Netgraph and ipfw for FreeBSD 13.0.

freebsd/netpfil/ipfw/ip_fw2.c

@@ -609,7 +609,9 @@ ipfw_send_abort(struct mbuf *replyto, struct ipfw_flow_id *id, u_int32_t vtag,
 	}
 	chunk->chunk_length = htons(sizeof(struct sctp_chunkhdr));
 
+#ifndef FSTACK /* Not support sctp now */
 	sctp->checksum = sctp_calculate_cksum(m, hlen);
+#endif
 
 	return (m);
 }
@@ -3444,7 +3446,9 @@ vnet_ipfw_init(const void *unused)
 #ifdef LINEAR_SKIPTO
 	ipfw_init_skipto_cache(chain);
 #endif
+#ifndef FSTACK /* WITHOUT_BPF */
 	ipfw_bpf_init(first);
+#endif
 
 	/* First set up some values that are compile time options */
 	V_ipfw_vnet_ready = 1;		/* Open for business */
@@ -3514,7 +3518,9 @@ vnet_ipfw_uninit(const void *unused)
 	IPFW_LOCK_DESTROY(chain);
 	ipfw_dyn_uninit(1);	/* free the remaining parts */
 	ipfw_destroy_counters();
+#ifndef FSTACK /* WITHOUT_BPF */
 	ipfw_bpf_uninit(last);
+#endif
 	return (0);
 }
 

freebsd/netpfil/ipfw/ip_fw_log.c

@@ -106,6 +106,7 @@ ipfw_log(struct ip_fw_chain *chain, struct ip_fw *f, u_int hlen,
 	char action2[92], proto[128], fragment[32];
 
 	if (V_fw_verbose == 0) {
+#ifndef FSTACK /* WITHOUT_BPF */
 		if (args->flags & IPFW_ARGS_LENMASK)
 			ipfw_bpf_tap(args->mem, IPFW_ARGS_LENGTH(args->flags));
 		else if (args->flags & IPFW_ARGS_ETHER)
@@ -126,6 +127,7 @@ ipfw_log(struct ip_fw_chain *chain, struct ip_fw *f, u_int hlen,
 				ipfw_bpf_mtap2("DDDDDDSSSSSS\xff\xff",
 				    ETHER_HDR_LEN, args->m);
 		}
+#endif
 		return;
 	}
 	/* the old 'log' function */

freebsd/sys/random.h

@@ -109,6 +109,7 @@ _Static_assert(ENTROPYSOURCE <= 32,
 
 #define RANDOM_CACHED_BOOT_ENTROPY_MODULE	"boot_entropy_cache"
 
+#ifndef FSTACK
 extern u_int hc_source_mask;
 void random_harvest_queue_(const void *, u_int, enum random_entropy_source);
 void random_harvest_fast_(const void *, u_int);
@@ -137,6 +138,11 @@ random_harvest_direct(const void *entropy, u_int size, enum random_entropy_sourc
 	if (hc_source_mask & (1 << origin))
 		random_harvest_direct_(entropy, size, origin);
 }
+#else
+#define random_harvest_queue(a, b, c) do {} while (0)
+#define random_harvest_fast(a, b, c) do {} while (0)
+#define random_harvest_direct(a, b, c) do {} while (0)
+#endif
 
 void random_harvest_register_source(enum random_entropy_source);
 void random_harvest_deregister_source(enum random_entropy_source);