change_vector: Modify index for socket

netdata · Aug 12, 2023 · 002e66f · 002e66f
1 parent 3d73318
commit 002e66f
Showing 1 changed file with 9 additions and 5 deletions.
diff --git a/src/socket.bpf.c b/src/socket.bpf.c
@@ -72,19 +72,23 @@ static __always_inline short unsigned int set_idx_value(netdata_socket_idx_t *ns
     BPF_CORE_READ_INTO(&family, is, sk.__sk_common.skc_family);
     // Read source and destination IPs
     if ( family == AF_INET ) { //AF_INET
-        BPF_CORE_READ_INTO(&nsi->saddr.addr32, is, sk.__sk_common.skc_rcv_saddr );
-        BPF_CORE_READ_INTO(&nsi->daddr.addr32, is, sk.__sk_common.skc_daddr );
+        BPF_CORE_READ_INTO(&nsi->saddr.addr32[0], is, sk.__sk_common.skc_rcv_saddr );
+        BPF_CORE_READ_INTO(&nsi->daddr.addr32[0], is, sk.__sk_common.skc_daddr );
 
         if ((nsi->saddr.addr32[0] == 0 || nsi->daddr.addr32[0] == 0) || // Zero addr
-           nsi->saddr.addr64[0] == 16777343) // Loopback
+           nsi->saddr.addr32[0] == 16777343 || nsi->daddr.addr32[0] == 16777343) // Loopback
             return AF_UNSPEC;
     } else if ( family == AF_INET6 ) {
 #if defined(NETDATA_CONFIG_IPV6)
         BPF_CORE_READ_INTO(&nsi->saddr.addr8, is, sk.__sk_common.skc_v6_rcv_saddr.in6_u.u6_addr8 );
         BPF_CORE_READ_INTO(&nsi->daddr.addr8, is, sk.__sk_common.skc_v6_daddr.in6_u.u6_addr8 );
 
-        if ( ((!nsi->saddr.addr64[0]) && (!nsi->saddr.addr64[1])) || ((!nsi->daddr.addr64[0]) && (!nsi->daddr.addr64[1])) || // Zero addr
-             ((nsi->saddr.addr64[0] == 0) && (nsi->saddr.addr64[1] == 72057594037927936))) // Loopback
+        if (((nsi->saddr.addr64[0] == 0) && (nsi->saddr.addr64[1] == 72057594037927936)) ||  // Loopback
+            ((nsi->daddr.addr64[0] == 0) && (nsi->daddr.addr64[1] == 72057594037927936)))
+            return AF_UNSPEC;
+
+        if (((nsi->saddr.addr64[0] == 0) && (nsi->saddr.addr64[1] == 0)) ||
+            ((nsi->daddr.addr64[0] == 0) && (nsi->daddr.addr64[1] == 0))) // Zero addr
             return AF_UNSPEC;
 #endif
     } else {