-Each CQ start task queue to poll when completion happens.
This means every rx and tx queue has its own cleanup task
thread to poll the completion.
- Arm EQ everytime no matter it is mana or hwc. CQ arming
depends on the budget.
- Fix a warning in mana_poll_tx_cq() when cqe_read is 0.
- Move cqe_poll from EQ to CQ struct.
- Support EQ sharing up to 8 vPorts.
- Ease linkdown message from mana_info to mana_dbg.
Tested by: whu
MFC after: 2 weeks
Sponsored by: Microsoft
MANA is the new network adapter from Microsoft which will be available
in Azure public cloud. It provides SRIOV NIC as virtual function to
guest OS running on Hyper-V.
The code can be divided into two major parts. Gdma_main.c is the one to
bring up the hardware board and drives all underlying hardware queue
infrastructure. Mana_en.c contains all main ethernet driver code.
It has only tested and supported on amd64 architecture.
PR: 256336
Reviewed by: decui@microsoft.com
Tested by: whu
MFC after: 2 week
Relnotes: yes
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D31150