Speed socket (#346)

includes/netdata_socket.h

@@ -29,12 +29,12 @@ typedef struct netdata_socket {
         __u64 tcp_bytes_received;
         __u32 close;        //It is never used with UDP
         __u32 retransmit;   //It is never used with UDP
-        __u32 ipv4_connect;
-        __u32 ipv6_connect;
+        __u32 ipv4_connect; // Use to count new connections
+        __u32 ipv6_connect; // Use to count new connections
     } tcp;
     // Number of calls
     struct {
-        __u32 call_udp_sent;
+        __u32 call_udp_sent; // Use to count new connections
         __u32 call_udp_received;
         __u64 udp_bytes_sent;
         __u64 udp_bytes_received;
@@ -59,7 +59,7 @@ typedef struct netdata_bandwidth {
 // Index used together previous structure
 typedef struct netdata_socket_idx {
     union netdata_ip saddr;
-    __u16 sport;
+    //__u16 sport;
     union netdata_ip daddr;
     __u16 dport;
     __u32 pid;

kernel/socket_kern.c

@@ -144,11 +144,12 @@ static __always_inline __u16 set_idx_value(netdata_socket_idx_t *nsi, struct ine
 
     //Read destination port
     bpf_probe_read(&nsi->dport, sizeof(u16), &is->inet_dport);
-    bpf_probe_read(&nsi->sport, sizeof(u16), &is->inet_num);
+ //   bpf_probe_read(&nsi->sport, sizeof(u16), &is->inet_num);
 
     // Socket for nowhere or system looking for port
     // This can be an attack vector that needs to be addressed in another opportunity
-    if (nsi->sport == 0 || nsi->dport == 0)
+    //if (nsi->sport == 0 || nsi->dport == 0)
+    if (nsi->dport == 0)
         return AF_UNSPEC;