| netmap_mem2.h (270063) | netmap_mem2.h (285349) |
|---|---|
| 1/* 2 * Copyright (C) 2012-2014 Matteo Landi, Luigi Rizzo, Giuseppe Lettieri. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 10 unchanged lines hidden (view full) --- 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26/* | 1/* 2 * Copyright (C) 2012-2014 Matteo Landi, Luigi Rizzo, Giuseppe Lettieri. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. --- 10 unchanged lines hidden (view full) --- 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26/* |
| 27 * $FreeBSD: head/sys/dev/netmap/netmap_mem2.h 270063 2014-08-16 15:00:01Z luigi $ | 27 * $FreeBSD: head/sys/dev/netmap/netmap_mem2.h 285349 2015-07-10 05:51:36Z luigi $ |
| 28 * 29 * (New) memory allocator for netmap 30 */ 31 32/* 33 * This allocator creates three memory pools: 34 * nm_if_pool for the struct netmap_if 35 * nm_ring_pool for the struct netmap_ring --- 76 unchanged lines hidden (view full) --- 112 * structure. The global allocator uses this information to prevent/allow 113 * reconfiguration. The private allocators release all their memory when there 114 * are no active users. By 'active user' we mean an existing netmap_priv 115 * structure holding a reference to the allocator. 116 */ 117 118extern struct netmap_mem_d nm_mem; 119 | 28 * 29 * (New) memory allocator for netmap 30 */ 31 32/* 33 * This allocator creates three memory pools: 34 * nm_if_pool for the struct netmap_if 35 * nm_ring_pool for the struct netmap_ring --- 76 unchanged lines hidden (view full) --- 112 * structure. The global allocator uses this information to prevent/allow 113 * reconfiguration. The private allocators release all their memory when there 114 * are no active users. By 'active user' we mean an existing netmap_priv 115 * structure holding a reference to the allocator. 116 */ 117 118extern struct netmap_mem_d nm_mem; 119 |
| 120struct lut_entry* netmap_mem_get_lut(struct netmap_mem_d *); 121u_int netmap_mem_get_buftotal(struct netmap_mem_d *); 122size_t netmap_mem_get_bufsize(struct netmap_mem_d *); | 120void netmap_mem_get_lut(struct netmap_mem_d *, struct netmap_lut *); |
| 123vm_paddr_t netmap_mem_ofstophys(struct netmap_mem_d *, vm_ooffset_t); 124int netmap_mem_finalize(struct netmap_mem_d *, struct netmap_adapter *); 125int netmap_mem_init(void); 126void netmap_mem_fini(void); 127struct netmap_if * netmap_mem_if_new(struct netmap_adapter *); 128void netmap_mem_if_delete(struct netmap_adapter *, struct netmap_if *); 129int netmap_mem_rings_create(struct netmap_adapter *); 130void netmap_mem_rings_delete(struct netmap_adapter *); 131void netmap_mem_deref(struct netmap_mem_d *, struct netmap_adapter *); 132int netmap_mem_get_info(struct netmap_mem_d *, u_int *size, u_int *memflags, uint16_t *id); 133ssize_t netmap_mem_if_offset(struct netmap_mem_d *, const void *vaddr); 134struct netmap_mem_d* netmap_mem_private_new(const char *name, 135 u_int txr, u_int txd, u_int rxr, u_int rxd, u_int extra_bufs, u_int npipes, 136 int* error); | 121vm_paddr_t netmap_mem_ofstophys(struct netmap_mem_d *, vm_ooffset_t); 122int netmap_mem_finalize(struct netmap_mem_d *, struct netmap_adapter *); 123int netmap_mem_init(void); 124void netmap_mem_fini(void); 125struct netmap_if * netmap_mem_if_new(struct netmap_adapter *); 126void netmap_mem_if_delete(struct netmap_adapter *, struct netmap_if *); 127int netmap_mem_rings_create(struct netmap_adapter *); 128void netmap_mem_rings_delete(struct netmap_adapter *); 129void netmap_mem_deref(struct netmap_mem_d *, struct netmap_adapter *); 130int netmap_mem_get_info(struct netmap_mem_d *, u_int *size, u_int *memflags, uint16_t *id); 131ssize_t netmap_mem_if_offset(struct netmap_mem_d *, const void *vaddr); 132struct netmap_mem_d* netmap_mem_private_new(const char *name, 133 u_int txr, u_int txd, u_int rxr, u_int rxd, u_int extra_bufs, u_int npipes, 134 int* error); |
| 137void netmap_mem_private_delete(struct netmap_mem_d *); | 135void netmap_mem_delete(struct netmap_mem_d *); |
| 138 | 136 |
| 137//#define NM_DEBUG_MEM_PUTGET 1 138 139#ifdef NM_DEBUG_MEM_PUTGET 140 141#define netmap_mem_get(nmd) \ 142 do { \ 143 __netmap_mem_get(nmd, __FUNCTION__, __LINE__); \ 144 } while (0) 145 146#define netmap_mem_put(nmd) \ 147 do { \ 148 __netmap_mem_put(nmd, __FUNCTION__, __LINE__); \ 149 } while (0) 150 151void __netmap_mem_get(struct netmap_mem_d *, const char *, int); 152void __netmap_mem_put(struct netmap_mem_d *, const char *, int); 153#else /* !NM_DEBUG_MEM_PUTGET */ 154 155void netmap_mem_get(struct netmap_mem_d *); 156void netmap_mem_put(struct netmap_mem_d *); 157 158#endif /* !NM_DEBUG_PUTGET */ 159 |
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| 139#define NETMAP_MEM_PRIVATE 0x2 /* allocator uses private address space */ 140#define NETMAP_MEM_IO 0x4 /* the underlying memory is mmapped I/O */ 141 142uint32_t netmap_extra_alloc(struct netmap_adapter *, uint32_t *, uint32_t n); 143 | 160#define NETMAP_MEM_PRIVATE 0x2 /* allocator uses private address space */ 161#define NETMAP_MEM_IO 0x4 /* the underlying memory is mmapped I/O */ 162 163uint32_t netmap_extra_alloc(struct netmap_adapter *, uint32_t *, uint32_t n); 164 |
| 144 | |
| 145#endif | 165#endif |