This patch series adds the abiltiy to modify the ring size when using the GQ queue format for the GVE driver. Before this change, the GQ driver supported only 1024 descriptors in a ring. With this change, ring sizes can be as low or has as is specfied by the device. If the device does not specify limits, the minimum ring size is fixed at 512 descriptors for RX and 256 descriptor for TX, while the maximum ring size is fixed at 1024 for both RX and TX.
Limitations: The ring size must be a power of two. The DQ queue format should remain unaffected by this change. Joshua Washington (4): net/gve: add ring size device option net/gve: remove explicit field for Rx pages per QPL net/gve: add min ring size support net/gve: add ability to modify ring size in GQ format drivers/net/gve/base/gve_adminq.c | 101 +++++++++++++++++++++++------- drivers/net/gve/base/gve_adminq.h | 18 ++++++ drivers/net/gve/gve_ethdev.c | 24 +++++-- drivers/net/gve/gve_ethdev.h | 42 ++++++++----- drivers/net/gve/gve_rx.c | 12 ++-- drivers/net/gve/gve_tx.c | 10 +-- 6 files changed, 154 insertions(+), 53 deletions(-) -- 2.45.2.803.g4e1b14247a-goog
