ipv6: add ip6_sock_set_addr_preferences
authorChristoph Hellwig <hch@lst.de>
Thu, 28 May 2020 05:12:33 +0000 (07:12 +0200)
committerDavid S. Miller <davem@davemloft.net>
Thu, 28 May 2020 18:11:46 +0000 (11:11 -0700)
commit18d5ad62327576cbb1e5b9938a59d63ac0c15832
treebbe7e26b179b2198e8dcce03c59554851e180b87
parentfce934949c0f0003c1777fbf8c0706ba82a8cf7e
ipv6: add ip6_sock_set_addr_preferences

Add a helper to directly set the IPV6_ADD_PREFERENCES sockopt from kernel
space without going through a fake uaccess.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/ipv6.h
net/ipv6/ipv6_sockglue.c
net/sunrpc/xprtsock.c