xfrm6_tunnel_free_spi 1393 include/net/xfrm.h extern void xfrm6_tunnel_free_spi(xfrm_address_t *saddr); xfrm6_tunnel_free_spi 320 net/ipv6/xfrm6_tunnel.c xfrm6_tunnel_free_spi((xfrm_address_t *)&x->props.saddr);