From: Alexander Aring <aring@mojatatu.com>
Date: Thu, 18 Jan 2018 11:20:53 -0500
Subject: net: sched: cls: add extack support for delete callback
Patch-mainline: v4.16-rc1
Git-commit: 571acf2106963d6c1c0ce1ed13e711bd296b2d25
References: bsc#1109837
This patch adds extack support for classifier delete 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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
include/net/sch_generic.h | 3 ++-
net/sched/cls_api.c | 2 +-
net/sched/cls_basic.c | 3 ++-
net/sched/cls_bpf.c | 3 ++-
net/sched/cls_cgroup.c | 3 ++-
net/sched/cls_flow.c | 3 ++-
net/sched/cls_flower.c | 3 ++-
net/sched/cls_fw.c | 3 ++-
net/sched/cls_matchall.c | 3 ++-
net/sched/cls_route.c | 3 ++-
net/sched/cls_rsvp.h | 3 ++-
net/sched/cls_tcindex.c | 5 +++--
net/sched/cls_u32.c | 3 ++-
13 files changed, 26 insertions(+), 14 deletions(-)
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -241,7 +241,8 @@ struct tcf_proto_ops {
void **, bool,
struct netlink_ext_ack *);
int (*delete)(struct tcf_proto *tp, void *arg,
- bool *last);
+ bool *last,
+ struct netlink_ext_ack *);
void (*walk)(struct tcf_proto*, struct tcf_walker *arg);
void (*bind_class)(void *, u32, unsigned long);
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -955,7 +955,7 @@ static int tfilter_del_notify(struct net
return -EINVAL;
}
- err = tp->ops->delete(tp, fh, last);
+ err = tp->ops->delete(tp, fh, last, extack);
if (err) {
kfree_skb(skb);
return err;
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -130,7 +130,8 @@ static void basic_destroy(struct tcf_pro
kfree_rcu(head, rcu);
}
-static int basic_delete(struct tcf_proto *tp, void *arg, bool *last)
+static int basic_delete(struct tcf_proto *tp, void *arg, bool *last,
+ struct netlink_ext_ack *extack)
{
struct basic_head *head = rtnl_dereference(tp->root);
struct basic_filter *f = arg;
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -302,7 +302,8 @@ static void __cls_bpf_delete(struct tcf_
__cls_bpf_delete_prog(prog);
}
-static int cls_bpf_delete(struct tcf_proto *tp, void *arg, bool *last)
+static int cls_bpf_delete(struct tcf_proto *tp, void *arg, bool *last,
+ struct netlink_ext_ack *extack)
{
struct cls_bpf_head *head = rtnl_dereference(tp->root);
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -156,7 +156,8 @@ static void cls_cgroup_destroy(struct tc
}
}
-static int cls_cgroup_delete(struct tcf_proto *tp, void *arg, bool *last)
+static int cls_cgroup_delete(struct tcf_proto *tp, void *arg, bool *last,
+ struct netlink_ext_ack *extack)
{
return -EOPNOTSUPP;
}
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -576,7 +576,8 @@ err1:
return err;
}
-static int flow_delete(struct tcf_proto *tp, void *arg, bool *last)
+static int flow_delete(struct tcf_proto *tp, void *arg, bool *last,
+ struct netlink_ext_ack *extack)
{
struct flow_head *head = rtnl_dereference(tp->root);
struct flow_filter *f = arg;
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -984,7 +984,8 @@ errout_tb:
return err;
}
-static int fl_delete(struct tcf_proto *tp, void *arg, bool *last)
+static int fl_delete(struct tcf_proto *tp, void *arg, bool *last,
+ struct netlink_ext_ack *extack)
{
struct cls_fl_head *head = rtnl_dereference(tp->root);
struct cls_fl_filter *f = arg;
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -172,7 +172,8 @@ static void fw_destroy(struct tcf_proto
kfree_rcu(head, rcu);
}
-static int fw_delete(struct tcf_proto *tp, void *arg, bool *last)
+static int fw_delete(struct tcf_proto *tp, void *arg, bool *last,
+ struct netlink_ext_ack *extack)
{
struct fw_head *head = rtnl_dereference(tp->root);
struct fw_filter *f = arg;
--- a/net/sched/cls_matchall.c
+++ b/net/sched/cls_matchall.c
@@ -225,7 +225,8 @@ err_exts_init:
return err;
}
-static int mall_delete(struct tcf_proto *tp, void *arg, bool *last)
+static int mall_delete(struct tcf_proto *tp, void *arg, bool *last,
+ struct netlink_ext_ack *extack)
{
return -EOPNOTSUPP;
}
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -316,7 +316,8 @@ static void route4_destroy(struct tcf_pr
kfree_rcu(head, rcu);
}
-static int route4_delete(struct tcf_proto *tp, void *arg, bool *last)
+static int route4_delete(struct tcf_proto *tp, void *arg, bool *last,
+ struct netlink_ext_ack *extack)
{
struct route4_head *head = rtnl_dereference(tp->root);
struct route4_filter *f = arg;
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -350,7 +350,8 @@ static void rsvp_destroy(struct tcf_prot
kfree_rcu(data, rcu);
}
-static int rsvp_delete(struct tcf_proto *tp, void *arg, bool *last)
+static int rsvp_delete(struct tcf_proto *tp, void *arg, bool *last,
+ struct netlink_ext_ack *extack)
{
struct rsvp_head *head = rtnl_dereference(tp->root);
struct rsvp_filter *nfp, *f = arg;
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -193,7 +193,8 @@ static void tcindex_destroy_fexts(struct
tcf_queue_work(&f->work);
}
-static int tcindex_delete(struct tcf_proto *tp, void *arg, bool *last)
+static int tcindex_delete(struct tcf_proto *tp, void *arg, bool *last,
+ struct netlink_ext_ack *extack)
{
struct tcindex_data *p = rtnl_dereference(tp->root);
struct tcindex_filter_result *r = arg;
@@ -246,7 +247,7 @@ static int tcindex_destroy_element(struc
{
bool last;
- return tcindex_delete(tp, arg, &last);
+ return tcindex_delete(tp, arg, &last, NULL);
}
static void __tcindex_destroy(struct rcu_head *head)
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -673,7 +673,8 @@ static void u32_destroy(struct tcf_proto
tp->data = NULL;
}
-static int u32_delete(struct tcf_proto *tp, void *arg, bool *last)
+static int u32_delete(struct tcf_proto *tp, void *arg, bool *last,
+ struct netlink_ext_ack *extack)
{
struct tc_u_hnode *ht = arg;
struct tc_u_hnode *root_ht = rtnl_dereference(tp->root);