struct ol_tx_desc_t *ol_tx_desc_ll(struct ol_txrx_pdev_t *pdev,
struct ol_txrx_vdev_t *vdev,
cdf_nbuf_t netbuf,
struct ol_txrx_msdu_info_t *msdu_info)
{
struct ol_tx_desc_t *tx_desc;
unsigned int i;
uint32_t num_frags;
msdu_info->htt.info.vdev_id = vdev->vdev_id;
msdu_info->htt.action.cksum_offload = cdf_nbuf_get_tx_cksum(netbuf);
switch (cdf_nbuf_get_exemption_type(netbuf)) {
case CDF_NBUF_EXEMPT_NO_EXEMPTION:
case CDF_NBUF_EXEMPT_ON_KEY_MAPPING_KEY_UNAVAILABLE:
/* We want to encrypt this frame */
msdu_info->htt.action.do_encrypt = 1;
break;
case CDF_NBUF_EXEMPT_ALWAYS:
/* We don't want to encrypt this frame */
msdu_info->htt.action.do_encrypt = 0;
break;
default:
cdf_assert(0);
break;
}
/* allocate the descriptor */
tx_desc = ol_tx_desc_alloc_wrapper(pdev, vdev, msdu_info);
if (!tx_desc)
return NULL;
/* initialize the SW tx descriptor */
tx_desc->netbuf = netbuf;
if (msdu_info->tso_info.is_tso) {
tx_desc->tso_desc = msdu_info->tso_info.curr_seg;
tx_desc->pkt_type = ol_tx_frm_tso;
TXRX_STATS_MSDU_INCR(pdev, tx.tso.tso_pkts, netbuf);
} else {
tx_desc->pkt_type = ol_tx_frm_std;
}
/* initialize the HW tx descriptor */
htt_tx_desc_init(pdev->htt_pdev, tx_desc->htt_tx_desc,
tx_desc->htt_tx_desc_paddr,
ol_tx_desc_id(pdev, tx_desc), netbuf, &msdu_info->htt,
&msdu_info->tso_info,
NULL, vdev->opmode == wlan_op_mode_ocb);
/*
* Initialize the fragmentation descriptor.
* Skip the prefix fragment (HTT tx descriptor) that was added
* during the call to htt_tx_desc_init above.
*/
num_frags = cdf_nbuf_get_num_frags(netbuf);
/* num_frags are expected to be 2 max */
num_frags = (num_frags > CVG_NBUF_MAX_EXTRA_FRAGS)
? CVG_NBUF_MAX_EXTRA_FRAGS
: num_frags;
#if defined(HELIUMPLUS_PADDR64)
/*
* Use num_frags - 1, since 1 frag is used to store
* the HTT/HTC descriptor
* Refer to htt_tx_desc_init()
*/
htt_tx_desc_num_frags(pdev->htt_pdev, tx_desc->htt_frag_desc,
num_frags - 1);
#else /* ! defined(HELIUMPLUSPADDR64) */
htt_tx_desc_num_frags(pdev->htt_pdev, tx_desc->htt_tx_desc,
num_frags - 1);
#endif /* defined(HELIUMPLUS_PADDR64) */
if (msdu_info->tso_info.is_tso) {
htt_tx_desc_fill_tso_info(pdev->htt_pdev,
tx_desc->htt_frag_desc, &msdu_info->tso_info);
TXRX_STATS_TSO_SEG_UPDATE(pdev,
msdu_info->tso_info.curr_seg->seg);
} else {
for (i = 1; i < num_frags; i++) {
cdf_size_t frag_len;
uint32_t frag_paddr;
frag_len = cdf_nbuf_get_frag_len(netbuf, i);
frag_paddr = cdf_nbuf_get_frag_paddr_lo(netbuf, i);
#if defined(HELIUMPLUS_PADDR64)
htt_tx_desc_frag(pdev->htt_pdev, tx_desc->htt_frag_desc, i - 1,
frag_paddr, frag_len);
#if defined(HELIUMPLUS_DEBUG)
cdf_print("%s:%d: htt_fdesc=%p frag_paddr=%u len=%zu\n",
__func__, __LINE__, tx_desc->htt_frag_desc,
frag_paddr, frag_len);
dump_pkt(netbuf, frag_paddr, 64);
#endif /* HELIUMPLUS_DEBUG */
#else /* ! defined(HELIUMPLUSPADDR64) */
htt_tx_desc_frag(pdev->htt_pdev, tx_desc->htt_tx_desc, i - 1,
frag_paddr, frag_len);
#endif /* defined(HELIUMPLUS_PADDR64) */
}
}
#if defined(HELIUMPLUS_DEBUG)
dump_frag_desc("ol_tx_desc_ll()", tx_desc);
#endif
return tx_desc;
}
struct ol_tx_desc_t *
ol_tx_desc_ll(
struct ol_txrx_pdev_t *pdev,
struct ol_txrx_vdev_t *vdev,
adf_nbuf_t netbuf,
struct ol_txrx_msdu_info_t *msdu_info)
{
struct ol_tx_desc_t *tx_desc;
unsigned int i;
u_int32_t num_frags;
msdu_info->htt.info.vdev_id = vdev->vdev_id;
msdu_info->htt.action.cksum_offload = adf_nbuf_get_tx_cksum(netbuf);
switch (adf_nbuf_get_exemption_type(netbuf)) {
case ADF_NBUF_EXEMPT_NO_EXEMPTION:
case ADF_NBUF_EXEMPT_ON_KEY_MAPPING_KEY_UNAVAILABLE:
/* We want to encrypt this frame */
msdu_info->htt.action.do_encrypt = 1;
break;
case ADF_NBUF_EXEMPT_ALWAYS:
/* We don't want to encrypt this frame */
msdu_info->htt.action.do_encrypt = 0;
break;
default:
adf_os_assert(0);
break;
}
/* allocate the descriptor */
tx_desc = ol_tx_desc_alloc(pdev, vdev);
if (!tx_desc) return NULL;
/* initialize the SW tx descriptor */
tx_desc->netbuf = netbuf;
/* fix this - get pkt_type from msdu_info */
tx_desc->pkt_type = ol_tx_frm_std;
/* initialize the HW tx descriptor */
htt_tx_desc_init(
pdev->htt_pdev, tx_desc->htt_tx_desc,
tx_desc->htt_tx_desc_paddr,
ol_tx_desc_id(pdev, tx_desc),
netbuf,
&msdu_info->htt, NULL, vdev->opmode == wlan_op_mode_ocb);
/*
* Initialize the fragmentation descriptor.
* Skip the prefix fragment (HTT tx descriptor) that was added
* during the call to htt_tx_desc_init above.
*/
num_frags = adf_nbuf_get_num_frags(netbuf);
/* num_frags are expected to be 2 max */
num_frags = (num_frags > CVG_NBUF_MAX_EXTRA_FRAGS) ? CVG_NBUF_MAX_EXTRA_FRAGS : num_frags;
htt_tx_desc_num_frags(pdev->htt_pdev, tx_desc->htt_tx_desc, num_frags-1);
for (i = 1; i < num_frags; i++) {
adf_os_size_t frag_len;
u_int32_t frag_paddr;
frag_len = adf_nbuf_get_frag_len(netbuf, i);
frag_paddr = adf_nbuf_get_frag_paddr_lo(netbuf, i);
htt_tx_desc_frag(
pdev->htt_pdev, tx_desc->htt_tx_desc, i-1, frag_paddr, frag_len);
}
return tx_desc;
}