net: sched: cls: add extack support for change callback
This patch adds extack support for classifier change callback api. This
prepares to handle extack support inside each specific classifier
implementation.
Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index c90f5fe..ee398bc 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -239,7 +239,8 @@
int (*change)(struct net *net, struct sk_buff *,
struct tcf_proto*, unsigned long,
u32 handle, struct nlattr **,
- void **, bool);
+ void **, bool,
+ struct netlink_ext_ack *);
int (*delete)(struct tcf_proto *tp, void *arg,
bool *last);
void (*walk)(struct tcf_proto*, struct tcf_walker *arg);
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 3e3841a..06797c2 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -1231,7 +1231,8 @@
}
err = tp->ops->change(net, skb, tp, cl, t->tcm_handle, tca, &fh,
- n->nlmsg_flags & NLM_F_CREATE ? TCA_ACT_NOREPLACE : TCA_ACT_REPLACE);
+ n->nlmsg_flags & NLM_F_CREATE ? TCA_ACT_NOREPLACE : TCA_ACT_REPLACE,
+ extack);
if (err == 0) {
if (tp_created)
tcf_chain_tp_insert(chain, &chain_info, tp);
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c
index 5f169de..2cc38cd 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -175,7 +175,8 @@
static int basic_change(struct net *net, struct sk_buff *in_skb,
struct tcf_proto *tp, unsigned long base, u32 handle,
- struct nlattr **tca, void **arg, bool ovr)
+ struct nlattr **tca, void **arg, bool ovr,
+ struct netlink_ext_ack *extack)
{
int err;
struct basic_head *head = rtnl_dereference(tp->root);
diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c
index cf72aef..e51eb50 100644
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -452,7 +452,7 @@
static int cls_bpf_change(struct net *net, struct sk_buff *in_skb,
struct tcf_proto *tp, unsigned long base,
u32 handle, struct nlattr **tca,
- void **arg, bool ovr)
+ void **arg, bool ovr, struct netlink_ext_ack *extack)
{
struct cls_bpf_head *head = rtnl_dereference(tp->root);
struct cls_bpf_prog *oldprog = *arg;
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 309d589..b74af0b 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -91,7 +91,8 @@
static int cls_cgroup_change(struct net *net, struct sk_buff *in_skb,
struct tcf_proto *tp, unsigned long base,
u32 handle, struct nlattr **tca,
- void **arg, bool ovr)
+ void **arg, bool ovr,
+ struct netlink_ext_ack *extack)
{
struct nlattr *tb[TCA_CGROUP_MAX + 1];
struct cls_cgroup_head *head = rtnl_dereference(tp->root);
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index 28cd6fb..faa0b67 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -401,7 +401,7 @@
static int flow_change(struct net *net, struct sk_buff *in_skb,
struct tcf_proto *tp, unsigned long base,
u32 handle, struct nlattr **tca,
- void **arg, bool ovr)
+ void **arg, bool ovr, struct netlink_ext_ack *extack)
{
struct flow_head *head = rtnl_dereference(tp->root);
struct flow_filter *fold, *fnew;
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index f61df19..7d92bbe 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -853,7 +853,7 @@
static int fl_change(struct net *net, struct sk_buff *in_skb,
struct tcf_proto *tp, unsigned long base,
u32 handle, struct nlattr **tca,
- void **arg, bool ovr)
+ void **arg, bool ovr, struct netlink_ext_ack *extack)
{
struct cls_fl_head *head = rtnl_dereference(tp->root);
struct cls_fl_filter *fold = *arg;
diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 20f0de1..7278449 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -257,7 +257,7 @@
static int fw_change(struct net *net, struct sk_buff *in_skb,
struct tcf_proto *tp, unsigned long base,
u32 handle, struct nlattr **tca, void **arg,
- bool ovr)
+ bool ovr, struct netlink_ext_ack *extack)
{
struct fw_head *head = rtnl_dereference(tp->root);
struct fw_filter *f = *arg;
diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c
index aeae89e..689bd19 100644
--- a/net/sched/cls_matchall.c
+++ b/net/sched/cls_matchall.c
@@ -160,7 +160,7 @@
static int mall_change(struct net *net, struct sk_buff *in_skb,
struct tcf_proto *tp, unsigned long base,
u32 handle, struct nlattr **tca,
- void **arg, bool ovr)
+ void **arg, bool ovr, struct netlink_ext_ack *extack)
{
struct cls_mall_head *head = rtnl_dereference(tp->root);
struct nlattr *tb[TCA_MATCHALL_MAX + 1];
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index a1f2b1b..f436d4d 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -471,7 +471,8 @@
static int route4_change(struct net *net, struct sk_buff *in_skb,
struct tcf_proto *tp, unsigned long base, u32 handle,
- struct nlattr **tca, void **arg, bool ovr)
+ struct nlattr **tca, void **arg, bool ovr,
+ struct netlink_ext_ack *extack)
{
struct route4_head *head = rtnl_dereference(tp->root);
struct route4_filter __rcu **fp;
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index cf325625..d1f6752 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -486,7 +486,7 @@
struct tcf_proto *tp, unsigned long base,
u32 handle,
struct nlattr **tca,
- void **arg, bool ovr)
+ void **arg, bool ovr, struct netlink_ext_ack *extack)
{
struct rsvp_head *data = rtnl_dereference(tp->root);
struct rsvp_filter *f, *nfp;
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index 67467ae..0ec84cf 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -520,7 +520,8 @@
static int
tcindex_change(struct net *net, struct sk_buff *in_skb,
struct tcf_proto *tp, unsigned long base, u32 handle,
- struct nlattr **tca, void **arg, bool ovr)
+ struct nlattr **tca, void **arg, bool ovr,
+ struct netlink_ext_ack *extack)
{
struct nlattr *opt = tca[TCA_OPTIONS];
struct nlattr *tb[TCA_TCINDEX_MAX + 1];
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 84129b3..d9cadeb 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -893,7 +893,8 @@
static int u32_change(struct net *net, struct sk_buff *in_skb,
struct tcf_proto *tp, unsigned long base, u32 handle,
- struct nlattr **tca, void **arg, bool ovr)
+ struct nlattr **tca, void **arg, bool ovr,
+ struct netlink_ext_ack *extack)
{
struct tc_u_common *tp_c = tp->data;
struct tc_u_hnode *ht;