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_ERROR In case the routine can not access Rx desc ring.<br />
ETH_QUEUE_FULL If Rx ring resources are exhausted.<br />
ETH_END_OF_JOB if there is no received data.<br />
ETH_OK Otherwise.<br />
ETH_FUNC_RET_STATUS ethRxReturnBuff(ETH_PORT_INFO *pEthPortCtrl, ETH_QUEUE<br />
rxQueue, PKT_INFO *pPktInfo)<br />
This routine returns a Rx buffer back to the Rx ring. It retrieves the<br />
next 'used' descriptor and attached the returned buffer to it. In case<br />
the Rx ring was in "resource error" condition, where there are no<br />
available Rx resources, the function resets the resource error flag.<br />
INPUT<br />
ETH_PORT_INFO<br />
*pEthPortCtrl<br />
ETH_QUEUE<br />
rxQueue<br />
PKT_INFO<br />
*pPktInfo<br />
Ethernet Port Control struct.<br />
Number of Rx queue.<br />
In<strong>for</strong>mation on the returned buffer.<br />
OUTPUT New available Rx resource in Rx descriptor ring.<br />
RETURN<br />
ETH_ERROR In case the routine can not access Rx desc ring.<br />
ETH_OK Otherwise.<br />
5 - 42 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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