struct ol_tx_desc_t *
ol_tx_desc_alloc_wrapper(struct ol_txrx_pdev_t *pdev,
struct ol_txrx_vdev_t *vdev,
struct ol_txrx_msdu_info_t *msdu_info)
{
if (cdf_unlikely(msdu_info->htt.info.frame_type == htt_pkt_type_mgmt))
return ol_tx_desc_alloc(pdev, vdev, pdev->mgmt_pool);
else
return ol_tx_desc_alloc(pdev, vdev, vdev->pool);
}
struct ol_tx_desc_t *
ol_tx_desc_alloc_wrapper(struct ol_txrx_pdev_t *pdev,
struct ol_txrx_vdev_t *vdev,
struct ol_txrx_msdu_info_t *msdu_info)
{
return ol_tx_desc_alloc(pdev, vdev, vdev->pool);
}
static inline struct ol_tx_desc_t *
ol_tx_desc_alloc_hl(struct ol_txrx_pdev_t *pdev, struct ol_txrx_vdev_t *vdev)
{
struct ol_tx_desc_t *tx_desc;
tx_desc = ol_tx_desc_alloc(pdev, vdev);
if (!tx_desc) return NULL;
adf_os_atomic_dec(&pdev->tx_queue.rsrc_cnt);
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;
}
