1 /******************************************************************************* 2 * 3 * Intel 10 Gigabit PCI Express Linux drive 4 * Copyright(c) 2016 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 int (*val)(struct ixgbe_fdir_filter *input, 36 union ixgbe_atr_input *mask, 37 u32 val, u32 m); 38 unsigned int type; 39 }; 40 41 struct ixgbe_jump_table { 42 struct ixgbe_mat_field *mat; 43 struct ixgbe_fdir_filter *input; 44 union ixgbe_atr_input *mask; 45 }; 46 47 static inline int ixgbe_mat_prgm_sip(struct ixgbe_fdir_filter *input, 48 union ixgbe_atr_input *mask, 49 u32 val, u32 m) 50 { 51 input->filter.formatted.src_ip[0] = val; 52 mask->formatted.src_ip[0] = m; 53 return 0; 54 } 55 56 static inline int ixgbe_mat_prgm_dip(struct ixgbe_fdir_filter *input, 57 union ixgbe_atr_input *mask, 58 u32 val, u32 m) 59 { 60 input->filter.formatted.dst_ip[0] = val; 61 mask->formatted.dst_ip[0] = m; 62 return 0; 63 } 64 65 static struct ixgbe_mat_field ixgbe_ipv4_fields[] = { 66 { .off = 12, .val = ixgbe_mat_prgm_sip, 67 .type = IXGBE_ATR_FLOW_TYPE_IPV4}, 68 { .off = 16, .val = ixgbe_mat_prgm_dip, 69 .type = IXGBE_ATR_FLOW_TYPE_IPV4}, 70 { .val = NULL } /* terminal node */ 71 }; 72 73 static inline int ixgbe_mat_prgm_ports(struct ixgbe_fdir_filter *input, 74 union ixgbe_atr_input *mask, 75 u32 val, u32 m) 76 { 77 input->filter.formatted.src_port = val & 0xffff; 78 mask->formatted.src_port = m & 0xffff; 79 input->filter.formatted.dst_port = val >> 16; 80 mask->formatted.dst_port = m >> 16; 81 82 return 0; 83 }; 84 85 static struct ixgbe_mat_field ixgbe_tcp_fields[] = { 86 {.off = 0, .val = ixgbe_mat_prgm_ports, 87 .type = IXGBE_ATR_FLOW_TYPE_TCPV4}, 88 { .val = NULL } /* terminal node */ 89 }; 90 91 static struct ixgbe_mat_field ixgbe_udp_fields[] = { 92 {.off = 0, .val = ixgbe_mat_prgm_ports, 93 .type = IXGBE_ATR_FLOW_TYPE_UDPV4}, 94 { .val = NULL } /* terminal node */ 95 }; 96 97 struct ixgbe_nexthdr { 98 /* offset, shift, and mask of position to next header */ 99 unsigned int o; 100 u32 s; 101 u32 m; 102 /* match criteria to make this jump*/ 103 unsigned int off; 104 u32 val; 105 u32 mask; 106 /* location of jump to make */ 107 struct ixgbe_mat_field *jump; 108 }; 109 110 static struct ixgbe_nexthdr ixgbe_ipv4_jumps[] = { 111 { .o = 0, .s = 6, .m = 0xf, 112 .off = 8, .val = 0x600, .mask = 0xff00, .jump = ixgbe_tcp_fields}, 113 { .o = 0, .s = 6, .m = 0xf, 114 .off = 8, .val = 0x1100, .mask = 0xff00, .jump = ixgbe_udp_fields}, 115 { .jump = NULL } /* terminal node */ 116 }; 117 #endif /* _IXGBE_MODEL_H_ */ 118