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net: rtnetlink: plumb extended ack to doit function

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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
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15
net/core/neighbour.c
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@@ -1590,7 +1590,8 @@ static struct neigh_table *neigh_find_table(int family)
return tbl;
}
static int neigh_delete(struct sk_buff *skb, struct nlmsghdr *nlh)
static int neigh_delete(struct sk_buff *skb, struct nlmsghdr *nlh,
struct netlink_ext_ack *extack)
{
struct net *net = sock_net(skb->sk);
struct ndmsg *ndm;
@@ -1648,7 +1649,8 @@ out:
return err;
}
static int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh)
static int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh,
struct netlink_ext_ack *extack)
{
int flags = NEIGH_UPDATE_F_ADMIN | NEIGH_UPDATE_F_OVERRIDE;
struct net *net = sock_net(skb->sk);
@@ -1661,7 +1663,7 @@ static int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh)
int err;
ASSERT_RTNL();
err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX, NULL, NULL);
err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX, NULL, extack);
if (err < 0)
goto out;
@@ -1936,7 +1938,8 @@ static const struct nla_policy nl_ntbl_parm_policy[NDTPA_MAX+1] = {
[NDTPA_LOCKTIME] = { .type = NLA_U64 },
};
static int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh)
static int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh,
struct netlink_ext_ack *extack)
{
struct net *net = sock_net(skb->sk);
struct neigh_table *tbl;
@@ -1946,7 +1949,7 @@ static int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh)
int err, tidx;
err = nlmsg_parse(nlh, sizeof(*ndtmsg), tb, NDTA_MAX,
nl_neightbl_policy, NULL);
nl_neightbl_policy, extack);
if (err < 0)
goto errout;
@@ -1984,7 +1987,7 @@ static int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh)
int i, ifindex = 0;
err = nla_parse_nested(tbp, NDTPA_MAX, tb[NDTA_PARMS],
nl_ntbl_parm_policy, NULL);
nl_ntbl_parm_policy, extack);
if (err < 0)
goto errout_tbl_lock;