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feat(netif): Allow setting interface's routing priority (#11617)

* feat(netif): Allow setting interface's routing priority * feat(netif): Rename route priority method names and add notes * feat(netif): Print route prio for each interface

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lines changed

libraries/Network/src
- NetworkInterface.cpp
- NetworkInterface.h

2 files changed

+30

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lines changed

`‎libraries/Network/src/NetworkInterface.cpp`

Lines changed: 26 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -606,13 +606,33 @@ int NetworkInterface::impl_index() const {`
`606`	`606`	`return esp_netif_get_netif_impl_index(_esp_netif);`
`607`	`607`	`}`
`608`	`608`
`609`		`-int NetworkInterface::route_prio() const {`
	`609`	`+/**`
	`610`	`+ * Every netif has a parameter named route_prio, you can refer to file esp_netif_defaults.h.`
	`611`	`+ * A higher value of route_prio indicates a higher priority.`
	`612`	`+ * The active interface with highest priority will be used for default route (gateway).`
	`613`	`+ * Defaults are: STA=100, BR=70, ETH=50, PPP=20, AP/NAN=10`
	`614`	`+ */`
	`615`	`+int NetworkInterface::getRoutePrio() const {`
`610`	`616`	`if (_esp_netif == NULL) {`
`611`	`617`	`return -1;`
`612`	`618`	`}`
`613`	`619`	`return esp_netif_get_route_prio(_esp_netif);`
`614`	`620`	`}`
`615`	`621`
	`622`	`+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 5, 0)`
	`623`	`+int NetworkInterface::setRoutePrio(int prio) {`
	`624`	`+ if (_esp_netif == NULL) {`
	`625`	`+ return -1;`
	`626`	`+ }`
	`627`	`+ return esp_netif_set_route_prio(_esp_netif, prio);`
	`628`	`+}`
	`629`	`+#endif`
	`630`	`+`
	`631`	`+/**`
	`632`	`+ * This API overrides the automatic configuration of the default interface based on the route_prio`
	`633`	`+ * If the selected netif is set default using this API, no other interface could be set-default disregarding`
	`634`	`+ * its route_prio number (unless the selected netif gets destroyed)`
	`635`	`+ */`
`616`	`636`	`bool NetworkInterface::setDefault() {`
`617`	`637`	`if (_esp_netif == NULL) {`
`618`	`638`	`return false;`
`@@ -819,7 +839,11 @@ size_t NetworkInterface::printTo(Print &out) const {`
`819`	`839`	`if (flags & ESP_NETIF_FLAG_MLDV6_REPORT) {`
`820`	`840`	`bytes += out.print(",V6_REP");`
`821`	`841`	`}`
`822`		`- bytes += out.println(")");`
	`842`	`+ bytes += out.print(")");`
	`843`	`+`
	`844`	`+ bytes += out.print(" PRIO: ");`
	`845`	`+ bytes += out.print(getRoutePrio());`
	`846`	`+ bytes += out.println("");`
`823`	`847`
`824`	`848`	`bytes += out.print(" ");`
`825`	`849`	`bytes += out.print("ether ");`

`‎libraries/Network/src/NetworkInterface.h`

Lines changed: 4 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -57,7 +57,10 @@ class NetworkInterface : public Printable {`
`57`	`57`	`const char *desc() const;`
`58`	`58`	`String impl_name() const;`
`59`	`59`	`int impl_index() const;`
`60`		`- int route_prio() const;`
	`60`	`+ int getRoutePrio() const;`
	`61`	`+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 5, 0)`
	`62`	`+ int setRoutePrio(int prio);`
	`63`	`+#endif`
`61`	`64`	`bool setDefault();`
`62`	`65`	`bool isDefault() const;`
`63`	`66`

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`‎libraries/Network/src/NetworkInterface.cpp`

`‎libraries/Network/src/NetworkInterface.h`

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