> By default nic_uio takes all the NICs for itself... Yes. I think nic_uio_probe should check hw.nic_uio.bdfs.
2014-03-26 15:49 GMT+09:00 Fred Pedrisa <fredhps10 at hotmail.com>: > Hello, > > > > By default nic_uio takes all the NICs for itself... > > > > So in theory, you needed an option to reserve some NIC ports to your > system, without DPDK taking it for itself... > > > > *De:* Masaru Oki [mailto:m-oki at stratosphere.co.jp] > *Enviada em:* quarta-feira, 26 de mar?o de 2014 03:43 > > *Para:* Fred Pedrisa > *Cc:* dev at dpdk.org > *Assunto:* Re: [dpdk-dev] hw.nic_uio.bdfs > > > > avoid??? want you hw.nic_uio.avoid_bdfs? > > > nic_uio behavior I guessed > 1. detach kernel driver specified by hw.nic_uio.bdfs > > 2. attach nic_uio driver for all NICs not attached. > > but 2. is not correct, I think. > > > > > > 2014-03-26 15:20 GMT+09:00 Fred Pedrisa <fredhps10 at hotmail.com>: > > Hello, > > > > You did not understand the purpose of that parameter, it is made to > 'avoid' nic_uio from pursuing the wanted NICs... so they are free to be > used in the system :) > > > > Right now the code to handle it is wrong and I am trying to fix it myself. > > > > *De:* Masaru Oki [mailto:m-oki at stratosphere.co.jp] > *Enviada em:* quarta-feira, 26 de mar?o de 2014 03:16 > *Para:* Fred Pedrisa > *Cc:* dev at dpdk.org > *Assunto:* Re: [dpdk-dev] hw.nic_uio.bdfs > > > > Hi, > > I tried with Intel version 1.6.0 and FreeBSD 9.2-RELEASE on VMware Player. > > kldload nic_uio by hand, works fine. > But kldunload nic_uio only detach uio driver, don't re-attach kernel > driver. > > [oki@ ~]$ cat /boot/loader.conf > ############################################################## > ### User settings ########################################## > ############################################################## > hw.contigmem.num_buffers=64 > hw.contigmem.buffer_size=2097152 > hw.nic_uio.bdfs="2:5:0,2:6:0" > contigmem_load="YES" > #nic_uio_load="YES" > [oki@ ~]$ pciconf -l | egrep '(em|uio)' > em0 at pci0:2:1:0: class=0x020000 card=0x075015ad chip=0x100f8086 rev=0x01 > hdr=0x00 > em1 at pci0:2:5:0: class=0x020000 card=0x075015ad chip=0x100f8086 rev=0x01 > hdr=0x00 > em2 at pci0:2:6:0: class=0x020000 card=0x075015ad chip=0x100f8086 rev=0x01 > hdr=0x00 > [oki@ ~]$ kenv hw.nic_uio.bdfs > 2:5:0,2:6:0 > [oki@ ~]$ sudo kldload nic_uio > Password: > [oki@ ~]$ pciconf -l | egrep '(em|uio)' > em0 at pci0:2:1:0: class=0x020000 card=0x075015ad chip=0x100f8086 rev=0x01 > hdr=0x00 > nic_uio0 at pci0:2:5:0: class=0x020000 card=0x075015ad chip=0x100f8086 > rev=0x01 hdr=0x00 > nic_uio1 at pci0:2:6:0: class=0x020000 card=0x075015ad chip=0x100f8086 > rev=0x01 hdr=0x00 > [oki@ ~]$ sudo kldunload nic_uio > [oki@ ~]$ pciconf -l | egrep '(em|uio)' > em0 at pci0:2:1:0: class=0x020000 card=0x075015ad chip=0x100f8086 rev=0x01 > hdr=0x00 > [oki@ ~]$ > > > > 2014-03-26 14:35 GMT+09:00 Fred Pedrisa <fredhps10 at hotmail.com>: > > Hi, guys. > > > > > > This variable is not working as intended for FreeBSD :( > > > > It does not dettach nic_uio from the wanted ports :/ > > > > >
