mptcp: add SIOCINQ, OUTQ and OUTQNSD ioctls

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Allows to query in-sequence data ready for read(), total bytes in
write queue and total bytes in write queue that have not yet been sent.

v2: remove unneeded READ_ONCE() (Paolo Abeni)
v3: check for new data unconditionally in SIOCINQ ioctl (Mat Martineau)

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Florian Westphal 2021-12-03 14:35:34 -08:00 • committed by Jakub Kicinski

parent 5cbd886ce2

commit 644807e3e4

1 changed files with 53 additions and 0 deletions

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net/mptcp/protocol.c

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