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authorPedro Tammela <pctammela@mojatatu.com>2023-12-29 10:26:41 -0300
committerJakub Kicinski <kuba@kernel.org>2024-01-03 18:36:24 -0800
commitc2a67de9bb543394aee869d1c68b5fbcd8a89dcb (patch)
tree13ed7c2136ecf358b3e7bc6a61b740ce8ca07b79
parentd3d344a1ca69d8fb2413e29e6400f3ad58a05c06 (diff)
net/sched: introduce ACT_P_BOUND return code
Bound actions always return '0' and as of today we rely on '0' being returned in order to properly skip bound actions in tcf_idr_insert_many. In order to further improve maintainability, introduce the ACT_P_BOUND return code. Actions are updated to return 'ACT_P_BOUND' instead of plain '0'. tcf_idr_insert_many is then updated to check for 'ACT_P_BOUND'. Signed-off-by: Pedro Tammela <pctammela@mojatatu.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Link: https://lore.kernel.org/r/20231229132642.1489088-1-pctammela@mojatatu.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--include/net/act_api.h1
-rw-r--r--net/sched/act_api.c2
-rw-r--r--net/sched/act_bpf.c2
-rw-r--r--net/sched/act_connmark.c2
-rw-r--r--net/sched/act_csum.c4
-rw-r--r--net/sched/act_ct.c2
-rw-r--r--net/sched/act_ctinfo.c2
-rw-r--r--net/sched/act_gact.c2
-rw-r--r--net/sched/act_gate.c2
-rw-r--r--net/sched/act_ife.c2
-rw-r--r--net/sched/act_mirred.c2
-rw-r--r--net/sched/act_mpls.c2
-rw-r--r--net/sched/act_nat.c2
-rw-r--r--net/sched/act_pedit.c2
-rw-r--r--net/sched/act_police.c2
-rw-r--r--net/sched/act_sample.c2
-rw-r--r--net/sched/act_simple.c2
-rw-r--r--net/sched/act_skbedit.c2
-rw-r--r--net/sched/act_skbmod.c2
-rw-r--r--net/sched/act_tunnel_key.c2
-rw-r--r--net/sched/act_vlan.c2
21 files changed, 22 insertions, 21 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h
index ea13e1e4a7c2..447985a45ef6 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -137,6 +137,7 @@ struct tc_action_ops {
#ifdef CONFIG_NET_CLS_ACT
+#define ACT_P_BOUND 0
#define ACT_P_CREATED 1
#define ACT_P_DELETED 1
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index a44c097a880d..ef70d4771811 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -1313,7 +1313,7 @@ void tcf_idr_insert_many(struct tc_action *actions[], int init_res[])
tcf_act_for_each_action(i, a, actions) {
struct tcf_idrinfo *idrinfo;
- if (init_res[i] == 0) /* Bound */
+ if (init_res[i] == ACT_P_BOUND)
continue;
idrinfo = a->idrinfo;
diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c
index b0455fda7d0b..6cfee6658103 100644
--- a/net/sched/act_bpf.c
+++ b/net/sched/act_bpf.c
@@ -318,7 +318,7 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla,
} else if (ret > 0) {
/* Don't override defaults. */
if (bind)
- return 0;
+ return ACT_P_BOUND;
if (!(flags & TCA_ACT_FLAGS_REPLACE)) {
tcf_idr_release(*act, bind);
diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c
index 0d7aee8933c5..f8762756657d 100644
--- a/net/sched/act_connmark.c
+++ b/net/sched/act_connmark.c
@@ -146,7 +146,7 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla,
} else if (ret > 0) {
ci = to_connmark(*a);
if (bind) {
- err = 0;
+ err = ACT_P_BOUND;
goto out_free;
}
if (!(flags & TCA_ACT_FLAGS_REPLACE)) {
diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c
index 8ed285023a40..7f8b1f2f2ed9 100644
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -77,8 +77,8 @@ static int tcf_csum_init(struct net *net, struct nlattr *nla,
}
ret = ACT_P_CREATED;
} else if (err > 0) {
- if (bind)/* dont override defaults */
- return 0;
+ if (bind) /* dont override defaults */
+ return ACT_P_BOUND;
if (!(flags & TCA_ACT_FLAGS_REPLACE)) {
tcf_idr_release(*a, bind);
return -EEXIST;
diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index f69c47945175..c3e004b5b820 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -1349,7 +1349,7 @@ static int tcf_ct_init(struct net *net, struct nlattr *nla,
res = ACT_P_CREATED;
} else {
if (bind)
- return 0;
+ return ACT_P_BOUND;
if (!(flags & TCA_ACT_FLAGS_REPLACE)) {
tcf_idr_release(*a, bind);
diff --git a/net/sched/act_ctinfo.c b/net/sched/act_ctinfo.c
index 4d15b6a6169c..e620f9a84afe 100644
--- a/net/sched/act_ctinfo.c
+++ b/net/sched/act_ctinfo.c
@@ -221,7 +221,7 @@ static int tcf_ctinfo_init(struct net *net, struct nlattr *nla,
ret = ACT_P_CREATED;
} else if (err > 0) {
if (bind) /* don't override defaults */
- return 0;
+ return ACT_P_BOUND;
if (!(flags & TCA_ACT_FLAGS_REPLACE)) {
tcf_idr_release(*a, bind);
return -EEXIST;
diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index 904ab3d457ef..4af3b7ec249f 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -108,7 +108,7 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla,
ret = ACT_P_CREATED;
} else if (err > 0) {
if (bind)/* dont override defaults */
- return 0;
+ return ACT_P_BOUND;
if (!(flags & TCA_ACT_FLAGS_REPLACE)) {
tcf_idr_release(*a, bind);
return -EEXIST;
diff --git a/net/sched/act_gate.c b/net/sched/act_gate.c
index 393b78729216..c681cd011afd 100644
--- a/net/sched/act_gate.c
+++ b/net/sched/act_gate.c
@@ -356,7 +356,7 @@ static int tcf_gate_init(struct net *net, struct nlattr *nla,
return err;
if (err && bind)
- return 0;
+ return ACT_P_BOUND;
if (!err) {
ret = tcf_idr_create_from_flags(tn, index, est, a,
diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c
index bc7611b0744c..0e867d13beb5 100644
--- a/net/sched/act_ife.c
+++ b/net/sched/act_ife.c
@@ -548,7 +548,7 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla,
exists = err;
if (exists && bind) {
kfree(p);
- return 0;
+ return ACT_P_BOUND;
}
if (!exists) {
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index d1f9794ca9b7..12386f590b0f 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -135,7 +135,7 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
return err;
exists = err;
if (exists && bind)
- return 0;
+ return ACT_P_BOUND;
if (tb[TCA_MIRRED_BLOCKID] && parm->ifindex) {
NL_SET_ERR_MSG_MOD(extack,
diff --git a/net/sched/act_mpls.c b/net/sched/act_mpls.c
index 1010dc632874..34b8edb6cc77 100644
--- a/net/sched/act_mpls.c
+++ b/net/sched/act_mpls.c
@@ -195,7 +195,7 @@ static int tcf_mpls_init(struct net *net, struct nlattr *nla,
return err;
exists = err;
if (exists && bind)
- return 0;
+ return ACT_P_BOUND;
if (!exists) {
ret = tcf_idr_create(tn, index, est, a, &act_mpls_ops, bind,
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c
index 4184af5abbf3..a180e724634e 100644
--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -69,7 +69,7 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est,
ret = ACT_P_CREATED;
} else if (err > 0) {
if (bind)
- return 0;
+ return ACT_P_BOUND;
if (!(flags & TCA_ACT_FLAGS_REPLACE)) {
tcf_idr_release(*a, bind);
return -EEXIST;
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 1ef8fcfa9997..2ef22969f274 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -202,7 +202,7 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla,
ret = ACT_P_CREATED;
} else if (err > 0) {
if (bind)
- return 0;
+ return ACT_P_BOUND;
if (!(flags & TCA_ACT_FLAGS_REPLACE)) {
ret = -EEXIST;
goto out_release;
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index f3121c5a85e9..e119b4a3db9f 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -77,7 +77,7 @@ static int tcf_police_init(struct net *net, struct nlattr *nla,
return err;
exists = err;
if (exists && bind)
- return 0;
+ return ACT_P_BOUND;
if (!exists) {
ret = tcf_idr_create(tn, index, NULL, a,
diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c
index 4c670e7568dc..c5c61efe6db4 100644
--- a/net/sched/act_sample.c
+++ b/net/sched/act_sample.c
@@ -66,7 +66,7 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla,
return err;
exists = err;
if (exists && bind)
- return 0;
+ return ACT_P_BOUND;
if (!exists) {
ret = tcf_idr_create(tn, index, est, a,
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index 4b84514534f3..0a3e92888295 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -118,7 +118,7 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla,
return err;
exists = err;
if (exists && bind)
- return 0;
+ return ACT_P_BOUND;
if (tb[TCA_DEF_DATA] == NULL) {
if (exists)
diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index ce7008cf291c..754f78b35bb8 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -209,7 +209,7 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
return err;
exists = err;
if (exists && bind)
- return 0;
+ return ACT_P_BOUND;
if (!flags) {
if (exists)
diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c
index dffa990a9629..bcb673ab0008 100644
--- a/net/sched/act_skbmod.c
+++ b/net/sched/act_skbmod.c
@@ -157,7 +157,7 @@ static int tcf_skbmod_init(struct net *net, struct nlattr *nla,
return err;
exists = err;
if (exists && bind)
- return 0;
+ return ACT_P_BOUND;
if (!lflags) {
if (exists)
diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c
index 0c8aa7e686ea..300b08aa8283 100644
--- a/net/sched/act_tunnel_key.c
+++ b/net/sched/act_tunnel_key.c
@@ -401,7 +401,7 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla,
return err;
exists = err;
if (exists && bind)
- return 0;
+ return ACT_P_BOUND;
switch (parm->t_action) {
case TCA_TUNNEL_KEY_ACT_RELEASE:
diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c
index 0251442f5f29..836183011a7c 100644
--- a/net/sched/act_vlan.c
+++ b/net/sched/act_vlan.c
@@ -151,7 +151,7 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla,
return err;
exists = err;
if (exists && bind)
- return 0;
+ return ACT_P_BOUND;
switch (parm->v_action) {
case TCA_VLAN_ACT_POP: