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Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2B2DFBE6C for <netdev@vger.kernel.org>; Sat, 6 Apr 2024 18:21:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712427675; cv=none; b=b9ZE7iA4gCv3lN/nlNdx3qusi5voWrwsNaxN5JITETMCd5OMkfHWh9Va9ZQAk11SNeL6vGEpcIGlrgrWf/RoXkvxyFJoXnGs9WV6darr0z4r0bmN7+VCY7eQ9cKx8B7Qy4uoBD4Iv95GRyBnr1YIA6L6yCOQVYoas0Nff+f/Oxc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712427675; c=relaxed/simple; bh=2HN3tQxe3PuKEXzLK4IkZG083zQqQF8ph1vEmQE1WSY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=lBHpfffcUZr11rgU4ZpO4moj2+9P0/CayrWOjM+nKiBm5zAuofVQ2tlXXYqzTwQFM5tfORC/GXXB5yJ44jJPnuZ/9RL10VhD+PdTycIvQis8WyZGxM5W49wTQCumwCMHBW6HfBHJGv9llfZcDYB/HBjMcJvupgPCpGT8JPlKl3M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=YrUUKSfB; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="YrUUKSfB" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1712427673; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=+t0KwwMdpKk8Cq1XYQJ4gt6vU14mdmDidKTllvwmDtw=; b=YrUUKSfBBtWjH2eiKCzvQPlDwI4tykO8aLRuiAfS4KxPzZbgsmU6mdFM6X8+GF412RAdbZ PufltT8mxACVm33SBI6BDCtLOACaL4OMjBAE1rGQHbbhNX5KPRdERfzA7F4u6WPLbKqW12 gyye1kpdYmORLqK/GTw5rylQUpWTnhE= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-8-jWBbUgjvNLiqodp3T2XG4g-1; Sat, 06 Apr 2024 14:21:09 -0400 X-MC-Unique: jWBbUgjvNLiqodp3T2XG4g-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id ACFB1927A65; Sat, 6 Apr 2024 18:21:08 +0000 (UTC) Received: from fenrir.redhat.com (unknown [10.22.8.7]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8074D430F56; Sat, 6 Apr 2024 18:21:07 +0000 (UTC) From: jmaloy@redhat.com To: netdev@vger.kernel.org, davem@davemloft.net Cc: kuba@kernel.org, passt-dev@passt.top, jmaloy@redhat.com, sbrivio@redhat.com, lvivier@redhat.com, dgibson@redhat.com, eric.dumazet@gmail.com, edumazet@google.com Subject: [net-next 0/2] tcp: add support for SO_PEEK_OFF socket option Date: Sat, 6 Apr 2024 14:21:05 -0400 Message-ID: <20240406182107.261472-1-jmaloy@redhat.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: <netdev.vger.kernel.org> List-Subscribe: <mailto:netdev+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:netdev+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 X-Patchwork-Delegate: kuba@kernel.org |
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tcp: add support for SO_PEEK_OFF socket option
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From: Jon Maloy <jmaloy@redhat.com> We add support for the SO_PEEK_OFF socket option as a new feature in TCP. In a separate patch, we fix a bug that was revealed while testing this feature. Jon Maloy (2): tcp: add support for SO_PEEK_OFF socket option tcp: correct handling of extreme menory squeeze net/ipv4/af_inet.c | 1 + net/ipv4/tcp.c | 16 ++++++++++------ net/ipv4/tcp_output.c | 14 +++++++++----- 3 files changed, 20 insertions(+), 11 deletions(-)