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RDKBACCL-1485: Verify configurable wan interface in BPI R4 #67

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RDKBACCL-1485: Verify configurable wan interface in BPI R4 #67

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5b70d95
Implement WAN interface handling for multiple platforms
anatar818 Jul 7, 2026
c1acef5
Potential fix for pull request finding
anatar818 Jul 17, 2026
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66 changes: 65 additions & 1 deletion source/TR-181/board_sbapi/cosa_ethernet_apis.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3461,7 +3461,71 @@ CosaDmlEthInit(
}
}
#else
#if defined(_PLATFORM_RASPBERRYPI_) || defined(_PLATFORM_TURRIS_) || defined(_PLATFORM_BANANAPI_R4_) || defined(_COSA_QCA_ARM_)
#if (defined(_PLATFORM_RASPBERRYPI_) || defined(_PLATFORM_TURRIS_) || defined(_PLATFORM_BANANAPI_R4_)) && !defined(FEATURE_RDKB_VLAN_MANAGER)

char wanPhyName[20] = {0},out_value[20] = {0},fileValue[20] = {0};
FILE *fp = NULL;
macaddr_t macAddr;
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char wan_mac[18];
if (!syscfg_get(NULL, "wan_physical_ifname", out_value, sizeof(out_value)))
{
Comment on lines +3470 to +3471
fp = fopen("/nvram/wan_name.txt", "r");
if (fp == NULL)
{
fp = fopen("/nvram/wan_name.txt", "w");
if (fp == NULL)
strcpy(wanPhyName, "erouter0");
else
{
fprintf(fp, "%s", out_value);
strncpy(wanPhyName, out_value, sizeof(wanPhyName) - 1);
fclose(fp);
}
}
else if (fgets(fileValue, sizeof(fileValue), fp) == NULL)
{
fclose(fp);
fp = fopen("/nvram/wan_name.txt", "w");
if (fp != NULL)
{
fprintf(fp, "%s", out_value);
strncpy(wanPhyName, out_value, sizeof(wanPhyName) - 1);
fclose(fp);
}
else
strcpy(wanPhyName, "erouter0");
}
else
{
fclose(fp);
fileValue[strcspn(fileValue, "\r\n")] = '\0';
if (strcmp(fileValue, out_value) != 0)
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{
if ( syscfg_set_commit( NULL, "wan_physical_ifname", fileValue ) != 0 )
strcpy(wanPhyName, "erouter0");
else
strncpy(wanPhyName,fileValue, sizeof(wanPhyName) - 1);
}
else
strncpy(wanPhyName, out_value, sizeof(wanPhyName) - 1);
}
Comment on lines +3499 to +3511
}
else
strcpy(wanPhyName, "erouter0");
memset(&macAddr,0,sizeof(macaddr_t));
getInterfaceMacAddress(&macAddr,wanPhyName);
memset(wan_mac,0,sizeof(wan_mac));
snprintf(wan_mac, sizeof(wan_mac), "%02x:%02x:%02x:%02x:%02x:%02x", macAddr.hw[0], macAddr.hw[1], macAddr.hw[2],
macAddr.hw[3], macAddr.hw[4], macAddr.hw[5]);
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v_secure_system("syscfg get wan_physical_ifname > /tmp/wan_name.txt");
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v_secure_system("ip link add name %s type bridge",wanPhyName);
v_secure_system("ip link set dev %s address %s", wanPhyName, wan_mac);
v_secure_system("ip link set dev %s master %s",ETHWAN_DEF_INTF_NAME,wanPhyName);
v_secure_system("ip link set %s up",ETHWAN_DEF_INTF_NAME);
v_secure_system("ip link set %s up",wanPhyName);

#elif defined(_COSA_QCA_ARM_)

char wanPhyName[20] = {0},out_value[20] = {0};

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