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esp_netif: Fixed SLIP input to support size longer than 256

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Implement batch processing of incoming slip data.

Merges https://github.com/espressif/esp-idf/pull/5928
This commit is contained in:
Rob Connolly 2020-09-30 11:23:30 +13:00 committed by David Cermak
parent f806261964
commit a92ae03b1e
1 changed files with 7 additions and 1 deletions
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8
components/esp_netif/lwip/esp_netif_lwip_slip.c
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@ -166,7 +166,13 @@ void esp_netif_lwip_slip_input(void *h, void *buffer, unsigned int len, void *eb
ESP_LOG_BUFFER_HEXDUMP(TAG, buffer, len, ESP_LOG_DEBUG);
// Update slip netif with data
slipif_received_bytes(netif->lwip_netif, buffer, len);
const int max_batch = 255;
int sent = 0;
while(sent < len) {
int batch = (len - sent) > max_batch ? max_batch : (len - sent);
slipif_received_bytes(netif->lwip_netif, buffer+sent, batch);
sent += batch;
}
// Process incoming bytes
for (int i = 0; i < len; i++) {