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-rw-r--r--recipes-kernel/cryptodev/sdk_patches/0001-refactoring-split-big-function-to-simplify-maintaina.patch244
1 files changed, 0 insertions, 244 deletions
diff --git a/recipes-kernel/cryptodev/sdk_patches/0001-refactoring-split-big-function-to-simplify-maintaina.patch b/recipes-kernel/cryptodev/sdk_patches/0001-refactoring-split-big-function-to-simplify-maintaina.patch
deleted file mode 100644
index 57ac8e1e..00000000
--- a/recipes-kernel/cryptodev/sdk_patches/0001-refactoring-split-big-function-to-simplify-maintaina.patch
+++ /dev/null
@@ -1,244 +0,0 @@
-From 20dcf071bc3076ee7db9d603cfbe6a06e86c7d5f Mon Sep 17 00:00:00 2001
-From: Cristian Stoica <cristian.stoica@nxp.com>
-Date: Thu, 4 May 2017 15:06:20 +0300
-Subject: [PATCH 1/9] refactoring: split big function to simplify maintainance
-
-The setup of auth_buf in tls and aead is now duplicated but this
-is temporary and allows necessary corrections for the aead case
-with v4.2+ kernels.
-
-Signed-off-by: Cristian Stoica <cristian.stoica@nxp.com>
----
- authenc.c | 197 ++++++++++++++++++++++++++++++++++++++++----------------------
- 1 file changed, 126 insertions(+), 71 deletions(-)
-
-diff --git a/authenc.c b/authenc.c
-index 1bd7377..28eb0f9 100644
---- a/authenc.c
-+++ b/authenc.c
-@@ -609,96 +609,151 @@ auth_n_crypt(struct csession *ses_ptr, struct kernel_crypt_auth_op *kcaop,
- return 0;
- }
-
--/* This is the main crypto function - zero-copy edition */
--static int
--__crypto_auth_run_zc(struct csession *ses_ptr, struct kernel_crypt_auth_op *kcaop)
-+static int crypto_auth_zc_srtp(struct csession *ses_ptr, struct kernel_crypt_auth_op *kcaop)
- {
-- struct scatterlist *dst_sg, *auth_sg, *src_sg;
-+ struct scatterlist *dst_sg, *auth_sg;
- struct crypt_auth_op *caop = &kcaop->caop;
-- int ret = 0;
-+ int ret;
-
-- if (caop->flags & COP_FLAG_AEAD_SRTP_TYPE) {
-- if (unlikely(ses_ptr->cdata.init != 0 &&
-- (ses_ptr->cdata.stream == 0 ||
-- ses_ptr->cdata.aead != 0))) {
-- derr(0, "Only stream modes are allowed in SRTP mode (but not AEAD)");
-- return -EINVAL;
-- }
-+ if (unlikely(ses_ptr->cdata.init != 0 &&
-+ (ses_ptr->cdata.stream == 0 || ses_ptr->cdata.aead != 0))) {
-+ derr(0, "Only stream modes are allowed in SRTP mode (but not AEAD)");
-+ return -EINVAL;
-+ }
-
-- ret = get_userbuf_srtp(ses_ptr, kcaop, &auth_sg, &dst_sg);
-- if (unlikely(ret)) {
-- derr(1, "get_userbuf_srtp(): Error getting user pages.");
-- return ret;
-- }
-+ ret = get_userbuf_srtp(ses_ptr, kcaop, &auth_sg, &dst_sg);
-+ if (unlikely(ret)) {
-+ derr(1, "get_userbuf_srtp(): Error getting user pages.");
-+ return ret;
-+ }
-
-- ret = srtp_auth_n_crypt(ses_ptr, kcaop, auth_sg, caop->auth_len,
-- dst_sg, caop->len);
-+ ret = srtp_auth_n_crypt(ses_ptr, kcaop, auth_sg, caop->auth_len,
-+ dst_sg, caop->len);
-
-- release_user_pages(ses_ptr);
-- } else { /* TLS and normal cases. Here auth data are usually small
-- * so we just copy them to a free page, instead of trying
-- * to map them.
-- */
-- unsigned char *auth_buf = NULL;
-- struct scatterlist tmp;
-+ release_user_pages(ses_ptr);
-
-- if (unlikely(caop->auth_len > PAGE_SIZE)) {
-- derr(1, "auth data len is excessive.");
-- return -EINVAL;
-- }
-+ return ret;
-+}
-
-- auth_buf = (char *)__get_free_page(GFP_KERNEL);
-- if (unlikely(!auth_buf)) {
-- derr(1, "unable to get a free page.");
-- return -ENOMEM;
-- }
-+static int crypto_auth_zc_tls(struct csession *ses_ptr, struct kernel_crypt_auth_op *kcaop)
-+{
-+ struct crypt_auth_op *caop = &kcaop->caop;
-+ struct scatterlist *dst_sg, *auth_sg;
-+ unsigned char *auth_buf = NULL;
-+ struct scatterlist tmp;
-+ int ret;
-
-- if (caop->auth_src && caop->auth_len > 0) {
-- if (unlikely(copy_from_user(auth_buf, caop->auth_src, caop->auth_len))) {
-- derr(1, "unable to copy auth data from userspace.");
-- ret = -EFAULT;
-- goto free_auth_buf;
-- }
-+ if (unlikely(ses_ptr->cdata.aead != 0)) {
-+ return -EINVAL;
-+ }
-+
-+ if (unlikely(caop->auth_len > PAGE_SIZE)) {
-+ derr(1, "auth data len is excessive.");
-+ return -EINVAL;
-+ }
-+
-+ auth_buf = (char *)__get_free_page(GFP_KERNEL);
-+ if (unlikely(!auth_buf)) {
-+ derr(1, "unable to get a free page.");
-+ return -ENOMEM;
-+ }
-
-- sg_init_one(&tmp, auth_buf, caop->auth_len);
-- auth_sg = &tmp;
-- } else {
-- auth_sg = NULL;
-+ if (caop->auth_src && caop->auth_len > 0) {
-+ if (unlikely(copy_from_user(auth_buf, caop->auth_src, caop->auth_len))) {
-+ derr(1, "unable to copy auth data from userspace.");
-+ ret = -EFAULT;
-+ goto free_auth_buf;
- }
-
-- if (caop->flags & COP_FLAG_AEAD_TLS_TYPE && ses_ptr->cdata.aead == 0) {
-- ret = get_userbuf_tls(ses_ptr, kcaop, &dst_sg);
-- if (unlikely(ret)) {
-- derr(1, "get_userbuf_tls(): Error getting user pages.");
-- goto free_auth_buf;
-- }
-+ sg_init_one(&tmp, auth_buf, caop->auth_len);
-+ auth_sg = &tmp;
-+ } else {
-+ auth_sg = NULL;
-+ }
-
-- ret = tls_auth_n_crypt(ses_ptr, kcaop, auth_sg, caop->auth_len,
-- dst_sg, caop->len);
-- } else {
-- if (unlikely(ses_ptr->cdata.init == 0 ||
-- (ses_ptr->cdata.stream == 0 &&
-- ses_ptr->cdata.aead == 0))) {
-- derr(0, "Only stream and AEAD ciphers are allowed for authenc");
-- ret = -EINVAL;
-- goto free_auth_buf;
-- }
-+ ret = get_userbuf_tls(ses_ptr, kcaop, &dst_sg);
-+ if (unlikely(ret)) {
-+ derr(1, "get_userbuf_tls(): Error getting user pages.");
-+ goto free_auth_buf;
-+ }
-
-- ret = get_userbuf(ses_ptr, caop->src, caop->len, caop->dst, kcaop->dst_len,
-- kcaop->task, kcaop->mm, &src_sg, &dst_sg);
-- if (unlikely(ret)) {
-- derr(1, "get_userbuf(): Error getting user pages.");
-- goto free_auth_buf;
-- }
-+ ret = tls_auth_n_crypt(ses_ptr, kcaop, auth_sg, caop->auth_len,
-+ dst_sg, caop->len);
-+ release_user_pages(ses_ptr);
-+
-+free_auth_buf:
-+ free_page((unsigned long)auth_buf);
-+ return ret;
-+}
-+
-+static int crypto_auth_zc_aead(struct csession *ses_ptr, struct kernel_crypt_auth_op *kcaop)
-+{
-+ struct scatterlist *dst_sg, *auth_sg, *src_sg;
-+ struct crypt_auth_op *caop = &kcaop->caop;
-+ unsigned char *auth_buf = NULL;
-+ struct scatterlist tmp;
-+ int ret;
-
-- ret = auth_n_crypt(ses_ptr, kcaop, auth_sg, caop->auth_len,
-- src_sg, dst_sg, caop->len);
-+ if (unlikely(ses_ptr->cdata.init == 0 ||
-+ (ses_ptr->cdata.stream == 0 && ses_ptr->cdata.aead == 0))) {
-+ derr(0, "Only stream and AEAD ciphers are allowed for authenc");
-+ return -EINVAL;
-+ }
-+
-+ if (unlikely(caop->auth_len > PAGE_SIZE)) {
-+ derr(1, "auth data len is excessive.");
-+ return -EINVAL;
-+ }
-+
-+ auth_buf = (char *)__get_free_page(GFP_KERNEL);
-+ if (unlikely(!auth_buf)) {
-+ derr(1, "unable to get a free page.");
-+ return -ENOMEM;
-+ }
-+
-+ if (caop->auth_src && caop->auth_len > 0) {
-+ if (unlikely(copy_from_user(auth_buf, caop->auth_src, caop->auth_len))) {
-+ derr(1, "unable to copy auth data from userspace.");
-+ ret = -EFAULT;
-+ goto free_auth_buf;
- }
-
-- release_user_pages(ses_ptr);
-+ sg_init_one(&tmp, auth_buf, caop->auth_len);
-+ auth_sg = &tmp;
-+ } else {
-+ auth_sg = NULL;
-+ }
-+
-+ ret = get_userbuf(ses_ptr, caop->src, caop->len, caop->dst, kcaop->dst_len,
-+ kcaop->task, kcaop->mm, &src_sg, &dst_sg);
-+ if (unlikely(ret)) {
-+ derr(1, "get_userbuf(): Error getting user pages.");
-+ goto free_auth_buf;
-+ }
-+
-+ ret = auth_n_crypt(ses_ptr, kcaop, auth_sg, caop->auth_len,
-+ src_sg, dst_sg, caop->len);
-+
-+ release_user_pages(ses_ptr);
-
- free_auth_buf:
-- free_page((unsigned long)auth_buf);
-+ free_page((unsigned long)auth_buf);
-+
-+ return ret;
-+}
-+
-+static int
-+__crypto_auth_run_zc(struct csession *ses_ptr, struct kernel_crypt_auth_op *kcaop)
-+{
-+ struct crypt_auth_op *caop = &kcaop->caop;
-+ int ret;
-+
-+ if (caop->flags & COP_FLAG_AEAD_SRTP_TYPE) {
-+ ret = crypto_auth_zc_srtp(ses_ptr, kcaop);
-+ } else if (caop->flags & COP_FLAG_AEAD_TLS_TYPE) {
-+ ret = crypto_auth_zc_tls(ses_ptr, kcaop);
-+ } else {
-+ ret = crypto_auth_zc_aead(ses_ptr, kcaop);
- }
-
- return ret;
---
-2.7.4
-
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-26 08:09:16 +0000