drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.h

   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
   9 enum cxgb4_matchall_state {
  10         CXGB4_MATCHALL_STATE_DISABLED = 0,
  11         CXGB4_MATCHALL_STATE_ENABLED,
  12 };
  13
  14 struct 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
  20 struct 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
  31 struct 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
  36 struct cxgb4_tc_matchall {
  37         struct cxgb4_tc_port_matchall *port_matchall; /* Per port entry */
  38 };
  39
  40 int cxgb4_tc_matchall_replace(struct net_device *dev,
  41                               struct tc_cls_matchall_offload *cls_matchall,
  42                               bool ingress);
  43 int cxgb4_tc_matchall_destroy(struct net_device *dev,
  44                               struct tc_cls_matchall_offload *cls_matchall,
  45                               bool ingress);
  46 int cxgb4_tc_matchall_stats(struct net_device *dev,
  47                             struct tc_cls_matchall_offload *cls_matchall);
  48
  49 int cxgb4_init_tc_matchall(struct adapter *adap);
  50 void cxgb4_cleanup_tc_matchall(struct adapter *adap);
  51 #endif /* __CXGB4_TC_MATCHALL_H__ */