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/*******************************************************************************
*
* 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_ */
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