1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (c) 2021, Intel Corporation. */ 3 4 #ifndef _IAVF_ADV_RSS_H_ 5 #define _IAVF_ADV_RSS_H_ 6 7 struct iavf_adapter; 8 9 /* State of advanced RSS configuration */ 10 enum iavf_adv_rss_state_t { 11 IAVF_ADV_RSS_ADD_REQUEST, /* User requests to add RSS */ 12 IAVF_ADV_RSS_ADD_PENDING, /* RSS pending add by the PF */ 13 IAVF_ADV_RSS_DEL_REQUEST, /* Driver requests to delete RSS */ 14 IAVF_ADV_RSS_DEL_PENDING, /* RSS pending delete by the PF */ 15 IAVF_ADV_RSS_ACTIVE, /* RSS configuration is active */ 16 }; 17 18 enum iavf_adv_rss_flow_seg_hdr { 19 IAVF_ADV_RSS_FLOW_SEG_HDR_NONE = 0x00000000, 20 IAVF_ADV_RSS_FLOW_SEG_HDR_IPV4 = 0x00000001, 21 IAVF_ADV_RSS_FLOW_SEG_HDR_IPV6 = 0x00000002, 22 IAVF_ADV_RSS_FLOW_SEG_HDR_TCP = 0x00000004, 23 IAVF_ADV_RSS_FLOW_SEG_HDR_UDP = 0x00000008, 24 IAVF_ADV_RSS_FLOW_SEG_HDR_SCTP = 0x00000010, 25 }; 26 27 #define IAVF_ADV_RSS_FLOW_SEG_HDR_L3 \ 28 (IAVF_ADV_RSS_FLOW_SEG_HDR_IPV4 | \ 29 IAVF_ADV_RSS_FLOW_SEG_HDR_IPV6) 30 31 #define IAVF_ADV_RSS_FLOW_SEG_HDR_L4 \ 32 (IAVF_ADV_RSS_FLOW_SEG_HDR_TCP | \ 33 IAVF_ADV_RSS_FLOW_SEG_HDR_UDP | \ 34 IAVF_ADV_RSS_FLOW_SEG_HDR_SCTP) 35 36 enum iavf_adv_rss_flow_field { 37 /* L3 */ 38 IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV4_SA, 39 IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV4_DA, 40 IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV6_SA, 41 IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV6_DA, 42 /* L4 */ 43 IAVF_ADV_RSS_FLOW_FIELD_IDX_TCP_SRC_PORT, 44 IAVF_ADV_RSS_FLOW_FIELD_IDX_TCP_DST_PORT, 45 IAVF_ADV_RSS_FLOW_FIELD_IDX_UDP_SRC_PORT, 46 IAVF_ADV_RSS_FLOW_FIELD_IDX_UDP_DST_PORT, 47 IAVF_ADV_RSS_FLOW_FIELD_IDX_SCTP_SRC_PORT, 48 IAVF_ADV_RSS_FLOW_FIELD_IDX_SCTP_DST_PORT, 49 50 /* The total number of enums must not exceed 64 */ 51 IAVF_ADV_RSS_FLOW_FIELD_IDX_MAX 52 }; 53 54 #define IAVF_ADV_RSS_HASH_INVALID 0 55 #define IAVF_ADV_RSS_HASH_FLD_IPV4_SA \ 56 BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV4_SA) 57 #define IAVF_ADV_RSS_HASH_FLD_IPV6_SA \ 58 BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV6_SA) 59 #define IAVF_ADV_RSS_HASH_FLD_IPV4_DA \ 60 BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV4_DA) 61 #define IAVF_ADV_RSS_HASH_FLD_IPV6_DA \ 62 BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV6_DA) 63 #define IAVF_ADV_RSS_HASH_FLD_TCP_SRC_PORT \ 64 BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_TCP_SRC_PORT) 65 #define IAVF_ADV_RSS_HASH_FLD_TCP_DST_PORT \ 66 BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_TCP_DST_PORT) 67 #define IAVF_ADV_RSS_HASH_FLD_UDP_SRC_PORT \ 68 BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_UDP_SRC_PORT) 69 #define IAVF_ADV_RSS_HASH_FLD_UDP_DST_PORT \ 70 BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_UDP_DST_PORT) 71 #define IAVF_ADV_RSS_HASH_FLD_SCTP_SRC_PORT \ 72 BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_SCTP_SRC_PORT) 73 #define IAVF_ADV_RSS_HASH_FLD_SCTP_DST_PORT \ 74 BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_SCTP_DST_PORT) 75 76 /* bookkeeping of advanced RSS configuration */ 77 struct iavf_adv_rss { 78 enum iavf_adv_rss_state_t state; 79 struct list_head list; 80 81 u32 packet_hdrs; 82 u64 hash_flds; 83 bool symm; 84 85 struct virtchnl_rss_cfg cfg_msg; 86 }; 87 88 int 89 iavf_fill_adv_rss_cfg_msg(struct virtchnl_rss_cfg *rss_cfg, 90 u32 packet_hdrs, u64 hash_flds, bool symm); 91 struct iavf_adv_rss * 92 iavf_find_adv_rss_cfg_by_hdrs(struct iavf_adapter *adapter, u32 packet_hdrs); 93 void 94 iavf_print_adv_rss_cfg(struct iavf_adapter *adapter, struct iavf_adv_rss *rss, 95 const char *action, const char *result); 96 #endif /* _IAVF_ADV_RSS_H_ */ 97