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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , Simon Horman , Russell King , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Furong Xu <0x1207@gmail.com>, Russell King , Vladimir Oltean , Serge Semin , Xiaolei Wang , Suraj Jaiswal , Kory Maincent , Gal Pressman , Jesper Nilsson , Andrew Halaney , Choong Yong Liang , Faizal Rahim , Kunihiko Hayashi , Vinicius Costa Gomes , intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, bpf@vger.kernel.org Date: Mon, 10 Feb 2025 02:01:58 -0500 Message-Id: <20250210070207.2615418-1-faizal.abdul.rahim@linux.intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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=1739170942; x=1770706942; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=A6TYIK8aSCSb7ZF6jkLTpTG8icNieANxjH4vH8Z6hF4=; b=bH2jnpZAdSyM8kl1p91L8P4qgNsg4iiVThOxniM2YqzWt/Nb1KuGWhVa eYhnzZVkSTZ/aHm/Nwfam82vngQ8MsdzVE8qrjWzsgJLrmMLlZNqYY0Ap X9Y/MrXB+89Opp6WoJefnvtriD8MuWURhdWIgJTCRxcPljtfLkQfRvA0F HJoKBd8ztXNrJv8VClqpuILBYA/HJveYotx9bNdbJ+d2fZZUwTVu28zsv 4PZR6Nd4qQYkK1XtpcMPcdfVkMdh8MSTzMp5PKnlsvGqq6/m61euUhqNA Ma6/1HkbHIKNsMbqoVaWpKXn+ByaqWhbmcnqOh2+kvpkR79HRhJDnfpr8 w==; X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dmarc=none (p=none dis=none) header.from=linux.intel.com X-Mailman-Original-Authentication-Results: smtp3.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=bH2jnpZA Subject: [Intel-wired-lan] [PATCH iwl-next v4 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 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 Change Log: v3 -> v4: - Fix compilation warnings introduced by this patch series v2 -> v3: - Implement configure_tx() mmsv callback (Vladimir) - Use static_branch_inc() and static_branch_dec() (Vladimir) - Add adapter->fpe.mmsv.pmac_enabled as extra check (Vladimir) - Remove unnecessary error check in igc_fpe_init_tx_descriptor() (Vladimir) - Additional places to use FIELD_PREP() instead of manual bit manipulation (Vladimir) - IGC_TXD_POPTS_SMD_V and IGC_TXD_POPTS_SMD_R type change to enum (Vladimir) - Remove unnecessary netif_running() check in igc_fpe_xmit_frame (Vladimir) - Rate limit print in igc_fpe_send_mpacket (Vladimir) v1 -> v2: - Extract the stmmac verification logic into a common library (Vladimir) - igc to use common library for verification (Vladimir) - Fix syntax for kernel-doc to use "Return:" (Vladimir) - Use FIELD_GET instead of manual bit masking (Vladimir) - Don't assign 0 to statistics counter in igc_ethtool_get_mm_stats() (Vladimir) - Use pmac-enabled as a condition to allow MAC address value 0 (Vladimir) - Define macro register value in increasing value order (Vladimir) - Fix tx-min-frag-size handling for igc (Vladimir) - Handle link state changes with verification in igc (Vladimir) - Add static key for fast path code (Vladimir) - rx_min_frag_size get from constant (Vladimir) v1: https://patchwork.kernel.org/project/netdevbpf/cover/20241216064720.931522-1-faizal.abdul.rahim@linux.intel.com/ v2: https://patchwork.kernel.org/project/netdevbpf/cover/20250205100524.1138523-1-faizal.abdul.rahim@linux.intel.com/ v3: https://patchwork.kernel.org/project/netdevbpf/cover/20250207165649.2245320-1-faizal.abdul.rahim@linux.intel.com/ Faizal Rahim (8): igc: Rename xdp_get_tx_ring() for non-xdp usage igc: Optimize the TX packet buffer utilization igc: Set the RX packet buffer size for TSN mode igc: Add support for frame preemption verification igc: Add support to set tx-min-frag-size 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 Vladimir Oltean (1): net: ethtool: mm: extract stmmac verification logic into common library drivers/net/ethernet/intel/igc/igc.h | 18 +- drivers/net/ethernet/intel/igc/igc_base.h | 1 + drivers/net/ethernet/intel/igc/igc_defines.h | 16 +- drivers/net/ethernet/intel/igc/igc_ethtool.c | 76 ++++++ drivers/net/ethernet/intel/igc/igc_main.c | 101 +++++++- drivers/net/ethernet/intel/igc/igc_regs.h | 16 ++ drivers/net/ethernet/intel/igc/igc_tsn.c | 219 ++++++++++++++++- drivers/net/ethernet/intel/igc/igc_tsn.h | 34 +++ drivers/net/ethernet/stmicro/stmmac/stmmac.h | 16 +- .../ethernet/stmicro/stmmac/stmmac_ethtool.c | 41 +--- .../net/ethernet/stmicro/stmmac/stmmac_fpe.c | 174 +++----------- .../net/ethernet/stmicro/stmmac/stmmac_fpe.h | 5 - .../net/ethernet/stmicro/stmmac/stmmac_main.c | 8 +- include/linux/ethtool.h | 61 +++++ net/ethtool/mm.c | 224 +++++++++++++++++- 15 files changed, 793 insertions(+), 217 deletions(-) -- 2.34.1