Tuesday, May 5, 2020 1:01 PM
To: Renata Saiakhova
Cc: dev@dpdk.org ; ferruh.yi...@intel.com
; arybche...@solarflare.com
Subject: Re: [dpdk-dev] [PATCH 0/2] Memory corruption due to HW rings allocation
03/05/2020 18:26, Renata Saiakhova:
> igb and ixgbe drivers allocate HW rings using rte_eth
05/05/2020 13:19, Renata Saiakhova:
> Hi Thomas,
>
> In our application dpdk port can be connected and disconnected:
>
> Connect:
> new_port_id = netdev_dpdk_get_port_by_devargs(dpdk_port->pci_addr_str);
>
>if (!rte_eth_dev_is_valid_port(new_port_id)) {
> /* Device not found in DPDK, a
03/05/2020 18:26, Renata Saiakhova:
> igb and ixgbe drivers allocate HW rings using rte_eth_dma_zone_reserve(),
> which checks first if the memzone exists for a given name, consisting of port
> id, queue_id, rx/tx direction, but not for the size, alignment, and socket_id.
> If the memzone with a gi
igb and ixgbe drivers allocate HW rings using rte_eth_dma_zone_reserve(),
which checks first if the memzone exists for a given name, consisting of port
id, queue_id, rx/tx direction, but not for the size, alignment, and socket_id.
If the memzone with a given name exists it is returned, otherwise it
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