| Commit message (Collapse) | Author | Age | Files | Lines |
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Separate core netlink functions and library functions from route-related
interactions and interface-related interactions.
Signed-off-by: Vivek Venkatraman <vivek@cumulusnetworks.com>
Reviewed-by: Donald Sharp <sharpd@cumulusnetworks.com>
Reviewed-by: Don Slice <dslice@cumulusnetworks.com>
Ticket: CM-13199
Reviewed By: CCR-5254
Testing Done: bgp-min, ospf-min
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clang is complaining about signed/unsigned comparisons
for rta_addattr_l.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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We shouldn't have platform-agnostic code (e.g. zebra/interface.c)
calling platform-specific functions (e.g. netlink_neigh_update).
This commit introduces the kernel_neigh_update() function, which then
has to be implemented by all supported platforms. Currently only Linux
implements this function, which is only used by the RTADV code.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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Convert the rest of zebra over to use a Namespae and VRF.
Signed-off-by: Vipin Kumar <vipin@cumulusnetworks.com>
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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This patch lets the netlink sockets work per VRF.
* The definition of "struct nlsock" is moved into zebra/rib.h.
* The previous global variables "netlink" and "netlink_cmd" now
become the members of "struct zebra_vrf", and are initialized
in zebra_vrf_alloc().
* All relative functions now work for a specific VRF, by adding
a new parameter which specifies the working VRF, except those
functions in which the VRF ID can be obtained from the interface.
* kernel_init(), interface_list() and route_read() are now also
working per VRF, and moved from main() to zebra_vrf_enable().
* A new function kernel_terminate() is added to release the
netlink sockets. It is called from zebra_vrf_disable().
* Correct VRF ID, instead of the previous VRF_DEFAULT, are now
passed to the functions of processing interfaces or route
entries.
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: Donald Sharp <sharpd@cumulusnetworks.com>
Conflicts:
lib/memtypes.c
zebra/rib.h
zebra/rt_netlink.c
Conflicts:
zebra/if_netlink.c
zebra/if_sysctl.c
zebra/kernel_null.c
zebra/rib.h
zebra/rt_netlink.c
zebra/rt_netlink.h
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Remove compiled warnings for the zebra directory
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Reviewed-by:
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Zebra: Use a fixed route metric when populating kernel
The route metric is not used by the Linux kernel and is irrelevant to
the forwarding decision made by the kernel. Metric is a parameter used
only by a routing protocol to compute best path(s) and to communicate this
info to its peers. Consequently, there is no value in pushing the metric
provided by a protocol daemon to the kernel.
There is a significant advantage, at least on the Linux kernel, in pushing
a constant metric with a route populated by zebra. The metric is used as a
priority field in the kernel and modifying the metric due to say topology
changes causes multiple routes to be inserted into the kernel, with differing
priorities instead of replacing the existing one. This prevents us from
using replace semantic when a route changes.
So, this patch pushes a constant metric with a route populated by zebra.
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Change default value of variable NL_PKT_BUF_SIZE to 8192UL. Cf.
NLMSG_GOODSIZE definition of linux in include/linux/netlink.h for detail.
Previously, on platforms with a page size greater than 8192, if you had added
too many interfaces, zebra would not have enough buffer space to get the entire
interface list. This resulted in an incomplete interface list.
From: 高鹏 <gpstrive@gmail.com>
[updated to apply after FPM patches]
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* zebra/{rib.h,zebra_rib.c}
Add nexthop_type_to_str(), which returns a human-readable string
corresponding to a nexthop type.
* zebra/rt_netlink.[hc]
- Add new header file that exposes some existing and new
netlink-related functions from rt_netlink.c to the rest of
zebra.
addattr32
addattr_l
rta_addattr_l
nl_msg_type_to_str (new)
nl_rtproto_to_str (new)
- Use nexthop_type_to_str() instead of the static array
'nexthop_types_desc'.
Signed-off-by: Avneesh Sachdev <avneesh@opensourcerouting.org>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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