linux/drivers/net/ethernet/intel/ixgbe/ixgbe_model.h

99 lines
2.6 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 1999 - 2018 Intel Corporation. */
#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;
u32 link_hdl;
unsigned long child_loc_map[32];
};
#define IXGBE_MAX_HW_ENTRIES 2045
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] = (__force __be32)val;
mask->formatted.src_ip[0] = (__force __be32)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] = (__force __be32)val;
mask->formatted.dst_ip[0] = (__force __be32)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 = (__force __be16)(val & 0xffff);
mask->formatted.src_port = (__force __be16)(m & 0xffff);
input->filter.formatted.dst_port = (__force __be16)(val >> 16);
mask->formatted.dst_port = (__force __be16)(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_ */