diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/xdp_bonding.c | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c b/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c index faa22b84f2ee..5e3a26b15ec6 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c @@ -218,9 +218,9 @@ static int send_udp_packets(int vary_dst_ip) .h_dest = BOND2_MAC, .h_proto = htons(ETH_P_IP), }; - uint8_t buf[128] = {}; - struct iphdr *iph = (struct iphdr *)(buf + sizeof(eh)); - struct udphdr *uh = (struct udphdr *)(buf + sizeof(eh) + sizeof(*iph)); + struct iphdr iph = {}; + struct udphdr uh = {}; + uint8_t buf[128]; int i, s = -1; int ifindex; @@ -232,17 +232,16 @@ static int send_udp_packets(int vary_dst_ip) if (!ASSERT_GT(ifindex, 0, "get bond1 ifindex")) goto err; - memcpy(buf, &eh, sizeof(eh)); - iph->ihl = 5; - iph->version = 4; - iph->tos = 16; - iph->id = 1; - iph->ttl = 64; - iph->protocol = IPPROTO_UDP; - iph->saddr = 1; - iph->daddr = 2; - iph->tot_len = htons(sizeof(buf) - ETH_HLEN); - iph->check = 0; + iph.ihl = 5; + iph.version = 4; + iph.tos = 16; + iph.id = 1; + iph.ttl = 64; + iph.protocol = IPPROTO_UDP; + iph.saddr = 1; + iph.daddr = 2; + iph.tot_len = htons(sizeof(buf) - ETH_HLEN); + iph.check = 0; for (i = 1; i <= NPACKETS; i++) { int n; @@ -253,10 +252,15 @@ static int send_udp_packets(int vary_dst_ip) }; /* vary the UDP destination port for even distribution with roundrobin/xor modes */ - uh->dest++; + uh.dest++; if (vary_dst_ip) - iph->daddr++; + iph.daddr++; + + /* construct a packet */ + memcpy(buf, &eh, sizeof(eh)); + memcpy(buf + sizeof(eh), &iph, sizeof(iph)); + memcpy(buf + sizeof(eh) + sizeof(iph), &uh, sizeof(uh)); n = sendto(s, buf, sizeof(buf), 0, (struct sockaddr *)&saddr_ll, sizeof(saddr_ll)); if (!ASSERT_EQ(n, sizeof(buf), "sendto")) |