diff options
author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-05-14 01:20:35 -0400 |
---|---|---|
committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-11 05:42:06 -0400 |
commit | a6a5580c4d90788d67a77c689d3ab22aa5eecfc3 (patch) | |
tree | 89080daf4b0b4939daadb807f19eca3e977d42cb /drivers/net/ethernet/cisco/enic/vnic_vic.c | |
parent | 9aa3283595451ca093500ff0977b106e1f465586 (diff) |
enic: Move the Cisco driver
Move the Cisco driver into drivers/net/ethernet/cisco/ and make the
necessary Kconfig and Makefile changes.
CC: Christian Benvenuti <benve@cisco.com>
CC: Vasanthy Kolluri <vkolluri@cisco.com>
CC: Roopa Prabhu <roprabhu@cisco.com>
CC: David Wang <dwang2@cisco.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/cisco/enic/vnic_vic.c')
-rw-r--r-- | drivers/net/ethernet/cisco/enic/vnic_vic.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cisco/enic/vnic_vic.c b/drivers/net/ethernet/cisco/enic/vnic_vic.c new file mode 100644 index 000000000000..24ef8cd40545 --- /dev/null +++ b/drivers/net/ethernet/cisco/enic/vnic_vic.c | |||
@@ -0,0 +1,79 @@ | |||
1 | /* | ||
2 | * Copyright 2010 Cisco Systems, Inc. All rights reserved. | ||
3 | * | ||
4 | * This program is free software; you may redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License as published by | ||
6 | * the Free Software Foundation; version 2 of the License. | ||
7 | * | ||
8 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
9 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
10 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
11 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | ||
12 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | ||
13 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
14 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
15 | * SOFTWARE. | ||
16 | * | ||
17 | */ | ||
18 | |||
19 | #include <linux/kernel.h> | ||
20 | #include <linux/errno.h> | ||
21 | #include <linux/types.h> | ||
22 | #include <linux/slab.h> | ||
23 | |||
24 | #include "vnic_vic.h" | ||
25 | |||
26 | struct vic_provinfo *vic_provinfo_alloc(gfp_t flags, const u8 *oui, | ||
27 | const u8 type) | ||
28 | { | ||
29 | struct vic_provinfo *vp; | ||
30 | |||
31 | if (!oui) | ||
32 | return NULL; | ||
33 | |||
34 | vp = kzalloc(VIC_PROVINFO_MAX_DATA, flags); | ||
35 | if (!vp) | ||
36 | return NULL; | ||
37 | |||
38 | memcpy(vp->oui, oui, sizeof(vp->oui)); | ||
39 | vp->type = type; | ||
40 | vp->length = htonl(sizeof(vp->num_tlvs)); | ||
41 | |||
42 | return vp; | ||
43 | } | ||
44 | |||
45 | void vic_provinfo_free(struct vic_provinfo *vp) | ||
46 | { | ||
47 | kfree(vp); | ||
48 | } | ||
49 | |||
50 | int vic_provinfo_add_tlv(struct vic_provinfo *vp, u16 type, u16 length, | ||
51 | const void *value) | ||
52 | { | ||
53 | struct vic_provinfo_tlv *tlv; | ||
54 | |||
55 | if (!vp || !value) | ||
56 | return -EINVAL; | ||
57 | |||
58 | if (ntohl(vp->length) + offsetof(struct vic_provinfo_tlv, value) + | ||
59 | length > VIC_PROVINFO_MAX_TLV_DATA) | ||
60 | return -ENOMEM; | ||
61 | |||
62 | tlv = (struct vic_provinfo_tlv *)((u8 *)vp->tlv + | ||
63 | ntohl(vp->length) - sizeof(vp->num_tlvs)); | ||
64 | |||
65 | tlv->type = htons(type); | ||
66 | tlv->length = htons(length); | ||
67 | memcpy(tlv->value, value, length); | ||
68 | |||
69 | vp->num_tlvs = htonl(ntohl(vp->num_tlvs) + 1); | ||
70 | vp->length = htonl(ntohl(vp->length) + | ||
71 | offsetof(struct vic_provinfo_tlv, value) + length); | ||
72 | |||
73 | return 0; | ||
74 | } | ||
75 | |||
76 | size_t vic_provinfo_size(struct vic_provinfo *vp) | ||
77 | { | ||
78 | return vp ? ntohl(vp->length) + sizeof(*vp) - sizeof(vp->num_tlvs) : 0; | ||
79 | } | ||