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Following the async change for algif_skcipher
this patch adds similar async read to algif_aead.
changes in v3:
- add call to aead_reset_ctx directly from aead_put_sgl instead of calling
them separatelly one after the other
- remove wait from aead_sock_destruct function as it is not needed
when sock_hold is used
changes in v2:
- change internal data structures from fixed size arrays, limited to
RSGL_MAX_ENTRIES, to linked list model with no artificial limitation.
- use sock_kmalloc instead of kmalloc for memory allocation
- use sock_hold instead of separate atomic ctr to wait for outstanding
request
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Pull networking updates from Davic Miller:
1) Support busy polling generically, for all NAPI drivers. From Eric
Dumazet.
2) Add byte/packet counter support to nft_ct, from Floriani Westphal.
3) Add RSS/XPS support to mvneta driver, from Gregory Clement.
4) Implement IPV6_HDRINCL socket option for raw sockets, from Hannes
Frederic Sowa.
5) Add support for T6 adapter to cxgb4 driver, from Hariprasad Shenai.
6) Add support for VLAN device bridging to mlxsw switch driver, from
Ido Schimmel.
7) Add driver for Netronome NFP4000/NFP6000, from Jakub Kicinski.
8) Provide hwmon interface to mlxsw switch driver, from Jiri Pirko.
9) Reorganize wireless drivers into per-vendor directories just like we
do for ethernet drivers. From Kalle Valo.
10) Provide a way for administrators "destroy" connected sockets via the
SOCK_DESTROY socket netlink diag operation. From Lorenzo Colitti.
11) Add support to add/remove multicast routes via netlink, from Nikolay
Aleksandrov.
12) Make TCP keepalive settings per-namespace, from Nikolay Borisov.
13) Add forwarding and packet duplication facilities to nf_tables, from
Pablo Neira Ayuso.
14) Dead route support in MPLS, from Roopa Prabhu.
15) TSO support for thunderx chips, from Sunil Goutham.
16) Add driver for IBM's System i/p VNIC protocol, from Thomas Falcon.
17) Rationalize, consolidate, and more completely document the checksum
offloading facilities in the networking stack. From Tom Herbert.
18) Support aborting an ongoing scan in mac80211/cfg80211, from
Vidyullatha Kanchanapally.
19) Use per-bucket spinlock for bpf hash facility, from Tom Leiming.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1375 commits)
net: bnxt: always return values from _bnxt_get_max_rings
net: bpf: reject invalid shifts
phonet: properly unshare skbs in phonet_rcv()
dwc_eth_qos: Fix dma address for multi-fragment skbs
phy: remove an unneeded condition
mdio: remove an unneed condition
mdio_bus: NULL dereference on allocation error
net: Fix typo in netdev_intersect_features
net: freescale: mac-fec: Fix build error from phy_device API change
net: freescale: ucc_geth: Fix build error from phy_device API change
bonding: Prevent IPv6 link local address on enslaved devices
IB/mlx5: Add flow steering support
net/mlx5_core: Export flow steering API
net/mlx5_core: Make ipv4/ipv6 location more clear
net/mlx5_core: Enable flow steering support for the IB driver
net/mlx5_core: Initialize namespaces only when supported by device
net/mlx5_core: Set priority attributes
net/mlx5_core: Connect flow tables
net/mlx5_core: Introduce modify flow table command
net/mlx5_core: Managing root flow table
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Conflicts:
drivers/net/ethernet/renesas/ravb_main.c
kernel/bpf/syscall.c
net/ipv4/ipmr.c
All three conflicts were cases of overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The memory barrier in the helper wq_has_sleeper is needed by just
about every user of waitqueue_active. This patch generalises it
by making it take a wait_queue_head_t directly. The existing
helper is renamed to skwq_has_sleeper.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
"Algorithms:
- Add RSA padding algorithm
Drivers:
- Add GCM mode support to atmel
- Add atmel support for SAMA5D2 devices
- Add cipher modes to talitos
- Add rockchip driver for rk3288
- Add qat support for C3XXX and C62X"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (103 commits)
crypto: hifn_795x, picoxcell - use ablkcipher_request_cast
crypto: qat - fix SKU definiftion for c3xxx dev
crypto: qat - Fix random config build issue
crypto: ccp - use to_pci_dev and to_platform_device
crypto: qat - Rename dh895xcc mmp firmware
crypto: 842 - remove WARN inside printk
crypto: atmel-aes - add debug facilities to monitor register accesses.
crypto: atmel-aes - add support to GCM mode
crypto: atmel-aes - change the DMA threshold
crypto: atmel-aes - fix the counter overflow in CTR mode
crypto: atmel-aes - fix atmel-ctr-aes driver for RFC 3686
crypto: atmel-aes - create sections to regroup functions by usage
crypto: atmel-aes - fix typo and indentation
crypto: atmel-aes - use SIZE_IN_WORDS() helper macro
crypto: atmel-aes - improve performances of data transfer
crypto: atmel-aes - fix atmel_aes_remove()
crypto: atmel-aes - remove useless AES_FLAGS_DMA flag
crypto: atmel-aes - reduce latency of DMA completion
crypto: atmel-aes - remove unused 'err' member of struct atmel_aes_dev
crypto: atmel-aes - rework crypto request completion
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Some variable are set as int but store only positive values.
Furthermore there are used in operation/function that wait for unsigned
value.
This patch set them as size_t.
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch is a cleanup to make following patch easier to
review.
Goal is to move SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA
from (struct socket)->flags to a (struct socket_wq)->flags
to benefit from RCU protection in sock_wake_async()
To ease backports, we rename both constants.
Two new helpers, sk_set_bit(int nr, struct sock *sk)
and sk_clear_bit(int net, struct sock *sk) are added so that
following patch can change their implementation.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The tsgl scatterlist must be re-initialized after each
operation. Otherwise the sticky bits in the page_link will corrupt the
list with pre-mature termination or false chaining.
Signed-off-by: Lars Persson <larper@axis.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch removes the CRYPTO_ALG_AEAD_NEW flag now that everyone
has been converted.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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As the AEAD conversion is still ongoing, we do not yet wish to
export legacy AEAD implementations to user-space, as their calling
convention will change.
This patch actually disables all AEAD algorithms because some of
them (e.g., cryptd) will need to be modified to propagate this flag.
Subsequent patches will reenable them on an individual basis.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch makes use of the new AEAD interface which uses a single
SG list instead of separate lists for the AD and plain text.
Note that the user-space interface now requires both input and
output to be of the same length, and both must include space for
the AD as well as the authentication tag.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Merge the crypto tree for 4.1 to pull in the changeset that disables
algif_aead.
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This patch fixes it.
Also minor updates to comments.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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All users of AEAD should include crypto/aead.h instead of
include/linux/crypto.h.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: David S. Miller <davem@davemloft.net>
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The networking updates from David Miller removed the iocb argument from
sendmsg and recvmsg (in commit 1b784140474e: "net: Remove iocb argument
from sendmsg and recvmsg"), but the crypto code had added new instances
of them.
When I pulled the crypto update, it was a silent semantic mis-merge, and
I overlooked the new warning messages in my test-build. I try to fix
those in the merge itself, but that relies on me noticing. Oh well.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch adds the AEAD support for AF_ALG.
The implementation is based on algif_skcipher, but contains heavy
modifications to streamline the interface for AEAD uses.
To use AEAD, the user space consumer has to use the salg_type named
"aead".
The AEAD implementation includes some overhead to calculate the size of
the ciphertext, because the AEAD implementation of the kernel crypto API
makes implied assumption on the location of the authentication tag. When
performing an encryption, the tag will be added to the created
ciphertext (note, the tag is placed adjacent to the ciphertext). For
decryption, the caller must hand in the ciphertext with the tag appended
to the ciphertext. Therefore, the selection of the used memory
needs to add/subtract the tag size from the source/destination buffers
depending on the encryption type. The code is provided with comments
explaining when and how that operation is performed.
A fully working example using all aspects of AEAD is provided at
http://www.chronox.de/libkcapi.html
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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