Re: [dpdk-dev] [PATCH] net/tap: fix support for large Rx queues

2017-05-01 Thread Thomas Monjalon
27/04/2017 15:51, Pascal Mazon: > Rx queues configured with more than 1023 descriptors cause readv() calls to > fail due to more iovec entries than permitted by the kernel. As a result, > no packets can be received. > > Quietly limit internal Rx queue size to the maximum number of iovec entries >

[dpdk-dev] [PATCH] net/tap: fix support for large Rx queues

2017-04-27 Thread Pascal Mazon
Rx queues configured with more than 1023 descriptors cause readv() calls to fail due to more iovec entries than permitted by the kernel. As a result, no packets can be received. Quietly limit internal Rx queue size to the maximum number of iovec entries to fix this issue. Fixes: 0781f5762cfe ("ne