[PATCH net-next 7/7] nfp: abm: refuse RED offload with harddrop set

[Jakub Kicinski]

RED Qdisc will now inform the drivers about the state of the harddrop
flag.  Refuse to offload in case harddrop is set.

Signed-off-by: Jakub Kicinski <jakub.kicin...@netronome.com>
Reviewed-by: John Hurley <john.hur...@netronome.com>
Reviewed-by: Quentin Monnet <quentin.mon...@netronome.com>
---
 drivers/net/ethernet/netronome/nfp/abm/qdisc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/netronome/nfp/abm/qdisc.c 
b/drivers/net/ethernet/netronome/nfp/abm/qdisc.c
index 979afb3ea855..bb05f9ee0401 100644
--- a/drivers/net/ethernet/netronome/nfp/abm/qdisc.c
+++ b/drivers/net/ethernet/netronome/nfp/abm/qdisc.c
@@ -83,6 +83,11 @@ nfp_abm_red_check_params(struct nfp_abm_link *alink,
                         opt->parent, opt->handle);
                return false;
        }
+       if (opt->set.is_harddrop) {
+               nfp_warn(cpp, "RED offload failed - harddrop is not supported 
(p:%08x h:%08x)\n",
+                        opt->parent, opt->handle);
+               return false;
+       }
        if (opt->set.min != opt->set.max) {
                nfp_warn(cpp, "RED offload failed - unsupported min/max 
parameters (p:%08x h:%08x)\n",
                         opt->parent, opt->handle);
-- 
2.17.1