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Diffstat (limited to 'drivers/net/ethernet/intel/iavf/iavf_adv_rss.h')
-rw-r--r--drivers/net/ethernet/intel/iavf/iavf_adv_rss.h95
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/iavf/iavf_adv_rss.h b/drivers/net/ethernet/intel/iavf/iavf_adv_rss.h
new file mode 100644
index 000000000..4d3be11af
--- /dev/null
+++ b/drivers/net/ethernet/intel/iavf/iavf_adv_rss.h
@@ -0,0 +1,95 @@
+/* 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;
+
+ 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);
+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_ */