aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/netronome/nfp/bpf/fw.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/bpf/fw.h')
-rw-r--r--drivers/net/ethernet/netronome/nfp/bpf/fw.h103
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/fw.h b/drivers/net/ethernet/netronome/nfp/bpf/fw.h
index 7206aa1522db..cfcc7bcb2c67 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/fw.h
+++ b/drivers/net/ethernet/netronome/nfp/bpf/fw.h
@@ -38,7 +38,14 @@
#include <linux/types.h>
enum bpf_cap_tlv_type {
+ NFP_BPF_CAP_TYPE_FUNC = 1,
NFP_BPF_CAP_TYPE_ADJUST_HEAD = 2,
+ NFP_BPF_CAP_TYPE_MAPS = 3,
+};
+
+struct nfp_bpf_cap_tlv_func {
+ __le32 func_id;
+ __le32 func_addr;
};
struct nfp_bpf_cap_tlv_adjust_head {
@@ -51,4 +58,100 @@ struct nfp_bpf_cap_tlv_adjust_head {
#define NFP_BPF_ADJUST_HEAD_NO_META BIT(0)
+struct nfp_bpf_cap_tlv_maps {
+ __le32 types;
+ __le32 max_maps;
+ __le32 max_elems;
+ __le32 max_key_sz;
+ __le32 max_val_sz;
+ __le32 max_elem_sz;
+};
+
+/*
+ * Types defined for map related control messages
+ */
+#define CMSG_MAP_ABI_VERSION 1
+
+enum nfp_bpf_cmsg_type {
+ CMSG_TYPE_MAP_ALLOC = 1,
+ CMSG_TYPE_MAP_FREE = 2,
+ CMSG_TYPE_MAP_LOOKUP = 3,
+ CMSG_TYPE_MAP_UPDATE = 4,
+ CMSG_TYPE_MAP_DELETE = 5,
+ CMSG_TYPE_MAP_GETNEXT = 6,
+ CMSG_TYPE_MAP_GETFIRST = 7,
+ __CMSG_TYPE_MAP_MAX,
+};
+
+#define CMSG_TYPE_MAP_REPLY_BIT 7
+#define __CMSG_REPLY(req) (BIT(CMSG_TYPE_MAP_REPLY_BIT) | (req))
+
+#define CMSG_MAP_KEY_LW 16
+#define CMSG_MAP_VALUE_LW 16
+
+enum nfp_bpf_cmsg_status {
+ CMSG_RC_SUCCESS = 0,
+ CMSG_RC_ERR_MAP_FD = 1,
+ CMSG_RC_ERR_MAP_NOENT = 2,
+ CMSG_RC_ERR_MAP_ERR = 3,
+ CMSG_RC_ERR_MAP_PARSE = 4,
+ CMSG_RC_ERR_MAP_EXIST = 5,
+ CMSG_RC_ERR_MAP_NOMEM = 6,
+ CMSG_RC_ERR_MAP_E2BIG = 7,
+};
+
+struct cmsg_hdr {
+ u8 type;
+ u8 ver;
+ __be16 tag;
+};
+
+struct cmsg_reply_map_simple {
+ struct cmsg_hdr hdr;
+ __be32 rc;
+};
+
+struct cmsg_req_map_alloc_tbl {
+ struct cmsg_hdr hdr;
+ __be32 key_size; /* in bytes */
+ __be32 value_size; /* in bytes */
+ __be32 max_entries;
+ __be32 map_type;
+ __be32 map_flags; /* reserved */
+};
+
+struct cmsg_reply_map_alloc_tbl {
+ struct cmsg_reply_map_simple reply_hdr;
+ __be32 tid;
+};
+
+struct cmsg_req_map_free_tbl {
+ struct cmsg_hdr hdr;
+ __be32 tid;
+};
+
+struct cmsg_reply_map_free_tbl {
+ struct cmsg_reply_map_simple reply_hdr;
+ __be32 count;
+};
+
+struct cmsg_key_value_pair {
+ __be32 key[CMSG_MAP_KEY_LW];
+ __be32 value[CMSG_MAP_VALUE_LW];
+};
+
+struct cmsg_req_map_op {
+ struct cmsg_hdr hdr;
+ __be32 tid;
+ __be32 count;
+ __be32 flags;
+ struct cmsg_key_value_pair elem[0];
+};
+
+struct cmsg_reply_map_op {
+ struct cmsg_reply_map_simple reply_hdr;
+ __be32 count;
+ __be32 resv;
+ struct cmsg_key_value_pair elem[0];
+};
#endif