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1/* SPDX-License-Identifier: GPL-2.0 */2/* Copyright(c) 1999 - 2018 Intel Corporation. */3 4#ifndef _IXGBE_MODEL_H_5#define _IXGBE_MODEL_H_6 7#include "ixgbe.h"8#include "ixgbe_type.h"9 10struct ixgbe_mat_field {11 unsigned int off;12 int (*val)(struct ixgbe_fdir_filter *input,13 union ixgbe_atr_input *mask,14 u32 val, u32 m);15 unsigned int type;16};17 18struct ixgbe_jump_table {19 struct ixgbe_mat_field *mat;20 struct ixgbe_fdir_filter *input;21 union ixgbe_atr_input *mask;22 u32 link_hdl;23 unsigned long child_loc_map[32];24};25 26#define IXGBE_MAX_HW_ENTRIES 204527 28static inline int ixgbe_mat_prgm_sip(struct ixgbe_fdir_filter *input,29 union ixgbe_atr_input *mask,30 u32 val, u32 m)31{32 input->filter.formatted.src_ip[0] = (__force __be32)val;33 mask->formatted.src_ip[0] = (__force __be32)m;34 return 0;35}36 37static inline int ixgbe_mat_prgm_dip(struct ixgbe_fdir_filter *input,38 union ixgbe_atr_input *mask,39 u32 val, u32 m)40{41 input->filter.formatted.dst_ip[0] = (__force __be32)val;42 mask->formatted.dst_ip[0] = (__force __be32)m;43 return 0;44}45 46static struct ixgbe_mat_field ixgbe_ipv4_fields[] = {47 { .off = 12, .val = ixgbe_mat_prgm_sip,48 .type = IXGBE_ATR_FLOW_TYPE_IPV4},49 { .off = 16, .val = ixgbe_mat_prgm_dip,50 .type = IXGBE_ATR_FLOW_TYPE_IPV4},51 { .val = NULL } /* terminal node */52};53 54static inline int ixgbe_mat_prgm_ports(struct ixgbe_fdir_filter *input,55 union ixgbe_atr_input *mask,56 u32 val, u32 m)57{58 input->filter.formatted.src_port = (__force __be16)(val & 0xffff);59 mask->formatted.src_port = (__force __be16)(m & 0xffff);60 input->filter.formatted.dst_port = (__force __be16)(val >> 16);61 mask->formatted.dst_port = (__force __be16)(m >> 16);62 63 return 0;64};65 66static struct ixgbe_mat_field ixgbe_tcp_fields[] = {67 {.off = 0, .val = ixgbe_mat_prgm_ports,68 .type = IXGBE_ATR_FLOW_TYPE_TCPV4},69 { .val = NULL } /* terminal node */70};71 72static struct ixgbe_mat_field ixgbe_udp_fields[] = {73 {.off = 0, .val = ixgbe_mat_prgm_ports,74 .type = IXGBE_ATR_FLOW_TYPE_UDPV4},75 { .val = NULL } /* terminal node */76};77 78struct ixgbe_nexthdr {79 /* offset, shift, and mask of position to next header */80 unsigned int o;81 u32 s;82 u32 m;83 /* match criteria to make this jump*/84 unsigned int off;85 u32 val;86 u32 mask;87 /* location of jump to make */88 struct ixgbe_mat_field *jump;89};90 91static struct ixgbe_nexthdr ixgbe_ipv4_jumps[] = {92 { .o = 0, .s = 6, .m = 0xf,93 .off = 8, .val = 0x600, .mask = 0xff00, .jump = ixgbe_tcp_fields},94 { .o = 0, .s = 6, .m = 0xf,95 .off = 8, .val = 0x1100, .mask = 0xff00, .jump = ixgbe_udp_fields},96 { .jump = NULL } /* terminal node */97};98#endif /* _IXGBE_MODEL_H_ */99