About IP options in UDP

[Enrique Gómez]

Well, I am trying to find the place of the kernel, in which calculates 
the size of the IP Packets, taking into account the IP options that the 
packet could have.

I have found the answer of this question in *TCP*. In the file 
net/ipv4/tcp_output.c there is a function called "tcp_mtu_to_mss" where 
calculates the PMTU, taking into account IP options.

Now, I would like to know where *UDP* does this operation.

I would be very glad of receiving any answer.

Thanks.

Enrique.
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