bonding: add QinQ packet xmit hash support

  For QinQ packet with ether type 0x88a8, dpdk bond's xmit hash policy is
not worked to get the ip or port field.

Signed-off-by: Lilijun <jerry.lilijun@huawei.com>
---
 drivers/net/bonding/rte_eth_bond_pmd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
  

I think this change already went in dpdk-next-net:

commit 61e99d7e944885e8d625ded41b5877653e0b637e
Author: Yunjian Wang <wangyunjian@huawei.com>
Date:   Tue Aug 7 16:10:46 2018 +0800

    net/bonding: add support to match on 0x88A8 ethertype

    We assume VLAN ethtertype is 0x8100 in get_vlan_offset() function,
    but it could be 0x88A8 if QinQ is supported.

    Fixes: 06fe78b98ccd ("bond: add mode 6")
    Cc: stable@dpdk.org

    Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
    Acked-by: Chas Williams <chas3@att.com>
On Fri, Sep 14, 2018 at 9:52 PM Lilijun <jerry.lilijun@huawei.com> wrote:
>
> For QinQ packet with ether type 0x88a8, dpdk bond's xmit hash policy is
> not worked to get the ip or port field.
>
> Signed-off-by: Lilijun <jerry.lilijun@huawei.com>
> ---
>  drivers/net/bonding/rte_eth_bond_pmd.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
> index 58f7377..4417422 100644
> --- a/drivers/net/bonding/rte_eth_bond_pmd.c
> +++ b/drivers/net/bonding/rte_eth_bond_pmd.c
> @@ -37,7 +37,8 @@
>  {
>         size_t vlan_offset = 0;
>
> -       if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
> +       if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto ||
> +               rte_cpu_to_be_16(ETHER_TYPE_QINQ) == *proto) {
>                 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
>
>                 vlan_offset = sizeof(struct vlan_hdr);
> --
> 1.8.4.msysgit.0
>
>
  

> -----Original Message-----
> From: chasmosaurus@gmail.com [mailto:chasmosaurus@gmail.com] On
> Behalf Of Chas Williams
> Sent: Monday, September 17, 2018 12:02 AM
> To: Lilijun (Jerry, Cloud Networking) <jerry.lilijun@huawei.com>
> Cc: dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] bonding: add QinQ packet xmit hash
> support
> 
> I think this change already went in dpdk-next-net:
> 
> commit 61e99d7e944885e8d625ded41b5877653e0b637e
> Author: Yunjian Wang <wangyunjian@huawei.com>
> Date:   Tue Aug 7 16:10:46 2018 +0800
> 
>     net/bonding: add support to match on 0x88A8 ethertype
> 
>     We assume VLAN ethtertype is 0x8100 in get_vlan_offset() function,
>     but it could be 0x88A8 if QinQ is supported.
> 

OK, thanks.  I will update it.

>     Fixes: 06fe78b98ccd ("bond: add mode 6")
>     Cc: stable@dpdk.org
> 
>     Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
>     Acked-by: Chas Williams <chas3@att.com> On Fri, Sep 14, 2018 at 9:52 PM
> Lilijun <jerry.lilijun@huawei.com> wrote:
> >
> > For QinQ packet with ether type 0x88a8, dpdk bond's xmit hash policy
> > is not worked to get the ip or port field.
> >
> > Signed-off-by: Lilijun <jerry.lilijun@huawei.com>
> > ---
> >  drivers/net/bonding/rte_eth_bond_pmd.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c
> > b/drivers/net/bonding/rte_eth_bond_pmd.c
> > index 58f7377..4417422 100644
> > --- a/drivers/net/bonding/rte_eth_bond_pmd.c
> > +++ b/drivers/net/bonding/rte_eth_bond_pmd.c
> > @@ -37,7 +37,8 @@
> >  {
> >         size_t vlan_offset = 0;
> >
> > -       if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
> > +       if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto ||
> > +               rte_cpu_to_be_16(ETHER_TYPE_QINQ) == *proto) {
> >                 struct vlan_hdr *vlan_hdr = (struct vlan_hdr
> > *)(eth_hdr + 1);
> >
> >                 vlan_offset = sizeof(struct vlan_hdr);
> > --
> > 1.8.4.msysgit.0
> >
> >