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/* bnx2x_vfpf.c: Broadcom Everest network driver.
*
* Copyright 2009-2012 Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2, available
* at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a
* license other than the GPL, without Broadcom's express prior written
* consent.
*
* Maintained by: Eilon Greenstein <eilong@broadcom.com>
* Written by: Shmulik Ravid <shmulikr@broadcom.com>
* Ariel Elior <ariele@broadcom.com>
*/
#include "bnx2x.h"
#include "bnx2x_sriov.h"
/* place a given tlv on the tlv buffer at a given offset */
void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list, u16 offset, u16 type,
u16 length)
{
struct channel_tlv *tl =
(struct channel_tlv *)(tlvs_list + offset);
tl->type = type;
tl->length = length;
}
/* Clear the mailbox and init the header of the first tlv */
void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv,
u16 type, u16 length)
{
DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n",
type);
/* Clear mailbox */
memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg));
/* init type and length */
bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length);
/* init first tlv header */
first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req);
}
/* list the types and lengths of the tlvs on the buffer */
void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list)
{
int i = 1;
struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;
while (tlv->type != CHANNEL_TLV_LIST_END) {
/* output tlv */
DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
tlv->type, tlv->length);
/* advance to next tlv */
tlvs_list += tlv->length;
/* cast general tlv list pointer to channel tlv header*/
tlv = (struct channel_tlv *)tlvs_list;
i++;
/* break condition for this loop */
if (i > MAX_TLVS_IN_LIST) {
WARN(true, "corrupt tlvs");
return;
}
}
/* output last tlv */
DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
tlv->type, tlv->length);
}
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