On Mon, Jul 24, 2023 at 06:40:44AM +0300, Gavin Li wrote: > Currently, coalescing parameters are grouped for all transmit and receive > virtqueues. This patch series add support to set or get the parameters for > a specified virtqueue. > > When the traffic between virtqueues is unbalanced, for example, one virtqueue > is busy and another virtqueue is idle, then it will be very useful to > control coalescing parameters at the virtqueue granularity. > For series: Reviewed-by: Heng Qi <hengqi@xxxxxxxxxxxxxxxxx> After this set is merged, I will issue the netdim patchset on top of this. Thanks. > Example command: > $ ethtool -Q eth5 queue_mask 0x1 --coalesce tx-packets 10 > Would set max_packets=10 to VQ 1. > $ ethtool -Q eth5 queue_mask 0x1 --coalesce rx-packets 10 > Would set max_packets=10 to VQ 0. > $ ethtool -Q eth5 queue_mask 0x1 --show-coalesce > Queue: 0 > Adaptive RX: off TX: off > stats-block-usecs: 0 > sample-interval: 0 > pkt-rate-low: 0 > pkt-rate-high: 0 > > rx-usecs: 222 > rx-frames: 0 > rx-usecs-irq: 0 > rx-frames-irq: 256 > > tx-usecs: 222 > tx-frames: 0 > tx-usecs-irq: 0 > tx-frames-irq: 256 > > rx-usecs-low: 0 > rx-frame-low: 0 > tx-usecs-low: 0 > tx-frame-low: 0 > > rx-usecs-high: 0 > rx-frame-high: 0 > tx-usecs-high: 0 > tx-frame-high: 0 > > Gavin Li (4): > virtio_net: extract interrupt coalescing settings to a structure > virtio_net: extract get/set interrupt coalesce to a function > virtio_net: support per queue interrupt coalesce command > --- > changelog: > v1->v2 > - Addressed the comment from Xuan Zhuo > - Allocate memory from heap instead of using stack memory for control vq > messages > v2->v3 > - Addressed the comment from Heng Qi > - Use control_buf for control vq messages > --- > virtio_net: enable per queue interrupt coalesce feature > > drivers/net/virtio_net.c | 172 ++++++++++++++++++++++++++------ > include/uapi/linux/virtio_net.h | 14 +++ > 2 files changed, 157 insertions(+), 29 deletions(-) > > -- > 2.39.1 >
