Tom Gundersen [Mon, 14 Apr 2014 10:41:13 +0000 (12:41 +0200)]
sd-rtnl: message_addr - expose a few more getters
Tom Gundersen [Sun, 13 Apr 2014 20:10:34 +0000 (22:10 +0200)]
networkd: link - ignore missing MAC address from NEWLINK message
The kernel may broadcast such messages, simply discard them.
Kay Sievers [Mon, 14 Apr 2014 14:54:35 +0000 (07:54 -0700)]
hwdb: PCI - include "primary" model string in subsystem model string
The data in the PCI ids file is randomly inconsistent. Many
subvendor model strings just describe the "product" where the
hardware is built into, not the hardware itself. This causes
some "Network Card Model Foo" to show up as "Laptop Model Bar".
Try to make the best out of this mess and concatenate both
strings to describe the hardware.
Kay Sievers [Mon, 14 Apr 2014 06:46:27 +0000 (23:46 -0700)]
hwdb: update
Lennart Poettering [Mon, 14 Apr 2014 03:00:42 +0000 (20:00 -0700)]
util: ignore kernel errors reported via close(), unless it is EBADF
The kernel can return pretty much anything there, even though the fd is
closed. Let's not get confused by that.
Kay Sievers [Mon, 14 Apr 2014 02:54:27 +0000 (19:54 -0700)]
udev: serialize/synchronize block device event handling with file locks
Lennart Poettering [Mon, 14 Apr 2014 02:43:00 +0000 (19:43 -0700)]
bus-proxy: when replying to bus calls set a synthetic serial number and patch the sender address
Otherwise old libdbus1 is confused and will not accept our replies.
Lennart Poettering [Mon, 14 Apr 2014 01:25:10 +0000 (18:25 -0700)]
bus: process AddMatch/RemoveMatch driver call in proxy
Previously, AddMatch/RemoveMatch calls where processed exclusively in
the proxy. That's racy however, since subscribing to a signal might not
complete before the signal is sent due to some subsequent method call.
Hence, in order to expose the same ordering guarantees as dbus1 process
the AddMatch/RemoveMatch calls from the proxy, so that they are
dispatched synchronously to all following messages, thus fixing the
race.
Ultimately, we should probabably dissolve the driver entirely into the
proxy, as it is purely a compatibility feature anyway...
Lennart Poettering [Mon, 14 Apr 2014 00:42:11 +0000 (17:42 -0700)]
man: explain that the timestamps on incoming kdbus messages are not necessarily monotonically increasing
Lennart Poettering [Mon, 14 Apr 2014 00:41:51 +0000 (17:41 -0700)]
update TODO
Lennart Poettering [Tue, 1 Apr 2014 17:13:42 +0000 (19:13 +0200)]
build-sys: add Makefile symlink
Lennart Poettering [Tue, 1 Apr 2014 17:13:22 +0000 (19:13 +0200)]
update TODO
Lennart Poettering [Tue, 1 Apr 2014 17:12:59 +0000 (19:12 +0200)]
man: add man page for sd_event_new()
Kay Sievers [Sun, 13 Apr 2014 05:35:50 +0000 (22:35 -0700)]
udev: remove seqnum API and all assumptions about seqnums
The way the kernel namespaces have been implemented breaks assumptions
udev made regarding uevent sequence numbers. Creating devices in a
namespace "steals" uevents and its sequence numbers from the host. It
confuses the "udevadmin settle" logic, which might block until util a
timeout is reached, even when no uevent is pending.
Remove any assumptions about sequence numbers and deprecate libudev's
API exposing these numbers; none of that can reliably be used anymore
when namespaces are involved.
Dan Kilman [Sun, 13 Apr 2014 15:06:13 +0000 (18:06 +0300)]
bash completion: fix __get_startable_units
Zbigniew Jędrzejewski-Szmek [Sat, 12 Apr 2014 21:17:49 +0000 (17:17 -0400)]
path-util: also check for existence of binary when given absolute path
In contrast to a filename-only argument, find_binary() did not
actually check if an path exists, allowing the code to fail later on.
This was OK, but it seems nicer to treat both paths identically.
Also take advantage of path_make_absolute_cwd doing strdup() by itself
if necessary to simplify.
Mike Gilbert [Sat, 12 Apr 2014 20:07:45 +0000 (16:07 -0400)]
fsck: Search for fsck.type in PATH
Modifies find_binary() to accept NULL in the second argument.
fsck.type lookup logic moved to new fsck_exists() function, with a test.
Marcel Holtmann [Sat, 12 Apr 2014 17:38:16 +0000 (10:38 -0700)]
hwdb: Update database of Bluetooth company identifiers
Tanu Kaskinen [Sat, 12 Apr 2014 05:37:38 +0000 (08:37 +0300)]
man: mention XDG_CONFIG_HOME in systemd.unit
Cristian Rodríguez [Sat, 12 Apr 2014 01:57:02 +0000 (22:57 -0300)]
build: if -fstack-protector-strong is available, use it.
Thomas Bächler [Wed, 2 Apr 2014 18:18:44 +0000 (20:18 +0200)]
core: Make sure a stamp file exists for all Persistent=true timers
If a persistent timer has no stamp file yet, it behaves just like a normal
timer until it runs for the first time. If the system is always shut down
while the timer is supposed to run, a stamp file is never created and
Peristent=true has no effect.
This patch fixes this by creating a stamp file with the current time
when the timer is first started.
Zbigniew Jędrzejewski-Szmek [Sat, 12 Apr 2014 00:57:27 +0000 (20:57 -0400)]
journal: properly detect language specified in line
... it turns out that the duplicates in our own catalog were not real
duplicates, but translations.
Zbigniew Jędrzejewski-Szmek [Fri, 11 Apr 2014 12:44:55 +0000 (08:44 -0400)]
journal: cleanup up error handling in update_catalog()
- Negative/positive errno mixup caused duplicates not to be detected properly.
Now we get a warning about some duplicate entries in our own catalogs...
- Errors in update_catalog would be ignored, but they should not be.
Zbigniew Jędrzejewski-Szmek [Fri, 11 Apr 2014 03:45:46 +0000 (23:45 -0400)]
test-dhcp-client: unref lease objects to make valgrind happy
Also unref client objects in test code, and initalize logging,
to DEBUG by default.
Zbigniew Jędrzejewski-Szmek [Thu, 10 Apr 2014 13:48:59 +0000 (09:48 -0400)]
Unify GREEDY_REALLOC and GREEDY_REALLOC_T
greedy_realloc() and greedy_realloc0() now store the allocated
size as the count, not bytes.
Replace GREEDY_REALLOC uses with GREEDY_REALLOC_T everywhere,
and then rename GREEDY_REALLOC_T to GREEDY_REALLOC. It is just
too error-prone to have two slightly different macros which do the
same thing.
Tom Gundersen [Sat, 12 Apr 2014 10:27:22 +0000 (12:27 +0200)]
networkd: link - require both RUNNING and LOWER_UP before using link
Usually RUNNING implies LOWER_UP, but for drivers that don't support oper state, RUNNING can
also mean that the state is unknown. In that case we should just trust LOWER_UP directly.
Tom Gundersen [Sat, 12 Apr 2014 10:05:43 +0000 (12:05 +0200)]
networkd: wait for IFF_RUNNING rather than IFF_LOWER_UP
The interface is not fully ready until it enterns RUNNING. This was causing
problems with sending out DHCP messages before the interface was ready, so they
would get lost. In particular this affected DHCP INIT-REBOOT, as it relies on
the first package sent being successful (or it will fall back to a full reboot).
Also improve the logging a lot, to make future debugging of link state a lot
easier.
Tom Gundersen [Sat, 12 Apr 2014 09:20:28 +0000 (11:20 +0200)]
sd-dhcp-client: drop logging about T1/T2
These are redundant now that the REQUEST messages contain the same information.
Tom Gundersen [Fri, 11 Apr 2014 23:01:13 +0000 (01:01 +0200)]
sd-dhcp-client: improve logging
Specify what kind of REQUEST we send, and distinguish between REBOOT and START.
Also log stop reasons as strings rather than numbers.
Tom Gundersen [Fri, 11 Apr 2014 22:34:05 +0000 (00:34 +0200)]
sd-dhcp-client: use client_initialiez and client_restart for REBOOT
Tom Gundersen [Fri, 11 Apr 2014 21:57:18 +0000 (23:57 +0200)]
networkd: add an assert
This error should never happen, so replace the check with an assert. The check
was anyway broken due to an uninitialized return value.
Reported by Thomas Hindoe Paaboel Andersen <phomes@gmail.com>.
Tom Gundersen [Fri, 11 Apr 2014 19:02:16 +0000 (21:02 +0200)]
sd-dhcp-client: document message creation a bit more
Also reshuffle some code to make the correspondence with the RFC a bit more
obvious.
Small functional change: fail if we try to send a message from the wrong state.
Tom Gundersen [Fri, 11 Apr 2014 17:54:04 +0000 (19:54 +0200)]
sd-dhcp-client: assert that we can only create DISCOVER or REQUEST messages
Tom Gundersen [Fri, 11 Apr 2014 16:02:54 +0000 (18:02 +0200)]
sd-dhcp-client: rebind raw socket when resetting transaction id
As we are now filtering the raw socket based on the transaction id, we must
reset the BPF when we reset the transaction id.
Patrik Flykt [Wed, 9 Apr 2014 10:12:10 +0000 (13:12 +0300)]
sd-ipv4ll: Add an explicit stop state for IPv4LL
Add an explicit stop state for IPv4LL so that the user can stop the
IPv4LL client from the callback. When returning from the callback,
check also the stop state in order to halt any further protocol
processing.
Patrik Flykt [Wed, 9 Apr 2014 10:12:09 +0000 (13:12 +0300)]
sd-ipv4ll: Add reference counting for IPv4LL
Similar to DHCP, the IPv4LL library user can decide to free the LL
client any time the callback is called. Guard against freeing the
LL client in the callback by introducing proper reference counting.
Also update code using the IPv4LL library to properly handle a
returned NULL from the notify and stop functions if the IPv4LL
client was freed.
Patrik Flykt [Wed, 9 Apr 2014 10:12:08 +0000 (13:12 +0300)]
sd-dhcp-client: Add an explicit stop state for the DHCP client
Add an explicit stop state for the DHCP client so that the library
user can issue a stop at any time the callback has been called.
When returning from the callback, check also the stop state and
stop any further DHCP processing.
Patrik Flykt [Wed, 9 Apr 2014 10:12:07 +0000 (13:12 +0300)]
sd-dhcp-client: Add reference counting for DHCP
The DHCP library user can decide to free the DHCP client any time
the callback is called. After the callback has been called, other
computations may still be needed - the best example being a full
restart of the DHCP procedure in case of lease expiry.
Fix this by introducing proper reference counting. Properly handle
a returned NULL from the notify and stop functions if the DHCP
client was freed.
Tom Gundersen [Thu, 10 Apr 2014 22:51:55 +0000 (00:51 +0200)]
sd-dhcp-client: recevie_message - verify cmsg_len before reading
Tom Gundersen [Thu, 10 Apr 2014 22:04:39 +0000 (00:04 +0200)]
sd-rtnl: use SO_PASSCRED
This unifies the socket handling with other sd-* libraries.
Thomas Hindoe Paaboel Andersen [Thu, 10 Apr 2014 22:48:19 +0000 (00:48 +0200)]
bash completion: add -i/--image to nspawn
Kay Sievers [Thu, 10 Apr 2014 20:27:23 +0000 (13:27 -0700)]
bus: catch up with kdbus changes (ABI break)
Kay Sievers [Thu, 10 Apr 2014 20:02:35 +0000 (13:02 -0700)]
bus: update kdbus.h
Kay Sievers [Thu, 10 Apr 2014 19:58:10 +0000 (12:58 -0700)]
timedated: ignore initial delta in history data
Tom Gundersen [Thu, 10 Apr 2014 17:40:48 +0000 (19:40 +0200)]
sd-rtnl: don't drop multi-part messages
We still only return the first message part in callback/synchronous calls.
Tom Gundersen [Thu, 10 Apr 2014 17:00:30 +0000 (19:00 +0200)]
sd-rtnl: use GREEDY_REALLOC for message queues
Tom Gundersen [Thu, 10 Apr 2014 14:37:47 +0000 (16:37 +0200)]
sd-dhcp-client: test - fix for jenkins
This test should have been updated when changing the magic cookie handling around.
Reported by Ken MacLeod.
Philip Lorenz [Wed, 9 Apr 2014 17:08:45 +0000 (19:08 +0200)]
nspawn: Fix erroneous OOM when building group list
change_uid_gid() never initialises sz which may cause greedy_realloc to
skip the initial buffer allocation.
Lukas Nykryn [Thu, 10 Apr 2014 09:33:12 +0000 (11:33 +0200)]
cgls: fix running with -M option
systemd-machined doesn't store cgroup path in a state file anymore.
Let's figure it out from the scope.
David Herrmann [Wed, 9 Apr 2014 19:22:48 +0000 (21:22 +0200)]
login: add 'mir' to the list of session types
Add Mir to the list of session types. This is implemented for LightDM
in lp:~robert-ancell/lightdm/xdg-session-desktop [1].
[1] https://code.launchpad.net/~robert-ancell/lightdm/xdg-session-desktop/+merge/214108
(david: adjusted commit-header and fixed whitespace issues)
Mike Gilbert [Mon, 31 Mar 2014 18:28:23 +0000 (14:28 -0400)]
Document CONFIG_NET_NS as a required kernel option
Several units now utilize the PrivateNetwork parameter, which requires
network namespace support.
Tom Gundersen [Tue, 8 Apr 2014 19:26:19 +0000 (21:26 +0200)]
networkd: guard against NULL pointers
This should never be a problem, but better be safe than sorry.
Tom Gundersen [Mon, 7 Apr 2014 18:00:53 +0000 (20:00 +0200)]
sd-dhcp-client: include client id in debug messages
Zbigniew Jędrzejewski-Szmek [Tue, 8 Apr 2014 00:58:37 +0000 (20:58 -0400)]
man: reword Persistent= description
I think it is easier to grok this way.
Zbigniew Jędrzejewski-Szmek [Tue, 8 Apr 2014 00:58:36 +0000 (20:58 -0400)]
test-dhcp-client: style fixes
Zbigniew Jędrzejewski-Szmek [Tue, 8 Apr 2014 00:57:22 +0000 (20:57 -0400)]
backlight: unify error messages
Tom Gundersen [Wed, 2 Apr 2014 08:00:31 +0000 (10:00 +0200)]
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.
Tom Gundersen [Mon, 7 Apr 2014 07:17:53 +0000 (09:17 +0200)]
ipv4ll: use BPF on raw socket
This should significantly reduce spurious wakeups.
Tom Gundersen [Mon, 7 Apr 2014 07:12:59 +0000 (09:12 +0200)]
sd-ipv4ll: fix packet broadcasting
Umut said: 'I have noticed a bug that we are sending PROBE/ANNOUNCE messages on
00:00:00:00:00:00 address where it should be broadcast.'
Tom Gundersen [Sun, 6 Apr 2014 17:23:33 +0000 (19:23 +0200)]
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.
Tom Gundersen [Sun, 6 Apr 2014 17:35:36 +0000 (19:35 +0200)]
sd-dhcp-client: eagerly drop too small packets
If they are too small to fit the IP+UDP+DHCP headers they can be of no use, so
don't waste resources parsing them. This is at the cost of losing some verbosity
in the logging.
Tom Gundersen [Sun, 6 Apr 2014 12:05:32 +0000 (14:05 +0200)]
sd-dhcp-client: move magic cookie into DHCPMessage struct
Also move the checking of it to the main message handler, rather than the
options parser.
Fix a bug, so we now drop the packet if any of the magic bytes don't match.
Before we used to only drop the packet if they were all wrong.
Tom Gundersen [Sun, 6 Apr 2014 16:00:26 +0000 (18:00 +0200)]
udev: net_id - use constants rather than magic numbers
Thomas Hindoe Paaboel Andersen [Sat, 5 Apr 2014 19:05:22 +0000 (21:05 +0200)]
journal-remote-parse: avoid passing null to memchr
Found with scan-build
Kay Sievers [Sat, 5 Apr 2014 17:59:01 +0000 (13:59 -0400)]
reduce the amount of messages logged to /dev/kmsg when "debug" is specified
Zbigniew Jędrzejewski-Szmek [Sat, 5 Apr 2014 17:29:50 +0000 (13:29 -0400)]
systemd-python: fix failing assert
A parameter which was always null before, now get's set to
the module.
Zbigniew Jędrzejewski-Szmek [Sat, 5 Apr 2014 17:23:25 +0000 (13:23 -0400)]
systemd-python: use .hex instead of .get_hex()
It turns out the latter got removed in Python 3.
https://bugs.freedesktop.org/show_bug.cgi?id=77086
Zbigniew Jędrzejewski-Szmek [Sat, 5 Apr 2014 17:17:51 +0000 (13:17 -0400)]
build-sys: add newly used if_link.h defines to missing.h
Reported-by: Arnaud Gaboury <arnaud.gaboury@gmail.com>
Zbigniew Jędrzejewski-Szmek [Thu, 3 Apr 2014 18:05:01 +0000 (14:05 -0400)]
Fix a few return codes in error paths
Florian Albrechtskirchinger [Thu, 3 Apr 2014 19:17:20 +0000 (21:17 +0200)]
tty-ask-password-agent: return negative errno
Return negative errno in wall_tty_block(). get_ctty_devnr() already
returns a negative errno in case of failure, no need to negate it again.
Reported-by: Simon <hwold@odai.homelinux.net>
Zbigniew Jędrzejewski-Szmek [Wed, 2 Apr 2014 00:43:15 +0000 (20:43 -0400)]
systemctl: update NAME to PATTERN in help()
Previously the man page was modified, but not help().
Zbigniew Jędrzejewski-Szmek [Tue, 1 Apr 2014 13:07:32 +0000 (09:07 -0400)]
logind: remove one cast
Zbigniew Jędrzejewski-Szmek [Mon, 31 Mar 2014 12:57:28 +0000 (08:57 -0400)]
journal: fix export of messages containing newlines
In "export" format, newlines are significant, and messages containing
newlines must be exported as "binary".
Zbigniew Jędrzejewski-Szmek [Sat, 29 Mar 2014 15:58:32 +0000 (11:58 -0400)]
journalctl: free arg_file on exit
Thomas Bächler [Thu, 27 Mar 2014 22:41:59 +0000 (23:41 +0100)]
backlight: do nothing if max_brightness is 0
On virtually any newer Asus mainboard, the eeepc-wmi driver is loaded.
It exposes a backlight device despite the lack of any physical backlight
devices. This fake backlight device has max_brightness set to 0. Since
the introduction of the clamp_brightness function, systemd-backlight
tries to write '1' to brightness and fails.
This patch changes systemd-backlight to exit gracefully when
max_brightness is 0 before performing any action. This affects
both the load and save actions.
Kay Sievers [Thu, 3 Apr 2014 01:00:44 +0000 (03:00 +0200)]
bash_completion: busctl - add support for --user mode
Thomas Hindoe Paaboel Andersen [Thu, 3 Apr 2014 20:52:21 +0000 (22:52 +0200)]
bash completion: Add -r/--recursive to systemctl
Tom Gundersen [Thu, 3 Apr 2014 17:09:22 +0000 (19:09 +0200)]
network: default to IPv4LL on host0
Now that we have a graceful handover from IPv4LL to DHCP, there is no longer any reason to leave this off by default.
Susant Sahani [Thu, 3 Apr 2014 08:05:56 +0000 (13:35 +0530)]
sd-rtnl: fix broken test cases and add support for tunnel
This patch fixes the broken test-cases for sd-rtnl and add support for ipip
and sit tunnel.
[tomegun: minor fixups]
Umut Tezduyar Lindskog [Wed, 2 Apr 2014 19:31:12 +0000 (21:31 +0200)]
networkd: smooth transition from ipv4ll to dhcp address
Currently when both ipv4ll and dhcp are enabled, ipv4ll
address (if one has been claimed) is removed when dhcp
address is aquired. This is not the best thing to do
since there might be clients unaware of the removal
trying to communicate.
This patch provides a smooth transition between ipv4ll
and dhcp. If ipv4ll address was claimed [1] before dhcp,
address is marked as deprecated. Deprecated address is still
a valid address and packets can be received on it but address
cannot be selected as a source address. If dhcp lease cannot
be extended, then ipv4ll address is marked as valid again.
[1] If there is no collision, claiming IPv4LL takes between 4 to
7 seconds.
Umut Tezduyar Lindskog [Tue, 1 Apr 2014 20:55:54 +0000 (22:55 +0200)]
networkd: drop routes when lease expires
David Herrmann [Wed, 2 Apr 2014 14:20:13 +0000 (16:20 +0200)]
logind: don't print error if devices vanish during ACL-init
If a device is unplugged while we initialize it, we will get ENOENT for
ACL-init (and related stuff). We currently print errors then, which is
misleading. Print a debug-message early and continue.
Kay Sievers [Wed, 2 Apr 2014 13:47:09 +0000 (15:47 +0200)]
udev: do not export "static node" tags for non-existing devices
Tom Gundersen [Mon, 31 Mar 2014 07:54:18 +0000 (09:54 +0200)]
sd-dhcp-client: use BPF on raw socket
Filter out everything except UDP packets destined for the DHCP client port,
this should avoid the vast majority of spurious wakeups.
Filter based on [0], with permission.
Possible improvemnts: also check for the DHCP magic cookie to drop invalid
packets. Check for our xid to filter out packets destined for other clients.
[0]: <https://github.com/ambrop72/badvpn/blob/master/dhcpclient/BDHCPClient.c#L57>
Kay Sievers [Wed, 2 Apr 2014 09:34:33 +0000 (11:34 +0200)]
build-sys: remove no longer needed user/org.freedesktop.DBus.busname
Thomas Hindoe Paaboel Andersen [Tue, 1 Apr 2014 20:32:44 +0000 (22:32 +0200)]
build-sys: no use for compat libs in the static analysis
Tom Gundersen [Tue, 1 Apr 2014 19:29:20 +0000 (21:29 +0200)]
sd-ipv4ll: speed up bind() in the same way as for dhcp
Daniel Buch [Tue, 1 Apr 2014 13:00:31 +0000 (15:00 +0200)]
build-sys: workaround scan-build bug to fix ./autogen.sh s
It seems to be a clang-analyzer problem since it don't behave like
clang-compiler regarding -std={c99,gnu99}
Tom Gundersen [Mon, 31 Mar 2014 21:28:58 +0000 (23:28 +0200)]
sd-dhcp-client: --omg-optimized
Passing the protocol to socket() is redundant as it will be specified again in
bind(). Dropping the redundancy reduces the cost of bind() from ~30ms to ~0ms.
For details see [0].
networkd in a container (i.e., with next to no network latency) can now
negotiate a DHCP lease in 0.7 - 5 ms.
Thanks to Kay for help with debugging and to Daniel Borkmann for the pointer
to fix the problem.
[0]: <https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=
902fefb82ef72a50c78cb4a20cc954b037a98d1c>
Tom Gundersen [Mon, 31 Mar 2014 15:17:56 +0000 (17:17 +0200)]
networkd: rewind rtnl message between passing it to functions
This makes updating link status on netdev links work again.
Tom Gundersen [Mon, 31 Mar 2014 12:43:34 +0000 (14:43 +0200)]
sd-rtnl: modernize a bit
Lukasz Skalski [Mon, 31 Mar 2014 09:34:42 +0000 (11:34 +0200)]
doc: fix items' names in PORTING-DBUS1
Tom Gundersen [Mon, 31 Mar 2014 09:30:59 +0000 (11:30 +0200)]
TODO
Tom Gundersen [Mon, 31 Mar 2014 08:04:32 +0000 (10:04 +0200)]
networkd: link - fix memory leak
Tom Gundersen [Mon, 31 Mar 2014 08:01:59 +0000 (10:01 +0200)]
networkd: fix use-after-free
Free networks before links (the reverse of creation order).
Steven Siloti [Mon, 31 Mar 2014 04:20:26 +0000 (21:20 -0700)]
sd-rtnl: fix off-by-one
Also fix type parameter passed to new0
Kay Sievers [Mon, 31 Mar 2014 02:00:04 +0000 (04:00 +0200)]
timedated: adjust accuracy and slew values
Tom Gundersen [Sun, 30 Mar 2014 18:36:44 +0000 (20:36 +0200)]
sd-dhcp: avoid checksum calculation if possible
When receiving lots of packets that are not meant for us, we waste a relatively large amount
of cpu time computing their checksums before discarding them. Move the checksum calculation last
so we never compute it for packets which would otherwise be discarded.
Tom Gundersen [Sun, 30 Mar 2014 18:33:57 +0000 (20:33 +0200)]
sd-dhcp: check for ipv4 packets
Umut Tezduyar Lindskog [Sun, 30 Mar 2014 17:09:14 +0000 (19:09 +0200)]
sd-dhcp: check for udp packets
Do not try to parse ICMP packets
[tomegun: slightly tweaked debug message]