rxrpc: Allow a delay to be injected into packet reception

If CONFIG_AF_RXRPC_DEBUG_RX_DELAY=y, then a delay is injected between
packets and errors being received and them being made available to the

rxrpc: Allow a delay to be injected into packet reception

If CONFIG_AF_RXRPC_DEBUG_RX_DELAY=y, then a delay is injected between
packets and errors being received and them being made available to the
processing code, thereby allowing the RTT to be artificially increased.

Signed-off-by: David Howells <[email protected]>
cc: Marc Dionne <[email protected]>
cc: [email protected]

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rxrpc: Implement an in-kernel rxperf server for testing purposes

Implement an in-kernel rxperf server to allow kernel-based rxrpc services
to be tested directly, unlike with AFS where they're access

rxrpc: Implement an in-kernel rxperf server for testing purposes

Implement an in-kernel rxperf server to allow kernel-based rxrpc services
to be tested directly, unlike with AFS where they're accessed by the
fileserver when the latter decides it wants to.

This is implemented as a module that, if loaded, opens UDP port 7009
(afs3-rmtsys) and listens on it for incoming calls. Calls can be generated
using the rxperf command shipped with OpenAFS, for example.

Changes
=======
ver #2)
- Use min_t() instead of min().

Signed-off-by: David Howells <[email protected]>
cc: Marc Dionne <[email protected]>
cc: [email protected]
cc: Jakub Kicinski <[email protected]>

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net: RxRPC: make dependent Kconfig symbols be shown indented

Make all dependent RxRPC kconfig entries be dependent on AF_RXRPC
so that they are presented (indented) after AF_RXRPC instead
of being p

net: RxRPC: make dependent Kconfig symbols be shown indented

Make all dependent RxRPC kconfig entries be dependent on AF_RXRPC
so that they are presented (indented) after AF_RXRPC instead
of being presented at the same level on indentation.

Signed-off-by: Randy Dunlap <[email protected]>
Cc: David Howells <[email protected]>
Cc: Marc Dionne <[email protected]>
Cc: [email protected]
Cc: "David S. Miller" <[email protected]>
Cc: Jakub Kicinski <[email protected]>
Cc: [email protected]
Signed-off-by: David S. Miller <[email protected]>

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rxrpc: Fix missing dependency on NET_UDP_TUNNEL

The changes to make rxrpc create the udp socket missed a bit to add the
Kconfig dependency on the udp tunnel code to do this.

Fix this by adding maki

rxrpc: Fix missing dependency on NET_UDP_TUNNEL

The changes to make rxrpc create the udp socket missed a bit to add the
Kconfig dependency on the udp tunnel code to do this.

Fix this by adding making AF_RXRPC select NET_UDP_TUNNEL.

Fixes: 1a9b86c9fd95 ("rxrpc: use udp tunnel APIs instead of open code in rxrpc_open_socket")
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Vadim Fedorenko <[email protected]>
Signed-off-by: David Howells <[email protected]>
Reviewed-by: Xin Long <[email protected]>
cc: [email protected]
cc: Jakub Kicinski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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docs: networking: convert rxrpc.txt to ReST

- add SPDX header;
- adjust title markup;
- use autonumbered list markups;
- mark code blocks and literals as such;
- mark tables as such;
- adjust identa

docs: networking: convert rxrpc.txt to ReST

- add SPDX header;
- adjust title markup;
- use autonumbered list markups;
- mark code blocks and literals as such;
- mark tables as such;
- adjust identation, whitespaces and blank lines where needed;
- add to networking/index.rst.

Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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crypto: skcipher - rename the crypto_blkcipher module and kconfig option

Now that the blkcipher algorithm type has been removed in favor of
skcipher, rename the crypto_blkcipher kernel module to cry

crypto: skcipher - rename the crypto_blkcipher module and kconfig option

Now that the blkcipher algorithm type has been removed in favor of
skcipher, rename the crypto_blkcipher kernel module to crypto_skcipher,
and rename the config options accordingly:

CONFIG_CRYPTO_BLKCIPHER => CONFIG_CRYPTO_SKCIPHER
CONFIG_CRYPTO_BLKCIPHER2 => CONFIG_CRYPTO_SKCIPHER2

Signed-off-by: Eric Biggers <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

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treewide: Add SPDX license identifier - Makefile/Kconfig

Add SPDX license identifiers to all Make/Kconfig files which:

- Have no license information of any form

These files fall under the project

treewide: Add SPDX license identifier - Makefile/Kconfig

Add SPDX license identifiers to all Make/Kconfig files which:

- Have no license information of any form

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

GPL-2.0-only

Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

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rxrpc: Add config to inject packet loss

Add a configuration option to inject packet loss by discarding
approximately every 8th packet received and approximately every 8th DATA
packet transmitted.

N

rxrpc: Add config to inject packet loss

Add a configuration option to inject packet loss by discarding
approximately every 8th packet received and approximately every 8th DATA
packet transmitted.

Note that no locking is used, but it shouldn't really matter.

Signed-off-by: David Howells <[email protected]>

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rxrpc: Make IPv6 support conditional on CONFIG_IPV6

Add CONFIG_AF_RXRPC_IPV6 and make the IPv6 support code conditional on it.
This is then made conditional on CONFIG_IPV6.

Without this, the follow

rxrpc: Make IPv6 support conditional on CONFIG_IPV6

Add CONFIG_AF_RXRPC_IPV6 and make the IPv6 support code conditional on it.
This is then made conditional on CONFIG_IPV6.

Without this, the following can be seen:

net/built-in.o: In function `rxrpc_init_peer':
>> peer_object.c:(.text+0x18c3c8): undefined reference to `ip6_route_output_flags'

Reported-by: kbuild test robot <[email protected]>
Signed-off-by: David Howells <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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rxrpc: Absorb the rxkad security module

Absorb the rxkad security module into the af_rxrpc module so that there's
only one module file. This avoids a circular dependency whereby rxkad pins
af_rxrpc

rxrpc: Absorb the rxkad security module

Absorb the rxkad security module into the af_rxrpc module so that there's
only one module file. This avoids a circular dependency whereby rxkad pins
af_rxrpc and cached connections pin rxkad but can't be manually evicted
(they will expire eventually and cease pinning).

With this change, af_rxrpc can just be unloaded, despite having cached
connections.

Signed-off-by: David Howells <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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net/rxrpc: remove depends on CONFIG_EXPERIMENTAL

The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux

net/rxrpc: remove depends on CONFIG_EXPERIMENTAL

The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.

CC: "David S. Miller" <[email protected]>
Signed-off-by: Kees Cook <[email protected]>
Acked-by: David S. Miller <[email protected]>

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[RXRPC]: Add missing select on CRYPTO

AF_RXRPC uses the crypto services, so should depend on or select CRYPTO.

Signed-off-by: David Howells <[email protected]>
Signed-off-by: Herbert Xu <herbert@

[RXRPC]: Add missing select on CRYPTO

AF_RXRPC uses the crypto services, so should depend on or select CRYPTO.

Signed-off-by: David Howells <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

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[AF_RXRPC]: AF_RXRPC depends on IPv4

Add a dependency for CONFIG_AF_RXRPC on CONFIG_INET. This fixes this
error:

net/built-in.o: In function `rxrpc_get_peer':
(.text+0x42824): undefined reference

[AF_RXRPC]: AF_RXRPC depends on IPv4

Add a dependency for CONFIG_AF_RXRPC on CONFIG_INET. This fixes this
error:

net/built-in.o: In function `rxrpc_get_peer':
(.text+0x42824): undefined reference to `ip_route_output_key'

Signed-off-by: David Howells <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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[AFS/AF_RXRPC]: Miscellaneous fixes.

Make miscellaneous fixes to AFS and AF_RXRPC:

(*) Make AF_RXRPC select KEYS rather than RXKAD or AFS_FS in Kconfig.

(*) Don't use FS_BINARY_MOUNTDATA.

(*)

[AFS/AF_RXRPC]: Miscellaneous fixes.

Make miscellaneous fixes to AFS and AF_RXRPC:

(*) Make AF_RXRPC select KEYS rather than RXKAD or AFS_FS in Kconfig.

(*) Don't use FS_BINARY_MOUNTDATA.

(*) Remove a done 'TODO' item in a comemnt on afs_get_sb().

(*) Don't pass a void * as the page pointer argument of kmap_atomic() as this
breaks on m68k. Patch from Geert Uytterhoeven <[email protected]>.

(*) Use match_*() functions rather than doing my own parsing.

Signed-off-by: David Howells <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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[AF_RXRPC/AFS]: Arch-specific fixes.

Fixes for various arch compilation problems:

(*) Missing module exports.

(*) Variable name collision when rxkad and af_rxrpc both built in
(rxrpc_debug)

[AF_RXRPC/AFS]: Arch-specific fixes.

Fixes for various arch compilation problems:

(*) Missing module exports.

(*) Variable name collision when rxkad and af_rxrpc both built in
(rxrpc_debug).

(*) Large constant representation problem (AFS_UUID_TO_UNIX_TIME).

(*) Configuration dependencies.

(*) printk() format warnings.

Signed-off-by: David Howells <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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[AF_RXRPC]: Provide secure RxRPC sockets for use by userspace and kernel both

Provide AF_RXRPC sockets that can be used to talk to AFS servers, or serve
answers to AFS clients. KerberosIV security

[AF_RXRPC]: Provide secure RxRPC sockets for use by userspace and kernel both

Provide AF_RXRPC sockets that can be used to talk to AFS servers, or serve
answers to AFS clients. KerberosIV security is fully supported. The patches
and some example test programs can be found in:

http://people.redhat.com/~dhowells/rxrpc/

This will eventually replace the old implementation of kernel-only RxRPC
currently resident in net/rxrpc/.

Signed-off-by: David Howells <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

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