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A new API vrf_is_enabled() is defined to check whether a VRF is ready to use, that is, to allocate resources in that VRF. Currently there's only one type of resource: socket. Two new hooks VRF_ENABLE_HOOK/VRF_DISABLE_HOOK are introduced to tell the user when a VRF gets ready or to be unavailable. The VRF_ENABLE_HOOK callback is called in the new function vrf_enable(), which is used to let the VRF be ready to use. Till now, only the default VRF can be enabled, and we need do nothing to enable the default, except calling the hook. The VRF_DISABLE_HOOK callback is called in the new function vrf_disable(), which is used to let the VRF be unusable. Till now, it is called only when the VRF is to be deleted. A new utility vrf_socket() is defined to provide a socket in a given VRF to the user. Till now before introducing a way of VRF realization, only the default VRF is enabled since its birth, and vrf_socket() creates socket for only the default VRF. This patch defines the framework of the VRF APIs. The way they serve the users is: - vrf_is_enabled() is used to tell the user whether a VRF is usable; - users are informed by the VRF_ENABLE_HOOK that a VRF gets usable; they can allocate resources after that; - users are informed by the VRF_DISABLE_HOOK that a VRF is to be unavailable, and they must release the resources instantly; - vrf_socket() is used to provide a socket in a given VRF. Signed-off-by: Feng Lu <lu.feng@6wind.com> Reviewed-by: Alain Ritoux <alain.ritoux@6wind.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Acked-by: Vincent JARDIN <vincent.jardin@6wind.com> Signed-off-by: David Lamparter <equinox@opensourcerouting.org> |
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| babeld | ||
| bgpd | ||
| cumulus/etc | ||
| debian | ||
| doc | ||
| fpm | ||
| init | ||
| isisd | ||
| lib | ||
| m4 | ||
| ospf6d | ||
| ospfclient | ||
| ospfd | ||
| pkgsrc | ||
| ports | ||
| redhat | ||
| ripd | ||
| ripngd | ||
| solaris | ||
| tests | ||
| tools | ||
| vtysh | ||
| watchquagga | ||
| zebra | ||
| .gitignore | ||
| AUTHORS | ||
| bootstrap.sh | ||
| buildtest.sh | ||
| ChangeLog | ||
| configure.ac | ||
| COPYING | ||
| COPYING.LIB | ||
| HACKING.pending | ||
| HACKING.tex | ||
| INSTALL.quagga.txt | ||
| Makefile.am | ||
| NEWS | ||
| README | ||
| README.NetBSD | ||
| REPORTING-BUGS | ||
| SERVICES | ||
| stamp-h.in | ||
| TODO | ||
| update-autotools | ||
Quagga is free software that manages various IPv4 and IPv6 routing protocols. Currently Quagga supports BGP4, BGP4+, OSPFv2, OSPFv3, RIPv1, RIPv2, and RIPng as well as very early support for IS-IS. See the file INSTALL.quagga.txt for building and installation instructions. See the file REPORTING-BUGS to report bugs. Quagga is free software. See the file COPYING for copying conditions.