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net: Add statistics gathering support

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Collect network statistics if CONFIG_NET_STATISTICS is
defined.

Change-Id: Id217daa3e19142c95396dc391ba2dc4123b18b22
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2016-05-09 17:39:09 +03:00
commit 875ea297d4
2 changed files with 84 additions and 0 deletions
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7
net/yaip/Kconfig
View file

@ -116,3 +116,10 @@ config NET_SLIP
to receive and send network packets via the SLIP driver.
The SLIP driver Kconfig options can be tweaked in drivers
section.
config NET_STATISTICS
bool "Print network statistics"
default n
help
Print network send/receive statistics to console.
This takes memory so say 'n' if unsure.

77
net/yaip/net_core.c
View file

@ -37,6 +37,7 @@
#include <net/net_if.h>
#include <net/nbuf.h>
#include <net/net_core.h>
#include <net/net_stats.h>
#include "net_private.h"
@ -49,6 +50,80 @@ static char __noinit __stack rx_fiber_stack[CONFIG_NET_RX_STACK_SIZE];
static struct nano_fifo rx_queue;
static nano_thread_id_t rx_fiber_id;
#if defined(CONFIG_NET_STATISTICS)
#define PRINT_STAT(fmt, ...) printk(fmt, ##__VA_ARGS__)
struct net_stats net_stats;
#define GET_STAT(s) net_stats.s
#define PRINT_STATISTICS_INTERVAL (30 * sys_clock_ticks_per_sec)
#define net_print_statistics stats /* to make the debug print line shorter */
static inline void stats(void)
{
static uint32_t next_print;
uint32_t curr = sys_tick_get_32();
if (!next_print || (next_print < curr &&
(!((curr - next_print) > PRINT_STATISTICS_INTERVAL)))) {
uint32_t new_print;
#if defined(CONFIG_NET_IPV6)
PRINT_STAT("IPv6 recv %d\tsent\t%d\tdrop\t%d\tforwarded\t%d\n",
GET_STAT(ipv6.recv),
GET_STAT(ipv6.sent),
GET_STAT(ipv6.drop),
GET_STAT(ipv6.forwarded));
#endif /* CONFIG_NET_IPV6 */
#if defined(CONFIG_NET_IPV4)
PRINT_STAT("IPv4 recv %d\tsent\t%d\tdrop\t%d\tforwarded\t%d\n",
GET_STAT(ipv4.recv),
GET_STAT(ipv4.sent),
GET_STAT(ipv4.drop),
GET_STAT(ipv4.forwarded));
#endif /* CONFIG_NET_IPV6 */
PRINT_STAT("IP vhlerr %d\thblener\t%d\tlblener\t%d\n",
GET_STAT(ip_errors.vhlerr),
GET_STAT(ip_errors.hblenerr),
GET_STAT(ip_errors.lblenerr));
PRINT_STAT("IP fragerr %d\tchkerr\t%d\tprotoer\t%d\n",
GET_STAT(ip_errors.fragerr),
GET_STAT(ip_errors.chkerr),
GET_STAT(ip_errors.protoerr));
PRINT_STAT("ICMP recv %d\tsent\t%d\tdrop\t%d\n",
GET_STAT(icmp.recv),
GET_STAT(icmp.sent),
GET_STAT(icmp.drop));
PRINT_STAT("ICMP typeer %d\tchkerr\t%d\n",
GET_STAT(icmp.typeerr),
GET_STAT(icmp.chkerr));
#if defined(CONFIG_NET_UDP)
PRINT_STAT("UDP recv %d\tsent\t%d\tdrop\t%d\n",
GET_STAT(udp.recv),
GET_STAT(udp.sent),
GET_STAT(udp.drop));
PRINT_STAT("UDP chkerr %d\n",
GET_STAT(icmp.chkerr));
#endif
PRINT_STAT("Processing err %d\n", GET_STAT(processing_error));
new_print = curr + PRINT_STATISTICS_INTERVAL;
if (new_print > curr) {
next_print = new_print;
} else {
/* Overflow */
next_print = PRINT_STATISTICS_INTERVAL -
(0xffffffff - curr);
}
}
}
#else /* CONFIG_NET_STATISTICS */
#define net_print_statistics()
#endif /* CONFIG_NET_STATISTICS */
static inline enum net_verdict process_data(struct net_buf *buf)
{
return NET_DROP;
@ -80,6 +155,8 @@ static void net_rx_fiber(int unused1, int unused2)
net_nbuf_unref(buf);
break;
}
net_print_statistics();
}
}