Pau Espin Pedrol 7bddc92322 [GTP] Support binding socket to device ...

This is useful, among other possible applications, to make use of VRFs [1],
in this case for GTP-C and GTP-U traffic in the PGW.

The bind_dev field is added to the ogs_socknode_t so that it's easy to
extend its use into lots of other sockets being set up based on config
file information.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/networking/vrf.rst

2022-03-02 20:07:51 +01:00

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