Changes between Version 13 and Version 14 of 802.11/PacketFlow
- Timestamp:
- Oct 14, 2014, 4:02:26 PM (10 years ago)
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802.11/PacketFlow
v13 v14 124 124 * {{{IPC_MBOX_TX_MPDU_DONE(pkt_buf_index)}}}: indication from CPU Low that transmission of the packet in {{{pkt_buf_index}}} is complete. 125 125 126 It is critical that CPU High not modify the contents of any packet buffer for which it has sent {{{IPC_MBOX_TX_MPDU_READY}}} until it receives the corresponding {{{IPC_MBOX_TX_MPDU_DONE}}} message. Likewise CPU Low must only modify packet buffers for which it as received {{{IPC_MBOX_TX_MPDU_READY}}} , andbefore it sends {{{IPC_MBOX_TX_MPDU_DONE}}}.126 It is critical that CPU High not modify the contents of any packet buffer for which it has sent {{{IPC_MBOX_TX_MPDU_READY}}} until it receives the corresponding {{{IPC_MBOX_TX_MPDU_DONE}}} message. Likewise CPU Low must only modify packet buffers for which it as received {{{IPC_MBOX_TX_MPDU_READY}}} and only before it sends {{{IPC_MBOX_TX_MPDU_DONE}}}. 127 127 128 128 [[Image(wiki:802.11/files:wlan_tx_ping_pong_msgs.png)]]