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-rw-r--r--nuttx/configs/README.txt3
-rw-r--r--nuttx/configs/c5471evm/defconfig3
-rw-r--r--nuttx/configs/c5471evm/dhcpconfig3
-rw-r--r--nuttx/configs/c5471evm/netconfig3
-rw-r--r--nuttx/configs/c5471evm/nshconfig3
-rw-r--r--nuttx/configs/ez80f910200kitg/ostest/defconfig2
-rw-r--r--nuttx/configs/m68332evb/defconfig2
-rw-r--r--nuttx/configs/mcu123-lpc214x/nsh/defconfig2
-rw-r--r--nuttx/configs/mcu123-lpc214x/ostest/defconfig2
-rw-r--r--nuttx/configs/mcu123-lpc214x/usbserial/defconfig2
-rw-r--r--nuttx/configs/mcu123-lpc214x/usbstorage/defconfig2
-rw-r--r--nuttx/configs/ntosd-dm320/nettest/defconfig4
-rw-r--r--nuttx/configs/ntosd-dm320/nsh/defconfig4
-rw-r--r--nuttx/configs/ntosd-dm320/ostest/defconfig2
-rw-r--r--nuttx/configs/ntosd-dm320/poll/defconfig5
-rw-r--r--nuttx/configs/ntosd-dm320/udp/defconfig4
-rw-r--r--nuttx/configs/ntosd-dm320/uip/defconfig4
-rw-r--r--nuttx/configs/olimex-strp711/ostest/defconfig2
-rw-r--r--nuttx/configs/pjrc-8051/defconfig2
-rw-r--r--nuttx/configs/sim/mount/defconfig2
-rw-r--r--nuttx/configs/sim/nettest/defconfig2
-rw-r--r--nuttx/configs/sim/nsh/defconfig2
-rw-r--r--nuttx/configs/sim/ostest/defconfig2
-rw-r--r--nuttx/configs/sim/pashello/defconfig2
-rw-r--r--nuttx/configs/us7032evb1/nsh/defconfig2
-rw-r--r--nuttx/configs/us7032evb1/ostest/defconfig2
-rw-r--r--nuttx/configs/xtrs/nsh/defconfig2
-rw-r--r--nuttx/configs/xtrs/ostest/defconfig2
-rw-r--r--nuttx/configs/xtrs/pashello/defconfig2
-rw-r--r--nuttx/configs/z16f2800100zcog/ostest/defconfig2
-rw-r--r--nuttx/configs/z16f2800100zcog/pashello/defconfig2
-rw-r--r--nuttx/configs/z80sim/nsh/defconfig2
-rw-r--r--nuttx/configs/z80sim/ostest/defconfig2
-rw-r--r--nuttx/configs/z80sim/pashello/defconfig2
-rw-r--r--nuttx/configs/z8encore000zco/ostest/defconfig2
-rw-r--r--nuttx/configs/z8f64200100kit/ostest/defconfig2
36 files changed, 87 insertions, 1 deletions
diff --git a/nuttx/configs/README.txt b/nuttx/configs/README.txt
index 750d945a9..176cbbe6f 100644
--- a/nuttx/configs/README.txt
+++ b/nuttx/configs/README.txt
@@ -287,6 +287,9 @@ defconfig -- This is a configuration file similar to the Linux
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_UDP - UDP support on or off
CONFIG_NET_UDP_CHECKSUMS - UDP checksums on or off
CONFIG_NET_UDP_CONNS - The maximum amount of concurrent UDP
diff --git a/nuttx/configs/c5471evm/defconfig b/nuttx/configs/c5471evm/defconfig
index 5b5c70ed3..e388541aa 100644
--- a/nuttx/configs/c5471evm/defconfig
+++ b/nuttx/configs/c5471evm/defconfig
@@ -279,6 +279,8 @@ 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
@@ -300,6 +302,7 @@ CONFIG_NET_BUFSIZE=420
CONFIG_NET_TCP=n
CONFIG_NET_TCP_CONNS=40
CONFIG_NET_NTCP_READAHEAD_BUFFERS=8
+CONFIG_NET_TCPBACKLOG=n
CONFIG_NET_MAX_LISTENPORTS=40
CONFIG_NET_UDP=n
CONFIG_NET_UDP_CHECKSUMS=y
diff --git a/nuttx/configs/c5471evm/dhcpconfig b/nuttx/configs/c5471evm/dhcpconfig
index 7a44e126c..8359dd6c9 100644
--- a/nuttx/configs/c5471evm/dhcpconfig
+++ b/nuttx/configs/c5471evm/dhcpconfig
@@ -279,6 +279,8 @@ 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
@@ -300,6 +302,7 @@ CONFIG_NET_BUFSIZE=420
CONFIG_NET_TCP=n
CONFIG_NET_TCP_CONNS=0
CONFIG_NET_NTCP_READAHEAD_BUFFERS=0
+CONFIG_NET_TCPBACKLOG=n
CONFIG_NET_MAX_LISTENPORTS=0
CONFIG_NET_UDP=y
CONFIG_NET_UDP_CHECKSUMS=y
diff --git a/nuttx/configs/c5471evm/netconfig b/nuttx/configs/c5471evm/netconfig
index 135f87ec9..61c3176f7 100644
--- a/nuttx/configs/c5471evm/netconfig
+++ b/nuttx/configs/c5471evm/netconfig
@@ -279,6 +279,8 @@ 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
@@ -300,6 +302,7 @@ CONFIG_NET_BUFSIZE=420
CONFIG_NET_TCP=y
CONFIG_NET_TCP_CONNS=8
CONFIG_NET_NTCP_READAHEAD_BUFFERS=32
+CONFIG_NET_TCPBACKLOG=n
CONFIG_NET_MAX_LISTENPORTS=8
CONFIG_NET_UDP=n
CONFIG_NET_UDP_CHECKSUMS=y
diff --git a/nuttx/configs/c5471evm/nshconfig b/nuttx/configs/c5471evm/nshconfig
index 39a3b1121..c6566fe0f 100644
--- a/nuttx/configs/c5471evm/nshconfig
+++ b/nuttx/configs/c5471evm/nshconfig
@@ -279,6 +279,8 @@ 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
@@ -300,6 +302,7 @@ CONFIG_NET_BUFSIZE=420
CONFIG_NET_TCP=y
CONFIG_NET_TCP_CONNS=8
CONFIG_NET_NTCP_READAHEAD_BUFFERS=32
+CONFIG_NET_TCPBACKLOG=n
CONFIG_NET_MAX_LISTENPORTS=8
CONFIG_NET_UDP=n
CONFIG_NET_UDP_CHECKSUMS=y
diff --git a/nuttx/configs/ez80f910200kitg/ostest/defconfig b/nuttx/configs/ez80f910200kitg/ostest/defconfig
index 117495ba3..12b9efb78 100644
--- a/nuttx/configs/ez80f910200kitg/ostest/defconfig
+++ b/nuttx/configs/ez80f910200kitg/ostest/defconfig
@@ -279,6 +279,8 @@ CONFIG_PREALLOC_TIMERS=0
# 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/m68332evb/defconfig b/nuttx/configs/m68332evb/defconfig
index 12af3888a..2e668f2bb 100644
--- a/nuttx/configs/m68332evb/defconfig
+++ b/nuttx/configs/m68332evb/defconfig
@@ -263,6 +263,8 @@ 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/mcu123-lpc214x/nsh/defconfig b/nuttx/configs/mcu123-lpc214x/nsh/defconfig
index 9f6d9edd7..f7ea9ae7b 100644
--- a/nuttx/configs/mcu123-lpc214x/nsh/defconfig
+++ b/nuttx/configs/mcu123-lpc214x/nsh/defconfig
@@ -316,6 +316,8 @@ CONFIG_MMCSD_READONLY=n
# 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/mcu123-lpc214x/ostest/defconfig b/nuttx/configs/mcu123-lpc214x/ostest/defconfig
index be623258c..83824dd65 100644
--- a/nuttx/configs/mcu123-lpc214x/ostest/defconfig
+++ b/nuttx/configs/mcu123-lpc214x/ostest/defconfig
@@ -311,6 +311,8 @@ CONFIG_MMCSD_READONLY=n
# 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/mcu123-lpc214x/usbserial/defconfig b/nuttx/configs/mcu123-lpc214x/usbserial/defconfig
index 63cabf7c4..cd318b422 100644
--- a/nuttx/configs/mcu123-lpc214x/usbserial/defconfig
+++ b/nuttx/configs/mcu123-lpc214x/usbserial/defconfig
@@ -312,6 +312,8 @@ CONFIG_MMCSD_READONLY=n
# 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/mcu123-lpc214x/usbstorage/defconfig b/nuttx/configs/mcu123-lpc214x/usbstorage/defconfig
index aeaa2e914..294e3fc8f 100644
--- a/nuttx/configs/mcu123-lpc214x/usbstorage/defconfig
+++ b/nuttx/configs/mcu123-lpc214x/usbstorage/defconfig
@@ -312,6 +312,8 @@ CONFIG_MMCSD_READONLY=n
# 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/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
diff --git a/nuttx/configs/olimex-strp711/ostest/defconfig b/nuttx/configs/olimex-strp711/ostest/defconfig
index 1632dbb08..17f0d90a4 100644
--- a/nuttx/configs/olimex-strp711/ostest/defconfig
+++ b/nuttx/configs/olimex-strp711/ostest/defconfig
@@ -378,6 +378,8 @@ CONFIG_MMCSD_READONLY=n
# 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/pjrc-8051/defconfig b/nuttx/configs/pjrc-8051/defconfig
index 934e255a8..68cf619c0 100644
--- a/nuttx/configs/pjrc-8051/defconfig
+++ b/nuttx/configs/pjrc-8051/defconfig
@@ -260,6 +260,8 @@ CONFIG_PREALLOC_TIMERS=0
# 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/sim/mount/defconfig b/nuttx/configs/sim/mount/defconfig
index 2c39b55a9..ff24f5bff 100644
--- a/nuttx/configs/sim/mount/defconfig
+++ b/nuttx/configs/sim/mount/defconfig
@@ -235,6 +235,8 @@ CONFIG_FS_ROMFS=n
# 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/sim/nettest/defconfig b/nuttx/configs/sim/nettest/defconfig
index f211b86cc..65a0a5c48 100644
--- a/nuttx/configs/sim/nettest/defconfig
+++ b/nuttx/configs/sim/nettest/defconfig
@@ -235,6 +235,8 @@ CONFIG_FS_ROMFS=n
# 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/sim/nsh/defconfig b/nuttx/configs/sim/nsh/defconfig
index 3ea4b4e44..f5a0531f9 100644
--- a/nuttx/configs/sim/nsh/defconfig
+++ b/nuttx/configs/sim/nsh/defconfig
@@ -235,6 +235,8 @@ 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
diff --git a/nuttx/configs/sim/ostest/defconfig b/nuttx/configs/sim/ostest/defconfig
index 4c1249466..4ea688e85 100644
--- a/nuttx/configs/sim/ostest/defconfig
+++ b/nuttx/configs/sim/ostest/defconfig
@@ -236,6 +236,8 @@ CONFIG_FS_ROMFS=n
# 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/sim/pashello/defconfig b/nuttx/configs/sim/pashello/defconfig
index 164c4ac6b..67dd4688c 100644
--- a/nuttx/configs/sim/pashello/defconfig
+++ b/nuttx/configs/sim/pashello/defconfig
@@ -235,6 +235,8 @@ CONFIG_FS_ROMFS=n
# 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/us7032evb1/nsh/defconfig b/nuttx/configs/us7032evb1/nsh/defconfig
index e4e150b09..b97c94185 100644
--- a/nuttx/configs/us7032evb1/nsh/defconfig
+++ b/nuttx/configs/us7032evb1/nsh/defconfig
@@ -330,6 +330,8 @@ CONFIG_MMCSD_READONLY=n
# 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/us7032evb1/ostest/defconfig b/nuttx/configs/us7032evb1/ostest/defconfig
index e21df0942..ae3160cb6 100644
--- a/nuttx/configs/us7032evb1/ostest/defconfig
+++ b/nuttx/configs/us7032evb1/ostest/defconfig
@@ -330,6 +330,8 @@ CONFIG_MMCSD_READONLY=n
# 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/xtrs/nsh/defconfig b/nuttx/configs/xtrs/nsh/defconfig
index d26ff9d06..0938ef807 100644
--- a/nuttx/configs/xtrs/nsh/defconfig
+++ b/nuttx/configs/xtrs/nsh/defconfig
@@ -256,6 +256,8 @@ CONFIG_PREALLOC_TIMERS=0
# 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/xtrs/ostest/defconfig b/nuttx/configs/xtrs/ostest/defconfig
index b17d18c23..4ede528f3 100644
--- a/nuttx/configs/xtrs/ostest/defconfig
+++ b/nuttx/configs/xtrs/ostest/defconfig
@@ -256,6 +256,8 @@ CONFIG_PREALLOC_TIMERS=0
# 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/xtrs/pashello/defconfig b/nuttx/configs/xtrs/pashello/defconfig
index 7e7e7f986..cca03f9d7 100644
--- a/nuttx/configs/xtrs/pashello/defconfig
+++ b/nuttx/configs/xtrs/pashello/defconfig
@@ -256,6 +256,8 @@ CONFIG_PREALLOC_TIMERS=0
# 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/z16f2800100zcog/ostest/defconfig b/nuttx/configs/z16f2800100zcog/ostest/defconfig
index 6b3959ec4..a7706199a 100644
--- a/nuttx/configs/z16f2800100zcog/ostest/defconfig
+++ b/nuttx/configs/z16f2800100zcog/ostest/defconfig
@@ -282,6 +282,8 @@ CONFIG_PREALLOC_TIMERS=4
# 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/z16f2800100zcog/pashello/defconfig b/nuttx/configs/z16f2800100zcog/pashello/defconfig
index d1ac37bd3..0ea008a40 100644
--- a/nuttx/configs/z16f2800100zcog/pashello/defconfig
+++ b/nuttx/configs/z16f2800100zcog/pashello/defconfig
@@ -282,6 +282,8 @@ CONFIG_PREALLOC_TIMERS=4
# 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/z80sim/nsh/defconfig b/nuttx/configs/z80sim/nsh/defconfig
index 0589cdc06..14fd9c0c2 100644
--- a/nuttx/configs/z80sim/nsh/defconfig
+++ b/nuttx/configs/z80sim/nsh/defconfig
@@ -246,6 +246,8 @@ CONFIG_PREALLOC_TIMERS=0
# 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/z80sim/ostest/defconfig b/nuttx/configs/z80sim/ostest/defconfig
index ecf71cb6d..0dc407750 100644
--- a/nuttx/configs/z80sim/ostest/defconfig
+++ b/nuttx/configs/z80sim/ostest/defconfig
@@ -246,6 +246,8 @@ CONFIG_PREALLOC_TIMERS=0
# 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/z80sim/pashello/defconfig b/nuttx/configs/z80sim/pashello/defconfig
index 4e2e6a6a0..cad124da5 100644
--- a/nuttx/configs/z80sim/pashello/defconfig
+++ b/nuttx/configs/z80sim/pashello/defconfig
@@ -246,6 +246,8 @@ CONFIG_PREALLOC_TIMERS=0
# 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/z8encore000zco/ostest/defconfig b/nuttx/configs/z8encore000zco/ostest/defconfig
index 4f8a8c4e2..776cecd08 100644
--- a/nuttx/configs/z8encore000zco/ostest/defconfig
+++ b/nuttx/configs/z8encore000zco/ostest/defconfig
@@ -280,6 +280,8 @@ CONFIG_PREALLOC_TIMERS=0
# 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/z8f64200100kit/ostest/defconfig b/nuttx/configs/z8f64200100kit/ostest/defconfig
index 444ff59d0..50df6ae07 100644
--- a/nuttx/configs/z8f64200100kit/ostest/defconfig
+++ b/nuttx/configs/z8f64200100kit/ostest/defconfig
@@ -280,6 +280,8 @@ CONFIG_PREALLOC_TIMERS=0
# 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