| John Fastabend | 9d35cf0 | 2016-02-16 21:18:28 -0800 | [diff] [blame] | 1 | /******************************************************************************* |
| 2 | * |
| 3 | * Intel 10 Gigabit PCI Express Linux drive |
| 4 | * Copyright(c) 2013 - 2015 Intel Corporation. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms and conditions of the GNU General Public License, |
| 8 | * version 2, as published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope it will be useful, but WITHOUT |
| 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 13 | * more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | * |
| 18 | * The full GNU General Public License is included in this distribution in |
| 19 | * the file called "COPYING". |
| 20 | * |
| 21 | * Contact Information: |
| 22 | * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| 23 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 24 | * |
| 25 | ******************************************************************************/ |
| 26 | |
| 27 | #ifndef _IXGBE_MODEL_H_ |
| 28 | #define _IXGBE_MODEL_H_ |
| 29 | |
| 30 | #include "ixgbe.h" |
| 31 | #include "ixgbe_type.h" |
| 32 | |
| 33 | struct ixgbe_mat_field { |
| 34 | unsigned int off; |
| 35 | unsigned int mask; |
| 36 | int (*val)(struct ixgbe_fdir_filter *input, |
| 37 | union ixgbe_atr_input *mask, |
| 38 | __u32 val, __u32 m); |
| 39 | unsigned int type; |
| 40 | }; |
| 41 | |
| 42 | static inline int ixgbe_mat_prgm_sip(struct ixgbe_fdir_filter *input, |
| 43 | union ixgbe_atr_input *mask, |
| 44 | __u32 val, __u32 m) |
| 45 | { |
| 46 | input->filter.formatted.src_ip[0] = val; |
| 47 | mask->formatted.src_ip[0] = m; |
| 48 | return 0; |
| 49 | } |
| 50 | |
| 51 | static inline int ixgbe_mat_prgm_dip(struct ixgbe_fdir_filter *input, |
| 52 | union ixgbe_atr_input *mask, |
| 53 | __u32 val, __u32 m) |
| 54 | { |
| 55 | input->filter.formatted.dst_ip[0] = val; |
| 56 | mask->formatted.dst_ip[0] = m; |
| 57 | return 0; |
| 58 | } |
| 59 | |
| 60 | static struct ixgbe_mat_field ixgbe_ipv4_fields[] = { |
| 61 | { .off = 12, .mask = -1, .val = ixgbe_mat_prgm_sip, |
| 62 | .type = IXGBE_ATR_FLOW_TYPE_IPV4}, |
| 63 | { .off = 16, .mask = -1, .val = ixgbe_mat_prgm_dip, |
| 64 | .type = IXGBE_ATR_FLOW_TYPE_IPV4}, |
| 65 | { .val = NULL } /* terminal node */ |
| 66 | }; |
| 67 | |
| 68 | static inline int ixgbe_mat_prgm_sport(struct ixgbe_fdir_filter *input, |
| 69 | union ixgbe_atr_input *mask, |
| 70 | __u32 val, __u32 m) |
| 71 | { |
| 72 | input->filter.formatted.src_port = val & 0xffff; |
| 73 | mask->formatted.src_port = m & 0xffff; |
| 74 | return 0; |
| 75 | }; |
| 76 | |
| 77 | static inline int ixgbe_mat_prgm_dport(struct ixgbe_fdir_filter *input, |
| 78 | union ixgbe_atr_input *mask, |
| 79 | __u32 val, __u32 m) |
| 80 | { |
| 81 | input->filter.formatted.dst_port = val & 0xffff; |
| 82 | mask->formatted.dst_port = m & 0xffff; |
| 83 | return 0; |
| 84 | }; |
| 85 | |
| 86 | static struct ixgbe_mat_field ixgbe_tcp_fields[] = { |
| 87 | {.off = 0, .mask = 0xffff, .val = ixgbe_mat_prgm_sport, |
| 88 | .type = IXGBE_ATR_FLOW_TYPE_TCPV4}, |
| 89 | {.off = 2, .mask = 0xffff, .val = ixgbe_mat_prgm_dport, |
| 90 | .type = IXGBE_ATR_FLOW_TYPE_TCPV4}, |
| 91 | { .val = NULL } /* terminal node */ |
| 92 | }; |
| 93 | |
| 94 | struct ixgbe_nexthdr { |
| 95 | /* offset, shift, and mask of position to next header */ |
| 96 | unsigned int o; |
| 97 | __u32 s; |
| 98 | __u32 m; |
| 99 | /* match criteria to make this jump*/ |
| 100 | unsigned int off; |
| 101 | __u32 val; |
| 102 | __u32 mask; |
| 103 | /* location of jump to make */ |
| 104 | struct ixgbe_mat_field *jump; |
| 105 | }; |
| 106 | |
| 107 | static struct ixgbe_nexthdr ixgbe_ipv4_jumps[] = { |
| 108 | { .o = 0, .s = 6, .m = 0xf, |
| 109 | .off = 8, .val = 0x600, .mask = 0xff00, .jump = ixgbe_tcp_fields}, |
| 110 | { .jump = NULL } /* terminal node */ |
| 111 | }; |
| 112 | #endif /* _IXGBE_MODEL_H_ */ |