URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [bootloaders/] [orpmon/] [drivers/] [eth.c] - Diff between revs 405 and 406

Rev 405	Rev 406
Line 385...	Line 385...

`bd[tx_last].addr = (unsigned long)buf;`	`bd[tx_last].addr = (unsigned long)buf;`

`retry_eth_send:`	`retry_eth_send:`
`bd[tx_last].len_status &= 0x0000ffff & ~ETH_TX_BD_STATS;`	`bd[tx_last].len_status &= 0x0000ffff & ~ETH_TX_BD_STATS;`

`if (eth_monitor_enabled) // enable IRQ when sending`	`if (eth_monitor_enabled) // enable IRQ when sending`
`bd[tx_last].len_status \|= ETH_TX_BD_IRQ;`	`bd[tx_last].len_status \|= ETH_TX_BD_IRQ;`

`bd[tx_last].len_status \|= len << 16 \| ETH_TX_BD_READY;`	`bd[tx_last].len_status \|= len << 16 \| ETH_TX_BD_READY;`

	`if (!eth_monitor_enabled) // If we're not running the network sniffer...`
	`{`
	`while (bd[tx_last].len_status & ETH_TX_BD_READY);`

	`//printf("packet tx\n");`
	`// Check it was sent OK`
`/*`	`/*`
`while (bd[tx_last].len_status & ETH_TX_BD_READY);`	`BUG with current implementation - constantly getting carrier sense`
`printf("packet tx\n");`	`lost, and deferred indication, so ignore it for now.`
`// Check it was sent OK`	`if ( bd[tx_last].len_status & 0xf)`
`if ( bd[tx_last].len_status & 0x2)`
`{`	`{`
`printf("eth_send: carrier sense lost (txbd: 0x%x), deferred, retrying\n",`	`printf("eth_send: carrier sense lost (txbd: 0x%x), deferred, retrying\n",`
`bd[tx_last].len_status);`	`bd[tx_last].len_status);`
`sleep(1000);`	`sleep(1);`
`goto retry_eth_send;`	`goto retry_eth_send;`
`}`	`}`
`*/`	`*/`
	`}`

`tx_last++;`	`tx_last++;`

`if (tx_last == ETH_TXBD_NUM)`	`if (tx_last == ETH_TXBD_NUM)`
`tx_last = 0;`	`tx_last = 0;`