net/mlx4_en: Add RX-ALL support
Enabled when the device supports KEEP FCS and IGNORE FCS.
When the flag is set, pass all received frames up the stack,
even ones with invalid FCS, controlled by ethtool.
Signed-off-by: Muhammad Mahajna <muhammadm@mellanox.com>
Signed-off-by: Ido Shamay <idos@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index 6317844..b9881fc 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -151,6 +151,7 @@
[25] = "Granular QoS per VF support",
[26] = "Port ETS Scheduler support",
[27] = "Port beacon support",
+ [28] = "RX-ALL support",
};
int i;
@@ -893,6 +894,8 @@
MLX4_GET(field, outbox, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
if (field & 0x20)
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CONFIG_DEV;
+ if (field & (1 << 2))
+ dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_IGNORE_FCS;
MLX4_GET(dev_cap->reserved_lkey, outbox,
QUERY_DEV_CAP_RSVD_LKEY_OFFSET);
MLX4_GET(field32, outbox, QUERY_DEV_CAP_ETH_BACKPL_OFFSET);
@@ -1220,6 +1223,11 @@
field &= 0xef;
MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE);
+ /* turn off ignore FCS feature for guests */
+ MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
+ field &= 0xfb;
+ MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CONFIG_DEV_OFFSET);
+
return 0;
}