| Commit message (Collapse) | Author | Age | Files | Lines |
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This sets a `ip=dhcp` or
`ip=<clientip>:<serverip>:<gatewayip>:<netmaskip>::<iface>:` bootarg for
the network device upon execution of 'ifup'. This is the only point
where we can distinguish between a static ip and a dhcp-based network
setup and thus set a valid bootarg options as it will be required for
nfs boot, for example.
Signed-off-by: Enrico Jorns <ejo@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Convert users of ip_to_string() and print_IPaddr() to %pI4 and
remove the now unused functions.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The caller already has the correct network device, so pass it
to net_answer_arp() rather than using eth_get_current() there.
This is a step towards making a global current network device
unnecessary.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Using dev_name often is not a good idea since it's a statically
allocated string which gets overwritten by later calls to dev_name.
Add a devname string to struct eth_device to have the name available
for later use.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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for_each_netdev is nicer to read. Also export the list of network
devices since it will be used by code outside of net/eth.c in later
patches.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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eth_check_open gets the network device to check as parameter, so
use it rather than using eth_current. Currently both are the same,
so this currently does not fix anything.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch handles the ip env to "" if no ip env is given. Otherwise
we get a NULL pointer derefence.
Signed-off-by: Alexander Aring <aar@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Our asprintf and vasprintf have different prototypes than the glibc
functions. This causes trouble when we want to share barebox code
with userspace code. Change the prototypes for (v)asprintf to match
the glibc prototypes. Since the current (v)asprintf are convenient
to use change the existing functions to b(v)asprintf.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This adds support for retrieving the time via Simple Network Time
Protocol (SNTP). No fancy features are supported, only plainly getting
the current time.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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resolv() is not allowed to change the hostname argument, make it const.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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'str' in dhcp_set_string_options is never modified, so make it const.
With this we no longer have to cast away the const returned from getenv.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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dhcp_options_handle returns the index into the dhcp_options array.
This is only to be able in the caller to print a debug message when
the index returned from dhcp_options_handle is out of bounds.
Simplify this by printing the debug message in dhcp_options_handle
and not in the caller.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The dhcp code distinguishes between options and params. If sent to the
server they are params, if received from the server they are options.
Unify them all to be options. If it has a handle_param callback it's
a param, if it has a handle callback it's an option.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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commit d00db554 introduce ethaddr_param. But it is not initialized, so
devinfo fails to show the mac. Remove it and use edev->ethaddr.
Signed-off-by: Jan Remmet <j.remmet@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The eth code registers an OF tree fixup that looks for any nodes in
the Linux oftree that match eth devices loaded in barebox and sets the
mac-address property in those nodes. The purpose is to pass MAC
addresses to the Linux kernel for drivers that expect the MAC address
to be in the device tree.
If barebox does not have a driver for the network device, either
because it has been disabled or because one does not exist, then the
OF tree will not be fixed up to include a MAC address.
The eth code also has a list of MAC addresses which board code has
registered, usually done when it reads the address from an EEPROM or
on-chip memory. If an eth device is created later in the boot, it
will look here for an address.
The registered MAC address list is not used for the OF tree fix up,
and this patch changes that. This way barebox can place a MAC address
in the device-tree without needing a driver for the network device.
Signed-off-by: Trent Piepho <tpiepho@kymetacorp.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Code that fixes up one node with a new MAC address is refactored into
a new function that eth_of_fixup() calls in a loop.
Signed-off-by: Trent Piepho <tpiepho@kymetacorp.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When eth_register_ethaddr is called after the device has been registered
it should work aswell.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The commit
commit be0404c21f22da2d736168b2e56a9ae583cc3e95
Author: Sascha Hauer <s.hauer@pengutronix.de>
Date: Wed May 14 16:08:04 2014 +0200
net: Allow to use multiple network interfaces at once
changes the eth_send() function:
- return eth_current->send(eth_current, packet, length);
+ return edev->send(eth_current, packet, length);
But we have to change the both eth_current occurrences to edev here!
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The separation of incoming packets handling makes it much easier
to run barebox dns client on top of picotcp network stack in the future.
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Some network related functions are also needed when networking
is disabled. Move these to a separate file which is always compiled.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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register_preset_mac_address only works when CONFIG_PARAMETER
is enabled because otherwise dev_set_param is a no-op. Add a
function to set the MAC address explicitly without the need
of CONFIG_PARAMETER and use it where appropriate.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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dhcp/bootp was bound to the command functionality.
This patch splits the dhcp command.
We are now able to use bootp without a shell.
This patch adds also a check for environment variables and globalvar.
So only when ENVIRONMENT_VARIABLES and GLOBALVAR is set, all received
dhcp data will be stored.
Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When an active ethernet device is unregistered it should
be halted to quiesce the device.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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ping command does not always returns 1 as exit code when connection to
host fails. In particular it returns the exit code of the previous run.
This patch fixes this issue.
Signed-off-by: Mirko Damiani <mirko@develer.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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it's done in the discover packet so let's do it also in the request packet.
Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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we are not supposed to fill ciaddr, yiaddr and siaddr in the request packet.
Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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In the request packet, we are supposed to copy the IP that the DHCP server
provided in the offer packet so that dhcp_extended can fill the option 50.
There is actually an error in barebox as the pointer to the packet currently
built is used as the source instead of the pointer to the offer packet.
With this patch, barebox now sends a request packet which includes the right
requested IP in option 50.
Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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so we can use dynamic number id with specific devname
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Activate the netconsole in the set_active callback. Add proper
checks there for port and ip address, print an error when the network
hasn't been configured and finally print when the netconsole has
been enabled successfully. This makes using of the netconsole easier.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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edev->recv has to be called with edev as argument, not eth_current.
This fixes networking when multiple network devices are used and the
current one is switched during runtime.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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So that it can be used without guessing the name first.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The help texts are parsed by sphinx which cannot handle macros, so
replace them with their values.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The doxygen documentation is long outdated. Remove it. It will
be replaced with sphinx based documentation later.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Conflicts:
drivers/net/dm9k.c
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If the devicetree has an alias for the ethernet device, then use
it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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In barebox network packets always go out at the current ethernet
device and are expected to be received from the current interface.
This has some side effects. When for example an NFS is mounted when
one interface is active and the interface is changed afterwards the
NFS packets leave the new interface, but the NFS server won't be
reachable there.
Instead of changing the whole network traffic to the current ethernet
interface we now initialize a network connection with the current
network interface, but then the connection will continue to use that
interface even when the current interface is changed.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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So that barebox has the information which interface a packet
came from.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When doing an ifup set the current interface to the one just
brought up so that it is actually used.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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"ifconfig" and "ip" from normal Linux userspace shows ethernet addresses
normally in lowercase. And the %pM format specifier in Linux does that,
too. Conform to this custom formatting.
Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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* this places the command into the "Network commands"
section of Kconfig
* while at it, improve Kconfig documention
Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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* this compile option actually turns on a command, so name it
accordingly
* also move the Kconfig definition into commands/Kconfig, thus
placing getopt into the "Network commands" section
* while at it, improve Kconfig documention
Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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