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Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h207
1 files changed, 207 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h
new file mode 100644
index 000000000..9a9517c0f
--- /dev/null
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h
@@ -0,0 +1,207 @@
+/* bnx2x_dcb.h: QLogic Everest network driver.
+ *
+ * Copyright 2009-2013 Broadcom Corporation
+ * Copyright 2014 QLogic Corporation
+ * All rights reserved
+ *
+ * Unless you and QLogic 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 QLogic software provided under a
+ * license other than the GPL, without QLogic's express prior written
+ * consent.
+ *
+ * Maintained by: Ariel Elior <ariel.elior@qlogic.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;
+};
+
+#define DCBX_CONFIG_MAX_APP_PROTOCOL 4
+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[DCBX_CONFIG_MAX_APP_PROTOCOL];
+ 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 */
+
+int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp);
+int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp);
+
+#endif /* BNX2X_DCB_H */