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From: Donald Hunter <donald.hunter@gmail.com>
To: Minxi Hou <houminxi@gmail.com>
Cc: netdev@vger.kernel.org,  davem@davemloft.net,
	 edumazet@google.com, kuba@kernel.org,  pabeni@redhat.com,
	 horms@kernel.org, aconole@redhat.com,
	 linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] tools: ynl: add unicast notification receive support
Date: Tue, 19 May 2026 10:44:25 +0100	[thread overview]
Message-ID: <m2y0hfu41y.fsf@gmail.com> (raw)
In-Reply-To: <20260518164029.439928-3-houminxi@gmail.com>

Minxi Hou <houminxi@gmail.com> writes:

> Add ntf_listen() method to YnlFamily for binding the netlink
> socket without joining a multicast group. This enables receiving
> unicast notifications through the existing poll_ntf/check_ntf
> path.
>
> The OVS packet family sends MISS and ACTION upcalls via
> genlmsg_unicast() to a per-vport PID rather than through a
> multicast group. The existing ntf_subscribe() couples bind()
> with setsockopt(ADD_MEMBERSHIP), which does not fit the unicast
> case. ntf_listen() provides the bind-only alternative.
>
> Signed-off-by: Minxi Hou <houminxi@gmail.com>

Reviewed-by: Donald Hunter <donald.hunter@gmail.com>

  reply	other threads:[~2026-05-19  9:45 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-18 16:40 [PATCH v2 0/2] Add OVS packet family YNL spec and unicast notification support Minxi Hou
2026-05-18 16:40 ` [PATCH v2 1/2] netlink: specs: add OVS packet family specification Minxi Hou
2026-05-19  9:44   ` Donald Hunter
2026-05-18 16:40 ` [PATCH v2 2/2] tools: ynl: add unicast notification receive support Minxi Hou
2026-05-19  9:44   ` Donald Hunter [this message]
2026-05-19  9:50     ` 侯敏熙
2026-05-19 10:20       ` Donald Hunter

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