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Date:   Mon, 13 May 2019 12:54:37 +0000
From:   Jianbo Liu <jianbol@...lanox.com>
To:     Edward Cree <ecree@...arflare.com>
CC:     Jamal Hadi Salim <jhs@...atatu.com>, Jiri Pirko <jiri@...nulli.us>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        David Miller <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Andy Gospodarek <andy@...yhouse.net>,
        Anjali Singhai Jain <anjali.singhai@...el.com>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Or Gerlitz <gerlitz.or@...il.com>
Subject: Re: [RFC PATCH net-next 3/3] flow_offload: support CVLAN match

The 05/03/2019 16:08, Edward Cree wrote:
> Plumb it through from the flow_dissector.
> 
> Signed-off-by: Edward Cree <ecree@...arflare.com>
> ---
>  include/net/flow_offload.h | 2 ++
>  net/core/flow_offload.c    | 7 +++++++
>  2 files changed, 9 insertions(+)
> 
> diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
> index 6f59cdaf6eb6..48847ee7aa3a 100644
> --- a/include/net/flow_offload.h
> +++ b/include/net/flow_offload.h
> @@ -71,6 +71,8 @@ void flow_rule_match_eth_addrs(const struct flow_rule *rule,
>  			       struct flow_match_eth_addrs *out);
>  void flow_rule_match_vlan(const struct flow_rule *rule,
>  			  struct flow_match_vlan *out);
> +void flow_rule_match_cvlan(const struct flow_rule *rule,
> +			   struct flow_match_vlan *out);
>  void flow_rule_match_ipv4_addrs(const struct flow_rule *rule,
>  				struct flow_match_ipv4_addrs *out);
>  void flow_rule_match_ipv6_addrs(const struct flow_rule *rule,
> diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c
> index c3a00eac4804..5ce7d47a960e 100644
> --- a/net/core/flow_offload.c
> +++ b/net/core/flow_offload.c
> @@ -54,6 +54,13 @@ void flow_rule_match_vlan(const struct flow_rule *rule,
>  }
>  EXPORT_SYMBOL(flow_rule_match_vlan);
>  
> +void flow_rule_match_cvlan(const struct flow_rule *rule,
> +			   struct flow_match_vlan *out)
> +{
> +	FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_CVLAN, out);
> +}
> +EXPORT_SYMBOL(flow_rule_match_cvlan);
> +
>  void flow_rule_match_ipv4_addrs(const struct flow_rule *rule,
>  				struct flow_match_ipv4_addrs *out)
>  {

Could you please push to 5.1 and 5.0-stable? The original patch brought a bug
in mlx5_core driver. Need your patch to fix.

--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -1615,7 +1615,7 @@ static int __parse_cls_flower(struct mlx5e_priv *priv,
        if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) {
                struct flow_match_vlan match;

-               flow_rule_match_vlan(rule, &match);
+               flow_rule_match_cvlan(rule, &match);
                if (match.mask->vlan_id ||
                    match.mask->vlan_priority ||
                    match.mask->vlan_tpid) {

Thanks!

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