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Subject[PATCH net-next 1/2] net: extract port range fields from fl_flow_key
Date
So it can be used for port range filter offloading.

Co-developed-by: Volodymyr Mytnyk <volodymyr.mytnyk@plvision.eu>
Signed-off-by: Volodymyr Mytnyk <volodymyr.mytnyk@plvision.eu>
Signed-off-by: Maksym Glubokiy <maksym.glubokiy@plvision.eu>
---
include/net/flow_dissector.h | 16 ++++++++++++++++
include/net/flow_offload.h | 6 ++++++
net/core/flow_offload.c | 7 +++++++
net/sched/cls_flower.c | 8 +-------
4 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index a4c6057c7097..6341505d0838 100644
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h
@@ -178,6 +178,22 @@ struct flow_dissector_key_ports {
};
};

+/**
+ * flow_dissector_key_ports_range:
+ * tp: port number from packet
+ * tp_min: min port number in range
+ * tp_max: max port number in range
+ */
+struct flow_dissector_key_ports_range {
+ union {
+ struct flow_dissector_key_ports tp;
+ struct {
+ struct flow_dissector_key_ports tp_min;
+ struct flow_dissector_key_ports tp_max;
+ };
+ };
+};
+
/**
* flow_dissector_key_icmp:
* type: ICMP type
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 6484095a8c01..c53c3d2d5800 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -48,6 +48,10 @@ struct flow_match_ports {
struct flow_dissector_key_ports *key, *mask;
};

+struct flow_match_ports_range {
+ struct flow_dissector_key_ports_range *key, *mask;
+};
+
struct flow_match_icmp {
struct flow_dissector_key_icmp *key, *mask;
};
@@ -94,6 +98,8 @@ void flow_rule_match_ip(const struct flow_rule *rule,
struct flow_match_ip *out);
void flow_rule_match_ports(const struct flow_rule *rule,
struct flow_match_ports *out);
+void flow_rule_match_ports_range(const struct flow_rule *rule,
+ struct flow_match_ports_range *out);
void flow_rule_match_tcp(const struct flow_rule *rule,
struct flow_match_tcp *out);
void flow_rule_match_icmp(const struct flow_rule *rule,
diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c
index 929f6379a279..0d3075d3c8fb 100644
--- a/net/core/flow_offload.c
+++ b/net/core/flow_offload.c
@@ -125,6 +125,13 @@ void flow_rule_match_ports(const struct flow_rule *rule,
}
EXPORT_SYMBOL(flow_rule_match_ports);

+void flow_rule_match_ports_range(const struct flow_rule *rule,
+ struct flow_match_ports_range *out)
+{
+ FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_PORTS_RANGE, out);
+}
+EXPORT_SYMBOL(flow_rule_match_ports_range);
+
void flow_rule_match_tcp(const struct flow_rule *rule,
struct flow_match_tcp *out)
{
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index dcca70144dff..1a1e34480b7e 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -63,13 +63,7 @@ struct fl_flow_key {
struct flow_dissector_key_ip ip;
struct flow_dissector_key_ip enc_ip;
struct flow_dissector_key_enc_opts enc_opts;
- union {
- struct flow_dissector_key_ports tp;
- struct {
- struct flow_dissector_key_ports tp_min;
- struct flow_dissector_key_ports tp_max;
- };
- } tp_range;
+ struct flow_dissector_key_ports_range tp_range;
struct flow_dissector_key_ct ct;
struct flow_dissector_key_hash hash;
struct flow_dissector_key_num_of_vlans num_of_vlans;
--
2.25.1
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