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Message-Id: <1361251233-25914-1-git-send-email-xiyou.wangcong@gmail.com>
Date: Tue, 19 Feb 2013 13:20:33 +0800
From: Cong Wang <xiyou.wangcong@...il.com>
To: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
Cong Wang <xiyou.wangcong@...il.com>
Subject: [PATCH] net: move procfs code to net/core/net-procfs.c
From: Cong Wang <xiyou.wangcong@...il.com>
Similar to net/core/net-sysfs.c, group procfs code to
a single unit.
Cc: "David S. Miller" <davem@...emloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>
---
include/linux/netdevice.h | 36 ++++-
net/core/Makefile | 1 +
net/core/dev.c | 384 +-----------------------------------------
net/core/dev_addr_lists.c | 74 --------
net/core/net-procfs.c | 414 +++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 450 insertions(+), 459 deletions(-)
create mode 100644 net/core/net-procfs.c
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 920361b..f111b4f 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2692,9 +2692,9 @@ extern void net_enable_timestamp(void);
extern void net_disable_timestamp(void);
#ifdef CONFIG_PROC_FS
-extern void *dev_seq_start(struct seq_file *seq, loff_t *pos);
-extern void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos);
-extern void dev_seq_stop(struct seq_file *seq, void *v);
+extern int __init dev_proc_init(void);
+#else
+#define dev_proc_init() 0
#endif
extern int netdev_class_create_file(struct class_attribute *class_attr);
@@ -2896,4 +2896,34 @@ do { \
})
#endif
+/*
+ * The list of packet types we will receive (as opposed to discard)
+ * and the routines to invoke.
+ *
+ * Why 16. Because with 16 the only overlap we get on a hash of the
+ * low nibble of the protocol value is RARP/SNAP/X.25.
+ *
+ * NOTE: That is no longer true with the addition of VLAN tags. Not
+ * sure which should go first, but I bet it won't make much
+ * difference if we are running VLANs. The good news is that
+ * this protocol won't be in the list unless compiled in, so
+ * the average user (w/out VLANs) will not be adversely affected.
+ * --BLG
+ *
+ * 0800 IP
+ * 8100 802.1Q VLAN
+ * 0001 802.3
+ * 0002 AX.25
+ * 0004 802.2
+ * 8035 RARP
+ * 0005 SNAP
+ * 0805 X.25
+ * 0806 ARP
+ * 8137 IPX
+ * 0009 Localtalk
+ * 86DD IPv6
+ */
+#define PTYPE_HASH_SIZE (16)
+#define PTYPE_HASH_MASK (PTYPE_HASH_SIZE - 1)
+
#endif /* _LINUX_NETDEVICE_H */
diff --git a/net/core/Makefile b/net/core/Makefile
index 0c5e361..b33b996 100644
--- a/net/core/Makefile
+++ b/net/core/Makefile
@@ -13,6 +13,7 @@ obj-y += dev.o ethtool.o dev_addr_lists.o dst.o netevent.o \
obj-$(CONFIG_XFRM) += flow.o
obj-y += net-sysfs.o
+obj-$(CONFIG_PROC_FS) += net-procfs.o
obj-$(CONFIG_NET_PKTGEN) += pktgen.o
obj-$(CONFIG_NETPOLL) += netpoll.o
obj-$(CONFIG_NET_DMA) += user_dma.o
diff --git a/net/core/dev.c b/net/core/dev.c
index decf55f..8d9ddb0 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -97,8 +97,6 @@
#include <net/net_namespace.h>
#include <net/sock.h>
#include <linux/rtnetlink.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
#include <linux/stat.h>
#include <net/dst.h>
#include <net/pkt_sched.h>
@@ -110,7 +108,6 @@
#include <linux/netpoll.h>
#include <linux/rcupdate.h>
#include <linux/delay.h>
-#include <net/wext.h>
#include <net/iw_handler.h>
#include <asm/current.h>
#include <linux/audit.h>
@@ -141,41 +138,10 @@
/* This should be increased if a protocol with a bigger head is added. */
#define GRO_MAX_HEAD (MAX_HEADER + 128)
-/*
- * The list of packet types we will receive (as opposed to discard)
- * and the routines to invoke.
- *
- * Why 16. Because with 16 the only overlap we get on a hash of the
- * low nibble of the protocol value is RARP/SNAP/X.25.
- *
- * NOTE: That is no longer true with the addition of VLAN tags. Not
- * sure which should go first, but I bet it won't make much
- * difference if we are running VLANs. The good news is that
- * this protocol won't be in the list unless compiled in, so
- * the average user (w/out VLANs) will not be adversely affected.
- * --BLG
- *
- * 0800 IP
- * 8100 802.1Q VLAN
- * 0001 802.3
- * 0002 AX.25
- * 0004 802.2
- * 8035 RARP
- * 0005 SNAP
- * 0805 X.25
- * 0806 ARP
- * 8137 IPX
- * 0009 Localtalk
- * 86DD IPv6
- */
-
-#define PTYPE_HASH_SIZE (16)
-#define PTYPE_HASH_MASK (PTYPE_HASH_SIZE - 1)
-
static DEFINE_SPINLOCK(ptype_lock);
static DEFINE_SPINLOCK(offload_lock);
-static struct list_head ptype_base[PTYPE_HASH_SIZE] __read_mostly;
-static struct list_head ptype_all __read_mostly; /* Taps */
+struct list_head ptype_base[PTYPE_HASH_SIZE] __read_mostly;
+struct list_head ptype_all __read_mostly; /* Taps */
static struct list_head offload_base __read_mostly;
/*
@@ -4217,352 +4183,6 @@ softnet_break:
goto out;
}
-#ifdef CONFIG_PROC_FS
-
-#define BUCKET_SPACE (32 - NETDEV_HASHBITS - 1)
-
-#define get_bucket(x) ((x) >> BUCKET_SPACE)
-#define get_offset(x) ((x) & ((1 << BUCKET_SPACE) - 1))
-#define set_bucket_offset(b, o) ((b) << BUCKET_SPACE | (o))
-
-static inline struct net_device *dev_from_same_bucket(struct seq_file *seq, loff_t *pos)
-{
- struct net *net = seq_file_net(seq);
- struct net_device *dev;
- struct hlist_node *p;
- struct hlist_head *h;
- unsigned int count = 0, offset = get_offset(*pos);
-
- h = &net->dev_name_head[get_bucket(*pos)];
- hlist_for_each_entry_rcu(dev, p, h, name_hlist) {
- if (++count == offset)
- return dev;
- }
-
- return NULL;
-}
-
-static inline struct net_device *dev_from_bucket(struct seq_file *seq, loff_t *pos)
-{
- struct net_device *dev;
- unsigned int bucket;
-
- do {
- dev = dev_from_same_bucket(seq, pos);
- if (dev)
- return dev;
-
- bucket = get_bucket(*pos) + 1;
- *pos = set_bucket_offset(bucket, 1);
- } while (bucket < NETDEV_HASHENTRIES);
-
- return NULL;
-}
-
-/*
- * This is invoked by the /proc filesystem handler to display a device
- * in detail.
- */
-void *dev_seq_start(struct seq_file *seq, loff_t *pos)
- __acquires(RCU)
-{
- rcu_read_lock();
- if (!*pos)
- return SEQ_START_TOKEN;
-
- if (get_bucket(*pos) >= NETDEV_HASHENTRIES)
- return NULL;
-
- return dev_from_bucket(seq, pos);
-}
-
-void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
- ++*pos;
- return dev_from_bucket(seq, pos);
-}
-
-void dev_seq_stop(struct seq_file *seq, void *v)
- __releases(RCU)
-{
- rcu_read_unlock();
-}
-
-static void dev_seq_printf_stats(struct seq_file *seq, struct net_device *dev)
-{
- struct rtnl_link_stats64 temp;
- const struct rtnl_link_stats64 *stats = dev_get_stats(dev, &temp);
-
- seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu "
- "%8llu %7llu %4llu %4llu %4llu %5llu %7llu %10llu\n",
- dev->name, stats->rx_bytes, stats->rx_packets,
- stats->rx_errors,
- stats->rx_dropped + stats->rx_missed_errors,
- stats->rx_fifo_errors,
- stats->rx_length_errors + stats->rx_over_errors +
- stats->rx_crc_errors + stats->rx_frame_errors,
- stats->rx_compressed, stats->multicast,
- stats->tx_bytes, stats->tx_packets,
- stats->tx_errors, stats->tx_dropped,
- stats->tx_fifo_errors, stats->collisions,
- stats->tx_carrier_errors +
- stats->tx_aborted_errors +
- stats->tx_window_errors +
- stats->tx_heartbeat_errors,
- stats->tx_compressed);
-}
-
-/*
- * Called from the PROCfs module. This now uses the new arbitrary sized
- * /proc/net interface to create /proc/net/dev
- */
-static int dev_seq_show(struct seq_file *seq, void *v)
-{
- if (v == SEQ_START_TOKEN)
- seq_puts(seq, "Inter-| Receive "
- " | Transmit\n"
- " face |bytes packets errs drop fifo frame "
- "compressed multicast|bytes packets errs "
- "drop fifo colls carrier compressed\n");
- else
- dev_seq_printf_stats(seq, v);
- return 0;
-}
-
-static struct softnet_data *softnet_get_online(loff_t *pos)
-{
- struct softnet_data *sd = NULL;
-
- while (*pos < nr_cpu_ids)
- if (cpu_online(*pos)) {
- sd = &per_cpu(softnet_data, *pos);
- break;
- } else
- ++*pos;
- return sd;
-}
-
-static void *softnet_seq_start(struct seq_file *seq, loff_t *pos)
-{
- return softnet_get_online(pos);
-}
-
-static void *softnet_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
- ++*pos;
- return softnet_get_online(pos);
-}
-
-static void softnet_seq_stop(struct seq_file *seq, void *v)
-{
-}
-
-static int softnet_seq_show(struct seq_file *seq, void *v)
-{
- struct softnet_data *sd = v;
-
- seq_printf(seq, "%08x %08x %08x %08x %08x %08x %08x %08x %08x %08x\n",
- sd->processed, sd->dropped, sd->time_squeeze, 0,
- 0, 0, 0, 0, /* was fastroute */
- sd->cpu_collision, sd->received_rps);
- return 0;
-}
-
-static const struct seq_operations dev_seq_ops = {
- .start = dev_seq_start,
- .next = dev_seq_next,
- .stop = dev_seq_stop,
- .show = dev_seq_show,
-};
-
-static int dev_seq_open(struct inode *inode, struct file *file)
-{
- return seq_open_net(inode, file, &dev_seq_ops,
- sizeof(struct seq_net_private));
-}
-
-static const struct file_operations dev_seq_fops = {
- .owner = THIS_MODULE,
- .open = dev_seq_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release_net,
-};
-
-static const struct seq_operations softnet_seq_ops = {
- .start = softnet_seq_start,
- .next = softnet_seq_next,
- .stop = softnet_seq_stop,
- .show = softnet_seq_show,
-};
-
-static int softnet_seq_open(struct inode *inode, struct file *file)
-{
- return seq_open(file, &softnet_seq_ops);
-}
-
-static const struct file_operations softnet_seq_fops = {
- .owner = THIS_MODULE,
- .open = softnet_seq_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
-
-static void *ptype_get_idx(loff_t pos)
-{
- struct packet_type *pt = NULL;
- loff_t i = 0;
- int t;
-
- list_for_each_entry_rcu(pt, &ptype_all, list) {
- if (i == pos)
- return pt;
- ++i;
- }
-
- for (t = 0; t < PTYPE_HASH_SIZE; t++) {
- list_for_each_entry_rcu(pt, &ptype_base[t], list) {
- if (i == pos)
- return pt;
- ++i;
- }
- }
- return NULL;
-}
-
-static void *ptype_seq_start(struct seq_file *seq, loff_t *pos)
- __acquires(RCU)
-{
- rcu_read_lock();
- return *pos ? ptype_get_idx(*pos - 1) : SEQ_START_TOKEN;
-}
-
-static void *ptype_seq_next(struct seq_file *seq, void *v, loff_t *pos)
-{
- struct packet_type *pt;
- struct list_head *nxt;
- int hash;
-
- ++*pos;
- if (v == SEQ_START_TOKEN)
- return ptype_get_idx(0);
-
- pt = v;
- nxt = pt->list.next;
- if (pt->type == htons(ETH_P_ALL)) {
- if (nxt != &ptype_all)
- goto found;
- hash = 0;
- nxt = ptype_base[0].next;
- } else
- hash = ntohs(pt->type) & PTYPE_HASH_MASK;
-
- while (nxt == &ptype_base[hash]) {
- if (++hash >= PTYPE_HASH_SIZE)
- return NULL;
- nxt = ptype_base[hash].next;
- }
-found:
- return list_entry(nxt, struct packet_type, list);
-}
-
-static void ptype_seq_stop(struct seq_file *seq, void *v)
- __releases(RCU)
-{
- rcu_read_unlock();
-}
-
-static int ptype_seq_show(struct seq_file *seq, void *v)
-{
- struct packet_type *pt = v;
-
- if (v == SEQ_START_TOKEN)
- seq_puts(seq, "Type Device Function\n");
- else if (pt->dev == NULL || dev_net(pt->dev) == seq_file_net(seq)) {
- if (pt->type == htons(ETH_P_ALL))
- seq_puts(seq, "ALL ");
- else
- seq_printf(seq, "%04x", ntohs(pt->type));
-
- seq_printf(seq, " %-8s %pF\n",
- pt->dev ? pt->dev->name : "", pt->func);
- }
-
- return 0;
-}
-
-static const struct seq_operations ptype_seq_ops = {
- .start = ptype_seq_start,
- .next = ptype_seq_next,
- .stop = ptype_seq_stop,
- .show = ptype_seq_show,
-};
-
-static int ptype_seq_open(struct inode *inode, struct file *file)
-{
- return seq_open_net(inode, file, &ptype_seq_ops,
- sizeof(struct seq_net_private));
-}
-
-static const struct file_operations ptype_seq_fops = {
- .owner = THIS_MODULE,
- .open = ptype_seq_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release_net,
-};
-
-
-static int __net_init dev_proc_net_init(struct net *net)
-{
- int rc = -ENOMEM;
-
- if (!proc_create("dev", S_IRUGO, net->proc_net, &dev_seq_fops))
- goto out;
- if (!proc_create("softnet_stat", S_IRUGO, net->proc_net,
- &softnet_seq_fops))
- goto out_dev;
- if (!proc_create("ptype", S_IRUGO, net->proc_net, &ptype_seq_fops))
- goto out_softnet;
-
- if (wext_proc_init(net))
- goto out_ptype;
- rc = 0;
-out:
- return rc;
-out_ptype:
- remove_proc_entry("ptype", net->proc_net);
-out_softnet:
- remove_proc_entry("softnet_stat", net->proc_net);
-out_dev:
- remove_proc_entry("dev", net->proc_net);
- goto out;
-}
-
-static void __net_exit dev_proc_net_exit(struct net *net)
-{
- wext_proc_exit(net);
-
- remove_proc_entry("ptype", net->proc_net);
- remove_proc_entry("softnet_stat", net->proc_net);
- remove_proc_entry("dev", net->proc_net);
-}
-
-static struct pernet_operations __net_initdata dev_proc_ops = {
- .init = dev_proc_net_init,
- .exit = dev_proc_net_exit,
-};
-
-static int __init dev_proc_init(void)
-{
- return register_pernet_subsys(&dev_proc_ops);
-}
-#else
-#define dev_proc_init() 0
-#endif /* CONFIG_PROC_FS */
-
-
struct netdev_upper {
struct net_device *dev;
bool master;
diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index 8956252..bd2eb9d 100644
--- a/net/core/dev_addr_lists.c
+++ b/net/core/dev_addr_lists.c
@@ -15,7 +15,6 @@
#include <linux/rtnetlink.h>
#include <linux/export.h>
#include <linux/list.h>
-#include <linux/proc_fs.h>
/*
* General list handling functions
@@ -727,76 +726,3 @@ void dev_mc_init(struct net_device *dev)
__hw_addr_init(&dev->mc);
}
EXPORT_SYMBOL(dev_mc_init);
-
-#ifdef CONFIG_PROC_FS
-#include <linux/seq_file.h>
-
-static int dev_mc_seq_show(struct seq_file *seq, void *v)
-{
- struct netdev_hw_addr *ha;
- struct net_device *dev = v;
-
- if (v == SEQ_START_TOKEN)
- return 0;
-
- netif_addr_lock_bh(dev);
- netdev_for_each_mc_addr(ha, dev) {
- int i;
-
- seq_printf(seq, "%-4d %-15s %-5d %-5d ", dev->ifindex,
- dev->name, ha->refcount, ha->global_use);
-
- for (i = 0; i < dev->addr_len; i++)
- seq_printf(seq, "%02x", ha->addr[i]);
-
- seq_putc(seq, '\n');
- }
- netif_addr_unlock_bh(dev);
- return 0;
-}
-
-static const struct seq_operations dev_mc_seq_ops = {
- .start = dev_seq_start,
- .next = dev_seq_next,
- .stop = dev_seq_stop,
- .show = dev_mc_seq_show,
-};
-
-static int dev_mc_seq_open(struct inode *inode, struct file *file)
-{
- return seq_open_net(inode, file, &dev_mc_seq_ops,
- sizeof(struct seq_net_private));
-}
-
-static const struct file_operations dev_mc_seq_fops = {
- .owner = THIS_MODULE,
- .open = dev_mc_seq_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release_net,
-};
-
-#endif
-
-static int __net_init dev_mc_net_init(struct net *net)
-{
- if (!proc_create("dev_mcast", 0, net->proc_net, &dev_mc_seq_fops))
- return -ENOMEM;
- return 0;
-}
-
-static void __net_exit dev_mc_net_exit(struct net *net)
-{
- remove_proc_entry("dev_mcast", net->proc_net);
-}
-
-static struct pernet_operations __net_initdata dev_mc_net_ops = {
- .init = dev_mc_net_init,
- .exit = dev_mc_net_exit,
-};
-
-void __init dev_mcast_init(void)
-{
- register_pernet_subsys(&dev_mc_net_ops);
-}
-
diff --git a/net/core/net-procfs.c b/net/core/net-procfs.c
new file mode 100644
index 0000000..ac87066
--- /dev/null
+++ b/net/core/net-procfs.c
@@ -0,0 +1,414 @@
+#include <linux/netdevice.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <net/wext.h>
+
+#define BUCKET_SPACE (32 - NETDEV_HASHBITS - 1)
+
+#define get_bucket(x) ((x) >> BUCKET_SPACE)
+#define get_offset(x) ((x) & ((1 << BUCKET_SPACE) - 1))
+#define set_bucket_offset(b, o) ((b) << BUCKET_SPACE | (o))
+
+extern struct list_head ptype_all __read_mostly;
+extern struct list_head ptype_base[PTYPE_HASH_SIZE] __read_mostly;
+
+static inline struct net_device *dev_from_same_bucket(struct seq_file *seq, loff_t *pos)
+{
+ struct net *net = seq_file_net(seq);
+ struct net_device *dev;
+ struct hlist_node *p;
+ struct hlist_head *h;
+ unsigned int count = 0, offset = get_offset(*pos);
+
+ h = &net->dev_name_head[get_bucket(*pos)];
+ hlist_for_each_entry_rcu(dev, p, h, name_hlist) {
+ if (++count == offset)
+ return dev;
+ }
+
+ return NULL;
+}
+
+static inline struct net_device *dev_from_bucket(struct seq_file *seq, loff_t *pos)
+{
+ struct net_device *dev;
+ unsigned int bucket;
+
+ do {
+ dev = dev_from_same_bucket(seq, pos);
+ if (dev)
+ return dev;
+
+ bucket = get_bucket(*pos) + 1;
+ *pos = set_bucket_offset(bucket, 1);
+ } while (bucket < NETDEV_HASHENTRIES);
+
+ return NULL;
+}
+
+/*
+ * This is invoked by the /proc filesystem handler to display a device
+ * in detail.
+ */
+static void *dev_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(RCU)
+{
+ rcu_read_lock();
+ if (!*pos)
+ return SEQ_START_TOKEN;
+
+ if (get_bucket(*pos) >= NETDEV_HASHENTRIES)
+ return NULL;
+
+ return dev_from_bucket(seq, pos);
+}
+
+static void *dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ ++*pos;
+ return dev_from_bucket(seq, pos);
+}
+
+static void dev_seq_stop(struct seq_file *seq, void *v)
+ __releases(RCU)
+{
+ rcu_read_unlock();
+}
+
+static void dev_seq_printf_stats(struct seq_file *seq, struct net_device *dev)
+{
+ struct rtnl_link_stats64 temp;
+ const struct rtnl_link_stats64 *stats = dev_get_stats(dev, &temp);
+
+ seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu "
+ "%8llu %7llu %4llu %4llu %4llu %5llu %7llu %10llu\n",
+ dev->name, stats->rx_bytes, stats->rx_packets,
+ stats->rx_errors,
+ stats->rx_dropped + stats->rx_missed_errors,
+ stats->rx_fifo_errors,
+ stats->rx_length_errors + stats->rx_over_errors +
+ stats->rx_crc_errors + stats->rx_frame_errors,
+ stats->rx_compressed, stats->multicast,
+ stats->tx_bytes, stats->tx_packets,
+ stats->tx_errors, stats->tx_dropped,
+ stats->tx_fifo_errors, stats->collisions,
+ stats->tx_carrier_errors +
+ stats->tx_aborted_errors +
+ stats->tx_window_errors +
+ stats->tx_heartbeat_errors,
+ stats->tx_compressed);
+}
+
+/*
+ * Called from the PROCfs module. This now uses the new arbitrary sized
+ * /proc/net interface to create /proc/net/dev
+ */
+static int dev_seq_show(struct seq_file *seq, void *v)
+{
+ if (v == SEQ_START_TOKEN)
+ seq_puts(seq, "Inter-| Receive "
+ " | Transmit\n"
+ " face |bytes packets errs drop fifo frame "
+ "compressed multicast|bytes packets errs "
+ "drop fifo colls carrier compressed\n");
+ else
+ dev_seq_printf_stats(seq, v);
+ return 0;
+}
+
+static struct softnet_data *softnet_get_online(loff_t *pos)
+{
+ struct softnet_data *sd = NULL;
+
+ while (*pos < nr_cpu_ids)
+ if (cpu_online(*pos)) {
+ sd = &per_cpu(softnet_data, *pos);
+ break;
+ } else
+ ++*pos;
+ return sd;
+}
+
+static void *softnet_seq_start(struct seq_file *seq, loff_t *pos)
+{
+ return softnet_get_online(pos);
+}
+
+static void *softnet_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ ++*pos;
+ return softnet_get_online(pos);
+}
+
+static void softnet_seq_stop(struct seq_file *seq, void *v)
+{
+}
+
+static int softnet_seq_show(struct seq_file *seq, void *v)
+{
+ struct softnet_data *sd = v;
+
+ seq_printf(seq, "%08x %08x %08x %08x %08x %08x %08x %08x %08x %08x\n",
+ sd->processed, sd->dropped, sd->time_squeeze, 0,
+ 0, 0, 0, 0, /* was fastroute */
+ sd->cpu_collision, sd->received_rps);
+ return 0;
+}
+
+static const struct seq_operations dev_seq_ops = {
+ .start = dev_seq_start,
+ .next = dev_seq_next,
+ .stop = dev_seq_stop,
+ .show = dev_seq_show,
+};
+
+static int dev_seq_open(struct inode *inode, struct file *file)
+{
+ return seq_open_net(inode, file, &dev_seq_ops,
+ sizeof(struct seq_net_private));
+}
+
+static const struct file_operations dev_seq_fops = {
+ .owner = THIS_MODULE,
+ .open = dev_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release_net,
+};
+
+static const struct seq_operations softnet_seq_ops = {
+ .start = softnet_seq_start,
+ .next = softnet_seq_next,
+ .stop = softnet_seq_stop,
+ .show = softnet_seq_show,
+};
+
+static int softnet_seq_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &softnet_seq_ops);
+}
+
+static const struct file_operations softnet_seq_fops = {
+ .owner = THIS_MODULE,
+ .open = softnet_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+static void *ptype_get_idx(loff_t pos)
+{
+ struct packet_type *pt = NULL;
+ loff_t i = 0;
+ int t;
+
+ list_for_each_entry_rcu(pt, &ptype_all, list) {
+ if (i == pos)
+ return pt;
+ ++i;
+ }
+
+ for (t = 0; t < PTYPE_HASH_SIZE; t++) {
+ list_for_each_entry_rcu(pt, &ptype_base[t], list) {
+ if (i == pos)
+ return pt;
+ ++i;
+ }
+ }
+ return NULL;
+}
+
+static void *ptype_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(RCU)
+{
+ rcu_read_lock();
+ return *pos ? ptype_get_idx(*pos - 1) : SEQ_START_TOKEN;
+}
+
+static void *ptype_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ struct packet_type *pt;
+ struct list_head *nxt;
+ int hash;
+
+ ++*pos;
+ if (v == SEQ_START_TOKEN)
+ return ptype_get_idx(0);
+
+ pt = v;
+ nxt = pt->list.next;
+ if (pt->type == htons(ETH_P_ALL)) {
+ if (nxt != &ptype_all)
+ goto found;
+ hash = 0;
+ nxt = ptype_base[0].next;
+ } else
+ hash = ntohs(pt->type) & PTYPE_HASH_MASK;
+
+ while (nxt == &ptype_base[hash]) {
+ if (++hash >= PTYPE_HASH_SIZE)
+ return NULL;
+ nxt = ptype_base[hash].next;
+ }
+found:
+ return list_entry(nxt, struct packet_type, list);
+}
+
+static void ptype_seq_stop(struct seq_file *seq, void *v)
+ __releases(RCU)
+{
+ rcu_read_unlock();
+}
+
+static int ptype_seq_show(struct seq_file *seq, void *v)
+{
+ struct packet_type *pt = v;
+
+ if (v == SEQ_START_TOKEN)
+ seq_puts(seq, "Type Device Function\n");
+ else if (pt->dev == NULL || dev_net(pt->dev) == seq_file_net(seq)) {
+ if (pt->type == htons(ETH_P_ALL))
+ seq_puts(seq, "ALL ");
+ else
+ seq_printf(seq, "%04x", ntohs(pt->type));
+
+ seq_printf(seq, " %-8s %pF\n",
+ pt->dev ? pt->dev->name : "", pt->func);
+ }
+
+ return 0;
+}
+
+static const struct seq_operations ptype_seq_ops = {
+ .start = ptype_seq_start,
+ .next = ptype_seq_next,
+ .stop = ptype_seq_stop,
+ .show = ptype_seq_show,
+};
+
+static int ptype_seq_open(struct inode *inode, struct file *file)
+{
+ return seq_open_net(inode, file, &ptype_seq_ops,
+ sizeof(struct seq_net_private));
+}
+
+static const struct file_operations ptype_seq_fops = {
+ .owner = THIS_MODULE,
+ .open = ptype_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release_net,
+};
+
+
+static int __net_init dev_proc_net_init(struct net *net)
+{
+ int rc = -ENOMEM;
+
+ if (!proc_create("dev", S_IRUGO, net->proc_net, &dev_seq_fops))
+ goto out;
+ if (!proc_create("softnet_stat", S_IRUGO, net->proc_net,
+ &softnet_seq_fops))
+ goto out_dev;
+ if (!proc_create("ptype", S_IRUGO, net->proc_net, &ptype_seq_fops))
+ goto out_softnet;
+
+ if (wext_proc_init(net))
+ goto out_ptype;
+ rc = 0;
+out:
+ return rc;
+out_ptype:
+ remove_proc_entry("ptype", net->proc_net);
+out_softnet:
+ remove_proc_entry("softnet_stat", net->proc_net);
+out_dev:
+ remove_proc_entry("dev", net->proc_net);
+ goto out;
+}
+
+static void __net_exit dev_proc_net_exit(struct net *net)
+{
+ wext_proc_exit(net);
+
+ remove_proc_entry("ptype", net->proc_net);
+ remove_proc_entry("softnet_stat", net->proc_net);
+ remove_proc_entry("dev", net->proc_net);
+}
+
+static struct pernet_operations __net_initdata dev_proc_ops = {
+ .init = dev_proc_net_init,
+ .exit = dev_proc_net_exit,
+};
+
+int __init dev_proc_init(void)
+{
+ return register_pernet_subsys(&dev_proc_ops);
+}
+
+static int dev_mc_seq_show(struct seq_file *seq, void *v)
+{
+ struct netdev_hw_addr *ha;
+ struct net_device *dev = v;
+
+ if (v == SEQ_START_TOKEN)
+ return 0;
+
+ netif_addr_lock_bh(dev);
+ netdev_for_each_mc_addr(ha, dev) {
+ int i;
+
+ seq_printf(seq, "%-4d %-15s %-5d %-5d ", dev->ifindex,
+ dev->name, ha->refcount, ha->global_use);
+
+ for (i = 0; i < dev->addr_len; i++)
+ seq_printf(seq, "%02x", ha->addr[i]);
+
+ seq_putc(seq, '\n');
+ }
+ netif_addr_unlock_bh(dev);
+ return 0;
+}
+
+static const struct seq_operations dev_mc_seq_ops = {
+ .start = dev_seq_start,
+ .next = dev_seq_next,
+ .stop = dev_seq_stop,
+ .show = dev_mc_seq_show,
+};
+
+static int dev_mc_seq_open(struct inode *inode, struct file *file)
+{
+ return seq_open_net(inode, file, &dev_mc_seq_ops,
+ sizeof(struct seq_net_private));
+}
+
+static const struct file_operations dev_mc_seq_fops = {
+ .owner = THIS_MODULE,
+ .open = dev_mc_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release_net,
+};
+
+static int __net_init dev_mc_net_init(struct net *net)
+{
+ if (!proc_create("dev_mcast", 0, net->proc_net, &dev_mc_seq_fops))
+ return -ENOMEM;
+ return 0;
+}
+
+static void __net_exit dev_mc_net_exit(struct net *net)
+{
+ remove_proc_entry("dev_mcast", net->proc_net);
+}
+
+static struct pernet_operations __net_initdata dev_mc_net_ops = {
+ .init = dev_mc_net_init,
+ .exit = dev_mc_net_exit,
+};
+
+void __init dev_mcast_init(void)
+{
+ register_pernet_subsys(&dev_mc_net_ops);
+}
--
1.7.7.6
--
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