/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2019, Intel Corporation. */ #ifndef _ICE_FLOW_H_ #define _ICE_FLOW_H_ #define ICE_FLOW_ENTRY_HANDLE_INVAL 0 #define ICE_FLOW_FLD_OFF_INVAL 0xffff /* Generate flow hash field from flow field type(s) */ #define ICE_FLOW_HASH_IPV4 \ (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | \ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)) #define ICE_FLOW_HASH_IPV6 \ (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | \ BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)) #define ICE_FLOW_HASH_TCP_PORT \ (BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) | \ BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)) #define ICE_FLOW_HASH_UDP_PORT \ (BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) | \ BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)) #define ICE_FLOW_HASH_SCTP_PORT \ (BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) | \ BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)) #define ICE_HASH_INVALID 0 #define ICE_HASH_TCP_IPV4 (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_TCP_PORT) #define ICE_HASH_TCP_IPV6 (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_TCP_PORT) #define ICE_HASH_UDP_IPV4 (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_UDP_PORT) #define ICE_HASH_UDP_IPV6 (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_UDP_PORT) /* Protocol header fields within a packet segment. A segment consists of one or * more protocol headers that make up a logical group of protocol headers. Each * logical group of protocol headers encapsulates or is encapsulated using/by * tunneling or encapsulation protocols for network virtualization such as GRE, * VxLAN, etc. */ enum ice_flow_seg_hdr { ICE_FLOW_SEG_HDR_NONE = 0x00000000, ICE_FLOW_SEG_HDR_IPV4 = 0x00000004, ICE_FLOW_SEG_HDR_IPV6 = 0x00000008, ICE_FLOW_SEG_HDR_TCP = 0x00000040, ICE_FLOW_SEG_HDR_UDP = 0x00000080, ICE_FLOW_SEG_HDR_SCTP = 0x00000100, ICE_FLOW_SEG_HDR_GRE = 0x00000200, }; enum ice_flow_field { /* L3 */ ICE_FLOW_FIELD_IDX_IPV4_SA, ICE_FLOW_FIELD_IDX_IPV4_DA, ICE_FLOW_FIELD_IDX_IPV6_SA, ICE_FLOW_FIELD_IDX_IPV6_DA, /* L4 */ ICE_FLOW_FIELD_IDX_TCP_SRC_PORT, ICE_FLOW_FIELD_IDX_TCP_DST_PORT, ICE_FLOW_FIELD_IDX_UDP_SRC_PORT, ICE_FLOW_FIELD_IDX_UDP_DST_PORT, ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT, ICE_FLOW_FIELD_IDX_SCTP_DST_PORT, /* GRE */ ICE_FLOW_FIELD_IDX_GRE_KEYID, /* The total number of enums must not exceed 64 */ ICE_FLOW_FIELD_IDX_MAX }; /* Flow headers and fields for AVF support */ enum ice_flow_avf_hdr_field { /* Values 0 - 28 are reserved for future use */ ICE_AVF_FLOW_FIELD_INVALID = 0, ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP = 29, ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP, ICE_AVF_FLOW_FIELD_IPV4_UDP, ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK, ICE_AVF_FLOW_FIELD_IPV4_TCP, ICE_AVF_FLOW_FIELD_IPV4_SCTP, ICE_AVF_FLOW_FIELD_IPV4_OTHER, ICE_AVF_FLOW_FIELD_FRAG_IPV4, /* Values 37-38 are reserved */ ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP = 39, ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP, ICE_AVF_FLOW_FIELD_IPV6_UDP, ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK, ICE_AVF_FLOW_FIELD_IPV6_TCP, ICE_AVF_FLOW_FIELD_IPV6_SCTP, ICE_AVF_FLOW_FIELD_IPV6_OTHER, ICE_AVF_FLOW_FIELD_FRAG_IPV6, ICE_AVF_FLOW_FIELD_RSVD47, ICE_AVF_FLOW_FIELD_FCOE_OX, ICE_AVF_FLOW_FIELD_FCOE_RX, ICE_AVF_FLOW_FIELD_FCOE_OTHER, /* Values 51-62 are reserved */ ICE_AVF_FLOW_FIELD_L2_PAYLOAD = 63, ICE_AVF_FLOW_FIELD_MAX }; /* Supported RSS offloads This macro is defined to support * VIRTCHNL_OP_GET_RSS_HENA_CAPS ops. PF driver sends the RSS hardware * capabilities to the caller of this ops. */ #define ICE_DEFAULT_RSS_HENA ( \ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_UDP) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_SCTP) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_OTHER) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV4) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_UDP) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_SCTP) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_OTHER) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV6) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP) | \ BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP)) enum ice_flow_dir { ICE_FLOW_RX = 0x02, }; enum ice_flow_priority { ICE_FLOW_PRIO_LOW, ICE_FLOW_PRIO_NORMAL, ICE_FLOW_PRIO_HIGH }; #define ICE_FLOW_SEG_MAX 2 #define ICE_FLOW_SEG_RAW_FLD_MAX 2 #define ICE_FLOW_FV_EXTRACT_SZ 2 #define ICE_FLOW_SET_HDRS(seg, val) ((seg)->hdrs |= (u32)(val)) struct ice_flow_seg_xtrct { u8 prot_id; /* Protocol ID of extracted header field */ u16 off; /* Starting offset of the field in header in bytes */ u8 idx; /* Index of FV entry used */ u8 disp; /* Displacement of field in bits fr. FV entry's start */ }; enum ice_flow_fld_match_type { ICE_FLOW_FLD_TYPE_REG, /* Value, mask */ ICE_FLOW_FLD_TYPE_RANGE, /* Value, mask, last (upper bound) */ ICE_FLOW_FLD_TYPE_PREFIX, /* IP address, prefix, size of prefix */ ICE_FLOW_FLD_TYPE_SIZE, /* Value, mask, size of match */ }; struct ice_flow_fld_loc { /* Describe offsets of field information relative to the beginning of * input buffer provided when adding flow entries. */ u16 val; /* Offset where the value is located */ u16 mask; /* Offset where the mask/prefix value is located */ u16 last; /* Length or offset where the upper value is located */ }; struct ice_flow_fld_info { enum ice_flow_fld_match_type type; /* Location where to retrieve data from an input buffer */ struct ice_flow_fld_loc src; /* Location where to put the data into the final entry buffer */ struct ice_flow_fld_loc entry; struct ice_flow_seg_xtrct xtrct; }; struct ice_flow_seg_fld_raw { struct ice_flow_fld_info info; u16 off; /* Offset from the start of the segment */ }; struct ice_flow_seg_info { u32 hdrs; /* Bitmask indicating protocol headers present */ u64 match; /* Bitmask indicating header fields to be matched */ u64 range; /* Bitmask indicating header fields matched as ranges */ struct ice_flow_fld_info fields[ICE_FLOW_FIELD_IDX_MAX]; u8 raws_cnt; /* Number of raw fields to be matched */ struct ice_flow_seg_fld_raw raws[ICE_FLOW_SEG_RAW_FLD_MAX]; }; /* This structure describes a flow entry, and is tracked only in this file */ struct ice_flow_entry { struct list_head l_entry; u64 id; struct ice_flow_prof *prof; /* Flow entry's content */ void *entry; enum ice_flow_priority priority; u16 vsi_handle; u16 entry_sz; }; #define ICE_FLOW_ENTRY_HNDL(e) ((u64)(uintptr_t)e) #define ICE_FLOW_ENTRY_PTR(h) ((struct ice_flow_entry *)(uintptr_t)(h)) struct ice_flow_prof { struct list_head l_entry; u64 id; enum ice_flow_dir dir; u8 segs_cnt; /* Keep track of flow entries associated with this flow profile */ struct mutex entries_lock; struct list_head entries; struct ice_flow_seg_info segs[ICE_FLOW_SEG_MAX]; /* software VSI handles referenced by this flow profile */ DECLARE_BITMAP(vsis, ICE_MAX_VSI); }; struct ice_rss_cfg { struct list_head l_entry; /* bitmap of VSIs added to the RSS entry */ DECLARE_BITMAP(vsis, ICE_MAX_VSI); u64 hashed_flds; u32 packet_hdr; }; enum ice_status ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir, u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt, struct ice_flow_prof **prof); enum ice_status ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id); enum ice_status ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id, u64 entry_id, u16 vsi, enum ice_flow_priority prio, void *data, u64 *entry_h); enum ice_status ice_flow_rem_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_h); void ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld, u16 val_loc, u16 mask_loc, u16 last_loc, bool range); void ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len, u16 val_loc, u16 mask_loc); void ice_rem_vsi_rss_list(struct ice_hw *hw, u16 vsi_handle); enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle); enum ice_status ice_add_avf_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds); enum ice_status ice_rem_vsi_rss_cfg(struct ice_hw *hw, u16 vsi_handle); enum ice_status ice_add_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds, u32 addl_hdrs); u64 ice_get_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u32 hdrs); #endif /* _ICE_FLOW_H_ */