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
20 #define ICE_FDIR_TUN_PKT_OFF 50
21 #define ICE_FDIR_MAX_RAW_PKT_SIZE (512 + ICE_FDIR_TUN_PKT_OFF)
22 #define ICE_FDIR_BUF_FULL_MARGIN 10
24 /* macros for offsets into packets for flow director programming */
25 #define ICE_IPV4_SRC_ADDR_OFFSET 26
26 #define ICE_IPV4_DST_ADDR_OFFSET 30
27 #define ICE_IPV4_TCP_SRC_PORT_OFFSET 34
28 #define ICE_IPV4_TCP_DST_PORT_OFFSET 36
29 #define ICE_IPV4_UDP_SRC_PORT_OFFSET 34
30 #define ICE_IPV4_UDP_DST_PORT_OFFSET 36
31 #define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34
32 #define ICE_IPV4_SCTP_DST_PORT_OFFSET 36
33 #define ICE_IPV4_PROTO_OFFSET 23
34 #define ICE_IPV6_SRC_ADDR_OFFSET 22
35 #define ICE_IPV6_DST_ADDR_OFFSET 38
36 #define ICE_IPV6_TCP_SRC_PORT_OFFSET 54
37 #define ICE_IPV6_TCP_DST_PORT_OFFSET 56
38 #define ICE_IPV6_UDP_SRC_PORT_OFFSET 54
39 #define ICE_IPV6_UDP_DST_PORT_OFFSET 56
40 #define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54
41 #define ICE_IPV6_SCTP_DST_PORT_OFFSET 56
43 #define ICE_MAC_ETHTYPE_OFFSET 12
44 #define ICE_IPV4_TOS_OFFSET 15
45 #define ICE_IPV4_ID_OFFSET 18
46 #define ICE_IPV4_TTL_OFFSET 22
47 #define ICE_IPV6_TC_OFFSET 14
48 #define ICE_IPV6_HLIM_OFFSET 21
49 #define ICE_IPV6_PROTO_OFFSET 20
50 #define ICE_IPV6_ID_OFFSET 58
51 /* For TUN inner (without inner MAC) */
52 #define ICE_IPV4_NO_MAC_TOS_OFFSET 1
53 #define ICE_IPV4_NO_MAC_TTL_OFFSET 8
54 #define ICE_IPV4_NO_MAC_PROTO_OFFSET 9
55 #define ICE_IPV4_NO_MAC_SRC_ADDR_OFFSET 12
56 #define ICE_IPV4_NO_MAC_DST_ADDR_OFFSET 16
57 #define ICE_TCP4_NO_MAC_SRC_PORT_OFFSET 20
58 #define ICE_TCP4_NO_MAC_DST_PORT_OFFSET 22
59 #define ICE_UDP4_NO_MAC_SRC_PORT_OFFSET 20
60 #define ICE_UDP4_NO_MAC_DST_PORT_OFFSET 22
61 #define ICE_IPV6_NO_MAC_TC_OFFSET 0
62 #define ICE_IPV6_NO_MAC_HLIM_OFFSET 7
63 #define ICE_IPV6_NO_MAC_PROTO_OFFSET 6
64 #define ICE_IPV6_NO_MAC_SRC_ADDR_OFFSET 8
65 #define ICE_IPV6_NO_MAC_DST_ADDR_OFFSET 24
66 #define ICE_TCP6_NO_MAC_SRC_PORT_OFFSET 40
67 #define ICE_TCP6_NO_MAC_DST_PORT_OFFSET 42
68 #define ICE_UDP6_NO_MAC_SRC_PORT_OFFSET 40
69 #define ICE_UDP6_NO_MAC_DST_PORT_OFFSET 42
70 #define ICE_IPV4_GTPU_TEID_OFFSET 46
71 #define ICE_IPV4_GTPU_QFI_OFFSET 56
72 #define ICE_IPV6_GTPU_TEID_OFFSET 66
73 #define ICE_IPV6_GTPU_QFI_OFFSET 76
74 #define ICE_IPV4_L2TPV3_SESS_ID_OFFSET 34
75 #define ICE_IPV6_L2TPV3_SESS_ID_OFFSET 54
76 #define ICE_IPV4_ESP_SPI_OFFSET 34
77 #define ICE_IPV6_ESP_SPI_OFFSET 54
78 #define ICE_IPV4_AH_SPI_OFFSET 38
79 #define ICE_IPV6_AH_SPI_OFFSET 58
80 #define ICE_IPV4_NAT_T_ESP_SPI_OFFSET 42
81 #define ICE_IPV6_NAT_T_ESP_SPI_OFFSET 62
82 #define ICE_IPV4_VXLAN_VNI_OFFSET 45
83 #define ICE_ECPRI_TP0_PC_ID_OFFSET 18
84 #define ICE_IPV4_UDP_ECPRI_TP0_PC_ID_OFFSET 46
86 #define ICE_FDIR_MAX_FLTRS 16384
88 /* IPv4 has 2 flag bits that enable fragment processing: DF and MF. DF
89 * requests that the packet not be fragmented. MF indicates that a packet has
90 * been fragmented, except that for the last fragment has a non-zero
91 * Fragment Offset field with zero MF.
93 #define ICE_FDIR_IPV4_PKT_FLAG_MF 0x20
94 #define ICE_FDIR_IPV4_PKT_FLAG_MF_SHIFT 8
95 #define ICE_FDIR_IPV4_PKT_FLAG_DF 0x40
97 /* For IPv6 fragmented packets, all fragments except the last have
100 #define ICE_FDIR_IPV6_PKT_FLAG_MF 0x100
101 #define ICE_FDIR_IPV6_PKT_FLAG_MF_SHIFT 8
103 enum ice_fltr_prgm_desc_dest {
104 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT,
105 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX,
106 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP,
107 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER,
110 enum ice_fltr_prgm_desc_fd_status {
111 ICE_FLTR_PRGM_DESC_FD_STATUS_NONE,
112 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID,
113 ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID_4FLEX_BYTES,
114 ICE_FLTR_PRGM_DESC_FD_STATUS_8FLEX_BYTES,
117 /* Flow Director (FD) Filter Programming descriptor */
118 struct ice_fd_fltr_desc_ctx {
144 #define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16)
146 struct ice_rx_flow_userdef {
158 __be32 sec_parm_idx; /* security parameter index */
166 #define ICE_IPV6_ADDR_LEN_AS_U32 4
169 __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32];
170 __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32];
173 __be32 l4_header; /* next header */
174 __be32 sec_parm_idx; /* security parameter index */
181 struct ice_fdir_udp_gtp {
186 __be16 rsrvd_seq_nbr;
188 u8 rsrvd_next_ext_type;
199 struct ice_fdir_l2tpv3 {
203 struct ice_fdir_udp_vxlan {
204 __be32 vni; /* 8 bits reserved, always be zero */
207 struct ice_fdir_ecpri {
211 struct ice_fdir_extra {
212 u8 dst_mac[ETH_ALEN]; /* dest MAC address */
213 u8 src_mac[ETH_ALEN]; /* src MAC address */
214 __be16 ether_type; /* for NON_IP_L2 */
215 u32 usr_def[2]; /* user data */
216 __be16 vlan_type; /* VLAN ethertype */
217 __be16 vlan_tag; /* VLAN tag info */
220 struct ice_fdir_fltr {
221 struct LIST_ENTRY_TYPE fltr_node;
222 enum ice_fltr_ptype flow_type;
225 struct ice_fdir_v4 v4;
226 struct ice_fdir_v6 v6;
229 /* for tunnel outer part */
231 struct ice_fdir_v4 v4;
232 struct ice_fdir_v6 v6;
233 } ip_outer, mask_outer;
235 struct ice_fdir_extra ext_data_outer;
236 struct ice_fdir_extra ext_mask_outer;
238 struct ice_fdir_udp_vxlan vxlan_data;
239 struct ice_fdir_udp_vxlan vxlan_mask;
241 struct ice_fdir_udp_gtp gtpu_data;
242 struct ice_fdir_udp_gtp gtpu_mask;
244 struct ice_fdir_l2tpv3 l2tpv3_data;
245 struct ice_fdir_l2tpv3 l2tpv3_mask;
247 struct ice_fdir_ecpri ecpri_data;
248 struct ice_fdir_ecpri ecpri_mask;
250 struct ice_fdir_extra ext_data;
251 struct ice_fdir_extra ext_mask;
253 /* flex byte filter data */
255 /* queue region size (=2^q_region) */
270 /* Set to true for an ACL filter */
274 /* Dummy packet filter definition structure */
275 struct ice_fdir_base_pkt {
276 enum ice_fltr_ptype flow;
283 enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id);
284 enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id);
286 ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
288 ice_free_fd_guar_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
290 ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
292 ice_free_fd_shrd_item(struct ice_hw *hw, u16 cntr_id, u16 num_fltr);
293 enum ice_status ice_clear_pf_fd_table(struct ice_hw *hw);
295 ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
296 struct ice_fltr_desc *fdesc, bool add);
298 ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
299 u8 *pkt, bool frag, bool tun);
301 ice_fdir_get_prgm_pkt(struct ice_fdir_fltr *input, u8 *pkt, bool frag);
302 int ice_get_fdir_cnt_all(struct ice_hw *hw);
303 bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
304 bool ice_fdir_has_frag(enum ice_fltr_ptype flow);
305 struct ice_fdir_fltr *
306 ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx);
308 ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow,
309 bool acl_fltr, bool add);
310 void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
311 #endif /* _ICE_FDIR_H_ */