Fast HDLC driver
roland at topspin.com
Thu Nov 21 04:41:59 EST 2002
>>>>> "Ricardo" == Ricardo Scop <scop at digitel.com.br> writes:
Roland> I don't have a specific answer about HDLC, but I think
Roland> calling netif_rx() from interrupt context is correct.
Roland> netif_rx() doesn't do anything except queue the packet for
Roland> processing and then mark the network softirq. In fact if
Roland> you want to call netif_rx() from non-interrupt context
Roland> then you have to use the netif_rx_ni() function to make
Roland> sure the softirq runs soon enough.
Ricardo> Hmm, is this true? QSLinux driver calls netif_rx() from
Ricardo> thew interrupts bottom half; it it ok?
This should probably be OK. First, a bottom half is still interrupt
context. Second, if I recall correctly, Linux 2.2 does not even
define netif_rx_ni(). If the driver works well there's no reason to
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