/* * Request reply cache. This was heavily inspired by the * implementation in 4.3BSD/4.4BSD. * * Copyright (C) 1995, 1996 Olaf Kirch */ #ifndef NFSCACHE_H #define NFSCACHE_H #include /* * Representation of a reply cache entry. * * Note that we use a sockaddr_in6 to hold the address instead of the more * typical sockaddr_storage. This is for space reasons, since sockaddr_storage * is much larger than a sockaddr_in6. */ struct svc_cacherep { struct list_head c_lru; unsigned char c_state, /* unused, inprog, done */ c_type, /* status, buffer */ c_secure : 1; /* req came from port < 1024 */ struct sockaddr_in6 c_addr; __be32 c_xid; u32 c_prot; u32 c_proc; u32 c_vers; unsigned int c_len; __wsum c_csum; unsigned long c_timestamp; union { struct kvec u_vec; __be32 u_status; } c_u; }; #define c_replvec c_u.u_vec #define c_replstat c_u.u_status /* cache entry states */ enum { RC_UNUSED, RC_INPROG, RC_DONE }; /* return values */ enum { RC_DROPIT, RC_REPLY, RC_DOIT }; /* * Cache types. * We may want to add more types one day, e.g. for diropres and * attrstat replies. Using cache entries with fixed length instead * of buffer pointers may be more efficient. */ enum { RC_NOCACHE, RC_REPLSTAT, RC_REPLBUFF, }; /* * If requests are retransmitted within this interval, they're dropped. */ #define RC_DELAY (HZ/5) /* Cache entries expire after this time period */ #define RC_EXPIRE (120 * HZ) /* Checksum this amount of the request */ #define RC_CSUMLEN (256U) int nfsd_reply_cache_init(void); void nfsd_reply_cache_shutdown(void); int nfsd_cache_lookup(struct svc_rqst *); void nfsd_cache_update(struct svc_rqst *, int, __be32 *); int nfsd_reply_cache_stats_open(struct inode *, struct file *); #endif /* NFSCACHE_H */ linux/net-next.git/tree/tools/perf/tests/sw-clock.c?h=nds-private-remove&id=b1a4c9a19659465d63924568b7b68a2fa65e159c'>treecommit diff

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author	Ard Biesheuvel <ard.biesheuvel@linaro.org>	2017-01-17 13:46:29 +0000
committer	Herbert Xu <herbert@gondor.apana.org.au>	2017-01-23 22:41:33 +0800
commit	11e3b725cfc282efe9d4a354153e99d86a16af08 (patch)
tree	8b5b9e0e1bcae1ab98ee652ffb7b13b05c209bd6 /fs/affs
parent	d6040764adcb5cb6de1489422411d701c158bb69 (diff)

crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes

Update the ARMv8 Crypto Extensions and the plain NEON AES implementations in CBC and CTR modes to return the next IV back to the skcipher API client. This is necessary for chaining to work correctly. Note that for CTR, this is only done if the request is a round multiple of the block size, since otherwise, chaining is impossible anyway. Cc: <stable@vger.kernel.org> # v3.16+ Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Diffstat (limited to 'fs/affs')