David,
Please consider pulling from:
master.kernel.org:/home/acme/BK/ip-2.5
Now there is just this outstanding changeset there.
Best Regards,
- Arnaldo
You can import this changeset into BK by piping this whole message to:
'| bk receive [path to repository]' or apply the patch as usual.
===================================================================
[email protected], 2002-10-13 20:14:27-02:00, [email protected]
o ipv4: convert /proc/net/route to seq_file
include/net/ip_fib.h | 25 ++++++++---------
net/ipv4/fib_frontend.c | 68 +++++++----------------------------------------
net/ipv4/fib_hash.c | 37 +++++++------------------
net/ipv4/fib_semantics.c | 30 ++++++++++----------
net/ipv4/ip_proc.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 117 insertions(+), 110 deletions(-)
diff -Nru a/include/net/ip_fib.h b/include/net/ip_fib.h
--- a/include/net/ip_fib.h Sun Oct 13 20:14:59 2002
+++ b/include/net/ip_fib.h Sun Oct 13 20:14:59 2002
@@ -18,6 +18,7 @@
#include <linux/config.h>
#include <net/flow.h>
+#include <linux/seq_file.h>
struct kern_rta
{
@@ -128,8 +129,7 @@
int (*tb_dump)(struct fib_table *table, struct sk_buff *skb,
struct netlink_callback *cb);
int (*tb_flush)(struct fib_table *table);
- int (*tb_get_info)(struct fib_table *table, char *buf,
- int first, int count);
+ int (*tb_seq_show)(struct fib_table *table, struct seq_file *seq);
void (*tb_select_default)(struct fib_table *table,
const struct flowi *flp, struct fib_result *res);
@@ -138,14 +138,14 @@
#ifndef CONFIG_IP_MULTIPLE_TABLES
-extern struct fib_table *local_table;
-extern struct fib_table *main_table;
+extern struct fib_table *ip_fib_local_table;
+extern struct fib_table *ip_fib_main_table;
static inline struct fib_table *fib_get_table(int id)
{
if (id != RT_TABLE_LOCAL)
- return main_table;
- return local_table;
+ return ip_fib_main_table;
+ return ip_fib_local_table;
}
static inline struct fib_table *fib_new_table(int id)
@@ -155,8 +155,8 @@
static inline int fib_lookup(const struct flowi *flp, struct fib_result *res)
{
- if (local_table->tb_lookup(local_table, flp, res) &&
- main_table->tb_lookup(main_table, flp, res))
+ if (ip_fib_local_table->tb_lookup(ip_fib_local_table, flp, res) &&
+ ip_fib_main_table->tb_lookup(ip_fib_main_table, flp, res))
return -ENETUNREACH;
return 0;
}
@@ -164,12 +164,12 @@
static inline void fib_select_default(const struct flowi *flp, struct fib_result *res)
{
if (FIB_RES_GW(*res) && FIB_RES_NH(*res).nh_scope == RT_SCOPE_LINK)
- main_table->tb_select_default(main_table, flp, res);
+ ip_fib_main_table->tb_select_default(ip_fib_main_table, flp, res);
}
#else /* CONFIG_IP_MULTIPLE_TABLES */
-#define local_table (fib_tables[RT_TABLE_LOCAL])
-#define main_table (fib_tables[RT_TABLE_MAIN])
+#define ip_fib_local_table (fib_tables[RT_TABLE_LOCAL])
+#define ip_fib_main_table (fib_tables[RT_TABLE_MAIN])
extern struct fib_table * fib_tables[RT_TABLE_MAX+1];
extern int fib_lookup(const struct flowi *flp, struct fib_result *res);
@@ -222,7 +222,8 @@
extern int fib_sync_up(struct net_device *dev);
extern int fib_convert_rtentry(int cmd, struct nlmsghdr *nl, struct rtmsg *rtm,
struct kern_rta *rta, struct rtentry *r);
-extern void fib_node_get_info(int type, int dead, struct fib_info *fi, u32 prefix, u32 mask, char *buffer);
+extern void fib_node_seq_show(struct seq_file *seq, int type, int dead,
+ struct fib_info *fi, u32 prefix, u32 mask);
extern u32 __fib_res_prefsrc(struct fib_result *res);
/* Exported by fib_hash.c */
diff -Nru a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
--- a/net/ipv4/fib_frontend.c Sun Oct 13 20:14:59 2002
+++ b/net/ipv4/fib_frontend.c Sun Oct 13 20:14:59 2002
@@ -31,7 +31,6 @@
#include <linux/inet.h>
#include <linux/netdevice.h>
#include <linux/if_arp.h>
-#include <linux/proc_fs.h>
#include <linux/skbuff.h>
#include <linux/netlink.h>
#include <linux/init.h>
@@ -51,8 +50,8 @@
#define RT_TABLE_MIN RT_TABLE_MAIN
-struct fib_table *local_table;
-struct fib_table *main_table;
+struct fib_table *ip_fib_local_table;
+struct fib_table *ip_fib_main_table;
#else
@@ -88,56 +87,14 @@
flushed += tb->tb_flush(tb);
}
#else /* CONFIG_IP_MULTIPLE_TABLES */
- flushed += main_table->tb_flush(main_table);
- flushed += local_table->tb_flush(local_table);
+ flushed += ip_fib_main_table->tb_flush(ip_fib_main_table);
+ flushed += ip_fib_local_table->tb_flush(ip_fib_local_table);
#endif /* CONFIG_IP_MULTIPLE_TABLES */
if (flushed)
rt_cache_flush(-1);
}
-
-#ifdef CONFIG_PROC_FS
-
-/*
- * Called from the PROCfs module. This outputs /proc/net/route.
- *
- * It always works in backward compatibility mode.
- * The format of the file is not supposed to be changed.
- */
-
-static int
-fib_get_procinfo(char *buffer, char **start, off_t offset, int length)
-{
- int first = offset/128;
- char *ptr = buffer;
- int count = (length+127)/128;
- int len;
-
- *start = buffer + offset%128;
-
- if (--first < 0) {
- sprintf(buffer, "%-127s\n", "Iface\tDestination\tGateway \tFlags\tRefCnt\tUse\tMetric\tMask\t\tMTU\tWindow\tIRTT");
- --count;
- ptr += 128;
- first = 0;
- }
-
- if (main_table && count > 0) {
- int n = main_table->tb_get_info(main_table, ptr, first, count);
- count -= n;
- ptr += n*128;
- }
- len = ptr - *start;
- if (len >= length)
- return length;
- if (len >= 0)
- return len;
- return 0;
-}
-
-#endif /* CONFIG_PROC_FS */
-
/*
* Find the first device with a given source address.
*/
@@ -152,9 +109,9 @@
res.r = NULL;
#endif
- if (!local_table || local_table->tb_lookup(local_table, &fl, &res)) {
+ if (!ip_fib_local_table ||
+ ip_fib_local_table->tb_lookup(ip_fib_local_table, &fl, &res))
return NULL;
- }
if (res.type != RTN_LOCAL)
goto out;
dev = FIB_RES_DEV(res);
@@ -181,9 +138,10 @@
res.r = NULL;
#endif
- if (local_table) {
+ if (ip_fib_local_table) {
ret = RTN_UNICAST;
- if (local_table->tb_lookup(local_table, &fl, &res) == 0) {
+ if (!ip_fib_local_table->tb_lookup(ip_fib_local_table,
+ &fl, &res)) {
ret = res.type;
fib_res_put(&res);
}
@@ -636,13 +594,9 @@
void __init ip_fib_init(void)
{
-#ifdef CONFIG_PROC_FS
- proc_net_create("route",0,fib_get_procinfo);
-#endif /* CONFIG_PROC_FS */
-
#ifndef CONFIG_IP_MULTIPLE_TABLES
- local_table = fib_hash_init(RT_TABLE_LOCAL);
- main_table = fib_hash_init(RT_TABLE_MAIN);
+ ip_fib_local_table = fib_hash_init(RT_TABLE_LOCAL);
+ ip_fib_main_table = fib_hash_init(RT_TABLE_MAIN);
#else
fib_rules_init();
#endif
diff -Nru a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c
--- a/net/ipv4/fib_hash.c Sun Oct 13 20:14:59 2002
+++ b/net/ipv4/fib_hash.c Sun Oct 13 20:14:59 2002
@@ -747,46 +747,31 @@
#ifdef CONFIG_PROC_FS
-static int fn_hash_get_info(struct fib_table *tb, char *buffer, int first, int count)
+static int fn_hash_seq_show(struct fib_table *tb, struct seq_file *seq)
{
- struct fn_hash *table = (struct fn_hash*)tb->tb_data;
+ struct fn_hash *table = (struct fn_hash *)tb->tb_data;
struct fn_zone *fz;
- int pos = 0;
- int n = 0;
read_lock(&fib_hash_lock);
- for (fz=table->fn_zone_list; fz; fz = fz->fz_next) {
+ for (fz = table->fn_zone_list; fz; fz = fz->fz_next) {
int i;
struct fib_node *f;
int maxslot = fz->fz_divisor;
struct fib_node **fp = fz->fz_hash;
- if (fz->fz_nent == 0)
+ if (!fz->fz_nent)
continue;
- if (pos + fz->fz_nent <= first) {
- pos += fz->fz_nent;
- continue;
- }
-
- for (i=0; i < maxslot; i++, fp++) {
- for (f = *fp; f; f = f->fn_next) {
- if (++pos <= first)
- continue;
- fib_node_get_info(f->fn_type,
- f->fn_state&FN_S_ZOMBIE,
+ for (i = 0; i < maxslot; i++, fp++)
+ for (f = *fp; f; f = f->fn_next)
+ fib_node_seq_show(seq, f->fn_type,
+ f->fn_state & FN_S_ZOMBIE,
FIB_INFO(f),
fz_prefix(f->fn_key, fz),
- FZ_MASK(fz), buffer);
- buffer += 128;
- if (++n >= count)
- goto out;
- }
- }
+ FZ_MASK(fz));
}
-out:
read_unlock(&fib_hash_lock);
- return n;
+ return 0;
}
#endif
@@ -913,7 +898,7 @@
tb->tb_select_default = fn_hash_select_default;
tb->tb_dump = fn_hash_dump;
#ifdef CONFIG_PROC_FS
- tb->tb_get_info = fn_hash_get_info;
+ tb->tb_seq_show = fn_hash_seq_show;
#endif
memset(tb->tb_data, 0, sizeof(struct fn_hash));
return tb;
diff -Nru a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
--- a/net/ipv4/fib_semantics.c Sun Oct 13 20:14:59 2002
+++ b/net/ipv4/fib_semantics.c Sun Oct 13 20:14:59 2002
@@ -1017,24 +1017,24 @@
return flags;
}
-void fib_node_get_info(int type, int dead, struct fib_info *fi, u32 prefix, u32 mask, char *buffer)
+void fib_node_seq_show(struct seq_file *seq, int type, int dead,
+ struct fib_info *fi, u32 prefix, u32 mask)
{
- int len;
+ char bf[128];
unsigned flags = fib_flag_trans(type, dead, mask, fi);
- if (fi) {
- len = sprintf(buffer, "%s\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u",
- fi->fib_dev ? fi->fib_dev->name : "*", prefix,
- fi->fib_nh->nh_gw, flags, 0, 0, fi->fib_priority,
- mask, fi->fib_advmss+40, fi->fib_window, fi->fib_rtt>>3);
- } else {
- len = sprintf(buffer, "*\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u",
- prefix, 0,
- flags, 0, 0, 0,
- mask, 0, 0, 0);
- }
- memset(buffer+len, ' ', 127-len);
- buffer[127] = '\n';
+ if (fi)
+ snprintf(bf, sizeof(bf),
+ "%s\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u",
+ fi->fib_dev ? fi->fib_dev->name : "*", prefix,
+ fi->fib_nh->nh_gw, flags, 0, 0, fi->fib_priority,
+ mask, fi->fib_advmss + 40, fi->fib_window,
+ fi->fib_rtt >> 3);
+ else
+ snprintf(bf, sizeof(bf),
+ "*\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u",
+ prefix, 0, flags, 0, 0, 0, mask, 0, 0, 0);
+ seq_printf(seq, "%-127s\n", bf);
}
#endif
diff -Nru a/net/ipv4/ip_proc.c b/net/ipv4/ip_proc.c
--- a/net/ipv4/ip_proc.c Sun Oct 13 20:14:59 2002
+++ b/net/ipv4/ip_proc.c Sun Oct 13 20:14:59 2002
@@ -18,6 +18,9 @@
#include <linux/netdevice.h>
#include <net/neighbour.h>
#include <net/arp.h>
+#include <linux/rtnetlink.h>
+#include <linux/route.h>
+#include <net/ip_fib.h>
#include <linux/seq_file.h>
#include <linux/proc_fs.h>
@@ -30,6 +33,8 @@
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_AX25
+
+/* ------------------------------------------------------------------------ */
/*
* ax25 -> ASCII conversion
*/
@@ -159,6 +164,40 @@
return 0;
}
+/* ------------------------------------------------------------------------ */
+
+static void *fib_seq_start(struct seq_file *seq, loff_t *pos)
+{
+ return *pos ? NULL : (void *)1;
+}
+
+static void *fib_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ return NULL;
+}
+
+static void fib_seq_stop(struct seq_file *seq, void *v)
+{
+}
+/*
+ * This outputs /proc/net/route.
+ *
+ * It always works in backward compatibility mode.
+ * The format of the file is not supposed to be changed.
+ */
+static int fib_seq_show(struct seq_file *seq, void *v)
+{
+ seq_printf(seq, "%-127s\n", "Iface\tDestination\tGateway "
+ "\tFlags\tRefCnt\tUse\tMetric\tMask\t\tMTU"
+ "\tWindow\tIRTT");
+ if (ip_fib_main_table)
+ ip_fib_main_table->tb_seq_show(ip_fib_main_table, seq);
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------------ */
+
struct seq_operations arp_seq_ops = {
.start = arp_seq_start,
.next = arp_seq_next,
@@ -166,11 +205,23 @@
.show = arp_seq_show,
};
+struct seq_operations fib_seq_ops = {
+ .start = fib_seq_start,
+ .next = fib_seq_next,
+ .stop = fib_seq_stop,
+ .show = fib_seq_show,
+};
+
static int arp_seq_open(struct inode *inode, struct file *file)
{
return seq_open(file, &arp_seq_ops);
}
+static int fib_seq_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &fib_seq_ops);
+}
+
static struct file_operations arp_seq_fops = {
.open = arp_seq_open,
.read = seq_read,
@@ -178,6 +229,15 @@
.release = seq_release,
};
+static struct file_operations fib_seq_fops = {
+ .open = fib_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+/* ------------------------------------------------------------------------ */
+
int __init ipv4_proc_init(void)
{
struct proc_dir_entry *p;
@@ -205,8 +265,15 @@
if (!p)
goto out_arp;
p->proc_fops = &arp_seq_fops;
+
+ p = create_proc_entry("route", S_IRUGO, proc_net);
+ if (!p)
+ goto out_route;
+ p->proc_fops = &fib_seq_fops;
out:
return rc;
+out_route:
+ remove_proc_entry("route", proc_net);
out_arp:
proc_net_remove("udp");
out_udp:
===================================================================
This BitKeeper patch contains the following changesets:
1.834
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`
end