100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright(c) 1999 - 2020 Intel Corporation. */
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#ifndef _IXGBE_MODEL_H_
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#define _IXGBE_MODEL_H_
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#include "ixgbe.h"
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#include "ixgbe_type.h"
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struct ixgbe_mat_field {
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unsigned int off;
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int (*val)(struct ixgbe_fdir_filter *input,
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union ixgbe_atr_input *mask,
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u32 val, u32 m);
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unsigned int type;
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};
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struct ixgbe_jump_table {
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struct ixgbe_mat_field *mat;
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struct ixgbe_fdir_filter *input;
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union ixgbe_atr_input *mask;
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u32 link_hdl;
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unsigned long child_loc_map[32];
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};
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#define IXGBE_MAX_HW_ENTRIES 2045
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static inline int ixgbe_mat_prgm_sip(struct ixgbe_fdir_filter *input,
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union ixgbe_atr_input *mask,
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u32 val, u32 m)
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{
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input->filter.formatted.src_ip[0] = val;
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mask->formatted.src_ip[0] = m;
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return 0;
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}
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static inline int ixgbe_mat_prgm_dip(struct ixgbe_fdir_filter *input,
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union ixgbe_atr_input *mask,
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u32 val, u32 m)
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{
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input->filter.formatted.dst_ip[0] = val;
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mask->formatted.dst_ip[0] = m;
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return 0;
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}
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static struct ixgbe_mat_field ixgbe_ipv4_fields[] = {
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{ .off = 12, .val = ixgbe_mat_prgm_sip,
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.type = IXGBE_ATR_FLOW_TYPE_IPV4},
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{ .off = 16, .val = ixgbe_mat_prgm_dip,
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.type = IXGBE_ATR_FLOW_TYPE_IPV4},
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{ .val = NULL } /* terminal node */
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};
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static inline int ixgbe_mat_prgm_ports(struct ixgbe_fdir_filter *input,
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union ixgbe_atr_input *mask,
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u32 val, u32 m)
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{
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input->filter.formatted.src_port = val & 0xffff;
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mask->formatted.src_port = m & 0xffff;
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input->filter.formatted.dst_port = val >> 16;
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mask->formatted.dst_port = m >> 16;
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return 0;
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};
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static struct ixgbe_mat_field ixgbe_tcp_fields[] = {
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{.off = 0, .val = ixgbe_mat_prgm_ports,
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.type = IXGBE_ATR_FLOW_TYPE_TCPV4},
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{ .val = NULL } /* terminal node */
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};
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static struct ixgbe_mat_field ixgbe_udp_fields[] = {
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{.off = 0, .val = ixgbe_mat_prgm_ports,
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.type = IXGBE_ATR_FLOW_TYPE_UDPV4},
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{ .val = NULL } /* terminal node */
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};
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struct ixgbe_nexthdr {
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/* offset, shift, and mask of position to next header */
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unsigned int o;
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u32 s;
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u32 m;
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/* match criteria to make this jump*/
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unsigned int off;
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u32 val;
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u32 mask;
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/* location of jump to make */
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struct ixgbe_mat_field *jump;
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};
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static struct ixgbe_nexthdr ixgbe_ipv4_jumps[] = {
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{ .o = 0, .s = 6, .m = 0xf,
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.off = 8, .val = 0x600, .mask = 0xff00, .jump = ixgbe_tcp_fields},
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{ .o = 0, .s = 6, .m = 0xf,
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.off = 8, .val = 0x1100, .mask = 0xff00, .jump = ixgbe_udp_fields},
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{ .jump = NULL } /* terminal node */
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};
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#endif /* _IXGBE_MODEL_H_ */
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