---

yaml --- r: 9833 b: refs/heads/master c: d4875b0 h: refs/heads/master i: 9831: ea427c2 v: v3
git-mirror · Oct 11, 2005 · b88fa78 · b88fa78
1 parent 65e392a
commit b88fa78
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Showing 3 changed files with 8 additions and 7 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a02a64223eddb410712b015fb3342c9a316ab70b
+refs/heads/master: d4875b049b2e6401a6e1fae90b7f09e20a636fcf
diff --git a/trunk/net/ipv4/esp4.c b/trunk/net/ipv4/esp4.c
@@ -144,7 +144,7 @@ static int esp_input(struct xfrm_state *x, struct xfrm_decap_state *decap, struc
 	struct ip_esp_hdr *esph;
 	struct esp_data *esp = x->data;
 	struct sk_buff *trailer;
-	int blksize = crypto_tfm_alg_blocksize(esp->conf.tfm);
+	int blksize = ALIGN(crypto_tfm_alg_blocksize(esp->conf.tfm), 4);
 	int alen = esp->auth.icv_trunc_len;
 	int elen = skb->len - sizeof(struct ip_esp_hdr) - esp->conf.ivlen - alen;
 	int nfrags;
@@ -305,13 +305,13 @@ static int esp_post_input(struct xfrm_state *x, struct xfrm_decap_state *decap,
 static u32 esp4_get_max_size(struct xfrm_state *x, int mtu)
 {
 	struct esp_data *esp = x->data;
-	u32 blksize = crypto_tfm_alg_blocksize(esp->conf.tfm);
+	u32 blksize = ALIGN(crypto_tfm_alg_blocksize(esp->conf.tfm), 4);
 
 	if (x->props.mode) {
 		mtu = ALIGN(mtu + 2, blksize);
 	} else {
 		/* The worst case. */
-		mtu += 2 + blksize;
+		mtu = ALIGN(mtu + 2, 4) + blksize - 4;
 	}
 	if (esp->conf.padlen)
 		mtu = ALIGN(mtu, esp->conf.padlen);

diff --git a/trunk/net/ipv6/esp6.c b/trunk/net/ipv6/esp6.c
@@ -134,7 +134,7 @@ static int esp6_input(struct xfrm_state *x, struct xfrm_decap_state *decap, stru
 	struct ipv6_esp_hdr *esph;
 	struct esp_data *esp = x->data;
 	struct sk_buff *trailer;
-	int blksize = crypto_tfm_alg_blocksize(esp->conf.tfm);
+	int blksize = ALIGN(crypto_tfm_alg_blocksize(esp->conf.tfm), 4);
 	int alen = esp->auth.icv_trunc_len;
 	int elen = skb->len - sizeof(struct ipv6_esp_hdr) - esp->conf.ivlen - alen;
 
@@ -236,13 +236,14 @@ static int esp6_input(struct xfrm_state *x, struct xfrm_decap_state *decap, stru
 static u32 esp6_get_max_size(struct xfrm_state *x, int mtu)
 {
 	struct esp_data *esp = x->data;
-	u32 blksize = crypto_tfm_alg_blocksize(esp->conf.tfm);
+	u32 blksize = ALIGN(crypto_tfm_alg_blocksize(esp->conf.tfm), 4);
 
 	if (x->props.mode) {
 		mtu = ALIGN(mtu + 2, blksize);
 	} else {
 		/* The worst case. */
-		mtu += 2 + blksize;
+		u32 padsize = ((blksize - 1) & 7) + 1;
+		mtu = ALIGN(mtu + 2, padsize) + blksize - padsize;
 	}
 	if (esp->conf.padlen)
 		mtu = ALIGN(mtu, esp->conf.padlen);