drivers/net/bnxt/bnxt_filter.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2018 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #ifndef _BNXT_FILTER_H_
   7 #define _BNXT_FILTER_H_
   8
   9 #include <rte_ether.h>
  10
  11 #define bnxt_vlan_filter_exists(bp, filter, chk, vlan_id)       \
  12                 (((filter)->enables & (chk)) &&                 \
  13                  ((filter)->l2_ivlan == (vlan_id) &&            \
  14                   (filter)->l2_ivlan_mask == 0x0FFF) &&         \
  15                  !memcmp((filter)->l2_addr, (bp)->mac_addr,     \
  16                          RTE_ETHER_ADDR_LEN))
  17 struct bnxt;
  18
  19 #define BNXT_FLOW_L2_VALID_FLAG                 BIT(0)
  20 #define BNXT_FLOW_L2_SRC_VALID_FLAG             BIT(1)
  21 #define BNXT_FLOW_L2_INNER_SRC_VALID_FLAG       BIT(2)
  22 #define BNXT_FLOW_L2_DST_VALID_FLAG             BIT(3)
  23 #define BNXT_FLOW_L2_INNER_DST_VALID_FLAG       BIT(4)
  24 #define BNXT_FLOW_L2_DROP_FLAG                  BIT(5)
  25 #define BNXT_FLOW_PARSE_INNER_FLAG              BIT(6)
  26 #define BNXT_FLOW_MARK_FLAG                     BIT(7)
  27
  28 struct bnxt_flow_stats {
  29         uint64_t        packets;
  30         uint64_t        bytes;
  31 };
  32
  33 struct bnxt_filter_info {
  34         STAILQ_ENTRY(bnxt_filter_info)  next;
  35         uint32_t                flow_id;
  36         uint64_t                fw_l2_filter_id;
  37         struct bnxt_filter_info *matching_l2_fltr_ptr;
  38         uint64_t                fw_em_filter_id;
  39         uint64_t                fw_ntuple_filter_id;
  40 #define INVALID_MAC_INDEX       ((uint16_t)-1)
  41         uint16_t                mac_index;
  42 #define HWRM_CFA_L2_FILTER      0
  43 #define HWRM_CFA_EM_FILTER      1
  44 #define HWRM_CFA_NTUPLE_FILTER  2
  45 #define HWRM_CFA_TUNNEL_REDIRECT_FILTER 3
  46         uint8_t                 filter_type;
  47         uint32_t                dst_id;
  48
  49         /* Filter Characteristics */
  50         uint32_t                flags;
  51         uint32_t                enables;
  52         uint32_t                l2_ref_cnt;
  53         uint8_t                 l2_addr[RTE_ETHER_ADDR_LEN];
  54         uint8_t                 l2_addr_mask[RTE_ETHER_ADDR_LEN];
  55         uint32_t                valid_flags;
  56         uint16_t                l2_ovlan;
  57         uint16_t                l2_ovlan_mask;
  58         uint16_t                l2_ivlan;
  59         uint16_t                l2_ivlan_mask;
  60         uint8_t                 t_l2_addr[RTE_ETHER_ADDR_LEN];
  61         uint8_t                 t_l2_addr_mask[RTE_ETHER_ADDR_LEN];
  62         uint16_t                t_l2_ovlan;
  63         uint16_t                t_l2_ovlan_mask;
  64         uint16_t                t_l2_ivlan;
  65         uint16_t                t_l2_ivlan_mask;
  66         uint8_t                 tunnel_type;
  67         uint16_t                mirror_vnic_id;
  68         uint32_t                vni;
  69         uint8_t                 pri_hint;
  70         uint64_t                l2_filter_id_hint;
  71         uint32_t                src_id;
  72         uint8_t                 src_type;
  73         uint8_t                 src_macaddr[6];
  74         uint8_t                 dst_macaddr[6];
  75         uint32_t                dst_ipaddr[4];
  76         uint32_t                dst_ipaddr_mask[4];
  77         uint32_t                src_ipaddr[4];
  78         uint32_t                src_ipaddr_mask[4];
  79         uint16_t                dst_port;
  80         uint16_t                dst_port_mask;
  81         uint16_t                src_port;
  82         uint16_t                src_port_mask;
  83         uint16_t                ip_protocol;
  84         uint16_t                ip_addr_type;
  85         uint16_t                ethertype;
  86         uint32_t                priority;
  87         /* Backptr to vnic. As of now, used only by an L2 filter
  88          * to remember which vnic it was created on
  89          */
  90         struct                  bnxt_vnic_info *vnic;
  91         uint32_t                mark;
  92         struct bnxt_flow_stats  hw_stats;
  93 };
  94
  95 struct bnxt_filter_info *bnxt_alloc_filter(struct bnxt *bp);
  96 struct bnxt_filter_info *bnxt_alloc_vf_filter(struct bnxt *bp, uint16_t vf);
  97 void bnxt_free_all_filters(struct bnxt *bp);
  98 void bnxt_free_filter_mem(struct bnxt *bp);
  99 int bnxt_alloc_filter_mem(struct bnxt *bp);
 100 struct bnxt_filter_info *bnxt_get_unused_filter(struct bnxt *bp);
 101 void bnxt_free_filter(struct bnxt *bp, struct bnxt_filter_info *filter);
 102 struct bnxt_filter_info *bnxt_get_l2_filter(struct bnxt *bp,
 103                 struct bnxt_filter_info *nf, struct bnxt_vnic_info *vnic);
 104
 105 #define NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_MACADDR  \
 106         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_SRC_MACADDR
 107 #define EM_FLOW_ALLOC_INPUT_EN_SRC_MACADDR      \
 108         HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_SRC_MACADDR
 109 #define NTUPLE_FLTR_ALLOC_INPUT_EN_DST_MACADDR  \
 110         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_DST_MACADDR
 111 #define EM_FLOW_ALLOC_INPUT_EN_DST_MACADDR      \
 112         HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_DST_MACADDR
 113 #define NTUPLE_FLTR_ALLOC_INPUT_EN_ETHERTYPE   \
 114         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_ETHERTYPE
 115 #define EM_FLOW_ALLOC_INPUT_EN_ETHERTYPE       \
 116         HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_ETHERTYPE
 117 #define EM_FLOW_ALLOC_INPUT_EN_OVLAN_VID       \
 118         HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_OVLAN_VID
 119 #define NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR  \
 120         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_SRC_IPADDR
 121 #define NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_IPADDR_MASK     \
 122         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_SRC_IPADDR_MASK
 123 #define NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR  \
 124         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_DST_IPADDR
 125 #define NTUPLE_FLTR_ALLOC_INPUT_EN_DST_IPADDR_MASK     \
 126         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_DST_IPADDR_MASK
 127 #define NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT    \
 128         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_SRC_PORT
 129 #define NTUPLE_FLTR_ALLOC_INPUT_EN_SRC_PORT_MASK       \
 130         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_SRC_PORT_MASK
 131 #define NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT    \
 132         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_DST_PORT
 133 #define NTUPLE_FLTR_ALLOC_INPUT_EN_DST_PORT_MASK       \
 134         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_DST_PORT_MASK
 135 #define NTUPLE_FLTR_ALLOC_IN_EN_IP_PROTO        \
 136         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_IP_PROTOCOL
 137 #define EM_FLOW_ALLOC_INPUT_EN_SRC_IPADDR       \
 138         HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_SRC_IPADDR
 139 #define EM_FLOW_ALLOC_INPUT_EN_DST_IPADDR       \
 140         HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_DST_IPADDR
 141 #define EM_FLOW_ALLOC_INPUT_EN_SRC_PORT \
 142         HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_SRC_PORT
 143 #define EM_FLOW_ALLOC_INPUT_EN_DST_PORT \
 144         HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_DST_PORT
 145 #define EM_FLOW_ALLOC_INPUT_EN_IP_PROTO \
 146         HWRM_CFA_EM_FLOW_ALLOC_INPUT_ENABLES_IP_PROTOCOL
 147 #define EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV6   \
 148         HWRM_CFA_EM_FLOW_ALLOC_INPUT_IP_ADDR_TYPE_IPV6
 149 #define NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV6       \
 150         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_ADDR_TYPE_IPV6
 151 #define CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_VXLAN   \
 152         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_TUNNEL_TYPE_VXLAN
 153 #define CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_NVGRE   \
 154         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_TUNNEL_TYPE_NVGRE
 155 #define CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_IPGRE  \
 156         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_TUNNEL_TYPE_IPGRE
 157 #define L2_FILTER_ALLOC_INPUT_EN_L2_ADDR_MASK   \
 158         HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_L2_ADDR_MASK
 159 #define NTUPLE_FLTR_ALLOC_INPUT_IP_PROTOCOL_UDP \
 160         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_PROTOCOL_UDP
 161 #define NTUPLE_FLTR_ALLOC_INPUT_IP_PROTOCOL_TCP \
 162         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_PROTOCOL_TCP
 163 #define NTUPLE_FLTR_ALLOC_INPUT_IP_PROTOCOL_UNKNOWN     \
 164         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_PROTOCOL_UNKNOWN
 165 #define NTUPLE_FLTR_ALLOC_INPUT_IP_ADDR_TYPE_IPV4       \
 166         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_IP_ADDR_TYPE_IPV4
 167 #define NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID       \
 168         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_MIRROR_VNIC_ID
 169 #define NTUPLE_FLTR_ALLOC_INPUT_EN_MIRROR_VNIC_ID       \
 170         HWRM_CFA_NTUPLE_FILTER_ALLOC_INPUT_ENABLES_MIRROR_VNIC_ID
 171 #define L2_FILTER_ALLOC_INPUT_EN_T_NUM_VLANS \
 172         HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_T_NUM_VLANS
 173 #define L2_FILTER_ALLOC_INPUT_EN_NUM_VLANS \
 174         HWRM_CFA_L2_FILTER_ALLOC_INPUT_ENABLES_NUM_VLANS
 175 #endif