diff options
Diffstat (limited to 'samples/bpf/xdp2_kern.c')
| -rw-r--r-- | samples/bpf/xdp2_kern.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/samples/bpf/xdp2_kern.c b/samples/bpf/xdp2_kern.c index 38fe7e1..e012888 100644 --- a/samples/bpf/xdp2_kern.c +++ b/samples/bpf/xdp2_kern.c @@ -14,7 +14,7 @@ #include <linux/ipv6.h> #include "bpf_helpers.h" -struct bpf_map_def SEC("maps") dropcnt = { +struct bpf_map_def SEC("maps") rxcnt = { .type = BPF_MAP_TYPE_PERCPU_ARRAY, .key_size = sizeof(u32), .value_size = sizeof(long), @@ -65,7 +65,7 @@ int xdp_prog1(struct xdp_md *ctx) long *value; u16 h_proto; u64 nh_off; - u32 index; + u32 ipproto; nh_off = sizeof(*eth); if (data + nh_off > data_end) @@ -93,17 +93,17 @@ int xdp_prog1(struct xdp_md *ctx) } if (h_proto == htons(ETH_P_IP)) - index = parse_ipv4(data, nh_off, data_end); + ipproto = parse_ipv4(data, nh_off, data_end); else if (h_proto == htons(ETH_P_IPV6)) - index = parse_ipv6(data, nh_off, data_end); + ipproto = parse_ipv6(data, nh_off, data_end); else - index = 0; + ipproto = 0; - value = bpf_map_lookup_elem(&dropcnt, &index); + value = bpf_map_lookup_elem(&rxcnt, &ipproto); if (value) *value += 1; - if (index == 17) { + if (ipproto == IPPROTO_UDP) { swap_src_dst_mac(data); rc = XDP_TX; } |
