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flow_offload: reject to offload tc actions in offload drivers

Browse Source 
A follow-up patch will allow users to offload tc actions independent of
classifier in the software datapath.

In preparation for this, teach all drivers that support offload of the flow
tables to reject such configuration as currently none of them support it.

Signed-off-by: Baowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Baowen Zheng 2021-12-17 19:16:18 +01:00 committed by David S. Miller
parent 40bd094d65
commit 144d4c9e80
3 changed files with 7 additions and 1 deletions
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2
drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
View File

@ -1962,7 +1962,7 @@ static int bnxt_tc_setup_indr_cb(struct net_device *netdev, struct Qdisc *sch, v
void *data,
void (*cleanup)(struct flow_block_cb *block_cb))
{
if (!bnxt_is_netdev_indr_offload(netdev))
if (!netdev || !bnxt_is_netdev_indr_offload(netdev))
return -EOPNOTSUPP;
switch (type) {

3
drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
View File

@ -517,6 +517,9 @@ int mlx5e_rep_indr_setup_cb(struct net_device *netdev, struct Qdisc *sch, void *
void *data,
void (*cleanup)(struct flow_block_cb *block_cb))
{
if (!netdev)
return -EOPNOTSUPP;
switch (type) {
case TC_SETUP_BLOCK:
return mlx5e_rep_indr_setup_block(netdev, sch, cb_priv, type_data,

3
drivers/net/ethernet/netronome/nfp/flower/offload.c
View File

@ -1867,6 +1867,9 @@ nfp_flower_indr_setup_tc_cb(struct net_device *netdev, struct Qdisc *sch, void *
void *data,
void (*cleanup)(struct flow_block_cb *block_cb))
{
if (!netdev)
return -EOPNOTSUPP;
if (!nfp_fl_is_netdev_to_offload(netdev))
return -EOPNOTSUPP;