- struct iface_stat {
- char *name;
- int offset;
- };
- static const struct iface_stat iface_stats[] = {
- { "rx_packets", offsetof(struct netdev_stats, rx_packets) },
- { "tx_packets", offsetof(struct netdev_stats, tx_packets) },
- { "rx_bytes", offsetof(struct netdev_stats, rx_bytes) },
- { "tx_bytes", offsetof(struct netdev_stats, tx_bytes) },
- { "rx_dropped", offsetof(struct netdev_stats, rx_dropped) },
- { "tx_dropped", offsetof(struct netdev_stats, tx_dropped) },
- { "rx_errors", offsetof(struct netdev_stats, rx_errors) },
- { "tx_errors", offsetof(struct netdev_stats, tx_errors) },
- { "rx_frame_err", offsetof(struct netdev_stats, rx_frame_errors) },
- { "rx_over_err", offsetof(struct netdev_stats, rx_over_errors) },
- { "rx_crc_err", offsetof(struct netdev_stats, rx_crc_errors) },
- { "collisions", offsetof(struct netdev_stats, collisions) },
- };
- enum { N_STATS = ARRAY_SIZE(iface_stats) };
- const struct iface_stat *s;
-
- char *keys[N_STATS];
- int64_t values[N_STATS];
- int n;
+#define IFACE_STATS \
+ IFACE_STAT(rx_packets, "rx_packets") \
+ IFACE_STAT(tx_packets, "tx_packets") \
+ IFACE_STAT(rx_bytes, "rx_bytes") \
+ IFACE_STAT(tx_bytes, "tx_bytes") \
+ IFACE_STAT(rx_dropped, "rx_dropped") \
+ IFACE_STAT(tx_dropped, "tx_dropped") \
+ IFACE_STAT(rx_errors, "rx_errors") \
+ IFACE_STAT(tx_errors, "tx_errors") \
+ IFACE_STAT(rx_frame_errors, "rx_frame_err") \
+ IFACE_STAT(rx_over_errors, "rx_over_err") \
+ IFACE_STAT(rx_crc_errors, "rx_crc_err") \
+ IFACE_STAT(collisions, "collisions")
+
+#define IFACE_STAT(MEMBER, NAME) NAME,
+ static char *keys[] = { IFACE_STATS };
+#undef IFACE_STAT
+ int64_t values[ARRAY_SIZE(keys)];
+ int i;