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[209.132.180.67]) by mx.google.com with ESMTP id r14si10162713pgf.6.2017.07.02.07.46.10; Sun, 02 Jul 2017 07:46:10 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752659AbdGBOpx (ORCPT + 25 others); Sun, 2 Jul 2017 10:45:53 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:54180 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752638AbdGBOpr (ORCPT ); Sun, 2 Jul 2017 10:45:47 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A07B715B2; Sun, 2 Jul 2017 07:45:46 -0700 (PDT) Received: from localhost.localdomain (usa-sjc-mx-foss1.foss.arm.com [217.140.101.70]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id C569E3F578; Sun, 2 Jul 2017 07:45:38 -0700 (PDT) From: Gilad Ben-Yossef To: Herbert Xu , "David S. Miller" , Jonathan Corbet , David Howells , Tom Lendacky , Gary Hook , Boris Brezillon , Arnaud Ebalard , Matthias Brugger , Alasdair Kergon , Mike Snitzer , dm-devel@redhat.com, Shaohua Li , Steve French , "Theodore Y. Ts'o" , Jaegeuk Kim , Mimi Zohar , Dmitry Kasatkin , James Morris , "Serge E. Hallyn" , linux-crypto@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, keyrings@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-raid@vger.kernel.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-fscrypt@vger.kernel.org, linux-ima-devel@lists.sourceforge.net, linux-ima-user@lists.sourceforge.net, linux-security-module@vger.kernel.org Cc: Ofir Drang Subject: [PATCH v3 15/28] crypto: move algif to generic async completion Date: Sun, 2 Jul 2017 17:41:57 +0300 Message-Id: <1499006535-19760-16-git-send-email-gilad@benyossef.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1499006535-19760-1-git-send-email-gilad@benyossef.com> References: <1499006535-19760-1-git-send-email-gilad@benyossef.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org algif starts several async crypto ops and waits for their completion. Move it over to generic code doing the same. Signed-off-by: Gilad Ben-Yossef --- crypto/af_alg.c | 27 --------------------------- crypto/algif_aead.c | 14 +++++++------- crypto/algif_hash.c | 29 +++++++++++++---------------- crypto/algif_skcipher.c | 15 +++++++-------- include/crypto/if_alg.h | 14 -------------- 5 files changed, 27 insertions(+), 72 deletions(-) -- 2.1.4 diff --git a/crypto/af_alg.c b/crypto/af_alg.c index c67daba..bf4acaf 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -480,33 +480,6 @@ int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con) } EXPORT_SYMBOL_GPL(af_alg_cmsg_send); -int af_alg_wait_for_completion(int err, struct af_alg_completion *completion) -{ - switch (err) { - case -EINPROGRESS: - case -EIOCBQUEUED: - wait_for_completion(&completion->completion); - reinit_completion(&completion->completion); - err = completion->err; - break; - }; - - return err; -} -EXPORT_SYMBOL_GPL(af_alg_wait_for_completion); - -void af_alg_complete(struct crypto_async_request *req, int err) -{ - struct af_alg_completion *completion = req->data; - - if (err == -EINPROGRESS) - return; - - completion->err = err; - complete(&completion->completion); -} -EXPORT_SYMBOL_GPL(af_alg_complete); - static int __init af_alg_init(void) { int err = proto_register(&alg_proto, 0); diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c index 8af664f..4881cb1 100644 --- a/crypto/algif_aead.c +++ b/crypto/algif_aead.c @@ -57,7 +57,7 @@ struct aead_ctx { void *iv; - struct af_alg_completion completion; + struct crypto_wait wait; unsigned long used; @@ -648,10 +648,10 @@ static int aead_recvmsg_sync(struct socket *sock, struct msghdr *msg, int flags) used, ctx->iv); aead_request_set_ad(&ctx->aead_req, ctx->aead_assoclen); - err = af_alg_wait_for_completion(ctx->enc ? - crypto_aead_encrypt(&ctx->aead_req) : - crypto_aead_decrypt(&ctx->aead_req), - &ctx->completion); + err = crypto_wait_req(ctx->enc ? + crypto_aead_encrypt(&ctx->aead_req) : + crypto_aead_decrypt(&ctx->aead_req), + &ctx->wait); if (err) { /* EBADMSG implies a valid cipher operation took place */ @@ -912,7 +912,7 @@ static int aead_accept_parent_nokey(void *private, struct sock *sk) ctx->enc = 0; ctx->tsgl.cur = 0; ctx->aead_assoclen = 0; - af_alg_init_completion(&ctx->completion); + crypto_init_wait(&ctx->wait); sg_init_table(ctx->tsgl.sg, ALG_MAX_PAGES); INIT_LIST_HEAD(&ctx->list); @@ -920,7 +920,7 @@ static int aead_accept_parent_nokey(void *private, struct sock *sk) aead_request_set_tfm(&ctx->aead_req, aead); aead_request_set_callback(&ctx->aead_req, CRYPTO_TFM_REQ_MAY_BACKLOG, - af_alg_complete, &ctx->completion); + crypto_req_done, &ctx->wait); sk->sk_destruct = aead_sock_destruct; diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index 5e92bd2..6a6739a 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -26,7 +26,7 @@ struct hash_ctx { u8 *result; - struct af_alg_completion completion; + struct crypto_wait wait; unsigned int len; bool more; @@ -88,8 +88,7 @@ static int hash_sendmsg(struct socket *sock, struct msghdr *msg, if ((msg->msg_flags & MSG_MORE)) hash_free_result(sk, ctx); - err = af_alg_wait_for_completion(crypto_ahash_init(&ctx->req), - &ctx->completion); + err = crypto_wait_req(crypto_ahash_init(&ctx->req), &ctx->wait); if (err) goto unlock; } @@ -110,8 +109,8 @@ static int hash_sendmsg(struct socket *sock, struct msghdr *msg, ahash_request_set_crypt(&ctx->req, ctx->sgl.sg, NULL, len); - err = af_alg_wait_for_completion(crypto_ahash_update(&ctx->req), - &ctx->completion); + err = crypto_wait_req(crypto_ahash_update(&ctx->req), + &ctx->wait); af_alg_free_sg(&ctx->sgl); if (err) goto unlock; @@ -129,8 +128,8 @@ static int hash_sendmsg(struct socket *sock, struct msghdr *msg, goto unlock; ahash_request_set_crypt(&ctx->req, NULL, ctx->result, 0); - err = af_alg_wait_for_completion(crypto_ahash_final(&ctx->req), - &ctx->completion); + err = crypto_wait_req(crypto_ahash_final(&ctx->req), + &ctx->wait); } unlock: @@ -171,7 +170,7 @@ static ssize_t hash_sendpage(struct socket *sock, struct page *page, } else { if (!ctx->more) { err = crypto_ahash_init(&ctx->req); - err = af_alg_wait_for_completion(err, &ctx->completion); + err = crypto_wait_req(err, &ctx->wait); if (err) goto unlock; } @@ -179,7 +178,7 @@ static ssize_t hash_sendpage(struct socket *sock, struct page *page, err = crypto_ahash_update(&ctx->req); } - err = af_alg_wait_for_completion(err, &ctx->completion); + err = crypto_wait_req(err, &ctx->wait); if (err) goto unlock; @@ -215,17 +214,15 @@ static int hash_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, ahash_request_set_crypt(&ctx->req, NULL, ctx->result, 0); if (!result && !ctx->more) { - err = af_alg_wait_for_completion( - crypto_ahash_init(&ctx->req), - &ctx->completion); + err = crypto_wait_req(crypto_ahash_init(&ctx->req), &ctx->wait); if (err) goto unlock; } if (!result || ctx->more) { ctx->more = 0; - err = af_alg_wait_for_completion(crypto_ahash_final(&ctx->req), - &ctx->completion); + err = crypto_wait_req(crypto_ahash_final(&ctx->req), + &ctx->wait); if (err) goto unlock; } @@ -476,13 +473,13 @@ static int hash_accept_parent_nokey(void *private, struct sock *sk) ctx->result = NULL; ctx->len = len; ctx->more = 0; - af_alg_init_completion(&ctx->completion); + crypto_init_wait(&ctx->wait); ask->private = ctx; ahash_request_set_tfm(&ctx->req, hash); ahash_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_BACKLOG, - af_alg_complete, &ctx->completion); + crypto_req_done, &ctx->wait); sk->sk_destruct = hash_sock_destruct; diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index 43839b0..75fa9a5 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -43,7 +43,7 @@ struct skcipher_ctx { void *iv; - struct af_alg_completion completion; + struct crypto_wait wait; atomic_t inflight; size_t used; @@ -684,11 +684,10 @@ static int skcipher_recvmsg_sync(struct socket *sock, struct msghdr *msg, skcipher_request_set_crypt(&ctx->req, sg, ctx->rsgl.sg, used, ctx->iv); - err = af_alg_wait_for_completion( - ctx->enc ? - crypto_skcipher_encrypt(&ctx->req) : - crypto_skcipher_decrypt(&ctx->req), - &ctx->completion); + err = crypto_wait_req(ctx->enc ? + crypto_skcipher_encrypt(&ctx->req) : + crypto_skcipher_decrypt(&ctx->req), + &ctx->wait); free: af_alg_free_sg(&ctx->rsgl); @@ -948,14 +947,14 @@ static int skcipher_accept_parent_nokey(void *private, struct sock *sk) ctx->merge = 0; ctx->enc = 0; atomic_set(&ctx->inflight, 0); - af_alg_init_completion(&ctx->completion); + crypto_init_wait(&ctx->wait); ask->private = ctx; skcipher_request_set_tfm(&ctx->req, skcipher); skcipher_request_set_callback(&ctx->req, CRYPTO_TFM_REQ_MAY_SLEEP | CRYPTO_TFM_REQ_MAY_BACKLOG, - af_alg_complete, &ctx->completion); + crypto_req_done, &ctx->wait); sk->sk_destruct = skcipher_sock_destruct; diff --git a/include/crypto/if_alg.h b/include/crypto/if_alg.h index e2b9c6f..86764fb 100644 --- a/include/crypto/if_alg.h +++ b/include/crypto/if_alg.h @@ -14,7 +14,6 @@ #define _CRYPTO_IF_ALG_H #include -#include #include #include #include @@ -37,11 +36,6 @@ struct alg_sock { void *private; }; -struct af_alg_completion { - struct completion completion; - int err; -}; - struct af_alg_control { struct af_alg_iv *iv; int op; @@ -81,17 +75,9 @@ void af_alg_link_sg(struct af_alg_sgl *sgl_prev, struct af_alg_sgl *sgl_new); int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con); -int af_alg_wait_for_completion(int err, struct af_alg_completion *completion); -void af_alg_complete(struct crypto_async_request *req, int err); - static inline struct alg_sock *alg_sk(struct sock *sk) { return (struct alg_sock *)sk; } -static inline void af_alg_init_completion(struct af_alg_completion *completion) -{ - init_completion(&completion->completion); -} - #endif /* _CRYPTO_IF_ALG_H */