/* * 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, .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 */