summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/net/pkt_cls.h10
-rw-r--r--include/net/sch_generic.h1
-rw-r--r--net/sched/cls_flower.c6
-rw-r--r--net/sched/cls_u32.c8
-rw-r--r--net/sched/sch_ingress.c12
5 files changed, 27 insertions, 10 deletions
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 0f7efa88f210..3722dda0199d 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -392,16 +392,20 @@ struct tc_cls_u32_offload {
};
};
-static inline bool tc_should_offload(struct net_device *dev, u32 flags)
+static inline bool tc_should_offload(const struct net_device *dev,
+ const struct tcf_proto *tp, u32 flags)
{
+ const struct Qdisc *sch = tp->q;
+ const struct Qdisc_class_ops *cops = sch->ops->cl_ops;
+
if (!(dev->features & NETIF_F_HW_TC))
return false;
-
if (flags & TCA_CLS_FLAGS_SKIP_HW)
return false;
-
if (!dev->netdev_ops->ndo_setup_tc)
return false;
+ if (cops && cops->tcf_cl_offload)
+ return cops->tcf_cl_offload(tp->classid);
return true;
}
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 6803af17dfcf..62d553184e91 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -168,6 +168,7 @@ struct Qdisc_class_ops {
/* Filter manipulation */
struct tcf_proto __rcu ** (*tcf_chain)(struct Qdisc *, unsigned long);
+ bool (*tcf_cl_offload)(u32 classid);
unsigned long (*bind_tcf)(struct Qdisc *, unsigned long,
u32 classid);
void (*unbind_tcf)(struct Qdisc *, unsigned long);
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 730aacafc22d..b3b7978f4182 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -171,7 +171,7 @@ static void fl_hw_destroy_filter(struct tcf_proto *tp, unsigned long cookie)
struct tc_cls_flower_offload offload = {0};
struct tc_to_netdev tc;
- if (!tc_should_offload(dev, 0))
+ if (!tc_should_offload(dev, tp, 0))
return;
offload.command = TC_CLSFLOWER_DESTROY;
@@ -194,7 +194,7 @@ static void fl_hw_replace_filter(struct tcf_proto *tp,
struct tc_cls_flower_offload offload = {0};
struct tc_to_netdev tc;
- if (!tc_should_offload(dev, flags))
+ if (!tc_should_offload(dev, tp, flags))
return;
offload.command = TC_CLSFLOWER_REPLACE;
@@ -216,7 +216,7 @@ static void fl_hw_update_stats(struct tcf_proto *tp, struct cls_fl_filter *f)
struct tc_cls_flower_offload offload = {0};
struct tc_to_netdev tc;
- if (!tc_should_offload(dev, 0))
+ if (!tc_should_offload(dev, tp, 0))
return;
offload.command = TC_CLSFLOWER_STATS;
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index fe05449537a3..27b99fd774d7 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -440,7 +440,7 @@ static void u32_remove_hw_knode(struct tcf_proto *tp, u32 handle)
offload.type = TC_SETUP_CLSU32;
offload.cls_u32 = &u32_offload;
- if (tc_should_offload(dev, 0)) {
+ if (tc_should_offload(dev, tp, 0)) {
offload.cls_u32->command = TC_CLSU32_DELETE_KNODE;
offload.cls_u32->knode.handle = handle;
dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle,
@@ -457,7 +457,7 @@ static int u32_replace_hw_hnode(struct tcf_proto *tp,
struct tc_to_netdev offload;
int err;
- if (!tc_should_offload(dev, flags))
+ if (!tc_should_offload(dev, tp, flags))
return tc_skip_sw(flags) ? -EINVAL : 0;
offload.type = TC_SETUP_CLSU32;
@@ -485,7 +485,7 @@ static void u32_clear_hw_hnode(struct tcf_proto *tp, struct tc_u_hnode *h)
offload.type = TC_SETUP_CLSU32;
offload.cls_u32 = &u32_offload;
- if (tc_should_offload(dev, 0)) {
+ if (tc_should_offload(dev, tp, 0)) {
offload.cls_u32->command = TC_CLSU32_DELETE_HNODE;
offload.cls_u32->hnode.divisor = h->divisor;
offload.cls_u32->hnode.handle = h->handle;
@@ -508,7 +508,7 @@ static int u32_replace_hw_knode(struct tcf_proto *tp,
offload.type = TC_SETUP_CLSU32;
offload.cls_u32 = &u32_offload;
- if (tc_should_offload(dev, flags)) {
+ if (tc_should_offload(dev, tp, flags)) {
offload.cls_u32->command = TC_CLSU32_REPLACE_KNODE;
offload.cls_u32->knode.handle = n->handle;
offload.cls_u32->knode.fshift = n->fshift;
diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c
index 10adbc617905..8fe6999b642a 100644
--- a/net/sched/sch_ingress.c
+++ b/net/sched/sch_ingress.c
@@ -27,6 +27,11 @@ static unsigned long ingress_get(struct Qdisc *sch, u32 classid)
return TC_H_MIN(classid) + 1;
}
+static bool ingress_cl_offload(u32 classid)
+{
+ return true;
+}
+
static unsigned long ingress_bind_filter(struct Qdisc *sch,
unsigned long parent, u32 classid)
{
@@ -86,6 +91,7 @@ static const struct Qdisc_class_ops ingress_class_ops = {
.put = ingress_put,
.walk = ingress_walk,
.tcf_chain = ingress_find_tcf,
+ .tcf_cl_offload = ingress_cl_offload,
.bind_tcf = ingress_bind_filter,
.unbind_tcf = ingress_put,
};
@@ -110,6 +116,11 @@ static unsigned long clsact_get(struct Qdisc *sch, u32 classid)
}
}
+static bool clsact_cl_offload(u32 classid)
+{
+ return TC_H_MIN(classid) == TC_H_MIN(TC_H_MIN_INGRESS);
+}
+
static unsigned long clsact_bind_filter(struct Qdisc *sch,
unsigned long parent, u32 classid)
{
@@ -158,6 +169,7 @@ static const struct Qdisc_class_ops clsact_class_ops = {
.put = ingress_put,
.walk = ingress_walk,
.tcf_chain = clsact_find_tcf,
+ .tcf_cl_offload = clsact_cl_offload,
.bind_tcf = clsact_bind_filter,
.unbind_tcf = ingress_put,
};