diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_tc_edt.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_tc_edt.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_tc_edt.c b/tools/testing/selftests/bpf/progs/test_tc_edt.c index 950a70b61e74..4f6f03122d61 100644 --- a/tools/testing/selftests/bpf/progs/test_tc_edt.c +++ b/tools/testing/selftests/bpf/progs/test_tc_edt.c @@ -14,7 +14,6 @@ #define TIME_HORIZON_NS (2000 * 1000 * 1000) #define NS_PER_SEC 1000000000 #define ECN_HORIZON_NS 5000000 -#define THROTTLE_RATE_BPS (5 * 1000 * 1000) /* flow_key => last_tstamp timestamp used */ struct { @@ -24,12 +23,13 @@ struct { __uint(max_entries, 1); } flow_map SEC(".maps"); +__uint64_t target_rate; + static inline int throttle_flow(struct __sk_buff *skb) { int key = 0; uint64_t *last_tstamp = bpf_map_lookup_elem(&flow_map, &key); - uint64_t delay_ns = ((uint64_t)skb->len) * NS_PER_SEC / - THROTTLE_RATE_BPS; + uint64_t delay_ns = ((uint64_t)skb->len) * NS_PER_SEC / target_rate; uint64_t now = bpf_ktime_get_ns(); uint64_t tstamp, next_tstamp = 0; @@ -70,7 +70,7 @@ static inline int handle_tcp(struct __sk_buff *skb, struct tcphdr *tcp) if ((void *)(tcp + 1) > data_end) return TC_ACT_SHOT; - if (tcp->dest == bpf_htons(9000)) + if (tcp->source == bpf_htons(9000)) return throttle_flow(skb); return TC_ACT_OK; @@ -99,7 +99,8 @@ static inline int handle_ipv4(struct __sk_buff *skb) return TC_ACT_OK; } -SEC("cls_test") int tc_prog(struct __sk_buff *skb) +SEC("tc") +int tc_prog(struct __sk_buff *skb) { if (skb->protocol == bpf_htons(ETH_P_IP)) return handle_ipv4(skb); |