| Commit message (Collapse) | Author | Age | Files | Lines |
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Currently we send a rpc message without checking if the send was
succesful and poll for a answer from the server. If the server didn't
answer within the NFS_TIMEOUT window we send the package again. In case
the package send wasn't successful we always run in that timeout. This
gets even worse if the package send fails more than one time.
Check if the package send was successful and resend the package if it
wasn't to fix this behaviour.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The lifetime of the data provided by a global variable is hard to track.
So move the data pointer into the nfs_priv structure and let rpc_req
return the data to its callers which in turn are responsible to free it.
The callers are changed to use a local variable accordingly. This makes
it plausible that the previous commit catched all usages of the global
data.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The nfs code uses data provided to the packet handler after net_poll()
returned. But the life time of this data already ended when net_poll()
returns. Most of the time it is possible to get away here but on i.MX28
the data is overwritten since commit 82ec28929cc9 ("net: fec_imx: Do not
use DMA coherent memory for Rx buffers").
So the data from the packet is copied to a malloced buffer that needs
free()ing when the data is not used any more.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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A packet from a mount rpc call doesn't have an NFS error field, so don't
try to access this.
In the case of the MOUNT_UMOUNT procedure the reply package is short
such that accessing the u32 after the rpc_reply structure is already
after the end of the packet. Apart from the access to out-of-packet data
there is no harm because the wrongly read value is unused. But make this
more explicit by only using nfserr if the call was an NFS request.
Fixes: 9ede56ad2476 ("fs: Add NFS support")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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loff_t is the correct type for file sizes. Use it to allow to truncate
to sizes bigger than 32bit.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Returning requested offset from .lseek() callback doesn't really give
us any new information while bringing unnecessary
complications. Change all .lseek() types (both in struct struct
cdev_operations and in struct fs_driver_d) to return 'int' and adjust
the rest of the codebase accordingly.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Instead on relying on driver callbacks to update 'pos' in FILE, do it
as a part of lseek() code. This allows us to drop a bit of repeating
code as well as making lseek() implementation consistent with write()
and read().
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The resolv() function used to return the IP address. When net_udp_new()
fails we return an error code though which the callers of resolv() take
as an IP address. This is wrong of course and we could return 0 in this
case. Instead we return an error code and pass the resolved IP as a
pointer which allows us to return proper error codes.
This patch also adds error messages and error returns to the various
callers of resolv() which used to just continue with a zero IP and
let the user figure out what went wrong.
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: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This adds the linux.bootarg device parameter from the network device of
the current nfs connection and adds it to the nfs bootargs line.
This allows booting from nfs without manually setting a ip=dhcp or
ip=<ipaddr> option.
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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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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Using NFS in conjunction with boot spec and the feature to let Barebox
auto generate a kernel command line must keep the options the NFS filesystem
was mounted in Barebox. This patch extends the kernel command line parameter
on demand if something different than the defaults are used.
The command:
barebox:/ boot nfs://myhost//root
expands to the kernel command line:
nfsroot=myhost:/root,v3,tcp
while the command:
barebox:/ boot nfs://myhost:2049//root
expands now to the kernel command line:
nfsroot=myhost:/root,v3,tcp,mountport=2049,port=2049
Signed-off-by: Juergen Borleis <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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pico_socket_connect() needs remote_port != 0.
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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Add the root= parameter for NFS filesystems. We currently hardcode
v3 and tcp which probably needs to become configurable at some point.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Because that's what it is. 'inode' will become confusing
once we support real inodes.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This file originates in Linux. Linux has it under include/linux/
directory since commit dccd2304cc90.
Let's move it to the same place as well in barebox.
This commit was generated by the following commands:
find -name '*.[chS]' | xargs sed -i -e 's:<sizes.h>:<linux/sizes.h>:'
git mv include/sizes.h include/linux/
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This allows to use unfs3 on the server side which doesn't integrate into
portmap/rpcbind which results in the port not being impossible to lookup
via rpc calls to the portmap program.
Use it like:
mount -t nfs -o port=2703,mountport=2703 192.168.77.157:/root /mnt/nfs
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This was tested against nfs-kernel-server and unfs3.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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While at it also fix the type of flen holding a string length
(int -> size_t).
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Instead of letting rpc_lookup_req set mount_port and nfs_port, let it
return the port found and let the caller use that information.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When a former transaction was aborted by hitting Ctrl-C the old reply might
still hang in the ethernet controller making all further transactions fail.
So just skip over old replies.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We're speaking rpc mount version 2 (i.e. the same version as the
implemented nfs protocol), so also specify that in the lookup.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The FSF address has changed in the past. Instead of updating it
each time the address changes, just drop it completely treewide.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Currently we always request 1024.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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This is a first step for 64bit file support: Make the file sizes/offsets
64bit.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch adds readonly NFS support. Currently no links are supported.
This is based on the previous U-Boot/NetBSD based code and some Kernel
bits.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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