diff options
Diffstat (limited to 'nuttx/configs/README.txt')
| -rw-r--r-- | nuttx/configs/README.txt | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/nuttx/configs/README.txt b/nuttx/configs/README.txt index 723656a85..55dc6bdd3 100644 --- a/nuttx/configs/README.txt +++ b/nuttx/configs/README.txt @@ -585,8 +585,20 @@ defconfig -- This is a configuration file similar to the Linux CONFIG_ENC28J60_STATS - Collect network statistics CONFIG_ENC28J60_HALFDUPPLEX - Default is full duplex - TCP/IP and UDP support via uIP + Networking support via uIP CONFIG_NET - Enable or disable all network features + CONFIG_NET_NOINTS -- CONFIG_NET_NOINT indicates that uIP not called from + the interrupt level. If CONFIG_NET_NOINTS is defined, critical sections + will be managed with semaphores; Otherwise, it assumed that uIP will be + called from interrupt level handling and critical sections will be + managed by enabling and disabling interrupts. + CONFIG_NET_MULTIBUFFER - Traditionally, uIP has used a single buffer + for all incoming and outgoing traffic. If this configuration is + selected, then the driver can manage multiple I/O buffers and can, + for example, be filling one input buffer while sending another + output buffer. Or, as another example, the driver may support + queuing of concurrent input/ouput and output transfers for better + performance. CONFIG_NET_IPv6 - Build in support for IPv6 CONFIG_NSOCKET_DESCRIPTORS - Maximum number of socket descriptors per task/thread. @@ -632,6 +644,36 @@ defconfig -- This is a configuration file similar to the Linux CONFIG_NET_FWCACHE_SIZE - number of packets to remember when looking for duplicates + SLIP Driver. SLIP supports point-to-point IP communications over a serial + port. The default data link layer for uIP is Ethernet. If CONFIG_NET_SLIP + is defined in the NuttX configuration file, then SLIP will be supported. + The basic differences between the SLIP and Ethernet configurations is that + when SLIP is selected: + + * The link level header (that comes before the IP header) is omitted. + * All MAC address processing is suppressed. + * ARP is disabled. + + If CONFIG_NET_SLIP is not selected, then Ethernet will be used (there is + no need to define anything special in the configuration file to use + Ethernet -- it is the default). + + CONFIG_NET_SLIP -- Enables building of the SLIP driver. SLIP requires + at least one IP protocols selected and the following additional + network settings: CONFIG_NET_NOINTS and CONFIG_NET_MULTIBUFFER. + CONFIG_NET_BUFSIZE *must* be set to 296. Other optional configuration + settings that affect the SLIP driver: CONFIG_NET_STATISTICS. + Default: Ethernet + + If SLIP is selected, then the following SLIP options are available: + + CONFIG_CLIP_NINTERFACES -- Selects the number of physical SLIP + interfaces to support. Default: 1 + CONFIG_SLIP_STACKSIZE -- Select the stack size of the SLIP RX and + TX tasks. Default: 2048 + CONFIG_SLIP_DEFPRIO - The priority of the SLIP RX and TX tasks. + Default: 128 + UIP Network Utilities CONFIG_NET_DHCP_LIGHT - Reduces size of DHCP CONFIG_NET_RESOLV_ENTRIES - Number of resolver entries |