From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 12 Jun 2006 20:42:11 +0000 (+0000)
Subject: madwifi: remove the hard dependency on kernel aes support - only needed for software... 
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e29845fcb8c0f9b1246b1b17e1c54d916f4014e1;p=openwrt%2Fstaging%2Frobimarko.git

madwifi: remove the hard dependency on kernel aes support - only needed for software crypto

SVN-Revision: 3934
---

diff --git a/openwrt/package/madwifi/patches/105-no_forced_aes_dep.patch b/openwrt/package/madwifi/patches/105-no_forced_aes_dep.patch
new file mode 100644
index 0000000000..fa439c6e96
--- /dev/null
+++ b/openwrt/package/madwifi/patches/105-no_forced_aes_dep.patch
@@ -0,0 +1,39 @@
+diff -urN madwifi.old/net80211/ieee80211_crypto_ccmp.c madwifi.dev/net80211/ieee80211_crypto_ccmp.c
+--- madwifi.old/net80211/ieee80211_crypto_ccmp.c	2006-02-06 21:20:57.000000000 +0100
++++ madwifi.dev/net80211/ieee80211_crypto_ccmp.c	2006-06-12 22:29:23.000000000 +0200
+@@ -105,12 +105,6 @@
+ 
+ 	ctx->cc_vap = vap;
+ 	ctx->cc_ic = vap->iv_ic;
+-	ctx->cc_tfm = crypto_alloc_tfm("aes", 0);
+-	if (ctx->cc_tfm == NULL) {
+-		FREE(ctx, M_DEVBUF);
+-		_MOD_DEC_USE(THIS_MODULE);
+-		return NULL;
+-	}
+ 	return ctx;
+ }
+ 
+@@ -137,8 +131,21 @@
+ 			__func__, k->wk_keylen, 128 / NBBY);
+ 		return 0;
+ 	}
+-	if (k->wk_flags & IEEE80211_KEY_SWCRYPT)
++
++	if (k->wk_flags & IEEE80211_KEY_SWCRYPT) {
++		if (ctx->cc_tfm == NULL)
++			ctx->cc_tfm = crypto_alloc_tfm("aes", 0);
++
++		if (ctx->cc_tfm == NULL) {
++			IEEE80211_DPRINTF(ctx->cc_vap, IEEE80211_MSG_CRYPTO,
++				"%s: Tried to add a software crypto key, but no software crypto available\n",
++				__func__);
++		
++			return 0;
++		}
++
+ 		crypto_cipher_setkey(ctx->cc_tfm, k->wk_key, k->wk_keylen);
++	}
+ 	return 1;
+ }
+