wendy jiang wrote:
Hi I just wrote a dummy network driver for my PCI network card. I can see it is
attached to the card, but soon detach function is called to remove the driver.
However I did not see any other gld_mac_info functions(gldm_reset, gldm_start
etc) got called before OS started to detach the driver.
There's a magic setting you can use to stop this called "ddi-no-autodetach".
The IPFilter code uses it like this:
#ifdef DDI_NO_AUTODETACH
if (ddi_prop_update_int(DDI_DEV_T_NONE, dip,
DDI_NO_AUTODETACH, 1) != DDI_PROP_SUCCESS) {
cmn_err(CE_WARN, "!updating DDI_NO_AUTODETACH failed");
return DDI_FAILURE;
}
#else
if (ddi_prop_update_int(DDI_DEV_T_NONE, dip,
"ddi-no-autodetach", 1) !=
DDI_PROP_SUCCESS) {
cmn_err(CE_WARN, "!updating ddi-no-autodetach failed");
return DDI_FAILURE;
}
#endif
For more information, see:
http://docs.sun.com/app/docs/doc/816-5181/6mbbfuibd?a=view
Darren
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