Squashed 'tmk_core/' changes from 7967731..b9e0ea0

b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk'
7fa9d8b Squashed 'tool/mbed/mbed-sdk/' content from commit 7c21ce5

git-subtree-dir: tmk_core
git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552

1 files changed, 35 insertions, 0 deletions

diff --git a/tool/mbed/mbed-sdk/libraries/doc/net/doc.txt b/tool/mbed/mbed-sdk/libraries/doc/net/doc.txt
new file mode 100644
index 0000000000..270c64c06e
--- /dev/null
+++ b/tool/mbed/mbed-sdk/libraries/doc/net/doc.txt
@@ -0,0 +1,35 @@
+lwip/api/tcpip.c: tcpip_init -> tcpip_thread
+
+lwip/core/netif.c: netif_add
+lwip/arch/lpc17_emac.c: lpc_enetif_init -> packet_rx, packet_tx
+
+=== tcpip_thread ===
+    while (true):
+        sys_timeouts_mbox_fetch(&mbox, (void **)&msg)
+        ...
+
+Feeding the tcpip_thread mbox:
+    tcpip_input
+    tcpip_callback_with_block
+    tcpip_timeout
+    tcpip_untimeout
+    tcpip_apimsg
+    tcpip_netifapi
+
+
+=== packet_rx ===
+    while (true):
+        sys_arch_sem_wait(&lpc_enetif->RxSem, osWaitForever)
+        ...
+
+Feeding the RX semaphore:
+    ENET_IRQHandler
+
+
+=== packet_tx ===
+    while (true):
+        sys_arch_sem_wait(&lpc_enetif->TxCleanSem, osWaitForever)
+        ...
+
+Feeding the TX semaphore:
+    ENET_IRQHandler