Thread (2 messages) 2 messages, 2 authors, 2026-09-02

Re: [PATCH v3] net: qrtr: Send HELLO message on endpoint register

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From: patchwork-bot+netdevbpf@kernel.org
Date: 2026-09-02 11:21:04
Also in: linux-arm-msm, lkml

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller [off-list ref]:

On Thu, 27 Aug 2026 17:48:46 +0530 you wrote:
From: Chris Lew <redacted>

HELLO is currently handled entirely by the name server (NS): it is
sent once as a broadcast when the NS initializes, and again as a
reply whenever the NS receives an inbound HELLO from a remote.

Some remote QRTR endpoints (e.g. an external WLAN chipset attached
over MHI) operate in a slave role: they only ever send a HELLO in
response to one they receive, and never initiate. Since the host cannot
tell in advance which remotes behave this way, if the host also only
replies, both sides wait on the other to speak first and no HELLO is
ever exchanged, stalling further communication.

[...]
Here is the summary with links:
  - [v3] net: qrtr: Send HELLO message on endpoint register
    https://git.kernel.org/netdev/net/c/544d85de4dc2

You are awesome, thank you!
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