From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 48C8235502C; Fri, 14 Nov 2025 21:19:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763155173; cv=none; b=R1cnCr/8ZHBoaN2MjXQKMKuHlz598yukldwNDnkI9VZveNoBn+FcHOLD6GoUCbaSJ4aPzfb9HhzJsWzFWw/LrtZMi7Xngzzp23tAD8KKz77xmSBxvErpW/yzHnOirYS3hxVOX2KqgAfRb3xM87NFKEtv3gD6wm7+YjjSD3xy1vQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763155173; c=relaxed/simple; bh=BUW6cmvwtdbjQboLPPESR1i15jUTbXZvmrtCbZVUNVk=; h=From:To:Cc:Subject:Date:Message-Id; b=Jh4a9hMtNOEvoy39ofVkjke2miyHFGa5UoMAf8ci6rIOw7dT0mNdVl95Zcf23mnYVO5LU1mX903dKqvUQw9MwLHwawAdUm4hFBPFL9p2krCzf10z5zh34wuifgg41wnhbbg5SfjMpm8NkN2+wG6iuMGJzjgJxTemKetoQCAVEDY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=UMVHPcOl; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="UMVHPcOl" Received: by linux.microsoft.com (Postfix, from userid 1231) id E165B201AE64; Fri, 14 Nov 2025 13:19:31 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com E165B201AE64 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1763155171; bh=KG9Wwjz0CIv8Gzt4QY+aoHBszotw4XMzvCmMsigze0E=; h=From:To:Cc:Subject:Date:From; b=UMVHPcOlM2MZIVGgHkzu2x/K1tgKIwu02BIbfQJKTSScbfBn6636Bw4QAVQKOb7/Q jy001a/LTjGeODPo/aWyaHrcOpSaePFG1d1QK1sDHYrZXyCke6BUtJohqXx1RgZr+h PpECfCj1ukUlVELzb4Wtkks3OPQlGlew6eBWgPHo= From: Aditya Garg To: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, longli@microsoft.com, kotaranov@microsoft.com, horms@kernel.org, shradhagupta@linux.microsoft.com, ssengar@linux.microsoft.com, ernis@linux.microsoft.com, dipayanroy@linux.microsoft.com, shirazsaleem@microsoft.com, leon@kernel.org, mlevitsk@redhat.com, yury.norov@gmail.com, sbhatta@marvell.com, linux-hyperv@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, gargaditya@microsoft.com Cc: Aditya Garg Subject: [PATCH net-next v5 0/2] net: mana: Enforce TX SGE limit and fix error cleanup Date: Fri, 14 Nov 2025 13:16:41 -0800 Message-Id: <1763155003-21503-1-git-send-email-gargaditya@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Add pre-transmission checks to block SKBs that exceed the hardware's SGE limit. Force software segmentation for GSO traffic and linearize non-GSO packets as needed. Update TX error handling to drop failed SKBs and unmap resources immediately. --- Changes in v5: * Drop skb_is_gso() check for disabling GSO in mana_features_check(). * Register .ndo_features_check conditionally to avoid unnecessary call. Changes in v4: * Fix warning during build reported by kernel test robot --- Aditya Garg (2): net: mana: Handle SKB if TX SGEs exceed hardware limit net: mana: Drop TX skb on post_work_request failure and unmap resources .../net/ethernet/microsoft/mana/gdma_main.c | 6 +-- drivers/net/ethernet/microsoft/mana/mana_en.c | 48 ++++++++++++++++--- .../ethernet/microsoft/mana/mana_ethtool.c | 2 + include/net/mana/gdma.h | 8 +++- include/net/mana/mana.h | 2 + 5 files changed, 54 insertions(+), 12 deletions(-) -- 2.43.0