Hello.
On 06/27/2016 07:07 PM, Saeed Mahameed wrote:
From: Or Gerlitz <[email protected]>
In the sriov offloads mode, packets that are not matched by any other
rule should be sent towards the e-switch manager for further processing.
Add such "miss" rule which matches ANY packet as the last rule in the
e-switch FDB and programs the HW to send the packet to vport 0 where
the e-switch manager runs.
Signed-off-by: Or Gerlitz <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
[...]
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index c6b28df..9310017 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -38,6 +38,41 @@
#include "mlx5_core.h"
#include "eswitch.h"
+static int esw_add_fdb_miss_rule(struct mlx5_eswitch *esw)
+{
+ struct mlx5_flow_destination dest;
+ struct mlx5_flow_rule *flow_rule = NULL;
+ int match_header = 0;
This variable doesn't apperar necessary...
+ u32 *match_v, *match_c;
+ int err = 0;
+
+ match_v = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
+ match_c = kzalloc(MLX5_ST_SZ_BYTES(fte_match_param), GFP_KERNEL);
+ if (!match_v || !match_c) {
+ esw_warn(esw->dev, "FDB: Failed to alloc match parameters\n");
+ err = -ENOMEM;
+ goto out;
+ }
+
+ dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT;
+ dest.vport_num = 0;
+
+ flow_rule = mlx5_add_flow_rule(esw->fdb_table.fdb, match_header,
match_c,
Whu not just pass 0 instead of 'match_header'?
+ match_v,
MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,
+ 0, &dest);
+ if (IS_ERR(flow_rule)) {
+ err = PTR_ERR(flow_rule);
+ esw_warn(esw->dev, "FDB: Failed to add miss flow rule err
%d\n", err);
+ goto out;
+ }
+
+ esw->fdb_table.offloads.miss_rule = flow_rule;
+out:
+ kfree(match_v);
+ kfree(match_c);
+ return err;
+}
+
#define MAX_PF_SQ 256
int esw_create_offloads_fdb_table(struct mlx5_eswitch *esw, int nvports)
[...]
MBR, Sergei
