From: Yashaswini Raghuram Prathivadi Bhayankaram
Date: Fri, 10 Aug 2018 00:17:44 -0700
<yashaswini.raghuram.prathivadi.bhayankaram@intel.com>
Subject: virtchnl: Added support to exchange additional speed values
Patch-mainline: v4.20-rc1
Git-commit: 16fc087b9cb22c9a97307cc24a5413d0df68fe11
References: bsc#1118661 FATE#325277
Introduced a new virtchnl capability flag and a struct to support exchange
of additional supported speeds.
Signed-off-by: Yashaswini Raghuram Prathivadi Bhayankaram <yashaswini.raghuram.prathivadi.bhayankaram@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
include/linux/avf/virtchnl.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)
--- a/include/linux/avf/virtchnl.h
+++ b/include/linux/avf/virtchnl.h
@@ -252,6 +252,8 @@ VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_v
#define VIRTCHNL_VF_OFFLOAD_RX_ENCAP_CSUM 0X00400000
#define VIRTCHNL_VF_OFFLOAD_ADQ 0X00800000
+/* Define below the capability flags that are not offloads */
+#define VIRTCHNL_VF_CAP_ADV_LINK_SPEED 0x00000080
#define VF_BASE_MODE_OFFLOADS (VIRTCHNL_VF_OFFLOAD_L2 | \
VIRTCHNL_VF_OFFLOAD_VLAN | \
VIRTCHNL_VF_OFFLOAD_RSS_PF)
@@ -596,10 +598,23 @@ enum virtchnl_event_codes {
struct virtchnl_pf_event {
enum virtchnl_event_codes event;
union {
+ /* If the PF driver does not support the new speed reporting
+ * capabilities then use link_event else use link_event_adv to
+ * get the speed and link information. The ability to understand
+ * new speeds is indicated by setting the capability flag
+ * VIRTCHNL_VF_CAP_ADV_LINK_SPEED in vf_cap_flags parameter
+ * in virtchnl_vf_resource struct and can be used to determine
+ * which link event struct to use below.
+ */
struct {
enum virtchnl_link_speed link_speed;
bool link_status;
} link_event;
+ struct {
+ /* link_speed provided in Mbps */
+ u32 link_speed;
+ u8 link_status;
+ } link_event_adv;
} event_data;
int severity;