int
bcm_rpc_tp_buf_send(rpc_tp_info_t * rpcb, rpc_buf_t *b)
{
int err;
/* Add the TP encapsulation */
bcm_rpc_tp_tx_encap(rpcb, b);
/* if aggregation enabled use the agg path, otherwise send immediately */
if (rpcb->tp_tx_aggregation) {
err = bcm_rpc_tp_tx_agg(rpcb, b);
} else {
rpcb->tp_tx_agg_cnt_pass++;
err = bcm_rpc_tp_buf_send_internal(rpcb, b);
}
return err;
}
int
bcm_rpc_tp_send_callreturn(rpc_tp_info_t * rpc_th, rpc_buf_t *b)
{
int err, pktlen;
struct lbuf *lb;
hndrte_dev_t *chained = rpc_th->ctx->chained;
ASSERT(chained);
/* Add the TP encapsulation */
bcm_rpc_tp_tx_encap(rpc_th, b);
/* Pad if pkt size is a multiple of MPS */
pktlen = bcm_rpc_buf_totlen_get(rpc_th, b);
if (pktlen % BCM_RPC_TP_DNGL_CTRLEP_MPS == 0) {
RPC_TP_AGG(("%s, tp pkt is multiple of %d bytes, padding %d bytes\n",
__FUNCTION__, BCM_RPC_TP_DNGL_CTRLEP_MPS, BCM_RPC_TP_DNGL_ZLP_PAD));
bcm_rpc_tp_buf_pad(rpc_th, b, BCM_RPC_TP_DNGL_ZLP_PAD);
}
lb = PKTTONATIVE(rpc_th->osh, b);
if (rpc_th->has_2nd_bulk_in_ep) {
err = chained->funcs->xmit2(rpc_th->ctx, chained, lb, USBDEV_BULK_IN_EP2);
} else {
err = chained->funcs->xmit_ctl(rpc_th->ctx, chained, lb);
}
/* send through control endpoint */
if (err != 0) {
RPC_TP_ERR(("%s: xmit failed; free pkt %p\n", __FUNCTION__, lb));
rpc_th->txerr_cnt++;
lb_free(lb);
} else {
rpc_th->tx_cnt++;
/* give pkt ownership to usb driver, decrement the counter */
rpc_th->buf_cnt_inuse -= pktsegcnt(rpc_th->osh, b);
}
return err;
}
int
bcm_rpc_tp_buf_send(rpc_tp_info_t * rpc_th, rpc_buf_t *b)
{
int err;
/* Add the TP encapsulation */
bcm_rpc_tp_tx_encap(rpc_th, b);
/* if agg successful, done; otherwise, send it */
if (rpc_th->tp_dngl_aggregation) {
err = bcm_rpc_tp_dngl_agg(rpc_th, b);
return err;
}
rpc_th->tp_dngl_agg_cnt_pass++;
if (rpc_th->tx_flowctl) {
bcm_rpc_tp_buf_send_enq(rpc_th, b);
err = 0;
} else {
err = bcm_rpc_tp_buf_send_internal(rpc_th, b, USBDEV_BULK_IN_EP1);
}
return err;
}
