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 static inline int ixgbe_mat_prgm_sip(struct ixgbe_fdir_filter *input, 42 union ixgbe_atr_input *mask, 43 u32 val, u32 m) 44 { 45 input->filter.formatted.src_ip[0] = val; 46 mask->formatted.src_ip[0] = m; 47 return 0; 48 } 49 50 static inline int ixgbe_mat_prgm_dip(struct ixgbe_fdir_filter *input, 51 union ixgbe_atr_input *mask, 52 u32 val, u32 m) 53 { 54 input->filter.formatted.dst_ip[0] = val; 55 mask->formatted.dst_ip[0] = m; 56 return 0; 57 } 58 59 static struct ixgbe_mat_field ixgbe_ipv4_fields[] = { 60 { .off = 12, .val = ixgbe_mat_prgm_sip, 61 .type = IXGBE_ATR_FLOW_TYPE_IPV4}, 62 { .off = 16, .val = ixgbe_mat_prgm_dip, 63 .type = IXGBE_ATR_FLOW_TYPE_IPV4}, 64 { .val = NULL } /* terminal node */ 65 }; 66 67 static inline int ixgbe_mat_prgm_ports(struct ixgbe_fdir_filter *input, 68 union ixgbe_atr_input *mask, 69 u32 val, u32 m) 70 { 71 input->filter.formatted.src_port = val & 0xffff; 72 mask->formatted.src_port = m & 0xffff; 73 input->filter.formatted.dst_port = val >> 16; 74 mask->formatted.dst_port = m >> 16; 75 76 return 0; 77 }; 78 79 static struct ixgbe_mat_field ixgbe_tcp_fields[] = { 80 {.off = 0, .val = ixgbe_mat_prgm_ports, 81 .type = IXGBE_ATR_FLOW_TYPE_TCPV4}, 82 { .val = NULL } /* terminal node */ 83 }; 84 85 struct ixgbe_nexthdr { 86 /* offset, shift, and mask of position to next header */ 87 unsigned int o; 88 u32 s; 89 u32 m; 90 /* match criteria to make this jump*/ 91 unsigned int off; 92 u32 val; 93 u32 mask; 94 /* location of jump to make */ 95 struct ixgbe_mat_field *jump; 96 }; 97 98 static struct ixgbe_nexthdr ixgbe_ipv4_jumps[] = { 99 { .o = 0, .s = 6, .m = 0xf, 100 .off = 8, .val = 0x600, .mask = 0xff00, .jump = ixgbe_tcp_fields}, 101 { .jump = NULL } /* terminal node */ 102 }; 103 #endif /* _IXGBE_MODEL_H_ */ 104