Update ebpf socket (#250)

includes/netdata_ebpf.h

@@ -19,8 +19,8 @@ This header has the common definitions for all `.c` files.
 #include "netdata_fs.h"
 #include "netdata_hardirq.h"
 #include "netdata_mount.h"
-#include "netdata_network.h"
 #include "netdata_process.h"
+#include "netdata_socket.h"
 #include "netdata_sync.h"
 #include "netdata_swap.h"
 #include "netdata_vfs.h"

includes/netdata_socket.h

@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef _NETDATA_NETWORK_H_
+#define _NETDATA_NETWORK_H_ 1
+
+#include <linux/sched.h>
+
+/**
+ * Union used to store ip addresses
+ */
+union netdata_ip {
+    __u8 addr8[16];
+    __u16 addr16[8];
+    __u32 addr32[4];
+    __u64 addr64[2];
+};
+
+typedef struct netdata_socket {
+    __u64 recv_packets;
+    __u64 sent_packets;
+    __u64 recv_bytes;
+    __u64 sent_bytes;
+    __u64 first; //First timestamp
+    __u64 ct;   //Current timestamp
+    __u16 retransmit; //It is never used with UDP
+    __u8 protocol;
+    __u8 removeme;
+    __u32 reserved;
+} netdata_socket_t;
+
+typedef struct netdata_bandwidth {
+    __u32 pid;
+
+    __u64 first;
+    __u64 ct;
+    __u64 bytes_sent;
+    __u64 bytes_received;
+    __u64 call_tcp_sent;
+    __u64 call_tcp_received;
+    __u64 retransmit;
+    __u64 call_udp_sent;
+    __u64 call_udp_received;
+} netdata_bandwidth_t;
+
+// Index used together previous structure
+typedef struct netdata_socket_idx {
+    union netdata_ip saddr;
+    __u16 sport;
+    union netdata_ip daddr;
+    __u16 dport;
+} netdata_socket_idx_t;
+
+enum socket_counters {
+    NETDATA_KEY_CALLS_TCP_SENDMSG,
+    NETDATA_KEY_ERROR_TCP_SENDMSG,
+    NETDATA_KEY_BYTES_TCP_SENDMSG,
+
+    NETDATA_KEY_CALLS_TCP_CLEANUP_RBUF,
+    NETDATA_KEY_ERROR_TCP_CLEANUP_RBUF,
+    NETDATA_KEY_BYTES_TCP_CLEANUP_RBUF,
+
+    NETDATA_KEY_CALLS_TCP_CLOSE,
+
+    NETDATA_KEY_CALLS_UDP_RECVMSG,
+    NETDATA_KEY_ERROR_UDP_RECVMSG,
+    NETDATA_KEY_BYTES_UDP_RECVMSG,
+
+    NETDATA_KEY_CALLS_UDP_SENDMSG,
+    NETDATA_KEY_ERROR_UDP_SENDMSG,
+    NETDATA_KEY_BYTES_UDP_SENDMSG,
+
+    NETDATA_KEY_TCP_RETRANSMIT,
+
+    // Keep this as last and don't skip numbers as it is used as element counter
+    NETDATA_SOCKET_COUNTER
+};
+
+#endif /* _NETDATA_NETWORK_H_ */