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From bbbbc3a6f49588fbf5e36c22542b2701921a467f Mon Sep 17 00:00:00 2001
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From: Alaa Hleihel <ahleihel@redhat.com>
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Date: Sun, 10 May 2020 15:04:35 -0400
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Subject: [PATCH 111/312] [netdrv] net/mlx5e: TC, Stub out ipv6 tun create
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header function
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Message-id: <20200510150452.10307-71-ahleihel@redhat.com>
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Patchwork-id: 306694
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Patchwork-instance: patchwork
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O-Subject: [RHEL8.3 BZ 1789380 v2 70/87] net/mlx5e: TC, Stub out ipv6 tun create header function
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Bugzilla: 1789380
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RH-Acked-by: Kamal Heib <kheib@redhat.com>
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RH-Acked-by: Jarod Wilson <jarod@redhat.com>
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RH-Acked-by: Tony Camuso <tcamuso@redhat.com>
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RH-Acked-by: Jonathan Toppins <jtoppins@redhat.com>
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Bugzilla: http://bugzilla.redhat.com/1789380
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Upstream: v5.5-rc1
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commit e689e998e102100bdf7991763d4c244704846f2d
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Author: Saeed Mahameed <saeedm@mellanox.com>
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Date: Fri Nov 1 15:38:30 2019 -0700
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net/mlx5e: TC, Stub out ipv6 tun create header function
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Improve mlx5e_route_lookup_ipv6 function structure by avoiding #ifdef then
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return -EOPNOTSUPP in the middle of the function code.
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To do so, we stub out mlx5e_tc_tun_create_header_ipv6 which is the only
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caller of this helper function to avoid calling it altogether
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when ipv6 is compiled out, which should also cleanup some compiler
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warnings of unused variables.
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Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Reviewed-by: Eli Cohen <eli@mellanox.com>
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Reviewed-by: Roi Dayan <roid@mellanox.com>
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Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Signed-off-by: Alaa Hleihel <ahleihel@redhat.com>
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Signed-off-by: Frantisek Hrbata <fhrbata@redhat.com>
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---
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drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c | 4 ----
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drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h | 7 +++++++
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2 files changed, 7 insertions(+), 4 deletions(-)
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diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
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index 92559a758d07..8a9791473f57 100644
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--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
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+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
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@@ -141,7 +141,6 @@ static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv,
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struct dst_entry *dst;
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struct neighbour *n;
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-#if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6)
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int ret;
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dst = ipv6_stub->ipv6_dst_lookup_flow(dev_net(mirred_dev), NULL, fl6,
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@@ -157,9 +156,6 @@ static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv,
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dst_release(dst);
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return ret;
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}
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-#else
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- return -EOPNOTSUPP;
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-#endif
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n = dst_neigh_lookup(dst, &fl6->daddr);
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dst_release(dst);
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diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h
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index c362b9225dc2..6f9a78c85ffd 100644
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--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h
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+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h
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@@ -58,9 +58,16 @@ int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv,
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struct net_device *mirred_dev,
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struct mlx5e_encap_entry *e);
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+#if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6)
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int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
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struct net_device *mirred_dev,
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struct mlx5e_encap_entry *e);
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+#else
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+static inline int
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+mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
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+ struct net_device *mirred_dev,
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+ struct mlx5e_encap_entry *e) { return -EOPNOTSUPP; }
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+#endif
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bool mlx5e_tc_tun_device_to_offload(struct mlx5e_priv *priv,
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struct net_device *netdev);
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--
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2.13.6
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