net/enic: update the UDP RSS detection mechanism

[dpdk.git] / drivers / net / enic / base / vnic_dev.c

diff --git a/drivers/net/enic/base/vnic_dev.c b/drivers/net/enic/base/vnic_dev.c
index 8483f76..16e8814 100644 (file)
--- a/drivers/net/enic/base/vnic_dev.c
+++ b/drivers/net/enic/base/vnic_dev.c
@@ -528,6 +528,22 @@ parse_max_level:
        return 0;
 }
 
+void vnic_dev_capable_udp_rss_weak(struct vnic_dev *vdev, bool *cfg_chk,
+                                  bool *weak)
+{
+       u64 a0 = CMD_NIC_CFG, a1 = 0;
+       int wait = 1000;
+       int err;
+
+       *cfg_chk = false;
+       *weak = false;
+       err = vnic_dev_cmd(vdev, CMD_CAPABILITY, &a0, &a1, wait);
+       if (err == 0 && a0 != 0 && a1 != 0) {
+               *cfg_chk = true;
+               *weak = !!((a1 >> 32) & CMD_NIC_CFG_CAPF_UDP_WEAK);
+       }
+}
+
 int vnic_dev_capable(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd)
 {
        u64 a0 = (u32)cmd, a1 = 0;