make madwifi buildable without CONFIG_CRYPTO

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15662 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/madwifi/patches/123-ccmp_checks.patch

@@ -1,6 +1,65 @@
 --- a/net80211/ieee80211_crypto_ccmp.c
 +++ b/net80211/ieee80211_crypto_ccmp.c
-@@ -475,6 +475,9 @@ ccmp_encrypt(struct ieee80211_key *key, 
+@@ -115,6 +115,7 @@ ccmp_attach(struct ieee80211vap *vap, st
+ /* This function (crypto_alloc_foo might sleep. Therefore:
+  * Context: process
+  */
++#ifdef CONFIG_CRYPTO
+ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
+ 	ctx->cc_tfm = crypto_alloc_tfm("aes", 0);
+ #else
+@@ -123,7 +124,8 @@ ccmp_attach(struct ieee80211vap *vap, st
+ 	if (IS_ERR(ctx->cc_tfm))
+ 		ctx->cc_tfm = NULL;
+ #endif
+-	
++#endif
++
+ 	if (ctx->cc_tfm == NULL) {
+ 		IEEE80211_DPRINTF(vap, IEEE80211_MSG_CRYPTO,
+ 				"%s: unable to load kernel AES crypto support\n",
+@@ -138,12 +140,14 @@ ccmp_detach(struct ieee80211_key *k)
+ {
+ 	struct ccmp_ctx *ctx = k->wk_private;
+ 
++#ifdef CONFIG_CRYPTO
+ 	if (ctx->cc_tfm != NULL)
+ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
+ 		crypto_free_tfm(ctx->cc_tfm);
+ #else
+ 		crypto_free_cipher(ctx->cc_tfm);
+ #endif
++#endif
+ 	FREE(ctx, M_DEVBUF);
+ 
+ 	_MOD_DEC_USE(THIS_MODULE);
+@@ -169,7 +173,9 @@ ccmp_setkey(struct ieee80211_key *k)
+ 			return 0;
+ 		}
+ 
++#ifdef CONFIG_CRYPTO
+ 		crypto_cipher_setkey(ctx->cc_tfm, k->wk_key, k->wk_keylen);
++#endif
+ 	}
+ 
+ 	return 1;
+@@ -324,6 +330,7 @@ xor_block(u8 *b, const u8 *a, size_t len
+ static void
+ rijndael_encrypt(struct crypto_cipher *tfm, const void *src, void *dst)
+ {
++#ifdef CONFIG_CRYPTO
+ #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
+ 	crypto_cipher_encrypt_one(tfm, dst, src);
+ #else
+@@ -339,6 +346,7 @@ rijndael_encrypt(struct crypto_cipher *t
+ 	sg_dst.length = AES_BLOCK_LEN;
+ 	crypto_cipher_encrypt(tfm, &sg_dst, &sg_src, AES_BLOCK_LEN);
+ #endif
++#endif
+ }
+ 
+ /*
+@@ -475,6 +483,9 @@ ccmp_encrypt(struct ieee80211_key *key, 
  	uint8_t *mic, *pos;
  	u_int space;
  
@@ -10,7 +69,7 @@
  	ctx->cc_vap->iv_stats.is_crypto_ccmp++;
  
  	skb = skb0;
-@@ -589,6 +592,9 @@ ccmp_decrypt(struct ieee80211_key *key, 
+@@ -589,6 +600,9 @@ ccmp_decrypt(struct ieee80211_key *key, 
  	uint8_t *pos, *mic;
  	u_int space;
  
@@ -20,3 +79,17 @@
  	ctx->cc_vap->iv_stats.is_crypto_ccmp++;
  
  	skb = skb0;
+--- a/Makefile
++++ b/Makefile
+@@ -192,11 +192,4 @@ endif
+ 	    exit 1; \
+ 	fi
+ 	
+-	@# check crypto support is enabled
+-	@if [ -z "$(CONFIG_CRYPTO)" ]; then \
+-	    echo "FAILED"; \
+-	    echo "Please enable crypto API."; \
+-	    exit 1; \
+-	fi
+-	
+ 	@echo "ok."