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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>
This commit is contained in:
Alexander Aring 2018-01-18 11:20:51 -05:00 committed by David S. Miller
parent c35a4acc29
commit 7306db38a6
13 changed files with 20 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/net/sch_generic.h
View File

@ -239,7 +239,8 @@ 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 *tp, void *arg,
bool *last);
void (*walk)(struct tcf_proto*, struct tcf_walker *arg);

3
net/sched/cls_api.c
View File

@ -1231,7 +1231,8 @@ replay:
}
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);

3
net/sched/cls_basic.c
View File

@ -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);

2
net/sched/cls_bpf.c
View File

@ -452,7 +452,7 @@ 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;

3
net/sched/cls_cgroup.c
View File

@ -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);

2
net/sched/cls_flow.c
View File

@ -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;

2
net/sched/cls_flower.c
View File

@ -853,7 +853,7 @@ 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;

2
net/sched/cls_fw.c
View File

@ -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;

2
net/sched/cls_matchall.c
View File

@ -160,7 +160,7 @@ 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];

3
net/sched/cls_route.c
View File

@ -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;

2
net/sched/cls_rsvp.h
View File

@ -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;

3
net/sched/cls_tcindex.c
View File

@ -520,7 +520,8 @@ errout:
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];

3
net/sched/cls_u32.c
View File

@ -893,7 +893,8 @@ 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;