Add support for TCP/IP connection backlog

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1294 42af7a65-404d-4744-a932-0658087f49c3

6 files changed, 22 insertions, 1 deletions

diff --git a/nuttx/configs/ntosd-dm320/nettest/defconfig b/nuttx/configs/ntosd-dm320/nettest/defconfig
index f25b9ac8b..eea5c03c6 100644
--- a/nuttx/configs/ntosd-dm320/nettest/defconfig
+++ b/nuttx/configs/ntosd-dm320/nettest/defconfig
@@ -277,6 +277,8 @@ CONFIG_PREALLOC_TIMERS=8
 # CONFIG_NET_TCP_CONNS - Maximum number of TCP connections (all tasks)
 # CONFIG_NET_TCP_READAHEAD_BUFSIZE - Size of TCP read-ahead buffers
 # CONFIG_NET_NTCP_READAHEAD_BUFFERS - Number of TCP read-ahead buffers (may be zero)
+# CONFIG_NET_TCPBACKLOG - Incoming connections pend in a backlog until
+#   accept() is called. The size of the backlog is selected when listen() is called.
 # CONFIG_NET_MAX_LISTENPORTS - Maximum number of listening TCP ports (all tasks)
 # CONFIG_NET_UDP - UDP support on or off
 # CONFIG_NET_UDP_CHECKSUMS - UDP checksums on or off
@@ -297,6 +299,8 @@ CONFIG_NET_SOCKOPTS=y
 CONFIG_NET_BUFSIZE=420
 CONFIG_NET_TCP=y
 CONFIG_NET_TCP_CONNS=8
+CONFIG_NET_NTCP_READAHEAD_BUFFERS=16
+CONFIG_NET_TCPBACKLOG=n
 CONFIG_NET_MAX_LISTENPORTS=8
 CONFIG_NET_UDP=n
 CONFIG_NET_UDP_CHECKSUMS=y
diff --git a/nuttx/configs/ntosd-dm320/nsh/defconfig b/nuttx/configs/ntosd-dm320/nsh/defconfig
index e1b318dd4..1134b7204 100644
--- a/nuttx/configs/ntosd-dm320/nsh/defconfig
+++ b/nuttx/configs/ntosd-dm320/nsh/defconfig
@@ -285,6 +285,8 @@ CONFIG_FS_ROMFS=y
 # CONFIG_NET_TCP_CONNS - Maximum number of TCP connections (all tasks)
 # CONFIG_NET_TCP_READAHEAD_BUFSIZE - Size of TCP read-ahead buffers
 # CONFIG_NET_NTCP_READAHEAD_BUFFERS - Number of TCP read-ahead buffers (may be zero)
+# CONFIG_NET_TCPBACKLOG - Incoming connections pend in a backlog until
+#   accept() is called. The size of the backlog is selected when listen() is called.
 # CONFIG_NET_MAX_LISTENPORTS - Maximum number of listening TCP ports (all tasks)
 # CONFIG_NET_UDP - UDP support on or off
 # CONFIG_NET_UDP_CHECKSUMS - UDP checksums on or off
@@ -305,6 +307,8 @@ CONFIG_NET_SOCKOPTS=y
 CONFIG_NET_BUFSIZE=562
 CONFIG_NET_TCP=y
 CONFIG_NET_TCP_CONNS=8
+CONFIG_NET_NTCP_READAHEAD_BUFFERS=16
+CONFIG_NET_TCPBACKLOG=n
 CONFIG_NET_MAX_LISTENPORTS=8
 CONFIG_NET_UDP=y
 CONFIG_NET_UDP_CHECKSUMS=y
diff --git a/nuttx/configs/ntosd-dm320/ostest/defconfig b/nuttx/configs/ntosd-dm320/ostest/defconfig
index c4f70d85f..96dfa7127 100644
--- a/nuttx/configs/ntosd-dm320/ostest/defconfig
+++ b/nuttx/configs/ntosd-dm320/ostest/defconfig
@@ -277,6 +277,8 @@ CONFIG_PREALLOC_TIMERS=8
 # CONFIG_NET_TCP_CONNS - Maximum number of TCP connections (all tasks)
 # CONFIG_NET_TCP_READAHEAD_BUFSIZE - Size of TCP read-ahead buffers
 # CONFIG_NET_NTCP_READAHEAD_BUFFERS - Number of TCP read-ahead buffers (may be zero)
+# CONFIG_NET_TCPBACKLOG - Incoming connections pend in a backlog until
+#   accept() is called. The size of the backlog is selected when listen() is called.
 # CONFIG_NET_MAX_LISTENPORTS - Maximum number of listening TCP ports (all tasks)
 # CONFIG_NET_UDP - UDP support on or off
 # CONFIG_NET_UDP_CHECKSUMS - UDP checksums on or off
diff --git a/nuttx/configs/ntosd-dm320/poll/defconfig b/nuttx/configs/ntosd-dm320/poll/defconfig
index c7dd78daf..f88a6b951 100644
--- a/nuttx/configs/ntosd-dm320/poll/defconfig
+++ b/nuttx/configs/ntosd-dm320/poll/defconfig
@@ -277,6 +277,8 @@ CONFIG_PREALLOC_TIMERS=8
 # CONFIG_NET_TCP_CONNS - Maximum number of TCP connections (all tasks)
 # CONFIG_NET_TCP_READAHEAD_BUFSIZE - Size of TCP read-ahead buffers
 # CONFIG_NET_NTCP_READAHEAD_BUFFERS - Number of TCP read-ahead buffers (may be zero)
+# CONFIG_NET_TCPBACKLOG - Incoming connections pend in a backlog until
+#   accept() is called. The size of the backlog is selected when listen() is called.
 # CONFIG_NET_MAX_LISTENPORTS - Maximum number of listening TCP ports (all tasks)
 # CONFIG_NET_UDP - UDP support on or off
 # CONFIG_NET_UDP_CHECKSUMS - UDP checksums on or off
@@ -297,7 +299,8 @@ CONFIG_NET_SOCKOPTS=y
 CONFIG_NET_BUFSIZE=420
 CONFIG_NET_TCP=y
 CONFIG_NET_TCP_CONNS=8
-CONFIG_NET_TCP_READAHEAD_BUFSIZE=16
+CONFIG_NET_NTCP_READAHEAD_BUFFERS=16
+CONFIG_NET_TCPBACKLOG=y
 CONFIG_NET_MAX_LISTENPORTS=8
 CONFIG_NET_UDP=n
 CONFIG_NET_UDP_CHECKSUMS=y
diff --git a/nuttx/configs/ntosd-dm320/udp/defconfig b/nuttx/configs/ntosd-dm320/udp/defconfig
index f2562d2ee..8237ac4b3 100644
--- a/nuttx/configs/ntosd-dm320/udp/defconfig
+++ b/nuttx/configs/ntosd-dm320/udp/defconfig
@@ -277,6 +277,8 @@ CONFIG_PREALLOC_TIMERS=8
 # CONFIG_NET_TCP_CONNS - Maximum number of TCP connections (all tasks)
 # CONFIG_NET_TCP_READAHEAD_BUFSIZE - Size of TCP read-ahead buffers
 # CONFIG_NET_NTCP_READAHEAD_BUFFERS - Number of TCP read-ahead buffers (may be zero)
+# CONFIG_NET_TCPBACKLOG - Incoming connections pend in a backlog until
+#   accept() is called. The size of the backlog is selected when listen() is called.
 # CONFIG_NET_MAX_LISTENPORTS - Maximum number of listening TCP ports (all tasks)
 # CONFIG_NET_UDP - UDP support on or off
 # CONFIG_NET_UDP_CHECKSUMS - UDP checksums on or off
@@ -297,6 +299,8 @@ CONFIG_NET_SOCKOPTS=y
 CONFIG_NET_BUFSIZE=420
 CONFIG_NET_TCP=n
 CONFIG_NET_TCP_CONNS=0
+CONFIG_NET_NTCP_READAHEAD_BUFFERS=16
+CONFIG_NET_TCPBACKLOG=n
 CONFIG_NET_MAX_LISTENPORTS=0
 CONFIG_NET_UDP=y
 CONFIG_NET_UDP_CHECKSUMS=y
diff --git a/nuttx/configs/ntosd-dm320/uip/defconfig b/nuttx/configs/ntosd-dm320/uip/defconfig
index 3219b4e86..190d5f185 100644
--- a/nuttx/configs/ntosd-dm320/uip/defconfig
+++ b/nuttx/configs/ntosd-dm320/uip/defconfig
@@ -277,6 +277,8 @@ CONFIG_PREALLOC_TIMERS=8
 # CONFIG_NET_TCP_CONNS - Maximum number of TCP connections (all tasks)
 # CONFIG_NET_TCP_READAHEAD_BUFSIZE - Size of TCP read-ahead buffers
 # CONFIG_NET_NTCP_READAHEAD_BUFFERS - Number of TCP read-ahead buffers (may be zero)
+# CONFIG_NET_TCPBACKLOG - Incoming connections pend in a backlog until
+#   accept() is called. The size of the backlog is selected when listen() is called.
 # CONFIG_NET_MAX_LISTENPORTS - Maximum number of listening TCP ports (all tasks)
 # CONFIG_NET_UDP - UDP support on or off
 # CONFIG_NET_UDP_CHECKSUMS - UDP checksums on or off
@@ -297,6 +299,8 @@ CONFIG_NET_SOCKOPTS=y
 CONFIG_NET_BUFSIZE=420
 CONFIG_NET_TCP=y
 CONFIG_NET_TCP_CONNS=8
+CONFIG_NET_NTCP_READAHEAD_BUFFERS=16
+CONFIG_NET_TCPBACKLOG=n
 CONFIG_NET_MAX_LISTENPORTS=8
 CONFIG_NET_UDP=n
 CONFIG_NET_UDP_CHECKSUMS=y