 c2659479f7
			
		
	
	
	c2659479f7
	
	
	
		
			
			v2: fixed issue with checking return of dcbnl_rtnl_ops->getapp() Signed-off-by: Anish Bhatt <anish@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
		
			
				
	
	
		
			2555 lines
		
	
	
	
		
			73 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			2555 lines
		
	
	
	
		
			73 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /* bnx2x_dcb.c: Broadcom Everest network driver.
 | |
|  *
 | |
|  * Copyright 2009-2013 Broadcom Corporation
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|  *
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|  * 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.
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|  *
 | |
|  * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
 | |
|  * Written by: Dmitry Kravkov
 | |
|  *
 | |
|  */
 | |
| 
 | |
| #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 | |
| 
 | |
| #include <linux/netdevice.h>
 | |
| #include <linux/types.h>
 | |
| #include <linux/errno.h>
 | |
| #include <linux/rtnetlink.h>
 | |
| #include <net/dcbnl.h>
 | |
| 
 | |
| #include "bnx2x.h"
 | |
| #include "bnx2x_cmn.h"
 | |
| #include "bnx2x_dcb.h"
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| 
 | |
| /* forward declarations of dcbx related functions */
 | |
| static void bnx2x_pfc_set_pfc(struct bnx2x *bp);
 | |
| static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp);
 | |
| static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp,
 | |
| 					  u32 *set_configuration_ets_pg,
 | |
| 					  u32 *pri_pg_tbl);
 | |
| static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp,
 | |
| 					    u32 *pg_pri_orginal_spread,
 | |
| 					    struct pg_help_data *help_data);
 | |
| static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp,
 | |
| 				       struct pg_help_data *help_data,
 | |
| 				       struct dcbx_ets_feature *ets,
 | |
| 				       u32 *pg_pri_orginal_spread);
 | |
| static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp,
 | |
| 				struct cos_help_data *cos_data,
 | |
| 				u32 *pg_pri_orginal_spread,
 | |
| 				struct dcbx_ets_feature *ets);
 | |
| static void bnx2x_dcbx_fw_struct(struct bnx2x *bp,
 | |
| 				 struct bnx2x_func_tx_start_params*);
 | |
| 
 | |
| /* helpers: read/write len bytes from addr into buff by REG_RD/REG_WR */
 | |
| static void bnx2x_read_data(struct bnx2x *bp, u32 *buff,
 | |
| 				   u32 addr, u32 len)
 | |
| {
 | |
| 	int i;
 | |
| 	for (i = 0; i < len; i += 4, buff++)
 | |
| 		*buff = REG_RD(bp, addr + i);
 | |
| }
 | |
| 
 | |
| static void bnx2x_write_data(struct bnx2x *bp, u32 *buff,
 | |
| 				    u32 addr, u32 len)
 | |
| {
 | |
| 	int i;
 | |
| 	for (i = 0; i < len; i += 4, buff++)
 | |
| 		REG_WR(bp, addr + i, *buff);
 | |
| }
 | |
| 
 | |
| static void bnx2x_pfc_set(struct bnx2x *bp)
 | |
| {
 | |
| 	struct bnx2x_nig_brb_pfc_port_params pfc_params = {0};
 | |
| 	u32 pri_bit, val = 0;
 | |
| 	int i;
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| 
 | |
| 	pfc_params.num_of_rx_cos_priority_mask =
 | |
| 					bp->dcbx_port_params.ets.num_of_cos;
 | |
| 
 | |
| 	/* Tx COS configuration */
 | |
| 	for (i = 0; i < bp->dcbx_port_params.ets.num_of_cos; i++)
 | |
| 		/*
 | |
| 		 * We configure only the pauseable bits (non pauseable aren't
 | |
| 		 * configured at all) it's done to avoid false pauses from
 | |
| 		 * network
 | |
| 		 */
 | |
| 		pfc_params.rx_cos_priority_mask[i] =
 | |
| 			bp->dcbx_port_params.ets.cos_params[i].pri_bitmask
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| 				& DCBX_PFC_PRI_PAUSE_MASK(bp);
 | |
| 
 | |
| 	/*
 | |
| 	 * Rx COS configuration
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| 	 * Changing PFC RX configuration .
 | |
| 	 * In RX COS0 will always be configured to lossless and COS1 to lossy
 | |
| 	 */
 | |
| 	for (i = 0 ; i < MAX_PFC_PRIORITIES ; i++) {
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| 		pri_bit = 1 << i;
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| 
 | |
| 		if (!(pri_bit & DCBX_PFC_PRI_PAUSE_MASK(bp)))
 | |
| 			val |= 1 << (i * 4);
 | |
| 	}
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| 
 | |
| 	pfc_params.pkt_priority_to_cos = val;
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| 
 | |
| 	/* RX COS0 */
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| 	pfc_params.llfc_low_priority_classes = DCBX_PFC_PRI_PAUSE_MASK(bp);
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| 	/* RX COS1 */
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| 	pfc_params.llfc_high_priority_classes = 0;
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| 
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| 	bnx2x_acquire_phy_lock(bp);
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| 	bp->link_params.feature_config_flags |= FEATURE_CONFIG_PFC_ENABLED;
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| 	bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &pfc_params);
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| 	bnx2x_release_phy_lock(bp);
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| }
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| 
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| static void bnx2x_pfc_clear(struct bnx2x *bp)
 | |
| {
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| 	struct bnx2x_nig_brb_pfc_port_params nig_params = {0};
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| 	nig_params.pause_enable = 1;
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| 	bnx2x_acquire_phy_lock(bp);
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| 	bp->link_params.feature_config_flags &= ~FEATURE_CONFIG_PFC_ENABLED;
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| 	bnx2x_update_pfc(&bp->link_params, &bp->link_vars, &nig_params);
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| 	bnx2x_release_phy_lock(bp);
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| }
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| 
 | |
| static void  bnx2x_dump_dcbx_drv_param(struct bnx2x *bp,
 | |
| 				       struct dcbx_features *features,
 | |
| 				       u32 error)
 | |
| {
 | |
| 	u8 i = 0;
 | |
| 	DP(NETIF_MSG_LINK, "local_mib.error %x\n", error);
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| 
 | |
| 	/* PG */
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| 	DP(NETIF_MSG_LINK,
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| 	   "local_mib.features.ets.enabled %x\n", features->ets.enabled);
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| 	for (i = 0; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++)
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| 		DP(NETIF_MSG_LINK,
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| 		   "local_mib.features.ets.pg_bw_tbl[%d] %d\n", i,
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| 		   DCBX_PG_BW_GET(features->ets.pg_bw_tbl, i));
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| 	for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++)
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| 		DP(NETIF_MSG_LINK,
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| 		   "local_mib.features.ets.pri_pg_tbl[%d] %d\n", i,
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| 		   DCBX_PRI_PG_GET(features->ets.pri_pg_tbl, i));
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| 
 | |
| 	/* pfc */
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| 	DP(BNX2X_MSG_DCB, "dcbx_features.pfc.pri_en_bitmap %x\n",
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| 					features->pfc.pri_en_bitmap);
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| 	DP(BNX2X_MSG_DCB, "dcbx_features.pfc.pfc_caps %x\n",
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| 					features->pfc.pfc_caps);
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| 	DP(BNX2X_MSG_DCB, "dcbx_features.pfc.enabled %x\n",
 | |
| 					features->pfc.enabled);
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| 
 | |
| 	DP(BNX2X_MSG_DCB, "dcbx_features.app.default_pri %x\n",
 | |
| 					features->app.default_pri);
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| 	DP(BNX2X_MSG_DCB, "dcbx_features.app.tc_supported %x\n",
 | |
| 					features->app.tc_supported);
 | |
| 	DP(BNX2X_MSG_DCB, "dcbx_features.app.enabled %x\n",
 | |
| 					features->app.enabled);
 | |
| 	for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
 | |
| 		DP(BNX2X_MSG_DCB,
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| 		   "dcbx_features.app.app_pri_tbl[%x].app_id %x\n",
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| 		   i, features->app.app_pri_tbl[i].app_id);
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| 		DP(BNX2X_MSG_DCB,
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| 		   "dcbx_features.app.app_pri_tbl[%x].pri_bitmap %x\n",
 | |
| 		   i, features->app.app_pri_tbl[i].pri_bitmap);
 | |
| 		DP(BNX2X_MSG_DCB,
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| 		   "dcbx_features.app.app_pri_tbl[%x].appBitfield %x\n",
 | |
| 		   i, features->app.app_pri_tbl[i].appBitfield);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbx_get_ap_priority(struct bnx2x *bp,
 | |
| 				       u8 pri_bitmap,
 | |
| 				       u8 llfc_traf_type)
 | |
| {
 | |
| 	u32 pri = MAX_PFC_PRIORITIES;
 | |
| 	u32 index = MAX_PFC_PRIORITIES - 1;
 | |
| 	u32 pri_mask;
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| 	u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
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| 
 | |
| 	/* Choose the highest priority */
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| 	while ((MAX_PFC_PRIORITIES == pri) && (0 != index)) {
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| 		pri_mask = 1 << index;
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| 		if (GET_FLAGS(pri_bitmap, pri_mask))
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| 			pri = index ;
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| 		index--;
 | |
| 	}
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| 
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| 	if (pri < MAX_PFC_PRIORITIES)
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| 		ttp[llfc_traf_type] = max_t(u32, ttp[llfc_traf_type], pri);
 | |
| }
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| 
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| static void bnx2x_dcbx_get_ap_feature(struct bnx2x *bp,
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| 				   struct dcbx_app_priority_feature *app,
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| 				   u32 error) {
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| 	u8 index;
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| 	u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
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| 
 | |
| 	if (GET_FLAGS(error, DCBX_LOCAL_APP_ERROR))
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| 		DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_ERROR\n");
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| 
 | |
| 	if (GET_FLAGS(error, DCBX_LOCAL_APP_MISMATCH))
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| 		DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_MISMATCH\n");
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| 
 | |
| 	if (GET_FLAGS(error, DCBX_REMOTE_APP_TLV_NOT_FOUND))
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| 		DP(BNX2X_MSG_DCB, "DCBX_REMOTE_APP_TLV_NOT_FOUND\n");
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| 	if (app->enabled &&
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| 	    !GET_FLAGS(error, DCBX_LOCAL_APP_ERROR | DCBX_LOCAL_APP_MISMATCH |
 | |
| 			      DCBX_REMOTE_APP_TLV_NOT_FOUND)) {
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| 
 | |
| 		bp->dcbx_port_params.app.enabled = true;
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| 
 | |
| 		for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++)
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| 			ttp[index] = 0;
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| 
 | |
| 		if (app->default_pri < MAX_PFC_PRIORITIES)
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| 			ttp[LLFC_TRAFFIC_TYPE_NW] = app->default_pri;
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| 
 | |
| 		for (index = 0 ; index < DCBX_MAX_APP_PROTOCOL; index++) {
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| 			struct dcbx_app_priority_entry *entry =
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| 							app->app_pri_tbl;
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| 
 | |
| 			if (GET_FLAGS(entry[index].appBitfield,
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| 				     DCBX_APP_SF_ETH_TYPE) &&
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| 			   ETH_TYPE_FCOE == entry[index].app_id)
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| 				bnx2x_dcbx_get_ap_priority(bp,
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| 						entry[index].pri_bitmap,
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| 						LLFC_TRAFFIC_TYPE_FCOE);
 | |
| 
 | |
| 			if (GET_FLAGS(entry[index].appBitfield,
 | |
| 				     DCBX_APP_SF_PORT) &&
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| 			   TCP_PORT_ISCSI == entry[index].app_id)
 | |
| 				bnx2x_dcbx_get_ap_priority(bp,
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| 						entry[index].pri_bitmap,
 | |
| 						LLFC_TRAFFIC_TYPE_ISCSI);
 | |
| 		}
 | |
| 	} else {
 | |
| 		DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_DISABLED\n");
 | |
| 		bp->dcbx_port_params.app.enabled = false;
 | |
| 		for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++)
 | |
| 			ttp[index] = INVALID_TRAFFIC_TYPE_PRIORITY;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbx_get_ets_feature(struct bnx2x *bp,
 | |
| 				       struct dcbx_ets_feature *ets,
 | |
| 				       u32 error) {
 | |
| 	int i = 0;
 | |
| 	u32 pg_pri_orginal_spread[DCBX_MAX_NUM_PG_BW_ENTRIES] = {0};
 | |
| 	struct pg_help_data pg_help_data;
 | |
| 	struct bnx2x_dcbx_cos_params *cos_params =
 | |
| 			bp->dcbx_port_params.ets.cos_params;
 | |
| 
 | |
| 	memset(&pg_help_data, 0, sizeof(struct pg_help_data));
 | |
| 
 | |
| 	if (GET_FLAGS(error, DCBX_LOCAL_ETS_ERROR))
 | |
| 		DP(BNX2X_MSG_DCB, "DCBX_LOCAL_ETS_ERROR\n");
 | |
| 
 | |
| 	if (GET_FLAGS(error, DCBX_REMOTE_ETS_TLV_NOT_FOUND))
 | |
| 		DP(BNX2X_MSG_DCB, "DCBX_REMOTE_ETS_TLV_NOT_FOUND\n");
 | |
| 
 | |
| 	/* Clean up old settings of ets on COS */
 | |
| 	for (i = 0; i < ARRAY_SIZE(bp->dcbx_port_params.ets.cos_params) ; i++) {
 | |
| 		cos_params[i].pauseable = false;
 | |
| 		cos_params[i].strict = BNX2X_DCBX_STRICT_INVALID;
 | |
| 		cos_params[i].bw_tbl = DCBX_INVALID_COS_BW;
 | |
| 		cos_params[i].pri_bitmask = 0;
 | |
| 	}
 | |
| 
 | |
| 	if (bp->dcbx_port_params.app.enabled && ets->enabled &&
 | |
| 	   !GET_FLAGS(error,
 | |
| 		      DCBX_LOCAL_ETS_ERROR | DCBX_REMOTE_ETS_TLV_NOT_FOUND)) {
 | |
| 		DP(BNX2X_MSG_DCB, "DCBX_LOCAL_ETS_ENABLE\n");
 | |
| 		bp->dcbx_port_params.ets.enabled = true;
 | |
| 
 | |
| 		bnx2x_dcbx_get_ets_pri_pg_tbl(bp,
 | |
| 					      pg_pri_orginal_spread,
 | |
| 					      ets->pri_pg_tbl);
 | |
| 
 | |
| 		bnx2x_dcbx_get_num_pg_traf_type(bp,
 | |
| 						pg_pri_orginal_spread,
 | |
| 						&pg_help_data);
 | |
| 
 | |
| 		bnx2x_dcbx_fill_cos_params(bp, &pg_help_data,
 | |
| 					   ets, pg_pri_orginal_spread);
 | |
| 
 | |
| 	} else {
 | |
| 		DP(BNX2X_MSG_DCB, "DCBX_LOCAL_ETS_DISABLED\n");
 | |
| 		bp->dcbx_port_params.ets.enabled = false;
 | |
| 		ets->pri_pg_tbl[0] = 0;
 | |
| 
 | |
| 		for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES ; i++)
 | |
| 			DCBX_PG_BW_SET(ets->pg_bw_tbl, i, 1);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void  bnx2x_dcbx_get_pfc_feature(struct bnx2x *bp,
 | |
| 					struct dcbx_pfc_feature *pfc, u32 error)
 | |
| {
 | |
| 	if (GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR))
 | |
| 		DP(BNX2X_MSG_DCB, "DCBX_LOCAL_PFC_ERROR\n");
 | |
| 
 | |
| 	if (GET_FLAGS(error, DCBX_REMOTE_PFC_TLV_NOT_FOUND))
 | |
| 		DP(BNX2X_MSG_DCB, "DCBX_REMOTE_PFC_TLV_NOT_FOUND\n");
 | |
| 	if (bp->dcbx_port_params.app.enabled && pfc->enabled &&
 | |
| 	   !GET_FLAGS(error, DCBX_LOCAL_PFC_ERROR | DCBX_LOCAL_PFC_MISMATCH |
 | |
| 			     DCBX_REMOTE_PFC_TLV_NOT_FOUND)) {
 | |
| 		bp->dcbx_port_params.pfc.enabled = true;
 | |
| 		bp->dcbx_port_params.pfc.priority_non_pauseable_mask =
 | |
| 			~(pfc->pri_en_bitmap);
 | |
| 	} else {
 | |
| 		DP(BNX2X_MSG_DCB, "DCBX_LOCAL_PFC_DISABLED\n");
 | |
| 		bp->dcbx_port_params.pfc.enabled = false;
 | |
| 		bp->dcbx_port_params.pfc.priority_non_pauseable_mask = 0;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| /* maps unmapped priorities to to the same COS as L2 */
 | |
| static void bnx2x_dcbx_map_nw(struct bnx2x *bp)
 | |
| {
 | |
| 	int i;
 | |
| 	u32 unmapped = (1 << MAX_PFC_PRIORITIES) - 1; /* all ones */
 | |
| 	u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
 | |
| 	u32 nw_prio = 1 << ttp[LLFC_TRAFFIC_TYPE_NW];
 | |
| 	struct bnx2x_dcbx_cos_params *cos_params =
 | |
| 			bp->dcbx_port_params.ets.cos_params;
 | |
| 
 | |
| 	/* get unmapped priorities by clearing mapped bits */
 | |
| 	for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++)
 | |
| 		unmapped &= ~(1 << ttp[i]);
 | |
| 
 | |
| 	/* find cos for nw prio and extend it with unmapped */
 | |
| 	for (i = 0; i < ARRAY_SIZE(bp->dcbx_port_params.ets.cos_params); i++) {
 | |
| 		if (cos_params[i].pri_bitmask & nw_prio) {
 | |
| 			/* extend the bitmask with unmapped */
 | |
| 			DP(BNX2X_MSG_DCB,
 | |
| 			   "cos %d extended with 0x%08x\n", i, unmapped);
 | |
| 			cos_params[i].pri_bitmask |= unmapped;
 | |
| 			break;
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void bnx2x_get_dcbx_drv_param(struct bnx2x *bp,
 | |
| 				     struct dcbx_features *features,
 | |
| 				     u32 error)
 | |
| {
 | |
| 	bnx2x_dcbx_get_ap_feature(bp, &features->app, error);
 | |
| 
 | |
| 	bnx2x_dcbx_get_pfc_feature(bp, &features->pfc, error);
 | |
| 
 | |
| 	bnx2x_dcbx_get_ets_feature(bp, &features->ets, error);
 | |
| 
 | |
| 	bnx2x_dcbx_map_nw(bp);
 | |
| }
 | |
| 
 | |
| #define DCBX_LOCAL_MIB_MAX_TRY_READ		(100)
 | |
| static int bnx2x_dcbx_read_mib(struct bnx2x *bp,
 | |
| 			       u32 *base_mib_addr,
 | |
| 			       u32 offset,
 | |
| 			       int read_mib_type)
 | |
| {
 | |
| 	int max_try_read = 0;
 | |
| 	u32 mib_size, prefix_seq_num, suffix_seq_num;
 | |
| 	struct lldp_remote_mib *remote_mib ;
 | |
| 	struct lldp_local_mib  *local_mib;
 | |
| 
 | |
| 	switch (read_mib_type) {
 | |
| 	case DCBX_READ_LOCAL_MIB:
 | |
| 		mib_size = sizeof(struct lldp_local_mib);
 | |
| 		break;
 | |
| 	case DCBX_READ_REMOTE_MIB:
 | |
| 		mib_size = sizeof(struct lldp_remote_mib);
 | |
| 		break;
 | |
| 	default:
 | |
| 		return 1; /*error*/
 | |
| 	}
 | |
| 
 | |
| 	offset += BP_PORT(bp) * mib_size;
 | |
| 
 | |
| 	do {
 | |
| 		bnx2x_read_data(bp, base_mib_addr, offset, mib_size);
 | |
| 
 | |
| 		max_try_read++;
 | |
| 
 | |
| 		switch (read_mib_type) {
 | |
| 		case DCBX_READ_LOCAL_MIB:
 | |
| 			local_mib = (struct lldp_local_mib *) base_mib_addr;
 | |
| 			prefix_seq_num = local_mib->prefix_seq_num;
 | |
| 			suffix_seq_num = local_mib->suffix_seq_num;
 | |
| 			break;
 | |
| 		case DCBX_READ_REMOTE_MIB:
 | |
| 			remote_mib = (struct lldp_remote_mib *) base_mib_addr;
 | |
| 			prefix_seq_num = remote_mib->prefix_seq_num;
 | |
| 			suffix_seq_num = remote_mib->suffix_seq_num;
 | |
| 			break;
 | |
| 		default:
 | |
| 			return 1; /*error*/
 | |
| 		}
 | |
| 	} while ((prefix_seq_num != suffix_seq_num) &&
 | |
| 	       (max_try_read < DCBX_LOCAL_MIB_MAX_TRY_READ));
 | |
| 
 | |
| 	if (max_try_read >= DCBX_LOCAL_MIB_MAX_TRY_READ) {
 | |
| 		BNX2X_ERR("MIB could not be read\n");
 | |
| 		return 1;
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static void bnx2x_pfc_set_pfc(struct bnx2x *bp)
 | |
| {
 | |
| 	int mfw_configured = SHMEM2_HAS(bp, drv_flags) &&
 | |
| 			     GET_FLAGS(SHMEM2_RD(bp, drv_flags),
 | |
| 				       1 << DRV_FLAGS_DCB_MFW_CONFIGURED);
 | |
| 
 | |
| 	if (bp->dcbx_port_params.pfc.enabled &&
 | |
| 	    (!(bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) || mfw_configured))
 | |
| 		/*
 | |
| 		 * 1. Fills up common PFC structures if required
 | |
| 		 * 2. Configure NIG, MAC and BRB via the elink
 | |
| 		 */
 | |
| 		bnx2x_pfc_set(bp);
 | |
| 	else
 | |
| 		bnx2x_pfc_clear(bp);
 | |
| }
 | |
| 
 | |
| int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp)
 | |
| {
 | |
| 	struct bnx2x_func_state_params func_params = {NULL};
 | |
| 	int rc;
 | |
| 
 | |
| 	func_params.f_obj = &bp->func_obj;
 | |
| 	func_params.cmd = BNX2X_F_CMD_TX_STOP;
 | |
| 
 | |
| 	__set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
 | |
| 	__set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
 | |
| 
 | |
| 	DP(BNX2X_MSG_DCB, "STOP TRAFFIC\n");
 | |
| 
 | |
| 	rc = bnx2x_func_state_change(bp, &func_params);
 | |
| 	if (rc) {
 | |
| 		BNX2X_ERR("Unable to hold traffic for HW configuration\n");
 | |
| 		bnx2x_panic();
 | |
| 	}
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp)
 | |
| {
 | |
| 	struct bnx2x_func_state_params func_params = {NULL};
 | |
| 	struct bnx2x_func_tx_start_params *tx_params =
 | |
| 		&func_params.params.tx_start;
 | |
| 	int rc;
 | |
| 
 | |
| 	func_params.f_obj = &bp->func_obj;
 | |
| 	func_params.cmd = BNX2X_F_CMD_TX_START;
 | |
| 
 | |
| 	__set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
 | |
| 	__set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
 | |
| 
 | |
| 	bnx2x_dcbx_fw_struct(bp, tx_params);
 | |
| 
 | |
| 	DP(BNX2X_MSG_DCB, "START TRAFFIC\n");
 | |
| 
 | |
| 	rc = bnx2x_func_state_change(bp, &func_params);
 | |
| 	if (rc) {
 | |
| 		BNX2X_ERR("Unable to resume traffic after HW configuration\n");
 | |
| 		bnx2x_panic();
 | |
| 	}
 | |
| 
 | |
| 	return rc;
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbx_2cos_limit_update_ets_config(struct bnx2x *bp)
 | |
| {
 | |
| 	struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets);
 | |
| 	int rc = 0;
 | |
| 
 | |
| 	if (ets->num_of_cos == 0 || ets->num_of_cos > DCBX_COS_MAX_NUM_E2) {
 | |
| 		BNX2X_ERR("Illegal number of COSes %d\n", ets->num_of_cos);
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	/* valid COS entries */
 | |
| 	if (ets->num_of_cos == 1)   /* no ETS */
 | |
| 		return;
 | |
| 
 | |
| 	/* sanity */
 | |
| 	if (((BNX2X_DCBX_STRICT_INVALID == ets->cos_params[0].strict) &&
 | |
| 	     (DCBX_INVALID_COS_BW == ets->cos_params[0].bw_tbl)) ||
 | |
| 	    ((BNX2X_DCBX_STRICT_INVALID == ets->cos_params[1].strict) &&
 | |
| 	     (DCBX_INVALID_COS_BW == ets->cos_params[1].bw_tbl))) {
 | |
| 		BNX2X_ERR("all COS should have at least bw_limit or strict"
 | |
| 			    "ets->cos_params[0].strict= %x"
 | |
| 			    "ets->cos_params[0].bw_tbl= %x"
 | |
| 			    "ets->cos_params[1].strict= %x"
 | |
| 			    "ets->cos_params[1].bw_tbl= %x",
 | |
| 			  ets->cos_params[0].strict,
 | |
| 			  ets->cos_params[0].bw_tbl,
 | |
| 			  ets->cos_params[1].strict,
 | |
| 			  ets->cos_params[1].bw_tbl);
 | |
| 		return;
 | |
| 	}
 | |
| 	/* If we join a group and there is bw_tbl and strict then bw rules */
 | |
| 	if ((DCBX_INVALID_COS_BW != ets->cos_params[0].bw_tbl) &&
 | |
| 	    (DCBX_INVALID_COS_BW != ets->cos_params[1].bw_tbl)) {
 | |
| 		u32 bw_tbl_0 = ets->cos_params[0].bw_tbl;
 | |
| 		u32 bw_tbl_1 = ets->cos_params[1].bw_tbl;
 | |
| 		/* Do not allow 0-100 configuration
 | |
| 		 * since PBF does not support it
 | |
| 		 * force 1-99 instead
 | |
| 		 */
 | |
| 		if (bw_tbl_0 == 0) {
 | |
| 			bw_tbl_0 = 1;
 | |
| 			bw_tbl_1 = 99;
 | |
| 		} else if (bw_tbl_1 == 0) {
 | |
| 			bw_tbl_1 = 1;
 | |
| 			bw_tbl_0 = 99;
 | |
| 		}
 | |
| 
 | |
| 		bnx2x_ets_bw_limit(&bp->link_params, bw_tbl_0, bw_tbl_1);
 | |
| 	} else {
 | |
| 		if (ets->cos_params[0].strict == BNX2X_DCBX_STRICT_COS_HIGHEST)
 | |
| 			rc = bnx2x_ets_strict(&bp->link_params, 0);
 | |
| 		else if (ets->cos_params[1].strict
 | |
| 					== BNX2X_DCBX_STRICT_COS_HIGHEST)
 | |
| 			rc = bnx2x_ets_strict(&bp->link_params, 1);
 | |
| 		if (rc)
 | |
| 			BNX2X_ERR("update_ets_params failed\n");
 | |
| 	}
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * In E3B0 the configuration may have more than 2 COS.
 | |
|  */
 | |
| static void bnx2x_dcbx_update_ets_config(struct bnx2x *bp)
 | |
| {
 | |
| 	struct bnx2x_dcbx_pg_params *ets = &(bp->dcbx_port_params.ets);
 | |
| 	struct bnx2x_ets_params ets_params = { 0 };
 | |
| 	u8 i;
 | |
| 
 | |
| 	ets_params.num_of_cos = ets->num_of_cos;
 | |
| 
 | |
| 	for (i = 0; i < ets->num_of_cos; i++) {
 | |
| 		/* COS is SP */
 | |
| 		if (ets->cos_params[i].strict != BNX2X_DCBX_STRICT_INVALID) {
 | |
| 			if (ets->cos_params[i].bw_tbl != DCBX_INVALID_COS_BW) {
 | |
| 				BNX2X_ERR("COS can't be not BW and not SP\n");
 | |
| 				return;
 | |
| 			}
 | |
| 
 | |
| 			ets_params.cos[i].state = bnx2x_cos_state_strict;
 | |
| 			ets_params.cos[i].params.sp_params.pri =
 | |
| 						ets->cos_params[i].strict;
 | |
| 		} else { /* COS is BW */
 | |
| 			if (ets->cos_params[i].bw_tbl == DCBX_INVALID_COS_BW) {
 | |
| 				BNX2X_ERR("COS can't be not BW and not SP\n");
 | |
| 				return;
 | |
| 			}
 | |
| 			ets_params.cos[i].state = bnx2x_cos_state_bw;
 | |
| 			ets_params.cos[i].params.bw_params.bw =
 | |
| 						(u8)ets->cos_params[i].bw_tbl;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	/* Configure the ETS in HW */
 | |
| 	if (bnx2x_ets_e3b0_config(&bp->link_params, &bp->link_vars,
 | |
| 				  &ets_params)) {
 | |
| 		BNX2X_ERR("bnx2x_ets_e3b0_config failed\n");
 | |
| 		bnx2x_ets_disabled(&bp->link_params, &bp->link_vars);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp)
 | |
| {
 | |
| 	int mfw_configured = SHMEM2_HAS(bp, drv_flags) &&
 | |
| 			     GET_FLAGS(SHMEM2_RD(bp, drv_flags),
 | |
| 				       1 << DRV_FLAGS_DCB_MFW_CONFIGURED);
 | |
| 
 | |
| 	bnx2x_ets_disabled(&bp->link_params, &bp->link_vars);
 | |
| 
 | |
| 	if (!bp->dcbx_port_params.ets.enabled ||
 | |
| 	    ((bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) && !mfw_configured))
 | |
| 		return;
 | |
| 
 | |
| 	if (CHIP_IS_E3B0(bp))
 | |
| 		bnx2x_dcbx_update_ets_config(bp);
 | |
| 	else
 | |
| 		bnx2x_dcbx_2cos_limit_update_ets_config(bp);
 | |
| }
 | |
| 
 | |
| #ifdef BCM_DCBNL
 | |
| static int bnx2x_dcbx_read_shmem_remote_mib(struct bnx2x *bp)
 | |
| {
 | |
| 	struct lldp_remote_mib remote_mib = {0};
 | |
| 	u32 dcbx_remote_mib_offset = SHMEM2_RD(bp, dcbx_remote_mib_offset);
 | |
| 	int rc;
 | |
| 
 | |
| 	DP(BNX2X_MSG_DCB, "dcbx_remote_mib_offset 0x%x\n",
 | |
| 	   dcbx_remote_mib_offset);
 | |
| 
 | |
| 	if (SHMEM_DCBX_REMOTE_MIB_NONE == dcbx_remote_mib_offset) {
 | |
| 		BNX2X_ERR("FW doesn't support dcbx_remote_mib_offset\n");
 | |
| 		return -EINVAL;
 | |
| 	}
 | |
| 
 | |
| 	rc = bnx2x_dcbx_read_mib(bp, (u32 *)&remote_mib, dcbx_remote_mib_offset,
 | |
| 				 DCBX_READ_REMOTE_MIB);
 | |
| 
 | |
| 	if (rc) {
 | |
| 		BNX2X_ERR("Failed to read remote mib from FW\n");
 | |
| 		return rc;
 | |
| 	}
 | |
| 
 | |
| 	/* save features and flags */
 | |
| 	bp->dcbx_remote_feat = remote_mib.features;
 | |
| 	bp->dcbx_remote_flags = remote_mib.flags;
 | |
| 	return 0;
 | |
| }
 | |
| #endif
 | |
| 
 | |
| static int bnx2x_dcbx_read_shmem_neg_results(struct bnx2x *bp)
 | |
| {
 | |
| 	struct lldp_local_mib local_mib = {0};
 | |
| 	u32 dcbx_neg_res_offset = SHMEM2_RD(bp, dcbx_neg_res_offset);
 | |
| 	int rc;
 | |
| 
 | |
| 	DP(BNX2X_MSG_DCB, "dcbx_neg_res_offset 0x%x\n", dcbx_neg_res_offset);
 | |
| 
 | |
| 	if (SHMEM_DCBX_NEG_RES_NONE == dcbx_neg_res_offset) {
 | |
| 		BNX2X_ERR("FW doesn't support dcbx_neg_res_offset\n");
 | |
| 		return -EINVAL;
 | |
| 	}
 | |
| 
 | |
| 	rc = bnx2x_dcbx_read_mib(bp, (u32 *)&local_mib, dcbx_neg_res_offset,
 | |
| 				 DCBX_READ_LOCAL_MIB);
 | |
| 
 | |
| 	if (rc) {
 | |
| 		BNX2X_ERR("Failed to read local mib from FW\n");
 | |
| 		return rc;
 | |
| 	}
 | |
| 
 | |
| 	/* save features and error */
 | |
| 	bp->dcbx_local_feat = local_mib.features;
 | |
| 	bp->dcbx_error = local_mib.error;
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| #ifdef BCM_DCBNL
 | |
| static inline
 | |
| u8 bnx2x_dcbx_dcbnl_app_up(struct dcbx_app_priority_entry *ent)
 | |
| {
 | |
| 	u8 pri;
 | |
| 
 | |
| 	/* Choose the highest priority */
 | |
| 	for (pri = MAX_PFC_PRIORITIES - 1; pri > 0; pri--)
 | |
| 		if (ent->pri_bitmap & (1 << pri))
 | |
| 			break;
 | |
| 	return pri;
 | |
| }
 | |
| 
 | |
| static inline
 | |
| u8 bnx2x_dcbx_dcbnl_app_idtype(struct dcbx_app_priority_entry *ent)
 | |
| {
 | |
| 	return ((ent->appBitfield & DCBX_APP_ENTRY_SF_MASK) ==
 | |
| 		DCBX_APP_SF_PORT) ? DCB_APP_IDTYPE_PORTNUM :
 | |
| 		DCB_APP_IDTYPE_ETHTYPE;
 | |
| }
 | |
| 
 | |
| int bnx2x_dcbnl_update_applist(struct bnx2x *bp, bool delall)
 | |
| {
 | |
| 	int i, err = 0;
 | |
| 
 | |
| 	for (i = 0; i < DCBX_MAX_APP_PROTOCOL && err == 0; i++) {
 | |
| 		struct dcbx_app_priority_entry *ent =
 | |
| 			&bp->dcbx_local_feat.app.app_pri_tbl[i];
 | |
| 
 | |
| 		if (ent->appBitfield & DCBX_APP_ENTRY_VALID) {
 | |
| 			u8 up = bnx2x_dcbx_dcbnl_app_up(ent);
 | |
| 
 | |
| 			/* avoid invalid user-priority */
 | |
| 			if (up) {
 | |
| 				struct dcb_app app;
 | |
| 				app.selector = bnx2x_dcbx_dcbnl_app_idtype(ent);
 | |
| 				app.protocol = ent->app_id;
 | |
| 				app.priority = delall ? 0 : up;
 | |
| 				err = dcb_setapp(bp->dev, &app);
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	return err;
 | |
| }
 | |
| #endif
 | |
| 
 | |
| static inline void bnx2x_dcbx_update_tc_mapping(struct bnx2x *bp)
 | |
| {
 | |
| 	u8 prio, cos;
 | |
| 	for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++) {
 | |
| 		for (prio = 0; prio < BNX2X_MAX_PRIORITY; prio++) {
 | |
| 			if (bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask
 | |
| 			    & (1 << prio)) {
 | |
| 				bp->prio_to_cos[prio] = cos;
 | |
| 				DP(BNX2X_MSG_DCB,
 | |
| 				   "tx_mapping %d --> %d\n", prio, cos);
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	/* setup tc must be called under rtnl lock, but we can't take it here
 | |
| 	 * as we are handling an attention on a work queue which must be
 | |
| 	 * flushed at some rtnl-locked contexts (e.g. if down)
 | |
| 	 */
 | |
| 	bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_SETUP_TC, 0);
 | |
| }
 | |
| 
 | |
| void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
 | |
| {
 | |
| 	switch (state) {
 | |
| 	case BNX2X_DCBX_STATE_NEG_RECEIVED:
 | |
| 		{
 | |
| 			DP(BNX2X_MSG_DCB, "BNX2X_DCBX_STATE_NEG_RECEIVED\n");
 | |
| #ifdef BCM_DCBNL
 | |
| 			/**
 | |
| 			 * Delete app tlvs from dcbnl before reading new
 | |
| 			 * negotiation results
 | |
| 			 */
 | |
| 			bnx2x_dcbnl_update_applist(bp, true);
 | |
| 
 | |
| 			/* Read remote mib if dcbx is in the FW */
 | |
| 			if (bnx2x_dcbx_read_shmem_remote_mib(bp))
 | |
| 				return;
 | |
| #endif
 | |
| 			/* Read neg results if dcbx is in the FW */
 | |
| 			if (bnx2x_dcbx_read_shmem_neg_results(bp))
 | |
| 				return;
 | |
| 
 | |
| 			bnx2x_dump_dcbx_drv_param(bp, &bp->dcbx_local_feat,
 | |
| 						  bp->dcbx_error);
 | |
| 
 | |
| 			bnx2x_get_dcbx_drv_param(bp, &bp->dcbx_local_feat,
 | |
| 						 bp->dcbx_error);
 | |
| 
 | |
| 			/* mark DCBX result for PMF migration */
 | |
| 			bnx2x_update_drv_flags(bp,
 | |
| 					       1 << DRV_FLAGS_DCB_CONFIGURED,
 | |
| 					       1);
 | |
| #ifdef BCM_DCBNL
 | |
| 			/*
 | |
| 			 * Add new app tlvs to dcbnl
 | |
| 			 */
 | |
| 			bnx2x_dcbnl_update_applist(bp, false);
 | |
| #endif
 | |
| 			/*
 | |
| 			 * reconfigure the netdevice with the results of the new
 | |
| 			 * dcbx negotiation.
 | |
| 			 */
 | |
| 			bnx2x_dcbx_update_tc_mapping(bp);
 | |
| 
 | |
| 			/*
 | |
| 			 * allow other functions to update their netdevices
 | |
| 			 * accordingly
 | |
| 			 */
 | |
| 			if (IS_MF(bp))
 | |
| 				bnx2x_link_sync_notify(bp);
 | |
| 
 | |
| 			bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_TX_STOP, 0);
 | |
| 			return;
 | |
| 		}
 | |
| 	case BNX2X_DCBX_STATE_TX_PAUSED:
 | |
| 		DP(BNX2X_MSG_DCB, "BNX2X_DCBX_STATE_TX_PAUSED\n");
 | |
| 		bnx2x_pfc_set_pfc(bp);
 | |
| 
 | |
| 		bnx2x_dcbx_update_ets_params(bp);
 | |
| 
 | |
| 		/* ets may affect cmng configuration: reinit it in hw */
 | |
| 		bnx2x_set_local_cmng(bp);
 | |
| 		return;
 | |
| 	case BNX2X_DCBX_STATE_TX_RELEASED:
 | |
| 		DP(BNX2X_MSG_DCB, "BNX2X_DCBX_STATE_TX_RELEASED\n");
 | |
| 		bnx2x_fw_command(bp, DRV_MSG_CODE_DCBX_PMF_DRV_OK, 0);
 | |
| #ifdef BCM_DCBNL
 | |
| 		/*
 | |
| 		 * Send a notification for the new negotiated parameters
 | |
| 		 */
 | |
| 		dcbnl_cee_notify(bp->dev, RTM_GETDCB, DCB_CMD_CEE_GET, 0, 0);
 | |
| #endif
 | |
| 		return;
 | |
| 	default:
 | |
| 		BNX2X_ERR("Unknown DCBX_STATE\n");
 | |
| 	}
 | |
| }
 | |
| 
 | |
| #define LLDP_ADMIN_MIB_OFFSET(bp)	(PORT_MAX*sizeof(struct lldp_params) + \
 | |
| 				      BP_PORT(bp)*sizeof(struct lldp_admin_mib))
 | |
| 
 | |
| static void bnx2x_dcbx_admin_mib_updated_params(struct bnx2x *bp,
 | |
| 				u32 dcbx_lldp_params_offset)
 | |
| {
 | |
| 	struct lldp_admin_mib admin_mib;
 | |
| 	u32 i, other_traf_type = PREDEFINED_APP_IDX_MAX, traf_type = 0;
 | |
| 	u32 offset = dcbx_lldp_params_offset + LLDP_ADMIN_MIB_OFFSET(bp);
 | |
| 
 | |
| 	/*shortcuts*/
 | |
| 	struct dcbx_features *af = &admin_mib.features;
 | |
| 	struct bnx2x_config_dcbx_params *dp = &bp->dcbx_config_params;
 | |
| 
 | |
| 	memset(&admin_mib, 0, sizeof(struct lldp_admin_mib));
 | |
| 
 | |
| 	/* Read the data first */
 | |
| 	bnx2x_read_data(bp, (u32 *)&admin_mib, offset,
 | |
| 			sizeof(struct lldp_admin_mib));
 | |
| 
 | |
| 	if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON)
 | |
| 		SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED);
 | |
| 	else
 | |
| 		RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_DCBX_ENABLED);
 | |
| 
 | |
| 	if (dp->overwrite_settings == BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE) {
 | |
| 
 | |
| 		RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_CEE_VERSION_MASK);
 | |
| 		admin_mib.ver_cfg_flags |=
 | |
| 			(dp->admin_dcbx_version << DCBX_CEE_VERSION_SHIFT) &
 | |
| 			 DCBX_CEE_VERSION_MASK;
 | |
| 
 | |
| 		af->ets.enabled = (u8)dp->admin_ets_enable;
 | |
| 
 | |
| 		af->pfc.enabled = (u8)dp->admin_pfc_enable;
 | |
| 
 | |
| 		/* FOR IEEE dp->admin_tc_supported_tx_enable */
 | |
| 		if (dp->admin_ets_configuration_tx_enable)
 | |
| 			SET_FLAGS(admin_mib.ver_cfg_flags,
 | |
| 				  DCBX_ETS_CONFIG_TX_ENABLED);
 | |
| 		else
 | |
| 			RESET_FLAGS(admin_mib.ver_cfg_flags,
 | |
| 				    DCBX_ETS_CONFIG_TX_ENABLED);
 | |
| 		/* For IEEE admin_ets_recommendation_tx_enable */
 | |
| 		if (dp->admin_pfc_tx_enable)
 | |
| 			SET_FLAGS(admin_mib.ver_cfg_flags,
 | |
| 				  DCBX_PFC_CONFIG_TX_ENABLED);
 | |
| 		else
 | |
| 			RESET_FLAGS(admin_mib.ver_cfg_flags,
 | |
| 				  DCBX_PFC_CONFIG_TX_ENABLED);
 | |
| 
 | |
| 		if (dp->admin_application_priority_tx_enable)
 | |
| 			SET_FLAGS(admin_mib.ver_cfg_flags,
 | |
| 				  DCBX_APP_CONFIG_TX_ENABLED);
 | |
| 		else
 | |
| 			RESET_FLAGS(admin_mib.ver_cfg_flags,
 | |
| 				  DCBX_APP_CONFIG_TX_ENABLED);
 | |
| 
 | |
| 		if (dp->admin_ets_willing)
 | |
| 			SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING);
 | |
| 		else
 | |
| 			RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_ETS_WILLING);
 | |
| 		/* For IEEE admin_ets_reco_valid */
 | |
| 		if (dp->admin_pfc_willing)
 | |
| 			SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING);
 | |
| 		else
 | |
| 			RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_PFC_WILLING);
 | |
| 
 | |
| 		if (dp->admin_app_priority_willing)
 | |
| 			SET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING);
 | |
| 		else
 | |
| 			RESET_FLAGS(admin_mib.ver_cfg_flags, DCBX_APP_WILLING);
 | |
| 
 | |
| 		for (i = 0 ; i < DCBX_MAX_NUM_PG_BW_ENTRIES; i++) {
 | |
| 			DCBX_PG_BW_SET(af->ets.pg_bw_tbl, i,
 | |
| 				(u8)dp->admin_configuration_bw_precentage[i]);
 | |
| 
 | |
| 			DP(BNX2X_MSG_DCB, "pg_bw_tbl[%d] = %02x\n",
 | |
| 			   i, DCBX_PG_BW_GET(af->ets.pg_bw_tbl, i));
 | |
| 		}
 | |
| 
 | |
| 		for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) {
 | |
| 			DCBX_PRI_PG_SET(af->ets.pri_pg_tbl, i,
 | |
| 					(u8)dp->admin_configuration_ets_pg[i]);
 | |
| 
 | |
| 			DP(BNX2X_MSG_DCB, "pri_pg_tbl[%d] = %02x\n",
 | |
| 			   i, DCBX_PRI_PG_GET(af->ets.pri_pg_tbl, i));
 | |
| 		}
 | |
| 
 | |
| 		/*For IEEE admin_recommendation_bw_percentage
 | |
| 		 *For IEEE admin_recommendation_ets_pg */
 | |
| 		af->pfc.pri_en_bitmap = (u8)dp->admin_pfc_bitmap;
 | |
| 		for (i = 0; i < DCBX_CONFIG_MAX_APP_PROTOCOL; i++) {
 | |
| 			if (dp->admin_priority_app_table[i].valid) {
 | |
| 				struct bnx2x_admin_priority_app_table *table =
 | |
| 					dp->admin_priority_app_table;
 | |
| 				if ((ETH_TYPE_FCOE == table[i].app_id) &&
 | |
| 				   (TRAFFIC_TYPE_ETH == table[i].traffic_type))
 | |
| 					traf_type = FCOE_APP_IDX;
 | |
| 				else if ((TCP_PORT_ISCSI == table[i].app_id) &&
 | |
| 				   (TRAFFIC_TYPE_PORT == table[i].traffic_type))
 | |
| 					traf_type = ISCSI_APP_IDX;
 | |
| 				else
 | |
| 					traf_type = other_traf_type++;
 | |
| 
 | |
| 				af->app.app_pri_tbl[traf_type].app_id =
 | |
| 					table[i].app_id;
 | |
| 
 | |
| 				af->app.app_pri_tbl[traf_type].pri_bitmap =
 | |
| 					(u8)(1 << table[i].priority);
 | |
| 
 | |
| 				af->app.app_pri_tbl[traf_type].appBitfield =
 | |
| 				    (DCBX_APP_ENTRY_VALID);
 | |
| 
 | |
| 				af->app.app_pri_tbl[traf_type].appBitfield |=
 | |
| 				   (TRAFFIC_TYPE_ETH == table[i].traffic_type) ?
 | |
| 					DCBX_APP_SF_ETH_TYPE : DCBX_APP_SF_PORT;
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		af->app.default_pri = (u8)dp->admin_default_priority;
 | |
| 	}
 | |
| 
 | |
| 	/* Write the data. */
 | |
| 	bnx2x_write_data(bp, (u32 *)&admin_mib, offset,
 | |
| 			 sizeof(struct lldp_admin_mib));
 | |
| }
 | |
| 
 | |
| void bnx2x_dcbx_set_state(struct bnx2x *bp, bool dcb_on, u32 dcbx_enabled)
 | |
| {
 | |
| 	if (!CHIP_IS_E1x(bp)) {
 | |
| 		bp->dcb_state = dcb_on;
 | |
| 		bp->dcbx_enabled = dcbx_enabled;
 | |
| 	} else {
 | |
| 		bp->dcb_state = false;
 | |
| 		bp->dcbx_enabled = BNX2X_DCBX_ENABLED_INVALID;
 | |
| 	}
 | |
| 	DP(BNX2X_MSG_DCB, "DCB state [%s:%s]\n",
 | |
| 	   dcb_on ? "ON" : "OFF",
 | |
| 	   dcbx_enabled == BNX2X_DCBX_ENABLED_OFF ? "user-mode" :
 | |
| 	   dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF ? "on-chip static" :
 | |
| 	   dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_ON ?
 | |
| 	   "on-chip with negotiation" : "invalid");
 | |
| }
 | |
| 
 | |
| void bnx2x_dcbx_init_params(struct bnx2x *bp)
 | |
| {
 | |
| 	bp->dcbx_config_params.admin_dcbx_version = 0x0; /* 0 - CEE; 1 - IEEE */
 | |
| 	bp->dcbx_config_params.admin_ets_willing = 1;
 | |
| 	bp->dcbx_config_params.admin_pfc_willing = 1;
 | |
| 	bp->dcbx_config_params.overwrite_settings = 1;
 | |
| 	bp->dcbx_config_params.admin_ets_enable = 1;
 | |
| 	bp->dcbx_config_params.admin_pfc_enable = 1;
 | |
| 	bp->dcbx_config_params.admin_tc_supported_tx_enable = 1;
 | |
| 	bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1;
 | |
| 	bp->dcbx_config_params.admin_pfc_tx_enable = 1;
 | |
| 	bp->dcbx_config_params.admin_application_priority_tx_enable = 1;
 | |
| 	bp->dcbx_config_params.admin_ets_reco_valid = 1;
 | |
| 	bp->dcbx_config_params.admin_app_priority_willing = 1;
 | |
| 	bp->dcbx_config_params.admin_configuration_bw_precentage[0] = 100;
 | |
| 	bp->dcbx_config_params.admin_configuration_bw_precentage[1] = 0;
 | |
| 	bp->dcbx_config_params.admin_configuration_bw_precentage[2] = 0;
 | |
| 	bp->dcbx_config_params.admin_configuration_bw_precentage[3] = 0;
 | |
| 	bp->dcbx_config_params.admin_configuration_bw_precentage[4] = 0;
 | |
| 	bp->dcbx_config_params.admin_configuration_bw_precentage[5] = 0;
 | |
| 	bp->dcbx_config_params.admin_configuration_bw_precentage[6] = 0;
 | |
| 	bp->dcbx_config_params.admin_configuration_bw_precentage[7] = 0;
 | |
| 	bp->dcbx_config_params.admin_configuration_ets_pg[0] = 0;
 | |
| 	bp->dcbx_config_params.admin_configuration_ets_pg[1] = 0;
 | |
| 	bp->dcbx_config_params.admin_configuration_ets_pg[2] = 0;
 | |
| 	bp->dcbx_config_params.admin_configuration_ets_pg[3] = 0;
 | |
| 	bp->dcbx_config_params.admin_configuration_ets_pg[4] = 0;
 | |
| 	bp->dcbx_config_params.admin_configuration_ets_pg[5] = 0;
 | |
| 	bp->dcbx_config_params.admin_configuration_ets_pg[6] = 0;
 | |
| 	bp->dcbx_config_params.admin_configuration_ets_pg[7] = 0;
 | |
| 	bp->dcbx_config_params.admin_recommendation_bw_precentage[0] = 100;
 | |
| 	bp->dcbx_config_params.admin_recommendation_bw_precentage[1] = 0;
 | |
| 	bp->dcbx_config_params.admin_recommendation_bw_precentage[2] = 0;
 | |
| 	bp->dcbx_config_params.admin_recommendation_bw_precentage[3] = 0;
 | |
| 	bp->dcbx_config_params.admin_recommendation_bw_precentage[4] = 0;
 | |
| 	bp->dcbx_config_params.admin_recommendation_bw_precentage[5] = 0;
 | |
| 	bp->dcbx_config_params.admin_recommendation_bw_precentage[6] = 0;
 | |
| 	bp->dcbx_config_params.admin_recommendation_bw_precentage[7] = 0;
 | |
| 	bp->dcbx_config_params.admin_recommendation_ets_pg[0] = 0;
 | |
| 	bp->dcbx_config_params.admin_recommendation_ets_pg[1] = 1;
 | |
| 	bp->dcbx_config_params.admin_recommendation_ets_pg[2] = 2;
 | |
| 	bp->dcbx_config_params.admin_recommendation_ets_pg[3] = 3;
 | |
| 	bp->dcbx_config_params.admin_recommendation_ets_pg[4] = 4;
 | |
| 	bp->dcbx_config_params.admin_recommendation_ets_pg[5] = 5;
 | |
| 	bp->dcbx_config_params.admin_recommendation_ets_pg[6] = 6;
 | |
| 	bp->dcbx_config_params.admin_recommendation_ets_pg[7] = 7;
 | |
| 	bp->dcbx_config_params.admin_pfc_bitmap = 0x0;
 | |
| 	bp->dcbx_config_params.admin_priority_app_table[0].valid = 0;
 | |
| 	bp->dcbx_config_params.admin_priority_app_table[1].valid = 0;
 | |
| 	bp->dcbx_config_params.admin_priority_app_table[2].valid = 0;
 | |
| 	bp->dcbx_config_params.admin_priority_app_table[3].valid = 0;
 | |
| 	bp->dcbx_config_params.admin_default_priority = 0;
 | |
| }
 | |
| 
 | |
| void bnx2x_dcbx_init(struct bnx2x *bp, bool update_shmem)
 | |
| {
 | |
| 	u32 dcbx_lldp_params_offset = SHMEM_LLDP_DCBX_PARAMS_NONE;
 | |
| 
 | |
| 	/* only PMF can send ADMIN msg to MFW in old MFW versions */
 | |
| 	if ((!bp->port.pmf) && (!(bp->flags & BC_SUPPORTS_DCBX_MSG_NON_PMF)))
 | |
| 		return;
 | |
| 
 | |
| 	if (bp->dcbx_enabled <= 0)
 | |
| 		return;
 | |
| 
 | |
| 	/* validate:
 | |
| 	 * chip of good for dcbx version,
 | |
| 	 * dcb is wanted
 | |
| 	 * shmem2 contains DCBX support fields
 | |
| 	 */
 | |
| 	DP(BNX2X_MSG_DCB, "dcb_state %d bp->port.pmf %d\n",
 | |
| 	   bp->dcb_state, bp->port.pmf);
 | |
| 
 | |
| 	if (bp->dcb_state == BNX2X_DCB_STATE_ON &&
 | |
| 	    SHMEM2_HAS(bp, dcbx_lldp_params_offset)) {
 | |
| 		dcbx_lldp_params_offset =
 | |
| 			SHMEM2_RD(bp, dcbx_lldp_params_offset);
 | |
| 
 | |
| 		DP(BNX2X_MSG_DCB, "dcbx_lldp_params_offset 0x%x\n",
 | |
| 		   dcbx_lldp_params_offset);
 | |
| 
 | |
| 		bnx2x_update_drv_flags(bp, 1 << DRV_FLAGS_DCB_CONFIGURED, 0);
 | |
| 
 | |
| 		if (SHMEM_LLDP_DCBX_PARAMS_NONE != dcbx_lldp_params_offset) {
 | |
| 			/* need HW lock to avoid scenario of two drivers
 | |
| 			 * writing in parallel to shmem
 | |
| 			 */
 | |
| 			bnx2x_acquire_hw_lock(bp,
 | |
| 					      HW_LOCK_RESOURCE_DCBX_ADMIN_MIB);
 | |
| 			if (update_shmem)
 | |
| 				bnx2x_dcbx_admin_mib_updated_params(bp,
 | |
| 					dcbx_lldp_params_offset);
 | |
| 
 | |
| 			/* Let HW start negotiation */
 | |
| 			bnx2x_fw_command(bp,
 | |
| 					 DRV_MSG_CODE_DCBX_ADMIN_PMF_MSG, 0);
 | |
| 			/* release HW lock only after MFW acks that it finished
 | |
| 			 * reading values from shmem
 | |
| 			 */
 | |
| 			bnx2x_release_hw_lock(bp,
 | |
| 					      HW_LOCK_RESOURCE_DCBX_ADMIN_MIB);
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| static void
 | |
| bnx2x_dcbx_print_cos_params(struct bnx2x *bp,
 | |
| 			    struct bnx2x_func_tx_start_params *pfc_fw_cfg)
 | |
| {
 | |
| 	u8 pri = 0;
 | |
| 	u8 cos = 0;
 | |
| 
 | |
| 	DP(BNX2X_MSG_DCB,
 | |
| 	   "pfc_fw_cfg->dcb_version %x\n", pfc_fw_cfg->dcb_version);
 | |
| 	DP(BNX2X_MSG_DCB,
 | |
| 	   "pdev->params.dcbx_port_params.pfc.priority_non_pauseable_mask %x\n",
 | |
| 	   bp->dcbx_port_params.pfc.priority_non_pauseable_mask);
 | |
| 
 | |
| 	for (cos = 0 ; cos < bp->dcbx_port_params.ets.num_of_cos ; cos++) {
 | |
| 		DP(BNX2X_MSG_DCB,
 | |
| 		   "pdev->params.dcbx_port_params.ets.cos_params[%d].pri_bitmask %x\n",
 | |
| 		   cos, bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask);
 | |
| 
 | |
| 		DP(BNX2X_MSG_DCB,
 | |
| 		   "pdev->params.dcbx_port_params.ets.cos_params[%d].bw_tbl %x\n",
 | |
| 		   cos, bp->dcbx_port_params.ets.cos_params[cos].bw_tbl);
 | |
| 
 | |
| 		DP(BNX2X_MSG_DCB,
 | |
| 		   "pdev->params.dcbx_port_params.ets.cos_params[%d].strict %x\n",
 | |
| 		   cos, bp->dcbx_port_params.ets.cos_params[cos].strict);
 | |
| 
 | |
| 		DP(BNX2X_MSG_DCB,
 | |
| 		   "pdev->params.dcbx_port_params.ets.cos_params[%d].pauseable %x\n",
 | |
| 		   cos, bp->dcbx_port_params.ets.cos_params[cos].pauseable);
 | |
| 	}
 | |
| 
 | |
| 	for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) {
 | |
| 		DP(BNX2X_MSG_DCB,
 | |
| 		   "pfc_fw_cfg->traffic_type_to_priority_cos[%d].priority %x\n",
 | |
| 		   pri, pfc_fw_cfg->traffic_type_to_priority_cos[pri].priority);
 | |
| 
 | |
| 		DP(BNX2X_MSG_DCB,
 | |
| 		   "pfc_fw_cfg->traffic_type_to_priority_cos[%d].cos %x\n",
 | |
| 		   pri, pfc_fw_cfg->traffic_type_to_priority_cos[pri].cos);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| /* fills help_data according to pg_info */
 | |
| static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp,
 | |
| 					    u32 *pg_pri_orginal_spread,
 | |
| 					    struct pg_help_data *help_data)
 | |
| {
 | |
| 	bool pg_found  = false;
 | |
| 	u32 i, traf_type, add_traf_type, add_pg;
 | |
| 	u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
 | |
| 	struct pg_entry_help_data *data = help_data->data; /*shortcut*/
 | |
| 
 | |
| 	/* Set to invalid */
 | |
| 	for (i = 0; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++)
 | |
| 		data[i].pg = DCBX_ILLEGAL_PG;
 | |
| 
 | |
| 	for (add_traf_type = 0;
 | |
| 	     add_traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX; add_traf_type++) {
 | |
| 		pg_found = false;
 | |
| 		if (ttp[add_traf_type] < MAX_PFC_PRIORITIES) {
 | |
| 			add_pg = (u8)pg_pri_orginal_spread[ttp[add_traf_type]];
 | |
| 			for (traf_type = 0;
 | |
| 			     traf_type < LLFC_DRIVER_TRAFFIC_TYPE_MAX;
 | |
| 			     traf_type++) {
 | |
| 				if (data[traf_type].pg == add_pg) {
 | |
| 					if (!(data[traf_type].pg_priority &
 | |
| 					     (1 << ttp[add_traf_type])))
 | |
| 						data[traf_type].
 | |
| 							num_of_dif_pri++;
 | |
| 					data[traf_type].pg_priority |=
 | |
| 						(1 << ttp[add_traf_type]);
 | |
| 					pg_found = true;
 | |
| 					break;
 | |
| 				}
 | |
| 			}
 | |
| 			if (false == pg_found) {
 | |
| 				data[help_data->num_of_pg].pg = add_pg;
 | |
| 				data[help_data->num_of_pg].pg_priority =
 | |
| 						(1 << ttp[add_traf_type]);
 | |
| 				data[help_data->num_of_pg].num_of_dif_pri = 1;
 | |
| 				help_data->num_of_pg++;
 | |
| 			}
 | |
| 		}
 | |
| 		DP(BNX2X_MSG_DCB,
 | |
| 		   "add_traf_type %d pg_found %s num_of_pg %d\n",
 | |
| 		   add_traf_type, (false == pg_found) ? "NO" : "YES",
 | |
| 		   help_data->num_of_pg);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbx_ets_disabled_entry_data(struct bnx2x *bp,
 | |
| 					       struct cos_help_data *cos_data,
 | |
| 					       u32 pri_join_mask)
 | |
| {
 | |
| 	/* Only one priority than only one COS */
 | |
| 	cos_data->data[0].pausable =
 | |
| 		IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask);
 | |
| 	cos_data->data[0].pri_join_mask = pri_join_mask;
 | |
| 	cos_data->data[0].cos_bw = 100;
 | |
| 	cos_data->num_of_cos = 1;
 | |
| }
 | |
| 
 | |
| static inline void bnx2x_dcbx_add_to_cos_bw(struct bnx2x *bp,
 | |
| 					    struct cos_entry_help_data *data,
 | |
| 					    u8 pg_bw)
 | |
| {
 | |
| 	if (data->cos_bw == DCBX_INVALID_COS_BW)
 | |
| 		data->cos_bw = pg_bw;
 | |
| 	else
 | |
| 		data->cos_bw += pg_bw;
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp,
 | |
| 			struct cos_help_data *cos_data,
 | |
| 			u32 *pg_pri_orginal_spread,
 | |
| 			struct dcbx_ets_feature *ets)
 | |
| {
 | |
| 	u32	pri_tested	= 0;
 | |
| 	u8	i		= 0;
 | |
| 	u8	entry		= 0;
 | |
| 	u8	pg_entry	= 0;
 | |
| 	u8	num_of_pri	= LLFC_DRIVER_TRAFFIC_TYPE_MAX;
 | |
| 
 | |
| 	cos_data->data[0].pausable = true;
 | |
| 	cos_data->data[1].pausable = false;
 | |
| 	cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0;
 | |
| 
 | |
| 	for (i = 0 ; i < num_of_pri ; i++) {
 | |
| 		pri_tested = 1 << bp->dcbx_port_params.
 | |
| 					app.traffic_type_priority[i];
 | |
| 
 | |
| 		if (pri_tested & DCBX_PFC_PRI_NON_PAUSE_MASK(bp)) {
 | |
| 			cos_data->data[1].pri_join_mask |= pri_tested;
 | |
| 			entry = 1;
 | |
| 		} else {
 | |
| 			cos_data->data[0].pri_join_mask |= pri_tested;
 | |
| 			entry = 0;
 | |
| 		}
 | |
| 		pg_entry = (u8)pg_pri_orginal_spread[bp->dcbx_port_params.
 | |
| 						app.traffic_type_priority[i]];
 | |
| 		/* There can be only one strict pg */
 | |
| 		if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES)
 | |
| 			bnx2x_dcbx_add_to_cos_bw(bp, &cos_data->data[entry],
 | |
| 				DCBX_PG_BW_GET(ets->pg_bw_tbl, pg_entry));
 | |
| 		else
 | |
| 			/* If we join a group and one is strict
 | |
| 			 * than the bw rules
 | |
| 			 */
 | |
| 			cos_data->data[entry].strict =
 | |
| 						BNX2X_DCBX_STRICT_COS_HIGHEST;
 | |
| 	}
 | |
| 	if ((0 == cos_data->data[0].pri_join_mask) &&
 | |
| 	    (0 == cos_data->data[1].pri_join_mask))
 | |
| 		BNX2X_ERR("dcbx error: Both groups must have priorities\n");
 | |
| }
 | |
| 
 | |
| #ifndef POWER_OF_2
 | |
| #define POWER_OF_2(x)	((0 != x) && (0 == (x & (x-1))))
 | |
| #endif
 | |
| 
 | |
| static void bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params(struct bnx2x *bp,
 | |
| 					      struct pg_help_data *pg_help_data,
 | |
| 					      struct cos_help_data *cos_data,
 | |
| 					      u32 pri_join_mask,
 | |
| 					      u8 num_of_dif_pri)
 | |
| {
 | |
| 	u8 i = 0;
 | |
| 	u32 pri_tested = 0;
 | |
| 	u32 pri_mask_without_pri = 0;
 | |
| 	u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
 | |
| 	/*debug*/
 | |
| 	if (num_of_dif_pri == 1) {
 | |
| 		bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data, pri_join_mask);
 | |
| 		return;
 | |
| 	}
 | |
| 	/* single priority group */
 | |
| 	if (pg_help_data->data[0].pg < DCBX_MAX_NUM_PG_BW_ENTRIES) {
 | |
| 		/* If there are both pauseable and non-pauseable priorities,
 | |
| 		 * the pauseable priorities go to the first queue and
 | |
| 		 * the non-pauseable priorities go to the second queue.
 | |
| 		 */
 | |
| 		if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) {
 | |
| 			/* Pauseable */
 | |
| 			cos_data->data[0].pausable = true;
 | |
| 			/* Non pauseable.*/
 | |
| 			cos_data->data[1].pausable = false;
 | |
| 
 | |
| 			if (2 == num_of_dif_pri) {
 | |
| 				cos_data->data[0].cos_bw = 50;
 | |
| 				cos_data->data[1].cos_bw = 50;
 | |
| 			}
 | |
| 
 | |
| 			if (3 == num_of_dif_pri) {
 | |
| 				if (POWER_OF_2(DCBX_PFC_PRI_GET_PAUSE(bp,
 | |
| 							pri_join_mask))) {
 | |
| 					cos_data->data[0].cos_bw = 33;
 | |
| 					cos_data->data[1].cos_bw = 67;
 | |
| 				} else {
 | |
| 					cos_data->data[0].cos_bw = 67;
 | |
| 					cos_data->data[1].cos_bw = 33;
 | |
| 				}
 | |
| 			}
 | |
| 
 | |
| 		} else if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask)) {
 | |
| 			/* If there are only pauseable priorities,
 | |
| 			 * then one/two priorities go to the first queue
 | |
| 			 * and one priority goes to the second queue.
 | |
| 			 */
 | |
| 			if (2 == num_of_dif_pri) {
 | |
| 				cos_data->data[0].cos_bw = 50;
 | |
| 				cos_data->data[1].cos_bw = 50;
 | |
| 			} else {
 | |
| 				cos_data->data[0].cos_bw = 67;
 | |
| 				cos_data->data[1].cos_bw = 33;
 | |
| 			}
 | |
| 			cos_data->data[1].pausable = true;
 | |
| 			cos_data->data[0].pausable = true;
 | |
| 			/* All priorities except FCOE */
 | |
| 			cos_data->data[0].pri_join_mask = (pri_join_mask &
 | |
| 				((u8)~(1 << ttp[LLFC_TRAFFIC_TYPE_FCOE])));
 | |
| 			/* Only FCOE priority.*/
 | |
| 			cos_data->data[1].pri_join_mask =
 | |
| 				(1 << ttp[LLFC_TRAFFIC_TYPE_FCOE]);
 | |
| 		} else
 | |
| 			/* If there are only non-pauseable priorities,
 | |
| 			 * they will all go to the same queue.
 | |
| 			 */
 | |
| 			bnx2x_dcbx_ets_disabled_entry_data(bp,
 | |
| 						cos_data, pri_join_mask);
 | |
| 	} else {
 | |
| 		/* priority group which is not BW limited (PG#15):*/
 | |
| 		if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) {
 | |
| 			/* If there are both pauseable and non-pauseable
 | |
| 			 * priorities, the pauseable priorities go to the first
 | |
| 			 * queue and the non-pauseable priorities
 | |
| 			 * go to the second queue.
 | |
| 			 */
 | |
| 			if (DCBX_PFC_PRI_GET_PAUSE(bp, pri_join_mask) >
 | |
| 			    DCBX_PFC_PRI_GET_NON_PAUSE(bp, pri_join_mask)) {
 | |
| 				cos_data->data[0].strict =
 | |
| 					BNX2X_DCBX_STRICT_COS_HIGHEST;
 | |
| 				cos_data->data[1].strict =
 | |
| 					BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(
 | |
| 						BNX2X_DCBX_STRICT_COS_HIGHEST);
 | |
| 			} else {
 | |
| 				cos_data->data[0].strict =
 | |
| 					BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(
 | |
| 						BNX2X_DCBX_STRICT_COS_HIGHEST);
 | |
| 				cos_data->data[1].strict =
 | |
| 					BNX2X_DCBX_STRICT_COS_HIGHEST;
 | |
| 			}
 | |
| 			/* Pauseable */
 | |
| 			cos_data->data[0].pausable = true;
 | |
| 			/* Non pause-able.*/
 | |
| 			cos_data->data[1].pausable = false;
 | |
| 		} else {
 | |
| 			/* If there are only pauseable priorities or
 | |
| 			 * only non-pauseable,* the lower priorities go
 | |
| 			 * to the first queue and the higher priorities go
 | |
| 			 * to the second queue.
 | |
| 			 */
 | |
| 			cos_data->data[0].pausable =
 | |
| 				cos_data->data[1].pausable =
 | |
| 				IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask);
 | |
| 
 | |
| 			for (i = 0 ; i < LLFC_DRIVER_TRAFFIC_TYPE_MAX; i++) {
 | |
| 				pri_tested = 1 << bp->dcbx_port_params.
 | |
| 					app.traffic_type_priority[i];
 | |
| 				/* Remove priority tested */
 | |
| 				pri_mask_without_pri =
 | |
| 					(pri_join_mask & ((u8)(~pri_tested)));
 | |
| 				if (pri_mask_without_pri < pri_tested)
 | |
| 					break;
 | |
| 			}
 | |
| 
 | |
| 			if (i == LLFC_DRIVER_TRAFFIC_TYPE_MAX)
 | |
| 				BNX2X_ERR("Invalid value for pri_join_mask - could not find a priority\n");
 | |
| 
 | |
| 			cos_data->data[0].pri_join_mask = pri_mask_without_pri;
 | |
| 			cos_data->data[1].pri_join_mask = pri_tested;
 | |
| 			/* Both queues are strict priority,
 | |
| 			 * and that with the highest priority
 | |
| 			 * gets the highest strict priority in the arbiter.
 | |
| 			 */
 | |
| 			cos_data->data[0].strict =
 | |
| 					BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(
 | |
| 						BNX2X_DCBX_STRICT_COS_HIGHEST);
 | |
| 			cos_data->data[1].strict =
 | |
| 					BNX2X_DCBX_STRICT_COS_HIGHEST;
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params(
 | |
| 			    struct bnx2x		*bp,
 | |
| 			    struct  pg_help_data	*pg_help_data,
 | |
| 			    struct dcbx_ets_feature	*ets,
 | |
| 			    struct cos_help_data	*cos_data,
 | |
| 			    u32			*pg_pri_orginal_spread,
 | |
| 			    u32				pri_join_mask,
 | |
| 			    u8				num_of_dif_pri)
 | |
| {
 | |
| 	u8 i = 0;
 | |
| 	u8 pg[DCBX_COS_MAX_NUM_E2] = { 0 };
 | |
| 
 | |
| 	/* If there are both pauseable and non-pauseable priorities,
 | |
| 	 * the pauseable priorities go to the first queue and
 | |
| 	 * the non-pauseable priorities go to the second queue.
 | |
| 	 */
 | |
| 	if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask)) {
 | |
| 		if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp,
 | |
| 					 pg_help_data->data[0].pg_priority) ||
 | |
| 		    IS_DCBX_PFC_PRI_MIX_PAUSE(bp,
 | |
| 					 pg_help_data->data[1].pg_priority)) {
 | |
| 			/* If one PG contains both pauseable and
 | |
| 			 * non-pauseable priorities then ETS is disabled.
 | |
| 			 */
 | |
| 			bnx2x_dcbx_separate_pauseable_from_non(bp, cos_data,
 | |
| 					pg_pri_orginal_spread, ets);
 | |
| 			bp->dcbx_port_params.ets.enabled = false;
 | |
| 			return;
 | |
| 		}
 | |
| 
 | |
| 		/* Pauseable */
 | |
| 		cos_data->data[0].pausable = true;
 | |
| 		/* Non pauseable. */
 | |
| 		cos_data->data[1].pausable = false;
 | |
| 		if (IS_DCBX_PFC_PRI_ONLY_PAUSE(bp,
 | |
| 				pg_help_data->data[0].pg_priority)) {
 | |
| 			/* 0 is pauseable */
 | |
| 			cos_data->data[0].pri_join_mask =
 | |
| 				pg_help_data->data[0].pg_priority;
 | |
| 			pg[0] = pg_help_data->data[0].pg;
 | |
| 			cos_data->data[1].pri_join_mask =
 | |
| 				pg_help_data->data[1].pg_priority;
 | |
| 			pg[1] = pg_help_data->data[1].pg;
 | |
| 		} else {/* 1 is pauseable */
 | |
| 			cos_data->data[0].pri_join_mask =
 | |
| 				pg_help_data->data[1].pg_priority;
 | |
| 			pg[0] = pg_help_data->data[1].pg;
 | |
| 			cos_data->data[1].pri_join_mask =
 | |
| 				pg_help_data->data[0].pg_priority;
 | |
| 			pg[1] = pg_help_data->data[0].pg;
 | |
| 		}
 | |
| 	} else {
 | |
| 		/* If there are only pauseable priorities or
 | |
| 		 * only non-pauseable, each PG goes to a queue.
 | |
| 		 */
 | |
| 		cos_data->data[0].pausable = cos_data->data[1].pausable =
 | |
| 			IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask);
 | |
| 		cos_data->data[0].pri_join_mask =
 | |
| 			pg_help_data->data[0].pg_priority;
 | |
| 		pg[0] = pg_help_data->data[0].pg;
 | |
| 		cos_data->data[1].pri_join_mask =
 | |
| 			pg_help_data->data[1].pg_priority;
 | |
| 		pg[1] = pg_help_data->data[1].pg;
 | |
| 	}
 | |
| 
 | |
| 	/* There can be only one strict pg */
 | |
| 	for (i = 0 ; i < ARRAY_SIZE(pg); i++) {
 | |
| 		if (pg[i] < DCBX_MAX_NUM_PG_BW_ENTRIES)
 | |
| 			cos_data->data[i].cos_bw =
 | |
| 				DCBX_PG_BW_GET(ets->pg_bw_tbl, pg[i]);
 | |
| 		else
 | |
| 			cos_data->data[i].strict =
 | |
| 						BNX2X_DCBX_STRICT_COS_HIGHEST;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static int bnx2x_dcbx_join_pgs(
 | |
| 			      struct bnx2x            *bp,
 | |
| 			      struct dcbx_ets_feature *ets,
 | |
| 			      struct pg_help_data     *pg_help_data,
 | |
| 			      u8                      required_num_of_pg)
 | |
| {
 | |
| 	u8 entry_joined    = pg_help_data->num_of_pg - 1;
 | |
| 	u8 entry_removed   = entry_joined + 1;
 | |
| 	u8 pg_joined       = 0;
 | |
| 
 | |
| 	if (required_num_of_pg == 0 || ARRAY_SIZE(pg_help_data->data)
 | |
| 						<= pg_help_data->num_of_pg) {
 | |
| 
 | |
| 		BNX2X_ERR("required_num_of_pg can't be zero\n");
 | |
| 		return -EINVAL;
 | |
| 	}
 | |
| 
 | |
| 	while (required_num_of_pg < pg_help_data->num_of_pg) {
 | |
| 		entry_joined = pg_help_data->num_of_pg - 2;
 | |
| 		entry_removed = entry_joined + 1;
 | |
| 		/* protect index */
 | |
| 		entry_removed %= ARRAY_SIZE(pg_help_data->data);
 | |
| 
 | |
| 		pg_help_data->data[entry_joined].pg_priority |=
 | |
| 			pg_help_data->data[entry_removed].pg_priority;
 | |
| 
 | |
| 		pg_help_data->data[entry_joined].num_of_dif_pri +=
 | |
| 			pg_help_data->data[entry_removed].num_of_dif_pri;
 | |
| 
 | |
| 		if (pg_help_data->data[entry_joined].pg == DCBX_STRICT_PRI_PG ||
 | |
| 		    pg_help_data->data[entry_removed].pg == DCBX_STRICT_PRI_PG)
 | |
| 			/* Entries joined strict priority rules */
 | |
| 			pg_help_data->data[entry_joined].pg =
 | |
| 							DCBX_STRICT_PRI_PG;
 | |
| 		else {
 | |
| 			/* Entries can be joined join BW */
 | |
| 			pg_joined = DCBX_PG_BW_GET(ets->pg_bw_tbl,
 | |
| 					pg_help_data->data[entry_joined].pg) +
 | |
| 				    DCBX_PG_BW_GET(ets->pg_bw_tbl,
 | |
| 					pg_help_data->data[entry_removed].pg);
 | |
| 
 | |
| 			DCBX_PG_BW_SET(ets->pg_bw_tbl,
 | |
| 				pg_help_data->data[entry_joined].pg, pg_joined);
 | |
| 		}
 | |
| 		/* Joined the entries */
 | |
| 		pg_help_data->num_of_pg--;
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params(
 | |
| 			      struct bnx2x		*bp,
 | |
| 			      struct pg_help_data	*pg_help_data,
 | |
| 			      struct dcbx_ets_feature	*ets,
 | |
| 			      struct cos_help_data	*cos_data,
 | |
| 			      u32			*pg_pri_orginal_spread,
 | |
| 			      u32			pri_join_mask,
 | |
| 			      u8			num_of_dif_pri)
 | |
| {
 | |
| 	u8 i = 0;
 | |
| 	u32 pri_tested = 0;
 | |
| 	u8 entry = 0;
 | |
| 	u8 pg_entry = 0;
 | |
| 	bool b_found_strict = false;
 | |
| 	u8 num_of_pri = LLFC_DRIVER_TRAFFIC_TYPE_MAX;
 | |
| 
 | |
| 	cos_data->data[0].pri_join_mask = cos_data->data[1].pri_join_mask = 0;
 | |
| 	/* If there are both pauseable and non-pauseable priorities,
 | |
| 	 * the pauseable priorities go to the first queue and the
 | |
| 	 * non-pauseable priorities go to the second queue.
 | |
| 	 */
 | |
| 	if (IS_DCBX_PFC_PRI_MIX_PAUSE(bp, pri_join_mask))
 | |
| 		bnx2x_dcbx_separate_pauseable_from_non(bp,
 | |
| 				cos_data, pg_pri_orginal_spread, ets);
 | |
| 	else {
 | |
| 		/* If two BW-limited PG-s were combined to one queue,
 | |
| 		 * the BW is their sum.
 | |
| 		 *
 | |
| 		 * If there are only pauseable priorities or only non-pauseable,
 | |
| 		 * and there are both BW-limited and non-BW-limited PG-s,
 | |
| 		 * the BW-limited PG/s go to one queue and the non-BW-limited
 | |
| 		 * PG/s go to the second queue.
 | |
| 		 *
 | |
| 		 * If there are only pauseable priorities or only non-pauseable
 | |
| 		 * and all are BW limited, then	two priorities go to the first
 | |
| 		 * queue and one priority goes to the second queue.
 | |
| 		 *
 | |
| 		 * We will join this two cases:
 | |
| 		 * if one is BW limited it will go to the second queue
 | |
| 		 * otherwise the last priority will get it
 | |
| 		 */
 | |
| 
 | |
| 		cos_data->data[0].pausable = cos_data->data[1].pausable =
 | |
| 			IS_DCBX_PFC_PRI_ONLY_PAUSE(bp, pri_join_mask);
 | |
| 
 | |
| 		for (i = 0 ; i < num_of_pri; i++) {
 | |
| 			pri_tested = 1 << bp->dcbx_port_params.
 | |
| 				app.traffic_type_priority[i];
 | |
| 			pg_entry = (u8)pg_pri_orginal_spread[bp->
 | |
| 				dcbx_port_params.app.traffic_type_priority[i]];
 | |
| 
 | |
| 			if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) {
 | |
| 				entry = 0;
 | |
| 
 | |
| 				if (i == (num_of_pri-1) &&
 | |
| 				    false == b_found_strict)
 | |
| 					/* last entry will be handled separately
 | |
| 					 * If no priority is strict than last
 | |
| 					 * entry goes to last queue.
 | |
| 					 */
 | |
| 					entry = 1;
 | |
| 				cos_data->data[entry].pri_join_mask |=
 | |
| 								pri_tested;
 | |
| 				bnx2x_dcbx_add_to_cos_bw(bp,
 | |
| 					&cos_data->data[entry],
 | |
| 					DCBX_PG_BW_GET(ets->pg_bw_tbl,
 | |
| 						       pg_entry));
 | |
| 			} else {
 | |
| 				b_found_strict = true;
 | |
| 				cos_data->data[1].pri_join_mask |= pri_tested;
 | |
| 				/* If we join a group and one is strict
 | |
| 				 * than the bw rules
 | |
| 				 */
 | |
| 				cos_data->data[1].strict =
 | |
| 					BNX2X_DCBX_STRICT_COS_HIGHEST;
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbx_2cos_limit_cee_fill_cos_params(struct bnx2x *bp,
 | |
| 				       struct pg_help_data *help_data,
 | |
| 				       struct dcbx_ets_feature *ets,
 | |
| 				       struct cos_help_data *cos_data,
 | |
| 				       u32 *pg_pri_orginal_spread,
 | |
| 				       u32 pri_join_mask,
 | |
| 				       u8 num_of_dif_pri)
 | |
| {
 | |
| 	/* default E2 settings */
 | |
| 	cos_data->num_of_cos = DCBX_COS_MAX_NUM_E2;
 | |
| 
 | |
| 	switch (help_data->num_of_pg) {
 | |
| 	case 1:
 | |
| 		bnx2x_dcbx_2cos_limit_cee_single_pg_to_cos_params(
 | |
| 					       bp,
 | |
| 					       help_data,
 | |
| 					       cos_data,
 | |
| 					       pri_join_mask,
 | |
| 					       num_of_dif_pri);
 | |
| 		break;
 | |
| 	case 2:
 | |
| 		bnx2x_dcbx_2cos_limit_cee_two_pg_to_cos_params(
 | |
| 					    bp,
 | |
| 					    help_data,
 | |
| 					    ets,
 | |
| 					    cos_data,
 | |
| 					    pg_pri_orginal_spread,
 | |
| 					    pri_join_mask,
 | |
| 					    num_of_dif_pri);
 | |
| 		break;
 | |
| 
 | |
| 	case 3:
 | |
| 		bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params(
 | |
| 					      bp,
 | |
| 					      help_data,
 | |
| 					      ets,
 | |
| 					      cos_data,
 | |
| 					      pg_pri_orginal_spread,
 | |
| 					      pri_join_mask,
 | |
| 					      num_of_dif_pri);
 | |
| 		break;
 | |
| 	default:
 | |
| 		BNX2X_ERR("Wrong pg_help_data.num_of_pg\n");
 | |
| 		bnx2x_dcbx_ets_disabled_entry_data(bp,
 | |
| 						   cos_data, pri_join_mask);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static int bnx2x_dcbx_spread_strict_pri(struct bnx2x *bp,
 | |
| 					struct cos_help_data *cos_data,
 | |
| 					u8 entry,
 | |
| 					u8 num_spread_of_entries,
 | |
| 					u8 strict_app_pris)
 | |
| {
 | |
| 	u8 strict_pri = BNX2X_DCBX_STRICT_COS_HIGHEST;
 | |
| 	u8 num_of_app_pri = MAX_PFC_PRIORITIES;
 | |
| 	u8 app_pri_bit = 0;
 | |
| 
 | |
| 	while (num_spread_of_entries && num_of_app_pri > 0) {
 | |
| 		app_pri_bit = 1 << (num_of_app_pri - 1);
 | |
| 		if (app_pri_bit & strict_app_pris) {
 | |
| 			struct cos_entry_help_data *data = &cos_data->
 | |
| 								data[entry];
 | |
| 			num_spread_of_entries--;
 | |
| 			if (num_spread_of_entries == 0) {
 | |
| 				/* last entry needed put all the entries left */
 | |
| 				data->cos_bw = DCBX_INVALID_COS_BW;
 | |
| 				data->strict = strict_pri;
 | |
| 				data->pri_join_mask = strict_app_pris;
 | |
| 				data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp,
 | |
| 							data->pri_join_mask);
 | |
| 			} else {
 | |
| 				strict_app_pris &= ~app_pri_bit;
 | |
| 
 | |
| 				data->cos_bw = DCBX_INVALID_COS_BW;
 | |
| 				data->strict = strict_pri;
 | |
| 				data->pri_join_mask = app_pri_bit;
 | |
| 				data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp,
 | |
| 							data->pri_join_mask);
 | |
| 			}
 | |
| 
 | |
| 			strict_pri =
 | |
| 			    BNX2X_DCBX_STRICT_COS_NEXT_LOWER_PRI(strict_pri);
 | |
| 			entry++;
 | |
| 		}
 | |
| 
 | |
| 		num_of_app_pri--;
 | |
| 	}
 | |
| 
 | |
| 	if (num_spread_of_entries) {
 | |
| 		BNX2X_ERR("Didn't succeed to spread strict priorities\n");
 | |
| 		return -EINVAL;
 | |
| 	}
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static u8 bnx2x_dcbx_cee_fill_strict_pri(struct bnx2x *bp,
 | |
| 					 struct cos_help_data *cos_data,
 | |
| 					 u8 entry,
 | |
| 					 u8 num_spread_of_entries,
 | |
| 					 u8 strict_app_pris)
 | |
| {
 | |
| 	if (bnx2x_dcbx_spread_strict_pri(bp, cos_data, entry,
 | |
| 					 num_spread_of_entries,
 | |
| 					 strict_app_pris)) {
 | |
| 		struct cos_entry_help_data *data = &cos_data->
 | |
| 						    data[entry];
 | |
| 		/* Fill BW entry */
 | |
| 		data->cos_bw = DCBX_INVALID_COS_BW;
 | |
| 		data->strict = BNX2X_DCBX_STRICT_COS_HIGHEST;
 | |
| 		data->pri_join_mask = strict_app_pris;
 | |
| 		data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp,
 | |
| 				 data->pri_join_mask);
 | |
| 		return 1;
 | |
| 	}
 | |
| 
 | |
| 	return num_spread_of_entries;
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbx_cee_fill_cos_params(struct bnx2x *bp,
 | |
| 					   struct pg_help_data *help_data,
 | |
| 					   struct dcbx_ets_feature *ets,
 | |
| 					   struct cos_help_data *cos_data,
 | |
| 					   u32 pri_join_mask)
 | |
| 
 | |
| {
 | |
| 	u8 need_num_of_entries = 0;
 | |
| 	u8 i = 0;
 | |
| 	u8 entry = 0;
 | |
| 
 | |
| 	/*
 | |
| 	 * if the number of requested PG-s in CEE is greater than 3
 | |
| 	 * then the results are not determined since this is a violation
 | |
| 	 * of the standard.
 | |
| 	 */
 | |
| 	if (help_data->num_of_pg > DCBX_COS_MAX_NUM_E3B0) {
 | |
| 		if (bnx2x_dcbx_join_pgs(bp, ets, help_data,
 | |
| 					DCBX_COS_MAX_NUM_E3B0)) {
 | |
| 			BNX2X_ERR("Unable to reduce the number of PGs - we will disables ETS\n");
 | |
| 			bnx2x_dcbx_ets_disabled_entry_data(bp, cos_data,
 | |
| 							   pri_join_mask);
 | |
| 			return;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	for (i = 0 ; i < help_data->num_of_pg; i++) {
 | |
| 		struct pg_entry_help_data *pg =  &help_data->data[i];
 | |
| 		if (pg->pg < DCBX_MAX_NUM_PG_BW_ENTRIES) {
 | |
| 			struct cos_entry_help_data *data = &cos_data->
 | |
| 							    data[entry];
 | |
| 			/* Fill BW entry */
 | |
| 			data->cos_bw = DCBX_PG_BW_GET(ets->pg_bw_tbl, pg->pg);
 | |
| 			data->strict = BNX2X_DCBX_STRICT_INVALID;
 | |
| 			data->pri_join_mask = pg->pg_priority;
 | |
| 			data->pausable = DCBX_IS_PFC_PRI_SOME_PAUSE(bp,
 | |
| 						data->pri_join_mask);
 | |
| 
 | |
| 			entry++;
 | |
| 		} else {
 | |
| 			need_num_of_entries =  min_t(u8,
 | |
| 				(u8)pg->num_of_dif_pri,
 | |
| 				(u8)DCBX_COS_MAX_NUM_E3B0 -
 | |
| 						 help_data->num_of_pg + 1);
 | |
| 			/*
 | |
| 			 * If there are still VOQ-s which have no associated PG,
 | |
| 			 * then associate these VOQ-s to PG15. These PG-s will
 | |
| 			 * be used for SP between priorities on PG15.
 | |
| 			 */
 | |
| 			entry += bnx2x_dcbx_cee_fill_strict_pri(bp, cos_data,
 | |
| 				entry, need_num_of_entries, pg->pg_priority);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	/* the entry will represent the number of COSes used */
 | |
| 	cos_data->num_of_cos = entry;
 | |
| }
 | |
| static void bnx2x_dcbx_fill_cos_params(struct bnx2x *bp,
 | |
| 				       struct pg_help_data *help_data,
 | |
| 				       struct dcbx_ets_feature *ets,
 | |
| 				       u32 *pg_pri_orginal_spread)
 | |
| {
 | |
| 	struct cos_help_data         cos_data;
 | |
| 	u8                    i                           = 0;
 | |
| 	u32                   pri_join_mask               = 0;
 | |
| 	u8                    num_of_dif_pri              = 0;
 | |
| 
 | |
| 	memset(&cos_data, 0, sizeof(cos_data));
 | |
| 
 | |
| 	/* Validate the pg value */
 | |
| 	for (i = 0; i < help_data->num_of_pg ; i++) {
 | |
| 		if (DCBX_STRICT_PRIORITY != help_data->data[i].pg &&
 | |
| 		    DCBX_MAX_NUM_PG_BW_ENTRIES <= help_data->data[i].pg)
 | |
| 			BNX2X_ERR("Invalid pg[%d] data %x\n", i,
 | |
| 				  help_data->data[i].pg);
 | |
| 		pri_join_mask   |=  help_data->data[i].pg_priority;
 | |
| 		num_of_dif_pri  += help_data->data[i].num_of_dif_pri;
 | |
| 	}
 | |
| 
 | |
| 	/* defaults */
 | |
| 	cos_data.num_of_cos = 1;
 | |
| 	for (i = 0; i < ARRAY_SIZE(cos_data.data); i++) {
 | |
| 		cos_data.data[i].pri_join_mask = 0;
 | |
| 		cos_data.data[i].pausable = false;
 | |
| 		cos_data.data[i].strict = BNX2X_DCBX_STRICT_INVALID;
 | |
| 		cos_data.data[i].cos_bw = DCBX_INVALID_COS_BW;
 | |
| 	}
 | |
| 
 | |
| 	if (CHIP_IS_E3B0(bp))
 | |
| 		bnx2x_dcbx_cee_fill_cos_params(bp, help_data, ets,
 | |
| 					       &cos_data, pri_join_mask);
 | |
| 	else /* E2 + E3A0 */
 | |
| 		bnx2x_dcbx_2cos_limit_cee_fill_cos_params(bp,
 | |
| 							  help_data, ets,
 | |
| 							  &cos_data,
 | |
| 							  pg_pri_orginal_spread,
 | |
| 							  pri_join_mask,
 | |
| 							  num_of_dif_pri);
 | |
| 
 | |
| 	for (i = 0; i < cos_data.num_of_cos ; i++) {
 | |
| 		struct bnx2x_dcbx_cos_params *p =
 | |
| 			&bp->dcbx_port_params.ets.cos_params[i];
 | |
| 
 | |
| 		p->strict = cos_data.data[i].strict;
 | |
| 		p->bw_tbl = cos_data.data[i].cos_bw;
 | |
| 		p->pri_bitmask = cos_data.data[i].pri_join_mask;
 | |
| 		p->pauseable = cos_data.data[i].pausable;
 | |
| 
 | |
| 		/* sanity */
 | |
| 		if (p->bw_tbl != DCBX_INVALID_COS_BW ||
 | |
| 		    p->strict != BNX2X_DCBX_STRICT_INVALID) {
 | |
| 			if (p->pri_bitmask == 0)
 | |
| 				BNX2X_ERR("Invalid pri_bitmask for %d\n", i);
 | |
| 
 | |
| 			if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp)) {
 | |
| 
 | |
| 				if (p->pauseable &&
 | |
| 				    DCBX_PFC_PRI_GET_NON_PAUSE(bp,
 | |
| 						p->pri_bitmask) != 0)
 | |
| 					BNX2X_ERR("Inconsistent config for pausable COS %d\n",
 | |
| 						  i);
 | |
| 
 | |
| 				if (!p->pauseable &&
 | |
| 				    DCBX_PFC_PRI_GET_PAUSE(bp,
 | |
| 						p->pri_bitmask) != 0)
 | |
| 					BNX2X_ERR("Inconsistent config for nonpausable COS %d\n",
 | |
| 						  i);
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		if (p->pauseable)
 | |
| 			DP(BNX2X_MSG_DCB, "COS %d PAUSABLE prijoinmask 0x%x\n",
 | |
| 				  i, cos_data.data[i].pri_join_mask);
 | |
| 		else
 | |
| 			DP(BNX2X_MSG_DCB,
 | |
| 			   "COS %d NONPAUSABLE prijoinmask 0x%x\n",
 | |
| 			   i, cos_data.data[i].pri_join_mask);
 | |
| 	}
 | |
| 
 | |
| 	bp->dcbx_port_params.ets.num_of_cos = cos_data.num_of_cos ;
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp,
 | |
| 				u32 *set_configuration_ets_pg,
 | |
| 				u32 *pri_pg_tbl)
 | |
| {
 | |
| 	int i;
 | |
| 
 | |
| 	for (i = 0; i < DCBX_MAX_NUM_PRI_PG_ENTRIES; i++) {
 | |
| 		set_configuration_ets_pg[i] = DCBX_PRI_PG_GET(pri_pg_tbl, i);
 | |
| 
 | |
| 		DP(BNX2X_MSG_DCB, "set_configuration_ets_pg[%d] = 0x%x\n",
 | |
| 		   i, set_configuration_ets_pg[i]);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbx_fw_struct(struct bnx2x *bp,
 | |
| 				 struct bnx2x_func_tx_start_params *pfc_fw_cfg)
 | |
| {
 | |
| 	u16 pri_bit = 0;
 | |
| 	u8 cos = 0, pri = 0;
 | |
| 	struct priority_cos *tt2cos;
 | |
| 	u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
 | |
| 	int mfw_configured = SHMEM2_HAS(bp, drv_flags) &&
 | |
| 			     GET_FLAGS(SHMEM2_RD(bp, drv_flags),
 | |
| 				       1 << DRV_FLAGS_DCB_MFW_CONFIGURED);
 | |
| 
 | |
| 	memset(pfc_fw_cfg, 0, sizeof(*pfc_fw_cfg));
 | |
| 
 | |
| 	/* to disable DCB - the structure must be zeroed */
 | |
| 	if ((bp->dcbx_error & DCBX_REMOTE_MIB_ERROR) && !mfw_configured)
 | |
| 		return;
 | |
| 
 | |
| 	/*shortcut*/
 | |
| 	tt2cos = pfc_fw_cfg->traffic_type_to_priority_cos;
 | |
| 
 | |
| 	/* Fw version should be incremented each update */
 | |
| 	pfc_fw_cfg->dcb_version = ++bp->dcb_version;
 | |
| 	pfc_fw_cfg->dcb_enabled = 1;
 | |
| 
 | |
| 	/* Fill priority parameters */
 | |
| 	for (pri = 0; pri < LLFC_DRIVER_TRAFFIC_TYPE_MAX; pri++) {
 | |
| 		tt2cos[pri].priority = ttp[pri];
 | |
| 		pri_bit = 1 << tt2cos[pri].priority;
 | |
| 
 | |
| 		/* Fill COS parameters based on COS calculated to
 | |
| 		 * make it more general for future use */
 | |
| 		for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++)
 | |
| 			if (bp->dcbx_port_params.ets.cos_params[cos].
 | |
| 						pri_bitmask & pri_bit)
 | |
| 					tt2cos[pri].cos = cos;
 | |
| 	}
 | |
| 
 | |
| 	/* we never want the FW to add a 0 vlan tag */
 | |
| 	pfc_fw_cfg->dont_add_pri_0_en = 1;
 | |
| 
 | |
| 	bnx2x_dcbx_print_cos_params(bp,	pfc_fw_cfg);
 | |
| }
 | |
| 
 | |
| void bnx2x_dcbx_pmf_update(struct bnx2x *bp)
 | |
| {
 | |
| 	/* if we need to synchronize DCBX result from prev PMF
 | |
| 	 * read it from shmem and update bp and netdev accordingly
 | |
| 	 */
 | |
| 	if (SHMEM2_HAS(bp, drv_flags) &&
 | |
| 	   GET_FLAGS(SHMEM2_RD(bp, drv_flags), 1 << DRV_FLAGS_DCB_CONFIGURED)) {
 | |
| 		/* Read neg results if dcbx is in the FW */
 | |
| 		if (bnx2x_dcbx_read_shmem_neg_results(bp))
 | |
| 			return;
 | |
| 
 | |
| 		bnx2x_dump_dcbx_drv_param(bp, &bp->dcbx_local_feat,
 | |
| 					  bp->dcbx_error);
 | |
| 		bnx2x_get_dcbx_drv_param(bp, &bp->dcbx_local_feat,
 | |
| 					 bp->dcbx_error);
 | |
| #ifdef BCM_DCBNL
 | |
| 		/*
 | |
| 		 * Add new app tlvs to dcbnl
 | |
| 		 */
 | |
| 		bnx2x_dcbnl_update_applist(bp, false);
 | |
| 		/*
 | |
| 		 * Send a notification for the new negotiated parameters
 | |
| 		 */
 | |
| 		dcbnl_cee_notify(bp->dev, RTM_GETDCB, DCB_CMD_CEE_GET, 0, 0);
 | |
| #endif
 | |
| 		/*
 | |
| 		 * reconfigure the netdevice with the results of the new
 | |
| 		 * dcbx negotiation.
 | |
| 		 */
 | |
| 		bnx2x_dcbx_update_tc_mapping(bp);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| /* DCB netlink */
 | |
| #ifdef BCM_DCBNL
 | |
| 
 | |
| #define BNX2X_DCBX_CAPS		(DCB_CAP_DCBX_LLD_MANAGED | \
 | |
| 				DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_STATIC)
 | |
| 
 | |
| static inline bool bnx2x_dcbnl_set_valid(struct bnx2x *bp)
 | |
| {
 | |
| 	/* validate dcbnl call that may change HW state:
 | |
| 	 * DCB is on and DCBX mode was SUCCESSFULLY set by the user.
 | |
| 	 */
 | |
| 	return bp->dcb_state && bp->dcbx_mode_uset;
 | |
| }
 | |
| 
 | |
| static u8 bnx2x_dcbnl_get_state(struct net_device *netdev)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "state = %d\n", bp->dcb_state);
 | |
| 	return bp->dcb_state;
 | |
| }
 | |
| 
 | |
| static u8 bnx2x_dcbnl_set_state(struct net_device *netdev, u8 state)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "state = %s\n", state ? "on" : "off");
 | |
| 
 | |
| 	/* Fail to set state to "enabled" if dcbx is disabled in nvram */
 | |
| 	if (state && ((bp->dcbx_enabled == BNX2X_DCBX_ENABLED_OFF) ||
 | |
| 		      (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_INVALID))) {
 | |
| 		DP(BNX2X_MSG_DCB, "Can not set dcbx to enabled while it is disabled in nvm\n");
 | |
| 		return 1;
 | |
| 	}
 | |
| 
 | |
| 	bnx2x_dcbx_set_state(bp, (state ? true : false), bp->dcbx_enabled);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbnl_get_perm_hw_addr(struct net_device *netdev,
 | |
| 					 u8 *perm_addr)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "GET-PERM-ADDR\n");
 | |
| 
 | |
| 	/* first the HW mac address */
 | |
| 	memcpy(perm_addr, netdev->dev_addr, netdev->addr_len);
 | |
| 
 | |
| 	if (CNIC_LOADED(bp))
 | |
| 		/* second SAN address */
 | |
| 		memcpy(perm_addr+netdev->addr_len, bp->fip_mac,
 | |
| 		       netdev->addr_len);
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbnl_set_pg_tccfg_tx(struct net_device *netdev, int prio,
 | |
| 					u8 prio_type, u8 pgid, u8 bw_pct,
 | |
| 					u8 up_map)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 
 | |
| 	DP(BNX2X_MSG_DCB, "prio[%d] = %d\n", prio, pgid);
 | |
| 	if (!bnx2x_dcbnl_set_valid(bp) || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES)
 | |
| 		return;
 | |
| 
 | |
| 	/**
 | |
| 	 * bw_pct ignored -	band-width percentage devision between user
 | |
| 	 *			priorities within the same group is not
 | |
| 	 *			standard and hence not supported
 | |
| 	 *
 | |
| 	 * prio_type ignored -	priority levels within the same group are not
 | |
| 	 *			standard and hence are not supported. According
 | |
| 	 *			to the standard pgid 15 is dedicated to strict
 | |
| 	 *			priority traffic (on the port level).
 | |
| 	 *
 | |
| 	 * up_map ignored
 | |
| 	 */
 | |
| 
 | |
| 	bp->dcbx_config_params.admin_configuration_ets_pg[prio] = pgid;
 | |
| 	bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1;
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbnl_set_pg_bwgcfg_tx(struct net_device *netdev,
 | |
| 					 int pgid, u8 bw_pct)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "pgid[%d] = %d\n", pgid, bw_pct);
 | |
| 
 | |
| 	if (!bnx2x_dcbnl_set_valid(bp) || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES)
 | |
| 		return;
 | |
| 
 | |
| 	bp->dcbx_config_params.admin_configuration_bw_precentage[pgid] = bw_pct;
 | |
| 	bp->dcbx_config_params.admin_ets_configuration_tx_enable = 1;
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbnl_set_pg_tccfg_rx(struct net_device *netdev, int prio,
 | |
| 					u8 prio_type, u8 pgid, u8 bw_pct,
 | |
| 					u8 up_map)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "Nothing to set; No RX support\n");
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbnl_set_pg_bwgcfg_rx(struct net_device *netdev,
 | |
| 					 int pgid, u8 bw_pct)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "Nothing to set; No RX support\n");
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbnl_get_pg_tccfg_tx(struct net_device *netdev, int prio,
 | |
| 					u8 *prio_type, u8 *pgid, u8 *bw_pct,
 | |
| 					u8 *up_map)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "prio = %d\n", prio);
 | |
| 
 | |
| 	/**
 | |
| 	 * bw_pct ignored -	band-width percentage devision between user
 | |
| 	 *			priorities within the same group is not
 | |
| 	 *			standard and hence not supported
 | |
| 	 *
 | |
| 	 * prio_type ignored -	priority levels within the same group are not
 | |
| 	 *			standard and hence are not supported. According
 | |
| 	 *			to the standard pgid 15 is dedicated to strict
 | |
| 	 *			priority traffic (on the port level).
 | |
| 	 *
 | |
| 	 * up_map ignored
 | |
| 	 */
 | |
| 	*up_map = *bw_pct = *prio_type = *pgid = 0;
 | |
| 
 | |
| 	if (!bp->dcb_state || prio >= DCBX_MAX_NUM_PRI_PG_ENTRIES)
 | |
| 		return;
 | |
| 
 | |
| 	*pgid = DCBX_PRI_PG_GET(bp->dcbx_local_feat.ets.pri_pg_tbl, prio);
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbnl_get_pg_bwgcfg_tx(struct net_device *netdev,
 | |
| 					 int pgid, u8 *bw_pct)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "pgid = %d\n", pgid);
 | |
| 
 | |
| 	*bw_pct = 0;
 | |
| 
 | |
| 	if (!bp->dcb_state || pgid >= DCBX_MAX_NUM_PG_BW_ENTRIES)
 | |
| 		return;
 | |
| 
 | |
| 	*bw_pct = DCBX_PG_BW_GET(bp->dcbx_local_feat.ets.pg_bw_tbl, pgid);
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbnl_get_pg_tccfg_rx(struct net_device *netdev, int prio,
 | |
| 					u8 *prio_type, u8 *pgid, u8 *bw_pct,
 | |
| 					u8 *up_map)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "Nothing to get; No RX support\n");
 | |
| 
 | |
| 	*prio_type = *pgid = *bw_pct = *up_map = 0;
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbnl_get_pg_bwgcfg_rx(struct net_device *netdev,
 | |
| 					 int pgid, u8 *bw_pct)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "Nothing to get; No RX support\n");
 | |
| 
 | |
| 	*bw_pct = 0;
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbnl_set_pfc_cfg(struct net_device *netdev, int prio,
 | |
| 				    u8 setting)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "prio[%d] = %d\n", prio, setting);
 | |
| 
 | |
| 	if (!bnx2x_dcbnl_set_valid(bp) || prio >= MAX_PFC_PRIORITIES)
 | |
| 		return;
 | |
| 
 | |
| 	if (setting) {
 | |
| 		bp->dcbx_config_params.admin_pfc_bitmap |= (1 << prio);
 | |
| 		bp->dcbx_config_params.admin_pfc_tx_enable = 1;
 | |
| 	} else {
 | |
| 		bp->dcbx_config_params.admin_pfc_bitmap &= ~(1 << prio);
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbnl_get_pfc_cfg(struct net_device *netdev, int prio,
 | |
| 				    u8 *setting)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "prio = %d\n", prio);
 | |
| 
 | |
| 	*setting = 0;
 | |
| 
 | |
| 	if (!bp->dcb_state || prio >= MAX_PFC_PRIORITIES)
 | |
| 		return;
 | |
| 
 | |
| 	*setting = (bp->dcbx_local_feat.pfc.pri_en_bitmap >> prio) & 0x1;
 | |
| }
 | |
| 
 | |
| static u8 bnx2x_dcbnl_set_all(struct net_device *netdev)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	int rc = 0;
 | |
| 
 | |
| 	DP(BNX2X_MSG_DCB, "SET-ALL\n");
 | |
| 
 | |
| 	if (!bnx2x_dcbnl_set_valid(bp))
 | |
| 		return 1;
 | |
| 
 | |
| 	if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
 | |
| 		netdev_err(bp->dev,
 | |
| 			   "Handling parity error recovery. Try again later\n");
 | |
| 		return 1;
 | |
| 	}
 | |
| 	if (netif_running(bp->dev)) {
 | |
| 		bnx2x_update_drv_flags(bp,
 | |
| 				       1 << DRV_FLAGS_DCB_MFW_CONFIGURED,
 | |
| 				       1);
 | |
| 		bnx2x_dcbx_init(bp, true);
 | |
| 	}
 | |
| 	DP(BNX2X_MSG_DCB, "set_dcbx_params done (%d)\n", rc);
 | |
| 	if (rc)
 | |
| 		return 1;
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static u8 bnx2x_dcbnl_get_cap(struct net_device *netdev, int capid, u8 *cap)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	u8 rval = 0;
 | |
| 
 | |
| 	if (bp->dcb_state) {
 | |
| 		switch (capid) {
 | |
| 		case DCB_CAP_ATTR_PG:
 | |
| 			*cap = true;
 | |
| 			break;
 | |
| 		case DCB_CAP_ATTR_PFC:
 | |
| 			*cap = true;
 | |
| 			break;
 | |
| 		case DCB_CAP_ATTR_UP2TC:
 | |
| 			*cap = false;
 | |
| 			break;
 | |
| 		case DCB_CAP_ATTR_PG_TCS:
 | |
| 			*cap = 0x80;	/* 8 priorities for PGs */
 | |
| 			break;
 | |
| 		case DCB_CAP_ATTR_PFC_TCS:
 | |
| 			*cap = 0x80;	/* 8 priorities for PFC */
 | |
| 			break;
 | |
| 		case DCB_CAP_ATTR_GSP:
 | |
| 			*cap = true;
 | |
| 			break;
 | |
| 		case DCB_CAP_ATTR_BCN:
 | |
| 			*cap = false;
 | |
| 			break;
 | |
| 		case DCB_CAP_ATTR_DCBX:
 | |
| 			*cap = BNX2X_DCBX_CAPS;
 | |
| 			break;
 | |
| 		default:
 | |
| 			BNX2X_ERR("Non valid capability ID\n");
 | |
| 			rval = 1;
 | |
| 			break;
 | |
| 		}
 | |
| 	} else {
 | |
| 		DP(BNX2X_MSG_DCB, "DCB disabled\n");
 | |
| 		rval = 1;
 | |
| 	}
 | |
| 
 | |
| 	DP(BNX2X_MSG_DCB, "capid %d:%x\n", capid, *cap);
 | |
| 	return rval;
 | |
| }
 | |
| 
 | |
| static int bnx2x_dcbnl_get_numtcs(struct net_device *netdev, int tcid, u8 *num)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	u8 rval = 0;
 | |
| 
 | |
| 	DP(BNX2X_MSG_DCB, "tcid %d\n", tcid);
 | |
| 
 | |
| 	if (bp->dcb_state) {
 | |
| 		switch (tcid) {
 | |
| 		case DCB_NUMTCS_ATTR_PG:
 | |
| 			*num = CHIP_IS_E3B0(bp) ? DCBX_COS_MAX_NUM_E3B0 :
 | |
| 						  DCBX_COS_MAX_NUM_E2;
 | |
| 			break;
 | |
| 		case DCB_NUMTCS_ATTR_PFC:
 | |
| 			*num = CHIP_IS_E3B0(bp) ? DCBX_COS_MAX_NUM_E3B0 :
 | |
| 						  DCBX_COS_MAX_NUM_E2;
 | |
| 			break;
 | |
| 		default:
 | |
| 			BNX2X_ERR("Non valid TC-ID\n");
 | |
| 			rval = 1;
 | |
| 			break;
 | |
| 		}
 | |
| 	} else {
 | |
| 		DP(BNX2X_MSG_DCB, "DCB disabled\n");
 | |
| 		rval = 1;
 | |
| 	}
 | |
| 
 | |
| 	return rval;
 | |
| }
 | |
| 
 | |
| static int bnx2x_dcbnl_set_numtcs(struct net_device *netdev, int tcid, u8 num)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "num tcs = %d; Not supported\n", num);
 | |
| 	return -EINVAL;
 | |
| }
 | |
| 
 | |
| static u8 bnx2x_dcbnl_get_pfc_state(struct net_device *netdev)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "state = %d\n", bp->dcbx_local_feat.pfc.enabled);
 | |
| 
 | |
| 	if (!bp->dcb_state)
 | |
| 		return 0;
 | |
| 
 | |
| 	return bp->dcbx_local_feat.pfc.enabled;
 | |
| }
 | |
| 
 | |
| static void bnx2x_dcbnl_set_pfc_state(struct net_device *netdev, u8 state)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "state = %s\n", state ? "on" : "off");
 | |
| 
 | |
| 	if (!bnx2x_dcbnl_set_valid(bp))
 | |
| 		return;
 | |
| 
 | |
| 	bp->dcbx_config_params.admin_pfc_tx_enable =
 | |
| 	bp->dcbx_config_params.admin_pfc_enable = (state ? 1 : 0);
 | |
| }
 | |
| 
 | |
| static void bnx2x_admin_app_set_ent(
 | |
| 	struct bnx2x_admin_priority_app_table *app_ent,
 | |
| 	u8 idtype, u16 idval, u8 up)
 | |
| {
 | |
| 	app_ent->valid = 1;
 | |
| 
 | |
| 	switch (idtype) {
 | |
| 	case DCB_APP_IDTYPE_ETHTYPE:
 | |
| 		app_ent->traffic_type = TRAFFIC_TYPE_ETH;
 | |
| 		break;
 | |
| 	case DCB_APP_IDTYPE_PORTNUM:
 | |
| 		app_ent->traffic_type = TRAFFIC_TYPE_PORT;
 | |
| 		break;
 | |
| 	default:
 | |
| 		break; /* never gets here */
 | |
| 	}
 | |
| 	app_ent->app_id = idval;
 | |
| 	app_ent->priority = up;
 | |
| }
 | |
| 
 | |
| static bool bnx2x_admin_app_is_equal(
 | |
| 	struct bnx2x_admin_priority_app_table *app_ent,
 | |
| 	u8 idtype, u16 idval)
 | |
| {
 | |
| 	if (!app_ent->valid)
 | |
| 		return false;
 | |
| 
 | |
| 	switch (idtype) {
 | |
| 	case DCB_APP_IDTYPE_ETHTYPE:
 | |
| 		if (app_ent->traffic_type != TRAFFIC_TYPE_ETH)
 | |
| 			return false;
 | |
| 		break;
 | |
| 	case DCB_APP_IDTYPE_PORTNUM:
 | |
| 		if (app_ent->traffic_type != TRAFFIC_TYPE_PORT)
 | |
| 			return false;
 | |
| 		break;
 | |
| 	default:
 | |
| 		return false;
 | |
| 	}
 | |
| 	if (app_ent->app_id != idval)
 | |
| 		return false;
 | |
| 
 | |
| 	return true;
 | |
| }
 | |
| 
 | |
| static int bnx2x_set_admin_app_up(struct bnx2x *bp, u8 idtype, u16 idval, u8 up)
 | |
| {
 | |
| 	int i, ff;
 | |
| 
 | |
| 	/* iterate over the app entries looking for idtype and idval */
 | |
| 	for (i = 0, ff = -1; i < DCBX_CONFIG_MAX_APP_PROTOCOL; i++) {
 | |
| 		struct bnx2x_admin_priority_app_table *app_ent =
 | |
| 			&bp->dcbx_config_params.admin_priority_app_table[i];
 | |
| 		if (bnx2x_admin_app_is_equal(app_ent, idtype, idval))
 | |
| 			break;
 | |
| 
 | |
| 		if (ff < 0 && !app_ent->valid)
 | |
| 			ff = i;
 | |
| 	}
 | |
| 	if (i < DCBX_CONFIG_MAX_APP_PROTOCOL)
 | |
| 		/* if found overwrite up */
 | |
| 		bp->dcbx_config_params.
 | |
| 			admin_priority_app_table[i].priority = up;
 | |
| 	else if (ff >= 0)
 | |
| 		/* not found use first-free */
 | |
| 		bnx2x_admin_app_set_ent(
 | |
| 			&bp->dcbx_config_params.admin_priority_app_table[ff],
 | |
| 			idtype, idval, up);
 | |
| 	else {
 | |
| 		/* app table is full */
 | |
| 		BNX2X_ERR("Application table is too large\n");
 | |
| 		return -EBUSY;
 | |
| 	}
 | |
| 
 | |
| 	/* up configured, if not 0 make sure feature is enabled */
 | |
| 	if (up)
 | |
| 		bp->dcbx_config_params.admin_application_priority_tx_enable = 1;
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int bnx2x_dcbnl_set_app_up(struct net_device *netdev, u8 idtype,
 | |
| 				  u16 idval, u8 up)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 
 | |
| 	DP(BNX2X_MSG_DCB, "app_type %d, app_id %x, prio bitmap %d\n",
 | |
| 	   idtype, idval, up);
 | |
| 
 | |
| 	if (!bnx2x_dcbnl_set_valid(bp)) {
 | |
| 		DP(BNX2X_MSG_DCB, "dcbnl call not valid\n");
 | |
| 		return -EINVAL;
 | |
| 	}
 | |
| 
 | |
| 	/* verify idtype */
 | |
| 	switch (idtype) {
 | |
| 	case DCB_APP_IDTYPE_ETHTYPE:
 | |
| 	case DCB_APP_IDTYPE_PORTNUM:
 | |
| 		break;
 | |
| 	default:
 | |
| 		DP(BNX2X_MSG_DCB, "Wrong ID type\n");
 | |
| 		return -EINVAL;
 | |
| 	}
 | |
| 	return bnx2x_set_admin_app_up(bp, idtype, idval, up);
 | |
| }
 | |
| 
 | |
| static u8 bnx2x_dcbnl_get_dcbx(struct net_device *netdev)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	u8 state;
 | |
| 
 | |
| 	state = DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE;
 | |
| 
 | |
| 	if (bp->dcbx_enabled == BNX2X_DCBX_ENABLED_ON_NEG_OFF)
 | |
| 		state |= DCB_CAP_DCBX_STATIC;
 | |
| 
 | |
| 	return state;
 | |
| }
 | |
| 
 | |
| static u8 bnx2x_dcbnl_set_dcbx(struct net_device *netdev, u8 state)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	DP(BNX2X_MSG_DCB, "state = %02x\n", state);
 | |
| 
 | |
| 	/* set dcbx mode */
 | |
| 
 | |
| 	if ((state & BNX2X_DCBX_CAPS) != state) {
 | |
| 		BNX2X_ERR("Requested DCBX mode %x is beyond advertised capabilities\n",
 | |
| 			  state);
 | |
| 		return 1;
 | |
| 	}
 | |
| 
 | |
| 	if (bp->dcb_state != BNX2X_DCB_STATE_ON) {
 | |
| 		BNX2X_ERR("DCB turned off, DCBX configuration is invalid\n");
 | |
| 		return 1;
 | |
| 	}
 | |
| 
 | |
| 	if (state & DCB_CAP_DCBX_STATIC)
 | |
| 		bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_OFF;
 | |
| 	else
 | |
| 		bp->dcbx_enabled = BNX2X_DCBX_ENABLED_ON_NEG_ON;
 | |
| 
 | |
| 	bp->dcbx_mode_uset = true;
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid,
 | |
| 				  u8 *flags)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	u8 rval = 0;
 | |
| 
 | |
| 	DP(BNX2X_MSG_DCB, "featid %d\n", featid);
 | |
| 
 | |
| 	if (bp->dcb_state) {
 | |
| 		*flags = 0;
 | |
| 		switch (featid) {
 | |
| 		case DCB_FEATCFG_ATTR_PG:
 | |
| 			if (bp->dcbx_local_feat.ets.enabled)
 | |
| 				*flags |= DCB_FEATCFG_ENABLE;
 | |
| 			if (bp->dcbx_error & (DCBX_LOCAL_ETS_ERROR |
 | |
| 					      DCBX_REMOTE_MIB_ERROR))
 | |
| 				*flags |= DCB_FEATCFG_ERROR;
 | |
| 			break;
 | |
| 		case DCB_FEATCFG_ATTR_PFC:
 | |
| 			if (bp->dcbx_local_feat.pfc.enabled)
 | |
| 				*flags |= DCB_FEATCFG_ENABLE;
 | |
| 			if (bp->dcbx_error & (DCBX_LOCAL_PFC_ERROR |
 | |
| 					      DCBX_LOCAL_PFC_MISMATCH |
 | |
| 					      DCBX_REMOTE_MIB_ERROR))
 | |
| 				*flags |= DCB_FEATCFG_ERROR;
 | |
| 			break;
 | |
| 		case DCB_FEATCFG_ATTR_APP:
 | |
| 			if (bp->dcbx_local_feat.app.enabled)
 | |
| 				*flags |= DCB_FEATCFG_ENABLE;
 | |
| 			if (bp->dcbx_error & (DCBX_LOCAL_APP_ERROR |
 | |
| 					      DCBX_LOCAL_APP_MISMATCH |
 | |
| 					      DCBX_REMOTE_MIB_ERROR))
 | |
| 				*flags |= DCB_FEATCFG_ERROR;
 | |
| 			break;
 | |
| 		default:
 | |
| 			BNX2X_ERR("Non valid feature-ID\n");
 | |
| 			rval = 1;
 | |
| 			break;
 | |
| 		}
 | |
| 	} else {
 | |
| 		DP(BNX2X_MSG_DCB, "DCB disabled\n");
 | |
| 		rval = 1;
 | |
| 	}
 | |
| 
 | |
| 	return rval;
 | |
| }
 | |
| 
 | |
| static u8 bnx2x_dcbnl_set_featcfg(struct net_device *netdev, int featid,
 | |
| 				  u8 flags)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	u8 rval = 0;
 | |
| 
 | |
| 	DP(BNX2X_MSG_DCB, "featid = %d flags = %02x\n", featid, flags);
 | |
| 
 | |
| 	/* ignore the 'advertise' flag */
 | |
| 	if (bnx2x_dcbnl_set_valid(bp)) {
 | |
| 		switch (featid) {
 | |
| 		case DCB_FEATCFG_ATTR_PG:
 | |
| 			bp->dcbx_config_params.admin_ets_enable =
 | |
| 				flags & DCB_FEATCFG_ENABLE ? 1 : 0;
 | |
| 			bp->dcbx_config_params.admin_ets_willing =
 | |
| 				flags & DCB_FEATCFG_WILLING ? 1 : 0;
 | |
| 			break;
 | |
| 		case DCB_FEATCFG_ATTR_PFC:
 | |
| 			bp->dcbx_config_params.admin_pfc_enable =
 | |
| 				flags & DCB_FEATCFG_ENABLE ? 1 : 0;
 | |
| 			bp->dcbx_config_params.admin_pfc_willing =
 | |
| 				flags & DCB_FEATCFG_WILLING ? 1 : 0;
 | |
| 			break;
 | |
| 		case DCB_FEATCFG_ATTR_APP:
 | |
| 			/* ignore enable, always enabled */
 | |
| 			bp->dcbx_config_params.admin_app_priority_willing =
 | |
| 				flags & DCB_FEATCFG_WILLING ? 1 : 0;
 | |
| 			break;
 | |
| 		default:
 | |
| 			BNX2X_ERR("Non valid feature-ID\n");
 | |
| 			rval = 1;
 | |
| 			break;
 | |
| 		}
 | |
| 	} else {
 | |
| 		DP(BNX2X_MSG_DCB, "dcbnl call not valid\n");
 | |
| 		rval = 1;
 | |
| 	}
 | |
| 
 | |
| 	return rval;
 | |
| }
 | |
| 
 | |
| static int bnx2x_peer_appinfo(struct net_device *netdev,
 | |
| 			      struct dcb_peer_app_info *info, u16* app_count)
 | |
| {
 | |
| 	int i;
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 
 | |
| 	DP(BNX2X_MSG_DCB, "APP-INFO\n");
 | |
| 
 | |
| 	info->willing = (bp->dcbx_remote_flags & DCBX_APP_REM_WILLING) ?: 0;
 | |
| 	info->error = (bp->dcbx_remote_flags & DCBX_APP_RX_ERROR) ?: 0;
 | |
| 	*app_count = 0;
 | |
| 
 | |
| 	for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++)
 | |
| 		if (bp->dcbx_remote_feat.app.app_pri_tbl[i].appBitfield &
 | |
| 		    DCBX_APP_ENTRY_VALID)
 | |
| 			(*app_count)++;
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int bnx2x_peer_apptable(struct net_device *netdev,
 | |
| 			       struct dcb_app *table)
 | |
| {
 | |
| 	int i, j;
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 
 | |
| 	DP(BNX2X_MSG_DCB, "APP-TABLE\n");
 | |
| 
 | |
| 	for (i = 0, j = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
 | |
| 		struct dcbx_app_priority_entry *ent =
 | |
| 			&bp->dcbx_remote_feat.app.app_pri_tbl[i];
 | |
| 
 | |
| 		if (ent->appBitfield & DCBX_APP_ENTRY_VALID) {
 | |
| 			table[j].selector = bnx2x_dcbx_dcbnl_app_idtype(ent);
 | |
| 			table[j].priority = bnx2x_dcbx_dcbnl_app_up(ent);
 | |
| 			table[j++].protocol = ent->app_id;
 | |
| 		}
 | |
| 	}
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int bnx2x_cee_peer_getpg(struct net_device *netdev, struct cee_pg *pg)
 | |
| {
 | |
| 	int i;
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 
 | |
| 	pg->willing = (bp->dcbx_remote_flags & DCBX_ETS_REM_WILLING) ?: 0;
 | |
| 
 | |
| 	for (i = 0; i < CEE_DCBX_MAX_PGS; i++) {
 | |
| 		pg->pg_bw[i] =
 | |
| 			DCBX_PG_BW_GET(bp->dcbx_remote_feat.ets.pg_bw_tbl, i);
 | |
| 		pg->prio_pg[i] =
 | |
| 			DCBX_PRI_PG_GET(bp->dcbx_remote_feat.ets.pri_pg_tbl, i);
 | |
| 	}
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static int bnx2x_cee_peer_getpfc(struct net_device *netdev,
 | |
| 				 struct cee_pfc *pfc)
 | |
| {
 | |
| 	struct bnx2x *bp = netdev_priv(netdev);
 | |
| 	pfc->tcs_supported = bp->dcbx_remote_feat.pfc.pfc_caps;
 | |
| 	pfc->pfc_en = bp->dcbx_remote_feat.pfc.pri_en_bitmap;
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops = {
 | |
| 	.getstate		= bnx2x_dcbnl_get_state,
 | |
| 	.setstate		= bnx2x_dcbnl_set_state,
 | |
| 	.getpermhwaddr		= bnx2x_dcbnl_get_perm_hw_addr,
 | |
| 	.setpgtccfgtx		= bnx2x_dcbnl_set_pg_tccfg_tx,
 | |
| 	.setpgbwgcfgtx		= bnx2x_dcbnl_set_pg_bwgcfg_tx,
 | |
| 	.setpgtccfgrx		= bnx2x_dcbnl_set_pg_tccfg_rx,
 | |
| 	.setpgbwgcfgrx		= bnx2x_dcbnl_set_pg_bwgcfg_rx,
 | |
| 	.getpgtccfgtx		= bnx2x_dcbnl_get_pg_tccfg_tx,
 | |
| 	.getpgbwgcfgtx		= bnx2x_dcbnl_get_pg_bwgcfg_tx,
 | |
| 	.getpgtccfgrx		= bnx2x_dcbnl_get_pg_tccfg_rx,
 | |
| 	.getpgbwgcfgrx		= bnx2x_dcbnl_get_pg_bwgcfg_rx,
 | |
| 	.setpfccfg		= bnx2x_dcbnl_set_pfc_cfg,
 | |
| 	.getpfccfg		= bnx2x_dcbnl_get_pfc_cfg,
 | |
| 	.setall			= bnx2x_dcbnl_set_all,
 | |
| 	.getcap			= bnx2x_dcbnl_get_cap,
 | |
| 	.getnumtcs		= bnx2x_dcbnl_get_numtcs,
 | |
| 	.setnumtcs		= bnx2x_dcbnl_set_numtcs,
 | |
| 	.getpfcstate		= bnx2x_dcbnl_get_pfc_state,
 | |
| 	.setpfcstate		= bnx2x_dcbnl_set_pfc_state,
 | |
| 	.setapp			= bnx2x_dcbnl_set_app_up,
 | |
| 	.getdcbx		= bnx2x_dcbnl_get_dcbx,
 | |
| 	.setdcbx		= bnx2x_dcbnl_set_dcbx,
 | |
| 	.getfeatcfg		= bnx2x_dcbnl_get_featcfg,
 | |
| 	.setfeatcfg		= bnx2x_dcbnl_set_featcfg,
 | |
| 	.peer_getappinfo	= bnx2x_peer_appinfo,
 | |
| 	.peer_getapptable	= bnx2x_peer_apptable,
 | |
| 	.cee_peer_getpg		= bnx2x_cee_peer_getpg,
 | |
| 	.cee_peer_getpfc	= bnx2x_cee_peer_getpfc,
 | |
| };
 | |
| 
 | |
| #endif /* BCM_DCBNL */
 |