From patchwork Sat Apr 20 02:35:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jakub Kicinski X-Patchwork-Id: 13636912 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E1527621; Sat, 20 Apr 2024 02:35:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713580557; cv=none; b=hOTWR5Fd1pNA7G9qi4m4KfeEOyE9jYJbl0UKVrZJ/bJ+wpsgw5wIsExMjgpgUja+f8WvN5a4bfMN1dfCVbPBfaj976nnRhEG0tqoIo/q+Yw82AB2swUf8X2ThMW5f+JZR9bQJo2iEMRsHQ94Zb8pols+ya8cOeNi3CFJE/yR3Jg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713580557; c=relaxed/simple; bh=Px6n4T6fDurah1/0rouDyoErqxr14aPcjeGz0qssdQ0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=eLP4/eUClArcTL32Moz9wzmln7lnXqbjU5apDwfGQ/TcwdT8BAHYJSitU8NksX2jAO+l7D6pNzxWpUA4UgrEsphSBsTE0eWzz+AVjtOG+bkIGedaq2se/PKbPq4EPe0Cp0FDWazRNwHz23K8ArKYIeVjDUeIYwKQbZBfA5uIuWY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BsfnTaPW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BsfnTaPW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EAC9FC072AA; Sat, 20 Apr 2024 02:35:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713580556; bh=Px6n4T6fDurah1/0rouDyoErqxr14aPcjeGz0qssdQ0=; h=From:To:Cc:Subject:Date:From; b=BsfnTaPWkJppLhiS82+ZBUxxl50+EtboZQsXIq74K9cBFKqd8m7X9awsoGGm9In/2 0bd23j0qA4EXaZzSuojBmczd7t16XopXUbHr3wNm3ZqFphLPJLARdwBdwFTntTktix MuhrhHmaBbZUmhuzhn0xeHSmZ8IrBxhJIVk/BWkGhDbXqQaO7rdnTN5pSl5K8NMVra AH1ia844V6/mTiM89tkY7t/Jsn8Vv5alWjlc0QQBguK8egb3whrufO1wxdjVtLE4qw Wu1Pnz/Z4tXCLpKMwvdVLf3tey4aYAPF0EIM19lU9zlzqEDRU294zRIUHp4C0cp8kz 8E4fUrFd+Sg5w== From: Jakub Kicinski To: davem@davemloft.net Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, shuah@kernel.org, sdf@google.com, amritha.nambiar@intel.com, linux-kselftest@vger.kernel.org, dsahern@gmail.com, Jakub Kicinski Subject: [PATCH net-next 0/4] netdev: support dumping a single netdev in qstats Date: Fri, 19 Apr 2024 19:35:38 -0700 Message-ID: <20240420023543.3300306-1-kuba@kernel.org> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org I was writing a test for page pool which depended on qstats, and got tired of having to filter dumps in user space. Add support for dumping stats for a single netdev. To get there we first need to add full support for extack in dumps (and fix a dump error handling bug in YNL, sent separately to the net tree). Jakub Kicinski (4): netdev: support dumping a single netdev in qstats netlink: move extack writing helpers netlink: support all extack types in dumps selftests: drv-net: test dumping qstats per device Documentation/netlink/specs/netdev.yaml | 1 + net/core/netdev-genl-gen.c | 1 + net/core/netdev-genl.c | 52 +++++-- net/netlink/af_netlink.c | 135 ++++++++++--------- tools/testing/selftests/drivers/net/stats.py | 62 ++++++++- tools/testing/selftests/net/lib/py/ksft.py | 18 +++ 6 files changed, 188 insertions(+), 81 deletions(-)