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Message-Id: <20180116213839.24537-2-jakub.kicinski@netronome.com>
Date: Tue, 16 Jan 2018 13:38:29 -0800
From: Jakub Kicinski <jakub.kicinski@...ronome.com>
To: davem@...emloft.net, daniel@...earbox.net,
alexei.starovoitov@...il.com, netdev@...r.kernel.org
Cc: dsahern@...il.com, oss-drivers@...ronome.com, jiri@...nulli.us,
john.fastabend@...il.com, jhs@...atatu.com, gerlitz.or@...il.com,
aring@...atatu.com, xiyou.wangcong@...il.com,
Quentin Monnet <quentin.monnet@...ronome.com>
Subject: [PATCH bpf-next v3 01/11] net: sched: add extack support to change() classifier operation
From: Quentin Monnet <quentin.monnet@...ronome.com>
Add an extra argument to `->change()` operation for passing a pointer to
a struct netlink_ext_ack. Update the operation for all classifiers
accordingly. Extack is not used at this point.
Signed-off-by: Quentin Monnet <quentin.monnet@...ronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
---
include/net/sch_generic.h | 3 ++-
net/sched/cls_api.c | 3 ++-
net/sched/cls_basic.c | 3 ++-
net/sched/cls_bpf.c | 2 +-
net/sched/cls_cgroup.c | 3 ++-
net/sched/cls_flow.c | 2 +-
net/sched/cls_flower.c | 2 +-
net/sched/cls_fw.c | 2 +-
net/sched/cls_matchall.c | 2 +-
net/sched/cls_route.c | 3 ++-
net/sched/cls_rsvp.h | 2 +-
net/sched/cls_tcindex.c | 3 ++-
net/sched/cls_u32.c | 3 ++-
13 files changed, 20 insertions(+), 13 deletions(-)
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index ac029d5d88e4..5e77f2639c67 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -232,7 +232,8 @@ struct tcf_proto_ops {
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*, void *, bool*);
void (*walk)(struct tcf_proto*, struct tcf_walker *arg);
void (*bind_class)(void *, u32, unsigned long);
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 6708b6953bfa..0460cc22d48c 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -912,7 +912,8 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n,
}
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 5f169ded347e..2cc38cd71938 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -175,7 +175,8 @@ static int basic_set_parms(struct net *net, struct tcf_proto *tp,
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 8d78e7f4ecc3..fcb831b3917e 100644
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -449,7 +449,7 @@ static int cls_bpf_set_parms(struct net *net, struct tcf_proto *tp,
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 309d5899265f..b74af0b55820 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -91,7 +91,8 @@ static void cls_cgroup_destroy_rcu(struct rcu_head *root)
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 25c2a888e1f0..e944f01d5394 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -401,7 +401,7 @@ static void flow_destroy_filter(struct rcu_head *head)
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 6132a7317efa..998ee4faf934 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -852,7 +852,7 @@ static int fl_set_parms(struct net *net, struct tcf_proto *tp,
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 20f0de1a960a..72784491ce20 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -257,7 +257,7 @@ static int fw_set_parms(struct net *net, struct tcf_proto *tp,
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 66d4e0099158..dc3c57116bbd 100644
--- a/net/sched/cls_matchall.c
+++ b/net/sched/cls_matchall.c
@@ -159,7 +159,7 @@ static int mall_set_parms(struct net *net, struct tcf_proto *tp,
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 ac9a5b8825b9..bf305db65de0 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -471,7 +471,8 @@ static int route4_set_parms(struct net *net, struct tcf_proto *tp,
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 cf325625c99d..d1f67529c01d 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -486,7 +486,7 @@ static int rsvp_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 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 67467ae24c97..0ec84cf2d6b7 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -520,7 +520,8 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
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 507859cdd1cb..3ef5c32741c1 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -892,7 +892,8 @@ static struct tc_u_knode *u32_init_knode(struct tcf_proto *tp,
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;
--
2.15.1
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