Hello,
Does RTNet provide function calls to achieve scatter/gather for the e1000
NIC? I'm building up raw ethernet frames, using the POSIX interface (my
socket is opened using socket(PF_PACKET, SOCK_RAW, ...) ). I want to
maintain an array of pointers to Ethernet header buffers then pass one of
the pointers, along with a pointer to a payload to the network stack for
transmit consumption.
In my network configuration this approach seems like I could potentially
save myself a few CPU cycles by not having to fill the Ethernet header each
time I want to transmit (so long as I know where it needs to go). Is
scatter-gather doable with RTNet?
-Rob
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