- v6persrcratelimits.append((high_byte + 1) * 1024)
- first_action += f"struct percpu_ratelimit *rate = bpf_map_lookup_elem(rate_map, &srcip);\n"
- first_action += "if (rate) {\n"
- first_action += f"\t{spin_lock}\n"
- first_action += f"\tif (likely({accessor} > 0))" + " {\n"
- first_action += "\t\tint64_t diff = time - rate->sent_time;\n"
- # Unlikely or not, if the flow is slow, take a perf hit (though with the else if branch it doesn't matter)
- first_action += "\t\tif (unlikely(diff > 1000000000))\n"
- first_action += f"\t\t\t{accessor} = 0;\n"
- first_action += "\t\telse if (likely(diff > 0))\n"
- first_action += f"\t\t\tallowed_since_last = ((uint64_t)diff) * {math.floor(value)} / 1000000000;\n"
- first_action += "\t}\n"
- first_action += f"\tif ({accessor} - ((int64_t)allowed_since_last) <= 0)" + " {\n"
- if ty == "0x8006" or ty == "0x8306":
- first_action += f"\t\t{accessor} = data_end - pktdata;\n"
- else:
- first_action += f"\t\t{accessor} = 1;\n"
- first_action += "\t\trate->sent_time = time;\n"
- first_action += f"\t\t{spin_unlock}\n"
- first_action += "\t} else {\n"
- first_action += f"\t\t{spin_unlock}\n"
- first_action += "\t\t{stats_replace}\n"
- first_action += "\t\treturn XDP_DROP;\n"
- first_action += "\t}\n"
- if ty == "0x8306" or ty == "0x830c":
- first_action += "} else {\n"
- first_action += "\tstruct percpu_ratelimit new_rate = { .sent_time = time, };\n"
- first_action += "\trate = &new_rate;\n"
- if ty == "0x8006" or ty == "0x8306":
- first_action += f"\t\t{accessor} = data_end - pktdata;\n"
- else:
- first_action += f"\t\t{accessor} = 1;\n"
- first_action += "\tbpf_map_update_elem(rate_map, &srcip, rate, BPF_ANY);\n"
+ first_action += f"int matched = check_v6_persrc_ratelimit(srcip, rate_map, {(high_byte + 1) * 4096}, time_masked, amt, per_pkt_ns);\n"
+ v6persrcratelimits.append((high_byte + 1) * 4096)
+ first_action += "if (matched) {\n"
+ first_action += "\t{stats_replace}\n"
+ first_action += "\treturn XDP_DROP;\n"