diff options
Diffstat (limited to 'net/ipv4/ah4.c')
| -rw-r--r-- | net/ipv4/ah4.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c index ee4e578c7f20..64aec3dff8ec 100644 --- a/net/ipv4/ah4.c +++ b/net/ipv4/ah4.c @@ -1,8 +1,8 @@ // SPDX-License-Identifier: GPL-2.0-only #define pr_fmt(fmt) "IPsec: " fmt -#include <crypto/algapi.h> #include <crypto/hash.h> +#include <crypto/utils.h> #include <linux/err.h> #include <linux/module.h> #include <linux/slab.h> @@ -27,9 +27,7 @@ static void *ah_alloc_tmp(struct crypto_ahash *ahash, int nfrags, { unsigned int len; - len = size + crypto_ahash_digestsize(ahash) + - (crypto_ahash_alignmask(ahash) & - ~(crypto_tfm_ctx_alignment() - 1)); + len = size + crypto_ahash_digestsize(ahash); len = ALIGN(len, crypto_tfm_ctx_alignment()); @@ -46,10 +44,9 @@ static inline u8 *ah_tmp_auth(void *tmp, unsigned int offset) return tmp + offset; } -static inline u8 *ah_tmp_icv(struct crypto_ahash *ahash, void *tmp, - unsigned int offset) +static inline u8 *ah_tmp_icv(void *tmp, unsigned int offset) { - return PTR_ALIGN((u8 *)tmp + offset, crypto_ahash_alignmask(ahash) + 1); + return tmp + offset; } static inline struct ahash_request *ah_tmp_req(struct crypto_ahash *ahash, @@ -117,11 +114,11 @@ static int ip_clear_mutable_options(const struct iphdr *iph, __be32 *daddr) return 0; } -static void ah_output_done(struct crypto_async_request *base, int err) +static void ah_output_done(void *data, int err) { u8 *icv; struct iphdr *iph; - struct sk_buff *skb = base->data; + struct sk_buff *skb = data; struct xfrm_state *x = skb_dst(skb)->xfrm; struct ah_data *ahp = x->data; struct iphdr *top_iph = ip_hdr(skb); @@ -129,7 +126,7 @@ static void ah_output_done(struct crypto_async_request *base, int err) int ihl = ip_hdrlen(skb); iph = AH_SKB_CB(skb)->tmp; - icv = ah_tmp_icv(ahp->ahash, iph, ihl); + icv = ah_tmp_icv(iph, ihl); memcpy(ah->auth_data, icv, ahp->icv_trunc_len); top_iph->tos = iph->tos; @@ -182,7 +179,7 @@ static int ah_output(struct xfrm_state *x, struct sk_buff *skb) if (!iph) goto out; seqhi = (__be32 *)((char *)iph + ihl); - icv = ah_tmp_icv(ahash, seqhi, seqhi_len); + icv = ah_tmp_icv(seqhi, seqhi_len); req = ah_tmp_req(ahash, icv); sg = ah_req_sg(ahash, req); seqhisg = sg + nfrags; @@ -262,12 +259,12 @@ out: return err; } -static void ah_input_done(struct crypto_async_request *base, int err) +static void ah_input_done(void *data, int err) { u8 *auth_data; u8 *icv; struct iphdr *work_iph; - struct sk_buff *skb = base->data; + struct sk_buff *skb = data; struct xfrm_state *x = xfrm_input_state(skb); struct ah_data *ahp = x->data; struct ip_auth_hdr *ah = ip_auth_hdr(skb); @@ -279,7 +276,7 @@ static void ah_input_done(struct crypto_async_request *base, int err) work_iph = AH_SKB_CB(skb)->tmp; auth_data = ah_tmp_auth(work_iph, ihl); - icv = ah_tmp_icv(ahp->ahash, auth_data, ahp->icv_trunc_len); + icv = ah_tmp_icv(auth_data, ahp->icv_trunc_len); err = crypto_memneq(icv, auth_data, ahp->icv_trunc_len) ? -EBADMSG : 0; if (err) @@ -374,7 +371,7 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb) seqhi = (__be32 *)((char *)work_iph + ihl); auth_data = ah_tmp_auth(seqhi, seqhi_len); - icv = ah_tmp_icv(ahash, auth_data, ahp->icv_trunc_len); + icv = ah_tmp_icv(auth_data, ahp->icv_trunc_len); req = ah_tmp_req(ahash, icv); sg = ah_req_sg(ahash, req); seqhisg = sg + nfrags; @@ -600,5 +597,6 @@ static void __exit ah4_fini(void) module_init(ah4_init); module_exit(ah4_fini); +MODULE_DESCRIPTION("IPv4 AH transformation library"); MODULE_LICENSE("GPL"); MODULE_ALIAS_XFRM_TYPE(AF_INET, XFRM_PROTO_AH); |