projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 9f95a23c TL |
1 | /* SPDX-License-Identifier: BSD-3-Clause |
| 2 | * Copyright(c) 2018 Chelsio Communications. | |
| 3 | * All rights reserved. | |
| 4 | */ | |
| 5 | ||
| 6 | #ifndef _CXGBE_MPSTCAM_H_ | |
| 7 | #define _CXGBE_MPSTCAM_H_ | |
| 8 | ||
| 9 | #include "base/common.h" | |
| 10 | ||
| 11 | enum { | |
| 12 | MPS_ENTRY_UNUSED, /* Keep this first so memset 0 renders | |
| 13 | * the correct state. Other states can | |
| 14 | * be added in future like MPS_ENTRY_BUSY | |
| 15 | * to reduce contention while mboxing | |
| 16 | * the request to f/w or to denote attributes | |
| 17 | * for a specific entry | |
| 18 | */ | |
| 19 | MPS_ENTRY_USED, | |
| 20 | }; | |
| 21 | ||
| 22 | struct mps_tcam_entry { | |
| 23 | u8 state; | |
| 24 | u16 idx; | |
| 25 | ||
| 26 | /* add data here which uniquely defines an entry */ | |
| f67539c2 TL |
27 | u8 eth_addr[RTE_ETHER_ADDR_LEN]; |
| 28 | u8 mask[RTE_ETHER_ADDR_LEN]; | |
| 9f95a23c TL |
29 | |
| 30 | struct mpstcam_table *mpstcam; /* backptr */ | |
| 31 | rte_atomic32_t refcnt; | |
| 32 | }; | |
| 33 | ||
| 34 | struct mpstcam_table { | |
| 35 | u16 size; | |
| 36 | rte_rwlock_t lock; | |
| 37 | u16 free_idx; /* next free index */ | |
| 38 | bool full; /* since free index can be present | |
| 39 | * anywhere in the table, size and | |
| 40 | * free_idx cannot alone determine | |
| 41 | * if the table is full | |
| 42 | */ | |
| 43 | struct mps_tcam_entry entry[0]; | |
| 44 | }; | |
| 45 | ||
| 46 | struct mpstcam_table *t4_init_mpstcam(struct adapter *adap); | |
| 47 | void t4_cleanup_mpstcam(struct adapter *adap); | |
| 48 | int cxgbe_mpstcam_alloc(struct port_info *pi, const u8 *mac, const u8 *mask); | |
| 49 | int cxgbe_mpstcam_remove(struct port_info *pi, u16 idx); | |
| 50 | int cxgbe_mpstcam_modify(struct port_info *pi, int idx, const u8 *addr); | |
| 51 | ||
| 52 | #endif /* _CXGBE_MPSTCAM_H_ */ |