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Commit Graph

9 Commits

Author SHA1 Message Date
Tom Gundersen
04b28be1a3 sd-dhcp: option_append - support falling back to 'sname' and 'file' 2014-05-21 16:09:05 +02:00
Tom Gundersen
20b958bf15 sd-dhcp: refactor dhcp_option_append
Store a pointer to the options in the DHCPMessage struct, and pass
this together with an offset around, rather than a uint8_t**.

This avoids us having to (re)compute the pointer; and changes
dhcp_option_append from adjusting both the pointer to the next
option and the remaining size of the options, to just adjusting
the current offset.

This makes the code a bit simpler to follow IMHO, but there should
be no functional change.
2014-05-20 23:31:22 +02:00
Tom Gundersen
085cabf266 dhcp-network: don't pass ifindex to bind_udp_socket
UDP sockets can anyway not be bound to specific netdev's. The packages would have to be filtered
when received instead.
2014-05-06 21:58:08 +02:00
Tom Gundersen
aa6fc9b8c8 sd-dhcp-client: include client id in debug messages 2014-04-08 19:16:30 +02:00
Tom Gundersen
d576127429 libsystemd-network: Speed up checksum computation using 64 bit integers
Improve the checksum computation by using 64 bit integers instead of the 16 bit
integers in the existing implementation. This change speeds up the computation
with approximately 78% both on 64 bit and 32 bit systems.

Please see RFC 1071 for details.
2014-04-07 15:39:21 +03:00
Tom Gundersen
7429b07f82 sd-dhcp-client: improve BPF
Try a bit harder to make the kernel drop packets not for us. This should reduce
the number of wakeups from n^2 to n in the number of dhcp clients, which admittedly
only makes a differenc in very extreme cases.
2014-04-06 19:42:11 +02:00
Patrik Flykt
a838c939a3 libsystemd-network: Export checksum function to test case
Remove identical checksum function implementation from the test
case code.
2014-03-19 10:52:40 +02:00
Tom Gundersen
63edaa623b sd-dhcp: generalise ip header generation
This will be needed for sd-dhcp-server.
2014-03-11 12:03:46 +01:00
Tom Gundersen
fe8db0c5ee sd-network: add new library
This is similar to sd-login, but exposes the state of networkd rather than logind.

Include it in libsystemd-dhcp and rename it to libsystemd-network.
2014-02-28 01:01:13 +01:00