net: rtnetlink: plumb extended ack to doit function

Add netlink_ext_ack arg to rtnl_doit_func. Pass extack arg to nlmsg_parse
for doit functions that call it directly.

This is the first step to using extended error reporting in rtnetlink.
>From here individual subsystems can be updated to set netlink_ext_ack as
needed.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
2017-04-16 09:48:24 -07:00
committed by David S. Miller
parent af3b5158b8
commit c21ef3e343
26 changed files with 162 additions and 99 deletions

View File

@@ -61,7 +61,8 @@ static const struct nla_policy ifa_phonet_policy[IFA_MAX+1] = {
[IFA_LOCAL] = { .type = NLA_U8 },
};
static int addr_doit(struct sk_buff *skb, struct nlmsghdr *nlh)
static int addr_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
struct netlink_ext_ack *extack)
{
struct net *net = sock_net(skb->sk);
struct nlattr *tb[IFA_MAX+1];
@@ -79,7 +80,7 @@ static int addr_doit(struct sk_buff *skb, struct nlmsghdr *nlh)
ASSERT_RTNL();
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFA_MAX, ifa_phonet_policy,
NULL);
extack);
if (err < 0)
return err;
@@ -227,7 +228,8 @@ static const struct nla_policy rtm_phonet_policy[RTA_MAX+1] = {
[RTA_OIF] = { .type = NLA_U32 },
};
static int route_doit(struct sk_buff *skb, struct nlmsghdr *nlh)
static int route_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
struct netlink_ext_ack *extack)
{
struct net *net = sock_net(skb->sk);
struct nlattr *tb[RTA_MAX+1];
@@ -245,7 +247,7 @@ static int route_doit(struct sk_buff *skb, struct nlmsghdr *nlh)
ASSERT_RTNL();
err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_phonet_policy,
NULL);
extack);
if (err < 0)
return err;