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-rw-r--r--sys/netipx/README19
1 files changed, 19 insertions, 0 deletions
diff --git a/sys/netipx/README b/sys/netipx/README
index 4ef3eb268225..a067daf877d9 100644
--- a/sys/netipx/README
+++ b/sys/netipx/README
@@ -28,3 +28,22 @@ Modifications Copyright (c) 1995, John Hay
Modifications Copyright (c) 2004-2006 Robert N. M. Watson
*/
+
+--- TODO ---
+
+(1) netipx default socket buffer sizes are very small by contemporary
+ standards, and should be increased following testing and measurement.
+
+(2) SPX will free the PCB and socket buffer memory on close(), which means
+ close() in effects terminates the transfer of any outstanding buffered
+ but unsent data. As with TCP, it should instead grab its own
+ reference to the socket so that it is not released, as hold onto it
+ until the data transfer is complete.
+
+(3) Raw socket capture of IPX output intercepts packets in the SPX output
+ routine in order to feed them back into the raw socket. This results
+ in recursion into the socket code in the transmit path; instead,
+ captured packets should be fed into a netisr that reinjects them into
+ raw sockets from a new (asynchronous) context.
+
+(4) IPX over IP encapsulation needs work to make it properly MPSAFE.