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authorNeil Horman <nhorman@tuxdriver.com>2012-05-29 09:30:41 +0000
committerDavid S. Miller <davem@davemloft.net>2012-05-29 22:33:56 -0400
commite9412c37082b5c932e83364aaed0c38c2ce33acb (patch)
tree479e716c478173830e378f432d3d0b24c6979541 /net/l2tp
parent2033e9bf06f07e049bbc77e9452856df846714cc (diff)
genetlink: Build a generic netlink family module alias
Generic netlink searches for -type- formatted aliases when requesting a module to fulfill a protocol request (i.e. net-pf-16-proto-16-type-<x>, where x is a type value). However generic netlink protocols have no well defined type numbers, they have string names. Modify genl_ctrl_getfamily to request an alias in the format net-pf-16-proto-16-family-<x> instead, where x is a generic string, and add a macro that builds on the previously added MODULE_ALIAS_NET_PF_PROTO_NAME macro to allow modules to specifify those generic strings. Note, l2tp previously hacked together an net-pf-16-proto-16-type-l2tp alias using the MODULE_ALIAS macro, with these updates we can convert that to use the PROTO_NAME macro. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> CC: Eric Dumazet <eric.dumazet@gmail.com> CC: James Chapman <jchapman@katalix.com> CC: David Miller <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/l2tp')
-rw-r--r--net/l2tp/l2tp_netlink.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c
index 8577264378f..ddc553e7667 100644
--- a/net/l2tp/l2tp_netlink.c
+++ b/net/l2tp/l2tp_netlink.c
@@ -923,5 +923,4 @@ MODULE_AUTHOR("James Chapman <jchapman@katalix.com>");
MODULE_DESCRIPTION("L2TP netlink");
MODULE_LICENSE("GPL");
MODULE_VERSION("1.0");
-MODULE_ALIAS("net-pf-" __stringify(PF_NETLINK) "-proto-" \
- __stringify(NETLINK_GENERIC) "-type-" "l2tp");
+MODULE_ALIAS_GENL_FAMILY("l2tp");