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tr181: ethernet: Fixes and cleanups

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- use sysfs instread of ubus and ifconfig command execution for Inteface stats.
  This reduces uneccessary memory and cpu overhead and speeds up the query time for
  IP.Interface queries by a multiple.

- move redundant code to static functions
- fix rx/tx multicast/broadcast stats can never be obtained from ifconfig
- fix invalid stats for unknownprotopackets.
- fix stats not correclty reported when counters exceed 32bit int values.

Signed-off-by: Daniel Danzberger <daniel@dd-wrt.com>
This commit is contained in:
Daniel Danzberger 2020-01-09 03:07:14 +01:00
parent 219d9b4984
commit 3e903fc731
4 changed files with 79 additions and 156 deletions
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197
dmtree/tr181/ethernet.c
View file

@ -171,6 +171,19 @@ static inline int init_eth_port(struct eth_port_args *args, struct uci_section *
/*************************************************************
* COMMON Functions
**************************************************************/
static int eth_iface_sysfs(const struct dm_args *args, const char *name, char **value)
{
char *device;
dmuci_get_value_by_section_string(args->section, "device", &device);
return get_net_device_sysfs(device, name, value);
}
static int eth_port_sysfs(const struct eth_port_args *args, const char *name, char **value)
{
return get_net_device_sysfs(args->ifname, name, value);
}
static int is_mac_exist(char *macaddr)
{
struct uci_section *s = NULL;
@ -636,12 +649,7 @@ int get_EthernetInterface_Upstream(char *refparam, struct dmctx *ctx, void *data
/*#Device.Ethernet.Interface.{i}.MACAddress!UBUS:network.device/status/name,@Name/macaddr*/
int get_EthernetInterface_MACAddress(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
json_object *res;
dmubus_call("network.device", "status", UBUS_ARGS{{"name", ((struct eth_port_args *)data)->ifname, String}}, 1, &res);
DM_ASSERT(res, *value = "");
*value = dmjson_get_value(res, 1, "macaddr");
return 0;
return eth_port_sysfs(data, "address", value);
}
/*#Device.Ethernet.Interface.{i}.MaxBitRate!UCI:ports/ethport,@i-1/speed*/
@ -769,111 +777,93 @@ int get_EthernetInterface_EEECapability(char *refparam, struct dmctx *ctx, void
return 0;
}
static inline int get_ubus_ethernet_interface_stats(char **value, char *stat_mod, void *data)
{
json_object *res;
dmubus_call("network.device", "status", UBUS_ARGS{{"name", ((struct eth_port_args *)data)->ifname, String}}, 1, &res);
DM_ASSERT(res, *value = "0");
*value = dmjson_get_value(res, 2, "statistics", stat_mod);
return 0;
}
/*#Device.Ethernet.Interface.{i}.Stats.BytesSent!UBUS:network.device/status/name,@Name/statistics.tx_bytes*/
int get_EthernetInterfaceStats_BytesSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_interface_stats(value, "tx_bytes", data);
return 0;
return eth_port_sysfs(data, "statistics/tx_bytes", value);
}
/*#Device.Ethernet.Interface.{i}.Stats.BytesReceived!UBUS:network.device/status/name,@Name/statistics.rx_bytes*/
int get_EthernetInterfaceStats_BytesReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_interface_stats(value, "rx_bytes", data);
return 0;
return eth_port_sysfs(data, "statistics/rx_bytes", value);
}
/*#Device.Ethernet.Interface.{i}.Stats.PacketsSent!UBUS:network.device/status/name,@Name/statistics.tx_packets*/
int get_EthernetInterfaceStats_PacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_interface_stats(value, "tx_packets", data);
return 0;
return eth_port_sysfs(data, "statistics/tx_packets", value);
}
/*#Device.Ethernet.Interface.{i}.Stats.PacketsReceived!UBUS:network.device/status/name,@Name/statistics.rx_packets*/
int get_EthernetInterfaceStats_PacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_interface_stats(value, "rx_packets", data);
return 0;
return eth_port_sysfs(data, "statistics/rx_packets", value);
}
/*#Device.Ethernet.Interface.{i}.Stats.ErrorsSent!UBUS:network.device/status/name,@Name/statistics.tx_errors*/
int get_EthernetInterfaceStats_ErrorsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_interface_stats(value, "tx_errors", data);
return 0;
return eth_port_sysfs(data, "statistics/tx_errors", value);
}
/*#Device.Ethernet.Interface.{i}.Stats.ErrorsReceived!UBUS:network.device/status/name,@Name/statistics.rx_errors*/
int get_EthernetInterfaceStats_ErrorsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_interface_stats(value, "rx_errors", data);
return 0;
return eth_port_sysfs(data, "statistics/rx_errors", value);
}
int get_EthernetInterfaceStats_UnicastPacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
dmasprintf(value, "%d", get_stats_from_ifconfig_command(((struct eth_port_args *)data)->ifname, "TX", "unicast"));
*value = "0";
return 0;
}
int get_EthernetInterfaceStats_UnicastPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
dmasprintf(value, "%d", get_stats_from_ifconfig_command(((struct eth_port_args *)data)->ifname, "RX", "unicast"));
*value = "0";
return 0;
}
/*#Device.Ethernet.Interface.{i}.Stats.DiscardPacketsSent!UBUS:network.device/status/name,@Name/statistics.tx_dropped*/
int get_EthernetInterfaceStats_DiscardPacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_interface_stats(value, "tx_dropped", data);
return 0;
return eth_port_sysfs(data, "statistics/tx_dropped", value);
}
/*#Device.Ethernet.Interface.{i}.Stats.DiscardPacketsReceived!UBUS:network.device/status/name,@Name/statistics.rx_dropped*/
int get_EthernetInterfaceStats_DiscardPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_interface_stats(value, "rx_dropped", data);
return 0;
return eth_port_sysfs(data, "statistics/rx_dropped", value);
}
int get_EthernetInterfaceStats_MulticastPacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
dmasprintf(value, "%d", get_stats_from_ifconfig_command(((struct eth_port_args *)data)->ifname, "TX", "multicast"));
*value = "0";
return 0;
}
int get_EthernetInterfaceStats_MulticastPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
dmasprintf(value, "%d", get_stats_from_ifconfig_command(((struct eth_port_args *)data)->ifname, "RX", "multicast"));
return 0;
return eth_port_sysfs(data, "statistics/multicast", value);
}
int get_EthernetInterfaceStats_BroadcastPacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
dmasprintf(value, "%d", get_stats_from_ifconfig_command(((struct eth_port_args *)data)->ifname, "TX", "broadcast"));
*value = "0";
return 0;
}
int get_EthernetInterfaceStats_BroadcastPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
dmasprintf(value, "%d", get_stats_from_ifconfig_command(((struct eth_port_args *)data)->ifname, "RX", "broadcast"));
*value = "0";
return 0;
}
/*#Device.Ethernet.Interface.{i}.Stats.UnknownProtoPacketsReceived!UBUS:network.device/status/name,@Name/statistics.rx_over_errors*/
int get_EthernetInterfaceStats_UnknownProtoPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_interface_stats(value, "rx_over_errors", data);
*value = "0";
return 0;
}
@ -1004,117 +994,84 @@ int get_EthernetLink_MACAddress(char *refparam, struct dmctx *ctx, void *data, c
return 0;
}
static inline int get_ubus_ethernet_link_stats(char **value, char *stat_mod, void *data)
{
char *device;
json_object *res;
dmuci_get_value_by_section_string(((struct dm_args *)data)->section, "device", &device);
dmubus_call("network.device", "status", UBUS_ARGS{{"name", device, String}}, 1, &res);
DM_ASSERT(res, *value = "0");
*value = dmjson_get_value(res, 2, "statistics", stat_mod);
return 0;
}
int get_EthernetLinkStats_BytesSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_link_stats(value, "tx_bytes", data);
return 0;
return eth_iface_sysfs(data, "statistics/tx_bytes", value);
}
int get_EthernetLinkStats_BytesReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_link_stats(value, "rx_bytes", data);
return 0;
return eth_iface_sysfs(data, "statistics/rx_bytes", value);
}
int get_EthernetLinkStats_PacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_link_stats(value, "tx_packets", data);
return 0;
return eth_iface_sysfs(data, "statistics/tx_packets", value);
}
int get_EthernetLinkStats_PacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_link_stats(value, "rx_packets", data);
return 0;
return eth_iface_sysfs(data, "statistics/rx_packets", value);
}
int get_EthernetLinkStats_ErrorsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_link_stats(value, "tx_errors", data);
return 0;
return eth_iface_sysfs(data, "statistics/tx_errors", value);
}
int get_EthernetLinkStats_ErrorsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_link_stats(value, "rx_errors", data);
return 0;
return eth_iface_sysfs(data, "statistics/rx_errors", value);
}
int get_EthernetLinkStats_UnicastPacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
char *device;
dmuci_get_value_by_section_string(((struct dm_args *)data)->section, "device", &device);
dmasprintf(value, "%d", get_stats_from_ifconfig_command(device, "TX", "unicast"));
*value = "0";
return 0;
}
int get_EthernetLinkStats_UnicastPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
char *device;
dmuci_get_value_by_section_string(((struct dm_args *)data)->section, "device", &device);
dmasprintf(value, "%d", get_stats_from_ifconfig_command(device, "RX", "unicast"));
*value = "0";
return 0;
}
int get_EthernetLinkStats_DiscardPacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_link_stats(value, "tx_dropped", data);
return 0;
return eth_iface_sysfs(data, "statistics/tx_dropped", value);
}
int get_EthernetLinkStats_DiscardPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_link_stats(value, "rx_dropped", data);
return 0;
return eth_iface_sysfs(data, "statistics/rx_dropped", value);
}
int get_EthernetLinkStats_MulticastPacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
char *device;
dmuci_get_value_by_section_string(((struct dm_args *)data)->section, "device", &device);
dmasprintf(value, "%d", get_stats_from_ifconfig_command(device, "TX", "multicast"));
*value = "0";
return 0;
}
int get_EthernetLinkStats_MulticastPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
char *device;
dmuci_get_value_by_section_string(((struct dm_args *)data)->section, "device", &device);
dmasprintf(value, "%d", get_stats_from_ifconfig_command(device, "RX", "multicast"));
return 0;
return eth_iface_sysfs(data, "statistics/multicast", value);
}
int get_EthernetLinkStats_BroadcastPacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
char *device;
dmuci_get_value_by_section_string(((struct dm_args *)data)->section, "device", &device);
dmasprintf(value, "%d", get_stats_from_ifconfig_command(device, "TX", "broadcast"));
*value = "0";
return 0;
}
int get_EthernetLinkStats_BroadcastPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
char *device;
dmuci_get_value_by_section_string(((struct dm_args *)data)->section, "device", &device);
dmasprintf(value, "%d", get_stats_from_ifconfig_command(device, "RX", "broadcast"));
*value = "0";
return 0;
}
int get_EthernetLinkStats_UnknownProtoPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_link_stats(value, "rx_over_errors", data);
*value = "0";
return 0;
}
@ -1322,138 +1279,92 @@ int set_EthernetVLANTermination_TPID(char *refparam, struct dmctx *ctx, void *da
return 0;
}
static inline int get_ubus_ethernet_vlan_termination_stats(char **value, char *stat_mod, void *data)
{
json_object *res;
char *ifname;
dmuci_get_value_by_section_string(((struct dm_args *)data)->section, "ifname", &ifname);
dmubus_call("network.device", "status", UBUS_ARGS{{"name", ifname, String}}, 1, &res);
DM_ASSERT(res, *value = "0");
*value = dmjson_get_value(res, 2, "statistics", stat_mod);
return 0;
}
/*#Device.Ethernet.VLANTermination.{i}.Stats.BytesSent!UBUS:network.device/status/name,@Name/statistics.tx_bytes*/
int get_EthernetVLANTerminationStats_BytesSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_vlan_termination_stats(value, "tx_bytes", data);
return 0;
return eth_iface_sysfs(data, "statistics/tx_bytes", value);
}
/*#Device.Ethernet.VLANTermination.{i}.Stats.BytesReceived!UBUS:network.device/status/name,@Name/statistics.rx_bytes*/
int get_EthernetVLANTerminationStats_BytesReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_vlan_termination_stats(value, "rx_bytes", data);
return 0;
return eth_iface_sysfs(data, "statistics/rx_bytes", value);
}
/*#Device.Ethernet.VLANTermination.{i}.Stats.PacketsSent!UBUS:network.device/status/name,@Name/statistics.tx_packets*/
int get_EthernetVLANTerminationStats_PacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_vlan_termination_stats(value, "tx_packets", data);
return 0;
return eth_iface_sysfs(data, "statistics/tx_packets", value);
}
/*#Device.Ethernet.VLANTermination.{i}.Stats.PacketsReceived!UBUS:network.device/status/name,@Name/statistics.rx_packets*/
int get_EthernetVLANTerminationStats_PacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_vlan_termination_stats(value, "rx_packets", data);
return 0;
return eth_iface_sysfs(data, "statistics/rx_packets", value);
}
/*#Device.Ethernet.VLANTermination.{i}.Stats.ErrorsSent!UBUS:network.device/status/name,@Name/statistics.tx_errors*/
int get_EthernetVLANTerminationStats_ErrorsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_vlan_termination_stats(value, "tx_errors", data);
return 0;
return eth_iface_sysfs(data, "statistics/tx_errors", value);
}
/*#Device.Ethernet.VLANTermination.{i}.Stats.ErrorsReceived!UBUS:network.device/status/name,@Name/statistics.rx_errors*/
int get_EthernetVLANTerminationStats_ErrorsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_vlan_termination_stats(value, "rx_errors", data);
return 0;
return eth_iface_sysfs(data, "statistics/rx_errors", value);
}
int get_EthernetVLANTerminationStats_UnicastPacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
char *ifname;
*value = "0";
dmuci_get_value_by_section_string(((struct dm_args *)data)->section, "ifname", &ifname);
if(!strstr(ifname, "atm") && !strstr(ifname, "ptm"))
dmasprintf(value, "%d", get_stats_from_ifconfig_command(ifname, "TX", "unicast"));
return 0;
}
int get_EthernetVLANTerminationStats_UnicastPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
char *ifname;
*value = "0";
dmuci_get_value_by_section_string(((struct dm_args *)data)->section, "ifname", &ifname);
if(!strstr(ifname, "atm") && !strstr(ifname, "ptm"))
dmasprintf(value, "%d", get_stats_from_ifconfig_command(ifname, "RX", "unicast"));
return 0;
}
/*#Device.Ethernet.VLANTermination.{i}.Stats.DiscardPacketsSent!UBUS:network.device/status/name,@Name/statistics.tx_dropped*/
int get_EthernetVLANTerminationStats_DiscardPacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_vlan_termination_stats(value, "tx_dropped", data);
return 0;
return eth_iface_sysfs(data, "statistics/tx_dropped", value);
}
/*#Device.Ethernet.VLANTermination.{i}.Stats.DiscardPacketsReceived!UBUS:network.device/status/name,@Name/statistics.rx_dropped*/
int get_EthernetVLANTerminationStats_DiscardPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_vlan_termination_stats(value, "rx_dropped", data);
return 0;
return eth_iface_sysfs(data, "statistics/rx_dropped", value);
}
int get_EthernetVLANTerminationStats_MulticastPacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
char *ifname;
*value = "0";
dmuci_get_value_by_section_string(((struct dm_args *)data)->section, "ifname", &ifname);
if(!strstr(ifname, "atm") && !strstr(ifname, "ptm")) {
dmasprintf(value, "%d", get_stats_from_ifconfig_command(ifname, "TX", "multicast"));
}
return 0;
}
int get_EthernetVLANTerminationStats_MulticastPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
char *ifname;
*value = "0";
dmuci_get_value_by_section_string(((struct dm_args *)data)->section, "ifname", &ifname);
if(!strstr(ifname, "atm") && !strstr(ifname, "ptm"))
dmasprintf(value, "%d", get_stats_from_ifconfig_command(ifname, "RX", "multicast"));
return 0;
return eth_iface_sysfs(data, "statistics/multicast", value);
}
int get_EthernetVLANTerminationStats_BroadcastPacketsSent(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
char *ifname;
*value = "0";
dmuci_get_value_by_section_string(((struct dm_args *)data)->section, "ifname", &ifname);
if(!strstr(ifname, "atm") && !strstr(ifname, "ptm"))
dmasprintf(value, "%d", get_stats_from_ifconfig_command(ifname, "TX", "broadcast"));
return 0;
}
int get_EthernetVLANTerminationStats_BroadcastPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
char *ifname;
*value = "0";
dmuci_get_value_by_section_string(((struct dm_args *)data)->section, "ifname", &ifname);
if(!strstr(ifname, "atm") && !strstr(ifname, "ptm"))
dmasprintf(value, "%d", get_stats_from_ifconfig_command(ifname, "RX", "broadcast"));
return 0;
}
/*#Device.Ethernet.VLANTermination.{i}.Stats.UnknownProtoPacketsReceived!UBUS:network.device/status/name,@Name/statistics.rx_over_errors*/
int get_EthernetVLANTerminationStats_UnknownProtoPacketsReceived(char *refparam, struct dmctx *ctx, void *data, char *instance, char **value)
{
get_ubus_ethernet_vlan_termination_stats(value, "rx_over_errors", data);
*value = "0";
return 0;
}

14
dmtree/tr181/ip.c
View file

@ -199,19 +199,7 @@ static inline int init_ipv6prefix_args(struct ipv6prefix_args *args, struct uci_
**************************************************************/
static int get_ip_iface_sysfs(const struct ip_args *ip, const char *name, char **value)
{
const char *device = get_device(section_name(ip->ip_sec));
if(device[0]) {
char file[256];
char val[64];
snprintf(file, sizeof(file), "/sys/class/net/%s/%s", device, name);
dm_read_sysfs_file(file, val, sizeof(val));
*value = dmstrdup(val);
} else {
*value = "0";
}
return 0;
return get_net_iface_sysfs(section_name(ip->ip_sec), name, value);
}
static char *ubus_call_get_value_with_two_objects(char *interface, char *obj1, char *obj2, char *key)

22
libbbf_api/dmcommon.c
View file

@ -1662,3 +1662,25 @@ out:
close(fd);
return rc;
}
int get_net_device_sysfs(const char *device, const char *name, char **value)
{
if (device && device[0]) {
char file[256];
char val[64];
snprintf(file, sizeof(file), "/sys/class/net/%s/%s", device, name);
dm_read_sysfs_file(file, val, sizeof(val));
*value = dmstrdup(val);
} else {
*value = "0";
}
return 0;
}
int get_net_iface_sysfs(const char *uci_iface, const char *name, char **value)
{
const char *device = get_device((char *)uci_iface);
return get_net_device_sysfs(device, name, value);
}

2
libbbf_api/dmcommon.h
View file

@ -258,4 +258,6 @@ int isfolderexist(char *folderpath);
bool match(const char *string, const char *pattern);
char * dmmap_file_path_get(const char *dmmap_package);
int dm_read_sysfs_file(const char *file, char *dst, unsigned len);
int get_net_iface_sysfs(const char *uci_iface, const char *name, char **value);
int get_net_device_sysfs(const char *uci_iface, const char *name, char **value);
#endif