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path: root/drivers/net/ethernet/netronome/nfp/flower/main.h
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Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/main.h')
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/main.h110
1 files changed, 101 insertions, 9 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h b/drivers/net/ethernet/netronome/nfp/flower/main.h
index fa902ce2dd82..cb799d18682d 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.h
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.h
@@ -51,6 +51,7 @@ struct nfp_app;
#define NFP_FL_FEATS_VLAN_QINQ BIT(8)
#define NFP_FL_FEATS_QOS_PPS BIT(9)
#define NFP_FL_FEATS_QOS_METER BIT(10)
+#define NFP_FL_FEATS_DECAP_V2 BIT(11)
#define NFP_FL_FEATS_HOST_ACK BIT(31)
#define NFP_FL_ENABLE_FLOW_MERGE BIT(0)
@@ -67,7 +68,8 @@ struct nfp_app;
NFP_FL_FEATS_IPV6_TUN | \
NFP_FL_FEATS_VLAN_QINQ | \
NFP_FL_FEATS_QOS_PPS | \
- NFP_FL_FEATS_QOS_METER)
+ NFP_FL_FEATS_QOS_METER | \
+ NFP_FL_FEATS_DECAP_V2)
struct nfp_fl_mask_id {
struct circ_buf mask_id_free_list;
@@ -86,12 +88,8 @@ struct nfp_fl_stats_id {
* @offloaded_macs: Hashtable of the offloaded MAC addresses
* @ipv4_off_list: List of IPv4 addresses to offload
* @ipv6_off_list: List of IPv6 addresses to offload
- * @neigh_off_list_v4: List of IPv4 neighbour offloads
- * @neigh_off_list_v6: List of IPv6 neighbour offloads
* @ipv4_off_lock: Lock for the IPv4 address list
* @ipv6_off_lock: Lock for the IPv6 address list
- * @neigh_off_lock_v4: Lock for the IPv4 neighbour address list
- * @neigh_off_lock_v6: Lock for the IPv6 neighbour address list
* @mac_off_ids: IDA to manage id assignment for offloaded MACs
* @neigh_nb: Notifier to monitor neighbour state
*/
@@ -99,17 +97,95 @@ struct nfp_fl_tunnel_offloads {
struct rhashtable offloaded_macs;
struct list_head ipv4_off_list;
struct list_head ipv6_off_list;
- struct list_head neigh_off_list_v4;
- struct list_head neigh_off_list_v6;
struct mutex ipv4_off_lock;
struct mutex ipv6_off_lock;
- spinlock_t neigh_off_lock_v4;
- spinlock_t neigh_off_lock_v6;
struct ida mac_off_ids;
struct notifier_block neigh_nb;
};
/**
+ * struct nfp_tun_neigh - basic neighbour data
+ * @dst_addr: Destination MAC address
+ * @src_addr: Source MAC address
+ * @port_id: NFP port to output packet on - associated with source IPv4
+ */
+struct nfp_tun_neigh {
+ u8 dst_addr[ETH_ALEN];
+ u8 src_addr[ETH_ALEN];
+ __be32 port_id;
+};
+
+/**
+ * struct nfp_tun_neigh_ext - extended neighbour data
+ * @vlan_tpid: VLAN_TPID match field
+ * @vlan_tci: VLAN_TCI match field
+ * @host_ctx: Host context ID to be saved here
+ */
+struct nfp_tun_neigh_ext {
+ __be16 vlan_tpid;
+ __be16 vlan_tci;
+ __be32 host_ctx;
+};
+
+/**
+ * struct nfp_tun_neigh_v4 - neighbour/route entry on the NFP for IPv4
+ * @dst_ipv4: Destination IPv4 address
+ * @src_ipv4: Source IPv4 address
+ * @common: Neighbour/route common info
+ * @ext: Neighbour/route extended info
+ */
+struct nfp_tun_neigh_v4 {
+ __be32 dst_ipv4;
+ __be32 src_ipv4;
+ struct nfp_tun_neigh common;
+ struct nfp_tun_neigh_ext ext;
+};
+
+/**
+ * struct nfp_tun_neigh_v6 - neighbour/route entry on the NFP for IPv6
+ * @dst_ipv6: Destination IPv6 address
+ * @src_ipv6: Source IPv6 address
+ * @common: Neighbour/route common info
+ * @ext: Neighbour/route extended info
+ */
+struct nfp_tun_neigh_v6 {
+ struct in6_addr dst_ipv6;
+ struct in6_addr src_ipv6;
+ struct nfp_tun_neigh common;
+ struct nfp_tun_neigh_ext ext;
+};
+
+/**
+ * struct nfp_neigh_entry
+ * @neigh_cookie: Cookie for hashtable lookup
+ * @ht_node: rhash_head entry for hashtable
+ * @list_head: Needed as member of linked_nn_entries list
+ * @payload: The neighbour info payload
+ * @flow: Linked flow rule
+ * @is_ipv6: Flag to indicate if payload is ipv6 or ipv4
+ */
+struct nfp_neigh_entry {
+ unsigned long neigh_cookie;
+ struct rhash_head ht_node;
+ struct list_head list_head;
+ char *payload;
+ struct nfp_predt_entry *flow;
+ bool is_ipv6;
+};
+
+/**
+ * struct nfp_predt_entry
+ * @list_head: List head to attach to predt_list
+ * @flow_pay: Direct link to flow_payload
+ * @nn_list: List of linked nfp_neigh_entries
+ */
+struct nfp_predt_entry {
+ struct list_head list_head;
+ struct nfp_fl_payload *flow_pay;
+ struct list_head nn_list;
+};
+
+/**
* struct nfp_mtu_conf - manage MTU setting
* @portnum: NFP port number of repr with requested MTU change
* @requested_val: MTU value requested for repr
@@ -202,6 +278,9 @@ struct nfp_fl_internal_ports {
* @ct_zone_table: Hash table used to store the different zones
* @ct_zone_wc: Special zone entry for wildcarded zone matches
* @ct_map_table: Hash table used to referennce ct flows
+ * @predt_list: List to keep track of decap pretun flows
+ * @neigh_table: Table to keep track of neighbor entries
+ * @predt_lock: Lock to serialise predt/neigh table updates
*/
struct nfp_flower_priv {
struct nfp_app *app;
@@ -241,6 +320,9 @@ struct nfp_flower_priv {
struct rhashtable ct_zone_table;
struct nfp_fl_ct_zone_entry *ct_zone_wc;
struct rhashtable ct_map_table;
+ struct list_head predt_list;
+ struct rhashtable neigh_table;
+ spinlock_t predt_lock; /* Lock to serialise predt/neigh table updates */
};
/**
@@ -344,9 +426,14 @@ struct nfp_fl_payload {
struct list_head linked_flows;
bool in_hw;
struct {
+ struct nfp_predt_entry *predt;
struct net_device *dev;
+ __be16 vlan_tpid;
__be16 vlan_tci;
__be16 port_idx;
+ u8 loc_mac[ETH_ALEN];
+ u8 rem_mac[ETH_ALEN];
+ bool is_ipv6;
} pre_tun_rule;
};
@@ -369,6 +456,7 @@ struct nfp_fl_payload_link {
extern const struct rhashtable_params nfp_flower_table_params;
extern const struct rhashtable_params merge_table_params;
+extern const struct rhashtable_params neigh_table_params;
struct nfp_merge_info {
u64 parent_ctx;
@@ -580,6 +668,10 @@ void
nfp_flower_non_repr_priv_put(struct nfp_app *app, struct net_device *netdev);
u32 nfp_flower_get_port_id_from_netdev(struct nfp_app *app,
struct net_device *netdev);
+void nfp_tun_link_and_update_nn_entries(struct nfp_app *app,
+ struct nfp_predt_entry *predt);
+void nfp_tun_unlink_and_update_nn_entries(struct nfp_app *app,
+ struct nfp_predt_entry *predt);
int nfp_flower_xmit_pre_tun_flow(struct nfp_app *app,
struct nfp_fl_payload *flow);
int nfp_flower_xmit_pre_tun_del_flow(struct nfp_app *app,