On Thu, Jun 18, 2020 at 08:49:07PM +0800, we...@ucloud.cn wrote:
> From: wenxu <we...@ucloud.cn>
>
> v2:
> patch2: store the cb_priv of representor to the flow_block_cb->indr.cb_priv
> in the driver. And make the correct check with the statments
> this->indr.cb_priv == cb_priv
>
> patch4: del the driver list only in the indriect cleanup callbacks
>
> v3:
> add the cover letter and changlogs.
>
> v4:
> collapsed 1/4, 2/4, 4/4 in v3 to one fix
> Add the prepare patch 1 and 2
>
> v5:
> patch1: place flow_indr_block_cb_alloc() right before
> flow_indr_dev_setup_offload() to avoid moving flow_block_indr_init()
>
> This series fixes commit 1fac52da5942 ("net: flow_offload: consolidate
> indirect flow_block infrastructure") that revists the flow_block
> infrastructure.
>
> patch #1 #2: prepare for fix patch #3
> add and use flow_indr_block_cb_alloc/remove function
>
> patch #3: fix flow_indr_dev_unregister path
> If the representor is removed, then identify the indirect flow_blocks
> that need to be removed by the release callback and the port representor
> structure. To identify the port representor structure, a new
> indr.cb_priv field needs to be introduced. The flow_block also needs to
> be removed from the driver list from the cleanup path
>
>
> patch#4 fix block->nooffloaddevcnt warning dmesg log.
> When a indr device add in offload success. The block->nooffloaddevcnt
> should be 0. After the representor go away. When the dir device go away
> the flow_block UNBIND operation with -EOPNOTSUPP which lead the warning
> demesg log.
> The block->nooffloaddevcnt should always count for indr block.
> even the indr block offload successful. The representor maybe
> gone away and the ingress qdisc can work in software mode.
>
>
> wenxu (4):
> flow_offload: add flow_indr_block_cb_alloc/remove function
> flow_offload: use flow_indr_block_cb_alloc/remove function
> net: flow_offload: fix flow_indr_dev_unregister path
> net/sched: cls_api: fix nooffloaddevcnt warning dmesg log
Reviewed-by: Simon Horman <simon.hor...@netronome.com>
