mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-29 10:08:59 +00:00
4f277b4da5
A lot of patches are outdated versions of upstreamed patches and drivers. So lets pull in the upstreamed patches and reorder remaining ones. This drops the unnecessary 721-dts-ipq4019-add-ethernet-essedma-node.patch which adds nodes for not yet in OpenWrt IPQESS driver. Signed-off-by: Robert Marko <robert.marko@sartura.hr> [do not touch 902-dts-ipq4019-ap-dk04.1.patch here] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
86 lines
2.9 KiB
Diff
86 lines
2.9 KiB
Diff
From 3ee50c896d712dc2fc8f34c2cd1918d035e74045 Mon Sep 17 00:00:00 2001
|
|
From: Eneas U de Queiroz <cotequeiroz@gmail.com>
|
|
Date: Fri, 20 Dec 2019 16:02:15 -0300
|
|
Subject: [PATCH 04/11] crypto: qce - save a sg table slot for result buf
|
|
|
|
When ctr-aes-qce is used for gcm-mode, an extra sg entry for the
|
|
authentication tag is present, causing trouble when the qce driver
|
|
prepares the dst-results sg table for dma.
|
|
|
|
It computes the number of entries needed with sg_nents_for_len, leaving
|
|
out the tag entry. Then it creates a sg table with that number plus
|
|
one, used to store a result buffer.
|
|
|
|
When copying the sg table, there's no limit to the number of entries
|
|
copied, so the extra slot is filled with the authentication tag sg.
|
|
When the driver tries to add the result sg, the list is full, and it
|
|
returns EINVAL.
|
|
|
|
By limiting the number of sg entries copied to the dest table, the slot
|
|
for the result buffer is guaranteed to be unused.
|
|
|
|
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
|
|
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
|
|
---
|
|
drivers/crypto/qce/dma.c | 6 ++++--
|
|
drivers/crypto/qce/dma.h | 3 ++-
|
|
drivers/crypto/qce/skcipher.c | 4 ++--
|
|
3 files changed, 8 insertions(+), 5 deletions(-)
|
|
|
|
--- a/drivers/crypto/qce/dma.c
|
|
+++ b/drivers/crypto/qce/dma.c
|
|
@@ -47,7 +47,8 @@ void qce_dma_release(struct qce_dma_data
|
|
}
|
|
|
|
struct scatterlist *
|
|
-qce_sgtable_add(struct sg_table *sgt, struct scatterlist *new_sgl)
|
|
+qce_sgtable_add(struct sg_table *sgt, struct scatterlist *new_sgl,
|
|
+ int max_ents)
|
|
{
|
|
struct scatterlist *sg = sgt->sgl, *sg_last = NULL;
|
|
|
|
@@ -60,12 +61,13 @@ qce_sgtable_add(struct sg_table *sgt, st
|
|
if (!sg)
|
|
return ERR_PTR(-EINVAL);
|
|
|
|
- while (new_sgl && sg) {
|
|
+ while (new_sgl && sg && max_ents) {
|
|
sg_set_page(sg, sg_page(new_sgl), new_sgl->length,
|
|
new_sgl->offset);
|
|
sg_last = sg;
|
|
sg = sg_next(sg);
|
|
new_sgl = sg_next(new_sgl);
|
|
+ max_ents--;
|
|
}
|
|
|
|
return sg_last;
|
|
--- a/drivers/crypto/qce/dma.h
|
|
+++ b/drivers/crypto/qce/dma.h
|
|
@@ -42,6 +42,7 @@ int qce_dma_prep_sgs(struct qce_dma_data
|
|
void qce_dma_issue_pending(struct qce_dma_data *dma);
|
|
int qce_dma_terminate_all(struct qce_dma_data *dma);
|
|
struct scatterlist *
|
|
-qce_sgtable_add(struct sg_table *sgt, struct scatterlist *sg_add);
|
|
+qce_sgtable_add(struct sg_table *sgt, struct scatterlist *sg_add,
|
|
+ int max_ents);
|
|
|
|
#endif /* _DMA_H_ */
|
|
--- a/drivers/crypto/qce/skcipher.c
|
|
+++ b/drivers/crypto/qce/skcipher.c
|
|
@@ -95,13 +95,13 @@ qce_skcipher_async_req_handle(struct cry
|
|
|
|
sg_init_one(&rctx->result_sg, qce->dma.result_buf, QCE_RESULT_BUF_SZ);
|
|
|
|
- sg = qce_sgtable_add(&rctx->dst_tbl, req->dst);
|
|
+ sg = qce_sgtable_add(&rctx->dst_tbl, req->dst, rctx->dst_nents - 1);
|
|
if (IS_ERR(sg)) {
|
|
ret = PTR_ERR(sg);
|
|
goto error_free;
|
|
}
|
|
|
|
- sg = qce_sgtable_add(&rctx->dst_tbl, &rctx->result_sg);
|
|
+ sg = qce_sgtable_add(&rctx->dst_tbl, &rctx->result_sg, 1);
|
|
if (IS_ERR(sg)) {
|
|
ret = PTR_ERR(sg);
|
|
goto error_free;
|