Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | /* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2021, Intel Corporation. */ #ifndef _IAVF_FDIR_H_ #define _IAVF_FDIR_H_ struct iavf_adapter; /* State of Flow Director filter * * *_REQUEST states are used to mark filter to be sent to PF driver to perform * an action (either add or delete filter). *_PENDING states are an indication * that request was sent to PF and the driver is waiting for response. * * Both DELETE and DISABLE states are being used to delete a filter in PF. * The difference is that after a successful response filter in DEL_PENDING * state is being deleted from VF driver as well and filter in DIS_PENDING state * is being changed to INACTIVE state. */ enum iavf_fdir_fltr_state_t { IAVF_FDIR_FLTR_ADD_REQUEST, /* User requests to add filter */ IAVF_FDIR_FLTR_ADD_PENDING, /* Filter pending add by the PF */ IAVF_FDIR_FLTR_DEL_REQUEST, /* User requests to delete filter */ IAVF_FDIR_FLTR_DEL_PENDING, /* Filter pending delete by the PF */ IAVF_FDIR_FLTR_DIS_REQUEST, /* Filter scheduled to be disabled */ IAVF_FDIR_FLTR_DIS_PENDING, /* Filter pending disable by the PF */ IAVF_FDIR_FLTR_INACTIVE, /* Filter inactive on link down */ IAVF_FDIR_FLTR_ACTIVE, /* Filter is active */ }; enum iavf_fdir_flow_type { /* NONE - used for undef/error */ IAVF_FDIR_FLOW_NONE = 0, IAVF_FDIR_FLOW_IPV4_TCP, IAVF_FDIR_FLOW_IPV4_UDP, IAVF_FDIR_FLOW_IPV4_SCTP, IAVF_FDIR_FLOW_IPV4_AH, IAVF_FDIR_FLOW_IPV4_ESP, IAVF_FDIR_FLOW_IPV4_OTHER, IAVF_FDIR_FLOW_IPV6_TCP, IAVF_FDIR_FLOW_IPV6_UDP, IAVF_FDIR_FLOW_IPV6_SCTP, IAVF_FDIR_FLOW_IPV6_AH, IAVF_FDIR_FLOW_IPV6_ESP, IAVF_FDIR_FLOW_IPV6_OTHER, IAVF_FDIR_FLOW_NON_IP_L2, /* MAX - this must be last and add anything new just above it */ IAVF_FDIR_FLOW_PTYPE_MAX, }; /* Must not exceed the array element number of '__be32 data[2]' in the ethtool * 'struct ethtool_rx_flow_spec.m_ext.data[2]' to express the flex-byte (word). */ #define IAVF_FLEX_WORD_NUM 2 struct iavf_flex_word { u16 offset; u16 word; }; struct iavf_ipv4_addrs { __be32 src_ip; __be32 dst_ip; }; struct iavf_ipv6_addrs { struct in6_addr src_ip; struct in6_addr dst_ip; }; struct iavf_fdir_eth { __be16 etype; }; struct iavf_fdir_ip { union { struct iavf_ipv4_addrs v4_addrs; struct iavf_ipv6_addrs v6_addrs; }; __be16 src_port; __be16 dst_port; __be32 l4_header; /* first 4 bytes of the layer 4 header */ __be32 spi; /* security parameter index for AH/ESP */ union { u8 tos; u8 tclass; }; u8 proto; }; struct iavf_fdir_extra { u32 usr_def[IAVF_FLEX_WORD_NUM]; }; /* bookkeeping of Flow Director filters */ struct iavf_fdir_fltr { enum iavf_fdir_fltr_state_t state; struct list_head list; enum iavf_fdir_flow_type flow_type; struct iavf_fdir_eth eth_data; struct iavf_fdir_eth eth_mask; struct iavf_fdir_ip ip_data; struct iavf_fdir_ip ip_mask; struct iavf_fdir_extra ext_data; struct iavf_fdir_extra ext_mask; enum virtchnl_action action; /* flex byte filter data */ u8 ip_ver; /* used to adjust the flex offset, 4 : IPv4, 6 : IPv6 */ u8 flex_cnt; struct iavf_flex_word flex_words[IAVF_FLEX_WORD_NUM]; u32 flow_id; u32 loc; /* Rule location inside the flow table */ u32 q_index; struct virtchnl_fdir_add vc_add_msg; }; int iavf_validate_fdir_fltr_masks(struct iavf_adapter *adapter, struct iavf_fdir_fltr *fltr); int iavf_fill_fdir_add_msg(struct iavf_adapter *adapter, struct iavf_fdir_fltr *fltr); void iavf_print_fdir_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr *fltr); bool iavf_fdir_is_dup_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr *fltr); void iavf_fdir_list_add_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr *fltr); struct iavf_fdir_fltr *iavf_find_fdir_fltr_by_loc(struct iavf_adapter *adapter, u32 loc); #endif /* _IAVF_FDIR_H_ */ |