X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Fbpf%2Ft3.c;h=9ba34638a17f7ea671e3c826f5b2749142a2586e;hb=refs%2Ftags%2Fupstream%2F18.11-rc3;hp=531b9cb8c4e115159c7855ae41e0391e77cd26e5;hpb=88fab00d4402af240c1b7cc2566133aece115488;p=deb_dpdk.git

diff --git a/test/bpf/t3.c b/test/bpf/t3.c
index 531b9cb8..9ba34638 100644
--- a/test/bpf/t3.c
+++ b/test/bpf/t3.c
@@ -6,9 +6,15 @@
  * eBPF program sample.
  * Accepts pointer to struct rte_mbuf as an input parameter.
  * Dump the mbuf into stdout if it is an ARP packet (aka tcpdump 'arp').
- * To compile:
- * clang -O2 -I${RTE_SDK}/${RTE_TARGET}/include \
+ *
+ * To compile on x86:
+ * clang -O2 -U __GNUC__ -I${RTE_SDK}/${RTE_TARGET}/include \
  * -target bpf -Wno-int-to-void-pointer-cast -c t3.c
+ *
+ * To compile on ARM:
+ * clang -O2 -I/usr/include/aarch64-linux-gnu \
+ * -I${RTE_SDK}/${RTE_TARGET}/include -target bpf \
+ * -Wno-int-to-void-pointer-cast -c t3.c
  */
 
 #include <stdint.h>
@@ -17,6 +23,7 @@
 #include <net/ethernet.h>
 #include <rte_config.h>
 #include "mbuf.h"
+#include <arpa/inet.h>
 
 extern void rte_pktmbuf_dump(FILE *, const struct rte_mbuf *, unsigned int);
 
@@ -29,7 +36,7 @@ entry(const void *pkt)
 	mb = pkt;
 	eth = rte_pktmbuf_mtod(mb, const struct ether_header *);
 
-	if (eth->ether_type == __builtin_bswap16(ETHERTYPE_ARP))
+	if (eth->ether_type == htons(ETHERTYPE_ARP))
 		rte_pktmbuf_dump(stdout, mb, 64);
 
 	return 1;