Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * xfrm4_state.c

 *

 * Changes:

 *      YOSHIFUJI Hideaki @USAGI

 *              Split up af-specific portion

 *

 */

#include <net/ip.h>

#include <net/xfrm.h>

#include <linux/pfkeyv2.h>

#include <linux/ipsec.h>

static struct xfrm_state_afinfo xfrm4_state_afinfo;

static int xfrm4_init_flags(struct xfrm_state *x)

{

        if (ipv4_config.no_pmtu_disc)

                x->props.flags |= XFRM_STATE_NOPMTUDISC;

        return 0;

}

static void

__xfrm4_init_tempsel(struct xfrm_state *x, struct flowi *fl,

                     struct xfrm_tmpl *tmpl,

                     xfrm_address_t *daddr, xfrm_address_t *saddr)

{

        x->sel.daddr.a4 = fl->fl4_dst;

        x->sel.saddr.a4 = fl->fl4_src;

        x->sel.dport = xfrm_flowi_dport(fl);

        x->sel.dport_mask = htons(0xffff);

        x->sel.sport = xfrm_flowi_sport(fl);

        x->sel.sport_mask = htons(0xffff);

        x->sel.prefixlen_d = 32;

        x->sel.prefixlen_s = 32;

        x->sel.proto = fl->proto;

        x->sel.ifindex = fl->oif;

        x->id = tmpl->id;

        if (x->id.daddr.a4 == 0)

                x->id.daddr.a4 = daddr->a4;

        x->props.saddr = tmpl->saddr;

        if (x->props.saddr.a4 == 0)

                x->props.saddr.a4 = saddr->a4;

        x->props.mode = tmpl->mode;

        x->props.reqid = tmpl->reqid;

        x->props.family = AF_INET;

}

static struct xfrm_state_afinfo xfrm4_state_afinfo = {

        .family                 = AF_INET,

        .owner                  = THIS_MODULE,

        .init_flags             = xfrm4_init_flags,

        .init_tempsel           = __xfrm4_init_tempsel,

        .output                 = xfrm4_output,

};

void __init xfrm4_state_init(void)

{

        xfrm_state_register_afinfo(&xfrm4_state_afinfo);

}

#if 0

void __exit xfrm4_state_fini(void)

{

        xfrm_state_unregister_afinfo(&xfrm4_state_afinfo);

}

#endif  /*  0  */