linux-kernel - [net-next v2 0/2] gve: Link IRQs, queues, and NAPI instances

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240930210731.1629-1-jdamato@fastly.com>
Date: Mon, 30 Sep 2024 21:07:06 +0000
From: Joe Damato <jdamato@...tly.com>
To: netdev@...r.kernel.org
Cc: pkaligineedi@...gle.com,
	horms@...nel.org,
	Joe Damato <jdamato@...tly.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Harshitha Ramamurthy <hramamurthy@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Jeroen de Borst <jeroendb@...gle.com>,
	Paolo Abeni <pabeni@...hat.com>,
	Shailend Chand <shailend@...gle.com>,
	Willem de Bruijn <willemb@...gle.com>,
	Ziwei Xiao <ziweixiao@...gle.com>,
	linux-kernel@...r.kernel.org (open list)
Subject: [net-next v2 0/2] gve: Link IRQs, queues, and NAPI instances

Greetings:

Welcome to v2. The previous revision was an RFC [1].

This series uses the netdev-genl API to link IRQs and queues to NAPI IDs
so that this information is queryable by user apps. This is particularly
useful for epoll-based busy polling apps which rely on having access to
the NAPI ID.

I've tested these commits on a GCP instance with a GVE NIC configured
and have included test output in the commit messages for each patch
showing how to query the information.

Thanks,
Joe

[1]: https://lore.kernel.org/netdev/20240926030025.226221-1-jdamato@fastly.com/

v2:
  - Fixed spelling error in commit message of patch 1 suggested by Simon
    Horman
  - Fixed patch 2 to skip XDP TX queues, as suggested by Praveen
    Kaligineedi

Joe Damato (2):
  gve: Map IRQs to NAPI instances
  gve: Map NAPI instances to queues

 drivers/net/ethernet/google/gve/gve_main.c  | 17 +++++++++++++++++
 drivers/net/ethernet/google/gve/gve_utils.c |  1 +
 2 files changed, 18 insertions(+)

-- 
2.43.0