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Commit 04ff1260 authored by Herbert Xu's avatar Herbert Xu
Browse files

[IPSEC]: Add compatibility algorithm name support 



This patch adds a compatibility name field for each IPsec algorithm.  This
is needed when parameterised algorithms are used.  For example, "md5" will
become "hmac(md5)", and "aes" will become "cbc(aes)".

Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent d1806f6a

include/net/xfrm.h

+1 −0
Original line number Diff line number Diff line
@@ -854,6 +854,7 @@ struct xfrm_algo_comp_info { 


struct xfrm_algo_desc {

	char *name;

	char *compat;

	u8 available:1;

	union {

		struct xfrm_algo_auth_info auth;

net/xfrm/xfrm_algo.c

+2 −1
Original line number Diff line number Diff line
@@ -359,7 +359,8 @@ static struct xfrm_algo_desc *xfrm_get_byname(struct xfrm_algo_desc *list, 
		return NULL;



	for (i = 0; i < entries; i++) {

		if (strcmp(name, list[i].name))

		if (strcmp(name, list[i].name) &&

		    (!list[i].compat || strcmp(name, list[i].compat)))

			continue;



		if (list[i].available)

net/xfrm/xfrm_user.c

+1 −0
Original line number Diff line number Diff line
@@ -213,6 +213,7 @@ static int attach_one_algo(struct xfrm_algo **algpp, u8 *props, 
		return -ENOMEM;



	memcpy(p, ualg, len);

	strcpy(p->alg_name, algo->name);

	*algpp = p;

	return 0;

}