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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Vinicius Costa Gomes Cc: Faizal Rahim , intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org Date: Mon, 16 Dec 2024 01:47:11 -0500 Message-Id: <20241216064720.931522-1-faizal.abdul.rahim@linux.intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1734331726; x=1765867726; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=f6imVHIwBO5y+VNI+OBSEm0607sjuDvEWjjMWJjz7Jo=; b=axzr4p6yAP+9nMzGJ69RuIT0i95RSIaRTYalP34zXqdvci0XbevwKu7j Yt0rn28tmBQNL5QJlyHe9XiaPamc4axHuAx3ZUAJXCKontlvjzZXjbKlT GUvrqCqwmPFtYAZtHDXQgyCmz711ZliRXBGJOvkMrBepNLNMkb45Q9p8Y rApP/dNnc8wu4GCIxlNSB9yOgphQneDzwFkV8MJXPo/xiCHR0yKENHDX2 ZbzmPFwyVleVmcwm4Yhvk6lxyuj+f7yuruULeuwx1dsR1aFcCcIQIZGvA TKdTNzfvJscOHU1xETZHYY0MCyp+q1Ce359aAhqXllsF9HhDJVm7mdAHT A==; X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dmarc=none (p=none dis=none) header.from=linux.intel.com X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=axzr4p6y Subject: [Intel-wired-lan] [PATCH iwl-next 0/9] igc: Add support for Frame Preemption feature in IGC 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" Introduces support for the FPE feature in the IGC driver. The patches aligns with the upstream FPE API: https://patchwork.kernel.org/project/netdevbpf/cover/20230220122343.1156614-1-vladimir.oltean@nxp.com/ https://patchwork.kernel.org/project/netdevbpf/cover/20230119122705.73054-1-vladimir.oltean@nxp.com/ It builds upon earlier work: https://patchwork.kernel.org/project/netdevbpf/cover/20220520011538.1098888-1-vinicius.gomes@intel.com/ The first four patches in this series are preparation work for the subsequent patches. The patch series adds the following functionalities to the IGC driver: a) Configure FPE using `ethtool --set-mm`. b) Display FPE settings via `ethtool --show-mm`. c) View FPE statistics using `ethtool --include-statistics --show-mm'. e) Enable preemptible/express queue with `fp`: tc qdisc add ... root taprio \ fp E E P P Note: 1. preemption can occur with or without the verification handshake, depending on the value of the verify_enabled field, which can be configured using ethtool --set-mm. 2. Enabling FPE with mqprio offload is not covered in this series, but existing code prevents user from configuring FPE alongside mqprio offload. Faizal Rahim (6): igc: Rename xdp_get_tx_ring() for non-xdp usage igc: Add support to set MAC Merge data via ethtool igc: Add support for frame preemption verification igc: Add support for preemptible traffic class in taprio igc: Add support to get MAC Merge data via ethtool igc: Add support to get frame preemption statistics via ethtool Vinicius Costa Gomes (3): igc: Optimize the TX packet buffer utilization igc: Set the RX packet buffer size for TSN mode igc: Add support for receiving frames with all zeroes address drivers/net/ethernet/intel/igc/igc.h | 45 ++- drivers/net/ethernet/intel/igc/igc_defines.h | 15 +- drivers/net/ethernet/intel/igc/igc_ethtool.c | 96 ++++++ drivers/net/ethernet/intel/igc/igc_main.c | 80 ++++- drivers/net/ethernet/intel/igc/igc_regs.h | 19 ++ drivers/net/ethernet/intel/igc/igc_tsn.c | 330 ++++++++++++++++++- drivers/net/ethernet/intel/igc/igc_tsn.h | 15 + 7 files changed, 586 insertions(+), 14 deletions(-) -- 2.25.1