1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* Copyright(c) 1999 - 2018 Intel Corporation. */ |
3 | |
4 | #ifndef _IXGBE_MODEL_H_ |
5 | #define _IXGBE_MODEL_H_ |
6 | |
7 | #include "ixgbe.h" |
8 | #include "ixgbe_type.h" |
9 | |
10 | struct ixgbe_mat_field { |
11 | unsigned int off; |
12 | int (*val)(struct ixgbe_fdir_filter *input, |
13 | union ixgbe_atr_input *mask, |
14 | u32 val, u32 m); |
15 | unsigned int type; |
16 | }; |
17 | |
18 | struct ixgbe_jump_table { |
19 | struct ixgbe_mat_field *mat; |
20 | struct ixgbe_fdir_filter *input; |
21 | union ixgbe_atr_input *mask; |
22 | u32 link_hdl; |
23 | unsigned long child_loc_map[32]; |
24 | }; |
25 | |
26 | #define IXGBE_MAX_HW_ENTRIES 2045 |
27 | |
28 | static inline int ixgbe_mat_prgm_sip(struct ixgbe_fdir_filter *input, |
29 | union ixgbe_atr_input *mask, |
30 | u32 val, u32 m) |
31 | { |
32 | input->filter.formatted.src_ip[0] = (__force __be32)val; |
33 | mask->formatted.src_ip[0] = (__force __be32)m; |
34 | return 0; |
35 | } |
36 | |
37 | static inline int ixgbe_mat_prgm_dip(struct ixgbe_fdir_filter *input, |
38 | union ixgbe_atr_input *mask, |
39 | u32 val, u32 m) |
40 | { |
41 | input->filter.formatted.dst_ip[0] = (__force __be32)val; |
42 | mask->formatted.dst_ip[0] = (__force __be32)m; |
43 | return 0; |
44 | } |
45 | |
46 | static struct ixgbe_mat_field ixgbe_ipv4_fields[] = { |
47 | { .off = 12, .val = ixgbe_mat_prgm_sip, |
48 | .type = IXGBE_ATR_FLOW_TYPE_IPV4}, |
49 | { .off = 16, .val = ixgbe_mat_prgm_dip, |
50 | .type = IXGBE_ATR_FLOW_TYPE_IPV4}, |
51 | { .val = NULL } /* terminal node */ |
52 | }; |
53 | |
54 | static inline int ixgbe_mat_prgm_ports(struct ixgbe_fdir_filter *input, |
55 | union ixgbe_atr_input *mask, |
56 | u32 val, u32 m) |
57 | { |
58 | input->filter.formatted.src_port = (__force __be16)(val & 0xffff); |
59 | mask->formatted.src_port = (__force __be16)(m & 0xffff); |
60 | input->filter.formatted.dst_port = (__force __be16)(val >> 16); |
61 | mask->formatted.dst_port = (__force __be16)(m >> 16); |
62 | |
63 | return 0; |
64 | }; |
65 | |
66 | static struct ixgbe_mat_field ixgbe_tcp_fields[] = { |
67 | {.off = 0, .val = ixgbe_mat_prgm_ports, |
68 | .type = IXGBE_ATR_FLOW_TYPE_TCPV4}, |
69 | { .val = NULL } /* terminal node */ |
70 | }; |
71 | |
72 | static struct ixgbe_mat_field ixgbe_udp_fields[] = { |
73 | {.off = 0, .val = ixgbe_mat_prgm_ports, |
74 | .type = IXGBE_ATR_FLOW_TYPE_UDPV4}, |
75 | { .val = NULL } /* terminal node */ |
76 | }; |
77 | |
78 | struct ixgbe_nexthdr { |
79 | /* offset, shift, and mask of position to next header */ |
80 | unsigned int o; |
81 | u32 s; |
82 | u32 m; |
83 | /* match criteria to make this jump*/ |
84 | unsigned int off; |
85 | u32 val; |
86 | u32 mask; |
87 | /* location of jump to make */ |
88 | struct ixgbe_mat_field *jump; |
89 | }; |
90 | |
91 | static struct ixgbe_nexthdr ixgbe_ipv4_jumps[] = { |
92 | { .o = 0, .s = 6, .m = 0xf, |
93 | .off = 8, .val = 0x600, .mask = 0xff00, .jump = ixgbe_tcp_fields}, |
94 | { .o = 0, .s = 6, .m = 0xf, |
95 | .off = 8, .val = 0x1100, .mask = 0xff00, .jump = ixgbe_udp_fields}, |
96 | { .jump = NULL } /* terminal node */ |
97 | }; |
98 | #endif /* _IXGBE_MODEL_H_ */ |
99 | |