1 /*******************************************************************************
3 * Intel 10 Gigabit PCI Express Linux drive
4 * Copyright(c) 2016 Intel Corporation.
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.
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
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/>.
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
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
25 ******************************************************************************/
27 #ifndef _IXGBE_MODEL_H_
28 #define _IXGBE_MODEL_H_
31 #include "ixgbe_type.h"
33 struct ixgbe_mat_field {
35 int (*val)(struct ixgbe_fdir_filter *input,
36 union ixgbe_atr_input *mask,
41 static inline int ixgbe_mat_prgm_sip(struct ixgbe_fdir_filter *input,
42 union ixgbe_atr_input *mask,
45 input->filter.formatted.src_ip[0] = val;
46 mask->formatted.src_ip[0] = m;
50 static inline int ixgbe_mat_prgm_dip(struct ixgbe_fdir_filter *input,
51 union ixgbe_atr_input *mask,
54 input->filter.formatted.dst_ip[0] = val;
55 mask->formatted.dst_ip[0] = m;
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 */
67 static inline int ixgbe_mat_prgm_ports(struct ixgbe_fdir_filter *input,
68 union ixgbe_atr_input *mask,
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;
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 */
85 struct ixgbe_nexthdr {
86 /* offset, shift, and mask of position to next header */
90 /* match criteria to make this jump*/
94 /* location of jump to make */
95 struct ixgbe_mat_field *jump;
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 */
103 #endif /* _IXGBE_MODEL_H_ */