• David Howells's avatar
    rxrpc: Make Tx loss-injection go through normal return and adjust tracing · a1767077
    David Howells authored
    In rxrpc_send_data_packet() make the loss-injection path return through the
    same code as the transmission path so that the RTT determination is
    initiated and any future timer shuffling will be done, despite the packet
    having been binned.
    
    Whilst we're at it:
    
     (1) Add to the tx_data tracepoint an indication of whether or not we're
         retransmitting a data packet.
    
     (2) When we're deciding whether or not to request an ACK, rather than
         checking if we're in fast-retransmit mode check instead if we're
         retransmitting.
    
     (3) Don't invoke the lose_skb tracepoint when losing a Tx packet as we're
         not altering the sk_buff refcount nor are we just seeing it after
         getting it off the Tx list.
    
     (4) The rxrpc_skb_tx_lost note is then no longer used so remove it.
    
     (5) rxrpc_lose_skb() no longer needs to deal with rxrpc_skb_tx_lost.
    Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
    a1767077
skbuff.c 2.66 KB