Contributors: 7
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Scott Feldman |
292 |
90.40% |
2 |
22.22% |
| Roopa Prabhu |
13 |
4.02% |
2 |
22.22% |
| Vasanthy Kolluri |
8 |
2.48% |
1 |
11.11% |
| Dan Carpenter |
4 |
1.24% |
1 |
11.11% |
| Kees Cook |
3 |
0.93% |
1 |
11.11% |
| Thomas Gleixner |
2 |
0.62% |
1 |
11.11% |
| Tejun Heo |
1 |
0.31% |
1 |
11.11% |
| Total |
323 |
|
9 |
|
// SPDX-License-Identifier: GPL-2.0-only
// Copyright 2010 Cisco Systems, Inc. All rights reserved.
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/slab.h>
#include "vnic_vic.h"
struct vic_provinfo *vic_provinfo_alloc(gfp_t flags, const u8 *oui,
const u8 type)
{
struct vic_provinfo *vp;
if (!oui)
return NULL;
vp = kzalloc(VIC_PROVINFO_MAX_DATA, flags);
if (!vp)
return NULL;
memcpy(vp->oui, oui, sizeof(vp->oui));
vp->type = type;
vp->length = htonl(sizeof(vp->num_tlvs));
return vp;
}
void vic_provinfo_free(struct vic_provinfo *vp)
{
kfree(vp);
}
int vic_provinfo_add_tlv(struct vic_provinfo *vp, u16 type, u16 length,
const void *value)
{
struct vic_provinfo_tlv *tlv;
if (!vp || !value)
return -EINVAL;
if (ntohl(vp->length) + offsetof(struct vic_provinfo_tlv, value) +
length > VIC_PROVINFO_MAX_TLV_DATA)
return -ENOMEM;
tlv = (struct vic_provinfo_tlv *)((u8 *)vp->tlv +
ntohl(vp->length) - sizeof(vp->num_tlvs));
tlv->type = htons(type);
tlv->length = htons(length);
unsafe_memcpy(tlv->value, value, length,
/* Flexible array of flexible arrays */);
vp->num_tlvs = htonl(ntohl(vp->num_tlvs) + 1);
vp->length = htonl(ntohl(vp->length) +
offsetof(struct vic_provinfo_tlv, value) + length);
return 0;
}
size_t vic_provinfo_size(struct vic_provinfo *vp)
{
return vp ? ntohl(vp->length) + sizeof(*vp) - sizeof(vp->num_tlvs) : 0;
}