1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2021 Intel Corporation
8 #include "ice_common.h"
10 #define ICE_FDIR_IP_PROTOCOLS
11 #define ICE_IP_PROTO_TCP 6
12 #define ICE_IP_PROTO_UDP 17
13 #define ICE_IP_PROTO_SCTP 132
14 #define ICE_IP_PROTO_IP 0
15 #define ICE_IP_PROTO_ESP 50
17 #define ICE_FDIR_GTPU_IP_INNER_PKT_OFF 50
18 #define ICE_FDIR_GTPU_EH_INNER_PKT_OFF 58
19 #define ICE_FDIR_IPV4_GRE_INNER_PKT_OFF 38
20 #define ICE_FDIR_IPV6_GRE_INNER_PKT_OFF 58
21 #define ICE_FDIR_V4_V4_GTPOGRE_PKT_OFF 74
22 #define ICE_FDIR_V4_V6_GTPOGRE_PKT_OFF 94
23 #define ICE_FDIR_V6_V4_GTPOGRE_PKT_OFF 94
24 #define ICE_FDIR_V6_V6_GTPOGRE_PKT_OFF 114
25 #define ICE_FDIR_V4_V4_GTPOGRE_EH_PKT_OFF 82
26 #define ICE_FDIR_V4_V6_GTPOGRE_EH_PKT_OFF 102
27 #define ICE_FDIR_V6_V4_GTPOGRE_EH_PKT_OFF 102
28 #define ICE_FDIR_V6_V6_GTPOGRE_EH_PKT_OFF 122
30 #define ICE_FDIR_TUN_PKT_OFF 50
31 #define ICE_FDIR_MAX_RAW_PKT_SIZE (512 + ICE_FDIR_TUN_PKT_OFF)
32 #define ICE_FDIR_BUF_FULL_MARGIN 10
34 /* macros for offsets into packets for flow director programming */
35 #define ICE_IPV4_SRC_ADDR_OFFSET 26
36 #define ICE_IPV4_DST_ADDR_OFFSET 30
37 #define ICE_IPV4_TCP_SRC_PORT_OFFSET 34
38 #define ICE_IPV4_TCP_DST_PORT_OFFSET 36
39 #define ICE_IPV4_UDP_SRC_PORT_OFFSET 34
40 #define ICE_IPV4_UDP_DST_PORT_OFFSET 36
41 #define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34
42 #define ICE_IPV4_SCTP_DST_PORT_OFFSET 36
43 #define ICE_IPV4_PROTO_OFFSET 23
44 #define ICE_IPV6_SRC_ADDR_OFFSET 22
45 #define ICE_IPV6_DST_ADDR_OFFSET 38
46 #define ICE_IPV6_TCP_SRC_PORT_OFFSET 54
47 #define ICE_IPV6_TCP_DST_PORT_OFFSET 56
48 #define ICE_IPV6_UDP_SRC_PORT_OFFSET 54
49 #define ICE_IPV6_UDP_DST_PORT_OFFSET 56
50 #define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54
51 #define ICE_IPV6_SCTP_DST_PORT_OFFSET 56
53 #define ICE_MAC_ETHTYPE_OFFSET 12
54 #define ICE_IPV4_TOS_OFFSET 15
55 #define ICE_IPV4_ID_OFFSET 18
56 #define ICE_IPV4_TTL_OFFSET 22
57 #define ICE_IPV6_TC_OFFSET 14
58 #define ICE_IPV6_HLIM_OFFSET 21
59 #define ICE_IPV6_PROTO_OFFSET 20
60 #define ICE_IPV6_ID_OFFSET 58
61 /* For TUN inner (without inner MAC) */
62 #define ICE_IPV4_NO_MAC_TOS_OFFSET 1
63 #define ICE_IPV4_NO_MAC_TTL_OFFSET 8
64 #define ICE_IPV4_NO_MAC_PROTO_OFFSET 9
65 #define ICE_IPV4_NO_MAC_SRC_ADDR_OFFSET 12
66 #define ICE_IPV4_NO_MAC_DST_ADDR_OFFSET 16
67 #define ICE_TCP4_NO_MAC_SRC_PORT_OFFSET 20
68 #define ICE_TCP4_NO_MAC_DST_PORT_OFFSET 22
69 #define ICE_UDP4_NO_MAC_SRC_PORT_OFFSET 20
70 #define ICE_UDP4_NO_MAC_DST_PORT_OFFSET 22
71 #define ICE_IPV6_NO_MAC_TC_OFFSET 0
72 #define ICE_IPV6_NO_MAC_HLIM_OFFSET 7
73 #define ICE_IPV6_NO_MAC_PROTO_OFFSET 6
74 #define ICE_IPV6_NO_MAC_SRC_ADDR_OFFSET 8
75 #define ICE_IPV6_NO_MAC_DST_ADDR_OFFSET 24
76 #define ICE_TCP6_NO_MAC_SRC_PORT_OFFSET 40
77 #define ICE_TCP6_NO_MAC_DST_PORT_OFFSET 42
78 #define ICE_UDP6_NO_MAC_SRC_PORT_OFFSET 40
79 #define ICE_UDP6_NO_MAC_DST_PORT_OFFSET 42
80 #define ICE_IPV4_GTPU_TEID_OFFSET 46
81 #define ICE_IPV4_GTPU_QFI_OFFSET 56
82 #define ICE_IPV6_GTPU_TEID_OFFSET 66
83 #define ICE_IPV6_GTPU_QFI_OFFSET 76
84 #define ICE_IPV4_GTPOGRE_TEID_OFFSET 70
85 #define ICE_IPV4_GTPOGRE_QFI_OFFSET 80
86 #define ICE_IPV6_GTPOGRE_TEID_OFFSET 90
87 #define ICE_IPV6_GTPOGRE_QFI_OFFSET 100
88 #define ICE_IPV4_L2TPV3_SESS_ID_OFFSET 34
89 #define ICE_IPV6_L2TPV3_SESS_ID_OFFSET 54
90 #define ICE_IPV4_ESP_SPI_OFFSET 34
91 #define ICE_IPV6_ESP_SPI_OFFSET 54
92 #define ICE_IPV4_AH_SPI_OFFSET 38
93 #define ICE_IPV6_AH_SPI_OFFSET 58
94 #define ICE_IPV4_NAT_T_ESP_SPI_OFFSET 42
95 #define ICE_IPV6_NAT_T_ESP_SPI_OFFSET 62
96 #define ICE_IPV4_VXLAN_VNI_OFFSET 46
97 #define ICE_ECPRI_TP0_PC_ID_OFFSET 18
98 #define ICE_IPV4_UDP_ECPRI_TP0_PC_ID_OFFSET 46
100 #define ICE_FDIR_MAX_FLTRS 16384
102 /* IPv4 has 2 flag bits that enable fragment processing: DF and MF. DF
103 * requests that the packet not be fragmented. MF indicates that a packet has
104 * been fragmented, except that for the last fragment has a non-zero
105 * Fragment Offset field with zero MF.
107 #define ICE_FDIR_IPV4_PKT_FLAG_MF 0x20
108 #define ICE_FDIR_IPV4_PKT_FLAG_MF_SHIFT 8
109 #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x40
111 /* For IPv6 fragmented packets, all fragments except the last have
114 #define ICE_FDIR_IPV6_PKT_FLAG_MF 0x100
115 #define ICE_FDIR_IPV6_PKT_FLAG_MF_SHIFT 8
117 enum ice_fltr_prgm_desc_dest {
118 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT,
119 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX,
120 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP,
121 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER,
124 enum ice_fltr_prgm_desc_fd_status {
125 ICE_FLTR_PRGM_DESC_FD_STATUS_NONE,
126 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID,
127 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID_4FLEX_BYTES,
128 ICE_FLTR_PRGM_DESC_FD_STATUS_8FLEX_BYTES,
131 /* Flow Director (FD) Filter Programming descriptor */
132 struct ice_fd_fltr_desc_ctx {
158 #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16)
160 struct ice_rx_flow_userdef {
172 __be32 sec_parm_idx; /* security parameter index */
180 #define ICE_IPV6_ADDR_LEN_AS_U32 4
183 __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32];
184 __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32];
187 __be32 l4_header; /* next header */
188 __be32 sec_parm_idx; /* security parameter index */
195 struct ice_fdir_udp_gtp {
200 __be16 rsrvd_seq_nbr;
202 u8 rsrvd_next_ext_type;
213 struct ice_fdir_l2tpv3 {
217 struct ice_fdir_udp_vxlan {
218 __be32 vni; /* 8 bits reserved, always be zero */
221 struct ice_fdir_ecpri {
225 struct ice_fdir_extra {
226 u8 dst_mac[ETH_ALEN]; /* dest MAC address */
227 u8 src_mac[ETH_ALEN]; /* src MAC address */
228 __be16 ether_type; /* for NON_IP_L2 */
229 u32 usr_def[2]; /* user data */
230 __be16 vlan_type; /* VLAN ethertype */
231 __be16 vlan_tag; /* VLAN tag info */
234 struct ice_fdir_fltr {
235 struct LIST_ENTRY_TYPE fltr_node;
236 enum ice_fltr_ptype flow_type;
239 struct ice_fdir_v4 v4;
240 struct ice_fdir_v6 v6;
243 /* for tunnel outer part */
245 struct ice_fdir_v4 v4;
246 struct ice_fdir_v6 v6;
247 } ip_outer, mask_outer;
249 struct ice_fdir_extra ext_data_outer;
250 struct ice_fdir_extra ext_mask_outer;
252 struct ice_fdir_udp_vxlan vxlan_data;
253 struct ice_fdir_udp_vxlan vxlan_mask;
255 struct ice_fdir_udp_gtp gtpu_data;
256 struct ice_fdir_udp_gtp gtpu_mask;
258 struct ice_fdir_l2tpv3 l2tpv3_data;
259 struct ice_fdir_l2tpv3 l2tpv3_mask;
261 struct ice_fdir_ecpri ecpri_data;
262 struct ice_fdir_ecpri ecpri_mask;
264 struct ice_fdir_extra ext_data;
265 struct ice_fdir_extra ext_mask;
267 /* flex byte filter data */
269 /* queue region size (=2^q_region) */
284 /* Set to true for an ACL filter */
288 /* Dummy packet filter definition structure */
289 struct ice_fdir_base_pkt {
290 enum ice_fltr_ptype flow;
297 enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id);
298 enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id);
300 ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
302 ice_free_fd_guar_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
304 ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
306 ice_free_fd_shrd_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
307 enum ice_status ice_clear_pf_fd_table(struct ice_hw *hw);
309 ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
310 struct ice_fltr_desc *fdesc, bool add);
312 ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
313 u8 *pkt, bool frag, bool tun);
315 ice_fdir_get_prgm_pkt(struct ice_fdir_fltr *input, u8 *pkt, bool frag);
316 int ice_get_fdir_cnt_all(struct ice_hw *hw);
317 bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
318 bool ice_fdir_has_frag(enum ice_fltr_ptype flow);
319 struct ice_fdir_fltr *
320 ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx);
322 ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow,
323 bool acl_fltr, bool add);
324 void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
325 #endif /* _ICE_FDIR_H_ */