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Diffstat (limited to 'net/xfrm/xfrm_algo.c')
-rw-r--r--net/xfrm/xfrm_algo.c109
1 files changed, 80 insertions, 29 deletions
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 8b4d6e3246e..debe733386f 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -15,9 +15,6 @@
#include <linux/crypto.h>
#include <linux/scatterlist.h>
#include <net/xfrm.h>
-#if defined(CONFIG_INET_AH) || defined(CONFIG_INET_AH_MODULE) || defined(CONFIG_INET6_AH) || defined(CONFIG_INET6_AH_MODULE)
-#include <net/ah.h>
-#endif
#if defined(CONFIG_INET_ESP) || defined(CONFIG_INET_ESP_MODULE) || defined(CONFIG_INET6_ESP) || defined(CONFIG_INET6_ESP_MODULE)
#include <net/esp.h>
#endif
@@ -38,6 +35,8 @@ static struct xfrm_algo_desc aead_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_EALG_AES_GCM_ICV8,
.sadb_alg_ivlen = 8,
@@ -54,6 +53,8 @@ static struct xfrm_algo_desc aead_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_EALG_AES_GCM_ICV12,
.sadb_alg_ivlen = 8,
@@ -70,6 +71,8 @@ static struct xfrm_algo_desc aead_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_EALG_AES_GCM_ICV16,
.sadb_alg_ivlen = 8,
@@ -86,6 +89,8 @@ static struct xfrm_algo_desc aead_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_EALG_AES_CCM_ICV8,
.sadb_alg_ivlen = 8,
@@ -102,6 +107,8 @@ static struct xfrm_algo_desc aead_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_EALG_AES_CCM_ICV12,
.sadb_alg_ivlen = 8,
@@ -118,6 +125,8 @@ static struct xfrm_algo_desc aead_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_EALG_AES_CCM_ICV16,
.sadb_alg_ivlen = 8,
@@ -134,6 +143,8 @@ static struct xfrm_algo_desc aead_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_EALG_NULL_AES_GMAC,
.sadb_alg_ivlen = 8,
@@ -154,6 +165,8 @@ static struct xfrm_algo_desc aalg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_AALG_NULL,
.sadb_alg_ivlen = 0,
@@ -172,6 +185,8 @@ static struct xfrm_algo_desc aalg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_AALG_MD5HMAC,
.sadb_alg_ivlen = 0,
@@ -190,6 +205,8 @@ static struct xfrm_algo_desc aalg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_AALG_SHA1HMAC,
.sadb_alg_ivlen = 0,
@@ -208,6 +225,8 @@ static struct xfrm_algo_desc aalg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_AALG_SHA2_256HMAC,
.sadb_alg_ivlen = 0,
@@ -225,6 +244,8 @@ static struct xfrm_algo_desc aalg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_AALG_SHA2_384HMAC,
.sadb_alg_ivlen = 0,
@@ -242,6 +263,8 @@ static struct xfrm_algo_desc aalg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_AALG_SHA2_512HMAC,
.sadb_alg_ivlen = 0,
@@ -260,6 +283,8 @@ static struct xfrm_algo_desc aalg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_AALG_RIPEMD160HMAC,
.sadb_alg_ivlen = 0,
@@ -277,6 +302,8 @@ static struct xfrm_algo_desc aalg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_AALG_AES_XCBC_MAC,
.sadb_alg_ivlen = 0,
@@ -284,6 +311,19 @@ static struct xfrm_algo_desc aalg_list[] = {
.sadb_alg_maxbits = 128
}
},
+{
+ /* rfc4494 */
+ .name = "cmac(aes)",
+
+ .uinfo = {
+ .auth = {
+ .icv_truncbits = 96,
+ .icv_fullbits = 128,
+ }
+ },
+
+ .pfkey_supported = 0,
+},
};
static struct xfrm_algo_desc ealg_list[] = {
@@ -298,6 +338,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_EALG_NULL,
.sadb_alg_ivlen = 0,
@@ -316,6 +358,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_EALG_DESCBC,
.sadb_alg_ivlen = 8,
@@ -334,6 +378,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_EALG_3DESCBC,
.sadb_alg_ivlen = 8,
@@ -352,6 +398,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_EALG_CASTCBC,
.sadb_alg_ivlen = 8,
@@ -370,6 +418,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_EALG_BLOWFISHCBC,
.sadb_alg_ivlen = 8,
@@ -388,6 +438,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_EALG_AESCBC,
.sadb_alg_ivlen = 8,
@@ -406,6 +458,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_EALG_SERPENTCBC,
.sadb_alg_ivlen = 8,
@@ -424,6 +478,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_EALG_CAMELLIACBC,
.sadb_alg_ivlen = 8,
@@ -442,6 +498,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_EALG_TWOFISHCBC,
.sadb_alg_ivlen = 8,
@@ -459,11 +517,13 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
+ .pfkey_supported = 1,
+
.desc = {
.sadb_alg_id = SADB_X_EALG_AESCTR,
.sadb_alg_ivlen = 8,
- .sadb_alg_minbits = 128,
- .sadb_alg_maxbits = 256
+ .sadb_alg_minbits = 160,
+ .sadb_alg_maxbits = 288
}
},
};
@@ -476,6 +536,7 @@ static struct xfrm_algo_desc calg_list[] = {
.threshold = 90,
}
},
+ .pfkey_supported = 1,
.desc = { .sadb_alg_id = SADB_X_CALG_DEFLATE }
},
{
@@ -485,6 +546,7 @@ static struct xfrm_algo_desc calg_list[] = {
.threshold = 90,
}
},
+ .pfkey_supported = 1,
.desc = { .sadb_alg_id = SADB_X_CALG_LZS }
},
{
@@ -494,6 +556,7 @@ static struct xfrm_algo_desc calg_list[] = {
.threshold = 50,
}
},
+ .pfkey_supported = 1,
.desc = { .sadb_alg_id = SADB_X_CALG_LZJH }
},
};
@@ -618,21 +681,21 @@ static int xfrm_alg_name_match(const struct xfrm_algo_desc *entry,
(entry->compat && !strcmp(name, entry->compat)));
}
-struct xfrm_algo_desc *xfrm_aalg_get_byname(char *name, int probe)
+struct xfrm_algo_desc *xfrm_aalg_get_byname(const char *name, int probe)
{
return xfrm_find_algo(&xfrm_aalg_list, xfrm_alg_name_match, name,
probe);
}
EXPORT_SYMBOL_GPL(xfrm_aalg_get_byname);
-struct xfrm_algo_desc *xfrm_ealg_get_byname(char *name, int probe)
+struct xfrm_algo_desc *xfrm_ealg_get_byname(const char *name, int probe)
{
return xfrm_find_algo(&xfrm_ealg_list, xfrm_alg_name_match, name,
probe);
}
EXPORT_SYMBOL_GPL(xfrm_ealg_get_byname);
-struct xfrm_algo_desc *xfrm_calg_get_byname(char *name, int probe)
+struct xfrm_algo_desc *xfrm_calg_get_byname(const char *name, int probe)
{
return xfrm_find_algo(&xfrm_calg_list, xfrm_alg_name_match, name,
probe);
@@ -654,7 +717,7 @@ static int xfrm_aead_name_match(const struct xfrm_algo_desc *entry,
!strcmp(name, entry->name);
}
-struct xfrm_algo_desc *xfrm_aead_get_byname(char *name, int icv_len, int probe)
+struct xfrm_algo_desc *xfrm_aead_get_byname(const char *name, int icv_len, int probe)
{
struct xfrm_aead_name data = {
.name = name,
@@ -703,8 +766,7 @@ void xfrm_probe_algs(void)
}
for (i = 0; i < ealg_entries(); i++) {
- status = crypto_has_blkcipher(ealg_list[i].name, 0,
- CRYPTO_ALG_ASYNC);
+ status = crypto_has_ablkcipher(ealg_list[i].name, 0, 0);
if (ealg_list[i].available != status)
ealg_list[i].available = status;
}
@@ -718,37 +780,26 @@ void xfrm_probe_algs(void)
}
EXPORT_SYMBOL_GPL(xfrm_probe_algs);
-int xfrm_count_auth_supported(void)
+int xfrm_count_pfkey_auth_supported(void)
{
int i, n;
for (i = 0, n = 0; i < aalg_entries(); i++)
- if (aalg_list[i].available)
+ if (aalg_list[i].available && aalg_list[i].pfkey_supported)
n++;
return n;
}
-EXPORT_SYMBOL_GPL(xfrm_count_auth_supported);
+EXPORT_SYMBOL_GPL(xfrm_count_pfkey_auth_supported);
-int xfrm_count_enc_supported(void)
+int xfrm_count_pfkey_enc_supported(void)
{
int i, n;
for (i = 0, n = 0; i < ealg_entries(); i++)
- if (ealg_list[i].available)
+ if (ealg_list[i].available && ealg_list[i].pfkey_supported)
n++;
return n;
}
-EXPORT_SYMBOL_GPL(xfrm_count_enc_supported);
+EXPORT_SYMBOL_GPL(xfrm_count_pfkey_enc_supported);
-#if defined(CONFIG_INET_ESP) || defined(CONFIG_INET_ESP_MODULE) || defined(CONFIG_INET6_ESP) || defined(CONFIG_INET6_ESP_MODULE)
-
-void *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len)
-{
- if (tail != skb) {
- skb->data_len += len;
- skb->len += len;
- }
- return skb_put(tail, len);
-}
-EXPORT_SYMBOL_GPL(pskb_put);
-#endif
+MODULE_LICENSE("GPL");