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
88 #define ICE_FDIR_MAX_FLTRS 16384
90 /* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF
91 * requests that the packet not be fragmented. MF indicates that a packet has
94 #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20
95 #define ICE_FDIR_IPV4_PKT_FLAG_MF 0x40
97 enum ice_fltr_prgm_desc_dest {
98 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT,
99 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX,
100 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP,
101 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER,
104 enum ice_fltr_prgm_desc_fd_status {
105 ICE_FLTR_PRGM_DESC_FD_STATUS_NONE,
106 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID,
107 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID_4FLEX_BYTES,
108 ICE_FLTR_PRGM_DESC_FD_STATUS_8FLEX_BYTES,
111 #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16)
113 struct ice_rx_flow_userdef {
125 __be32 sec_parm_idx; /* security parameter index */
132 #define ICE_IPV6_ADDR_LEN_AS_U32 4
135 __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32];
136 __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32];
139 __be32 l4_header; /* next header */
140 __be32 sec_parm_idx; /* security parameter index */
145 struct ice_fdir_extra {
146 u8 dst_mac[ETH_ALEN]; /* dest MAC address */
147 u32 usr_def[2]; /* user data */
148 __be16 vlan_type; /* VLAN ethertype */
149 __be16 vlan_tag; /* VLAN tag info */
152 struct ice_fdir_fltr {
153 struct LIST_ENTRY_TYPE fltr_node;
154 enum ice_fltr_ptype flow_type;
157 struct ice_fdir_v4 v4;
158 struct ice_fdir_v6 v6;
161 struct ice_fdir_extra ext_data;
162 struct ice_fdir_extra ext_mask;
164 /* flex byte filter data */
178 /* Dummy packet filter definition structure. */
179 struct ice_fdir_base_pkt {
180 enum ice_fltr_ptype flow;
188 ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
189 struct ice_fltr_desc *fdesc, bool add);
191 ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
192 u8 *pkt, bool frag, bool tun);
194 ice_fdir_get_prgm_pkt(struct ice_fdir_fltr *input, u8 *pkt, bool frag);
196 ice_add_del_fdir(struct ice_hw *hw, struct ice_fdir_fltr *input, bool add);
197 int ice_get_fdir_cnt_all(struct ice_hw *hw);
198 bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
200 ice_update_fdir_list_entry(struct ice_hw *hw, struct ice_fdir_fltr *input,
202 bool ice_fdir_has_frag(enum ice_fltr_ptype flow);
203 struct ice_fdir_fltr *
204 ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx);
206 ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, bool add);
207 void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
208 #endif /* _ICE_FDIR_H_ */