xfrm_calg_get_byid 1467 include/net/xfrm.h extern struct xfrm_algo_desc *xfrm_calg_get_byid(int alg_id);
xfrm_calg_get_byid 1192 net/key/af_key.c 			struct xfrm_algo_desc *a = xfrm_calg_get_byid(sa->sadb_sa_encrypt);