net: sched: act: add extack to init

This patch adds extack to tcf_action_init and tcf_action_init_1
functions. These are necessary to make individual extack handling in
each act implementation.

Based on work by David Ahern <dsahern@gmail.com>

Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/act_api.h b/include/net/act_api.h
index 32ef544..41d9593 100644 (file)
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -163,10 +163,11 @@ int tcf_action_exec(struct sk_buff *skb, struct tc_action **actions,
                    int nr_actions, struct tcf_result *res);
 int tcf_action_init(struct net *net, struct tcf_proto *tp, struct nlattr *nla,
                    struct nlattr *est, char *name, int ovr, int bind,
-                   struct list_head *actions);
+                   struct list_head *actions, struct netlink_ext_ack *extack);
 struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp,
                                    struct nlattr *nla, struct nlattr *est,
-                                   char *name, int ovr, int bind);
+                                   char *name, int ovr, int bind,
+                                   struct netlink_ext_ack *extack);
 int tcf_action_dump(struct sk_buff *skb, struct list_head *, int, int);
 int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int);
 int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int);

diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index a32e6c2..6625746 100644 (file)
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -605,7 +605,8 @@ static struct tc_cookie *nla_memdup_cookie(struct nlattr **tb)
 
 struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp,
                                    struct nlattr *nla, struct nlattr *est,
-                                   char *name, int ovr, int bind)
+                                   char *name, int ovr, int bind,
+                                   struct netlink_ext_ack *extack)
 {
        struct tc_action *a;
        struct tc_action_ops *a_o;
@@ -726,7 +727,7 @@ static void cleanup_a(struct list_head *actions, int ovr)
 
 int tcf_action_init(struct net *net, struct tcf_proto *tp, struct nlattr *nla,
                    struct nlattr *est, char *name, int ovr, int bind,
-                   struct list_head *actions)
+                   struct list_head *actions, struct netlink_ext_ack *extack)
 {
        struct nlattr *tb[TCA_ACT_MAX_PRIO + 1];
        struct tc_action *act;
@@ -738,7 +739,8 @@ int tcf_action_init(struct net *net, struct tcf_proto *tp, struct nlattr *nla,
                return err;
 
        for (i = 1; i <= TCA_ACT_MAX_PRIO && tb[i]; i++) {
-               act = tcf_action_init_1(net, tp, tb[i], est, name, ovr, bind);
+               act = tcf_action_init_1(net, tp, tb[i], est, name, ovr, bind,
+                                       extack);
                if (IS_ERR(act)) {
                        err = PTR_ERR(act);
                        goto err;
@@ -1062,12 +1064,14 @@ tcf_add_notify(struct net *net, struct nlmsghdr *n, struct list_head *actions,
 }
 
 static int tcf_action_add(struct net *net, struct nlattr *nla,
-                         struct nlmsghdr *n, u32 portid, int ovr)
+                         struct nlmsghdr *n, u32 portid, int ovr,
+                         struct netlink_ext_ack *extack)
 {
        int ret = 0;
        LIST_HEAD(actions);
 
-       ret = tcf_action_init(net, NULL, nla, NULL, NULL, ovr, 0, &actions);
+       ret = tcf_action_init(net, NULL, nla, NULL, NULL, ovr, 0, &actions,
+                             extack);
        if (ret)
                return ret;
 
@@ -1115,7 +1119,8 @@ static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n,
                if (n->nlmsg_flags & NLM_F_REPLACE)
                        ovr = 1;
 replay:
-               ret = tcf_action_add(net, tca[TCA_ACT_TAB], n, portid, ovr);
+               ret = tcf_action_add(net, tca[TCA_ACT_TAB], n, portid, ovr,
+                                    extack);
                if (ret == -EAGAIN)
                        goto replay;
                break;

diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 2bc1bc2..f21610c 100644 (file)
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -1434,7 +1434,7 @@ int tcf_exts_validate(struct net *net, struct tcf_proto *tp, struct nlattr **tb,
                if (exts->police && tb[exts->police]) {
                        act = tcf_action_init_1(net, tp, tb[exts->police],
                                                rate_tlv, "police", ovr,
-                                               TCA_ACT_BIND);
+                                               TCA_ACT_BIND, extack);
                        if (IS_ERR(act))
                                return PTR_ERR(act);
 
@@ -1447,7 +1447,7 @@ int tcf_exts_validate(struct net *net, struct tcf_proto *tp, struct nlattr **tb,
 
                        err = tcf_action_init(net, tp, tb[exts->action],
                                              rate_tlv, NULL, ovr, TCA_ACT_BIND,
-                                             &actions);
+                                             &actions, extack);
                        if (err)
                                return err;
                        list_for_each_entry(act, &actions, list)