2.2 BSP Rel. 1.0 for PPMC-275 Programmer's Guide
2.2 BSP Rel. 1.0 for PPMC-275 Programmer's Guide
2.2 BSP Rel. 1.0 for PPMC-275 Programmer's Guide
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List of APIs API Call Reference<br />
RETURN<br />
ETH_QUEUE_FULL In case of Tx resource error.<br />
ETH_ERROR In case the routine can not access Tx desc ring.<br />
ETH_QUEUE_LAST_RESOURCE If the routine uses the last Tx<br />
resource.<br />
ETH_OK Otherwise.<br />
ETH_FUNC_RET_STATUS ethTxReturnDesc(ETH_PORT_INFO *pEthPortCtrl, ETH_QUEUE<br />
txQueue, PKT_INFO *pPktInfo)<br />
This routine returns the transmitted packet in<strong>for</strong>mation to the<br />
caller. It uses the 'first' index to support Tx desc return in case a<br />
transmit of a packet spanned over multiple buffer still in process.<br />
In case the Tx queue was in "resource error" condition, where there<br />
are no available Tx resources, the function resets the resource error<br />
flag.<br />
INPUT<br />
ETH_PORT_INFO<br />
*pEthPortCtrl<br />
ETH_QUEUE<br />
txQueue<br />
PKT_INFO<br />
*pPktInfo<br />
Ethernet Port Control struct.<br />
Number of Tx queue.<br />
User packet buffer.<br />
OUTPUT Tx ring 'first' and 'used' indexes are updated.<br />
5 - 40 VxWorks 5.5/Tornado <strong>2.2</strong> <strong>BSP</strong> <strong>Rel</strong>. <strong>1.0</strong> <strong>for</strong> <strong>PPMC</strong>-<strong>275</strong>
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