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Commit f1f39f91 authored by stephen hemminger's avatar stephen hemminger Committed by David S. Miller
Browse files

l2tp: auto load type modules 



It should not be necessary to do explicit module loading when
configuring L2TP. Modules should be loaded as needed instead
(as is done already with netlink and other tunnel types).

This patch adds a new module alias type and code to load
the sub module on demand.

Signed-off-by: default avatarStephen Hemminger <stephen@networkplumber.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f37db85d

net/l2tp/l2tp_core.h

+3 −0
Original line number Diff line number Diff line
@@ -321,4 +321,7 @@ do { \ 
#define l2tp_dbg(ptr, type, fmt, ...)					\

	l2tp_printk(ptr, type, pr_debug, fmt, ##__VA_ARGS__)



#define MODULE_ALIAS_L2TP_PWTYPE(type) \

	MODULE_ALIAS("net-l2tp-type-" __stringify(type))



#endif /* _L2TP_CORE_H_ */

net/l2tp/l2tp_eth.c

+1 −0
Original line number Diff line number Diff line
@@ -358,3 +358,4 @@ MODULE_LICENSE("GPL"); 
MODULE_AUTHOR("James Chapman <jchapman@katalix.com>");

MODULE_DESCRIPTION("L2TP ethernet pseudowire driver");

MODULE_VERSION("1.0");

MODULE_ALIAS_L2TP_PWTYPE(5);

net/l2tp/l2tp_netlink.c

+7 −0
Original line number Diff line number Diff line
@@ -576,6 +576,13 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, struct genl_info *inf 
	if (info->attrs[L2TP_ATTR_MRU])

		cfg.mru = nla_get_u16(info->attrs[L2TP_ATTR_MRU]);



#ifdef CONFIG_MODULES

	if (l2tp_nl_cmd_ops[cfg.pw_type] == NULL) {

		genl_unlock();

		request_module("net-l2tp-type-%u", cfg.pw_type);

		genl_lock();

	}

#endif

	if ((l2tp_nl_cmd_ops[cfg.pw_type] == NULL) ||

	    (l2tp_nl_cmd_ops[cfg.pw_type]->session_create == NULL)) {

		ret = -EPROTONOSUPPORT;

net/l2tp/l2tp_ppp.c

+1 −0
Original line number Diff line number Diff line
@@ -1863,3 +1863,4 @@ MODULE_DESCRIPTION("PPP over L2TP over UDP"); 
MODULE_LICENSE("GPL");

MODULE_VERSION(PPPOL2TP_DRV_VERSION);

MODULE_ALIAS("pppox-proto-" __stringify(PX_PROTO_OL2TP));

MODULE_ALIAS_L2TP_PWTYPE(11);