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-rw-r--r--include/net/pkt_cls.h209
1 files changed, 40 insertions, 169 deletions
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 514e3c80ecc1..e553fc80eb23 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -6,10 +6,10 @@
#include <linux/workqueue.h>
#include <net/sch_generic.h>
#include <net/act_api.h>
-#include <net/flow_offload.h>
+#include <net/net_namespace.h>
/* TC action not accessible from user space */
-#define TC_ACT_REINSERT (TC_ACT_VALUE_MAX + 1)
+#define TC_ACT_CONSUMED (TC_ACT_VALUE_MAX + 1)
/* Basic packet classifier frontend definitions. */
@@ -25,14 +25,8 @@ struct tcf_walker {
int register_tcf_proto_ops(struct tcf_proto_ops *ops);
int unregister_tcf_proto_ops(struct tcf_proto_ops *ops);
-enum tcf_block_binder_type {
- TCF_BLOCK_BINDER_TYPE_UNSPEC,
- TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS,
- TCF_BLOCK_BINDER_TYPE_CLSACT_EGRESS,
-};
-
struct tcf_block_ext_info {
- enum tcf_block_binder_type binder_type;
+ enum flow_block_binder_type binder_type;
tcf_chain_head_change_t *chain_head_change;
void *chain_head_change_priv;
u32 block_index;
@@ -65,37 +59,17 @@ static inline bool tcf_block_shared(struct tcf_block *block)
return block->index;
}
+static inline bool tcf_block_non_null_shared(struct tcf_block *block)
+{
+ return block && block->index;
+}
+
static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
{
WARN_ON(tcf_block_shared(block));
return block->q;
}
-void *tcf_block_cb_priv(struct tcf_block_cb *block_cb);
-struct tcf_block_cb *tcf_block_cb_lookup(struct tcf_block *block,
- tc_setup_cb_t *cb, void *cb_ident);
-void tcf_block_cb_incref(struct tcf_block_cb *block_cb);
-unsigned int tcf_block_cb_decref(struct tcf_block_cb *block_cb);
-struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block,
- tc_setup_cb_t *cb, void *cb_ident,
- void *cb_priv,
- struct netlink_ext_ack *extack);
-int tcf_block_cb_register(struct tcf_block *block,
- tc_setup_cb_t *cb, void *cb_ident,
- void *cb_priv, struct netlink_ext_ack *extack);
-void __tcf_block_cb_unregister(struct tcf_block *block,
- struct tcf_block_cb *block_cb);
-void tcf_block_cb_unregister(struct tcf_block *block,
- tc_setup_cb_t *cb, void *cb_ident);
-int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv,
- tc_indr_block_bind_cb_t *cb, void *cb_ident);
-int tc_indr_block_cb_register(struct net_device *dev, void *cb_priv,
- tc_indr_block_bind_cb_t *cb, void *cb_ident);
-void __tc_indr_block_cb_unregister(struct net_device *dev,
- tc_indr_block_bind_cb_t *cb, void *cb_ident);
-void tc_indr_block_cb_unregister(struct net_device *dev,
- tc_indr_block_bind_cb_t *cb, void *cb_ident);
-
int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res, bool compat_mode);
@@ -105,6 +79,11 @@ static inline bool tcf_block_shared(struct tcf_block *block)
return false;
}
+static inline bool tcf_block_non_null_shared(struct tcf_block *block)
+{
+ return false;
+}
+
static inline
int tcf_block_get(struct tcf_block **p_block,
struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q,
@@ -137,97 +116,18 @@ static inline struct Qdisc *tcf_block_q(struct tcf_block *block)
}
static inline
-int tc_setup_cb_block_register(struct tcf_block *block, tc_setup_cb_t *cb,
+int tc_setup_cb_block_register(struct tcf_block *block, flow_setup_cb_t *cb,
void *cb_priv)
{
return 0;
}
static inline
-void tc_setup_cb_block_unregister(struct tcf_block *block, tc_setup_cb_t *cb,
+void tc_setup_cb_block_unregister(struct tcf_block *block, flow_setup_cb_t *cb,
void *cb_priv)
{
}
-static inline
-void *tcf_block_cb_priv(struct tcf_block_cb *block_cb)
-{
- return NULL;
-}
-
-static inline
-struct tcf_block_cb *tcf_block_cb_lookup(struct tcf_block *block,
- tc_setup_cb_t *cb, void *cb_ident)
-{
- return NULL;
-}
-
-static inline
-void tcf_block_cb_incref(struct tcf_block_cb *block_cb)
-{
-}
-
-static inline
-unsigned int tcf_block_cb_decref(struct tcf_block_cb *block_cb)
-{
- return 0;
-}
-
-static inline
-struct tcf_block_cb *__tcf_block_cb_register(struct tcf_block *block,
- tc_setup_cb_t *cb, void *cb_ident,
- void *cb_priv,
- struct netlink_ext_ack *extack)
-{
- return NULL;
-}
-
-static inline
-int tcf_block_cb_register(struct tcf_block *block,
- tc_setup_cb_t *cb, void *cb_ident,
- void *cb_priv, struct netlink_ext_ack *extack)
-{
- return 0;
-}
-
-static inline
-void __tcf_block_cb_unregister(struct tcf_block *block,
- struct tcf_block_cb *block_cb)
-{
-}
-
-static inline
-void tcf_block_cb_unregister(struct tcf_block *block,
- tc_setup_cb_t *cb, void *cb_ident)
-{
-}
-
-static inline
-int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv,
- tc_indr_block_bind_cb_t *cb, void *cb_ident)
-{
- return 0;
-}
-
-static inline
-int tc_indr_block_cb_register(struct net_device *dev, void *cb_priv,
- tc_indr_block_bind_cb_t *cb, void *cb_ident)
-{
- return 0;
-}
-
-static inline
-void __tc_indr_block_cb_unregister(struct net_device *dev,
- tc_indr_block_bind_cb_t *cb, void *cb_ident)
-{
-}
-
-static inline
-void tc_indr_block_cb_unregister(struct net_device *dev,
- tc_indr_block_bind_cb_t *cb, void *cb_ident)
-{
-}
-
static inline int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res, bool compat_mode)
{
@@ -576,9 +476,6 @@ static inline int tcf_valid_offset(const struct sk_buff *skb,
(ptr <= (ptr + len)));
}
-#ifdef CONFIG_NET_CLS_IND
-#include <net/net_namespace.h>
-
static inline int
tcf_change_indev(struct net *net, struct nlattr *indev_tlv,
struct netlink_ext_ack *extack)
@@ -605,33 +502,30 @@ tcf_match_indev(struct sk_buff *skb, int ifindex)
return false;
return ifindex == skb->skb_iif;
}
-#endif /* CONFIG_NET_CLS_IND */
int tc_setup_flow_action(struct flow_action *flow_action,
- const struct tcf_exts *exts);
+ const struct tcf_exts *exts, bool rtnl_held);
+void tc_cleanup_flow_action(struct flow_action *flow_action);
+
int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type,
- void *type_data, bool err_stop);
+ void *type_data, bool err_stop, bool rtnl_held);
+int tc_setup_cb_add(struct tcf_block *block, struct tcf_proto *tp,
+ enum tc_setup_type type, void *type_data, bool err_stop,
+ u32 *flags, unsigned int *in_hw_count, bool rtnl_held);
+int tc_setup_cb_replace(struct tcf_block *block, struct tcf_proto *tp,
+ enum tc_setup_type type, void *type_data, bool err_stop,
+ u32 *old_flags, unsigned int *old_in_hw_count,
+ u32 *new_flags, unsigned int *new_in_hw_count,
+ bool rtnl_held);
+int tc_setup_cb_destroy(struct tcf_block *block, struct tcf_proto *tp,
+ enum tc_setup_type type, void *type_data, bool err_stop,
+ u32 *flags, unsigned int *in_hw_count, bool rtnl_held);
+int tc_setup_cb_reoffload(struct tcf_block *block, struct tcf_proto *tp,
+ bool add, flow_setup_cb_t *cb,
+ enum tc_setup_type type, void *type_data,
+ void *cb_priv, u32 *flags, unsigned int *in_hw_count);
unsigned int tcf_exts_num_actions(struct tcf_exts *exts);
-enum tc_block_command {
- TC_BLOCK_BIND,
- TC_BLOCK_UNBIND,
-};
-
-struct tc_block_offload {
- enum tc_block_command command;
- enum tcf_block_binder_type binder_type;
- struct tcf_block *block;
- struct netlink_ext_ack *extack;
-};
-
-struct tc_cls_common_offload {
- u32 chain_index;
- __be16 protocol;
- u32 prio;
- struct netlink_ext_ack *extack;
-};
-
struct tc_cls_u32_knode {
struct tcf_exts *exts;
struct tcf_result *res;
@@ -659,7 +553,7 @@ enum tc_clsu32_command {
};
struct tc_cls_u32_offload {
- struct tc_cls_common_offload common;
+ struct flow_cls_common_offload common;
/* knode values */
enum tc_clsu32_command command;
union {
@@ -686,7 +580,7 @@ static inline bool tc_can_offload_extack(const struct net_device *dev,
static inline bool
tc_cls_can_offload_and_chain0(const struct net_device *dev,
- struct tc_cls_common_offload *common)
+ struct flow_cls_common_offload *common)
{
if (!tc_can_offload_extack(dev, common->extack))
return false;
@@ -728,40 +622,17 @@ static inline bool tc_in_hw(u32 flags)
}
static inline void
-tc_cls_common_offload_init(struct tc_cls_common_offload *cls_common,
+tc_cls_common_offload_init(struct flow_cls_common_offload *cls_common,
const struct tcf_proto *tp, u32 flags,
struct netlink_ext_ack *extack)
{
cls_common->chain_index = tp->chain->index;
cls_common->protocol = tp->protocol;
- cls_common->prio = tp->prio;
+ cls_common->prio = tp->prio >> 16;
if (tc_skip_sw(flags) || flags & TCA_CLS_FLAGS_VERBOSE)
cls_common->extack = extack;
}
-enum tc_fl_command {
- TC_CLSFLOWER_REPLACE,
- TC_CLSFLOWER_DESTROY,
- TC_CLSFLOWER_STATS,
- TC_CLSFLOWER_TMPLT_CREATE,
- TC_CLSFLOWER_TMPLT_DESTROY,
-};
-
-struct tc_cls_flower_offload {
- struct tc_cls_common_offload common;
- enum tc_fl_command command;
- unsigned long cookie;
- struct flow_rule *rule;
- struct flow_stats stats;
- u32 classid;
-};
-
-static inline struct flow_rule *
-tc_cls_flower_offload_flow_rule(struct tc_cls_flower_offload *tc_flow_cmd)
-{
- return tc_flow_cmd->rule;
-}
-
enum tc_matchall_command {
TC_CLSMATCHALL_REPLACE,
TC_CLSMATCHALL_DESTROY,
@@ -769,7 +640,7 @@ enum tc_matchall_command {
};
struct tc_cls_matchall_offload {
- struct tc_cls_common_offload common;
+ struct flow_cls_common_offload common;
enum tc_matchall_command command;
struct flow_rule *rule;
struct flow_stats stats;
@@ -782,7 +653,7 @@ enum tc_clsbpf_command {
};
struct tc_cls_bpf_offload {
- struct tc_cls_common_offload common;
+ struct flow_cls_common_offload common;
enum tc_clsbpf_command command;
struct tcf_exts *exts;
struct bpf_prog *prog;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.