diff options
Diffstat (limited to 'backport/compat/backport-4.1.c')
| -rw-r--r-- | backport/compat/backport-4.1.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/backport/compat/backport-4.1.c b/backport/compat/backport-4.1.c deleted file mode 100644 index e0a3ec63..00000000 --- a/backport/compat/backport-4.1.c +++ /dev/null @@ -1,84 +0,0 @@ -/* - * Copyright (c) 2015 Stefan Assmann <sassmann@kpanic.de> - * Copyright (c) 2015 Hauke Mehrtens <hauke@hauke-m.de> - * - * Backport functionality introduced in Linux 4.1. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/netdevice.h> -#include <linux/tty.h> - -netdev_features_t passthru_features_check(struct sk_buff *skb, - struct net_device *dev, - netdev_features_t features) -{ - return features; -} -EXPORT_SYMBOL_GPL(passthru_features_check); - -#ifdef CONFIG_TTY -#if LINUX_VERSION_IS_GEQ(4,0,0) -static void unset_locked_termios(struct ktermios *termios, - struct ktermios *old, - struct ktermios *locked) -{ - int i; - -#define NOSET_MASK(x, y, z) (x = ((x) & ~(z)) | ((y) & (z))) - - if (!locked) { - printk(KERN_WARNING "Warning?!? termios_locked is NULL.\n"); - return; - } - - NOSET_MASK(termios->c_iflag, old->c_iflag, locked->c_iflag); - NOSET_MASK(termios->c_oflag, old->c_oflag, locked->c_oflag); - NOSET_MASK(termios->c_cflag, old->c_cflag, locked->c_cflag); - NOSET_MASK(termios->c_lflag, old->c_lflag, locked->c_lflag); - termios->c_line = locked->c_line ? old->c_line : termios->c_line; - for (i = 0; i < NCCS; i++) - termios->c_cc[i] = locked->c_cc[i] ? - old->c_cc[i] : termios->c_cc[i]; - /* FIXME: What should we do for i/ospeed */ -} - -int tty_set_termios(struct tty_struct *tty, struct ktermios *new_termios) -{ - struct ktermios old_termios; - struct tty_ldisc *ld; - - WARN_ON(tty->driver->type == TTY_DRIVER_TYPE_PTY && - tty->driver->subtype == PTY_TYPE_MASTER); - /* - * Perform the actual termios internal changes under lock. - */ - - - /* FIXME: we need to decide on some locking/ordering semantics - for the set_termios notification eventually */ - down_write(&tty->termios_rwsem); - old_termios = tty->termios; - tty->termios = *new_termios; - unset_locked_termios(&tty->termios, &old_termios, &tty->termios_locked); - - if (tty->ops->set_termios) - tty->ops->set_termios(tty, &old_termios); - else - tty_termios_copy_hw(&tty->termios, &old_termios); - - ld = tty_ldisc_ref(tty); - if (ld != NULL) { - if (ld->ops->set_termios) - ld->ops->set_termios(tty, &old_termios); - tty_ldisc_deref(ld); - } - up_write(&tty->termios_rwsem); - return 0; -} -EXPORT_SYMBOL_GPL(tty_set_termios); -#endif /* LINUX_VERSION_IS_GEQ(4,0,0) */ -#endif /* CONFIG_TTY */ |