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path: root/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c139
1 files changed, 95 insertions, 44 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
index 0c94df47e0e8..9af81630c8a4 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
@@ -1,18 +1,20 @@
-/* bnx2x_dcb.c: Broadcom Everest network driver.
+/* bnx2x_dcb.c: QLogic Everest network driver.
*
* Copyright 2009-2013 Broadcom Corporation
+ * Copyright 2014 QLogic Corporation
+ * All rights reserved
*
- * Unless you and Broadcom execute a separate written software license
+ * Unless you and QLogic execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2, available
* at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
*
* Notwithstanding the above, under no circumstances may you combine this
- * software in any way with any other Broadcom software provided under a
- * license other than the GPL, without Broadcom's express prior written
+ * software in any way with any other QLogic software provided under a
+ * license other than the GPL, without QLogic's express prior written
* consent.
*
- * Maintained by: Eilon Greenstein <eilong@broadcom.com>
+ * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
* Written by: Dmitry Kravkov
*
*/
@@ -30,10 +32,8 @@
#include "bnx2x_dcb.h"
/* forward declarations of dcbx related functions */
-static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp);
static void bnx2x_pfc_set_pfc(struct bnx2x *bp);
static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp);
-static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp);
static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp,
u32 *set_configuration_ets_pg,
u32 *pri_pg_tbl);
@@ -195,6 +195,7 @@ static void bnx2x_dcbx_get_ap_feature(struct bnx2x *bp,
u32 error) {
u8 index;
u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
+ u8 iscsi_pri_found = 0, fcoe_pri_found = 0;
if (GET_FLAGS(error, DCBX_LOCAL_APP_ERROR))
DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_ERROR\n");
@@ -210,29 +211,57 @@ static void bnx2x_dcbx_get_ap_feature(struct bnx2x *bp,
bp->dcbx_port_params.app.enabled = true;
+ /* Use 0 as the default application priority for all. */
for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++)
ttp[index] = 0;
- if (app->default_pri < MAX_PFC_PRIORITIES)
- ttp[LLFC_TRAFFIC_TYPE_NW] = app->default_pri;
-
for (index = 0 ; index < DCBX_MAX_APP_PROTOCOL; index++) {
struct dcbx_app_priority_entry *entry =
app->app_pri_tbl;
+ enum traffic_type type = MAX_TRAFFIC_TYPE;
if (GET_FLAGS(entry[index].appBitfield,
- DCBX_APP_SF_ETH_TYPE) &&
- ETH_TYPE_FCOE == entry[index].app_id)
- bnx2x_dcbx_get_ap_priority(bp,
- entry[index].pri_bitmap,
- LLFC_TRAFFIC_TYPE_FCOE);
+ DCBX_APP_SF_DEFAULT) &&
+ GET_FLAGS(entry[index].appBitfield,
+ DCBX_APP_SF_ETH_TYPE)) {
+ type = LLFC_TRAFFIC_TYPE_NW;
+ } else if (GET_FLAGS(entry[index].appBitfield,
+ DCBX_APP_SF_PORT) &&
+ TCP_PORT_ISCSI == entry[index].app_id) {
+ type = LLFC_TRAFFIC_TYPE_ISCSI;
+ iscsi_pri_found = 1;
+ } else if (GET_FLAGS(entry[index].appBitfield,
+ DCBX_APP_SF_ETH_TYPE) &&
+ ETH_TYPE_FCOE == entry[index].app_id) {
+ type = LLFC_TRAFFIC_TYPE_FCOE;
+ fcoe_pri_found = 1;
+ }
- if (GET_FLAGS(entry[index].appBitfield,
- DCBX_APP_SF_PORT) &&
- TCP_PORT_ISCSI == entry[index].app_id)
- bnx2x_dcbx_get_ap_priority(bp,
- entry[index].pri_bitmap,
- LLFC_TRAFFIC_TYPE_ISCSI);
+ if (type == MAX_TRAFFIC_TYPE)
+ continue;
+
+ bnx2x_dcbx_get_ap_priority(bp,
+ entry[index].pri_bitmap,
+ type);
+ }
+
+ /* If we have received a non-zero default application
+ * priority, then use that for applications which are
+ * not configured with any priority.
+ */
+ if (ttp[LLFC_TRAFFIC_TYPE_NW] != 0) {
+ if (!iscsi_pri_found) {
+ ttp[LLFC_TRAFFIC_TYPE_ISCSI] =
+ ttp[LLFC_TRAFFIC_TYPE_NW];
+ DP(BNX2X_MSG_DCB,
+ "ISCSI is using default priority.\n");
+ }
+ if (!fcoe_pri_found) {
+ ttp[LLFC_TRAFFIC_TYPE_FCOE] =
+ ttp[LLFC_TRAFFIC_TYPE_NW];
+ DP(BNX2X_MSG_DCB,
+ "FCoE is using default priority.\n");
+ }
}
} else {
DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_DISABLED\n");
@@ -315,7 +344,7 @@ static void bnx2x_dcbx_get_pfc_feature(struct bnx2x *bp,
}
}
-/* maps unmapped priorities to to the same COS as L2 */
+/* maps unmapped priorities to the same COS as L2 */
static void bnx2x_dcbx_map_nw(struct bnx2x *bp)
{
int i;
@@ -425,30 +454,52 @@ static void bnx2x_pfc_set_pfc(struct bnx2x *bp)
bnx2x_pfc_clear(bp);
}
-static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *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");
- return bnx2x_func_state_change(bp, &func_params);
+
+ rc = bnx2x_func_state_change(bp, &func_params);
+ if (rc) {
+ BNX2X_ERR("Unable to hold traffic for HW configuration\n");
+ bnx2x_panic();
+ }
+
+ return rc;
}
-static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp)
+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");
- return bnx2x_func_state_change(bp, &func_params);
+
+ 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)
@@ -690,8 +741,7 @@ static inline void bnx2x_dcbx_update_tc_mapping(struct bnx2x *bp)
* as we are handling an attention on a work queue which must be
* flushed at some rtnl-locked contexts (e.g. if down)
*/
- if (!test_and_set_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
- schedule_delayed_work(&bp->sp_rtnl_task, 0);
+ bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_SETUP_TC, 0);
}
void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
@@ -744,8 +794,7 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
if (IS_MF(bp))
bnx2x_link_sync_notify(bp);
- bnx2x_dcbx_stop_hw_tx(bp);
-
+ bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_TX_STOP, 0);
return;
}
case BNX2X_DCBX_STATE_TX_PAUSED:
@@ -753,8 +802,9 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
bnx2x_pfc_set_pfc(bp);
bnx2x_dcbx_update_ets_params(bp);
- bnx2x_dcbx_resume_hw_tx(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");
@@ -1095,7 +1145,7 @@ static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp,
break;
}
}
- if (false == pg_found) {
+ if (!pg_found) {
data[help_data->num_of_pg].pg = add_pg;
data[help_data->num_of_pg].pg_priority =
(1 << ttp[add_traf_type]);
@@ -1105,7 +1155,7 @@ static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp,
}
DP(BNX2X_MSG_DCB,
"add_traf_type %d pg_found %s num_of_pg %d\n",
- add_traf_type, (false == pg_found) ? "NO" : "YES",
+ add_traf_type, !pg_found ? "NO" : "YES",
help_data->num_of_pg);
}
}
@@ -1494,8 +1544,7 @@ static void bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params(
if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) {
entry = 0;
- if (i == (num_of_pri-1) &&
- false == b_found_strict)
+ if (i == (num_of_pri-1) && !b_found_strict)
/* last entry will be handled separately
* If no priority is strict than last
* entry goes to last queue.
@@ -1831,6 +1880,8 @@ static void bnx2x_dcbx_fw_struct(struct bnx2x *bp,
if (bp->dcbx_port_params.ets.cos_params[cos].
pri_bitmask & pri_bit)
tt2cos[pri].cos = cos;
+
+ pfc_fw_cfg->dcb_outer_pri[pri] = ttp[pri];
}
/* we never want the FW to add a 0 vlan tag */
@@ -2073,7 +2124,6 @@ static void bnx2x_dcbnl_get_pfc_cfg(struct net_device *netdev, int prio,
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");
@@ -2091,9 +2141,7 @@ static u8 bnx2x_dcbnl_set_all(struct net_device *netdev)
1);
bnx2x_dcbx_init(bp, true);
}
- DP(BNX2X_MSG_DCB, "set_dcbx_params done (%d)\n", rc);
- if (rc)
- return 1;
+ DP(BNX2X_MSG_DCB, "set_dcbx_params done\n");
return 0;
}
@@ -2284,8 +2332,8 @@ static int bnx2x_set_admin_app_up(struct bnx2x *bp, u8 idtype, u16 idval, u8 up)
return 0;
}
-static u8 bnx2x_dcbnl_set_app_up(struct net_device *netdev, u8 idtype,
- u16 idval, u8 up)
+static int bnx2x_dcbnl_set_app_up(struct net_device *netdev, u8 idtype,
+ u16 idval, u8 up)
{
struct bnx2x *bp = netdev_priv(netdev);
@@ -2363,21 +2411,24 @@ static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int 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)
+ 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_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_LOCAL_APP_MISMATCH |
+ DCBX_REMOTE_MIB_ERROR))
*flags |= DCB_FEATCFG_ERROR;
break;
default:
generated by cgit (git 2.34.1) at 2025-12-26 21:44:53 +0000