Thread (15 messages) 15 messages, 4 authors, 2016-06-28

Re: [PATCH v2 1/2] ixgbe: VF supports mailbox interruption for PF link up/down

From: Wu, Jingjing <hidden>
Date: 2016-06-02 03:38:57

-----Original Message-----
From: Lu, Wenzhuo
Sent: Wednesday, June 01, 2016 9:53 AM
To: dev@dpdk.org
Cc: Wu, Jingjing; Lu, Wenzhuo
Subject: [PATCH v2 1/2] ixgbe: VF supports mailbox interruption for PF link
up/down

In this scenario, kernel PF + DPDK VF, when PF finds the link state changes,
up -> down or down -> up, it will send a message to VF by mailbox. This link
state change may be triggered by PHY disconnection/reconnection,
configuration like *ifconfig down/up* or interface parameter, like MTU,
change.
This patch enables the support of the mailbox interruption, so VF can receive
the message of link up/down.
After VF receives this message, VF port need to be reset to recover. So the
handler of this message registers a reset callback to let APP reset the VF port.

Signed-off-by: Wenzhuo Lu <redacted>
Acked-by: Jingjing Wu <redacted>
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