1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2019
8 #include "ice_common.h"
10 /* Flow Director (FD) Filter Programming descriptor */
11 struct ice_fd_fltr_desc_ctx {
37 enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id);
38 enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id);
40 ice_set_fd_desc_val(struct ice_fd_fltr_desc_ctx *fd_fltr_ctx,
41 struct ice_fltr_desc *fdir_desc);
42 void ice_set_dflt_val_fd_desc(struct ice_fd_fltr_desc_ctx *fd_fltr_ctx);
44 ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
46 ice_free_fd_guar_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
48 ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
50 ice_free_fd_shrd_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
51 enum ice_status ice_clear_vsi_fd_table(struct ice_hw *hw, u16 vsi_num);
52 enum ice_status ice_clear_pf_fd_table(struct ice_hw *hw);
54 #define ICE_FDIR_IP_PROTOCOLS
55 #define ICE_IP_PROTO_TCP 6
56 #define ICE_IP_PROTO_UDP 17
57 #define ICE_IP_PROTO_SCTP 132
58 #define ICE_IP_PROTO_IP 0
59 #define ICE_IP_PROTO_ESP 50
61 #define ICE_FDIR_TUN_PKT_OFF 50
62 #define ICE_FDIR_MAX_RAW_PKT_SIZE (512 + ICE_FDIR_TUN_PKT_OFF)
63 #define ICE_FDIR_BUF_FULL_MARGIN 10
64 #define ICE_FDIR_BUF_HEAD_ROOM 32
66 /* macros for offsets into packets for flow director programming */
67 #define ICE_IPV4_SRC_ADDR_OFFSET 26
68 #define ICE_IPV4_DST_ADDR_OFFSET 30
69 #define ICE_IPV4_TCP_SRC_PORT_OFFSET 34
70 #define ICE_IPV4_TCP_DST_PORT_OFFSET 36
71 #define ICE_IPV4_UDP_SRC_PORT_OFFSET 34
72 #define ICE_IPV4_UDP_DST_PORT_OFFSET 36
73 #define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34
74 #define ICE_IPV4_SCTP_DST_PORT_OFFSET 36
75 #define ICE_IPV4_PROTO_OFFSET 23
76 #define ICE_IPV6_SRC_ADDR_OFFSET 22
77 #define ICE_IPV6_DST_ADDR_OFFSET 38
78 #define ICE_IPV6_TCP_SRC_PORT_OFFSET 54
79 #define ICE_IPV6_TCP_DST_PORT_OFFSET 56
80 #define ICE_IPV6_UDP_SRC_PORT_OFFSET 54
81 #define ICE_IPV6_UDP_DST_PORT_OFFSET 56
82 #define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54
83 #define ICE_IPV6_SCTP_DST_PORT_OFFSET 56
85 #define ICE_IPV4_TOS_OFFSET 15
86 #define ICE_IPV4_TTL_OFFSET 22
87 #define ICE_IPV6_TC_OFFSET 14
88 #define ICE_IPV6_HLIM_OFFSET 21
89 #define ICE_IPV6_PROTO_OFFSET 20
91 #define ICE_FDIR_MAX_FLTRS 16384
93 /* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF
94 * requests that the packet not be fragmented. MF indicates that a packet has
97 #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20
98 #define ICE_FDIR_IPV4_PKT_FLAG_MF 0x40
100 enum ice_fltr_prgm_desc_dest {
101 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT,
102 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX,
103 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP,
104 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER,
107 enum ice_fltr_prgm_desc_fd_status {
108 ICE_FLTR_PRGM_DESC_FD_STATUS_NONE,
109 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID,
110 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID_4FLEX_BYTES,
111 ICE_FLTR_PRGM_DESC_FD_STATUS_8FLEX_BYTES,
114 #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16)
116 struct ice_rx_flow_userdef {
128 __be32 sec_parm_idx; /* security parameter index */
135 #define ICE_IPV6_ADDR_LEN_AS_U32 4
138 __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32];
139 __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32];
142 __be32 l4_header; /* next header */
143 __be32 sec_parm_idx; /* security parameter index */
149 struct ice_fdir_extra {
150 u8 dst_mac[ETH_ALEN]; /* dest MAC address */
151 u32 usr_def[2]; /* user data */
152 __be16 vlan_type; /* VLAN ethertype */
153 __be16 vlan_tag; /* VLAN tag info */
156 struct ice_fdir_fltr {
157 struct LIST_ENTRY_TYPE fltr_node;
158 enum ice_fltr_ptype flow_type;
161 struct ice_fdir_v4 v4;
162 struct ice_fdir_v6 v6;
165 struct ice_fdir_extra ext_data;
166 struct ice_fdir_extra ext_mask;
168 /* flex byte filter data */
170 /* queue region size (=2^q_region) */
184 /* Dummy packet filter definition structure. */
185 struct ice_fdir_base_pkt {
186 enum ice_fltr_ptype flow;
194 ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
195 struct ice_fltr_desc *fdesc, bool add);
197 ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
198 u8 *pkt, bool frag, bool tun);
200 ice_fdir_get_prgm_pkt(struct ice_fdir_fltr *input, u8 *pkt, bool frag);
202 ice_add_del_fdir(struct ice_hw *hw, struct ice_fdir_fltr *input, bool add);
203 int ice_get_fdir_cnt_all(struct ice_hw *hw);
204 bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
206 ice_update_fdir_list_entry(struct ice_hw *hw, struct ice_fdir_fltr *input,
208 bool ice_fdir_has_frag(enum ice_fltr_ptype flow);
209 struct ice_fdir_fltr *
210 ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx);
212 ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, bool add);
213 void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
214 #endif /* _ICE_FDIR_H_ */