From: Elad Kanfi <elad...@mellanox.com> Date: Mon, 9 May 2016 20:13:18 +0300
> Summary: > 1. Bug description: TX done interrupts that arrives while interrupts > are masked, during NAPI poll, will not trigger an interrupt handling. > Since TX interrupt is of level edge we will lose the TX done interrupt. > As a result all pending tx frames will get no service. > > Solution: Check if there is a pending tx request after unmasking the > interrupt and if answer is yes then re-add ourselves to > the NAPI poll list. > > 2. Bug description: CPU-A before sending a frame will set a variable > to true. CPU-B that executes the tx done interrupt service routine > might read a non valid value of that variable. > > Solution: Use the socket buffer pointer instead of the variable, > and add a write memory barrier at the tx sending function after > the pointer is set. Series applied, thanks.
