> -----Original Message-----
> From: Iremonger, Bernard
> Sent: Thursday, March 9, 2017 7:54 PM
> To: Xing, Beilei <beilei.x...@intel.com>; Wu, Jingjing <jingjing...@intel.com>
> Cc: Zhang, Helin <helin.zh...@intel.com>; dev@dpdk.org
> Subject: RE: [dpdk-dev] [PATCH 3/3] net/i40e: enable cloud filter for MPLS
> 
> Hi Beilei,
>  <snip>
> 
> > > > From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Beilei Xing
> > > > Sent: Friday, March 3, 2017 9:44 AM
> > > > To: Wu, Jingjing <jingjing...@intel.com>
> > > > Cc: Zhang, Helin <helin.zh...@intel.com>; dev@dpdk.org
> > > > Subject: [dpdk-dev] [PATCH 3/3] net/i40e: enable cloud filter for
> > > > MPLS
> > > >
> > > > This patch enables MPLSoUDP and MPLSoGRE cloud filter with replace
> > > > cloud filter.
> > > >
> > > > Signed-off-by: Beilei Xing <beilei.x...@intel.com>
> > > > ---
> > > >  drivers/net/i40e/i40e_ethdev.c |  44 +++++++++++++++--
> > > >  drivers/net/i40e/i40e_ethdev.h |   9 +++-
> > > >  drivers/net/i40e/i40e_flow.c   | 108
> > > > +++++++++++++++++++++++++++++++++++++----
> > > >  3 files changed, 144 insertions(+), 17 deletions(-)
> > > >
> > > > diff --git a/drivers/net/i40e/i40e_ethdev.c
> > > > b/drivers/net/i40e/i40e_ethdev.c index 91bfd73..6044daf 100644
> > > > --- a/drivers/net/i40e/i40e_ethdev.c
> > > > +++ b/drivers/net/i40e/i40e_ethdev.c
> > > > @@ -1286,6 +1286,9 @@ eth_i40e_dev_init(struct rte_eth_dev *dev)
> > > >         if (ret < 0)
> > > >                 goto err_init_fdir_filter_list;
> > > >
> > > > +       i40e_replace_mpls_l1_filter(pf);
> > > > +       i40e_replace_mpls_cloud_filter(pf);
> > > > +
> > > >         return 0;
> > > >
> > > >  err_init_fdir_filter_list:
> > > > @@ -6941,6 +6944,7 @@ i40e_dev_consistent_tunnel_filter_set(struct
> > > > i40e_pf *pf,
> > > >         struct i40e_tunnel_rule *tunnel_rule = &pf->tunnel;
> > > >         struct i40e_tunnel_filter *tunnel, *node;
> > > >         struct i40e_tunnel_filter check_filter; /* Check if filter
> > > > exists */
> > > > +       uint32_t teid_le;
> > > >         bool big_buffer = 0;
> > > >
> > > >         cld_filter = rte_zmalloc("tunnel_filter", @@ -6989,6 +6993,28 @@
> > > > i40e_dev_consistent_tunnel_filter_set(struct i40e_pf *pf,
> > > >         case I40E_TUNNEL_TYPE_IP_IN_GRE:
> > > >                 tun_type = I40E_AQC_ADD_CLOUD_TNL_TYPE_IP;
> > > >                 break;
> > > > +       case I40E_TUNNEL_TYPE_MPLSoUDP:
> > > > +               teid_le = rte_cpu_to_le_32(tunnel_filter->tenant_id);
> > > > +               pfilter-
> > > > >general_fields[I40E_AQC_ADD_CLOUD_FV_FLU_0X11_WORD0] =
> > > > +                       teid_le >> 4;
> > > > +               pfilter-
> > > > >general_fields[I40E_AQC_ADD_CLOUD_FV_FLU_0X11_WORD1] =
> > > > +                       (teid_le & 0xF) << 12;
> > > > +               pfilter-
> > > > >general_fields[I40E_AQC_ADD_CLOUD_FV_FLU_0X11_WORD2] =
> > > > +                       0x40;
> > > > +               big_buffer = 1;
> > > > +               tun_type = I40E_AQC_ADD_CLOUD_TNL_TYPE_MPLSoUDP;
> > > > +               break;
> > > > +       case I40E_TUNNEL_TYPE_MPLSoGRE:
> > > > +               teid_le = rte_cpu_to_le_32(tunnel_filter->tenant_id);
> > > > +               pfilter-
> > > > >general_fields[I40E_AQC_ADD_CLOUD_FV_FLU_0X11_WORD0] =
> > > > +                       teid_le >> 4;
> > > > +               pfilter-
> > > > >general_fields[I40E_AQC_ADD_CLOUD_FV_FLU_0X11_WORD1] =
> > > > +                       (teid_le & 0xF) << 12;
> > > > +               pfilter-
> > > > >general_fields[I40E_AQC_ADD_CLOUD_FV_FLU_0X11_WORD2] =
> > > > +                       0x0;
> > > > +               big_buffer = 1;
> > > > +               tun_type = I40E_AQC_ADD_CLOUD_TNL_TYPE_MPLSoGRE;
> > > > +               break;
> > > >         default:
> > > >                 /* Other tunnel types is not supported. */
> > > >                 PMD_DRV_LOG(ERR, "tunnel type is not supported."); @@ -
> > > > 6996,11 +7022,19 @@ i40e_dev_consistent_tunnel_filter_set(struct
> > > > i40e_pf *pf,
> > > >                 return -EINVAL;
> > > >         }
> > > >
> > > > -       val = i40e_dev_get_filter_type(tunnel_filter->filter_type,
> > > > -                                      &pfilter->element.flags);
> > > > -       if (val < 0) {
> > > > -               rte_free(cld_filter);
> > > > -               return -EINVAL;
> > > > +       if (tunnel_filter->tunnel_type == I40E_TUNNEL_TYPE_MPLSoUDP)
> > > > +               pfilter->element.flags =
> > > > +                       I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoUDP;
> > > > +       else if (tunnel_filter->tunnel_type ==
> > > > I40E_TUNNEL_TYPE_MPLSoGRE)
> > > > +               pfilter->element.flags =
> > > > +                       I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoGRE;
> > > > +       else {
> > > > +               val = 
> > > > i40e_dev_get_filter_type(tunnel_filter->filter_type,
> > > > +                                               
> > > > &pfilter->element.flags);
> > > > +               if (val < 0) {
> > > > +                       rte_free(cld_filter);
> > > > +                       return -EINVAL;
> > > > +               }
> > > >         }
> > > >
> > > >         pfilter->element.flags |= rte_cpu_to_le_16( diff --git
> > > > a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
> > > > index dd9d709..f305baa 100644
> > > > --- a/drivers/net/i40e/i40e_ethdev.h
> > > > +++ b/drivers/net/i40e/i40e_ethdev.h
> > > > @@ -499,8 +499,11 @@ struct i40e_ethertype_rule {
> > > >  /* Tunnel filter number HW supports */  #define
> > > > I40E_MAX_TUNNEL_FILTER_NUM 400
> > > >
> > > > -#define I40E_AQC_ADD_CLOUD_TNL_TYPE_MPLSoUDP 0x11 -#define
> > > > I40E_AQC_ADD_CLOUD_TNL_TYPE_MPLSoGRE 0x12
> > > > +#define I40E_AQC_ADD_CLOUD_TNL_TYPE_MPLSoUDP 8 #define
> > > > +I40E_AQC_ADD_CLOUD_TNL_TYPE_MPLSoGRE 9 #define
> > > > +I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoUDP 0x11 #define
> > > > +I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoGRE 0x12 #define
> > > > +I40E_AQC_ADD_L1_FILTER_TEID_MPLS 0x11
> > > >
> > > >  enum i40e_tunnel_iptype {
> > > >         I40E_TUNNEL_IPTYPE_IPV4,
> > > > @@ -963,6 +966,8 @@ enum i40e_status_code
> > > > i40e_aq_remove_cloud_filters_big_buffer(
> > > >  enum i40e_status_code i40e_aq_replace_cloud_filters(struct
> > > > i40e_hw
> > > *hw,
> > > >                     struct i40e_aqc_replace_cloud_filters_cmd *filters,
> > > >                     struct i40e_aqc_replace_cloud_filters_cmd_buf
> > > > *cmd_buf);
> > > > +int i40e_replace_mpls_l1_filter(struct i40e_pf *pf); int
> > > > +i40e_replace_mpls_cloud_filter(struct i40e_pf *pf);
> > > >
> > > >  #define I40E_DEV_TO_PCI(eth_dev) \
> > > >         RTE_DEV_TO_PCI((eth_dev)->device) diff --git
> > > > a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
> > > > index 9ca3189..6bb2046 100644
> > > > --- a/drivers/net/i40e/i40e_flow.c
> > > > +++ b/drivers/net/i40e/i40e_flow.c
> > > > @@ -1953,16 +1953,10 @@ i40e_flow_destroy_tunnel_filter(struct
> > > > i40e_pf *pf,
> > > >                    filter->input.general_fields,
> > > >                    sizeof(cld_filter.general_fields));
> > > >
> > > > -       if (((filter->input.flags &
> > > > -             (I40E_AQC_ADD_CLOUD_TNL_TYPE_MPLSoUDP <<
> > > > -              I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT)) ==
> > > > -            (I40E_AQC_ADD_CLOUD_TNL_TYPE_MPLSoUDP <<
> > > > -             I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT)) ||
> > > > -           ((filter->input.flags &
> > > > -             (I40E_AQC_ADD_CLOUD_TNL_TYPE_MPLSoGRE <<
> > > > -              I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT)) ==
> > > > -            (I40E_AQC_ADD_CLOUD_TNL_TYPE_MPLSoGRE <<
> > > > -             I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT)))
> > > > +       if ((filter->input.flags &
> > > > I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoUDP) ==
> > > > +           I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoUDP ||
> > > > +           (filter->input.flags &
> > > > I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoGRE) ==
> > > > +           I40E_AQC_ADD_CLOUD_FILTER_TEID_MPLSoGRE)
> > > >                 big_buffer = 1;
> > > >
> > > >         if (big_buffer)
> > > > @@ -2255,3 +2249,97 @@ i40e_status_code
> > > > i40e_aq_replace_cloud_filters(struct i40e_hw *hw,
> > > >
> > > >         return status;
> > > >  }
> > > > +
> > > > +int
> > > > +i40e_replace_mpls_l1_filter(struct i40e_pf *pf) {
> > > > +       struct i40e_aqc_replace_cloud_filters_cmd  filter_replace;
> > > > +       struct i40e_aqc_replace_cloud_filters_cmd_buf  
> > > > filter_replace_buf;
> > > > +       struct i40e_hw *hw = I40E_PF_TO_HW(pf);
> > > > +       int ret;
> > > > +
> > > > +       memset(&filter_replace, 0,
> > > > +              sizeof(struct i40e_aqc_replace_cloud_filters_cmd));
> > > > +       memset(&filter_replace_buf, 0,
> > > > +              sizeof(struct i40e_aqc_replace_cloud_filters_cmd_buf));
> > > > +
> > > > +       /* create L1 filter */
> > > > +       filter_replace.old_filter_type =
> > > > +               I40E_AQC_REPLACE_CLOUD_CMD_INPUT_FV_IMAC;
> > >
> > > I40E_AQC_REPLACE_CLOUD_CMD_INPUT_FV_IMAC = 12 (0x0C) Should
> > the
> > > old_filter_type  macro be I40E_AQC_ADD_CLOUD_FILTER_IIP = 0x0C ?
> >
> > No, I40E_AQC_REPLACE_CLOUD_CMD_INPUT_FV_IMAC is L1 filter, but
> the
> > I40E_AQC_ADD_CLOUD_FILTER_IIP is cloud filter.
> > We should replace L1 filter here.
> 
> The I40E_AQC_REPLACE_CLOUD_CMD_INPUT_FV_IMAC macro  (value 12) is
> an index into the Field Vector, it is not a filter type macro.
> Should a filter type macro be used to set filter_replace.old_filter_type ?

I think we can check with firmware guy for the detail.

Beilei

> 
> Regards,
> 
> Bernard
> 
> <snip>

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