diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/main.h')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/main.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h b/drivers/net/ethernet/netronome/nfp/flower/main.h index 7c9530504752..61a80becf3b2 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/main.h +++ b/drivers/net/ethernet/netronome/nfp/flower/main.h @@ -34,12 +34,50 @@ #ifndef __NFP_FLOWER_H__ #define __NFP_FLOWER_H__ 1 +#include <linux/circ_buf.h> +#include <linux/hashtable.h> +#include <linux/time64.h> #include <linux/types.h> struct tc_to_netdev; struct net_device; struct nfp_app; +#define NFP_FLOWER_HASH_BITS 19 +#define NFP_FLOWER_MASK_ENTRY_RS 256 +#define NFP_FLOWER_MASK_ELEMENT_RS 1 +#define NFP_FLOWER_MASK_HASH_BITS 10 + +#define NFP_FL_META_FLAG_NEW_MASK 128 +#define NFP_FL_META_FLAG_LAST_MASK 1 + +#define NFP_FL_MASK_REUSE_TIME_NS 40000 +#define NFP_FL_MASK_ID_LOCATION 1 + +struct nfp_fl_mask_id { + struct circ_buf mask_id_free_list; + struct timespec64 *last_used; + u8 init_unallocated; +}; + +/** + * struct nfp_flower_priv - Flower APP per-vNIC priv data + * @nn: Pointer to vNIC + * @mask_id_seed: Seed used for mask hash table + * @flower_version: HW version of flower + * @mask_ids: List of free mask ids + * @mask_table: Hash table used to store masks + * @flow_table: Hash table used to store flower rules + */ +struct nfp_flower_priv { + struct nfp_net *nn; + u32 mask_id_seed; + u64 flower_version; + struct nfp_fl_mask_id mask_ids; + DECLARE_HASHTABLE(mask_table, NFP_FLOWER_MASK_HASH_BITS); + DECLARE_HASHTABLE(flow_table, NFP_FLOWER_HASH_BITS); +}; + struct nfp_fl_key_ls { u32 key_layer_two; u8 key_layer; @@ -59,11 +97,17 @@ struct nfp_fl_rule_metadata { struct nfp_fl_payload { struct nfp_fl_rule_metadata meta; + unsigned long tc_flower_cookie; + struct hlist_node link; + struct rcu_head rcu; char *unmasked_data; char *mask_data; char *action_data; }; +int nfp_flower_metadata_init(struct nfp_app *app); +void nfp_flower_metadata_cleanup(struct nfp_app *app); + int nfp_flower_setup_tc(struct nfp_app *app, struct net_device *netdev, u32 handle, __be16 proto, struct tc_to_netdev *tc); int nfp_flower_compile_flow_match(struct tc_cls_flower_offload *flow, @@ -73,5 +117,15 @@ int nfp_flower_compile_flow_match(struct tc_cls_flower_offload *flow, int nfp_flower_compile_action(struct tc_cls_flower_offload *flow, struct net_device *netdev, struct nfp_fl_payload *nfp_flow); +int nfp_compile_flow_metadata(struct nfp_app *app, + struct tc_cls_flower_offload *flow, + struct nfp_fl_payload *nfp_flow); +int nfp_modify_flow_metadata(struct nfp_app *app, + struct nfp_fl_payload *nfp_flow); + +struct nfp_fl_payload * +nfp_flower_search_fl_table(struct nfp_app *app, unsigned long tc_flower_cookie); +struct nfp_fl_payload * +nfp_flower_remove_fl_table(struct nfp_app *app, unsigned long tc_flower_cookie); #endif |