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Gregory Nutt 2016-12-03 12:21:18 -06:00
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NuttX TODO List (Last updated December 2, 2016)
NuttX TODO List (Last updated December 3, 2016)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
This file summarizes known NuttX bugs, limitations, inconsistencies with
@ -1043,40 +1043,18 @@ o Network (net/, drivers/net)
Priority: Medium. Important on slow applications that will not accept
connections promptly.
Title: INTERRUPT LEVEL PROCESSING IN ETHERNET DRIVERS
Description: Too many Ethernet drivers do interrupt-level processing with
the network stack. The network stack supports either interrupt
level processing or normal task level processing (depending on
CONFIG_NET_NOINTS). This is really a very bad use of CPU
resources; All of the network stack processing should be
modified to use a work queue (and, all use of CONFIG_NET_NOINTS=n
should be eliminated). This applies to many Ethernet drivers:
Title: IPv6 REQUIRES ADDRESS FILTER SUPPORT
Description: IPv6 requires that the Ethernet driver support NuttX address
filter interfaces. Several Ethernet drivers do support there,
however. Others support the address filtering interfaces but
have never been verifed:
ARCHITECTURE CONFIG_NET_NOINTS? ADDRESS FILTER SUPPORT?
C5471 NO NO
STM32 YES YES
STM32F7 YES YES
TIVA ----------------------- ------
LM3S YES NO
TM4C YES YES
eZ80 YES NO
Kinetis YES YES (not tested)
LPC17xx YES YES (not tested)
LPC43xx YES YES (not tested)
DMxxx NIC YES NO
PIC32 YES NO
SAM3/4 YES YES
SAMA5D ----------------------- ------
EMACA YES YES (not tested)
EMACB YES YES
GMAC YES YES (not tested)
SAMV7 YES YES
SIM N/A (No interrupts) NO
C5471, LM3X, ez80, DM0x90 NIC, PIC: Do not support address
filteringing.
Kinetis, LPC17xx, LPC43xx: Untested address filter support
The general outline of how this might be done is included in
drivers/net/skeleton.c
Status: Open
Priority: Pretty high if you want a well behaved system.
Priority: Pretty high if you want a to use IPv6 on these platforms.
Title: UDP MULTICAST RECEPTION
Description: The logic in udp_input() expects either a single receive socket or