Move tls encryption from kernel code to Tempesta FW source code and adjuct TCP window, when we push skb to socket write queue for HTTP1 tls also about tempesta HOT 2 OPEN

@EvgeniiMekhanik whihc tls encryption function(s) exactly do you mean? I'm not sure about this since with #1504 we moved tls_encrypt() from Tempesta to the kernel in tempesta-tech/linux-tls@d97acae . @const-t FYI

P.S. I remove the duplicate comment from #1411 as this seems not about performance.

P.P.S. [UPDATE] we should not sacrifice Tempesta FW performance, so let's just live with bigger patches.

from tempesta.

Previously we call tls_encrypt for each skb. (we use limit which is calculated on each loop iteration in tcp_write_xmit). But now we decide that it is not effective, because it's much more better to encrypt as more data as we can (there is no good reason to call this heavy function on each loop iteration). In this case we can move this function to our code and make kernel patch smaller.

from tempesta.