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-rw-r--r--include/net/act_api.h12
-rw-r--r--include/net/dsa.h455
-rw-r--r--include/net/flow_offload.h35
-rw-r--r--include/net/pkt_cls.h11
-rw-r--r--include/net/switchdev.h90
-rw-r--r--include/net/tc_act/tc_gate.h5
-rw-r--r--include/net/tc_act/tc_police.h30
-rw-r--r--include/net/tsn.h114
-rw-r--r--include/net/xdp_sock.h1
-rw-r--r--include/net/xdp_sock_drv.h22
-rw-r--r--include/net/xsk_buff_pool.h2
11 files changed, 609 insertions, 168 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h
index f19f7f4a463c..6f8fc9fae440 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -88,6 +88,16 @@ static inline void tcf_tm_dump(struct tcf_t *dtm, const struct tcf_t *stm)
dtm->expires = jiffies_to_clock_t(stm->expires);
}
+static inline enum flow_action_hw_stats tc_act_hw_stats(u8 hw_stats)
+{
+ if (WARN_ON_ONCE(hw_stats > TCA_ACT_HW_STATS_ANY))
+ return FLOW_ACTION_HW_STATS_DONT_CARE;
+ else if (!hw_stats)
+ return FLOW_ACTION_HW_STATS_DISABLED;
+
+ return hw_stats;
+}
+
#ifdef CONFIG_NET_CLS_ACT
#define ACT_P_CREATED 1
@@ -121,6 +131,8 @@ struct tc_action_ops {
struct psample_group *
(*get_psample_group)(const struct tc_action *a,
tc_action_priv_destructor *destructor);
+ int (*offload_act_setup)(struct tc_action *act, void *entry_data,
+ u32 *index_inc, bool bind);
};
struct tc_action_net {
diff --git a/include/net/dsa.h b/include/net/dsa.h
index bec439c4a085..65030b388cac 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -51,6 +51,7 @@ struct phylink_link_state;
#define DSA_TAG_PROTO_SEVILLE_VALUE 21
#define DSA_TAG_PROTO_BRCM_LEGACY_VALUE 22
#define DSA_TAG_PROTO_SJA1110_VALUE 23
+#define DSA_TAG_PROTO_RTL8_4_VALUE 24
enum dsa_tag_protocol {
DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE,
@@ -77,6 +78,7 @@ enum dsa_tag_protocol {
DSA_TAG_PROTO_OCELOT_8021Q = DSA_TAG_PROTO_OCELOT_8021Q_VALUE,
DSA_TAG_PROTO_SEVILLE = DSA_TAG_PROTO_SEVILLE_VALUE,
DSA_TAG_PROTO_SJA1110 = DSA_TAG_PROTO_SJA1110_VALUE,
+ DSA_TAG_PROTO_RTL8_4 = DSA_TAG_PROTO_RTL8_4_VALUE,
};
struct dsa_switch;
@@ -86,6 +88,8 @@ struct dsa_device_ops {
struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev);
void (*flow_dissect)(const struct sk_buff *skb, __be16 *proto,
int *offset);
+ int (*connect)(struct dsa_switch *ds);
+ void (*disconnect)(struct dsa_switch *ds);
unsigned int needed_headroom;
unsigned int needed_tailroom;
const char *name;
@@ -112,9 +116,20 @@ struct dsa_netdevice_ops {
#define MODULE_ALIAS_DSA_TAG_DRIVER(__proto) \
MODULE_ALIAS(DSA_TAG_DRIVER_ALIAS __stringify(__proto##_VALUE))
+struct dsa_lag {
+ struct net_device *dev;
+ unsigned int id;
+ struct mutex fdb_lock;
+ struct list_head fdbs;
+ refcount_t refcount;
+};
+
struct dsa_switch_tree {
struct list_head list;
+ /* List of switch ports */
+ struct list_head ports;
+
/* Notifier chain for switch-wide events */
struct raw_notifier_head nh;
@@ -124,8 +139,10 @@ struct dsa_switch_tree {
/* Number of switches attached to this tree */
struct kref refcount;
- /* Has this tree been applied to the hardware? */
- bool setup;
+ /* Maps offloaded LAG netdevs to a zero-based linear ID for
+ * drivers that need it.
+ */
+ struct dsa_lag **lags;
/* Tagging protocol operations */
const struct dsa_device_ops *tag_ops;
@@ -135,54 +152,55 @@ struct dsa_switch_tree {
*/
enum dsa_tag_protocol default_proto;
+ /* Has this tree been applied to the hardware? */
+ bool setup;
+
/*
* Configuration data for the platform device that owns
* this dsa switch tree instance.
*/
struct dsa_platform_data *pd;
- /* List of switch ports */
- struct list_head ports;
-
/* List of DSA links composing the routing table */
struct list_head rtable;
- /* Maps offloaded LAG netdevs to a zero-based linear ID for
- * drivers that need it.
- */
- struct net_device **lags;
+ /* Length of "lags" array */
unsigned int lags_len;
/* Track the largest switch index within a tree */
unsigned int last_switch;
};
+/* LAG IDs are one-based, the dst->lags array is zero-based */
#define dsa_lags_foreach_id(_id, _dst) \
- for ((_id) = 0; (_id) < (_dst)->lags_len; (_id)++) \
- if ((_dst)->lags[(_id)])
+ for ((_id) = 1; (_id) <= (_dst)->lags_len; (_id)++) \
+ if ((_dst)->lags[(_id) - 1])
#define dsa_lag_foreach_port(_dp, _dst, _lag) \
list_for_each_entry((_dp), &(_dst)->ports, list) \
- if ((_dp)->lag_dev == (_lag))
+ if (dsa_port_offloads_lag((_dp), (_lag)))
#define dsa_hsr_foreach_port(_dp, _ds, _hsr) \
list_for_each_entry((_dp), &(_ds)->dst->ports, list) \
if ((_dp)->ds == (_ds) && (_dp)->hsr_dev == (_hsr))
-static inline struct net_device *dsa_lag_dev(struct dsa_switch_tree *dst,
- unsigned int id)
+static inline struct dsa_lag *dsa_lag_by_id(struct dsa_switch_tree *dst,
+ unsigned int id)
{
- return dst->lags[id];
+ /* DSA LAG IDs are one-based, dst->lags is zero-based */
+ return dst->lags[id - 1];
}
static inline int dsa_lag_id(struct dsa_switch_tree *dst,
- struct net_device *lag)
+ struct net_device *lag_dev)
{
unsigned int id;
dsa_lags_foreach_id(id, dst) {
- if (dsa_lag_dev(dst, id) == lag)
- return id;
+ struct dsa_lag *lag = dsa_lag_by_id(dst, id);
+
+ if (lag->dev == lag_dev)
+ return lag->id;
}
return -ENODEV;
@@ -217,6 +235,12 @@ struct dsa_mall_tc_entry {
};
};
+struct dsa_bridge {
+ struct net_device *dev;
+ unsigned int num;
+ bool tx_fwd_offload;
+ refcount_t refcount;
+};
struct dsa_port {
/* A CPU port is physically connected to a master device.
@@ -236,6 +260,10 @@ struct dsa_port {
struct dsa_switch_tree *dst;
struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev);
+ struct dsa_switch *ds;
+
+ unsigned int index;
+
enum {
DSA_PORT_TYPE_UNUSED = 0,
DSA_PORT_TYPE_CPU,
@@ -243,36 +271,40 @@ struct dsa_port {
DSA_PORT_TYPE_USER,
} type;
- struct dsa_switch *ds;
- unsigned int index;
const char *name;
struct dsa_port *cpu_dp;
u8 mac[ETH_ALEN];
+
+ u8 stp_state;
+
+ /* Warning: the following bit fields are not atomic, and updating them
+ * can only be done from code paths where concurrency is not possible
+ * (probe time or under rtnl_lock).
+ */
+ u8 vlan_filtering:1;
+
+ /* Managed by DSA on user ports and by drivers on CPU and DSA ports */
+ u8 learning:1;
+
+ u8 lag_tx_enabled:1;
+
+ u8 devlink_port_setup:1;
+
+ u8 setup:1;
+
struct device_node *dn;
unsigned int ageing_time;
- bool vlan_filtering;
- /* Managed by DSA on user ports and by drivers on CPU and DSA ports */
- bool learning;
- u8 stp_state;
- struct net_device *bridge_dev;
- int bridge_num;
+
+ struct dsa_bridge *bridge;
struct devlink_port devlink_port;
- bool devlink_port_setup;
struct phylink *pl;
struct phylink_config pl_config;
- struct net_device *lag_dev;
- bool lag_tx_enabled;
+ struct dsa_lag *lag;
struct net_device *hsr_dev;
struct list_head list;
/*
- * Give the switch driver somewhere to hang its per-port private data
- * structures (accessible from the tagger).
- */
- void *priv;
-
- /*
* Original copy of the master netdev ethtool_ops
*/
const struct ethtool_ops *orig_ethtool_ops;
@@ -285,10 +317,13 @@ struct dsa_port {
/* List of MAC addresses that must be forwarded on this port.
* These are only valid on CPU ports and DSA links.
*/
+ struct mutex addr_lists_lock;
struct list_head fdbs;
struct list_head mdbs;
- bool setup;
+ /* List of VLANs that CPU and DSA ports are members of. */
+ struct mutex vlans_lock;
+ struct list_head vlans;
};
/* TODO: ideally DSA ports would have a single dp->link_dp member,
@@ -302,16 +337,37 @@ struct dsa_link {
struct list_head list;
};
+enum dsa_db_type {
+ DSA_DB_PORT,
+ DSA_DB_LAG,
+ DSA_DB_BRIDGE,
+};
+
+struct dsa_db {
+ enum dsa_db_type type;
+
+ union {
+ const struct dsa_port *dp;
+ struct dsa_lag lag;
+ struct dsa_bridge bridge;
+ };
+};
+
struct dsa_mac_addr {
unsigned char addr[ETH_ALEN];
u16 vid;
refcount_t refcount;
struct list_head list;
+ struct dsa_db db;
};
-struct dsa_switch {
- bool setup;
+struct dsa_vlan {
+ u16 vid;
+ refcount_t refcount;
+ struct list_head list;
+};
+struct dsa_switch {
struct device *dev;
/*
@@ -320,6 +376,64 @@ struct dsa_switch {
struct dsa_switch_tree *dst;
unsigned int index;
+ /* Warning: the following bit fields are not atomic, and updating them
+ * can only be done from code paths where concurrency is not possible
+ * (probe time or under rtnl_lock).
+ */
+ u32 setup:1;
+
+ /* Disallow bridge core from requesting different VLAN awareness
+ * settings on ports if not hardware-supported
+ */
+ u32 vlan_filtering_is_global:1;
+
+ /* Keep VLAN filtering enabled on ports not offloading any upper */
+ u32 needs_standalone_vlan_filtering:1;
+
+ /* Pass .port_vlan_add and .port_vlan_del to drivers even for bridges
+ * that have vlan_filtering=0. All drivers should ideally set this (and
+ * then the option would get removed), but it is unknown whether this
+ * would break things or not.
+ */
+ u32 configure_vlan_while_not_filtering:1;
+
+ /* If the switch driver always programs the CPU port as egress tagged
+ * despite the VLAN configuration indicating otherwise, then setting
+ * @untag_bridge_pvid will force the DSA receive path to pop the
+ * bridge's default_pvid VLAN tagged frames to offer a consistent
+ * behavior between a vlan_filtering=0 and vlan_filtering=1 bridge
+ * device.
+ */
+ u32 untag_bridge_pvid:1;
+
+ /* Let DSA manage the FDB entries towards the
+ * CPU, based on the software bridge database.
+ */
+ u32 assisted_learning_on_cpu_port:1;
+
+ /* In case vlan_filtering_is_global is set, the VLAN awareness state
+ * should be retrieved from here and not from the per-port settings.
+ */
+ u32 vlan_filtering:1;
+
+ /* MAC PCS does not provide link state change interrupt, and requires
+ * polling. Flag passed on to PHYLINK.
+ */
+ u32 pcs_poll:1;
+
+ /* For switches that only have the MRU configurable. To ensure the
+ * configured MTU is not exceeded, normalization of MRU on all bridged
+ * interfaces is needed.
+ */
+ u32 mtu_enforcement_ingress:1;
+
+ /* Drivers that isolate the FDBs of multiple bridges must set this
+ * to true to receive the bridge as an argument in .port_fdb_{add,del}
+ * and .port_mdb_{add,del}. Otherwise, the bridge.num will always be
+ * passed as zero.
+ */
+ u32 fdb_isolation:1;
+
/* Listener for switch fabric events */
struct notifier_block nb;
@@ -329,6 +443,8 @@ struct dsa_switch {
*/
void *priv;
+ void *tagger_data;
+
/*
* Configuration data for this switch.
*/
@@ -358,50 +474,6 @@ struct dsa_switch {
/* Number of switch port queues */
unsigned int num_tx_queues;
- /* Disallow bridge core from requesting different VLAN awareness
- * settings on ports if not hardware-supported
- */
- bool vlan_filtering_is_global;
-
- /* Keep VLAN filtering enabled on ports not offloading any upper. */
- bool needs_standalone_vlan_filtering;
-
- /* Pass .port_vlan_add and .port_vlan_del to drivers even for bridges
- * that have vlan_filtering=0. All drivers should ideally set this (and
- * then the option would get removed), but it is unknown whether this
- * would break things or not.
- */
- bool configure_vlan_while_not_filtering;
-
- /* If the switch driver always programs the CPU port as egress tagged
- * despite the VLAN configuration indicating otherwise, then setting
- * @untag_bridge_pvid will force the DSA receive path to pop the bridge's
- * default_pvid VLAN tagged frames to offer a consistent behavior
- * between a vlan_filtering=0 and vlan_filtering=1 bridge device.
- */
- bool untag_bridge_pvid;
-
- /* Let DSA manage the FDB entries towards the CPU, based on the
- * software bridge database.
- */
- bool assisted_learning_on_cpu_port;
-
- /* In case vlan_filtering_is_global is set, the VLAN awareness state
- * should be retrieved from here and not from the per-port settings.
- */
- bool vlan_filtering;
-
- /* MAC PCS does not provide link state change interrupt, and requires
- * polling. Flag passed on to PHYLINK.
- */
- bool pcs_poll;
-
- /* For switches that only have the MRU configurable. To ensure the
- * configured MTU is not exceeded, normalization of MRU on all bridged
- * interfaces is needed.
- */
- bool mtu_enforcement_ingress;
-
/* Drivers that benefit from having an ID associated with each
* offloaded LAG should set this to the maximum number of
* supported IDs. DSA will then maintain a mapping of _at
@@ -410,14 +482,14 @@ struct dsa_switch {
*/
unsigned int num_lag_ids;
- /* Drivers that support bridge forwarding offload should set this to
- * the maximum number of bridges spanning the same switch tree (or all
- * trees, in the case of cross-tree bridging support) that can be
- * offloaded.
+ /* Drivers that support bridge forwarding offload or FDB isolation
+ * should set this to the maximum number of bridges spanning the same
+ * switch tree (or all trees, in the case of cross-tree bridging
+ * support) that can be offloaded.
*/
- unsigned int num_fwd_offloading_bridges;
+ unsigned int max_num_bridges;
- size_t num_ports;
+ unsigned int num_ports;
};
static inline struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p)
@@ -502,12 +574,11 @@ static inline bool dsa_is_user_port(struct dsa_switch *ds, int p)
static inline u32 dsa_user_ports(struct dsa_switch *ds)
{
+ struct dsa_port *dp;
u32 mask = 0;
- int p;
- for (p = 0; p < ds->num_ports; p++)
- if (dsa_is_user_port(ds, p))
- mask |= BIT(p);
+ dsa_switch_for_each_user_port(dp, ds)
+ mask |= BIT(dp->index);
return mask;
}
@@ -556,6 +627,24 @@ static inline bool dsa_is_upstream_port(struct dsa_switch *ds, int port)
return port == dsa_upstream_port(ds, port);
}
+/* Return true if this is a DSA port leading away from the CPU */
+static inline bool dsa_is_downstream_port(struct dsa_switch *ds, int port)
+{
+ return dsa_is_dsa_port(ds, port) && !dsa_is_upstream_port(ds, port);
+}
+
+/* Return the local port used to reach the CPU port */
+static inline unsigned int dsa_switch_upstream_port(struct dsa_switch *ds)
+{
+ struct dsa_port *dp;
+
+ dsa_switch_for_each_available_port(dp, ds) {
+ return dsa_upstream_port(ds, dp->index);
+ }
+
+ return ds->num_ports;
+}
+
/* Return true if @upstream_ds is an upstream switch of @downstream_ds, meaning
* that the routing port from @downstream_ds to @upstream_ds is also the port
* which @downstream_ds uses to reach its dedicated CPU.
@@ -583,20 +672,106 @@ static inline bool dsa_port_is_vlan_filtering(const struct dsa_port *dp)
return dp->vlan_filtering;
}
+static inline unsigned int dsa_port_lag_id_get(struct dsa_port *dp)
+{
+ return dp->lag ? dp->lag->id : 0;
+}
+
+static inline struct net_device *dsa_port_lag_dev_get(struct dsa_port *dp)
+{
+ return dp->lag ? dp->lag->dev : NULL;
+}
+
+static inline bool dsa_port_offloads_lag(struct dsa_port *dp,
+ const struct dsa_lag *lag)
+{
+ return dsa_port_lag_dev_get(dp) == lag->dev;
+}
+
static inline
struct net_device *dsa_port_to_bridge_port(const struct dsa_port *dp)
{
- if (!dp->bridge_dev)
+ if (!dp->bridge)
return NULL;
- if (dp->lag_dev)
- return dp->lag_dev;
+ if (dp->lag)
+ return dp->lag->dev;
else if (dp->hsr_dev)
return dp->hsr_dev;
return dp->slave;
}
+static inline struct net_device *
+dsa_port_bridge_dev_get(const struct dsa_port *dp)
+{
+ return dp->bridge ? dp->bridge->dev : NULL;
+}
+
+static inline unsigned int dsa_port_bridge_num_get(struct dsa_port *dp)
+{
+ return dp->bridge ? dp->bridge->num : 0;
+}
+
+static inline bool dsa_port_bridge_same(const struct dsa_port *a,
+ const struct dsa_port *b)
+{
+ struct net_device *br_a = dsa_port_bridge_dev_get(a);
+ struct net_device *br_b = dsa_port_bridge_dev_get(b);
+
+ /* Standalone ports are not in the same bridge with one another */
+ return (!br_a || !br_b) ? false : (br_a == br_b);
+}
+
+static inline bool dsa_port_offloads_bridge_port(struct dsa_port *dp,
+ const struct net_device *dev)
+{
+ return dsa_port_to_bridge_port(dp) == dev;
+}
+
+static inline bool
+dsa_port_offloads_bridge_dev(struct dsa_port *dp,
+ const struct net_device *bridge_dev)
+{
+ /* DSA ports connected to a bridge, and event was emitted
+ * for the bridge.
+ */
+ return dsa_port_bridge_dev_get(dp) == bridge_dev;
+}
+
+static inline bool dsa_port_offloads_bridge(struct dsa_port *dp,
+ const struct dsa_bridge *bridge)
+{
+ return dsa_port_bridge_dev_get(dp) == bridge->dev;
+}
+
+/* Returns true if any port of this tree offloads the given net_device */
+static inline bool dsa_tree_offloads_bridge_port(struct dsa_switch_tree *dst,
+ const struct net_device *dev)
+{
+ struct dsa_port *dp;
+
+ list_for_each_entry(dp, &dst->ports, list)
+ if (dsa_port_offloads_bridge_port(dp, dev))
+ return true;
+
+ return false;
+}
+
+/* Returns true if any port of this tree offloads the given bridge */
+static inline bool
+dsa_tree_offloads_bridge_dev(struct dsa_switch_tree *dst,
+ const struct net_device *bridge_dev)
+{
+ struct dsa_port *dp;
+
+ list_for_each_entry(dp, &dst->ports, list)
+ if (dsa_port_offloads_bridge_dev(dp, bridge_dev))
+ return true;
+
+ return false;
+}
+
typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid,
bool is_static, void *data);
struct dsa_switch_ops {
@@ -612,6 +787,13 @@ struct dsa_switch_ops {
enum dsa_tag_protocol mprot);
int (*change_tag_protocol)(struct dsa_switch *ds, int port,
enum dsa_tag_protocol proto);
+ /*
+ * Method for switch drivers to connect to the tagging protocol driver
+ * in current use. The switch driver can provide handlers for certain
+ * types of packets for switch management.
+ */
+ int (*connect_tag_protocol)(struct dsa_switch *ds,
+ enum dsa_tag_protocol proto);
/* Optional switch-wide initialization and destruction methods */
int (*setup)(struct dsa_switch *ds);
@@ -643,6 +825,8 @@ struct dsa_switch_ops {
/*
* PHYLINK integration
*/
+ void (*phylink_get_caps)(struct dsa_switch *ds, int port,
+ struct phylink_config *config);
void (*phylink_validate)(struct dsa_switch *ds, int port,
unsigned long *supported,
struct phylink_link_state *state);
@@ -673,6 +857,12 @@ struct dsa_switch_ops {
int (*get_sset_count)(struct dsa_switch *ds, int port, int sset);
void (*get_ethtool_phy_stats)(struct dsa_switch *ds,
int port, uint64_t *data);
+ void (*get_eth_phy_stats)(struct dsa_switch *ds, int port,
+ struct ethtool_eth_phy_stats *phy_stats);
+ void (*get_eth_mac_stats)(struct dsa_switch *ds, int port,
+ struct ethtool_eth_mac_stats *mac_stats);
+ void (*get_eth_ctrl_stats)(struct dsa_switch *ds, int port,
+ struct ethtool_eth_ctrl_stats *ctrl_stats);
void (*get_stats64)(struct dsa_switch *ds, int port,
struct rtnl_link_stats64 *s);
void (*self_test)(struct dsa_switch *ds, int port,
@@ -693,6 +883,18 @@ struct dsa_switch_ops {
struct ethtool_ts_info *ts);
/*
+ * DCB ops
+ */
+ int (*port_get_default_prio)(struct dsa_switch *ds, int port);
+ int (*port_set_default_prio)(struct dsa_switch *ds, int port,
+ u8 prio);
+ int (*port_get_dscp_prio)(struct dsa_switch *ds, int port, u8 dscp);
+ int (*port_add_dscp_prio)(struct dsa_switch *ds, int port, u8 dscp,
+ u8 prio);
+ int (*port_del_dscp_prio)(struct dsa_switch *ds, int port, u8 dscp,
+ u8 prio);
+
+ /*
* Suspend and resume
*/
int (*suspend)(struct dsa_switch *ds);
@@ -738,17 +940,11 @@ struct dsa_switch_ops {
*/
int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs);
int (*port_bridge_join)(struct dsa_switch *ds, int port,
- struct net_device *bridge);
+ struct dsa_bridge bridge,
+ bool *tx_fwd_offload,
+ struct netlink_ext_ack *extack);
void (*port_bridge_leave)(struct dsa_switch *ds, int port,
- struct net_device *bridge);
- /* Called right after .port_bridge_join() */
- int (*port_bridge_tx_fwd_offload)(struct dsa_switch *ds, int port,
- struct net_device *bridge,
- int bridge_num);
- /* Called right before .port_bridge_leave() */
- void (*port_bridge_tx_fwd_unoffload)(struct dsa_switch *ds, int port,
- struct net_device *bridge,
- int bridge_num);
+ struct dsa_bridge bridge);
void (*port_stp_state_set)(struct dsa_switch *ds, int port,
u8 state);
void (*port_fast_age)(struct dsa_switch *ds, int port);
@@ -774,19 +970,29 @@ struct dsa_switch_ops {
* Forwarding database
*/
int (*port_fdb_add)(struct dsa_switch *ds, int port,
- const unsigned char *addr, u16 vid);
+ const unsigned char *addr, u16 vid,
+ struct dsa_db db);
int (*port_fdb_del)(struct dsa_switch *ds, int port,
- const unsigned char *addr, u16 vid);
+ const unsigned char *addr, u16 vid,
+ struct dsa_db db);
int (*port_fdb_dump)(struct dsa_switch *ds, int port,
dsa_fdb_dump_cb_t *cb, void *data);
+ int (*lag_fdb_add)(struct dsa_switch *ds, struct dsa_lag lag,
+ const unsigned char *addr, u16 vid,
+ struct dsa_db db);
+ int (*lag_fdb_del)(struct dsa_switch *ds, struct dsa_lag lag,
+ const unsigned char *addr, u16 vid,
+ struct dsa_db db);
/*
* Multicast database
*/
int (*port_mdb_add)(struct dsa_switch *ds, int port,
- const struct switchdev_obj_port_mdb *mdb);
+ const struct switchdev_obj_port_mdb *mdb,
+ struct dsa_db db);
int (*port_mdb_del)(struct dsa_switch *ds, int port,
- const struct switchdev_obj_port_mdb *mdb);
+ const struct switchdev_obj_port_mdb *mdb,
+ struct dsa_db db);
/*
* RXNFC
*/
@@ -806,7 +1012,7 @@ struct dsa_switch_ops {
struct flow_cls_offload *cls, bool ingress);
int (*port_mirror_add)(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror,
- bool ingress);
+ bool ingress, struct netlink_ext_ack *extack);
void (*port_mirror_del)(struct dsa_switch *ds, int port,
struct dsa_mall_mirror_tc_entry *mirror);
int (*port_policer_add)(struct dsa_switch *ds, int port,
@@ -820,17 +1026,18 @@ struct dsa_switch_ops {
*/
int (*crosschip_bridge_join)(struct dsa_switch *ds, int tree_index,
int sw_index, int port,
- struct net_device *br);
+ struct dsa_bridge bridge,
+ struct netlink_ext_ack *extack);
void (*crosschip_bridge_leave)(struct dsa_switch *ds, int tree_index,
int sw_index, int port,
- struct net_device *br);
+ struct dsa_bridge bridge);
int (*crosschip_lag_change)(struct dsa_switch *ds, int sw_index,
int port);
int (*crosschip_lag_join)(struct dsa_switch *ds, int sw_index,
- int port, struct net_device *lag,
+ int port, struct dsa_lag lag,
struct netdev_lag_upper_info *info);
int (*crosschip_lag_leave)(struct dsa_switch *ds, int sw_index,
- int port, struct net_device *lag);
+ int port, struct dsa_lag lag);
/*
* PTP functionality
@@ -902,10 +1109,10 @@ struct dsa_switch_ops {
*/
int (*port_lag_change)(struct dsa_switch *ds, int port);
int (*port_lag_join)(struct dsa_switch *ds, int port,
- struct net_device *lag,
+ struct dsa_lag lag,
struct netdev_lag_upper_info *info);
int (*port_lag_leave)(struct dsa_switch *ds, int port,
- struct net_device *lag);
+ struct dsa_lag lag);
/*
* HSR integration
@@ -1009,6 +1216,19 @@ struct dsa_switch_driver {
struct net_device *dsa_dev_to_net_device(struct device *dev);
+typedef int dsa_fdb_walk_cb_t(struct dsa_switch *ds, int port,
+ const unsigned char *addr, u16 vid,
+ struct dsa_db db);
+
+int dsa_port_walk_fdbs(struct dsa_switch *ds, int port, dsa_fdb_walk_cb_t cb);
+int dsa_port_walk_mdbs(struct dsa_switch *ds, int port, dsa_fdb_walk_cb_t cb);
+bool dsa_fdb_present_in_other_db(struct dsa_switch *ds, int port,
+ const unsigned char *addr, u16 vid,
+ struct dsa_db db);
+bool dsa_mdb_present_in_other_db(struct dsa_switch *ds, int port,
+ const struct switchdev_obj_port_mdb *mdb,
+ struct dsa_db db);
+
/* Keep inline for faster access in hot path */
static inline bool netdev_uses_dsa(const struct net_device *dev)
{
@@ -1108,9 +1328,6 @@ static inline bool dsa_slave_dev_check(const struct net_device *dev)
#endif
netdev_tx_t dsa_enqueue_skb(struct sk_buff *skb, struct net_device *dev);
-int dsa_port_get_phy_strings(struct dsa_port *dp, uint8_t *data);
-int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data);
-int dsa_port_get_phy_sset_count(struct dsa_port *dp);
void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up);
struct dsa_tag_driver {
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 7a2b0223a02c..28c44f7a9f5b 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -148,6 +148,8 @@ enum flow_action_id {
FLOW_ACTION_MPLS_MANGLE,
FLOW_ACTION_GATE,
FLOW_ACTION_PPPOE_PUSH,
+ FLOW_ACTION_JUMP,
+ FLOW_ACTION_PIPE,
NUM_FLOW_ACTIONS,
};
@@ -197,6 +199,7 @@ void flow_action_cookie_destroy(struct flow_action_cookie *cookie);
struct flow_action_entry {
enum flow_action_id id;
+ u32 hw_index;
enum flow_action_hw_stats hw_stats;
action_destr destructor;
void *destructor_priv;
@@ -232,12 +235,18 @@ struct flow_action_entry {
bool truncate;
} sample;
struct { /* FLOW_ACTION_POLICE */
- u32 index;
u32 burst;
u64 rate_bytes_ps;
+ u64 peakrate_bytes_ps;
+ u32 avrate;
+ u16 overhead;
u64 burst_pkt;
u64 rate_pkt_ps;
u32 mtu;
+ struct {
+ enum flow_action_id act_id;
+ u32 extval;
+ } exceed, notexceed;
} police;
struct { /* FLOW_ACTION_CT */
int action;
@@ -267,7 +276,6 @@ struct flow_action_entry {
u8 ttl;
} mpls_mangle;
struct {
- u32 index;
s32 prio;
u64 basetime;
u64 cycletime;
@@ -303,6 +311,12 @@ static inline bool flow_offload_has_one_action(const struct flow_action *action)
return action->num_entries == 1;
}
+static inline bool flow_action_is_last_entry(const struct flow_action *action,
+ const struct flow_action_entry *entry)
+{
+ return entry == &action->entries[action->num_entries - 1];
+}
+
#define flow_action_for_each(__i, __act, __actions) \
for (__i = 0, __act = &(__actions)->entries[0]; \
__i < (__actions)->num_entries; \
@@ -552,6 +566,23 @@ struct flow_cls_offload {
u32 classid;
};
+enum offload_act_command {
+ FLOW_ACT_REPLACE,
+ FLOW_ACT_DESTROY,
+ FLOW_ACT_STATS,
+};
+
+struct flow_offload_action {
+ struct netlink_ext_ack *extack; /* NULL in FLOW_ACT_STATS process*/
+ enum offload_act_command command;
+ enum flow_action_id id;
+ u32 index;
+ struct flow_stats stats;
+ struct flow_action action;
+};
+
+struct flow_offload_action *offload_action_alloc(unsigned int num_actions);
+
static inline struct flow_rule *
flow_cls_offload_flow_rule(struct flow_cls_offload *flow_cmd)
{
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 83a6d0792180..6b7a3557cf27 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -258,6 +258,9 @@ static inline void tcf_exts_put_net(struct tcf_exts *exts)
for (; 0; (void)(i), (void)(a), (void)(exts))
#endif
+#define tcf_act_for_each_action(i, a, actions) \
+ for (i = 0; i < TCA_ACT_MAX_PRIO && ((a) = actions[i]); i++)
+
static inline void
tcf_exts_stats_update(const struct tcf_exts *exts,
u64 bytes, u64 packets, u64 drops, u64 lastuse,
@@ -532,9 +535,11 @@ tcf_match_indev(struct sk_buff *skb, int ifindex)
return ifindex == skb->skb_iif;
}
-int tc_setup_flow_action(struct flow_action *flow_action,
- const struct tcf_exts *exts);
-void tc_cleanup_flow_action(struct flow_action *flow_action);
+int tc_setup_offload_action(struct flow_action *flow_action,
+ const struct tcf_exts *exts);
+void tc_cleanup_offload_action(struct flow_action *flow_action);
+int tc_setup_action(struct flow_action *flow_action,
+ struct tc_action *actions[]);
int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type,
void *type_data, bool err_stop, bool rtnl_held);
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 60d806b6a5ae..3e424d40fae3 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -81,6 +81,13 @@ struct switchdev_obj_port_vlan {
struct switchdev_obj obj;
u16 flags;
u16 vid;
+ /* If set, the notifier signifies a change of one of the following
+ * flags for a VLAN that already exists:
+ * - BRIDGE_VLAN_INFO_PVID
+ * - BRIDGE_VLAN_INFO_UNTAGGED
+ * Entries with BRIDGE_VLAN_INFO_BRENTRY unset are not notified at all.
+ */
+ bool changed;
};
#define SWITCHDEV_OBJ_PORT_VLAN(OBJ) \
@@ -299,29 +306,14 @@ void switchdev_port_fwd_mark_set(struct net_device *dev,
struct net_device *group_dev,
bool joining);
-int switchdev_handle_fdb_add_to_device(struct net_device *dev,
+int switchdev_handle_fdb_event_to_device(struct net_device *dev, unsigned long event,
const struct switchdev_notifier_fdb_info *fdb_info,
bool (*check_cb)(const struct net_device *dev),
bool (*foreign_dev_check_cb)(const struct net_device *dev,
const struct net_device *foreign_dev),
- int (*add_cb)(struct net_device *dev,
- const struct net_device *orig_dev, const void *ctx,
- const struct switchdev_notifier_fdb_info *fdb_info),
- int (*lag_add_cb)(struct net_device *dev,
- const struct net_device *orig_dev, const void *ctx,
- const struct switchdev_notifier_fdb_info *fdb_info));
-
-int switchdev_handle_fdb_del_to_device(struct net_device *dev,
- const struct switchdev_notifier_fdb_info *fdb_info,
- bool (*check_cb)(const struct net_device *dev),
- bool (*foreign_dev_check_cb)(const struct net_device *dev,
- const struct net_device *foreign_dev),
- int (*del_cb)(struct net_device *dev,
- const struct net_device *orig_dev, const void *ctx,
- const struct switchdev_notifier_fdb_info *fdb_info),
- int (*lag_del_cb)(struct net_device *dev,
- const struct net_device *orig_dev, const void *ctx,
- const struct switchdev_notifier_fdb_info *fdb_info));
+ int (*mod_cb)(struct net_device *dev, struct net_device *orig_dev,
+ unsigned long event, const void *ctx,
+ const struct switchdev_notifier_fdb_info *fdb_info));
int switchdev_handle_port_obj_add(struct net_device *dev,
struct switchdev_notifier_port_obj_info *port_obj_info,
@@ -329,11 +321,26 @@ int switchdev_handle_port_obj_add(struct net_device *dev,
int (*add_cb)(struct net_device *dev, const void *ctx,
const struct switchdev_obj *obj,
struct netlink_ext_ack *extack));
+int switchdev_handle_port_obj_add_foreign(struct net_device *dev,
+ struct switchdev_notifier_port_obj_info *port_obj_info,
+ bool (*check_cb)(const struct net_device *dev),
+ bool (*foreign_dev_check_cb)(const struct net_device *dev,
+ const struct net_device *foreign_dev),
+ int (*add_cb)(struct net_device *dev, const void *ctx,
+ const struct switchdev_obj *obj,
+ struct netlink_ext_ack *extack));
int switchdev_handle_port_obj_del(struct net_device *dev,
struct switchdev_notifier_port_obj_info *port_obj_info,
bool (*check_cb)(const struct net_device *dev),
int (*del_cb)(struct net_device *dev, const void *ctx,
const struct switchdev_obj *obj));
+int switchdev_handle_port_obj_del_foreign(struct net_device *dev,
+ struct switchdev_notifier_port_obj_info *port_obj_info,
+ bool (*check_cb)(const struct net_device *dev),
+ bool (*foreign_dev_check_cb)(const struct net_device *dev,
+ const struct net_device *foreign_dev),
+ int (*del_cb)(struct net_device *dev, const void *ctx,
+ const struct switchdev_obj *obj));
int switchdev_handle_port_attr_set(struct net_device *dev,
struct switchdev_notifier_port_attr_info *port_attr_info,
@@ -426,41 +433,34 @@ call_switchdev_blocking_notifiers(unsigned long val,
}
static inline int
-switchdev_handle_fdb_add_to_device(struct net_device *dev,
+switchdev_handle_fdb_event_to_device(struct net_device *dev, unsigned long event,
const struct switchdev_notifier_fdb_info *fdb_info,
bool (*check_cb)(const struct net_device *dev),
bool (*foreign_dev_check_cb)(const struct net_device *dev,
const struct net_device *foreign_dev),
- int (*add_cb)(struct net_device *dev,
- const struct net_device *orig_dev, const void *ctx,
- const struct switchdev_notifier_fdb_info *fdb_info),
- int (*lag_add_cb)(struct net_device *dev,
- const struct net_device *orig_dev, const void *ctx,
- const struct switchdev_notifier_fdb_info *fdb_info))
+ int (*mod_cb)(struct net_device *dev, struct net_device *orig_dev,
+ unsigned long event, const void *ctx,
+ const struct switchdev_notifier_fdb_info *fdb_info))
{
return 0;
}
static inline int
-switchdev_handle_fdb_del_to_device(struct net_device *dev,
- const struct switchdev_notifier_fdb_info *fdb_info,
- bool (*check_cb)(const struct net_device *dev),
- bool (*foreign_dev_check_cb)(const struct net_device *dev,
- const struct net_device *foreign_dev),
- int (*del_cb)(struct net_device *dev,
- const struct net_device *orig_dev, const void *ctx,
- const struct switchdev_notifier_fdb_info *fdb_info),
- int (*lag_del_cb)(struct net_device *dev,
- const struct net_device *orig_dev, const void *ctx,
- const struct switchdev_notifier_fdb_info *fdb_info))
+switchdev_handle_port_obj_add(struct net_device *dev,
+ struct switchdev_notifier_port_obj_info *port_obj_info,
+ bool (*check_cb)(const struct net_device *dev),
+ int (*add_cb)(struct net_device *dev, const void *ctx,
+ const struct switchdev_obj *obj,
+ struct netlink_ext_ack *extack))
{
return 0;
}
-static inline int
-switchdev_handle_port_obj_add(struct net_device *dev,
+static inline int switchdev_handle_port_obj_add_foreign(struct net_device *dev,
struct switchdev_notifier_port_obj_info *port_obj_info,
bool (*check_cb)(const struct net_device *dev),
+ bool (*foreign_dev_check_cb)(const struct net_device *dev,
+ const struct net_device *foreign_dev),
int (*add_cb)(struct net_device *dev, const void *ctx,
const struct switchdev_obj *obj,
struct netlink_ext_ack *extack))
@@ -479,6 +479,18 @@ switchdev_handle_port_obj_del(struct net_device *dev,
}
static inline int
+switchdev_handle_port_obj_del_foreign(struct net_device *dev,
+ struct switchdev_notifier_port_obj_info *port_obj_info,
+ bool (*check_cb)(const struct net_device *dev),
+ bool (*foreign_dev_check_cb)(const struct net_device *dev,
+ const struct net_device *foreign_dev),
+ int (*del_cb)(struct net_device *dev, const void *ctx,
+ const struct switchdev_obj *obj))
+{
+ return 0;
+}
+
+static inline int
switchdev_handle_port_attr_set(struct net_device *dev,
struct switchdev_notifier_port_attr_info *port_attr_info,
bool (*check_cb)(const struct net_device *dev),
diff --git a/include/net/tc_act/tc_gate.h b/include/net/tc_act/tc_gate.h
index 8bc6be81a7ad..c8fa11ebb397 100644
--- a/include/net/tc_act/tc_gate.h
+++ b/include/net/tc_act/tc_gate.h
@@ -60,11 +60,6 @@ static inline bool is_tcf_gate(const struct tc_action *a)
return false;
}
-static inline u32 tcf_gate_index(const struct tc_action *a)
-{
- return a->tcfa_index;
-}
-
static inline s32 tcf_gate_prio(const struct tc_action *a)
{
s32 tcfg_prio;
diff --git a/include/net/tc_act/tc_police.h b/include/net/tc_act/tc_police.h
index 72649512dcdd..283bde711a42 100644
--- a/include/net/tc_act/tc_police.h
+++ b/include/net/tc_act/tc_police.h
@@ -159,4 +159,34 @@ static inline u32 tcf_police_tcfp_mtu(const struct tc_action *act)
return params->tcfp_mtu;
}
+static inline u64 tcf_police_peakrate_bytes_ps(const struct tc_action *act)
+{
+ struct tcf_police *police = to_police(act);
+ struct tcf_police_params *params;
+
+ params = rcu_dereference_protected(police->params,
+ lockdep_is_held(&police->tcf_lock));
+ return params->peak.rate_bytes_ps;
+}
+
+static inline u32 tcf_police_tcfp_ewma_rate(const struct tc_action *act)
+{
+ struct tcf_police *police = to_police(act);
+ struct tcf_police_params *params;
+
+ params = rcu_dereference_protected(police->params,
+ lockdep_is_held(&police->tcf_lock));
+ return params->tcfp_ewma_rate;
+}
+
+static inline u16 tcf_police_rate_overhead(const struct tc_action *act)
+{
+ struct tcf_police *police = to_police(act);
+ struct tcf_police_params *params;
+
+ params = rcu_dereference_protected(police->params,
+ lockdep_is_held(&police->tcf_lock));
+ return params->rate.overhead;
+}
+
#endif /* __NET_TC_POLICE_H */
diff --git a/include/net/tsn.h b/include/net/tsn.h
new file mode 100644
index 000000000000..f1c53bae76be
--- /dev/null
+++ b/include/net/tsn.h
@@ -0,0 +1,114 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
+/* Copyright 2017-2019 NXP */
+
+#ifndef __TSN_H__
+#define __TSN_H__
+
+#include <linux/notifier.h>
+#include <uapi/linux/tsn.h>
+
+enum tsn_notifier_type {
+ TSN_QBV_CONFIGCHANGETIME_ARRIVE = 1,
+};
+
+struct tsn_notifier_info {
+ struct net_device *dev;
+ union {
+ struct tsn_qbv_conf qbv_notify;
+ struct tsn_qci_psfp_sgi_conf qci_notify;
+ } ntdata;
+};
+
+static inline struct net_device *
+tsn_notifier_info_to_dev(const struct tsn_notifier_info *info)
+{
+ return info->dev;
+}
+
+struct tsn_ops {
+ void (*device_init)(struct net_device *ndev);
+ void (*device_deinit)(struct net_device *ndev);
+ u32 (*get_capability)(struct net_device *ndev);
+ /* Qbv standard */
+ int (*qbv_set)(struct net_device *ndev, struct tsn_qbv_conf *qbvconf);
+ int (*qbv_get)(struct net_device *ndev, struct tsn_qbv_conf *qbvconf);
+ int (*qbv_get_status)(struct net_device *ndev,
+ struct tsn_qbv_status *qbvstat);
+ int (*cb_streamid_set)(struct net_device *ndev, u32 index,
+ bool enable, struct tsn_cb_streamid *sid);
+ int (*cb_streamid_get)(struct net_device *ndev, u32 index,
+ struct tsn_cb_streamid *sid);
+ int (*cb_streamid_counters_get)(struct net_device *ndev, u32 index,
+ struct tsn_cb_streamid_counters *sidcounter);
+ int (*qci_get_maxcap)(struct net_device *ndev,
+ struct tsn_qci_psfp_stream_param *qcicapa);
+ int (*qci_sfi_set)(struct net_device *ndev, u32 index, bool enable,
+ struct tsn_qci_psfp_sfi_conf *sficonf);
+ /* return: 0 stream filter instance not valid
+ * 1 stream filter instance valid
+ * -1 error happened
+ */
+ int (*qci_sfi_get)(struct net_device *ndev, u32 index,
+ struct tsn_qci_psfp_sfi_conf *sficonf);
+ int (*qci_sfi_counters_get)(struct net_device *ndev, u32 index,
+ struct tsn_qci_psfp_sfi_counters *sficounter);
+ int (*qci_sgi_set)(struct net_device *ndev, u32 index,
+ struct tsn_qci_psfp_sgi_conf *sgiconf);
+ int (*qci_sgi_get)(struct net_device *ndev, u32 index,
+ struct tsn_qci_psfp_sgi_conf *sgiconf);
+ int (*qci_sgi_status_get)(struct net_device *ndev, u16 index,
+ struct tsn_psfp_sgi_status *sgistat);
+ int (*qci_fmi_set)(struct net_device *ndev, u32 index, bool enable,
+ struct tsn_qci_psfp_fmi *fmi);
+ int (*qci_fmi_get)(struct net_device *ndev, u32 index,
+ struct tsn_qci_psfp_fmi *fmi,
+ struct tsn_qci_psfp_fmi_counters *counters);
+ int (*cbs_set)(struct net_device *ndev, u8 tc, u8 bw);
+ int (*cbs_get)(struct net_device *ndev, u8 tc);
+ /* To set a 8 bits vector shows 8 traffic classes
+ * preemtable(1) or express(0)
+ */
+ int (*qbu_set)(struct net_device *ndev, u8 ptvector);
+ /* To get port preemtion status */
+ int (*qbu_get)(struct net_device *ndev,
+ struct tsn_preempt_status *preemptstat);
+ int (*tsd_set)(struct net_device *ndev, struct tsn_tsd *tsd);
+ int (*tsd_get)(struct net_device *ndev, struct tsn_tsd_status *stats);
+ int (*ct_set)(struct net_device *ndev, u8 cut_thru);
+ int (*cbgen_set)(struct net_device *ndev, u32 index,
+ struct tsn_seq_gen_conf *seqgen);
+ int (*cbrec_set)(struct net_device *ndev, u32 index,
+ struct tsn_seq_rec_conf *seqrec);
+ int (*cb_get)(struct net_device *ndev, u32 index,
+ struct tsn_cb_status *c);
+ int (*dscp_set)(struct net_device *ndev, bool enable,
+ const u8 dscp_ix,
+ struct tsn_qos_switch_dscp_conf *c);
+};
+
+enum ethdev_type {
+ TSN_SWITCH,
+ TSN_ENDPOINT,
+};
+
+#define GROUP_OFFSET_SWITCH 256
+
+struct tsn_port {
+ u16 groupid;
+ struct tsn_ops *tsnops;
+ struct net_device *netdev;
+ struct list_head list;
+ enum ethdev_type type;
+ u8 tc_nums;
+ struct tsn_notifier_info nd;
+};
+
+struct tsn_port *tsn_get_port(struct net_device *ndev);
+int register_tsn_notifier(struct notifier_block *nb);
+int unregister_tsn_notifier(struct notifier_block *nb);
+int call_tsn_notifiers(unsigned long val, struct net_device *dev,
+ struct tsn_notifier_info *info);
+int tsn_port_register(struct net_device *netdev,
+ struct tsn_ops *tsnops, u16 groupid);
+void tsn_port_unregister(struct net_device *netdev);
+#endif
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h
index fff069d2ed1b..e1208788302c 100644
--- a/include/net/xdp_sock.h
+++ b/include/net/xdp_sock.h
@@ -21,6 +21,7 @@ struct xdp_umem {
void *addrs;
u64 size;
u32 headroom;
+ u32 tx_headroom;
u32 chunk_size;
u32 chunks;
u32 npgs;
diff --git a/include/net/xdp_sock_drv.h b/include/net/xdp_sock_drv.h
index ffe13a10bc96..4aa031849668 100644
--- a/include/net/xdp_sock_drv.h
+++ b/include/net/xdp_sock_drv.h
@@ -77,6 +77,12 @@ static inline struct xdp_buff *xsk_buff_alloc(struct xsk_buff_pool *pool)
return xp_alloc(pool);
}
+/* Returns as many entries as possible up to max. 0 <= N <= max. */
+static inline u32 xsk_buff_alloc_batch(struct xsk_buff_pool *pool, struct xdp_buff **xdp, u32 max)
+{
+ return xp_alloc_batch(pool, xdp, max);
+}
+
static inline bool xsk_buff_can_alloc(struct xsk_buff_pool *pool, u32 count)
{
return xp_can_alloc(pool, count);
@@ -89,6 +95,13 @@ static inline void xsk_buff_free(struct xdp_buff *xdp)
xp_free(xskb);
}
+static inline void xsk_buff_set_size(struct xdp_buff *xdp, u32 size)
+{
+ xdp->data = xdp->data_hard_start + XDP_PACKET_HEADROOM;
+ xdp->data_meta = xdp->data;
+ xdp->data_end = xdp->data + size;
+}
+
static inline dma_addr_t xsk_buff_raw_get_dma(struct xsk_buff_pool *pool,
u64 addr)
{
@@ -211,6 +224,11 @@ static inline struct xdp_buff *xsk_buff_alloc(struct xsk_buff_pool *pool)
return NULL;
}
+static inline u32 xsk_buff_alloc_batch(struct xsk_buff_pool *pool, struct xdp_buff **xdp, u32 max)
+{
+ return 0;
+}
+
static inline bool xsk_buff_can_alloc(struct xsk_buff_pool *pool, u32 count)
{
return false;
@@ -220,6 +238,10 @@ static inline void xsk_buff_free(struct xdp_buff *xdp)
{
}
+static inline void xsk_buff_set_size(struct xdp_buff *xdp, u32 size)
+{
+}
+
static inline dma_addr_t xsk_buff_raw_get_dma(struct xsk_buff_pool *pool,
u64 addr)
{
diff --git a/include/net/xsk_buff_pool.h b/include/net/xsk_buff_pool.h
index ebd1f43578d6..6bef942be229 100644
--- a/include/net/xsk_buff_pool.h
+++ b/include/net/xsk_buff_pool.h
@@ -67,6 +67,7 @@ struct xsk_buff_pool {
u32 dma_pages_cnt;
u32 free_heads_cnt;
u32 headroom;
+ u32 tx_headroom;
u32 chunk_size;
u32 frame_len;
u8 cached_need_wakeup;
@@ -107,6 +108,7 @@ int xp_dma_map(struct xsk_buff_pool *pool, struct device *dev,
unsigned long attrs, struct page **pages, u32 nr_pages);
void xp_dma_unmap(struct xsk_buff_pool *pool, unsigned long attrs);
struct xdp_buff *xp_alloc(struct xsk_buff_pool *pool);
+u32 xp_alloc_batch(struct xsk_buff_pool *pool, struct xdp_buff **xdp, u32 max);
bool xp_can_alloc(struct xsk_buff_pool *pool, u32 count);
void *xp_raw_get_data(struct xsk_buff_pool *pool, u64 addr);
dma_addr_t xp_raw_get_dma(struct xsk_buff_pool *pool, u64 addr);