[jpirko-mlxsw:petrm_leftovers 31/33] net/sched/act_dpxfer.c:15:9: error: 'TC_ACT_OK' undeclared

From: kernel test robot
Date: Thu Nov 04 2021 - 21:08:36 EST

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tree: https://github.com/jpirko/linux_mlxsw petrm_leftovers
head: 99db5530c934193451b2a6d90792f37ac803ea93
commit: 82da66831b70737dfca05d0da5318181965b56c0 [31/33] dpxfer xxx
config: i386-randconfig-s032-20211104 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://github.com/jpirko/linux_mlxsw/commit/82da66831b70737dfca05d0da5318181965b56c0
git remote add jpirko-mlxsw https://github.com/jpirko/linux_mlxsw
git fetch --no-tags jpirko-mlxsw petrm_leftovers
git checkout 82da66831b70737dfca05d0da5318181965b56c0
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

net/sched/act_dpxfer.c:13:13: warning: 'struct tcf_result' declared inside parameter list will not be visible outside of this definition or declaration
13 | struct tcf_result *res)
| ^~~~~~~~~~
net/sched/act_dpxfer.c:12:61: warning: 'struct tc_action' declared inside parameter list will not be visible outside of this definition or declaration
12 | static int tcf_dpxfer_act(struct sk_buff *skb, const struct tc_action *a,
| ^~~~~~~~~
net/sched/act_dpxfer.c:12:34: warning: 'struct sk_buff' declared inside parameter list will not be visible outside of this definition or declaration
12 | static int tcf_dpxfer_act(struct sk_buff *skb, const struct tc_action *a,
| ^~~~~~~
net/sched/act_dpxfer.c: In function 'tcf_dpxfer_act':
>> net/sched/act_dpxfer.c:15:9: error: 'TC_ACT_OK' undeclared (first use in this function)
15 | return TC_ACT_OK;
| ^~~~~~~~~
net/sched/act_dpxfer.c:15:9: note: each undeclared identifier is reported only once for each function it appears in
net/sched/act_dpxfer.c: At top level:
net/sched/act_dpxfer.c:18:56: warning: 'struct tc_action' declared inside parameter list will not be visible outside of this definition or declaration
18 | static int tcf_dpxfer_dump(struct sk_buff *skb, struct tc_action *a, int bind,
| ^~~~~~~~~
net/sched/act_dpxfer.c:18:35: warning: 'struct sk_buff' declared inside parameter list will not be visible outside of this definition or declaration
18 | static int tcf_dpxfer_dump(struct sk_buff *skb, struct tc_action *a, int bind,
| ^~~~~~~
net/sched/act_dpxfer.c: In function 'tcf_dpxfer_dump':
>> net/sched/act_dpxfer.c:21:21: error: implicit declaration of function 'skb_tail_pointer' [-Werror=implicit-function-declaration]
21 | unsigned char *b = skb_tail_pointer(skb);
| ^~~~~~~~~~~~~~~~
net/sched/act_dpxfer.c:21:21: warning: initialization of 'unsigned char *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
>> net/sched/act_dpxfer.c:22:25: error: implicit declaration of function 'to_dpxfer' [-Werror=implicit-function-declaration]
22 | struct tcf_dpxfer *s = to_dpxfer(a);
| ^~~~~~~~~
net/sched/act_dpxfer.c:22:25: warning: initialization of 'struct tcf_dpxfer *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
>> net/sched/act_dpxfer.c:23:9: error: variable 'opt' has initializer but incomplete type
23 | struct tc_dpxfer opt = {
| ^~~~~~~~~
>> net/sched/act_dpxfer.c:24:4: error: 'struct tc_dpxfer' has no member named 'index'
24 | .index = s->tcf_index,
| ^~~~~
>> net/sched/act_dpxfer.c:24:18: error: dereferencing pointer to incomplete type 'struct tcf_dpxfer'
24 | .index = s->tcf_index,
| ^~
net/sched/act_dpxfer.c:24:17: warning: excess elements in struct initializer
24 | .index = s->tcf_index,
| ^
net/sched/act_dpxfer.c:24:17: note: (near initialization for 'opt')
>> net/sched/act_dpxfer.c:25:4: error: 'struct tc_dpxfer' has no member named 'refcnt'
25 | .refcnt = refcount_read(&s->tcf_refcnt) - ref,
| ^~~~~~
>> net/sched/act_dpxfer.c:25:17: error: implicit declaration of function 'refcount_read' [-Werror=implicit-function-declaration]
25 | .refcnt = refcount_read(&s->tcf_refcnt) - ref,
| ^~~~~~~~~~~~~
net/sched/act_dpxfer.c:25:17: warning: excess elements in struct initializer
net/sched/act_dpxfer.c:25:17: note: (near initialization for 'opt')
>> net/sched/act_dpxfer.c:26:4: error: 'struct tc_dpxfer' has no member named 'bindcnt'
26 | .bindcnt = atomic_read(&s->tcf_bindcnt) - bind,
| ^~~~~~~
>> net/sched/act_dpxfer.c:26:17: error: implicit declaration of function 'atomic_read' [-Werror=implicit-function-declaration]
26 | .bindcnt = atomic_read(&s->tcf_bindcnt) - bind,
| ^~~~~~~~~~~
net/sched/act_dpxfer.c:26:17: warning: excess elements in struct initializer
net/sched/act_dpxfer.c:26:17: note: (near initialization for 'opt')
>> net/sched/act_dpxfer.c:23:19: error: storage size of 'opt' isn't known
23 | struct tc_dpxfer opt = {
| ^~~
>> net/sched/act_dpxfer.c:28:15: error: storage size of 't' isn't known
28 | struct tcf_t t;
| ^
>> net/sched/act_dpxfer.c:30:2: error: implicit declaration of function 'spin_lock_bh' [-Werror=implicit-function-declaration]
30 | spin_lock_bh(&s->tcf_lock);
| ^~~~~~~~~~~~
>> net/sched/act_dpxfer.c:33:6: error: implicit declaration of function 'nla_put' [-Werror=implicit-function-declaration]
33 | if (nla_put(skb, TCA_DPXFER_PARMS, sizeof(opt), &opt))
| ^~~~~~~
>> net/sched/act_dpxfer.c:33:19: error: 'TCA_DPXFER_PARMS' undeclared (first use in this function)
33 | if (nla_put(skb, TCA_DPXFER_PARMS, sizeof(opt), &opt))
| ^~~~~~~~~~~~~~~~
>> net/sched/act_dpxfer.c:36:2: error: implicit declaration of function 'tcf_tm_dump' [-Werror=implicit-function-declaration]
36 | tcf_tm_dump(&t, &s->tcf_tm);
| ^~~~~~~~~~~
>> net/sched/act_dpxfer.c:37:6: error: implicit declaration of function 'nla_put_64bit' [-Werror=implicit-function-declaration]
37 | if (nla_put_64bit(skb, TCA_DPXFER_TM, sizeof(t), &t, TCA_DPXFER_PAD))
| ^~~~~~~~~~~~~
>> net/sched/act_dpxfer.c:37:25: error: 'TCA_DPXFER_TM' undeclared (first use in this function)
37 | if (nla_put_64bit(skb, TCA_DPXFER_TM, sizeof(t), &t, TCA_DPXFER_PAD))
| ^~~~~~~~~~~~~
>> net/sched/act_dpxfer.c:37:55: error: 'TCA_DPXFER_PAD' undeclared (first use in this function)
37 | if (nla_put_64bit(skb, TCA_DPXFER_TM, sizeof(t), &t, TCA_DPXFER_PAD))
| ^~~~~~~~~~~~~~
>> net/sched/act_dpxfer.c:40:2: error: implicit declaration of function 'spin_unlock_bh' [-Werror=implicit-function-declaration]
40 | spin_unlock_bh(&s->tcf_lock);
| ^~~~~~~~~~~~~~
net/sched/act_dpxfer.c:42:12: error: dereferencing pointer to incomplete type 'struct sk_buff'
42 | return skb->len;
| ^~
net/sched/act_dpxfer.c:46:2: error: implicit declaration of function 'nlmsg_trim' [-Werror=implicit-function-declaration]
46 | nlmsg_trim(skb, b);
| ^~~~~~~~~~
net/sched/act_dpxfer.c:28:15: warning: unused variable 't' [-Wunused-variable]
28 | struct tcf_t t;
| ^
net/sched/act_dpxfer.c:23:19: warning: unused variable 'opt' [-Wunused-variable]
23 | struct tc_dpxfer opt = {
| ^~~
net/sched/act_dpxfer.c: At top level:
net/sched/act_dpxfer.c:52:17: error: unknown type name 'bool'
52 | int bind, bool rtnl_held, struct tcf_proto *tp,
| ^~~~
net/sched/act_dpxfer.c:53:7: error: unknown type name 'u32'
53 | u32 flags, struct netlink_ext_ack *extack)
| ^~~
net/sched/act_dpxfer.c:193:15: error: variable 'act_dpxfer_ops' has initializer but incomplete type
193 | static struct tc_action_ops act_dpxfer_ops = {
| ^~~~~~~~~~~~~
net/sched/act_dpxfer.c:194:3: error: 'struct tc_action_ops' has no member named 'kind'
194 | .kind = "dpxfer",
| ^~~~
net/sched/act_dpxfer.c:194:11: warning: excess elements in struct initializer
194 | .kind = "dpxfer",
| ^~~~~~~~
net/sched/act_dpxfer.c:194:11: note: (near initialization for 'act_dpxfer_ops')
net/sched/act_dpxfer.c:195:3: error: 'struct tc_action_ops' has no member named 'id'
195 | .id = TCA_ID_DPXFER,
| ^~
net/sched/act_dpxfer.c:195:9: error: 'TCA_ID_DPXFER' undeclared here (not in a function)
195 | .id = TCA_ID_DPXFER,
| ^~~~~~~~~~~~~
net/sched/act_dpxfer.c:195:9: warning: excess elements in struct initializer
net/sched/act_dpxfer.c:195:9: note: (near initialization for 'act_dpxfer_ops')
net/sched/act_dpxfer.c:196:3: error: 'struct tc_action_ops' has no member named 'owner'
196 | .owner = THIS_MODULE,
| ^~~~~
net/sched/act_dpxfer.c:196:12: error: 'THIS_MODULE' undeclared here (not in a function); did you mean 'IS_MODULE'?
196 | .owner = THIS_MODULE,
| ^~~~~~~~~~~
| IS_MODULE
net/sched/act_dpxfer.c:196:12: warning: excess elements in struct initializer
net/sched/act_dpxfer.c:196:12: note: (near initialization for 'act_dpxfer_ops')
net/sched/act_dpxfer.c:197:3: error: 'struct tc_action_ops' has no member named 'act'
197 | .act = tcf_dpxfer_act,
| ^~~
net/sched/act_dpxfer.c:197:10: warning: excess elements in struct initializer
197 | .act = tcf_dpxfer_act,
| ^~~~~~~~~~~~~~
net/sched/act_dpxfer.c:197:10: note: (near initialization for 'act_dpxfer_ops')
net/sched/act_dpxfer.c:198:3: error: 'struct tc_action_ops' has no member named 'stats_update'
198 | .stats_update = tcf_stats_update,
| ^~~~~~~~~~~~
net/sched/act_dpxfer.c:198:18: error: 'tcf_stats_update' undeclared here (not in a function)
198 | .stats_update = tcf_stats_update,
| ^~~~~~~~~~~~~~~~
net/sched/act_dpxfer.c:198:18: warning: excess elements in struct initializer
net/sched/act_dpxfer.c:198:18: note: (near initialization for 'act_dpxfer_ops')
net/sched/act_dpxfer.c:199:3: error: 'struct tc_action_ops' has no member named 'dump'
199 | .dump = tcf_dpxfer_dump,
| ^~~~
net/sched/act_dpxfer.c:199:11: warning: excess elements in struct initializer
199 | .dump = tcf_dpxfer_dump,
| ^~~~~~~~~~~~~~~
net/sched/act_dpxfer.c:199:11: note: (near initialization for 'act_dpxfer_ops')
net/sched/act_dpxfer.c:200:3: error: 'struct tc_action_ops' has no member named 'init'
200 | .init = tcf_dpxfer_init,
| ^~~~
net/sched/act_dpxfer.c:200:11: error: 'tcf_dpxfer_init' undeclared here (not in a function); did you mean 'tcf_dpxfer_act'?
200 | .init = tcf_dpxfer_init,
| ^~~~~~~~~~~~~~~
| tcf_dpxfer_act
net/sched/act_dpxfer.c:200:11: warning: excess elements in struct initializer
net/sched/act_dpxfer.c:200:11: note: (near initialization for 'act_dpxfer_ops')
net/sched/act_dpxfer.c:201:3: error: 'struct tc_action_ops' has no member named 'walk'
201 | .walk = tcf_dpxfer_walker,
| ^~~~
net/sched/act_dpxfer.c:201:11: error: 'tcf_dpxfer_walker' undeclared here (not in a function); did you mean 'tcf_dpxfer_act'?
201 | .walk = tcf_dpxfer_walker,
| ^~~~~~~~~~~~~~~~~
| tcf_dpxfer_act
net/sched/act_dpxfer.c:201:11: warning: excess elements in struct initializer
net/sched/act_dpxfer.c:201:11: note: (near initialization for 'act_dpxfer_ops')
net/sched/act_dpxfer.c:202:3: error: 'struct tc_action_ops' has no member named 'lookup'
202 | .lookup = tcf_dpxfer_search,
| ^~~~~~
net/sched/act_dpxfer.c:202:13: error: 'tcf_dpxfer_search' undeclared here (not in a function); did you mean 'tcf_dpxfer_act'?
202 | .lookup = tcf_dpxfer_search,
| ^~~~~~~~~~~~~~~~~
| tcf_dpxfer_act
net/sched/act_dpxfer.c:202:13: warning: excess elements in struct initializer
net/sched/act_dpxfer.c:202:13: note: (near initialization for 'act_dpxfer_ops')
net/sched/act_dpxfer.c:203:3: error: 'struct tc_action_ops' has no member named 'get_fill_size'
203 | .get_fill_size = tcf_dpxfer_get_fill_size,
| ^~~~~~~~~~~~~

vim +/TC_ACT_OK +15 net/sched/act_dpxfer.c

11
12 static int tcf_dpxfer_act(struct sk_buff *skb, const struct tc_action *a,
13 struct tcf_result *res)
14 {
> 15 return TC_ACT_OK;
16 }
17
18 static int tcf_dpxfer_dump(struct sk_buff *skb, struct tc_action *a, int bind,
19 int ref)
20 {
> 21 unsigned char *b = skb_tail_pointer(skb);
> 22 struct tcf_dpxfer *s = to_dpxfer(a);
> 23 struct tc_dpxfer opt = {
> 24 .index = s->tcf_index,
> 25 .refcnt = refcount_read(&s->tcf_refcnt) - ref,
> 26 .bindcnt = atomic_read(&s->tcf_bindcnt) - bind,
27 };
> 28 struct tcf_t t;
29
> 30 spin_lock_bh(&s->tcf_lock);
31
32 opt.action = s->tcf_action;
> 33 if (nla_put(skb, TCA_DPXFER_PARMS, sizeof(opt), &opt))
34 goto nla_put_failure;
35
> 36 tcf_tm_dump(&t, &s->tcf_tm);
> 37 if (nla_put_64bit(skb, TCA_DPXFER_TM, sizeof(t), &t, TCA_DPXFER_PAD))
38 goto nla_put_failure;
39
> 40 spin_unlock_bh(&s->tcf_lock);
41
> 42 return skb->len;
43
44 nla_put_failure:
45 spin_unlock_bh(&s->tcf_lock);
> 46 nlmsg_trim(skb, b);
47 return -1;
48 }
49
50 static int tcf_dpxfer_init(struct net *net, struct nlattr *nla,
51 struct nlattr *est, struct tc_action **a, int ovr,
> 52 int bind, bool rtnl_held, struct tcf_proto *tp,
> 53 u32 flags, struct netlink_ext_ack *extack)
54 {
55 struct tc_action_net *tn = net_generic(net, gate_net_id);
56 enum tk_offsets tk_offset = TK_OFFS_TAI;
57 struct nlattr *tb[TCA_GATE_MAX + 1];
58 struct tcf_chain *goto_ch = NULL;
59 u64 cycletime = 0, basetime = 0;
60 struct tcf_gate_params *p;
61 s32 clockid = CLOCK_TAI;
62 struct tcf_gate *gact;
63 struct tc_gate *parm;
64 int ret = 0, err;
65 u32 gflags = 0;
66 s32 prio = -1;
67 ktime_t start;
68 bool exists;
69 u32 index;
70
71 if (!nla)
72 return -EINVAL;
73
74 err = nla_parse_nested(tb, TCA_DPXFER_MAX, nla, dpxfer_policy, extack);
75 if (err < 0)
76 return err;
77
78 if (!tb[TCA_DPXFER_PARMS])
79 return -EINVAL;
80
81 parm = nla_data(tb[TCA_GATE_PARMS]);
82 index = parm->index;
83
84 err = tcf_idr_check_alloc(tn, &index, a, bind);
85 if (err < 0)
86 return err;
87
88 exists = err;
89 if (exists && bind)
90 return 0;
91
92 if (!exists) {
93 ret = tcf_idr_create(tn, index, est, a,
94 &act_gate_ops, bind, false, 0);
95 if (ret) {
96 tcf_idr_cleanup(tn, index);
97 return ret;
98 }
99
100 ret = ACT_P_CREATED;
101 } else if (!ovr) {
102 tcf_idr_release(*a, bind);
103 return -EEXIST;
104 }
105
106 if (tb[TCA_GATE_PRIORITY])
107 prio = nla_get_s32(tb[TCA_GATE_PRIORITY]);
108
109 if (tb[TCA_GATE_BASE_TIME])
110 basetime = nla_get_u64(tb[TCA_GATE_BASE_TIME]);
111
112 if (tb[TCA_GATE_FLAGS])
113 gflags = nla_get_u32(tb[TCA_GATE_FLAGS]);
114
115 gact = to_gate(*a);
116 if (ret == ACT_P_CREATED)
117 INIT_LIST_HEAD(&gact->param.entries);
118
119 err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack);
120 if (err < 0)
121 goto release_idr;
122
123 spin_lock_bh(&gact->tcf_lock);
124 p = &gact->param;
125
126 if (tb[TCA_GATE_CYCLE_TIME])
127 cycletime = nla_get_u64(tb[TCA_GATE_CYCLE_TIME]);
128
129 if (tb[TCA_GATE_ENTRY_LIST]) {
130 err = parse_gate_list(tb[TCA_GATE_ENTRY_LIST], p, extack);
131 if (err < 0)
132 goto chain_put;
133 }
134
135 if (!cycletime) {
136 struct tcfg_gate_entry *entry;
137 ktime_t cycle = 0;
138
139 list_for_each_entry(entry, &p->entries, list)
140 cycle = ktime_add_ns(cycle, entry->interval);
141 cycletime = cycle;
142 if (!cycletime) {
143 err = -EINVAL;
144 goto chain_put;
145 }
146 }
147 p->tcfg_cycletime = cycletime;
148
149 if (tb[TCA_GATE_CYCLE_TIME_EXT])
150 p->tcfg_cycletime_ext =
151 nla_get_u64(tb[TCA_GATE_CYCLE_TIME_EXT]);
152
153 gate_setup_timer(gact, basetime, tk_offset, clockid,
154 ret == ACT_P_CREATED);
155 p->tcfg_priority = prio;
156 p->tcfg_flags = gflags;
157 gate_get_start_time(gact, &start);
158
159 gact->current_close_time = start;
160 gact->current_gate_status = GATE_ACT_GATE_OPEN | GATE_ACT_PENDING;
161
162 gact->next_entry = list_first_entry(&p->entries,
163 struct tcfg_gate_entry, list);
164
165 goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch);
166
167 gate_start_timer(gact, start);
168
169 spin_unlock_bh(&gact->tcf_lock);
170
171 if (goto_ch)
172 tcf_chain_put_by_act(goto_ch);
173
174 return ret;
175
176 chain_put:
177 spin_unlock_bh(&gact->tcf_lock);
178
179 if (goto_ch)
180 tcf_chain_put_by_act(goto_ch);
181 release_idr:
182 /* action is not inserted in any list: it's safe to init hitimer
183 * without taking tcf_lock.
184 */
185 if (ret == ACT_P_CREATED)
186 gate_setup_timer(gact, gact->param.tcfg_basetime,
187 gact->tk_offset, gact->param.tcfg_clockid,
188 true);
189 tcf_idr_release(*a, bind);
190 return err;
191 }
192
> 193 static struct tc_action_ops act_dpxfer_ops = {
> 194 .kind = "dpxfer",
> 195 .id = TCA_ID_DPXFER,
> 196 .owner = THIS_MODULE,
> 197 .act = tcf_dpxfer_act,
> 198 .stats_update = tcf_stats_update,
> 199 .dump = tcf_dpxfer_dump,
> 200 .init = tcf_dpxfer_init,
> 201 .walk = tcf_dpxfer_walker,
> 202 .lookup = tcf_dpxfer_search,
> 203 .get_fill_size = tcf_dpxfer_get_fill_size,
> 204 .size = sizeof(struct tcf_dpxfer),
> 205 .get_dev = tcf_dpxfer_get_dev,
206 };
207
> 208 static __net_init int dpxfer_init_net(struct net *net)
209 {
> 210 struct tc_action_net *tn = net_generic(net, dpxfer_net_id);
211
> 212 return tc_action_net_init(net, tn, &act_dpxfer_ops);
213 }
214

---
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