cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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cxgb4_tc_matchall.h (1791B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/* Copyright (C) 2019 Chelsio Communications.  All rights reserved. */
      3
      4#ifndef __CXGB4_TC_MATCHALL_H__
      5#define __CXGB4_TC_MATCHALL_H__
      6
      7#include <net/pkt_cls.h>
      8
      9enum cxgb4_matchall_state {
     10	CXGB4_MATCHALL_STATE_DISABLED = 0,
     11	CXGB4_MATCHALL_STATE_ENABLED,
     12};
     13
     14struct cxgb4_matchall_egress_entry {
     15	enum cxgb4_matchall_state state; /* Current MATCHALL offload state */
     16	u8 hwtc; /* Traffic class bound to port */
     17	u64 cookie; /* Used to identify the MATCHALL rule offloaded */
     18};
     19
     20struct cxgb4_matchall_ingress_entry {
     21	enum cxgb4_matchall_state state; /* Current MATCHALL offload state */
     22	u32 tid[CXGB4_FILTER_TYPE_MAX]; /* Index to hardware filter entries */
     23	/* Filter entries */
     24	struct ch_filter_specification fs[CXGB4_FILTER_TYPE_MAX];
     25	u16 viid_mirror; /* Identifier for allocated Mirror VI */
     26	u64 bytes; /* # of bytes hitting the filter */
     27	u64 packets; /* # of packets hitting the filter */
     28	u64 last_used; /* Last updated jiffies time */
     29};
     30
     31struct cxgb4_tc_port_matchall {
     32	struct cxgb4_matchall_egress_entry egress; /* Egress offload info */
     33	struct cxgb4_matchall_ingress_entry ingress; /* Ingress offload info */
     34};
     35
     36struct cxgb4_tc_matchall {
     37	struct cxgb4_tc_port_matchall *port_matchall; /* Per port entry */
     38};
     39
     40int cxgb4_tc_matchall_replace(struct net_device *dev,
     41			      struct tc_cls_matchall_offload *cls_matchall,
     42			      bool ingress);
     43int cxgb4_tc_matchall_destroy(struct net_device *dev,
     44			      struct tc_cls_matchall_offload *cls_matchall,
     45			      bool ingress);
     46int cxgb4_tc_matchall_stats(struct net_device *dev,
     47			    struct tc_cls_matchall_offload *cls_matchall);
     48
     49int cxgb4_init_tc_matchall(struct adapter *adap);
     50void cxgb4_cleanup_tc_matchall(struct adapter *adap);
     51#endif /* __CXGB4_TC_MATCHALL_H__ */