mirror of https://github.com/F-Stack/f-stack.git
111 lines
2.8 KiB
C
111 lines
2.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright(c) 2021 Xilinx, Inc.
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*/
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#ifndef _SFC_FLOW_TUNNEL_H
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#define _SFC_FLOW_TUNNEL_H
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#include <limits.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <rte_flow.h>
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#include "efx.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** Flow Tunnel (FT) SW entry ID */
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typedef uint8_t sfc_ft_ctx_id_t;
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#define SFC_FT_CTX_MARK_BITS \
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(sizeof(sfc_ft_ctx_id_t) * CHAR_BIT)
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#define SFC_FT_USER_MARK_BITS \
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(sizeof(uint32_t) * CHAR_BIT - SFC_FT_CTX_MARK_BITS)
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#define SFC_FT_USER_MARK_MASK \
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RTE_LEN2MASK(SFC_FT_USER_MARK_BITS, uint32_t)
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#define SFC_FT_FLOW_MARK_TO_CTX_MARK(_flow_mark) \
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((_flow_mark) >> SFC_FT_USER_MARK_BITS)
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#define SFC_FT_CTX_MARK_INVALID (0)
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#define SFC_FT_CTX_MARK_TO_CTX_ID(_ctx_mark) \
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((_ctx_mark) - 1)
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#define SFC_FT_CTX_ID_TO_CTX_MARK(_ctx_id) \
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((_ctx_id) + 1)
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#define SFC_FT_CTX_ID_TO_FLOW_MARK(_ctx_id) \
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(SFC_FT_CTX_ID_TO_CTX_MARK(_ctx_id) << SFC_FT_USER_MARK_BITS)
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#define SFC_FT_FLOW_MARK_TO_USER_MARK(_flow_mark) \
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((_flow_mark) & SFC_FT_USER_MARK_MASK)
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#define SFC_FT_MAX_NTUNNELS \
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(RTE_LEN2MASK(SFC_FT_CTX_MARK_BITS, uint8_t) - 1)
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struct sfc_ft_ctx {
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bool tunnel_rule_is_set;
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efx_tunnel_protocol_t encap_type;
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struct rte_flow_tunnel tunnel;
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unsigned int refcnt;
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sfc_ft_ctx_id_t id;
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struct rte_flow_action_mark action_mark;
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struct rte_flow_action action;
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struct rte_flow_item_mark item_mark_v;
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struct rte_flow_item_mark item_mark_m;
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struct rte_flow_item item;
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uint64_t reset_tunnel_hit_counter;
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uint64_t switch_hit_counter;
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};
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struct sfc_adapter;
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bool sfc_ft_is_supported(struct sfc_adapter *sa);
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bool sfc_ft_is_active(struct sfc_adapter *sa);
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struct sfc_ft_ctx *sfc_ft_ctx_pick(struct sfc_adapter *sa, uint32_t flow_mark);
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int sfc_ft_tunnel_rule_detect(struct sfc_adapter *sa,
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const struct rte_flow_action *actions,
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struct sfc_flow_spec_mae *spec,
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struct rte_flow_error *error);
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int sfc_ft_decap_set(struct rte_eth_dev *dev, struct rte_flow_tunnel *tunnel,
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struct rte_flow_action **pmd_actions,
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uint32_t *num_of_actions, struct rte_flow_error *err);
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int sfc_ft_match(struct rte_eth_dev *dev, struct rte_flow_tunnel *tunnel,
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struct rte_flow_item **pmd_items, uint32_t *num_of_items,
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struct rte_flow_error *err);
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int sfc_ft_item_release(struct rte_eth_dev *dev,
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struct rte_flow_item *pmd_items, uint32_t num_items,
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struct rte_flow_error *err);
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int sfc_ft_action_decap_release(struct rte_eth_dev *dev,
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struct rte_flow_action *pmd_actions,
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uint32_t num_actions,
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struct rte_flow_error *err);
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int sfc_ft_get_restore_info(struct rte_eth_dev *dev, struct rte_mbuf *m,
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struct rte_flow_restore_info *info,
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struct rte_flow_error *err);
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void sfc_ft_counters_reset(struct sfc_adapter *sa);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SFC_FLOW_TUNNEL_H */
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