net/qede/base: get pre-negotiated OEM values

Request management FW for OEM values, which are negotiated prior to
the driver load by sending the GET_OEM_UPDATES command after both
engines are initialized.

Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>

diff --git a/drivers/net/qede/base/ecore_dev.c b/drivers/net/qede/base/ecore_dev.c
index f0adf18..30e12e9 100644 (file)
--- a/drivers/net/qede/base/ecore_dev.c
+++ b/drivers/net/qede/base/ecore_dev.c
@@ -2645,6 +2645,20 @@ enum _ecore_status_t ecore_hw_init(struct ecore_dev *p_dev,
                                  "Failed to send GET_OEM_UPDATES attention request\n");
        }
 
+       if (IS_PF(p_dev)) {
+               /* Get pre-negotiated values for stag, bandwidth etc. */
+               p_hwfn = ECORE_LEADING_HWFN(p_dev);
+               DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ,
+                          "Sending GET_OEM_UPDATES command to trigger stag/bandwidth attention handling\n");
+               rc = ecore_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt,
+                                  DRV_MSG_CODE_GET_OEM_UPDATES,
+                                  1 << DRV_MB_PARAM_DUMMY_OEM_UPDATES_OFFSET,
+                                  &resp, &param);
+               if (rc != ECORE_SUCCESS)
+                       DP_NOTICE(p_hwfn, false,
+                                 "Failed to send GET_OEM_UPDATES attention request\n");
+       }
+
        if (IS_PF(p_dev)) {
                p_hwfn = ECORE_LEADING_HWFN(p_dev);
                drv_mb_param = STORM_FW_VERSION;

diff --git a/drivers/net/qede/base/mcp_public.h b/drivers/net/qede/base/mcp_public.h
index 2ee8ab5..46ec984 100644 (file)
--- a/drivers/net/qede/base/mcp_public.h
+++ b/drivers/net/qede/base/mcp_public.h
@@ -1696,6 +1696,8 @@ struct public_drv_mb {
 #define FW_MSG_CODE_RESOURCE_ALLOC_UNKNOWN      0x35000000
 #define FW_MSG_CODE_RESOURCE_ALLOC_DEPRECATED   0x36000000
 #define FW_MSG_CODE_RESOURCE_ALLOC_GEN_ERR      0x37000000
+#define FW_MSG_CODE_GET_OEM_UPDATES_DONE       0x41000000
+
 #define FW_MSG_CODE_NIG_DRAIN_DONE              0x30000000
 #define FW_MSG_CODE_VF_DISABLED_DONE            0xb0000000
 #define FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE        0xb0010000
@@ -1804,6 +1806,12 @@ struct public_drv_mb {
 
 #define FW_MB_PARAM_LOAD_DONE_DID_EFUSE_ERROR  (1 << 0)
 
+#define FW_MB_PARAM_OEM_UPDATE_MASK            0xFF
+#define FW_MB_PARAM_OEM_UPDATE_OFFSET          0
+#define FW_MB_PARAM_OEM_UPDATE_BW              0x01
+#define FW_MB_PARAM_OEM_UPDATE_S_TAG           0x02
+#define FW_MB_PARAM_OEM_UPDATE_CFG             0x04
+
        u32 drv_pulse_mb;
 #define DRV_PULSE_SEQ_MASK                      0x00007fff
 #define DRV_PULSE_SYSTEM_TIME_MASK              0xffff0000