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[SL-UP] Adds dual stack support in Wi-Fi configuration #1211

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Merged
Rohan Sahay (rosahay-silabs) merged 4 commits into from
Sep 25, 2026
Merged

[SL-UP] Adds dual stack support in Wi-Fi configuration #1211

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0546bca
Enhance dual stack support in WiFi configuration
rosahay-silabs Sep 25, 2026
6d6626f
Update src/platform/silabs/wifi/SiWx/WifiInterfaceImpl.cpp
rosahay-silabs Sep 25, 2026
c2d2c04
Update feature bitmaps for improved clarity and functionality.
rosahay-silabs Sep 25, 2026
175335a
Refactor WiFi configuration to correctly update feature bitmaps for d…
rosahay-silabs Sep 25, 2026
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27 changes: 18 additions & 9 deletions src/platform/silabs/wifi/SiWx/SlNetConfig.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -56,21 +56,30 @@ void SLApplyWiFiDeviceConfiguration(sl_wifi_device_configuration_t * configurati
configuration->boot_config.config_feature_bit_map |= SL_SI91X_FEAT_SLEEP_GPIO_SEL_BITMAP;
#endif // SLI_SI91X_MCU_INTERFACE

#ifdef ipv6_FEATURE_REQUIRED
configuration->boot_config.tcp_ip_feature_bit_map |= (SL_SI91X_TCP_IP_FEAT_DHCPV6_CLIENT | SL_SI91X_TCP_IP_FEAT_IPV6);
#endif // ipv6_FEATURE_REQUIRED

#ifdef RSI_PROCESS_MAX_RX_DATA
configuration->boot_config.ext_tcp_ip_feature_bit_map |= SL_SI91X_EXT_TCP_MAX_RECV_LENGTH;
#endif // RSI_PROCESS_MAX_RX_DATA

#if defined(SL_MATTER_ENABLE_DUAL_STACK) && SL_MATTER_ENABLE_DUAL_STACK
configuration->boot_config.ext_tcp_ip_feature_bit_map |= (SL_SI91X_EXT_TCP_IP_DUAL_MODE_ENABLE | SL_SI91X_EXT_TCP_IP_FEAT_SSL_MEMORY_CLOUD);
#endif // defined(SL_MATTER_ENABLE_DUAL_STACK) && SL_MATTER_ENABLE_DUAL_STACK

#if !(defined(SL_MATTER_ENABLE_DUAL_STACK) && SL_MATTER_ENABLE_DUAL_STACK)
// Disable TCP/IP bypass for single stack (LwIP)
configuration->boot_config.tcp_ip_feature_bit_map |= SL_SI91X_TCP_IP_FEAT_BYPASS;
#endif // !(defined(SL_MATTER_ENABLE_DUAL_STACK) && SL_MATTER_ENABLE_DUAL_STACK)
#endif // !(SL_MATTER_ENABLE_DUAL_STACK)

#if defined(SL_MATTER_ENABLE_DUAL_STACK) && SL_MATTER_ENABLE_DUAL_STACK
// Enable dual mode support for dual stack
configuration->boot_config.ext_tcp_ip_feature_bit_map |= SL_SI91X_EXT_TCP_IP_DUAL_MODE_ENABLE;

// Enable DHCPv4 client, DNS client, and ICMP support for dual stack (required for IPv4)
configuration->boot_config.tcp_ip_feature_bit_map |=
(SL_SI91X_TCP_IP_FEAT_DHCPV4_CLIENT | SL_SI91X_TCP_IP_FEAT_DNS_CLIENT | SL_SI91X_TCP_IP_FEAT_ICMP);

// Enable IPv6 and DHCPv6 client support for dual stack
configuration->boot_config.tcp_ip_feature_bit_map |= (SL_SI91X_TCP_IP_FEAT_IPV6 | SL_SI91X_TCP_IP_FEAT_DHCPV6_CLIENT);

// Enable basic SSL and SSL memory cloud support with more RAM for certificate storage
configuration->boot_config.tcp_ip_feature_bit_map |= SL_SI91X_TCP_IP_FEAT_SSL;
configuration->boot_config.ext_tcp_ip_feature_bit_map |= SL_SI91X_EXT_TCP_IP_FEAT_SSL_MEMORY_CLOUD;
#endif // SL_MATTER_ENABLE_DUAL_STACK

#if defined(SL_MATTER_NEUTRAL_LESS_SWITCH_WIFI) && SL_MATTER_NEUTRAL_LESS_SWITCH_WIFI
// Neutral Less Switch doesn't work with 11ax, only 11n is supported
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10 changes: 5 additions & 5 deletions src/platform/silabs/wifi/SiWx/WifiInterfaceImpl.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -414,18 +414,18 @@ sl_status_t SetWifiConfigurations()
},
},
.ip = {
#if defined(SL_MATTER_ENABLE_DUAL_STACK) && SL_MATTER_ENABLE_DUAL_STACK
.mode = SL_IP_MANAGEMENT_DHCP_IPV4_LINK_LOCAL_IPV6,
.type = static_cast<sl_ip_address_type_t>(SL_IPV4 | SL_IPV6),
#else
.mode = SL_IP_MANAGEMENT_DHCP,
.type = SL_IPV6,
#endif // defined(SL_MATTER_ENABLE_DUAL_STACK) && SL_MATTER_ENABLE_DUAL_STACK
.host_name = NULL,
.ip = {{{0}}},
}
};

#if defined(SL_MATTER_ENABLE_DUAL_STACK) && SL_MATTER_ENABLE_DUAL_STACK
profile.ip.mode = SL_IP_MANAGEMENT_DHCP_IPV4_LINK_LOCAL_IPV6;
profile.ip.type = static_cast<sl_ip_address_type_t>(SL_IPV4 | SL_IPV6);
#endif // SL_MATTER_ENABLE_DUAL_STACK

chip::MutableByteSpan output(profile.config.ssid.value, kMaxWiFiSSIDLength);
chip::ByteSpan input(wfx_rsi.credentials.ssid, wfx_rsi.credentials.ssidLen);
TEMPORARY_RETURN_IGNORED chip::CopySpanToMutableSpan(input, output);
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