From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 641521D5CEA; Sun, 11 May 2025 00:41:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746924100; cv=none; b=r/6bnBbgkWuaxqmaoQoQEXLJM/FU1DjZMp4VQWyRVbB9+plvKIlUbXZdpnCOdUJxMQdWDlqNr1nOQZc3k2qc58lulGyCwdgBg6r1Vb5Y6GywTuysjKLQvtj0fshzqLILlZfYACotvjYAwnjqx1XKbi/y9h85m919gtUtCcqDVHo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746924100; c=relaxed/simple; bh=1M/Uxj/GlzhwSrBWvWBpAp/iDXzpGWDqYvfOyMyRoL4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pIwBYzN1AFi5rP+szGhrwM50ZLt2qU/Icspw8rgQFxkCcHeVIsJzrQt0zT1FhN0b2B4IiKLYHsc386UGvrkPdfNmfkBQAOo2ahP1wOth7LbfK4QYFK0YiACVk9m/gQnT69O2BU3IqM9AHwZnuht0sGmcnC2kcNQd0u+hQfAAtE0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NZOX/xwM; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NZOX/xwM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 631B4C4CEEE; Sun, 11 May 2025 00:41:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746924100; bh=1M/Uxj/GlzhwSrBWvWBpAp/iDXzpGWDqYvfOyMyRoL4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NZOX/xwMxCnXrfMk9nmIM7VO+YI5DMYHUfROWZ/IvYpTGiJ3pS0j87VESZ6xW8kOs A5uDYUAkFqYXzdpzyeng1AI6bchZZ6NmZKvS5t+WQWxNXX9a2yGCpeNKC8dB71eEyX GpBvoEOACOz2AHtm9Y+hBGYNuikSYitAsXa0DpuuiD7xNb3RoKA2jsehoXky/JTvYR 9ptSMpk7mJu4rh3cg/h/r5l042QmusHMbSP5ulzjQMAZBc+UgSwtrcAPi714mInHtX pi7Sqjxuu46+6wuIByHBS6WbVlsJnhDjcQ9CjSpFgfjY3DB5BlAaLJ3tFUyehKvot8 258DbM8dcgFoA== From: Eric Biggers To: netdev@vger.kernel.org Cc: linux-nvme@lists.infradead.org, linux-sctp@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Borkmann , Marcelo Ricardo Leitner , Sagi Grimberg , Ard Biesheuvel Subject: [PATCH net-next 10/10] net: remove skb_copy_and_hash_datagram_iter() Date: Sat, 10 May 2025 17:41:10 -0700 Message-ID: <20250511004110.145171-11-ebiggers@kernel.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250511004110.145171-1-ebiggers@kernel.org> References: <20250511004110.145171-1-ebiggers@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Eric Biggers Now that skb_copy_and_hash_datagram_iter() is no longer used, remove it. Signed-off-by: Eric Biggers --- include/linux/skbuff.h | 4 ---- net/core/datagram.c | 37 ------------------------------------- 2 files changed, 41 deletions(-) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 0027f2977c02..98cecd3a2fb8 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -272,11 +272,10 @@ /* return minimum truesize of one skb containing X bytes of data */ #define SKB_TRUESIZE(X) ((X) + \ SKB_DATA_ALIGN(sizeof(struct sk_buff)) + \ SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) -struct ahash_request; struct net_device; struct scatterlist; struct pipe_inode_info; struct iov_iter; struct napi_struct; @@ -4123,13 +4122,10 @@ static inline int skb_copy_datagram_msg(const struct sk_buff *from, int offset, { return skb_copy_datagram_iter(from, offset, &msg->msg_iter, size); } int skb_copy_and_csum_datagram_msg(struct sk_buff *skb, int hlen, struct msghdr *msg); -int skb_copy_and_hash_datagram_iter(const struct sk_buff *skb, int offset, - struct iov_iter *to, int len, - struct ahash_request *hash); int skb_copy_and_crc32c_datagram_iter(const struct sk_buff *skb, int offset, struct iov_iter *to, int len, u32 *crcp); int skb_copy_datagram_from_iter(struct sk_buff *skb, int offset, struct iov_iter *from, int len); int zerocopy_sg_from_iter(struct sk_buff *skb, struct iov_iter *frm); diff --git a/net/core/datagram.c b/net/core/datagram.c index 47a6eef83162..b83731f11fad 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -60,11 +60,10 @@ #include #include #include #include #include -#include /* * Is a socket 'connection oriented' ? */ static inline int connection_based(struct sock *sk) @@ -480,46 +479,10 @@ static int __skb_datagram_iter(const struct sk_buff *skb, int offset, goto fault; return 0; } -static size_t hash_and_copy_to_iter(const void *addr, size_t bytes, void *hashp, - struct iov_iter *i) -{ -#ifdef CONFIG_CRYPTO_HASH - struct ahash_request *hash = hashp; - struct scatterlist sg; - size_t copied; - - copied = copy_to_iter(addr, bytes, i); - sg_init_one(&sg, addr, copied); - ahash_request_set_crypt(hash, &sg, NULL, copied); - crypto_ahash_update(hash); - return copied; -#else - return 0; -#endif -} - -/** - * skb_copy_and_hash_datagram_iter - Copy datagram to an iovec iterator - * and update a hash. - * @skb: buffer to copy - * @offset: offset in the buffer to start copying from - * @to: iovec iterator to copy to - * @len: amount of data to copy from buffer to iovec - * @hash: hash request to update - */ -int skb_copy_and_hash_datagram_iter(const struct sk_buff *skb, int offset, - struct iov_iter *to, int len, - struct ahash_request *hash) -{ - return __skb_datagram_iter(skb, offset, to, len, true, - hash_and_copy_to_iter, hash); -} -EXPORT_SYMBOL(skb_copy_and_hash_datagram_iter); - #ifdef CONFIG_NET_CRC32C static size_t crc32c_and_copy_to_iter(const void *addr, size_t bytes, void *_crcp, struct iov_iter *i) { u32 *crcp = _crcp; -- 2.49.0