add feature ETHARP SUPPORT VLAN
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@ -16,6 +16,16 @@ menu "LWIP"
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Please make sure you fully understand the impact of this feature before
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enabling it.
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config ETHARP_SUPPORT_VLAN
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bool "Support receiving and sending ethernet packets with VLAN header"
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default n
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help
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ETHARP_SUPPORT_VLAN==1: support receiving and sending ethernet packets with
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VLAN header. See the description of LWIP_HOOK_VLAN_CHECK and LWIP_HOOK_VLAN_SET
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hooks to check/set VLAN headers.
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If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted.
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If ETHARP_VLAN_CHECK is not defined, all traffic is accepted.
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config LWIP_IRAM_OPTIMIZATION
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bool "Enable LWIP IRAM optimization"
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default n
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@ -738,6 +738,17 @@
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*/
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#define ETHARP_TRUST_IP_MAC CONFIG_LWIP_ETHARP_TRUST_IP_MAC
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/**
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* ETHARP_SUPPORT_VLAN==1: support receiving and sending ethernet packets with
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* VLAN header. See the description of LWIP_HOOK_VLAN_CHECK and
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* LWIP_HOOK_VLAN_SET hooks to check/set VLAN headers.
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* Additionally, you can define ETHARP_VLAN_CHECK to an u16_t VLAN ID to check.
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* If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted.
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* If ETHARP_VLAN_CHECK is not defined, all traffic is accepted.
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* Alternatively, define a function/define ETHARP_VLAN_CHECK_FN(eth_hdr, vlan)
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* that returns 1 to accept a packet or 0 to drop a packet.
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*/
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#define ETHARP_SUPPORT_VLAN CONFIG_ETHARP_SUPPORT_VLAN
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/**
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* POSIX I/O functions are mapped to LWIP via the VFS layer
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