ndo_queue_mem_size; int (*ndo_queue_mem_alloc)(struct net_device *dev, + struct netdev_queue_config *qcfg, void *per_queue_mem, int idx); void (*ndo_queue_mem_free)(struct net_device *dev, void *per_queue_mem); int (*ndo_queue_start)(struct net_device *dev, + struct netdev_queue_config *qcfg, void *per_queue_mem, int idx); int (*ndo_queue_stop)(struct net_device *dev, void *per_queue_mem, int idx); + void (*ndo_default_qcfg)(struct net_device *dev, + struct netdev_queue_config *qcfg); struct device * (*ndo_queue_get_dma_dev)(struct net_device *dev, int idx); }; diff --git a/include/net/netdev_rx_queue.h b/include/net/netdev_rx_queue.h index 8cdcd138b33f..cfa72c485387 100644 --- a/include/net/netdev_rx_queue.h +++ b/include/net/netdev_rx_queue.h @@ -7,6 +7,7 @@ #include <linux/sysfs.h> #include <net/xdp.h> #include <net/page_pool/types.h> +#include <net/netdev_queues.h> /* This structure contains an instance of an RX queue. */ struct netdev_rx_queue { @@ -27,6 +28,7 @@ struct netdev_rx_queue { struct xsk_buff_pool *pool; #endif struct napi_struct *napi; + struct netdev_queue_config qcfg; struct pp_memory_provider_params mp_params; } ____cacheline_aligned_in_smp; |