cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

ixgbe_model.h (2652B)

      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 2045
     27
     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_ */