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net: sched: act: add extack for walk callback

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This patch adds extack support for act walker callback api. This
prepares to handle extack support inside each specific act
implementation.

Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Aring 2018-02-15 10:54:58 -05:00 committed by David S. Miller
parent 331a9295de
commit 417801055b
18 changed files with 38 additions and 20 deletions
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3
include/net/act_api.h
View file

@ -94,7 +94,8 @@ struct tc_action_ops {
int bind, struct netlink_ext_ack *extack);
int (*walk)(struct net *, struct sk_buff *,
struct netlink_callback *, int,
const struct tc_action_ops *);
const struct tc_action_ops *,
struct netlink_ext_ack *);
void (*stats_update)(struct tc_action *, u64, u32, u64);
struct net_device *(*get_dev)(const struct tc_action *a);
};

4
net/sched/act_api.c
View file

@ -963,7 +963,7 @@ static int tca_action_flush(struct net *net, struct nlattr *nla,
goto out_module_put;
}
err = ops->walk(net, skb, &dcb, RTM_DELACTION, ops);
err = ops->walk(net, skb, &dcb, RTM_DELACTION, ops, extack);
if (err <= 0) {
nla_nest_cancel(skb, nest);
goto out_module_put;
@ -1255,7 +1255,7 @@ static int tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
if (nest == NULL)
goto out_module_put;
ret = a_o->walk(net, skb, cb, RTM_GETACTION, a_o);
ret = a_o->walk(net, skb, cb, RTM_GETACTION, a_o, NULL);
if (ret < 0)
goto out_module_put;

3
net/sched/act_bpf.c
View file

@ -367,7 +367,8 @@ static void tcf_bpf_cleanup(struct tc_action *act)
static int tcf_bpf_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, bpf_net_id);

3
net/sched/act_connmark.c
View file

@ -177,7 +177,8 @@ static inline int tcf_connmark_dump(struct sk_buff *skb, struct tc_action *a,
static int tcf_connmark_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, connmark_net_id);

3
net/sched/act_csum.c
View file

@ -631,7 +631,8 @@ static void tcf_csum_cleanup(struct tc_action *a)
static int tcf_csum_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, csum_net_id);

3
net/sched/act_gact.c
View file

@ -201,7 +201,8 @@ static int tcf_gact_dump(struct sk_buff *skb, struct tc_action *a,
static int tcf_gact_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, gact_net_id);

3
net/sched/act_ife.c
View file

@ -824,7 +824,8 @@ static int tcf_ife_act(struct sk_buff *skb, const struct tc_action *a,
static int tcf_ife_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, ife_net_id);

6
net/sched/act_ipt.c
View file

@ -303,7 +303,8 @@ static int tcf_ipt_dump(struct sk_buff *skb, struct tc_action *a, int bind,
static int tcf_ipt_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, ipt_net_id);
@ -352,7 +353,8 @@ static struct pernet_operations ipt_net_ops = {
static int tcf_xt_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, xt_net_id);

3
net/sched/act_mirred.c
View file

@ -265,7 +265,8 @@ static int tcf_mirred_dump(struct sk_buff *skb, struct tc_action *a, int bind,
static int tcf_mirred_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, mirred_net_id);

3
net/sched/act_nat.c
View file

@ -278,7 +278,8 @@ static int tcf_nat_dump(struct sk_buff *skb, struct tc_action *a,
static int tcf_nat_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, nat_net_id);

3
net/sched/act_pedit.c
View file

@ -419,7 +419,8 @@ static int tcf_pedit_dump(struct sk_buff *skb, struct tc_action *a,
static int tcf_pedit_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, pedit_net_id);

3
net/sched/act_police.c
View file

@ -58,7 +58,8 @@ static struct tc_action_ops act_police_ops;
static int tcf_act_police_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, police_net_id);

3
net/sched/act_sample.c
View file

@ -202,7 +202,8 @@ static int tcf_sample_dump(struct sk_buff *skb, struct tc_action *a,
static int tcf_sample_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, sample_net_id);

3
net/sched/act_simple.c
View file

@ -170,7 +170,8 @@ static int tcf_simp_dump(struct sk_buff *skb, struct tc_action *a,
static int tcf_simp_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, simp_net_id);

3
net/sched/act_skbedit.c
View file

@ -208,7 +208,8 @@ static int tcf_skbedit_dump(struct sk_buff *skb, struct tc_action *a,
static int tcf_skbedit_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, skbedit_net_id);

3
net/sched/act_skbmod.c
View file

@ -232,7 +232,8 @@ static int tcf_skbmod_dump(struct sk_buff *skb, struct tc_action *a,
static int tcf_skbmod_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, skbmod_net_id);

3
net/sched/act_tunnel_key.c
View file

@ -291,7 +291,8 @@ static int tunnel_key_dump(struct sk_buff *skb, struct tc_action *a,
static int tunnel_key_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, tunnel_key_net_id);

3
net/sched/act_vlan.c
View file

@ -267,7 +267,8 @@ static int tcf_vlan_dump(struct sk_buff *skb, struct tc_action *a,
static int tcf_vlan_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
const struct tc_action_ops *ops)
const struct tc_action_ops *ops,
struct netlink_ext_ack *extack)
{
struct tc_action_net *tn = net_generic(net, vlan_net_id);