Files

54 lines
1.6 KiB
C

// XCom ULTRA (XCU) - Kernel Layer Logic (eBPF/Rust)
// This is how the "Muscle" handles the 101 modules at the kernel level.
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
/**
* XCU KERNEL INTERCEPTOR (eBPF/XDP)
* Modul: [xcu.feature.ebpf]
*
* Fungsi: Mem-bypass Network Stack Linux untuk paket video QUIC.
*/
struct tenant_config {
__u32 allow_av1;
__u32 allow_moq;
__u32 active_killswitch;
};
// Map untuk menyimpan konfigurasi tenant dari IAM (diperbarui via lib/quantum-orchestrator.ts)
struct {
__uint(type, BPF_MAP_TYPE_HASH);
__uint(max_entries, 1024);
__type(key, __u32); // Tenant ID Hash
__type(value, struct tenant_config);
} tenant_matrix_map SEC(".maps");
SEC("xdp_xcu")
int xcu_ingress_handler(struct xdp_md *ctx) {
void *data_end = (void *)(long)ctx->data_end;
void *data = (void *)(long)ctx->data;
// 1. Ambil Tenant ID dari Packet Header (Custom XCU Header)
__u32 tenant_id = extract_tenant_id(data, data_end);
struct tenant_config *config = bpf_map_lookup_elem(&tenant_matrix_map, &tenant_id);
if (!config) return XDP_PASS; // Tenant tidak dikenal, gunakan jalur lambat standar.
// 2. MODUL: [xcu.security.killswitch]
if (config->active_killswitch) {
return XDP_DROP; // Paket dibuang langsung di hardware/kernel. Nol latensi, nol beban CPU aplikasi.
}
// 3. MODUL: [xcu.transport.moq]
if (config->allow_moq) {
// Alihkan paket langsung ke High-Priority Media Queue
return XDP_REDIRECT;
}
return XDP_PASS;
}
char _license[] SEC("license") = "GPL";