1 files changed, 203 insertions, 0 deletions

diff --git a/drivers/net/bnx2x/bnx2x_dcb.h b/drivers/net/bnx2x/bnx2x_dcb.h
new file mode 100644
index 00000000000..2c6a3bca6f2
--- /dev/null
+++ b/drivers/net/bnx2x/bnx2x_dcb.h
@@ -0,0 +1,203 @@
+/* bnx2x_dcb.h: Broadcom Everest network driver.
+ *
+ * Copyright 2009-2011 Broadcom Corporation
+ *
+ * Unless you and Broadcom execute a separate written software license
+ * agreement governing use of this software, this software is licensed to you
+ * under the terms of the GNU General Public License version 2, available
+ * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
+ *
+ * Notwithstanding the above, under no circumstances may you combine this
+ * software in any way with any other Broadcom software provided under a
+ * license other than the GPL, without Broadcom's express prior written
+ * consent.
+ *
+ * Maintained by: Eilon Greenstein <eilong@broadcom.com>
+ * Written by: Dmitry Kravkov
+ *
+ */
+#ifndef BNX2X_DCB_H
+#define BNX2X_DCB_H
+
+#include "bnx2x_hsi.h"
+
+#define LLFC_DRIVER_TRAFFIC_TYPE_MAX 3 /* NW, iSCSI, FCoE */
+struct bnx2x_dcbx_app_params {
+        u32 enabled;
+        u32 traffic_type_priority[LLFC_DRIVER_TRAFFIC_TYPE_MAX];
+};
+
+#define DCBX_COS_MAX_NUM_E2     DCBX_E2E3_MAX_NUM_COS
+/* bnx2x currently limits numbers of supported COSes to 3 to be extended to 6 */
+#define BNX2X_MAX_COS_SUPPORT   3
+#define DCBX_COS_MAX_NUM_E3B0   BNX2X_MAX_COS_SUPPORT
+#define DCBX_COS_MAX_NUM        BNX2X_MAX_COS_SUPPORT
+
+struct bnx2x_dcbx_cos_params {
+        u32     bw_tbl;
+        u32     pri_bitmask;
+        /*
+         * strict priority: valid values are 0..5; 0 is highest priority.
+         * There can't be two COSes with the same priority.
+         */
+        u8      strict;
+#define BNX2X_DCBX_STRICT_INVALID                       DCBX_COS_MAX_NUM
+#define BNX2X_DCBX_STRICT_COS_HIGHEST                   0
+#define BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(sp)        ((sp) + 1)
+        u8      pauseable;
+};
+
+struct bnx2x_dcbx_pg_params {
+        u32 enabled;
+        u8 num_of_cos; /* valid COS entries */
+        struct bnx2x_dcbx_cos_params    cos_params[DCBX_COS_MAX_NUM];
+};
+
+struct bnx2x_dcbx_pfc_params {
+        u32 enabled;
+        u32 priority_non_pauseable_mask;
+};
+
+struct bnx2x_dcbx_port_params {
+        struct bnx2x_dcbx_pfc_params pfc;
+        struct bnx2x_dcbx_pg_params  ets;
+        struct bnx2x_dcbx_app_params app;
+};
+
+#define BNX2X_DCBX_CONFIG_INV_VALUE                     (0xFFFFFFFF)
+#define BNX2X_DCBX_OVERWRITE_SETTINGS_DISABLE           0
+#define BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE            1
+#define BNX2X_DCBX_OVERWRITE_SETTINGS_INVALID   (BNX2X_DCBX_CONFIG_INV_VALUE)
+#define BNX2X_IS_ETS_ENABLED(bp) ((bp)->dcb_state == BNX2X_DCB_STATE_ON &&\
+                                  (bp)->dcbx_port_params.ets.enabled)
+
+struct bnx2x_config_lldp_params {
+        u32 overwrite_settings;
+        u32 msg_tx_hold;
+        u32 msg_fast_tx;
+        u32 tx_credit_max;
+        u32 msg_tx_interval;
+        u32 tx_fast;
+};
+
+struct bnx2x_admin_priority_app_table {
+                u32 valid;
+                u32 priority;
+#define INVALID_TRAFFIC_TYPE_PRIORITY   (0xFFFFFFFF)
+                u32 traffic_type;
+#define TRAFFIC_TYPE_ETH                0
+#define TRAFFIC_TYPE_PORT               1
+                u32 app_id;
+};
+
+struct bnx2x_config_dcbx_params {
+        u32 overwrite_settings;
+        u32 admin_dcbx_version;
+        u32 admin_ets_enable;
+        u32 admin_pfc_enable;
+        u32 admin_tc_supported_tx_enable;
+        u32 admin_ets_configuration_tx_enable;
+        u32 admin_ets_recommendation_tx_enable;
+        u32 admin_pfc_tx_enable;
+        u32 admin_application_priority_tx_enable;
+        u32 admin_ets_willing;
+        u32 admin_ets_reco_valid;
+        u32 admin_pfc_willing;
+        u32 admin_app_priority_willing;
+        u32 admin_configuration_bw_precentage[8];
+        u32 admin_configuration_ets_pg[8];
+        u32 admin_recommendation_bw_precentage[8];
+        u32 admin_recommendation_ets_pg[8];
+        u32 admin_pfc_bitmap;
+        struct bnx2x_admin_priority_app_table admin_priority_app_table[4];
+        u32 admin_default_priority;
+};
+
+#define GET_FLAGS(flags, bits)          ((flags) & (bits))
+#define SET_FLAGS(flags, bits)          ((flags) |= (bits))
+#define RESET_FLAGS(flags, bits)        ((flags) &= ~(bits))
+
+enum {
+        DCBX_READ_LOCAL_MIB,
+        DCBX_READ_REMOTE_MIB
+};
+
+#define ETH_TYPE_FCOE           (0x8906)
+#define TCP_PORT_ISCSI          (0xCBC)
+
+#define PFC_VALUE_FRAME_SIZE                            (512)
+#define PFC_QUANTA_IN_NANOSEC_FROM_SPEED_MEGA(mega_speed)  \
+                                ((1000 * PFC_VALUE_FRAME_SIZE)/(mega_speed))
+
+#define PFC_BRB1_REG_HIGH_LLFC_LOW_THRESHOLD                    130
+#define PFC_BRB1_REG_HIGH_LLFC_HIGH_THRESHOLD                   170
+
+
+
+struct cos_entry_help_data {
+        u32                     pri_join_mask;
+        u32                     cos_bw;
+        u8                      strict;
+        bool                    pausable;
+};
+
+struct cos_help_data {
+        struct cos_entry_help_data      data[DCBX_COS_MAX_NUM];
+        u8                              num_of_cos;
+};
+
+#define DCBX_ILLEGAL_PG                         (0xFF)
+#define DCBX_PFC_PRI_MASK                       (0xFF)
+#define DCBX_STRICT_PRIORITY                    (15)
+#define DCBX_INVALID_COS_BW                     (0xFFFFFFFF)
+#define DCBX_PFC_PRI_NON_PAUSE_MASK(bp)         \
+                        ((bp)->dcbx_port_params.pfc.priority_non_pauseable_mask)
+#define DCBX_PFC_PRI_PAUSE_MASK(bp)             \
+                                        ((u8)~DCBX_PFC_PRI_NON_PAUSE_MASK(bp))
+#define DCBX_PFC_PRI_GET_PAUSE(bp, pg_pri)      \
+                                ((pg_pri) & (DCBX_PFC_PRI_PAUSE_MASK(bp)))
+#define DCBX_PFC_PRI_GET_NON_PAUSE(bp, pg_pri)  \
+                        (DCBX_PFC_PRI_NON_PAUSE_MASK(bp) & (pg_pri))
+#define DCBX_IS_PFC_PRI_SOME_PAUSE(bp, pg_pri)  \
+                        (0 != DCBX_PFC_PRI_GET_PAUSE(bp, pg_pri))
+#define IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pg_pri)  \
+                        (pg_pri == DCBX_PFC_PRI_GET_PAUSE((bp), (pg_pri)))
+#define IS_DCBX_PFC_PRI_ONLY_NON_PAUSE(bp, pg_pri)\
+                        ((pg_pri) == DCBX_PFC_PRI_GET_NON_PAUSE((bp), (pg_pri)))
+#define IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pg_pri)   \
+                        (!(IS_DCBX_PFC_PRI_ONLY_NON_PAUSE((bp), (pg_pri)) || \
+                         IS_DCBX_PFC_PRI_ONLY_PAUSE((bp), (pg_pri))))
+
+
+struct pg_entry_help_data {
+        u8      num_of_dif_pri;
+        u8      pg;
+        u32     pg_priority;
+};
+
+struct pg_help_data {
+        struct pg_entry_help_data       data[LLFC_DRIVER_TRAFFIC_TYPE_MAX];
+        u8                              num_of_pg;
+};
+
+/* forward DCB/PFC related declarations */
+struct bnx2x;
+void bnx2x_dcbx_update(struct work_struct *work);
+void bnx2x_dcbx_init_params(struct bnx2x *bp);
+void bnx2x_dcbx_set_state(struct bnx2x *bp, bool dcb_on, u32 dcbx_enabled);
+
+enum {
+        BNX2X_DCBX_STATE_NEG_RECEIVED = 0x1,
+        BNX2X_DCBX_STATE_TX_PAUSED,
+        BNX2X_DCBX_STATE_TX_RELEASED
+};
+
+void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state);
+void bnx2x_dcbx_pmf_update(struct bnx2x *bp);
+/* DCB netlink */
+#ifdef BCM_DCBNL
+extern const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops;
+int bnx2x_dcbnl_update_applist(struct bnx2x *bp, bool delall);
+#endif /* BCM_DCBNL */
+
+#endif /* BNX2X_DCB_H */