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android_kernel_xiaomi_sm8450/net/mptcp/Makefile

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mptcp: Add MPTCP socket stubs Implements the infrastructure for MPTCP sockets. MPTCP sockets open one in-kernel TCP socket per subflow. These subflow sockets are only managed by the MPTCP socket that owns them and are not visible from userspace. This commit allows a userspace program to open an MPTCP socket with: sock = socket(AF_INET, SOCK_STREAM, IPPROTO_MPTCP); The resulting socket is simply a wrapper around a single regular TCP socket, without any of the MPTCP protocol implemented over the wire. Co-developed-by: Florian Westphal <fw@strlen.de> Signed-off-by: Florian Westphal <fw@strlen.de> Co-developed-by: Peter Krystad <peter.krystad@linux.intel.com> Signed-off-by: Peter Krystad <peter.krystad@linux.intel.com> Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Co-developed-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Christoph Paasch <cpaasch@apple.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-22 09:56:15 +09:00
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_MPTCP) += mptcp.o
mptcp: add netlink-based PM Expose a new netlink family to userspace to control the PM, setting: - list of local addresses to be signalled. - list of local addresses used to created subflows. - maximum number of add_addr option to react When the msk is fully established, the PM netlink attempts to announce the 'signal' list via the ADD_ADDR option. Since we currently lack the ADD_ADDR echo (and related event) only the first addr is sent. After exhausting the 'announce' list, the PM tries to create subflow for each addr in 'local' list, waiting for each connection to be completed before attempting the next one. Idea is to add an additional PM hook for ADD_ADDR echo, to allow the PM netlink announcing multiple addresses, in sequence. Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-28 06:48:51 +09:00
mptcp-y := protocol.o subflow.o options.o token.o crypto.o ctrl.o pm.o diag.o \
mib.o pm_netlink.o
mptcp: move crypto test to KUNIT currently MPTCP uses a custom hook to executed unit tests at boot time. Let's use the KUNIT framework instead. Additionally move the relevant code to a separate file and export the function needed by the test when self-tests are build as a module. Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-27 02:30:01 +09:00
mptcp: enable JOIN requests even if cookies are in use JOIN requests do not work in syncookie mode -- for HMAC validation, the peers nonce and the mptcp token (to obtain the desired connection socket the join is for) are required, but this information is only present in the initial syn. So either we need to drop all JOIN requests once a listening socket enters syncookie mode, or we need to store enough state to reconstruct the request socket later. This adds a state table (1024 entries) to store the data present in the MP_JOIN syn request and the random nonce used for the cookie syn/ack. When a MP_JOIN ACK passed cookie validation, the table is consulted to rebuild the request socket from it. An alternate approach would be to "cancel" syn-cookie mode and force MP_JOIN to always use a syn queue entry. However, doing so brings the backlog over the configured queue limit. v2: use req->syncookie, not (removed) want_cookie arg Suggested-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Florian Westphal <fw@strlen.de> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-31 04:25:56 +09:00
obj-$(CONFIG_SYN_COOKIES) += syncookies.o
mptcp: add MPTCP socket diag interface exposes basic inet socket attribute, plus some MPTCP socket fields comprising PM status and MPTCP-level sequence numbers. Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-09 22:12:41 +09:00
obj-$(CONFIG_INET_MPTCP_DIAG) += mptcp_diag.o
mptcp: move crypto test to KUNIT currently MPTCP uses a custom hook to executed unit tests at boot time. Let's use the KUNIT framework instead. Additionally move the relevant code to a separate file and export the function needed by the test when self-tests are build as a module. Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-27 02:30:01 +09:00
mptcp_crypto_test-objs := crypto_test.o
mptcp: introduce token KUNIT self-tests Unit tests for the internal MPTCP token APIs, using KUNIT v1 -> v2: - use the correct RCU annotation when initializing icsk ulp - fix a few checkpatch issues Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-27 02:30:02 +09:00
mptcp_token_test-objs := token_test.o
obj-$(CONFIG_MPTCP_KUNIT_TESTS) += mptcp_crypto_test.o mptcp_token_test.o
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