Date: Thu, 18 Oct 2007 23:39:56 -0700 From: Alfred Perlstein <alfred@freebsd.org> To: Jonathan Noack <noackjr@alumni.rice.edu> Cc: net@freebsd.org Subject: Re: accept filters and zero copy sockets Message-ID: <20071019063956.GG31826@elvis.mu.org> In-Reply-To: <15756.67.45.62.107.1192764733.squirrel@www.noacks.org> References: <15756.67.45.62.107.1192764733.squirrel@www.noacks.org>
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* Jonathan Noack <noackjr@alumni.rice.edu> [071018 20:59] wrote: > I'm in the process of upgrading my web/database/nfs/jack-of-all-trades box > from 6.2 to RELENG_7. I figured now would be a good time to clean up my > kernel config files. I have the following in my old kernel config: > > # Statically Link in accept filters > options ACCEPT_FILTER_DATA > options ACCEPT_FILTER_HTTP > > # Zero copy sockets support. This enables "zero copy" for sending and > # receiving data via a socket. The send side works for any type of NIC, > # the receive side only works for NICs that support MTUs greater than the > # page size of your architecture and that support header splitting. See > # zero_copy(9) for more details. > options ZERO_COPY_SOCKETS > > Are these options still working/recommended? With all the changes to > networking over the years (this box was originally set up during the 4.x > days and has been upgraded many times) I have no idea if these are still > good things to have. Accept filters should certainly work, otherwise someone will get some noogies... -Alfred
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