[PATCH net-next 6/8] net: ena: fix theoretical Rx stuck on low memory systems

2017-06-08 Thread netanel
From: Netanel Belgazal For the rare case where the device runs out of free rx buffer descriptors (in case of pressure on kernel memory), and the napi handler continuously fail to refill new Rx descriptors until device rx queue totally runs out of all free rx buffers to post incoming packet, lead

[PATCH net-next 6/8] net: ena: fix theoretical Rx stuck on low memory systems

2017-06-08 Thread netanel
From: Netanel Belgazal For the rare case where the device runs out of free rx buffer descriptors (in case of pressure on kernel memory), and the napi handler continuously fail to refill new Rx descriptors until device rx queue totally runs out of all free rx buffers to post incoming packet, lead