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

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Date:   Mon, 17 Dec 2018 11:25:46 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     David Miller <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Or Gerlitz <ogerlitz@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        Eli Britstein <elibr@...lanox.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:

  154e62abe9cd ("net/mlx5e: Properly initialize flow attributes for slow path eswitch rule deletion")

from the net tree and commit:

  e88afe759a49 ("net/mlx5e: Err if asked to mirror a goto chain tc eswitch rule")
  e85e02bad29e ("net/mlx5: E-Switch, Rename esw attr mirror count field")

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 9dabe9d4b279,53ebb5a48018..000000000000
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@@ -870,9 -903,9 +903,9 @@@ mlx5e_tc_offload_to_slow_path(struct ml
  	struct mlx5_flow_handle *rule;
  
  	memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr));
 -	slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
 -	slow_attr->split_count = 0,
 -	slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN,
 +	slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
- 	slow_attr->mirror_count = 0;
++	slow_attr->split_count = 0;
 +	slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN;
  
  	rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr);
  	if (!IS_ERR(rule))
@@@ -887,9 -920,6 +920,9 @@@ mlx5e_tc_unoffload_from_slow_path(struc
  				  struct mlx5_esw_flow_attr *slow_attr)
  {
  	memcpy(slow_attr, flow->esw_attr, sizeof(*slow_attr));
 +	slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
- 	slow_attr->mirror_count = 0;
++	slow_attr->split_count = 0;
 +	slow_attr->dest_chain = FDB_SLOW_PATH_CHAIN;
  	mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr);
  	flow->flags &= ~MLX5E_TC_FLOW_SLOW;
  }
@@@ -909,11 -939,13 +942,12 @@@ mlx5e_tc_add_fdb_flow(struct mlx5e_pri
  	struct mlx5e_rep_priv *rpriv;
  	struct mlx5e_priv *out_priv;
  	int err = 0, encap_err = 0;
+ 	int out_index;
  
 -	/* if prios are not supported, keep the old behaviour of using same prio
 -	 * for all offloaded rules.
 -	 */
 -	if (!mlx5_eswitch_prios_supported(esw))
 -		attr->prio = 1;
 +	if (!mlx5_eswitch_prios_supported(esw) && attr->prio != 1) {
 +		NL_SET_ERR_MSG(extack, "E-switch priorities unsupported, upgrade FW");
 +		return -EOPNOTSUPP;
 +	}
  
  	if (attr->chain > max_chain) {
  		NL_SET_ERR_MSG(extack, "Requested chain is out of supported range");
@@@ -2980,15 -2667,7 +2667,15 @@@ static int parse_tc_fdb_actions(struct 
  	if (!actions_match_supported(priv, exts, parse_attr, flow, extack))
  		return -EOPNOTSUPP;
  
 +	if (attr->dest_chain) {
 +		if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
 +			NL_SET_ERR_MSG(extack, "Mirroring goto chain rules isn't supported");
 +			return -EOPNOTSUPP;
 +		}
 +		attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
 +	}
 +
- 	if (attr->mirror_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) {
+ 	if (attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) {
  		NL_SET_ERR_MSG_MOD(extack,
  				   "current firmware doesn't support split rule for port mirroring");
  		netdev_warn_once(priv->netdev, "current firmware doesn't support split rule for port mirroring\n");

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