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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2021, Intel Corporation. */
#ifndef _IAVF_ADV_RSS_H_
#define _IAVF_ADV_RSS_H_
struct iavf_adapter;
/* State of advanced RSS configuration */
enum iavf_adv_rss_state_t {
IAVF_ADV_RSS_ADD_REQUEST, /* User requests to add RSS */
IAVF_ADV_RSS_ADD_PENDING, /* RSS pending add by the PF */
IAVF_ADV_RSS_DEL_REQUEST, /* Driver requests to delete RSS */
IAVF_ADV_RSS_DEL_PENDING, /* RSS pending delete by the PF */
IAVF_ADV_RSS_ACTIVE, /* RSS configuration is active */
};
enum iavf_adv_rss_flow_seg_hdr {
IAVF_ADV_RSS_FLOW_SEG_HDR_NONE = 0x00000000,
IAVF_ADV_RSS_FLOW_SEG_HDR_IPV4 = 0x00000001,
IAVF_ADV_RSS_FLOW_SEG_HDR_IPV6 = 0x00000002,
IAVF_ADV_RSS_FLOW_SEG_HDR_TCP = 0x00000004,
IAVF_ADV_RSS_FLOW_SEG_HDR_UDP = 0x00000008,
IAVF_ADV_RSS_FLOW_SEG_HDR_SCTP = 0x00000010,
};
#define IAVF_ADV_RSS_FLOW_SEG_HDR_L3 \
(IAVF_ADV_RSS_FLOW_SEG_HDR_IPV4 | \
IAVF_ADV_RSS_FLOW_SEG_HDR_IPV6)
#define IAVF_ADV_RSS_FLOW_SEG_HDR_L4 \
(IAVF_ADV_RSS_FLOW_SEG_HDR_TCP | \
IAVF_ADV_RSS_FLOW_SEG_HDR_UDP | \
IAVF_ADV_RSS_FLOW_SEG_HDR_SCTP)
enum iavf_adv_rss_flow_field {
/* L3 */
IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV4_SA,
IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV4_DA,
IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV6_SA,
IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV6_DA,
/* L4 */
IAVF_ADV_RSS_FLOW_FIELD_IDX_TCP_SRC_PORT,
IAVF_ADV_RSS_FLOW_FIELD_IDX_TCP_DST_PORT,
IAVF_ADV_RSS_FLOW_FIELD_IDX_UDP_SRC_PORT,
IAVF_ADV_RSS_FLOW_FIELD_IDX_UDP_DST_PORT,
IAVF_ADV_RSS_FLOW_FIELD_IDX_SCTP_SRC_PORT,
IAVF_ADV_RSS_FLOW_FIELD_IDX_SCTP_DST_PORT,
/* The total number of enums must not exceed 64 */
IAVF_ADV_RSS_FLOW_FIELD_IDX_MAX
};
#define IAVF_ADV_RSS_HASH_INVALID 0
#define IAVF_ADV_RSS_HASH_FLD_IPV4_SA \
BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV4_SA)
#define IAVF_ADV_RSS_HASH_FLD_IPV6_SA \
BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV6_SA)
#define IAVF_ADV_RSS_HASH_FLD_IPV4_DA \
BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV4_DA)
#define IAVF_ADV_RSS_HASH_FLD_IPV6_DA \
BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV6_DA)
#define IAVF_ADV_RSS_HASH_FLD_TCP_SRC_PORT \
BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_TCP_SRC_PORT)
#define IAVF_ADV_RSS_HASH_FLD_TCP_DST_PORT \
BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_TCP_DST_PORT)
#define IAVF_ADV_RSS_HASH_FLD_UDP_SRC_PORT \
BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_UDP_SRC_PORT)
#define IAVF_ADV_RSS_HASH_FLD_UDP_DST_PORT \
BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_UDP_DST_PORT)
#define IAVF_ADV_RSS_HASH_FLD_SCTP_SRC_PORT \
BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_SCTP_SRC_PORT)
#define IAVF_ADV_RSS_HASH_FLD_SCTP_DST_PORT \
BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_SCTP_DST_PORT)
/* bookkeeping of advanced RSS configuration */
struct iavf_adv_rss {
enum iavf_adv_rss_state_t state;
struct list_head list;
u32 packet_hdrs;
u64 hash_flds;
bool symm;
struct virtchnl_rss_cfg cfg_msg;
};
int
iavf_fill_adv_rss_cfg_msg(struct virtchnl_rss_cfg *rss_cfg,
u32 packet_hdrs, u64 hash_flds, bool symm);
struct iavf_adv_rss *
iavf_find_adv_rss_cfg_by_hdrs(struct iavf_adapter *adapter, u32 packet_hdrs);
void
iavf_print_adv_rss_cfg(struct iavf_adapter *adapter, struct iavf_adv_rss *rss,
const char *action, const char *result);
#endif /* _IAVF_ADV_RSS_H_ */
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