Re: [dpdk-dev] [PATCH v1] net/mlx5: fix flow type for allmulti rules

[Shahaf Shuler <shahafs@mellanox.com>]

Tuesday, December 5, 2017 11:57 AM, Nelio Laranjeiro:
> On Tue, Dec 05, 2017 at 11:37:50AM +0200, Raslan Darawsheh wrote:
> > Chnaged ibv_flow_attr type for allmulti rule to
> > IBV_FLOW_ATTR_MC_DEFAULT instead of IBV_FLOW_ATTR_NORMAL, in
> case allmulti was enabled.
> >
> > Fixes: 272733b5 ("net/mlx5: use flow to enable unicast traffic")
> >
> > Signed-off-by: Raslan Darawsheh <rasland@mellanox.com>
> > ---
> >  drivers/net/mlx5/mlx5_flow.c | 13 +++++++++++++
> >  1 file changed, 13 insertions(+)
> >
> > diff --git a/drivers/net/mlx5/mlx5_flow.c
> > b/drivers/net/mlx5/mlx5_flow.c index 1eda836..eaa53e2 100644
> > --- a/drivers/net/mlx5/mlx5_flow.c
> > +++ b/drivers/net/mlx5/mlx5_flow.c
> > @@ -429,6 +429,7 @@ static const struct mlx5_flow_items
> > mlx5_flow_items[] = {
> >  /** Structure to pass to the conversion function. */  struct
> > mlx5_flow_parse {
> >  	uint32_t inner; /**< Set once VXLAN is encountered. */
> > +	uint8_t allmulti:1; /** Set once allmulti dst MAC is encountered. */

Changed comment to /**< Set once allmulti dst MAC is encountered. */ to fit doxygen style. 

> >  	uint32_t create:1;
> >  	/**< Whether resources should remain after a validate. */
> >  	uint32_t drop:1; /**< Target is a drop queue. */ @@ -1165,6
> +1166,17
> > @@ priv_flow_convert(struct priv *priv,
> >  			}
> >  		}
> >  	}
> > +	if (parser->allmulti &&
> > +	    parser->layer == HASH_RXQ_ETH) {
> > +		for (i = 0; i != hash_rxq_init_n; ++i) {
> > +			if (!parser->queue[i].ibv_attr)
> > +				continue;
> > +			if (parser->queue[i].ibv_attr->num_of_specs != 1)
> > +				break;
> > +			parser->queue[i].ibv_attr->type =
> > +
> 	IBV_FLOW_ATTR_MC_DEFAULT;
> > +		}
> > +	}
> >  	return ret;
> >  exit_enomem:
> >  	for (i = 0; i != hash_rxq_init_n; ++i) { @@ -1262,6 +1274,7 @@
> > mlx5_flow_create_eth(const struct rte_flow_item *item,
> >  		eth.val.ether_type &= eth.mask.ether_type;
> >  	}
> >  	mlx5_flow_create_copy(parser, &eth, eth_size);
> > +	parser->allmulti = eth.val.dst_mac[0] & 1;
> >  	return 0;
> >  }
> >
> > --
> > 2.7.4
> 
> It also concerns DPDK 17.11, adding stable@dpdk.org
> 
> Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>

Applied to next-net-mlx with the Cc:stable@dpdk.org addition, thanks. 

> 
> --
> Nélio Laranjeiro
> 6WIND