Update response.c

isovalent · Sep 6, 2024 · e5a8eb6 · e5a8eb6
1 parent 81b8a9c
commit e5a8eb6
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/eBPF/response/ebpf/response.c b/eBPF/response/ebpf/response.c
@@ -4,7 +4,6 @@
 #include <bpf/bpf_endian.h>
 #include <bpf/bpf_helpers.h>
 #include <bpf/bpf_tracing.h>
-#include <string.h>
 
 #pragma pack(1)
 
@@ -102,8 +101,8 @@ static inline int swap_udp(struct __sk_buff *skb) {
       /* We'll store the mac addresses (L2) */
       __u8 src_mac[ETH_ALEN];
       __u8 dst_mac[ETH_ALEN];
-      memcpy(src_mac, eth->h_source, ETH_ALEN);
-      memcpy(dst_mac, eth->h_dest, ETH_ALEN);
+      __builtin_memcpy(src_mac, eth->h_source, ETH_ALEN);
+      __builtin_memcpy(dst_mac, eth->h_dest, ETH_ALEN);
 
       /* ip addresses (L3) */
       __be32 src_ip = iph->saddr;
@@ -161,4 +160,4 @@ SEC("tc_in")
 int tc_ingress(struct __sk_buff *skb) { return swap_udp(skb); }
 
 SEC("tc_egress")
-int tc_egress_(struct __sk_buff *skb) { return swap_udp(skb); }
+int tc_egress_(struct __sk_buff *skb) { return swap_udp(skb); }