FMD: add PFC support for FMan v3 platforms

Configure up to 4 PFC priorities each with its PAUSE quanta.
Each PFC priority controls a Work Queue on a FMan port.
When the private interfaces' buffer pool depletes, there are issued
PFC frames for the number of all configured priorities.

Signed-off-by: Cristian Bercaru <cristian.bercaru@freescale.com>
Change-Id: I8a6102f4a77b44d07973a38b98493226e9b69bbd
Reviewed-on: http://git.am.freescale.net:8181/9767
Reviewed-by: Madalin-Cristian Bucur <madalin.bucur@freescale.com>
Tested-by: Madalin-Cristian Bucur <madalin.bucur@freescale.com>
Reviewed-by: Cristian-Constantin Sovaiala <Cristian.Sovaiala@freescale.com>
Reviewed-by: Jose Rivera <German.Rivera@freescale.com>

1 files changed, 15 insertions, 11 deletions

diff --git a/drivers/net/ethernet/freescale/fman/inc/Peripherals/fm_ext.h b/drivers/net/ethernet/freescale/fman/inc/Peripherals/fm_ext.h
index a45682f..5bba643 100644
--- a/drivers/net/ethernet/freescale/fman/inc/Peripherals/fm_ext.h
+++ b/drivers/net/ethernet/freescale/fman/inc/Peripherals/fm_ext.h
@@ -411,17 +411,6 @@ typedef struct t_FmExtPoolParams {
 } t_FmExtPoolParams;
 
 /**************************************************************************//**
- @Description   A structure for informing the driver about the external
-                buffer pools allocated in the BM and used by a port or a
-                storage-profile.
-*//***************************************************************************/
-typedef struct t_FmExtPools {
-    uint8_t                 numOfPoolsUsed;     /**< Number of pools use by this port */
-    t_FmExtPoolParams       extBufPool[FM_PORT_MAX_NUM_OF_EXT_POOLS];
-                                                /**< Parameters for each port */
-} t_FmExtPools;
-
-/**************************************************************************//**
  @Description   A structure for defining backup BM Pools.
 *//***************************************************************************/
 typedef struct t_FmBackupBmPools {
@@ -458,6 +447,21 @@ typedef struct t_FmBufPoolDepletion {
 } t_FmBufPoolDepletion;
 
 /**************************************************************************//**
+ @Description   A structure for informing the driver about the external
+                buffer pools allocated in the BM and used by a port or a
+                storage-profile.
+*//***************************************************************************/
+typedef struct t_FmExtPools {
+    uint8_t                 numOfPoolsUsed;     /**< Number of pools use by this port */
+    t_FmExtPoolParams       extBufPool[FM_PORT_MAX_NUM_OF_EXT_POOLS];
+                                                /**< Parameters for each port */
+    /**< External buffer pool depletion parameters */
+#ifdef CONFIG_FMAN_PFC
+    t_FmBufPoolDepletion poolDepletion;
+#endif
+} t_FmExtPools;
+
+/**************************************************************************//**
  @Description   A Structure for defining Ucode patch for loading.
 *//***************************************************************************/
 typedef struct t_FmFirmwareParams {