41dc98b082
Add interface to delete offloaded flows in HASH region. Use the hash index saved during insertion to delete the corresponding flow. Signed-off-by: Shagun Agrawal <shaguna@chelsio.com> Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2018 Chelsio Communications.
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* All rights reserved.
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*/
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#ifndef _CXGBE_OFLD_H_
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#define _CXGBE_OFLD_H_
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#include <rte_bitmap.h>
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#include "cxgbe_filter.h"
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#define INIT_TP_WR(w, tid) do { \
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(w)->wr.wr_hi = cpu_to_be32(V_FW_WR_OP(FW_TP_WR) | \
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V_FW_WR_IMMDLEN(sizeof(*w) - sizeof(w->wr))); \
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(w)->wr.wr_mid = cpu_to_be32( \
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V_FW_WR_LEN16(DIV_ROUND_UP(sizeof(*w), 16)) | \
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V_FW_WR_FLOWID(tid)); \
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(w)->wr.wr_lo = cpu_to_be64(0); \
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} while (0)
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#define INIT_TP_WR_MIT_CPL(w, cpl, tid) do { \
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INIT_TP_WR(w, tid); \
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OPCODE_TID(w) = cpu_to_be32(MK_OPCODE_TID(cpl, tid)); \
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} while (0)
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#define INIT_ULPTX_WR(w, wrlen, atomic, tid) do { \
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(w)->wr.wr_hi = cpu_to_be32(V_FW_WR_OP(FW_ULPTX_WR) | \
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V_FW_WR_ATOMIC(atomic)); \
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(w)->wr.wr_mid = cpu_to_be32(V_FW_WR_LEN16(DIV_ROUND_UP(wrlen, 16)) | \
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V_FW_WR_FLOWID(tid)); \
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(w)->wr.wr_lo = cpu_to_be64(0); \
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} while (0)
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/*
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* Max # of ATIDs. The absolute HW max is 16K but we keep it lower.
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*/
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#define MAX_ATIDS 8192U
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union aopen_entry {
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void *data;
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union aopen_entry *next;
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};
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/*
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* Holds the size, base address, free list start, etc of filter TID.
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* The tables themselves are allocated dynamically.
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*/
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struct tid_info {
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void **tid_tab;
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unsigned int ntids;
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struct filter_entry *ftid_tab; /* Normal filters */
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union aopen_entry *atid_tab;
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struct rte_bitmap *ftid_bmap;
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uint8_t *ftid_bmap_array;
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unsigned int nftids, natids;
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unsigned int ftid_base, hash_base;
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union aopen_entry *afree;
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unsigned int atids_in_use;
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/* TIDs in the TCAM */
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rte_atomic32_t tids_in_use;
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/* TIDs in the HASH */
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rte_atomic32_t hash_tids_in_use;
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rte_atomic32_t conns_in_use;
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rte_spinlock_t atid_lock __rte_cache_aligned;
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rte_spinlock_t ftid_lock;
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};
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static inline void *lookup_tid(const struct tid_info *t, unsigned int tid)
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{
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return tid < t->ntids ? t->tid_tab[tid] : NULL;
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}
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static inline void *lookup_atid(const struct tid_info *t, unsigned int atid)
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{
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return atid < t->natids ? t->atid_tab[atid].data : NULL;
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}
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int cxgbe_alloc_atid(struct tid_info *t, void *data);
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void cxgbe_free_atid(struct tid_info *t, unsigned int atid);
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void cxgbe_remove_tid(struct tid_info *t, unsigned int qid, unsigned int tid,
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unsigned short family);
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void cxgbe_insert_tid(struct tid_info *t, void *data, unsigned int tid,
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unsigned short family);
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#endif /* _CXGBE_OFLD_H_ */
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