Idan Horowitz 2c51ff763b Kernel: Properly report receive window size in sent TCP packets ...

Instead of lying and claiming we always have space left in our receive
buffer, actually report the available space.

While this doesn't really affect network-bound workloads, it makes a
world of difference in cpu/disk-bound ones, like git clones. Resulting
in a considerable speed-up, and in some cases making them work at all.
(instead of the sender side hanging up the connection due to timeouts)

2023-12-26 21:36:49 +01:00

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