[net-next,v2,3/5] net: add netlink_ext_ack argument to rtnl_link_ops.validate

Message ID	51f1b1e0b81216ce08a2c846c7eac6fb58e9d667.1498425679.git.mschiffer@universe-factory.net (mailing list archive)
State	Deferred
Headers	show Return-Path: <linux-wpan-owner@kernel.org> From: Matthias Schiffer <mschiffer@universe-factory.net> To: dledford@redhat.com, sean.hefty@intel.com, hal.rosenstock@gmail.com, j.vosburgh@gmail.com, vfalico@gmail.com, andy@greyhouse.net, wg@grandegger.com, mkl@pengutronix.de, pablo@netfilter.org, laforge@gnumonks.org, paulus@samba.org, jiri@resnulli.us, dsa@cumulusnetworks.com, shm@cumulusnetworks.com, davem@davemloft.net, stephen@networkplumber.org, arvid.brodin@alten.se, alex.aring@gmail.com, stefan@osg.samsung.com, kuznet@ms2.inr.ac.ru, jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@trash.net, steffen.klassert@secunet.com, herbert@gondor.apana.org.au, johannes@sipsolutions.net Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-can@vger.kernel.org, linux-ppp@vger.kernel.org, linux-wpan@vger.kernel.org Subject: [PATCH net-next v2 3/5] net: add netlink_ext_ack argument to rtnl_link_ops.validate Date: Sun, 25 Jun 2017 23:56:01 +0200 Message-Id: <51f1b1e0b81216ce08a2c846c7eac6fb58e9d667.1498425679.git.mschiffer@universe-factory.net> In-Reply-To: <cover.1498425679.git.mschiffer@universe-factory.net> References: <cover.1498425679.git.mschiffer@universe-factory.net> In-Reply-To: <cover.1498425679.git.mschiffer@universe-factory.net> References: <cover.1498425679.git.mschiffer@universe-factory.net> Sender: linux-wpan-owner@vger.kernel.org Precedence: bulk

diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c index cb803c026f1f..0a9d78de6138 100644 --- a/drivers/net/bonding/bond_netlink.c +++ b/drivers/net/bonding/bond_netlink.c @@ -118,7 +118,8 @@ static const struct nla_policy bond_slave_policy[IFLA_BOND_SLAVE_MAX + 1] = { [IFLA_BOND_SLAVE_QUEUE_ID] = { .type = NLA_U16 }, }; -static int bond_validate(struct nlattr *tb[], struct nlattr *data[]) +static int bond_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (tb[IFLA_ADDRESS]) { if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 6d8191f2ad32..365a8cc62405 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -848,7 +848,8 @@ static const struct nla_policy can_policy[IFLA_CAN_MAX + 1] = { = { .len = sizeof(struct can_bittiming_const) }, }; -static int can_validate(struct nlattr *tb[], struct nlattr *data[]) +static int can_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { bool is_can_fd = false; diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c index 9905b52fe293..d0c165d2086e 100644 --- a/drivers/net/dummy.c +++ b/drivers/net/dummy.c @@ -356,7 +356,8 @@ static void dummy_setup(struct net_device *dev) dev->max_mtu = ETH_MAX_MTU; } -static int dummy_validate(struct nlattr *tb[], struct nlattr *data[]) +static int dummy_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (tb[IFLA_ADDRESS]) { if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 0a72d914e1f9..eb77201cb718 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -1058,7 +1058,8 @@ static const struct nla_policy geneve_policy[IFLA_GENEVE_MAX + 1] = { [IFLA_GENEVE_UDP_ZERO_CSUM6_RX] = { .type = NLA_U8 }, }; -static int geneve_validate(struct nlattr *tb[], struct nlattr *data[]) +static int geneve_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (tb[IFLA_ADDRESS]) { if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 9cfe8a24c1fc..1542e837fdfa 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -698,7 +698,8 @@ static const struct nla_policy gtp_policy[IFLA_GTP_MAX + 1] = { [IFLA_GTP_ROLE] = { .type = NLA_U32 }, }; -static int gtp_validate(struct nlattr *tb[], struct nlattr *data[]) +static int gtp_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (!data) return -EINVAL; diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c index 144ea5ae8ab4..8870bd2a2e8a 100644 --- a/drivers/net/ifb.c +++ b/drivers/net/ifb.c @@ -273,7 +273,8 @@ static int ifb_open(struct net_device *dev) return 0; } -static int ifb_validate(struct nlattr *tb[], struct nlattr *data[]) +static int ifb_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (tb[IFLA_ADDRESS]) { if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index e7d54072d7b3..f37e3c1fd4e7 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -477,7 +477,8 @@ static size_t ipvlan_nl_getsize(const struct net_device *dev) ); } -static int ipvlan_nl_validate(struct nlattr *tb[], struct nlattr *data[]) +static int ipvlan_nl_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (data && data[IFLA_IPVLAN_MODE]) { u16 mode = nla_get_u16(data[IFLA_IPVLAN_MODE]); diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 38ba3d73ac15..5e1ab1160856 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -3287,7 +3287,8 @@ static int macsec_newlink(struct net *net, struct net_device *dev, return err; } -static int macsec_validate_attr(struct nlattr *tb[], struct nlattr *data[]) +static int macsec_validate_attr(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { u64 csid = MACSEC_DEFAULT_CIPHER_ID; u8 icv_len = DEFAULT_ICV_LEN; diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 3064416578a9..9ffff0362a11 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -1162,7 +1162,8 @@ static void macvlan_port_destroy(struct net_device *dev) kfree(port); } -static int macvlan_validate(struct nlattr *tb[], struct nlattr *data[]) +static int macvlan_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (tb[IFLA_ADDRESS]) { if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) diff --git a/drivers/net/nlmon.c b/drivers/net/nlmon.c index c4b3362da4a2..4b22955de191 100644 --- a/drivers/net/nlmon.c +++ b/drivers/net/nlmon.c @@ -127,7 +127,8 @@ static void nlmon_setup(struct net_device *dev) dev->min_mtu = sizeof(struct nlmsghdr); } -static int nlmon_validate(struct nlattr *tb[], struct nlattr *data[]) +static int nlmon_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (tb[IFLA_ADDRESS]) return -EINVAL; diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index 8479c130fe2e..13028833bee3 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -1061,7 +1061,8 @@ static const struct nla_policy ppp_nl_policy[IFLA_PPP_MAX + 1] = { [IFLA_PPP_DEV_FD] = { .type = NLA_S32 }, }; -static int ppp_nl_validate(struct nlattr *tb[], struct nlattr *data[]) +static int ppp_nl_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (!data) return -EINVAL; diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index bbe97bb7c9cc..464570409796 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -2110,7 +2110,8 @@ static int team_newlink(struct net *src_net, struct net_device *dev, return register_netdevice(dev); } -static int team_validate(struct nlattr *tb[], struct nlattr *data[]) +static int team_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (tb[IFLA_ADDRESS]) { if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) diff --git a/drivers/net/tun.c b/drivers/net/tun.c index ae49f4b99b67..3d4c24572ecd 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1580,7 +1580,8 @@ static void tun_setup(struct net_device *dev) /* Trivial set of netlink ops to allow deleting tun or tap * device with netlink. */ -static int tun_validate(struct nlattr *tb[], struct nlattr *data[]) +static int tun_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { return -EINVAL; } diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 3db907cb7d07..b33553b1e19c 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -329,7 +329,8 @@ static void veth_setup(struct net_device *dev) * netlink interface */ -static int veth_validate(struct nlattr *tb[], struct nlattr *data[]) +static int veth_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (tb[IFLA_ADDRESS]) { if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) @@ -374,7 +375,7 @@ static int veth_newlink(struct net *src_net, struct net_device *dev, if (err < 0) return err; - err = veth_validate(peer_tb, NULL); + err = veth_validate(peer_tb, NULL, extack); if (err < 0) return err; diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 762f4d033e1b..f4d0054981c6 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -1372,7 +1372,8 @@ static void vrf_setup(struct net_device *dev) dev->priv_flags |= IFF_NO_QUEUE; } -static int vrf_validate(struct nlattr *tb[], struct nlattr *data[]) +static int vrf_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (tb[IFLA_ADDRESS]) { if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 60c40349e73e..0dafd8e6c665 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2711,7 +2711,8 @@ static const struct nla_policy vxlan_policy[IFLA_VXLAN_MAX + 1] = { [IFLA_VXLAN_REMCSUM_NOPARTIAL] = { .type = NLA_FLAG }, }; -static int vxlan_validate(struct nlattr *tb[], struct nlattr *data[]) +static int vxlan_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (tb[IFLA_ADDRESS]) { if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) { diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h index f7d0320f75b0..11fe0ad60e43 100644 --- a/include/net/rtnetlink.h +++ b/include/net/rtnetlink.h @@ -63,7 +63,8 @@ struct rtnl_link_ops { int maxtype; const struct nla_policy *policy; int (*validate)(struct nlattr *tb[], - struct nlattr *data[]); + struct nlattr *data[], + struct netlink_ext_ack *extack); int (*newlink)(struct net *src_net, struct net_device *dev, diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c index f08b5e192e45..5e831de3103e 100644 --- a/net/8021q/vlan_netlink.c +++ b/net/8021q/vlan_netlink.c @@ -39,7 +39,8 @@ static inline int vlan_validate_qos_map(struct nlattr *attr) NULL); } -static int vlan_validate(struct nlattr *tb[], struct nlattr *data[]) +static int vlan_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { struct ifla_vlan_flags *flags; u16 id; diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 37e4ec2953b2..9af177ca4d31 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -858,7 +858,9 @@ int br_dellink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags) return err; } -static int br_validate(struct nlattr *tb[], struct nlattr *data[]) + +static int br_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (tb[IFLA_ADDRESS]) { if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index bac81d1bb24d..7136588e65e9 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2582,7 +2582,7 @@ static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, data = attr; } if (ops->validate) { - err = ops->validate(tb, data); + err = ops->validate(tb, data, extack); if (err < 0) return err; } diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c index 1a4c585f3950..de2661cd0328 100644 --- a/net/ieee802154/6lowpan/core.c +++ b/net/ieee802154/6lowpan/core.c @@ -111,7 +111,8 @@ static void lowpan_setup(struct net_device *ldev) ldev->features |= NETIF_F_NETNS_LOCAL; } -static int lowpan_validate(struct nlattr *tb[], struct nlattr *data[]) +static int lowpan_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { if (tb[IFLA_ADDRESS]) { if (nla_len(tb[IFLA_ADDRESS]) != IEEE802154_ADDR_LEN) diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index a63985c4bec7..7a7829e839c2 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -779,7 +779,8 @@ static struct pernet_operations ipgre_net_ops = { .size = sizeof(struct ip_tunnel_net), }; -static int ipgre_tunnel_validate(struct nlattr *tb[], struct nlattr *data[]) +static int ipgre_tunnel_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { __be16 flags; @@ -802,7 +803,8 @@ static int ipgre_tunnel_validate(struct nlattr *tb[], struct nlattr *data[]) return 0; } -static int ipgre_tap_validate(struct nlattr *tb[], struct nlattr *data[]) +static int ipgre_tap_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { __be32 daddr; @@ -823,7 +825,7 @@ static int ipgre_tap_validate(struct nlattr *tb[], struct nlattr *data[]) } out: - return ipgre_tunnel_validate(tb, data); + return ipgre_tunnel_validate(tb, data, extack); } static int ipgre_netlink_parms(struct net_device *dev, diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c index 24acff67a4f2..0192c255e508 100644 --- a/net/ipv4/ip_vti.c +++ b/net/ipv4/ip_vti.c @@ -465,7 +465,8 @@ static struct pernet_operations vti_net_ops = { .size = sizeof(struct ip_tunnel_net), }; -static int vti_tunnel_validate(struct nlattr *tb[], struct nlattr *data[]) +static int vti_tunnel_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { return 0; } diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index eb7fe7b0046f..fb1ad22b5e29 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -375,7 +375,8 @@ static int ipip_tunnel_init(struct net_device *dev) return ip_tunnel_init(dev); } -static int ipip_tunnel_validate(struct nlattr *tb[], struct nlattr *data[]) +static int ipip_tunnel_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { u8 proto; diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 7232b28425f3..67ff2aaf5dcb 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -1170,7 +1170,8 @@ static struct pernet_operations ip6gre_net_ops = { .size = sizeof(struct ip6gre_net), }; -static int ip6gre_tunnel_validate(struct nlattr *tb[], struct nlattr *data[]) +static int ip6gre_tunnel_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { __be16 flags; @@ -1188,7 +1189,8 @@ static int ip6gre_tunnel_validate(struct nlattr *tb[], struct nlattr *data[]) return 0; } -static int ip6gre_tap_validate(struct nlattr *tb[], struct nlattr *data[]) +static int ip6gre_tap_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { struct in6_addr daddr; @@ -1209,7 +1211,7 @@ static int ip6gre_tap_validate(struct nlattr *tb[], struct nlattr *data[]) } out: - return ip6gre_tunnel_validate(tb, data); + return ip6gre_tunnel_validate(tb, data, extack); } diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index d9f60a173107..3a0ba2ae4b0f 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1885,7 +1885,8 @@ static int __net_init ip6_fb_tnl_dev_init(struct net_device *dev) return 0; } -static int ip6_tnl_validate(struct nlattr *tb[], struct nlattr *data[]) +static int ip6_tnl_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { u8 proto; diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index 2afdddb48e69..486c2305f53c 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -907,7 +907,8 @@ static int __net_init vti6_fb_tnl_dev_init(struct net_device *dev) return 0; } -static int vti6_validate(struct nlattr *tb[], struct nlattr *data[]) +static int vti6_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { return 0; } diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index b8000429f78d..e9958b1398cb 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -1406,7 +1406,8 @@ static void __net_init ipip6_fb_tunnel_init(struct net_device *dev) rcu_assign_pointer(sitn->tunnels_wc[0], tunnel); } -static int ipip6_validate(struct nlattr *tb[], struct nlattr *data[]) +static int ipip6_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) { u8 proto;

[net-next,v2,3/5] net: add netlink_ext_ack argument to rtnl_link_ops.validate

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