FMAN: Adding Wrapper API to use Rate Limiting Feature

- The API enables other module to Set / Delete Rate Limiting Feature on a given FMAN port.

Change-Id: I28f0bdfb9ca2b1c97df6dfcb2456bc3730cfd7d2
Signed-off-by: Sachin Saxena <sachin.saxena@freescale.com>
Reviewed-on: http://git.am.freescale.net:8181/1377
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>

2 files changed, 51 insertions, 0 deletions

diff --git a/drivers/net/ethernet/freescale/fman/src/inc/wrapper/fsl_fman.h b/drivers/net/ethernet/freescale/fman/src/inc/wrapper/fsl_fman.h
index 3efc8ce..89d022b 100644
--- a/drivers/net/ethernet/freescale/fman/src/inc/wrapper/fsl_fman.h
+++ b/drivers/net/ethernet/freescale/fman/src/inc/wrapper/fsl_fman.h
@@ -315,6 +315,31 @@ int fm_get_max_frm(void);
 *//***************************************************************************/
 int fm_get_rx_extra_headroom(void);
 
+/**************************************************************************//**
+ @Function	fm_port_set_rate_limit
+
+ @Description	Configure Shaper parameter on FM-port device (Tx port).
+
+ @Param[in]	port	- A handle of the FM port device.
+ @Param[in]	max_burst_size	- Value of maximum burst size allowed.
+ @Param[in]	rate_limit	- The required rate value.
+
+ @Cautions	Allowed only after the port is initialized.
+*//***************************************************************************/
+int fm_port_set_rate_limit(struct fm_port *port,
+			uint16_t	max_burst_size,
+			uint32_t	rate_limit);
+/**************************************************************************//**
+ @Function	fm_port_set_rate_limit
+
+ @Description	Delete Shaper configuration on FM-port device (Tx port).
+
+ @Param[in]	port	- A handle of the FM port device.
+
+ @Cautions	Allowed only after the port is initialized.
+*//***************************************************************************/
+int fm_port_del_rate_limit(struct fm_port *port);
+
 /** @} */ /* end of FM_LnxKern_ctrl_grp group */
 /** @} */ /* end of FM_LnxKern_grp group */
 
diff --git a/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_fm.c b/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_fm.c
index b20f3a5..a4f6166 100644
--- a/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_fm.c
+++ b/drivers/net/ethernet/freescale/fman/src/wrapper/lnxwrp_fm.c
@@ -1268,6 +1268,32 @@ void fm_port_disable(struct fm_port *port)
 }
 EXPORT_SYMBOL(fm_port_disable);
 
+int fm_port_set_rate_limit(struct fm_port *port,
+			uint16_t	max_burst_size,
+			uint32_t	rate_limit)
+{
+	t_FmPortRateLimit param;
+	t_LnxWrpFmPortDev   *p_LnxWrpFmPortDev = (t_LnxWrpFmPortDev *)port;
+	int err = 0;
+
+	param.maxBurstSize = max_burst_size;
+	param.rateLimit = rate_limit;
+	param.rateLimitDivider = 0;
+
+	err = FM_PORT_SetRateLimit(p_LnxWrpFmPortDev->h_Dev, &param);
+	return err;
+}
+EXPORT_SYMBOL(fm_port_set_rate_limit);
+
+int fm_port_del_rate_limit(struct fm_port *port)
+{
+	t_LnxWrpFmPortDev   *p_LnxWrpFmPortDev = (t_LnxWrpFmPortDev *)port;
+
+	FM_PORT_DeleteRateLimit(p_LnxWrpFmPortDev->h_Dev);
+	return 0;
+}
+EXPORT_SYMBOL(fm_port_del_rate_limit);
+
 void fm_mutex_lock(void)
 {
     mutex_lock(&lnxwrp_mutex);