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; /* Index to hardware filter entry */
  23         struct ch_filter_specification fs; /* Filter entry */
  24         u64 bytes; /* # of bytes hitting the filter */
  25         u64 packets; /* # of packets hitting the filter */
  26         u64 last_used; /* Last updated jiffies time */
  27 };
  28
  29 struct cxgb4_tc_port_matchall {
  30         struct cxgb4_matchall_egress_entry egress; /* Egress offload info */
  31         struct cxgb4_matchall_ingress_entry ingress; /* Ingress offload info */
  32 };
  33
  34 struct cxgb4_tc_matchall {
  35         struct cxgb4_tc_port_matchall *port_matchall; /* Per port entry */
  36 };
  37
  38 int cxgb4_tc_matchall_replace(struct net_device *dev,
  39                               struct tc_cls_matchall_offload *cls_matchall,
  40                               bool ingress);
  41 int cxgb4_tc_matchall_destroy(struct net_device *dev,
  42                               struct tc_cls_matchall_offload *cls_matchall,
  43                               bool ingress);
  44 int cxgb4_tc_matchall_stats(struct net_device *dev,
  45                             struct tc_cls_matchall_offload *cls_matchall);
  46
  47 int cxgb4_init_tc_matchall(struct adapter *adap);
  48 void cxgb4_cleanup_tc_matchall(struct adapter *adap);
  49 #endif /* __CXGB4_TC_MATCHALL_H__ */