tests/net/socket/tcp/prj.conf

# Setup for self-contained net testing without requiring a SLIP driver
CONFIG_NET_TEST=y

# General config
CONFIG_REQUIRES_FULL_LIBC=y

# Networking config
CONFIG_NETWORKING=y
CONFIG_NET_IPV4=y
CONFIG_NET_IPV6=y
CONFIG_NET_IPV6_ND=n
CONFIG_NET_TCP=y
CONFIG_NET_SOCKETS=y
CONFIG_POSIX_MAX_FDS=10

# Network driver config
CONFIG_NET_DRIVERS=y
CONFIG_NET_LOOPBACK=y
CONFIG_NET_LOOPBACK_MTU=1280
CONFIG_NET_LOOPBACK_SIMULATE_PACKET_DROP=y
CONFIG_TEST_RANDOM_GENERATOR=y

CONFIG_MAIN_STACK_SIZE=2048
CONFIG_TEST_USERSPACE=y

# Allow tapping into the number of transmitted packets
CONFIG_NET_MGMT=y
CONFIG_NET_STATISTICS=y
CONFIG_NET_STATISTICS_IPV4=y
CONFIG_NET_STATISTICS_USER_API=y

CONFIG_NET_PKT_RX_COUNT=16
CONFIG_NET_PKT_TX_COUNT=16
CONFIG_NET_BUF_RX_COUNT=64
CONFIG_NET_BUF_TX_COUNT=64

# Reduce the retry count, so the close always finishes within a second
CONFIG_NET_TCP_RETRY_COUNT=3
CONFIG_NET_TCP_INIT_RETRANSMISSION_TIMEOUT=120
CONFIG_NET_TCP_KEEPALIVE=y

CONFIG_ZTEST=y
CONFIG_ZTEST_STACK_SIZE=2048

CONFIG_NET_CONTEXT_RCVTIMEO=y
CONFIG_NET_CONTEXT_SNDTIMEO=y
CONFIG_NET_CONTEXT_RCVBUF=y
CONFIG_NET_CONTEXT_SNDBUF=y

# If you want to debug the tests, you can get logging using these statements
#CONFIG_LOG=y
#CONFIG_LOG_MODE_DEFERRED=y
#CONFIG_NET_LOG=y
#CONFIG_NET_TCP_LOG_LEVEL_DBG=y

# Because of userspace and recvmsg() we need some extra heap in order to
# copy the iovec in the recvmsg tests.
CONFIG_HEAP_MEM_POOL_SIZE=512

# If using TF-M, disable the BL2 bootloader to save flash-space for the test.
CONFIG_TFM_BL2=n