From patchwork Thu Nov 11 15:14:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Westphal X-Patchwork-Id: 12615179 Received: from Chamillionaire.breakpoint.cc (Chamillionaire.breakpoint.cc [193.142.43.52]) (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 D42DE2C81 for ; Thu, 11 Nov 2021 15:14:31 +0000 (UTC) Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1mlBmR-0000MX-N4; Thu, 11 Nov 2021 16:14:23 +0100 From: Florian Westphal To: Cc: Florian Westphal Subject: [PATCH v2 mptcp-next 0/4] TCP_INQ support Date: Thu, 11 Nov 2021 16:14:14 +0100 Message-Id: <20211111151418.17276-1-fw@strlen.de> X-Mailer: git-send-email 2.32.0 Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This adds TCP_INQ for mptcp and extends the selftest infra. Patch 3 adds ioctls to retrieve amount of in-sequence bytes ready to for read() (older version of TCP_INQ) and counters for unsent and unacked byte count. Last patch is new in v2, its a more specific TCP_INQ test case. See individual patches for v2-changes. Florian Westphal (4): mptcp: add TCP_INQ cmsg support selftests: mptcp: add TCP_INQ support mptcp: add SIOCINQ, OUTQ and OUTQNSD ioctls selftests: mptcp: add inq test case net/mptcp/protocol.c | 89 ++- net/mptcp/protocol.h | 1 + net/mptcp/sockopt.c | 37 ++ tools/testing/selftests/net/mptcp/.gitignore | 1 + tools/testing/selftests/net/mptcp/Makefile | 2 +- .../selftests/net/mptcp/mptcp_connect.c | 58 +- tools/testing/selftests/net/mptcp/mptcp_inq.c | 603 ++++++++++++++++++ .../selftests/net/mptcp/mptcp_sockopt.sh | 44 +- 8 files changed, 830 insertions(+), 5 deletions(-) create mode 100644 tools/testing/selftests/net/mptcp/mptcp_inq.c