diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/s390/appldata/appldata_net_sum.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/s390/appldata/appldata_net_sum.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/ANDROID_3.4.5/arch/s390/appldata/appldata_net_sum.c b/ANDROID_3.4.5/arch/s390/appldata/appldata_net_sum.c deleted file mode 100644 index 5da7c562..00000000 --- a/ANDROID_3.4.5/arch/s390/appldata/appldata_net_sum.c +++ /dev/null @@ -1,158 +0,0 @@ -/* - * arch/s390/appldata/appldata_net_sum.c - * - * Data gathering module for Linux-VM Monitor Stream, Stage 1. - * Collects accumulated network statistics (Packets received/transmitted, - * dropped, errors, ...). - * - * Copyright (C) 2003,2006 IBM Corporation, IBM Deutschland Entwicklung GmbH. - * - * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com> - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/kernel_stat.h> -#include <linux/netdevice.h> -#include <net/net_namespace.h> - -#include "appldata.h" - - -/* - * Network data - * - * This is accessed as binary data by z/VM. If changes to it can't be avoided, - * the structure version (product ID, see appldata_base.c) needs to be changed - * as well and all documentation and z/VM applications using it must be updated. - * - * The record layout is documented in the Linux for zSeries Device Drivers - * book: - * http://oss.software.ibm.com/developerworks/opensource/linux390/index.shtml - */ -static struct appldata_net_sum_data { - u64 timestamp; - u32 sync_count_1; /* after VM collected the record data, */ - u32 sync_count_2; /* sync_count_1 and sync_count_2 should be the - same. If not, the record has been updated on - the Linux side while VM was collecting the - (possibly corrupt) data */ - - u32 nr_interfaces; /* nr. of network interfaces being monitored */ - - u32 padding; /* next value is 64-bit aligned, so these */ - /* 4 byte would be padded out by compiler */ - - u64 rx_packets; /* total packets received */ - u64 tx_packets; /* total packets transmitted */ - u64 rx_bytes; /* total bytes received */ - u64 tx_bytes; /* total bytes transmitted */ - u64 rx_errors; /* bad packets received */ - u64 tx_errors; /* packet transmit problems */ - u64 rx_dropped; /* no space in linux buffers */ - u64 tx_dropped; /* no space available in linux */ - u64 collisions; /* collisions while transmitting */ -} __attribute__((packed)) appldata_net_sum_data; - - -/* - * appldata_get_net_sum_data() - * - * gather accumulated network statistics - */ -static void appldata_get_net_sum_data(void *data) -{ - int i; - struct appldata_net_sum_data *net_data; - struct net_device *dev; - unsigned long rx_packets, tx_packets, rx_bytes, tx_bytes, rx_errors, - tx_errors, rx_dropped, tx_dropped, collisions; - - net_data = data; - net_data->sync_count_1++; - - i = 0; - rx_packets = 0; - tx_packets = 0; - rx_bytes = 0; - tx_bytes = 0; - rx_errors = 0; - tx_errors = 0; - rx_dropped = 0; - tx_dropped = 0; - collisions = 0; - - rcu_read_lock(); - for_each_netdev_rcu(&init_net, dev) { - const struct rtnl_link_stats64 *stats; - struct rtnl_link_stats64 temp; - - stats = dev_get_stats(dev, &temp); - rx_packets += stats->rx_packets; - tx_packets += stats->tx_packets; - rx_bytes += stats->rx_bytes; - tx_bytes += stats->tx_bytes; - rx_errors += stats->rx_errors; - tx_errors += stats->tx_errors; - rx_dropped += stats->rx_dropped; - tx_dropped += stats->tx_dropped; - collisions += stats->collisions; - i++; - } - rcu_read_unlock(); - - net_data->nr_interfaces = i; - net_data->rx_packets = rx_packets; - net_data->tx_packets = tx_packets; - net_data->rx_bytes = rx_bytes; - net_data->tx_bytes = tx_bytes; - net_data->rx_errors = rx_errors; - net_data->tx_errors = tx_errors; - net_data->rx_dropped = rx_dropped; - net_data->tx_dropped = tx_dropped; - net_data->collisions = collisions; - - net_data->timestamp = get_clock(); - net_data->sync_count_2++; -} - - -static struct appldata_ops ops = { - .name = "net_sum", - .record_nr = APPLDATA_RECORD_NET_SUM_ID, - .size = sizeof(struct appldata_net_sum_data), - .callback = &appldata_get_net_sum_data, - .data = &appldata_net_sum_data, - .owner = THIS_MODULE, - .mod_lvl = {0xF0, 0xF0}, /* EBCDIC "00" */ -}; - - -/* - * appldata_net_init() - * - * init data, register ops - */ -static int __init appldata_net_init(void) -{ - return appldata_register_ops(&ops); -} - -/* - * appldata_net_exit() - * - * unregister ops - */ -static void __exit appldata_net_exit(void) -{ - appldata_unregister_ops(&ops); -} - - -module_init(appldata_net_init); -module_exit(appldata_net_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Gerald Schaefer"); -MODULE_DESCRIPTION("Linux-VM Monitor Stream, accumulated network statistics"); |