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ipq806x: NSS Hardware Offloading CFI Support Patch

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ACwifidude
2021-02-26 18:16:58 -06:00
parent 91338eba3b
commit 9419c5b0d0
1 changed files with 119 additions and 0 deletions
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119
target/linux/ipq806x/patches-5.4/999-04-qca-nss-cfi-support.patch Normal file
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@@ -0,0 +1,119 @@
diff --git a/crypto/authenc.c b/crypto/authenc.c
index 3f0ed9402..17ce66bba 100644
--- a/crypto/authenc.c
+++ b/crypto/authenc.c
@@ -449,6 +449,8 @@ static int crypto_authenc_create(struct crypto_template *tmpl,
inst->alg.base.cra_flags = (auth_base->cra_flags |
enc->base.cra_flags) & CRYPTO_ALG_ASYNC;
+ inst->alg.base.cra_flags |= (auth_base->cra_flags |
+ enc->base.cra_flags) & CRYPTO_ALG_NOSUPP_SG;
inst->alg.base.cra_priority = enc->base.cra_priority * 10 +
auth_base->cra_priority;
inst->alg.base.cra_blocksize = enc->base.cra_blocksize;
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 19ea3a371..1463e824c 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -104,6 +104,11 @@
*/
#define CRYPTO_NOLOAD 0x00008000
+/*
+ * Set this flag if algorithm does not support SG list transforms
+ */
+#define CRYPTO_ALG_NOSUPP_SG 0x0000c000
+
/*
* Transform masks and values (for crt_flags).
*/
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 5c9677640..23b3a9e91 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -488,6 +488,7 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
struct ip_esp_hdr *esph;
struct crypto_aead *aead;
struct esp_info esp;
+ bool nosupp_sg;
esp.inplace = true;
@@ -499,6 +500,11 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
aead = x->data;
alen = crypto_aead_authsize(aead);
+ nosupp_sg = crypto_tfm_alg_type(&aead->base) & CRYPTO_ALG_NOSUPP_SG;
+ if (nosupp_sg && skb_linearize(skb)) {
+ return -ENOMEM;
+ }
+
esp.tfclen = 0;
if (x->tfcpad) {
struct xfrm_dst *dst = (struct xfrm_dst *)skb_dst(skb);
@@ -708,6 +714,7 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
u8 *iv;
struct scatterlist *sg;
int err = -EINVAL;
+ bool nosupp_sg;
if (!pskb_may_pull(skb, sizeof(struct ip_esp_hdr) + ivlen))
goto out;
@@ -715,6 +722,12 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
if (elen <= 0)
goto out;
+ nosupp_sg = crypto_tfm_alg_type(&aead->base) & CRYPTO_ALG_NOSUPP_SG;
+ if (nosupp_sg && skb_linearize(skb)) {
+ err = -ENOMEM;
+ goto out;
+ }
+
assoclen = sizeof(struct ip_esp_hdr);
seqhilen = 0;
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index a3b403ba8..019bea284 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -429,6 +429,7 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb)
struct ip_esp_hdr *esph;
struct crypto_aead *aead;
struct esp_info esp;
+ bool nosupp_sg;
esp.inplace = true;
@@ -440,6 +441,11 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb)
aead = x->data;
alen = crypto_aead_authsize(aead);
+ nosupp_sg = crypto_tfm_alg_type(&aead->base) & CRYPTO_ALG_NOSUPP_SG;
+ if (nosupp_sg && skb_linearize(skb)) {
+ return -ENOMEM;
+ }
+
esp.tfclen = 0;
if (x->tfcpad) {
struct xfrm_dst *dst = (struct xfrm_dst *)skb_dst(skb);
@@ -603,6 +609,7 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
__be32 *seqhi;
u8 *iv;
struct scatterlist *sg;
+ bool nosupp_sg;
if (!pskb_may_pull(skb, sizeof(struct ip_esp_hdr) + ivlen)) {
ret = -EINVAL;
@@ -614,6 +621,12 @@ static int esp6_input(struct xfrm_state *x, struct sk_buff *skb)
goto out;
}
+ nosupp_sg = crypto_tfm_alg_type(&aead->base) & CRYPTO_ALG_NOSUPP_SG;
+ if (nosupp_sg && skb_linearize(skb)) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
assoclen = sizeof(struct ip_esp_hdr);
seqhilen = 0;