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We must filter out the 'network-byteorder' and 'nested' flags.
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It is redundant to store 'hash' and 'compare' function pointers in
struct Hashmap separately. The functions always comprise a pair.
Store a single pointer to struct hash_ops instead.
systemd keeps hundreds of hashmaps, so this saves a little bit of
memory.
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Creating the rtnl context is cheap, but freeing it may not be, due to
synchronous close().
Also drop some excessive logging. We now log about the changing ifname
exactly once.
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Reported by Thomas H.P. Andersen <phomes@gmail.com>.
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This should help in debugging failing event sources.
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makes ethernet addresses look funny
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In the long run this should become a full fledged client to networkd
(but not before networkd learns bus support). For now, just pull
interesting data out of networkd, udev, and rtnl and present it to the
user, in a simple but useful output.
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All routes added by networkd are currently set RTPROT_BOOT, which according
to the kernel means "Route installed during boot" (rtnetlink.h). But this
is not always the case as networkd changes routing after boot too. Since
the kernel gives more detailed protocols, use them.
With this patch, user-configured static routes now use RTPROT_STATIC (which
they are) and DHCP routes use RTPROT_DHCP. There is no define for IPv4LL
yet, so those are installed as RTPROT_STATIC (though perhaps RTPROT_RA is
better?).
[tomegun: fixup
src/network/networkd-link.c:972:33: error: too few arguments to function 'route_new_dynamic']
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Let's settle on a single type for all address family values, even if
UNIX is very inconsitent on the precise type otherwise. Given that
socket() is the primary entrypoint for the sockets API, and that uses
"int", and "int" is relatively simple and generic, we settle on "int"
for this.
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One missing string found.
A few things had to be moved around to make it possible to test them.
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private in-addr-util.[ch]
These are enough calls for a new file, and they are sufficiently
different from the sockaddr-related calls, hence let's split this out.
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make use of it from machined
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of it everywhere
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This patch adds vxlan rtnl attributes to sd-rtnl
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This patch enables vti tunnel support.
example conf:
file : vti.netdev
[NetDev]
Name=vti-tun
Kind=vti
MTUBytes=1480
[Tunnel]
Local=X.X.X.X
Remote=X.X.X.X
file: vti.network
[Match]
Name=em1
[Network]
Tunnel=vti-tun
TODO:
Add more attributes for vti tunnel
IFLA_VTI_IKEY
IFLA_VTI_OKEY
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This patch enables gre tunnel support.
example conf:
file : gre.netdev
[NetDev]
Name=gre-tun
Kind=gre
MTUBytes=1480
[Tunnel]
Local=X.X.X.X
Remote=X.X.X.X
file: gre.network
[Match]
Name=em1
[Network]
Tunnel=gre-tun
TODO:
Add more attributes for gre tunnel
IFLA_GRE_IFLAGS
IFLA_GRE_IFLAGS
IFLA_GRE_IKEY
IFLA_GRE_OKEY
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This patch enables basic ipip tunnel support.
It works with kernel module ipip
example conf:
file: ipip.netdev
[NetDev]
Name=ipip-tun
Kind=ipip
MTUBytes=1480
[Tunnel]
Local=192.168.223.238
Remote=192.169.224.239
TTL=64
file: ipip.network
[Match]
Name=em1
[Network]
Tunnel=ipip-tun
[tomegun:
- drop unused variable
- take ref when enslaving]
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Reuse the auth-checking for both the peek and the real read.
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No functional change.
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The bitmask is deprecated in the kernel, so move to the new interface. At the moment
this does not make a difference for us, but it avoids having to change the API in the future.
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We were not properly clearing the padding at the front of some containers.
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when processing multi-part message
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If nothing interesting was receieved we should not put anything on
the queue.
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Also, don't actually read any of the message when peeking, just get its length.
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Rather than allocating/freeing memory for each message read, keep a global read buffer
in the rtnl object. Also, rather than using a fixed size, peek at the pending message
header to get the message size and reallocate as necessary.
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messages
This means the API can stay the same as for single-part messages by simply passing the head message around. Unrefing
the head of the linked list unrefs the whole list.
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This unifies the socket handling with other sd-* libraries.
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We still only return the first message part in callback/synchronous calls.
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Reported-by: Arnaud Gaboury <arnaud.gaboury@gmail.com>
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This patch fixes the broken test-cases for sd-rtnl and add support for ipip
and sit tunnel.
[tomegun: minor fixups]
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