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netdev2: introduce linklayer netstats

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This commit is contained in:
Oleg Hahm 2016-02-11 23:06:07 +01:00
parent 47e7d31841
commit 021e94ee6a
11 changed files with 86 additions and 4 deletions
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19
cpu/native/netdev2_tap/netdev2_tap.c
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@ -240,6 +240,10 @@ static int _recv(netdev2_t *netdev2, char *buf, int len, void *info)
_native_in_syscall--;
#ifdef MODULE_NETSTATS_L2
netdev2->stats.rx_count++;
netdev2->stats.rx_bytes += nread;
#endif
return nread;
}
else if (nread == -1) {
@ -262,7 +266,17 @@ static int _recv(netdev2_t *netdev2, char *buf, int len, void *info)
static int _send(netdev2_t *netdev, const struct iovec *vector, int n)
{
netdev2_tap_t *dev = (netdev2_tap_t*)netdev;
return _native_writev(dev->tap_fd, vector, n);
int res = _native_writev(dev->tap_fd, vector, n);
#ifdef MODULE_NETSTATS_L2
size_t bytes = 0;
for (int i = 0; i < n; i++) {
bytes += vector->iov_len;
vector++;
}
netdev->stats.tx_bytes += bytes;
#endif
netdev->event_callback(netdev, NETDEV2_EVENT_TX_COMPLETE, NULL);
return res;
}
void netdev2_tap_setup(netdev2_tap_t *dev, const char *name) {
@ -367,6 +381,9 @@ static int _init(netdev2_t *netdev)
err(EXIT_FAILURE, "gnrc_tabnet_init(): fcntl(F_SETFL)");
}
#endif /* not OSX */
#ifdef MODULE_NETSTATS_L2
memset(&netdev->stats, 0, sizeof(netstats_t));
#endif
DEBUG("gnrc_tapnet: initialized.\n");
return 0;
}

3
drivers/at86rf2xx/at86rf2xx.c
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@ -106,6 +106,9 @@ void at86rf2xx_reset(at86rf2xx_t *dev)
at86rf2xx_set_option(dev, AT86RF2XX_OPT_CSMA, true);
at86rf2xx_set_option(dev, AT86RF2XX_OPT_TELL_RX_START, false);
at86rf2xx_set_option(dev, AT86RF2XX_OPT_TELL_RX_END, true);
#ifdef NETSTATS
at86rf2xx_set_option(dev, AT86RF2XX_OPT_TELL_TX_END, true);
#endif
/* set default protocol */
#ifdef MODULE_GNRC_SIXLOWPAN
dev->netdev.proto = GNRC_NETTYPE_SIXLOWPAN;

11
drivers/at86rf2xx/at86rf2xx_netdev.c
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@ -21,6 +21,7 @@
* @}
*/
#include <string.h>
#include <assert.h>
#include <errno.h>
@ -87,6 +88,9 @@ static int _init(netdev2_t *netdev)
return -1;
}
#ifdef MODULE_NETSTATS_L2
memset(&netdev->stats, 0, sizeof(netstats_t));
#endif
/* reset device to default values and put it into RX state */
at86rf2xx_reset(dev);
@ -109,6 +113,9 @@ static int _send(netdev2_t *netdev, const struct iovec *vector, int count)
(unsigned)len + 2);
return -EOVERFLOW;
}
#ifdef MODULE_NETSTATS_L2
netdev->stats.tx_bytes += len;
#endif
len = at86rf2xx_tx_load(dev, ptr->iov_base, ptr->iov_len, len);
}
@ -141,6 +148,10 @@ static int _recv(netdev2_t *netdev, char *buf, int len, void *info)
at86rf2xx_fb_stop(dev);
return pkt_len;
}
#ifdef MODULE_NETSTATS_L2
netdev->stats.rx_count++;
netdev->stats.rx_bytes += pkt_len;
#endif
/* not enough space in buf */
if (pkt_len > len) {
at86rf2xx_fb_stop(dev);

11
drivers/enc28j60/enc28j60.c
View File

@ -19,6 +19,7 @@
*/
#include <errno.h>
#include <string.h>
#include "mutex.h"
#include "xtimer.h"
@ -226,6 +227,9 @@ static int nd_send(netdev2_t *netdev, const struct iovec *data, int count)
mutex_lock(&dev->devlock);
#ifdef MODULE_NETSTATS_L2
netdev->stats.tx_bytes += count;
#endif
/* set write pointer */
cmd_w_addr(dev, ADDR_WRITE_PTR, BUF_TX_START);
/* write control byte and the actual data into the buffer */
@ -262,6 +266,10 @@ static int nd_recv(netdev2_t *netdev, char *buf, int max_len, void *info)
size = (size_t)((head[3] << 8) | head[2]) - 4; /* discard CRC */
if (buf != NULL) {
#ifdef MODULE_NETSTATS_L2
netdev->stats.rx_count++;
netdev2->stats.rx_bytes += size;
#endif
/* read packet content into the supplied buffer */
if (size <= max_len) {
cmd_rbm(dev, (uint8_t *)buf, size);
@ -416,6 +424,9 @@ static void nd_isr(netdev2_t *netdev)
}
eir = cmd_rcr(dev, REG_EIR, -1);
}
#ifdef MODULE_NETSTATS_L2
memset(&netdev->stats, 0, sizeof(netstats_t));
#endif
}
static int nd_get(netdev2_t *netdev, netopt_t opt, void *value, size_t max_len)

4
drivers/include/net/netdev2.h
View File

@ -46,6 +46,7 @@ extern "C" {
#include <stdint.h>
#include <sys/uio.h>
#include "net/netstats.h"
#include "net/netopt.h"
enum {
@ -106,6 +107,9 @@ struct netdev2 {
const struct netdev2_driver *driver; /**< ptr to that driver's interface. */
netdev2_event_cb_t event_callback; /**< callback for device events */
void *isr_arg; /**< argument to pass on isr event */
#ifdef MODULE_NETSTATS_L2
netstats_t stats; /**< transceiver's statistics */
#endif
};
/**

9
drivers/netdev2_eth/netdev2_eth.c
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@ -79,6 +79,15 @@ int netdev2_eth_get(netdev2_t *dev, netopt_t opt, void *value, size_t max_len)
{
return _get_iid(dev, value, max_len);
}
#ifdef MODULE_NETSTATS_L2
case NETOPT_STATS:
{
assert(max_len >= sizeof(uintptr_t));
*((netstats_t**)value) = &dev->stats;
res = sizeof(uintptr_t);
break;
}
#endif
default:
{
res = -ENOTSUP;

2
drivers/netdev2_ieee802154/netdev2_ieee802154.c
View File

@ -148,6 +148,7 @@ int netdev2_ieee802154_get(netdev2_ieee802154_t *dev, netopt_t opt, void *value,
case NETOPT_IPV6_IID:
res = _get_iid(dev, value, max_len);
break;
#ifdef MODULE_NETSTATS_L2
case NETOPT_STATS:
if (max_len < sizeof(uintptr_t)) {
res = -EOVERFLOW;
@ -156,6 +157,7 @@ int netdev2_ieee802154_get(netdev2_ieee802154_t *dev, netopt_t opt, void *value,
*((netstats_t**)value) = &dev->netdev.stats;
res = sizeof(uintptr_t);
break;
#endif
default:
break;
}

8
sys/net/gnrc/link_layer/netdev2/gnrc_netdev2.c
View File

@ -75,6 +75,14 @@ static void _event_cb(netdev2_t *dev, netdev2_event_t event, void *data)
break;
}
#ifdef MODULE_NETSTATS_L2
case NETDEV2_EVENT_TX_MEDIUM_BUSY:
dev->stats.tx_failed++;
break;
case NETDEV2_EVENT_TX_COMPLETE:
dev->stats.tx_success++;
break;
#endif
default:
DEBUG("gnrc_netdev2: warning: unhandled event %u.\n", event);
}

9
sys/net/gnrc/link_layer/netdev2/gnrc_netdev2_eth.c
View File

@ -203,6 +203,15 @@ static int _send(gnrc_netdev2_t *gnrc_netdev2, gnrc_pktsnip_t *pkt)
struct iovec *vector = (struct iovec *)pkt->data;
vector[0].iov_base = (char*)&hdr;
vector[0].iov_len = sizeof(ethernet_hdr_t);
#ifdef MODULE_NETSTATS_L2
if ((netif_hdr->flags & GNRC_NETIF_HDR_FLAGS_BROADCAST) ||
(netif_hdr->flags & GNRC_NETIF_HDR_FLAGS_MULTICAST)) {
gnrc_netdev2->dev->stats.tx_mcast_count++;
}
else {
gnrc_netdev2->dev->stats.tx_unicast_count++;
}
#endif
res = dev->driver->send(dev, vector, n);
}

8
sys/net/gnrc/link_layer/netdev2/gnrc_netdev2_ieee802154.c
View File

@ -198,6 +198,14 @@ static int _send(gnrc_netdev2_t *gnrc_netdev2, gnrc_pktsnip_t *pkt)
vector = (struct iovec *)pkt->data;
vector[0].iov_base = mhr;
vector[0].iov_len = (size_t)res;
#ifdef MODULE_NETSTATS_L2
if (flags & IEEE802154_BCAST) {
gnrc_netdev2->dev->stats.tx_mcast_count++;
}
else {
gnrc_netdev2->dev->stats.tx_unicast_count++;
}
#endif
res = netdev->driver->send(netdev, vector, n);
}
else {

6
sys/shell/commands/sc_netif.c
View File

@ -73,7 +73,7 @@ static bool _is_iface(kernel_pid_t dev)
return false;
}
#ifdef MODULE_NETSTATS
#ifdef MODULE_NETSTATS_L2
static int _netif_stats(kernel_pid_t dev)
{
netstats_t *stats;
@ -448,7 +448,7 @@ static void _netif_list(kernel_pid_t dev)
}
#endif
#ifdef MODULE_NETSTATS
#ifdef MODULE_NETSTATS_L2
puts("");
_netif_stats(dev);
#endif
@ -987,7 +987,7 @@ int _netif_config(int argc, char **argv)
return _netif_mtu((kernel_pid_t)dev, argv[3]);
}
#ifdef MODULE_NETSTATS
#ifdef MODULE_NETSTATS_L2
else if (strcmp(argv[2], "stats") == 0) {
return _netif_stats((kernel_pid_t)dev);
}