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-rw-r--r--include/net/pkt_sched.h4
-rw-r--r--net/core/dev.c2
-rw-r--r--net/sched/sch_api.c55
-rw-r--r--net/sched/sch_atm.c2
-rw-r--r--net/sched/sch_cbq.c2
-rw-r--r--net/sched/sch_choke.c2
-rw-r--r--net/sched/sch_drr.c2
-rw-r--r--net/sched/sch_dsmark.c2
-rw-r--r--net/sched/sch_fq_codel.c2
-rw-r--r--net/sched/sch_hfsc.c2
-rw-r--r--net/sched/sch_htb.c2
-rw-r--r--net/sched/sch_multiq.c2
-rw-r--r--net/sched/sch_prio.c2
-rw-r--r--net/sched/sch_qfq.c2
-rw-r--r--net/sched/sch_sfb.c2
-rw-r--r--net/sched/sch_sfq.c2
16 files changed, 40 insertions, 47 deletions
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 2342bf12cb78..401038d2f9b8 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -110,10 +110,8 @@ static inline void qdisc_run(struct Qdisc *q)
__qdisc_run(q);
}
-int tc_classify_compat(struct sk_buff *skb, const struct tcf_proto *tp,
- struct tcf_result *res);
int tc_classify(struct sk_buff *skb, const struct tcf_proto *tp,
- struct tcf_result *res);
+ struct tcf_result *res, bool compat_mode);
static inline __be16 tc_skb_protocol(const struct sk_buff *skb)
{
diff --git a/net/core/dev.c b/net/core/dev.c
index b1f3f4844e60..7bb24f1879b8 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3657,7 +3657,7 @@ static inline struct sk_buff *handle_ing(struct sk_buff *skb,
skb->tc_verd = SET_TC_AT(skb->tc_verd, AT_INGRESS);
qdisc_bstats_cpu_update(cl->q, skb);
- switch (tc_classify(skb, cl, &cl_res)) {
+ switch (tc_classify(skb, cl, &cl_res, false)) {
case TC_ACT_OK:
case TC_ACT_RECLASSIFY:
skb->tc_index = TC_H_MIN(cl_res.classid);
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index f06aa01d60fd..59c227f26b56 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1806,51 +1806,46 @@ done:
* to this qdisc, (optionally) tests for protocol and asks
* specific classifiers.
*/
-int tc_classify_compat(struct sk_buff *skb, const struct tcf_proto *tp,
- struct tcf_result *res)
+int tc_classify(struct sk_buff *skb, const struct tcf_proto *tp,
+ struct tcf_result *res, bool compat_mode)
{
__be16 protocol = tc_skb_protocol(skb);
- int err;
+#ifdef CONFIG_NET_CLS_ACT
+ const struct tcf_proto *old_tp = tp;
+ int limit = 0;
+reclassify:
+#endif
for (; tp; tp = rcu_dereference_bh(tp->next)) {
+ int err;
+
if (tp->protocol != protocol &&
tp->protocol != htons(ETH_P_ALL))
continue;
- err = tp->classify(skb, tp, res);
+ err = tp->classify(skb, tp, res);
+#ifdef CONFIG_NET_CLS_ACT
+ if (unlikely(err == TC_ACT_RECLASSIFY &&
+ !compat_mode))
+ goto reset;
+#endif
if (err >= 0)
return err;
}
- return -1;
-}
-EXPORT_SYMBOL(tc_classify_compat);
-int tc_classify(struct sk_buff *skb, const struct tcf_proto *tp,
- struct tcf_result *res)
-{
- int err = 0;
-#ifdef CONFIG_NET_CLS_ACT
- const struct tcf_proto *otp = tp;
- int limit = 0;
-reclassify:
-#endif
-
- err = tc_classify_compat(skb, tp, res);
+ return -1;
#ifdef CONFIG_NET_CLS_ACT
- if (err == TC_ACT_RECLASSIFY) {
- tp = otp;
-
- if (unlikely(limit++ >= MAX_REC_LOOP)) {
- net_notice_ratelimited("%s: packet reclassify loop rule prio %u protocol %02x\n",
- tp->q->ops->id,
- tp->prio & 0xffff,
- ntohs(tp->protocol));
- return TC_ACT_SHOT;
- }
- goto reclassify;
+reset:
+ if (unlikely(limit++ >= MAX_REC_LOOP)) {
+ net_notice_ratelimited("%s: reclassify loop, rule prio %u, "
+ "protocol %02x\n", tp->q->ops->id,
+ tp->prio & 0xffff, ntohs(tp->protocol));
+ return TC_ACT_SHOT;
}
+
+ tp = old_tp;
+ goto reclassify;
#endif
- return err;
}
EXPORT_SYMBOL(tc_classify);
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index e3e2cc5fd068..1911af3ca7c0 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -375,7 +375,7 @@ static int atm_tc_enqueue(struct sk_buff *skb, struct Qdisc *sch)
list_for_each_entry(flow, &p->flows, list) {
fl = rcu_dereference_bh(flow->filter_list);
if (fl) {
- result = tc_classify_compat(skb, fl, &res);
+ result = tc_classify(skb, fl, &res, true);
if (result < 0)
continue;
flow = (struct atm_flow_data *)res.class;
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index beeb75f80fdb..c538d9e4a8f6 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -240,7 +240,7 @@ cbq_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
/*
* Step 2+n. Apply classifier.
*/
- result = tc_classify_compat(skb, fl, &res);
+ result = tc_classify(skb, fl, &res, true);
if (!fl || result < 0)
goto fallback;
diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c
index 6a783afe4960..665bde07916b 100644
--- a/net/sched/sch_choke.c
+++ b/net/sched/sch_choke.c
@@ -201,7 +201,7 @@ static bool choke_classify(struct sk_buff *skb,
int result;
fl = rcu_dereference_bh(q->filter_list);
- result = tc_classify(skb, fl, &res);
+ result = tc_classify(skb, fl, &res, false);
if (result >= 0) {
#ifdef CONFIG_NET_CLS_ACT
switch (result) {
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index 338706092c27..f26bdea875c1 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -331,7 +331,7 @@ static struct drr_class *drr_classify(struct sk_buff *skb, struct Qdisc *sch,
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
fl = rcu_dereference_bh(q->filter_list);
- result = tc_classify(skb, fl, &res);
+ result = tc_classify(skb, fl, &res, false);
if (result >= 0) {
#ifdef CONFIG_NET_CLS_ACT
switch (result) {
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index 66700a6116aa..c4d45fd8c551 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -230,7 +230,7 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch)
else {
struct tcf_result res;
struct tcf_proto *fl = rcu_dereference_bh(p->filter_list);
- int result = tc_classify(skb, fl, &res);
+ int result = tc_classify(skb, fl, &res, false);
pr_debug("result %d class 0x%04x\n", result, res.classid);
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index a9ba030435a2..4c834e93dafb 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -92,7 +92,7 @@ static unsigned int fq_codel_classify(struct sk_buff *skb, struct Qdisc *sch,
return fq_codel_hash(q, skb) + 1;
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
- result = tc_classify(skb, filter, &res);
+ result = tc_classify(skb, filter, &res, false);
if (result >= 0) {
#ifdef CONFIG_NET_CLS_ACT
switch (result) {
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index e6c7416d0332..b7ebe2c87586 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1165,7 +1165,7 @@ hfsc_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
head = &q->root;
tcf = rcu_dereference_bh(q->root.filter_list);
- while (tcf && (result = tc_classify(skb, tcf, &res)) >= 0) {
+ while (tcf && (result = tc_classify(skb, tcf, &res, false)) >= 0) {
#ifdef CONFIG_NET_CLS_ACT
switch (result) {
case TC_ACT_QUEUED:
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index cf4b0f865d1b..15ccd7f8fb2a 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -229,7 +229,7 @@ static struct htb_class *htb_classify(struct sk_buff *skb, struct Qdisc *sch,
}
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
- while (tcf && (result = tc_classify(skb, tcf, &res)) >= 0) {
+ while (tcf && (result = tc_classify(skb, tcf, &res, false)) >= 0) {
#ifdef CONFIG_NET_CLS_ACT
switch (result) {
case TC_ACT_QUEUED:
diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c
index 42dd218871e0..4e904ca0af9d 100644
--- a/net/sched/sch_multiq.c
+++ b/net/sched/sch_multiq.c
@@ -46,7 +46,7 @@ multiq_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
int err;
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
- err = tc_classify(skb, fl, &res);
+ err = tc_classify(skb, fl, &res, false);
#ifdef CONFIG_NET_CLS_ACT
switch (err) {
case TC_ACT_STOLEN:
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 8e5cd34aaa74..ba6487f2741f 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -42,7 +42,7 @@ prio_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
if (TC_H_MAJ(skb->priority) != sch->handle) {
fl = rcu_dereference_bh(q->filter_list);
- err = tc_classify(skb, fl, &res);
+ err = tc_classify(skb, fl, &res, false);
#ifdef CONFIG_NET_CLS_ACT
switch (err) {
case TC_ACT_STOLEN:
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index ffaeea63d473..3dc3a6e56052 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -717,7 +717,7 @@ static struct qfq_class *qfq_classify(struct sk_buff *skb, struct Qdisc *sch,
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
fl = rcu_dereference_bh(q->filter_list);
- result = tc_classify(skb, fl, &res);
+ result = tc_classify(skb, fl, &res, false);
if (result >= 0) {
#ifdef CONFIG_NET_CLS_ACT
switch (result) {
diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c
index dcdff5c769a1..5bbb6332ec57 100644
--- a/net/sched/sch_sfb.c
+++ b/net/sched/sch_sfb.c
@@ -258,7 +258,7 @@ static bool sfb_classify(struct sk_buff *skb, struct tcf_proto *fl,
struct tcf_result res;
int result;
- result = tc_classify(skb, fl, &res);
+ result = tc_classify(skb, fl, &res, false);
if (result >= 0) {
#ifdef CONFIG_NET_CLS_ACT
switch (result) {
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 52f75a5473e1..3abab534eb5c 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -179,7 +179,7 @@ static unsigned int sfq_classify(struct sk_buff *skb, struct Qdisc *sch,
return sfq_hash(q, skb) + 1;
*qerr = NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
- result = tc_classify(skb, fl, &res);
+ result = tc_classify(skb, fl, &res, false);
if (result >= 0) {
#ifdef CONFIG_NET_CLS_ACT
switch (result) {
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-08 21:16:46 +0300