[PATCH net 0/4] bnx2x: Fix series

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6 messages, 2 authors, 2018-12-13 · open the first message on its own page

[PATCH net 0/4] bnx2x: Fix series

From: Sudarsana Reddy Kalluru <hidden>
Date: 2018-12-12 16:57:12

From: Sudarsana Reddy Kalluru <redacted>

The patch series addresses few important issues in the bnx2x driver.
Please consider applying it 'net' tree.

Sudarsana Reddy Kalluru (4):
  bnx2x: Clear fip MAC when fcoe offload support is disabled
  bnx2x: Remove configured vlans as part of unload sequence.
  bnx2x: Enable PTP only on the PF that initializes the port
  bnx2x: Send update-svid ramrod with retry/poll flags enabled

 drivers/net/ethernet/broadcom/bnx2x/bnx2x.h      |  2 +
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c  |  1 +
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 70 +++++++++++++++++-------
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h   |  4 +-
 4 files changed, 55 insertions(+), 22 deletions(-)

-- 
1.8.3.1

[PATCH net 1/4] bnx2x: Clear fip MAC when fcoe offload support is disabled

From: Sudarsana Reddy Kalluru <hidden>
Date: 2018-12-12 16:57:15

On some customer setups it was observed that shmem contains a non-zero fip
MAC for 57711 which would lead to enabling of SW FCoE.
Add a software workaround to clear the bad fip mac address if no FCoE
connections are supported.

Signed-off-by: Sudarsana Reddy Kalluru <redacted>
Signed-off-by: Ariel Elior <redacted>
---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 95309b2..9052d578 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -11750,8 +11750,10 @@ static void bnx2x_get_fcoe_info(struct bnx2x *bp)
 	 * If maximum allowed number of connections is zero -
 	 * disable the feature.
 	 */
-	if (!bp->cnic_eth_dev.max_fcoe_conn)
+	if (!bp->cnic_eth_dev.max_fcoe_conn) {
 		bp->flags |= NO_FCOE_FLAG;
+		eth_zero_addr(bp->fip_mac);
+	}
 }
 
 static void bnx2x_get_cnic_info(struct bnx2x *bp)
-- 
1.8.3.1

[PATCH net 2/4] bnx2x: Remove configured vlans as part of unload sequence.

From: Sudarsana Reddy Kalluru <hidden>
Date: 2018-12-12 16:57:18

Vlans are not getting removed when drivers are unloaded. The recent storm
firmware versions had added safeguards against re-configuring an already
configured vlan. As a result, PF inner reload flows (e.g., mtu change)
might trigger an assertion.
This change is going to remove vlans (same as we do for MACs) when doing
a chip cleanup during unload.

Signed-off-by: Sudarsana Reddy Kalluru <redacted>
Signed-off-by: Ariel Elior <redacted>
---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 34 +++++++++++++++++++-----
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h   |  4 ++-
 2 files changed, 30 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 9052d578..01a973e 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -8472,6 +8472,7 @@ int bnx2x_set_vlan_one(struct bnx2x *bp, u16 vlan,
 	/* Fill a user request section if needed */
 	if (!test_bit(RAMROD_CONT, ramrod_flags)) {
 		ramrod_param.user_req.u.vlan.vlan = vlan;
+		__set_bit(BNX2X_VLAN, &ramrod_param.user_req.vlan_mac_flags);
 		/* Set the command: ADD or DEL */
 		if (set)
 			ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
@@ -8492,6 +8493,27 @@ int bnx2x_set_vlan_one(struct bnx2x *bp, u16 vlan,
 	return rc;
 }
 
+static int bnx2x_del_all_vlans(struct bnx2x *bp)
+{
+	struct bnx2x_vlan_mac_obj *vlan_obj = &bp->sp_objs[0].vlan_obj;
+	unsigned long ramrod_flags = 0, vlan_flags = 0;
+	struct bnx2x_vlan_entry *vlan;
+	int rc;
+
+	__set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
+	__set_bit(BNX2X_VLAN, &vlan_flags);
+	rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_flags, &ramrod_flags);
+	if (rc)
+		return rc;
+
+	/* Mark that hw forgot all entries */
+	list_for_each_entry(vlan, &bp->vlan_reg, link)
+		vlan->hw = false;
+	bp->vlan_cnt = 0;
+
+	return 0;
+}
+
 int bnx2x_del_all_macs(struct bnx2x *bp,
 		       struct bnx2x_vlan_mac_obj *mac_obj,
 		       int mac_type, bool wait_for_comp)
@@ -9330,6 +9352,11 @@ void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link)
 		BNX2X_ERR("Failed to schedule DEL commands for UC MACs list: %d\n",
 			  rc);
 
+	/* Remove all currently configured VLANs */
+	rc = bnx2x_del_all_vlans(bp);
+	if (rc < 0)
+		BNX2X_ERR("Failed to delete all VLANs\n");
+
 	/* Disable LLH */
 	if (!CHIP_IS_E1(bp))
 		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
@@ -13026,13 +13053,6 @@ static void bnx2x_vlan_configure(struct bnx2x *bp, bool set_rx_mode)
 
 int bnx2x_vlan_reconfigure_vid(struct bnx2x *bp)
 {
-	struct bnx2x_vlan_entry *vlan;
-
-	/* The hw forgot all entries after reload */
-	list_for_each_entry(vlan, &bp->vlan_reg, link)
-		vlan->hw = false;
-	bp->vlan_cnt = 0;
-
 	/* Don't set rx mode here. Our caller will do it. */
 	bnx2x_vlan_configure(bp, false);
 
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
index 0bf2fd4..7a6e82d 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h
@@ -265,6 +265,7 @@ enum {
 	BNX2X_ETH_MAC,
 	BNX2X_ISCSI_ETH_MAC,
 	BNX2X_NETQ_ETH_MAC,
+	BNX2X_VLAN,
 	BNX2X_DONT_CONSUME_CAM_CREDIT,
 	BNX2X_DONT_CONSUME_CAM_CREDIT_DEST,
 };
@@ -272,7 +273,8 @@ enum {
 #define BNX2X_VLAN_MAC_CMP_MASK	(1 << BNX2X_UC_LIST_MAC | \
 				 1 << BNX2X_ETH_MAC | \
 				 1 << BNX2X_ISCSI_ETH_MAC | \
-				 1 << BNX2X_NETQ_ETH_MAC)
+				 1 << BNX2X_NETQ_ETH_MAC | \
+				 1 << BNX2X_VLAN)
 #define BNX2X_VLAN_MAC_CMP_FLAGS(flags) \
 	((flags) & BNX2X_VLAN_MAC_CMP_MASK)
 
-- 
1.8.3.1

[PATCH net 3/4] bnx2x: Enable PTP only on the PF that initializes the port

From: Sudarsana Reddy Kalluru <hidden>
Date: 2018-12-12 16:57:22

There will be only one PHC clock per port. PTP should be enabled only on
one PF per port. The change enables PTP functionality on the PF that
initializes the port. The change is useful in multi-function modes e.g.,
NPAR where a port can have more than one PF.

Signed-off-by: Sudarsana Reddy Kalluru <redacted>
Signed-off-by: Ariel Elior <redacted>
---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x.h      |  1 +
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c  |  1 +
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 22 ++++++++++------------
 3 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index 0de487a..7ea9066 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -2520,6 +2520,7 @@ enum {
 void bnx2x_init_ptp(struct bnx2x *bp);
 int bnx2x_configure_ptp_filters(struct bnx2x *bp);
 void bnx2x_set_rx_ts(struct bnx2x *bp, struct sk_buff *skb);
+void bnx2x_register_phc(struct bnx2x *bp);
 
 #define BNX2X_MAX_PHC_DRIFT 31000000
 #define BNX2X_PTP_TX_TIMEOUT
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 686899d..ecb1bd7 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -2842,6 +2842,7 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 	bnx2x_set_rx_mode_inner(bp);
 
 	if (bp->flags & PTP_SUPPORTED) {
+		bnx2x_register_phc(bp);
 		bnx2x_init_ptp(bp);
 		bnx2x_configure_ptp_filters(bp);
 	}
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 01a973e..6b54eb1 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -7723,6 +7723,9 @@ static int bnx2x_init_hw_port(struct bnx2x *bp)
 		REG_WR(bp, reg_addr, val);
 	}
 
+	if (CHIP_IS_E3B0(bp))
+		bp->flags |= PTP_SUPPORTED;
+
 	return 0;
 }
 
@@ -9444,8 +9447,13 @@ void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode, bool keep_link)
 	 * function stop ramrod is sent, since as part of this ramrod FW access
 	 * PTP registers.
 	 */
-	if (bp->flags & PTP_SUPPORTED)
+	if (bp->flags & PTP_SUPPORTED) {
 		bnx2x_stop_ptp(bp);
+		if (bp->ptp_clock) {
+			ptp_clock_unregister(bp->ptp_clock);
+			bp->ptp_clock = NULL;
+		}
+	}
 
 	/* Disable HW interrupts, NAPI */
 	bnx2x_netif_stop(bp, 1);
@@ -12523,9 +12531,6 @@ static int bnx2x_init_bp(struct bnx2x *bp)
 
 	bp->dump_preset_idx = 1;
 
-	if (CHIP_IS_E3B0(bp))
-		bp->flags |= PTP_SUPPORTED;
-
 	return rc;
 }
 
@@ -13917,7 +13922,7 @@ static int bnx2x_ptp_enable(struct ptp_clock_info *ptp,
 	return -ENOTSUPP;
 }
 
-static void bnx2x_register_phc(struct bnx2x *bp)
+void bnx2x_register_phc(struct bnx2x *bp)
 {
 	/* Fill the ptp_clock_info struct and register PTP clock*/
 	bp->ptp_clock_info.owner = THIS_MODULE;
@@ -14119,8 +14124,6 @@ static int bnx2x_init_one(struct pci_dev *pdev,
 	       dev->base_addr, bp->pdev->irq, dev->dev_addr);
 	pcie_print_link_status(bp->pdev);
 
-	bnx2x_register_phc(bp);
-
 	if (!IS_MF_SD_STORAGE_PERSONALITY_ONLY(bp))
 		bnx2x_set_os_driver_state(bp, OS_DRIVER_STATE_DISABLED);
 
@@ -14153,11 +14156,6 @@ static void __bnx2x_remove(struct pci_dev *pdev,
 			   struct bnx2x *bp,
 			   bool remove_netdev)
 {
-	if (bp->ptp_clock) {
-		ptp_clock_unregister(bp->ptp_clock);
-		bp->ptp_clock = NULL;
-	}
-
 	/* Delete storage MAC address */
 	if (!NO_FCOE(bp)) {
 		rtnl_lock();
-- 
1.8.3.1

[PATCH net 4/4] bnx2x: Send update-svid ramrod with retry/poll flags enabled

From: Sudarsana Reddy Kalluru <hidden>
Date: 2018-12-12 17:00:04

Driver sends update-SVID ramrod in the MFW notification path.
If there is a pending ramrod, driver doesn't retry the command
and storm firmware will never be updated with the SVID value.
The patch adds changes to send update-svid ramrod in process context with
retry/poll flags set.

Signed-off-by: Sudarsana Reddy Kalluru <redacted>
Signed-off-by: Ariel Elior <redacted>
---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x.h      |  1 +
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 10 +++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index 7ea9066..5cd3135 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -1282,6 +1282,7 @@ enum sp_rtnl_flag {
 	BNX2X_SP_RTNL_TX_STOP,
 	BNX2X_SP_RTNL_GET_DRV_VERSION,
 	BNX2X_SP_RTNL_CHANGE_UDP_PORT,
+	BNX2X_SP_RTNL_UPDATE_SVID,
 };
 
 enum bnx2x_iov_flag {
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 6b54eb1..b164f70 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -2925,6 +2925,10 @@ static void bnx2x_handle_update_svid_cmd(struct bnx2x *bp)
 	func_params.f_obj = &bp->func_obj;
 	func_params.cmd = BNX2X_F_CMD_SWITCH_UPDATE;
 
+	/* Prepare parameters for function state transitions */
+	__set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
+	__set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
+
 	if (IS_MF_UFP(bp) || IS_MF_BD(bp)) {
 		int func = BP_ABS_FUNC(bp);
 		u32 val;
@@ -4311,7 +4315,8 @@ static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
 				bnx2x_handle_eee_event(bp);
 
 			if (val & DRV_STATUS_OEM_UPDATE_SVID)
-				bnx2x_handle_update_svid_cmd(bp);
+				bnx2x_schedule_sp_rtnl(bp,
+					BNX2X_SP_RTNL_UPDATE_SVID, 0);
 
 			if (bp->link_vars.periodic_flags &
 			    PERIODIC_FLAGS_LINK_EVENT) {
@@ -10394,6 +10399,9 @@ static void bnx2x_sp_rtnl_task(struct work_struct *work)
 			       &bp->sp_rtnl_state))
 		bnx2x_update_mng_version(bp);
 
+	if (test_and_clear_bit(BNX2X_SP_RTNL_UPDATE_SVID, &bp->sp_rtnl_state))
+		bnx2x_handle_update_svid_cmd(bp);
+
 	if (test_and_clear_bit(BNX2X_SP_RTNL_CHANGE_UDP_PORT,
 			       &bp->sp_rtnl_state)) {
 		if (bnx2x_udp_port_update(bp)) {
-- 
1.8.3.1

Re: [PATCH net 0/4] bnx2x: Fix series

From: David Miller <davem@davemloft.net>
Date: 2018-12-13 00:25:30

From: Sudarsana Reddy Kalluru <redacted>
Date: Wed, 12 Dec 2018 08:56:59 -0800
From: Sudarsana Reddy Kalluru <redacted>

The patch series addresses few important issues in the bnx2x driver.
Please consider applying it 'net' tree.
Series applied, thanks.
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