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authorVlad Buslov <vladbu@nvidia.com>2023-02-01 17:30:54 +0100
committerDavid S. Miller <davem@davemloft.net>2023-02-03 09:31:24 +0000
commit29744a10c59ede4f996c0c893127ac11bcc85c0c (patch)
treed0865ca1cab917a14ecb1a733fbf48d31cb6cc56 /drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
parent942814840127a7d6307d0aaf087dbd3cfdeb2a2d (diff)
net: flow_offload: provision conntrack info in ct_metadata
In order to offload connections in other states besides "established" the driver offload callbacks need to have access to connection conntrack info. Flow offload intermediate representation data structure already contains that data encoded in 'cookie' field, so just reuse it in the drivers. Reject offloading IP_CT_NEW connections for now by returning an error in relevant driver callbacks based on value of ctinfo. Support for offloading such connections will need to be added to the drivers afterwards. Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
index 313df8232db7..193562c14c44 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
@@ -1073,12 +1073,16 @@ mlx5_tc_ct_block_flow_offload_add(struct mlx5_ct_ft *ft,
struct mlx5_tc_ct_priv *ct_priv = ft->ct_priv;
struct flow_action_entry *meta_action;
unsigned long cookie = flow->cookie;
+ enum ip_conntrack_info ctinfo;
struct mlx5_ct_entry *entry;
int err;
meta_action = mlx5_tc_ct_get_ct_metadata_action(flow_rule);
if (!meta_action)
return -EOPNOTSUPP;
+ ctinfo = meta_action->ct_metadata.cookie & NFCT_INFOMASK;
+ if (ctinfo == IP_CT_NEW)
+ return -EOPNOTSUPP;
spin_lock_bh(&ct_priv->ht_lock);
entry = rhashtable_lookup_fast(&ft->ct_entries_ht, &cookie, cts_ht_params);