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 722C62F2916; Tue, 18 Nov 2025 11:26:21 +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=1763465182; cv=none; b=Bx7cju2b/s9AhDk5kkHw6zVT1nA4XzAt4KYgFToeZuktAXRgSQqfYItgrDIFjrYgyjO5/Dyk3UyszSy6zKZzrg3G0K0NDrLcxTBuP9VhHk/coOGQNqGqBDGGBaxpeO2955bwK6VurbwAMGJhdM7tHldgXruG5C4FiSWwoWYCqN4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763465182; c=relaxed/simple; bh=vWzUtoaCKQC/PBwyyP/HCohOqiB4tgpAueqZad2Z744=; h=From:To:Cc:Subject:Date:Message-Id; b=OtIegcXYBRis7a0Ce48qk5iqYhRJlT5UN3Tl6Q2/UWfW7nUZ9a3OhttfXHchlGqJ0ttbsol1K7mVtSuuBYqh/JS4qPyFLeMpbKibU7wLqiIls1vByBo9jewiMnlAv3cj41MogSLzORTdx2Jga8j63/85Y4wEnkDTW97fNxgXmaQ= 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=KLVBT0cg; 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="KLVBT0cg" Received: by linux.microsoft.com (Postfix, from userid 1231) id 18712211629A; Tue, 18 Nov 2025 03:26:21 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 18712211629A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1763465181; bh=7hXr+xGw/7RQ9/pamKWaDgibXH3w/dpnEE4KmiDW7GE=; h=From:To:Cc:Subject:Date:From; b=KLVBT0cgTRa8zC63mJ1CNEsyosYWIBRGRUxPzl4rQIKQZvOFwT3Sp/vHXp/c/bx/P flC+AzzhVf3sRxe+Lkg5FmWPFMsweL8RrdAUMTkXLdV6mOnsSftPJhqorjuSvLRFR1 P0KV3mHsZGFbsmWA4ShogIDqvbXt0R7r1FJlXU0c= 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 v6 0/2] net: mana: Enforce TX SGE limit and fix error cleanup Date: Tue, 18 Nov 2025 03:11:07 -0800 Message-Id: <1763464269-10431-1-git-send-email-gargaditya@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk X-Mailing-List: netdev@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 v6: * Replace #if logic with constant expression in if(). 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 | 47 ++++++++++++++++--- .../ethernet/microsoft/mana/mana_ethtool.c | 2 + include/net/mana/gdma.h | 8 +++- include/net/mana/mana.h | 2 + 5 files changed, 53 insertions(+), 12 deletions(-) -- 2.43.0