diff options
Diffstat (limited to 'drivers/net/cxgb3/cxgb3_defs.h')
-rw-r--r-- | drivers/net/cxgb3/cxgb3_defs.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/net/cxgb3/cxgb3_defs.h b/drivers/net/cxgb3/cxgb3_defs.h new file mode 100644 index 00000000000..920d918ed19 --- /dev/null +++ b/drivers/net/cxgb3/cxgb3_defs.h | |||
@@ -0,0 +1,114 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2006-2008 Chelsio, Inc. All rights reserved. | ||
3 | * | ||
4 | * This software is available to you under a choice of one of two | ||
5 | * licenses. You may choose to be licensed under the terms of the GNU | ||
6 | * General Public License (GPL) Version 2, available from the file | ||
7 | * COPYING in the main directory of this source tree, or the | ||
8 | * OpenIB.org BSD license below: | ||
9 | * | ||
10 | * Redistribution and use in source and binary forms, with or | ||
11 | * without modification, are permitted provided that the following | ||
12 | * conditions are met: | ||
13 | * | ||
14 | * - Redistributions of source code must retain the above | ||
15 | * copyright notice, this list of conditions and the following | ||
16 | * disclaimer. | ||
17 | * | ||
18 | * - Redistributions in binary form must reproduce the above | ||
19 | * copyright notice, this list of conditions and the following | ||
20 | * disclaimer in the documentation and/or other materials | ||
21 | * provided with the distribution. | ||
22 | * | ||
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | ||
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | ||
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
30 | * SOFTWARE. | ||
31 | */ | ||
32 | #ifndef _CHELSIO_DEFS_H | ||
33 | #define _CHELSIO_DEFS_H | ||
34 | |||
35 | #include <linux/skbuff.h> | ||
36 | #include <net/tcp.h> | ||
37 | |||
38 | #include "t3cdev.h" | ||
39 | |||
40 | #include "cxgb3_offload.h" | ||
41 | |||
42 | #define VALIDATE_TID 1 | ||
43 | |||
44 | void *cxgb_alloc_mem(unsigned long size); | ||
45 | void cxgb_free_mem(void *addr); | ||
46 | |||
47 | /* | ||
48 | * Map an ATID or STID to their entries in the corresponding TID tables. | ||
49 | */ | ||
50 | static inline union active_open_entry *atid2entry(const struct tid_info *t, | ||
51 | unsigned int atid) | ||
52 | { | ||
53 | return &t->atid_tab[atid - t->atid_base]; | ||
54 | } | ||
55 | |||
56 | static inline union listen_entry *stid2entry(const struct tid_info *t, | ||
57 | unsigned int stid) | ||
58 | { | ||
59 | return &t->stid_tab[stid - t->stid_base]; | ||
60 | } | ||
61 | |||
62 | /* | ||
63 | * Find the connection corresponding to a TID. | ||
64 | */ | ||
65 | static inline struct t3c_tid_entry *lookup_tid(const struct tid_info *t, | ||
66 | unsigned int tid) | ||
67 | { | ||
68 | struct t3c_tid_entry *t3c_tid = tid < t->ntids ? | ||
69 | &(t->tid_tab[tid]) : NULL; | ||
70 | |||
71 | return (t3c_tid && t3c_tid->client) ? t3c_tid : NULL; | ||
72 | } | ||
73 | |||
74 | /* | ||
75 | * Find the connection corresponding to a server TID. | ||
76 | */ | ||
77 | static inline struct t3c_tid_entry *lookup_stid(const struct tid_info *t, | ||
78 | unsigned int tid) | ||
79 | { | ||
80 | union listen_entry *e; | ||
81 | |||
82 | if (tid < t->stid_base || tid >= t->stid_base + t->nstids) | ||
83 | return NULL; | ||
84 | |||
85 | e = stid2entry(t, tid); | ||
86 | if ((void *)e->next >= (void *)t->tid_tab && | ||
87 | (void *)e->next < (void *)&t->atid_tab[t->natids]) | ||
88 | return NULL; | ||
89 | |||
90 | return &e->t3c_tid; | ||
91 | } | ||
92 | |||
93 | /* | ||
94 | * Find the connection corresponding to an active-open TID. | ||
95 | */ | ||
96 | static inline struct t3c_tid_entry *lookup_atid(const struct tid_info *t, | ||
97 | unsigned int tid) | ||
98 | { | ||
99 | union active_open_entry *e; | ||
100 | |||
101 | if (tid < t->atid_base || tid >= t->atid_base + t->natids) | ||
102 | return NULL; | ||
103 | |||
104 | e = atid2entry(t, tid); | ||
105 | if ((void *)e->next >= (void *)t->tid_tab && | ||
106 | (void *)e->next < (void *)&t->atid_tab[t->natids]) | ||
107 | return NULL; | ||
108 | |||
109 | return &e->t3c_tid; | ||
110 | } | ||
111 | |||
112 | int attach_t3cdev(struct t3cdev *dev); | ||
113 | void detach_t3cdev(struct t3cdev *dev); | ||
114 | #endif | ||