linux-kernel - linux-next: manual merge of the net-next tree with the net tree

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Date:   Wed, 24 Mar 2021 12:18:35 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     David Miller <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>
Cc:     Alaa Hleihel <alaa@...dia.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Maor Dickman <maord@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: linux-next: manual merge of the net-next tree with the net tree

Hi all,

Today's linux-next merge of the net-next tree got a conflict in:

  drivers/net/ethernet/mellanox/mlx5/core/en_tc.c

between commit:

  7d6c86e3ccb5 ("net/mlx5e: Allow to match on MPLS parameters only for MPLS over UDP")

from the net tree and commit:

  a3222a2da0a2 ("net/mlx5e: Allow to match on ICMP parameters")

from the net-next tree.

I fixed it up (see below) and can carry the fix as necessary. This
is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging.  You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.

-- 
Cheers,
Stephen Rothwell

diff --cc drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index df2a0af854bb,730f33ada90a..000000000000
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@@ -2295,17 -2314,49 +2314,60 @@@ static int __parse_cls_flower(struct ml
  		if (match.mask->flags)
  			*match_level = MLX5_MATCH_L4;
  	}
 +
 +	/* Currenlty supported only for MPLS over UDP */
 +	if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) &&
 +	    !netif_is_bareudp(filter_dev)) {
 +		NL_SET_ERR_MSG_MOD(extack,
 +				   "Matching on MPLS is supported only for MPLS over UDP");
 +		netdev_err(priv->netdev,
 +			   "Matching on MPLS is supported only for MPLS over UDP\n");
 +		return -EOPNOTSUPP;
 +	}
 +
+ 	if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) {
+ 		struct flow_match_icmp match;
+ 
+ 		flow_rule_match_icmp(rule, &match);
+ 		switch (ip_proto) {
+ 		case IPPROTO_ICMP:
+ 			if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) &
+ 			      MLX5_FLEX_PROTO_ICMP))
+ 				return -EOPNOTSUPP;
+ 			MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type,
+ 				 match.mask->type);
+ 			MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type,
+ 				 match.key->type);
+ 			MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code,
+ 				 match.mask->code);
+ 			MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code,
+ 				 match.key->code);
+ 			break;
+ 		case IPPROTO_ICMPV6:
+ 			if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) &
+ 			      MLX5_FLEX_PROTO_ICMPV6))
+ 				return -EOPNOTSUPP;
+ 			MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type,
+ 				 match.mask->type);
+ 			MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type,
+ 				 match.key->type);
+ 			MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code,
+ 				 match.mask->code);
+ 			MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code,
+ 				 match.key->code);
+ 			break;
+ 		default:
+ 			NL_SET_ERR_MSG_MOD(extack,
+ 					   "Code and type matching only with ICMP and ICMPv6");
+ 			netdev_err(priv->netdev,
+ 				   "Code and type matching only with ICMP and ICMPv6\n");
+ 			return -EINVAL;
+ 		}
+ 		if (match.mask->code || match.mask->type) {
+ 			*match_level = MLX5_MATCH_L4;
+ 			spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3;
+ 		}
+ 	}
  	return 0;
  }
  

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