[dpdk-dev] [PATCH RFC 1/2] net/i40e: allow bulk alloc for the max size desc ring

2016-11-29 Thread Ilya Maximets
On 29.11.2016 15:50, Ananyev, Konstantin wrote: > Hi Ilya, > >> Ping. >> >> Best regards, Ilya Maximets. >> >> On 19.10.2016 17:07, Ilya Maximets wrote: >>> The only reason why bulk alloc disabled for the rings with >>> more than (I40E_MAX_RING_DESC - RTE_PMD_I40E_RX_MAX_BURST) >>> descriptors is

[dpdk-dev] [PATCH RFC 1/2] net/i40e: allow bulk alloc for the max size desc ring

2016-11-29 Thread Ilya Maximets
Ping. Best regards, Ilya Maximets. On 19.10.2016 17:07, Ilya Maximets wrote: > The only reason why bulk alloc disabled for the rings with > more than (I40E_MAX_RING_DESC - RTE_PMD_I40E_RX_MAX_BURST) > descriptors is the possible out-of-bound access to the dma > memory. But it's the artificial lim

[dpdk-dev] [PATCH RFC 1/2] net/i40e: allow bulk alloc for the max size desc ring

2016-11-29 Thread Ananyev, Konstantin
Hi Ilya, > Ping. > > Best regards, Ilya Maximets. > > On 19.10.2016 17:07, Ilya Maximets wrote: > > The only reason why bulk alloc disabled for the rings with > > more than (I40E_MAX_RING_DESC - RTE_PMD_I40E_RX_MAX_BURST) > > descriptors is the possible out-of-bound access to the dma > > memory.

[dpdk-dev] [PATCH RFC 1/2] net/i40e: allow bulk alloc for the max size desc ring

2016-10-19 Thread Ilya Maximets
The only reason why bulk alloc disabled for the rings with more than (I40E_MAX_RING_DESC - RTE_PMD_I40E_RX_MAX_BURST) descriptors is the possible out-of-bound access to the dma memory. But it's the artificial limit and can be easily avoided by allocating of RTE_PMD_I40E_RX_MAX_BURST more descriptor