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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 | c0b709bf438ba9d197d369f55e4a97603fd4a705 (patch) | |
| tree | 81d8d5549d538c5483e6baddd772714b0e27e7b5 /include | |
| parent | efcb9a4d32d3d9b924642c086b868bfbb9a07c13 (diff) | |
| download | linux-c0b709bf438ba9d197d369f55e4a97603fd4a705.tar.xz | |
net: pass queue rx page size from memory provider
Allow memory providers to configure rx queues with a custom receive
page size. It's passed in struct pp_memory_provider_params, which is
copied into the queue, so it's preserved across queue restarts. Then,
it's propagated to the driver in a new queue config parameter.
Drivers should explicitly opt into using it by setting
QCFG_RX_PAGE_SIZE, in which case they should implement ndo_default_qcfg,
validate the size on queue restart and honour the current config in case
of a reset.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/netdev_queues.h | 10 | ||||
| -rw-r--r-- | include/net/page_pool/types.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/net/netdev_queues.h b/include/net/netdev_queues.h index f6f1f71a24e1..feca25131930 100644 --- a/include/net/netdev_queues.h +++ b/include/net/netdev_queues.h @@ -15,6 +15,7 @@ struct netdev_config { }; struct netdev_queue_config { + u32 rx_page_size; }; /* See the netdev.yaml spec for definition of each statistic */ @@ -114,6 +115,11 @@ void netdev_stat_queue_sum(struct net_device *netdev, int tx_start, int tx_end, struct netdev_queue_stats_tx *tx_sum); +enum { + /* The queue checks and honours the page size qcfg parameter */ + QCFG_RX_PAGE_SIZE = 0x1, +}; + /** * struct netdev_queue_mgmt_ops - netdev ops for queue management * @@ -135,6 +141,8 @@ void netdev_stat_queue_sum(struct net_device *netdev, * * @ndo_default_qcfg: Populate queue config struct with defaults. Optional. * + * @supported_params: Bitmask of supported parameters, see QCFG_*. + * * 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. @@ -158,6 +166,8 @@ struct netdev_queue_mgmt_ops { struct netdev_queue_config *qcfg); struct device * (*ndo_queue_get_dma_dev)(struct net_device *dev, int idx); + + unsigned int supported_params; }; bool netif_rxq_has_unreadable_mp(struct net_device *dev, int idx); diff --git a/include/net/page_pool/types.h b/include/net/page_pool/types.h index 1509a536cb85..0d453484a585 100644 --- a/include/net/page_pool/types.h +++ b/include/net/page_pool/types.h @@ -161,6 +161,7 @@ struct memory_provider_ops; struct pp_memory_provider_params { void *mp_priv; const struct memory_provider_ops *mp_ops; + u32 rx_page_size; }; struct page_pool { |