TCP/IP Feature Bitmap#

SL_SI91X_TCP_IP_FEAT_BYPASS#

#define SL_SI91X_TCP_IP_FEAT_BYPASS

BIT(0)

Enables the TCP/IP bypass feature.

When this feature is enabled, the TCP/IP stack processing is bypassed, allowing raw Ethernet frames to be sent and received. This is useful for applications that require direct control over Ethernet frames or for implementing custom network protocols.

This is defined as a bit flag that can be set in the feature configuration to enable the TCP/IP bypass.

SL_SI91X_TCP_IP_FEAT_DHCPV4_CLIENT#

#define SL_SI91X_TCP_IP_FEAT_DHCPV4_CLIENT

BIT(2)

Enables the DHCPv4 client feature.

Note

• Bit 1 is reserved

This feature allows the device to obtain an IPv4 address, subnet mask, default gateway, and DNS server from a DHCP server.

SL_SI91X_TCP_IP_FEAT_DHCPV6_CLIENT#

#define SL_SI91X_TCP_IP_FEAT_DHCPV6_CLIENT

BIT(3)

Enables the DHCPv6 client feature.

This feature allows the device to obtain an IPv6 address and other network configuration details from a DHCPv6 server.

SL_SI91X_TCP_IP_FEAT_DHCPV4_SERVER#

#define SL_SI91X_TCP_IP_FEAT_DHCPV4_SERVER

BIT(4)

Enables the DHCPv4 server feature.

This feature allows the device to act as a DHCPv4 server, which provides IPv4 addresses and network configuration to DHCPv4 clients on the network.

SL_SI91X_TCP_IP_FEAT_DHCPV6_SERVER#

#define SL_SI91X_TCP_IP_FEAT_DHCPV6_SERVER

BIT(5)

Enables the DHCPv6 server feature.

This feature allows the device to act as a DHCPv6 server, which provides IPv6 addresses and network configuration to DHCPv6 clients on the network.

SL_SI91X_TCP_IP_FEAT_JSON_OBJECTS#

#define SL_SI91X_TCP_IP_FEAT_JSON_OBJECTS

BIT(6)

Enables support for JSON objects.

This feature allows the device to handle JSON (JavaScript Object Notation) objects, which can be used for data interchange in web applications.

SL_SI91X_TCP_IP_FEAT_HTTP_CLIENT#

#define SL_SI91X_TCP_IP_FEAT_HTTP_CLIENT

BIT(7)

Enables the HTTP client feature.

This feature allows the device to send HTTP requests and receive HTTP responses from web servers, enabling web-based communication.

SL_SI91X_TCP_IP_FEAT_DNS_CLIENT#

#define SL_SI91X_TCP_IP_FEAT_DNS_CLIENT

BIT(8)

Enables the DNS client feature.

This feature allows the device to resolve domain names to IP addresses using the Domain Name System (DNS), enabling communication with servers by hostname.

SL_SI91X_TCP_IP_FEAT_SNMP_AGENT#

#define SL_SI91X_TCP_IP_FEAT_SNMP_AGENT

BIT(9)

Enables the SNMP agent feature.

This feature allows the device to act as an SNMP (Simple Network Management Protocol) agent, which enables network management and monitoring.

SL_SI91X_TCP_IP_FEAT_SSL#

#define SL_SI91X_TCP_IP_FEAT_SSL

BIT(10)

Enables the SSL feature.

This feature allows the device to use SSL (Secure Sockets Layer) for secure communication over the network, that provides encryption and authentication.

SL_SI91X_TCP_IP_FEAT_ICMP#

#define SL_SI91X_TCP_IP_FEAT_ICMP

BIT(11)

Enables the ICMP feature (ping).

This feature allows the device to use ICMP (Internet Control Message Protocol) for network diagnostics, such as sending ping requests.

SL_SI91X_TCP_IP_FEAT_SEND_CONFIGS_TO_HOST#

#define SL_SI91X_TCP_IP_FEAT_SEND_CONFIGS_TO_HOST

BIT(14)

Enables sending configuration data to the host.

Note

• Bit 12 and 13 are reserved.

This feature allows the device to send web page configuration data to the host system from the wireless configuration page.

SL_SI91X_TCP_IP_FEAT_FTP_CLIENT#

#define SL_SI91X_TCP_IP_FEAT_FTP_CLIENT

BIT(15)

Enables the FTP client feature.

This feature allows the device to act as an FTP (File Transfer Protocol) client, enabling file transfers to and from FTP servers.

SL_SI91X_TCP_IP_FEAT_SNTP_CLIENT#

#define SL_SI91X_TCP_IP_FEAT_SNTP_CLIENT

BIT(16)

Enables the SNTP client feature.

This feature allows the device to synchronize its clock with an SNTP (Simple Network Time Protocol) server, which ensures accurate timekeeping.

SL_SI91X_TCP_IP_FEAT_IPV6#

#define SL_SI91X_TCP_IP_FEAT_IPV6

BIT(17)

Enables IPv6 support.

This feature allows the device to use IPv6 (Internet Protocol version 6), that provides a larger address space and improved routing capabilities.

Note

• IPv6 would also be enabled if the DHCPv6 client or DHCPv6 server feature is enabled, regardless of the tcp_ip_feature_bit_map[17] setting.

SL_SI91X_TCP_IP_FEAT_RAW_DATA#

#define SL_SI91X_TCP_IP_FEAT_RAW_DATA

BIT(18)

Enables raw data support.

This feature allows the device to handle raw data frames, which bypass the TCP/IP stack. It is supported only in AP mode and requires the TCP_BYPASS feature to be disabled. If any packet from the host with frame type 0x1 is received by the firmware, the packet would be sent on air without TCP/IP stack processing. ARP and broadcast packets (other than DHCP packets) received on air would be sent to the host.

SL_SI91X_TCP_IP_FEAT_MDNSD#

#define SL_SI91X_TCP_IP_FEAT_MDNSD

BIT(19)

Enables the MDNSD feature.

This feature allows the device to use Multicast DNS (mDNS) for local network service discovery, enabling devices to find each other without a central DNS server.

Note

• This feature is not supported in AP mode.

SL_SI91X_TCP_IP_FEAT_SMTP_CLIENT#

#define SL_SI91X_TCP_IP_FEAT_SMTP_CLIENT

BIT(20)

Enables the SMTP client feature.

This feature allows the device to act as an SMTP (Simple Mail Transfer Protocol) client, that enables it to send emails.

SL_SI91X_TCP_IP_TOTAL_SOCKETS#

#define SL_SI91X_TCP_IP_TOTAL_SOCKETS

(total_sockets)

Selects the number of sockets.

This macro allows the configuration of the total number of sockets available. A maximum of 10 sockets are allowed. Bits 21-24 are used to set the TOTAL_SOCKETS.

SL_SI91X_TCP_IP_FEAT_SINGLE_SSL_SOCKET#

#define SL_SI91X_TCP_IP_FEAT_SINGLE_SSL_SOCKET

BIT(25)

Enables a single SSL socket.

This feature allows the device to use a single SSL socket for secure communication.

SL_SI91X_TCP_IP_FEAT_LOAD_PUBLIC_PRIVATE_CERTS#

#define SL_SI91X_TCP_IP_FEAT_LOAD_PUBLIC_PRIVATE_CERTS

BIT(26)

Enables loading of public and private keys for TLS/SSL handshake.

This feature allows the device to load public and private keys for use in TLS/SSL handshakes.

Note

• If a secure handshake is to be done using only a CA-certificate, then loading of private and public keys can be disabled, and these certificates can be erased from the flash using the load_cert API. If secure handshake verification of private and public keys is needed, then loading of these keys must be enabled.

SL_SI91X_TCP_IP_FEAT_LOAD_CERTS_INTO_RAM#

#define SL_SI91X_TCP_IP_FEAT_LOAD_CERTS_INTO_RAM

BIT(27)

Enables loading of SSL certificates into RAM.

This feature allows the device to load SSL certificates into RAM for faster access during secure communications.

SL_SI91X_TCP_IP_FEAT_POP3_CLIENT#

#define SL_SI91X_TCP_IP_FEAT_POP3_CLIENT

BIT(29)

Enables the POP3 client feature.

Note

• Bit 28 is reserved

This feature allows the device to act as a POP3 (Post Office Protocol version 3) client, enabling it to retrieve emails from a POP3 server.

SL_SI91X_TCP_IP_FEAT_OTAF#

#define SL_SI91X_TCP_IP_FEAT_OTAF

BIT(30)

Enables the OTAF client feature.

This feature allows the device to perform Over-The-Air Firmware (OTAF) updates, enables it to download and install firmware updates remotely.

SL_SI91X_TCP_IP_FEAT_EXTENSION_VALID#

#define SL_SI91X_TCP_IP_FEAT_EXTENSION_VALID

BIT(31)

Enables TCP/IP extension support.

This feature allows the device to use extended TCP/IP features, If this bit is enabled only then, the features present in the ext_tcp ip feature bitmap can be used.