On Wed, 2015-08-19 at 23:41 +0530, tej parkash wrote: > All, > > We are running application on Linux Kernel 3.10 to collect network > interface information using NETLINK_ROUTE protocol. earlier (kernel > 2.6.32) we were having 8K buffer allocated to collect all data but > with new kernel (3.10) we are seeing read socket error, as buffer size > is not sufficient for all network dump data. > > We want to understand that if the userspace buffer limit increased to > 16K or we need some other mechanism to collect the data in 8K chuck. > or Is there any other way application can use NETLINK_ROUTE protocol, > so that it will not break the application if data size gets increased > in future. > > I did some some browsing and found some link but they were not very > conclusive. > http://www.spinics.net/lists/netdev/msg162185.html > > Appreciate for any kind of help or pointers here >
This sounds like a bug that might have been fixed later. User space is not required to switch to 16KB, although it is recommended to reduce number of syscalls. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html