bnx2x: nvram enables dropless flow control

It is now possible to enable dropless flow control via nvram.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 2 deletions

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
index 9a51d4970ad5..3369a50ac6b4 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
@@ -500,7 +500,15 @@ struct port_hw_cfg {		    /* port 0: 0x12c  port 1: 0x2bc */
         u32 e3_cmn_pin_cfg1;                                /* 0x170 */
         #define PORT_HW_CFG_E3_OVER_CURRENT_MASK            0x000000FF
         #define PORT_HW_CFG_E3_OVER_CURRENT_SHIFT                    0
-        u32 reserved0[7];                                   /* 0x174 */
+
+        /*  pause on host ring */
+        u32 generic_features;                               /* 0x174 */
+        #define PORT_HW_CFG_PAUSE_ON_HOST_RING_MASK                   0x00000001
+        #define PORT_HW_CFG_PAUSE_ON_HOST_RING_SHIFT                  0
+        #define PORT_HW_CFG_PAUSE_ON_HOST_RING_DISABLED               0x00000000
+        #define PORT_HW_CFG_PAUSE_ON_HOST_RING_ENABLED                0x00000001
+
+        u32 reserved0[6];                                   /* 0x178 */
 
         u32 aeu_int_mask;                                   /* 0x190 */
 
@@ -1518,12 +1526,13 @@ enum mf_cfg_afex_vlan_mode {
 /* This structure is not applicable and should not be accessed on 57711 */
 struct func_ext_cfg {
         u32 func_cfg;
-        #define MACP_FUNC_CFG_FLAGS_MASK                0x000000FF
+        #define MACP_FUNC_CFG_FLAGS_MASK                0x0000007F
         #define MACP_FUNC_CFG_FLAGS_SHIFT               0
         #define MACP_FUNC_CFG_FLAGS_ENABLED             0x00000001
         #define MACP_FUNC_CFG_FLAGS_ETHERNET            0x00000002
         #define MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD       0x00000004
         #define MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD        0x00000008
+        #define MACP_FUNC_CFG_PAUSE_ON_HOST_RING        0x00000080
 
         u32 iscsi_mac_addr_upper;
         u32 iscsi_mac_addr_lower;