| /******************************************************************************* |
| * |
| * Intel 10 Gigabit PCI Express Linux drive |
| * Copyright(c) 2016 Intel Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program. If not, see <http://www.gnu.org/licenses/>. |
| * |
| * The full GNU General Public License is included in this distribution in |
| * the file called "COPYING". |
| * |
| * Contact Information: |
| * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
| * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| * |
| ******************************************************************************/ |
| |
| #ifndef _IXGBE_MODEL_H_ |
| #define _IXGBE_MODEL_H_ |
| |
| #include "ixgbe.h" |
| #include "ixgbe_type.h" |
| |
| struct ixgbe_mat_field { |
| unsigned int off; |
| int (*val)(struct ixgbe_fdir_filter *input, |
| union ixgbe_atr_input *mask, |
| u32 val, u32 m); |
| unsigned int type; |
| }; |
| |
| struct ixgbe_jump_table { |
| struct ixgbe_mat_field *mat; |
| struct ixgbe_fdir_filter *input; |
| union ixgbe_atr_input *mask; |
| }; |
| |
| static inline int ixgbe_mat_prgm_sip(struct ixgbe_fdir_filter *input, |
| union ixgbe_atr_input *mask, |
| u32 val, u32 m) |
| { |
| input->filter.formatted.src_ip[0] = val; |
| mask->formatted.src_ip[0] = m; |
| return 0; |
| } |
| |
| static inline int ixgbe_mat_prgm_dip(struct ixgbe_fdir_filter *input, |
| union ixgbe_atr_input *mask, |
| u32 val, u32 m) |
| { |
| input->filter.formatted.dst_ip[0] = val; |
| mask->formatted.dst_ip[0] = m; |
| return 0; |
| } |
| |
| static struct ixgbe_mat_field ixgbe_ipv4_fields[] = { |
| { .off = 12, .val = ixgbe_mat_prgm_sip, |
| .type = IXGBE_ATR_FLOW_TYPE_IPV4}, |
| { .off = 16, .val = ixgbe_mat_prgm_dip, |
| .type = IXGBE_ATR_FLOW_TYPE_IPV4}, |
| { .val = NULL } /* terminal node */ |
| }; |
| |
| static inline int ixgbe_mat_prgm_ports(struct ixgbe_fdir_filter *input, |
| union ixgbe_atr_input *mask, |
| u32 val, u32 m) |
| { |
| input->filter.formatted.src_port = val & 0xffff; |
| mask->formatted.src_port = m & 0xffff; |
| input->filter.formatted.dst_port = val >> 16; |
| mask->formatted.dst_port = m >> 16; |
| |
| return 0; |
| }; |
| |
| static struct ixgbe_mat_field ixgbe_tcp_fields[] = { |
| {.off = 0, .val = ixgbe_mat_prgm_ports, |
| .type = IXGBE_ATR_FLOW_TYPE_TCPV4}, |
| { .val = NULL } /* terminal node */ |
| }; |
| |
| static struct ixgbe_mat_field ixgbe_udp_fields[] = { |
| {.off = 0, .val = ixgbe_mat_prgm_ports, |
| .type = IXGBE_ATR_FLOW_TYPE_UDPV4}, |
| { .val = NULL } /* terminal node */ |
| }; |
| |
| struct ixgbe_nexthdr { |
| /* offset, shift, and mask of position to next header */ |
| unsigned int o; |
| u32 s; |
| u32 m; |
| /* match criteria to make this jump*/ |
| unsigned int off; |
| u32 val; |
| u32 mask; |
| /* location of jump to make */ |
| struct ixgbe_mat_field *jump; |
| }; |
| |
| static struct ixgbe_nexthdr ixgbe_ipv4_jumps[] = { |
| { .o = 0, .s = 6, .m = 0xf, |
| .off = 8, .val = 0x600, .mask = 0xff00, .jump = ixgbe_tcp_fields}, |
| { .o = 0, .s = 6, .m = 0xf, |
| .off = 8, .val = 0x1100, .mask = 0xff00, .jump = ixgbe_udp_fields}, |
| { .jump = NULL } /* terminal node */ |
| }; |
| #endif /* _IXGBE_MODEL_H_ */ |