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a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1764922903; x=1796458903; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=XqPo7JqIZstKgaZBPJXpgD+PM4FvGVfp1OcbLWfUjhc=; b=EqgkzmlNmLP6mXnLBInQroOxdUuGOjecK277xXaZukB7NU85EuvEZz4V g3p7eQfvNvrrzDDnhG/dbx1WwaHvbDffitThsXtSaebdq0211GsXWzEw0 uAN3ztn/d2CfTlxgQthqj03eMGvYnruoovYmZnQWb5nJ60ue4QiA+aR2F n9tbXXHtqi11p+qNqWQvshHFiNUeJtAGz6+uuYQ0WbaeHG1YF7/vYRHH6 uAz0r5FeZQ9wWJqarzGoLsSLACJmlCxzdEWiyErfysv4oq9vilxBI0qjS JcJQ3KDWf8pkuKIcNp6oB+D0S+wFnv9mn4jw3CuK+X8VDoLEmh99SrSSv Q==; X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=amazon.com header.i=@amazon.com header.a=rsa-sha256 header.s=amazoncorp2 header.b=EqgkzmlN Subject: [Intel-wired-lan] [PATCH iwl-next v1 0/3] igb: add RSS key get/set support X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" This series adds ethtool get/set support for the RSS hash key in the igb driver. - `ethtool -x ` to display the RSS key - `ethtool -X hkey ` to configure the RSS key Without patch: # ethtool -x $DEV | grep key -A1 RSS hash key: Operation not supported # ethtool -X $DEV hkey 00:00:00:00:00:00:00:00:00:00:00:00:000 Cannot set RX flow hash configuration: Hash key setting not supported With patch: # ethtool -x $DEV | grep key -A1 RSS hash key: 86:5d:11:56:bd:6f:20:38:3b:f8:bb:df:00:3a:b0:24:95:9f:f9:f4:25:a3:01:3e:4a:15:d6:7c:4d:af:39:7e:4a:95:f2:fd:f6:b6:26:f7 # ethtool -X $DEV hkey 00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00 # ethtool -x $DEV | grep key -A1 RSS hash key: 00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00 Takashi Kozu (3): Store the RSS key inside struct igb_adapter and introduce the igb: expose RSS key via ethtool get_rxfh igb: allow configuring RSS key via ethtool set_rxfh drivers/net/ethernet/intel/igb/igb.h | 4 + drivers/net/ethernet/intel/igb/igb_ethtool.c | 77 +++++++++++++------- drivers/net/ethernet/intel/igb/igb_main.c | 7 +- 3 files changed, 58 insertions(+), 30 deletions(-) -- 2.51.1