Re: ip_nat_irc & 2.4.18

Nix N. Nix (nix@go-nix.ca)
08 Jun 2002 22:32:06 -0400

On Sat, 2002-06-08 at 06:06, Nix N. Nix wrote:
> Does ip_nat_irc not work with 2.4.18 ? All my old fserves have stopped
> working. If I try logging in from the outside (for, say, a DCC file
> xfer), I get "Connection Refused" in the client. I believe it ran fine
> with 2.4.17. What's wrong ?

I figured it out:

ip_nat_irc.o doesn't track connection going to ports other than 6667.
So, if, initially, you connect to, say, twisted.ma.us.dal.net:6668, then
ip_nat_irc doesn't track your connection. :o(

>
>
>
> Please help.
>
>
>
> -
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>

-
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 ;
- de[0].date = de[1].date = CT_LE_W(date);
+ de[0].time = de[1].time = cpu_to_le16(time);
+ de[0].date = de[1].date = cpu_to_le16(date);
if (is_vfat) { /* extra timestamps */
- de[0].ctime = de[1].ctime = CT_LE_W(time);
+ de[0].ctime = de[1].ctime = cpu_to_le16(time);
de[0].adate = de[0].cdate =
- de[1].adate = de[1].cdate = CT_LE_W(date);
+ de[1].adate = de[1].cdate = cpu_to_le16(date);
}
- de[0].start = CT_LE_W(MSDOS_I(dir)->i_logstart);
- de[0].starthi = CT_LE_W(MSDOS_I(dir)->i_logstart>>16);
- de[1].start = CT_LE_W(MSDOS_I(parent)->i_logstart);
- de[1].starthi = CT_LE_W(MSDOS_I(parent)->i_logstart>>16);
+ de[0].start = cpu_to_le16(MSDOS_I(dir)->i_logstart);
+ de[0].starthi = cpu_to_le16(MSDOS_I(dir)->i_logstart>>16);
+ de[1].start = cpu_to_le16(MSDOS_I(parent)->i_logstart);
+ de[1].starthi = cpu_to_le16(MSDOS_I(parent)->i_logstart>>16);
fat_mark_buffer_dirty(sb, bh);
fat_brelse(sb, bh);
dir->i_atime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
diff -Naurd old/fs/fat/inode.c new/fs/fat/inode.c
--- old/fs/fat/inode.c Sun Jun 2 21:44:48 2002
+++ new/fs/fat/inode.c Sat Jun 8 17:25:48 2002
@@ -712,7 +712,7 @@
goto out_invalid;
}
logical_sector_size =
- CF_LE_W(get_unaligned((unsigned short *) &b->sector_size));
+ le16_to_cpu(get_unaligned((unsigned short *) &b->sector_size));
if (!logical_sector_size
|| (logical_sector_size & (logical_sector_size - 1))
|| (logical_sector_size < 512)
@@ -760,8 +760,8 @@
sbi->cluster_bits = ffs(sb->s_blocksize * sbi->cluster_size) - 1;
sbi->fats = b->fats;
sbi->fat_bits = 0; /* Don't know yet */
- sbi->fat_start = CF_LE_W(b->reserved);
- sbi->fat_length = CF_LE_W(b->fat_length);
+ sbi->fat_start = le16_to_cpu(b->reserved);
+ sbi->fat_length = le16_to_cpu(b->fat_length);
sbi->root_cluster = 0;
sbi->free_clusters = -1; /* Don't know yet */
sbi->prev_free = 0;
@@ -772,11 +772,11 @@

/* Must be FAT32 */
sbi->fat_bits = 32;
- sbi->fat_length = CF_LE_L(b->fat32_length);
- sbi->root_cluster = CF_LE_L(b->root_cluster);
+ sbi->fat_length = le32_to_cpu(b->fat32_length);
+ sbi->root_cluster = le32_to_cpu(b->root_cluster);

/* MC - if info_sector is 0, don't multiply by 0 */
- sbi->fsinfo_sector = CF_LE_W(b->info_sector);
+ sbi->fsinfo_sector = le16_to_cpu(b->info_sector);
if (sbi->fsinfo_sector == 0)
sbi->fsinfo_sector = 1;

@@ -793,11 +793,11 @@
printk("FAT: Did not find valid FSINFO signature.\n"
" Found signature1 0x%08x signature2 0x%08x"
" (sector = %lu)\n",
- CF_LE_L(fsinfo->signature1),
- CF_LE_L(fsinfo->signature2),
+ le32_to_cpu(fsinfo->signature1),
+ le32_to_cpu(fsinfo->signature2),
sbi->fsinfo_sector);
} else {
- sbi->free_clusters = CF_LE_L(fsinfo->free_clusters);
+ sbi->free_clusters = le32_to_cpu(fsinfo->free_clusters);
}

brelse(fsinfo_bh);
@@ -808,7 +808,7 @@

sbi->dir_start = sbi->fat_start + sbi->fats * sbi->fat_length;
sbi->dir_entries =
- CF_LE_W(get_unaligned((unsigned short *)&b->dir_entries));
+ le16_to_cpu(get_unaligned((unsigned short *)&b->dir_entries));
if (sbi->dir_entries & (sbi->dir_per_block - 1)) {
printk("FAT: bogus directroy-entries per block\n");
brelse(bh);
@@ -818,9 +818,9 @@
rootdir_sectors = sbi->dir_entries
* sizeof(struct msdos_dir_entry) / sb->s_blocksize;
sbi->data_start = sbi->dir_start + rootdir_sectors;
- total_sectors = CF_LE_W(get_unaligned((unsigned short *)&b->sectors));
+ total_sectors = le16_to_cpu(get_unaligned((unsigned short *)&b->sectors));
if (total_sectors == 0)
- total_sectors = CF_LE_L(b->total_sect);
+ total_sectors = le32_to_cpu(b->total_sect);
sbi->clusters = (total_sectors - sbi->data_start) / sbi->cluster_size;

if (sbi->fat_bits != 32)
@@ -1018,10 +1018,10 @@
inode->i_op = sbi->dir_ops;
inode->i_fop = &fat_dir_operations;

- MSDOS_I(inode)->i_start = CF_LE_W(de->start);
+ MSDOS_I(inode)->i_start = le16_to_cpu(de->start);
if (sbi->fat_bits == 32) {
MSDOS_I(inode)->i_start |=
- (CF_LE_W(de->starthi) << 16);
+ (le16_to_cpu(de->starthi) << 16);
}
MSDOS_I(inode)->i_logstart = MSDOS_I(inode)->i_start;
error = fat_calc_dir_size(inode);
@@ -1044,13 +1044,13 @@
!is_exec(de->ext))
? S_IRUGO|S_IWUGO : S_IRWXUGO)
& ~sbi->options.fs_umask) | S_IFREG;
- MSDOS_I(inode)->i_start = CF_LE_W(de->start);
+ MSDOS_I(inode)->i_start = le16_to_cpu(de->start);
if (sbi->fat_bits == 32) {
MSDOS_I(inode)->i_start |=
- (CF_LE_W(de->starthi) << 16);
+ (le16_to_cpu(de->starthi) << 16);
}
MSDOS_I(inode)->i_logstart = MSDOS_I(inode)->i_start;
- inode->i_size = CF_LE_L(de->size);
+ inode->i_size = le32_to_cpu(de->size);
inode->i_op = &fat_file_inode_operations;
inode->i_fop = &fat_file_operations;
inode->i_mapping->a_ops = &fat_aops;
@@ -1065,10 +1065,10 @@
inode->i_blocks = ((inode->i_size + inode->i_blksize - 1)
& ~(inode->i_blksize - 1)) >> 9;
inode->i_mtime = inode->i_atime =
- date_dos2unix(CF_LE_W(de->time),CF_LE_W(de->date));
+ date_dos2unix(le16_to_cpu(de->time),le16_to_cpu(de->date));
inode->i_ctime =
MSDOS_SB(sb)->options.isvfat
- ? date_dos2unix(CF_LE_W(de->ctime),CF_LE_W(de->cdate))
+ ? date_dos2unix(le16_to_cpu(de->ctime),le16_to_cpu(de->cdate))
: inode->i_mtime;
MSDOS_I(inode)->i_ctime_ms = de->ctime_ms;

@@ -1110,20 +1110,20 @@
}
else {
raw_entry->attr = ATTR_NONE;
- raw_entry->size = CT_LE_L(inode->i_size);
+ raw_entry->size = cpu_to_le32(inode->i_size);
}
raw_entry->attr |= MSDOS_MKATTR(inode->i_mode) |
MSDOS_I(inode)->i_attrs;
- raw_entry->start = CT_LE_W(MSDOS_I(inode)->i_logstart);
- raw_entry->starthi = CT_LE_W(MSDOS_I(inode)->i_logstart >> 16);
+ raw_entry->start = cpu_to_le16(MSDOS_I(inode)->i_logstart);
+ raw_entry->starthi = cpu_to_le16(MSDOS_I(inode)->i_logstart >> 16);
fat_date_unix2dos(inode->i_mtime,&raw_entry->time,&raw_entry->date);
- raw_entry->time = CT_LE_W(raw_entry->time);
- raw_entry->date = CT_LE_W(raw_entry->date);
+ raw_entry->time = cpu_to_le16(raw_entry->time);
+ raw_entry->date = cpu_to_le16(raw_entry->date);
if (MSDOS_SB(sb)->options.isvfat) {
fat_date_unix2dos(inode->i_ctime,&raw_entry->ctime,&raw_entry->cdate);
raw_entry->ctime_ms = MSDOS_I(inode)->i_ctime_ms;
- raw_entry->ctime = CT_LE_W(raw_entry->ctime);
- raw_entry->cdate = CT_LE_W(raw_entry->cdate);
+ raw_entry->ctime = cpu_to_le16(raw_entry->ctime);
+ raw_entry->cdate = cpu_to_le16(raw_entry->cdate);
}
spin_unlock(&fat_inode_lock);
fat_mark_buffer_dirty(sb, bh);
diff -Naurd old/fs/fat/misc.c new/fs/fat/misc.c
--- old/fs/fat/misc.c Sun Jun 2 21:44:52 2002
+++ new/fs/fat/misc.c Sat Jun 8 17:25:48 2002
@@ -115,10 +115,10 @@
printk("FAT: Did not find valid FSINFO signature.\n"
" Found signature1 0x%08x signature2 0x%08x"
" (sector = %lu)\n",
- CF_LE_L(fsinfo->signature1), CF_LE_L(fsinfo->signature2),
+ le32_to_cpu(fsinfo->signature1), le32_to_cpu(fsinfo->signature2),
MSDOS_SB(sb)->fsinfo_sector);
} else {
- fsinfo->free_clusters = CF_LE_L(MSDOS_SB(sb)->free_clusters);
+ fsinfo->free_clusters = le32_to_cpu(MSDOS_SB(sb)->free_clusters);
fat_mark_buffer_dirty(sb, bh);
}
fat_brelse(sb, bh);
@@ -405,9 +405,9 @@
done = !IS_FREE(data[entry].name) \
&& ( \
( \
- (MSDOS_SB(sb)->fat_bits != 32) ? 0 : (CF_LE_W(data[entry].starthi) << 16) \
+ (MSDOS_SB(sb)->fat_bits != 32) ? 0 : (le16_to_cpu(data[entry].starthi) << 16) \
) \
- | CF_LE_W(data[entry].start) \
+ | le16_to_cpu(data[entry].start) \
) == *number;

#define RSS_FREE /* search for free entry */ \
@@ -447,9 +447,9 @@
if (done) {
if (ino)
*ino = sector * MSDOS_SB(sb)->dir_per_block + entry;
- start = CF_LE_W(data[entry].start);
+ start = le16_to_cpu(data[entry].start);
if (MSDOS_SB(sb)->fat_bits == 32) {
- start |= (CF_LE_W(data[entry].starthi) << 16);
+ start |= (le16_to_cpu(data[entry].starthi) << 16);
}
if (!res_bh)
fat_brelse(sb, bh);
diff -Naurd old/fs/msdos/namei.c new/fs/msdos/namei.c
--- old/fs/msdos/namei.c Sun Jun 2 21:44:49 2002
+++ new/fs/msdos/namei.c Sat Jun 8 17:25:48 2002
@@ -514,8 +514,8 @@
mark_inode_dirty(new_inode);
}
if (dotdot_bh) {
- dotdot_de->start = CT_LE_W(MSDOS_I(new_dir)->i_logstart);
- dotdot_de->starthi = CT_LE_W((MSDOS_I(new_dir)->i_logstart) >> 16);
+ dotdot_de->start = cpu_to_le16(MSDOS_I(new_dir)->i_logstart);
+ dotdot_de->starthi = cpu_to_le16((MSDOS_I(new_dir)->i_logstart) >> 16);
fat_mark_buffer_dirty(sb, dotdot_bh);
old_dir->i_nlink--;
mark_inode_dirty(old_dir);
diff -Naurd old/fs/vfat/namei.c new/fs/vfat/namei.c
--- old/fs/vfat/namei.c Sun Jun 2 21:44:51 2002
+++ new/fs/vfat/namei.c Sat Jun 8 17:25:48 2002
@@ -1257,8 +1257,8 @@

if (is_dir) {
int start = MSDOS_I(new_dir)->i_logstart;
- dotdot_de->start = CT_LE_W(start);
- dotdot_de->starthi = CT_LE_W(start>>16);
+ dotdot_de->start = cpu_to_le16(start);
+ dotdot_de->starthi = cpu_to_le16(start>>16);
fat_mark_buffer_dirty(sb, dotdot_bh);
old_dir->i_nlink--;
if (new_inode) {
diff -Naurd old/include/linux/msdos_fs.h new/include/linux/msdos_fs.h
--- old/include/linux/msdos_fs.h Sun Jun 2 21:44:52 2002
+++ new/include/linux/msdos_fs.h Sat Jun 8 17:28:07 2002
@@ -80,8 +80,8 @@

#define FAT_FSINFO_SIG1 0x41615252
#define FAT_FSINFO_SIG2 0x61417272
-#define IS_FSINFO(x) (CF_LE_L((x)->signature1) == FAT_FSINFO_SIG1 \
- && CF_LE_L((x)->signature2) == FAT_FSINFO_SIG2)
+#define IS_FSINFO(x) (le32_to_cpu((x)->signature1) == FAT_FSINFO_SIG1 \
+ && le32_to_cpu((x)->signature2) == FAT_FSINFO_SIG2)

/*
* ioctl commands
@@ -98,17 +98,6 @@
#define VFAT_SFN_CREATE_WIN95 0x0100 /* emulate win95 rule for create */
#define VFAT_SFN_CREATE_WINNT 0x0200 /* emulate winnt rule for create */

-/*
- * Conversion from and to little-endian byte order. (no-op on i386/i486)
- *
- * Naming: Ca_b_c, where a: F = from, T = to, b: LE = little-endian,
- * BE = big-endian, c: W = word (16 bits), L = longword (32 bits)
- */
-
-#define CF_LE_W(v) le16_to_cpu(v)
-#define CF_LE_L(v) le32_to_cpu(v)
-#define CT_LE_W(v) cpu_to_le16(v)
-#define CT_LE_L(v) cpu_to_le32(v)

struct fat_boot_sector {
__s8 ignored[3]; /* Boot strap short or near jump */
-
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