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Provide the ability to enable SCTP RSS hashing by ethtool. It gives users option of generating RSS hash based on the SCTP source and destination ports numbers, IPv4 or IPv6 source and destination addresses. Signed-off-by: Haiyue Wang <haiyue.wang@intel.com> Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2021, Intel Corporation. */
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#ifndef _IAVF_ADV_RSS_H_
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#define _IAVF_ADV_RSS_H_
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struct iavf_adapter;
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/* State of advanced RSS configuration */
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enum iavf_adv_rss_state_t {
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IAVF_ADV_RSS_ADD_REQUEST, /* User requests to add RSS */
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IAVF_ADV_RSS_ADD_PENDING, /* RSS pending add by the PF */
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IAVF_ADV_RSS_DEL_REQUEST, /* Driver requests to delete RSS */
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IAVF_ADV_RSS_DEL_PENDING, /* RSS pending delete by the PF */
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IAVF_ADV_RSS_ACTIVE, /* RSS configuration is active */
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};
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enum iavf_adv_rss_flow_seg_hdr {
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IAVF_ADV_RSS_FLOW_SEG_HDR_NONE = 0x00000000,
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IAVF_ADV_RSS_FLOW_SEG_HDR_IPV4 = 0x00000001,
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IAVF_ADV_RSS_FLOW_SEG_HDR_IPV6 = 0x00000002,
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IAVF_ADV_RSS_FLOW_SEG_HDR_TCP = 0x00000004,
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IAVF_ADV_RSS_FLOW_SEG_HDR_UDP = 0x00000008,
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IAVF_ADV_RSS_FLOW_SEG_HDR_SCTP = 0x00000010,
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};
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#define IAVF_ADV_RSS_FLOW_SEG_HDR_L3 \
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(IAVF_ADV_RSS_FLOW_SEG_HDR_IPV4 | \
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IAVF_ADV_RSS_FLOW_SEG_HDR_IPV6)
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#define IAVF_ADV_RSS_FLOW_SEG_HDR_L4 \
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(IAVF_ADV_RSS_FLOW_SEG_HDR_TCP | \
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IAVF_ADV_RSS_FLOW_SEG_HDR_UDP | \
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IAVF_ADV_RSS_FLOW_SEG_HDR_SCTP)
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enum iavf_adv_rss_flow_field {
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/* L3 */
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IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV4_SA,
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IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV4_DA,
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IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV6_SA,
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IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV6_DA,
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/* L4 */
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IAVF_ADV_RSS_FLOW_FIELD_IDX_TCP_SRC_PORT,
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IAVF_ADV_RSS_FLOW_FIELD_IDX_TCP_DST_PORT,
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IAVF_ADV_RSS_FLOW_FIELD_IDX_UDP_SRC_PORT,
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IAVF_ADV_RSS_FLOW_FIELD_IDX_UDP_DST_PORT,
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IAVF_ADV_RSS_FLOW_FIELD_IDX_SCTP_SRC_PORT,
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IAVF_ADV_RSS_FLOW_FIELD_IDX_SCTP_DST_PORT,
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/* The total number of enums must not exceed 64 */
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IAVF_ADV_RSS_FLOW_FIELD_IDX_MAX
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};
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#define IAVF_ADV_RSS_HASH_INVALID 0
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#define IAVF_ADV_RSS_HASH_FLD_IPV4_SA \
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BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV4_SA)
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#define IAVF_ADV_RSS_HASH_FLD_IPV6_SA \
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BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV6_SA)
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#define IAVF_ADV_RSS_HASH_FLD_IPV4_DA \
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BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV4_DA)
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#define IAVF_ADV_RSS_HASH_FLD_IPV6_DA \
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BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_IPV6_DA)
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#define IAVF_ADV_RSS_HASH_FLD_TCP_SRC_PORT \
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BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_TCP_SRC_PORT)
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#define IAVF_ADV_RSS_HASH_FLD_TCP_DST_PORT \
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BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_TCP_DST_PORT)
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#define IAVF_ADV_RSS_HASH_FLD_UDP_SRC_PORT \
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BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_UDP_SRC_PORT)
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#define IAVF_ADV_RSS_HASH_FLD_UDP_DST_PORT \
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BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_UDP_DST_PORT)
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#define IAVF_ADV_RSS_HASH_FLD_SCTP_SRC_PORT \
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BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_SCTP_SRC_PORT)
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#define IAVF_ADV_RSS_HASH_FLD_SCTP_DST_PORT \
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BIT_ULL(IAVF_ADV_RSS_FLOW_FIELD_IDX_SCTP_DST_PORT)
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/* bookkeeping of advanced RSS configuration */
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struct iavf_adv_rss {
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enum iavf_adv_rss_state_t state;
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struct list_head list;
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u32 packet_hdrs;
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u64 hash_flds;
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struct virtchnl_rss_cfg cfg_msg;
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};
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int
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iavf_fill_adv_rss_cfg_msg(struct virtchnl_rss_cfg *rss_cfg,
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u32 packet_hdrs, u64 hash_flds);
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struct iavf_adv_rss *
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iavf_find_adv_rss_cfg_by_hdrs(struct iavf_adapter *adapter, u32 packet_hdrs);
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void
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iavf_print_adv_rss_cfg(struct iavf_adapter *adapter, struct iavf_adv_rss *rss,
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const char *action, const char *result);
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#endif /* _IAVF_ADV_RSS_H_ */
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