From patchwork Wed Jul 10 17:40:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jakub Kicinski X-Patchwork-Id: 13729547 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 32C111990CF for ; Wed, 10 Jul 2024 17:40:51 +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=1720633252; cv=none; b=VXbUxo48YCiYBNL+Mu9XITF1zt6AxwNSeYjknIUpqZTu72oZsPgghFf1TMzmvdfNl79tXotVMxBJvyAfMC/11hbk6VcdJfqi8XSkNeSlkXUVG7tV70AmOKe3U57o61un+Lw+KY0uRg+JI8iY9gbw9cdORdHpm1j2SwzlxqylQ7k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720633252; c=relaxed/simple; bh=NEN2Nf823rj/tF7GmJaiOKNoS16QG8mhZXPz2EAt6l0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=demnjNfApuxw9Q80k1IhSslvdymz/GaxsAThW0atFtA2m5LyPRj+IdIZI2Dhd3bsg15S//bSS2CrpHQMEMMYprvkTC/be+v3yypmLnOJmQa9Pk97WT+zagUlnUKcKyseFMwNbk0jQmD1Pq7CCZHAO4SJaU94JEsygt3Sr4rjh3w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tlI3E/Py; 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="tlI3E/Py" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 56E43C32781; Wed, 10 Jul 2024 17:40:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720633251; bh=NEN2Nf823rj/tF7GmJaiOKNoS16QG8mhZXPz2EAt6l0=; h=From:To:Cc:Subject:Date:From; b=tlI3E/PyvJ0gnAVKEKjh4SevKaBIoGu+FBLTcRlPNLxltKh6SP/F2xOTpnEUfHRra HRiinK8JP2//aIA7PLs8R8X6/EuqVtHywbHGul5H5GsJc+SuzwNXHkUjNKyc0XNLeF d6D3tdN6uP69N/liwyP60IOZQRl/IadJ+f8QfFjLOkUwbIqkTJd0dWo1mqA/xuI+lr 1wWY3EsZqZAJ0QKCcuZgwUJrrYll5MS5/GY+EvqTLDElXmI7AG6lyOkkHblpJ7/Tnm /4K1B0CvVc1CDdvKuDddV4GY3pF0lo8BgK9vanT6SwNEx+JWB9H13+mbZJg3F+2Xqt J6orjh6tuBKog== From: Jakub Kicinski To: davem@davemloft.net Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, przemyslaw.kitszel@intel.com, ecree.xilinx@gmail.com, jacob.e.keller@intel.com, Jakub Kicinski Subject: [PATCH net-next 0/2] ethtool: use the rss context XArray in ring deactivation safety-check Date: Wed, 10 Jul 2024 10:40:41 -0700 Message-ID: <20240710174043.754664-1-kuba@kernel.org> X-Mailer: git-send-email 2.45.2 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 Now that we have an XArray storing information about all extra RSS contexts - use it to extend checks already performed using ethtool_get_max_rxfh_channel(). Jakub Kicinski (2): ethtool: fail closed if we can't get max channel used in indirection tables ethtool: use the rss context XArray in ring deactivation safety-check net/ethtool/channels.c | 6 ++--- net/ethtool/common.c | 51 +++++++++++++++++++++++++++++++++--------- net/ethtool/common.h | 2 +- net/ethtool/ioctl.c | 4 +--- 4 files changed, 44 insertions(+), 19 deletions(-)