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* [dpdk-dev] [PATCH] app/testpmd: fix device mcast list error handling
@ 2019-12-04 16:38 Ciara Power
  2019-12-04 16:48 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
  0 siblings, 1 reply; 3+ messages in thread
From: Ciara Power @ 2019-12-04 16:38 UTC (permalink / raw)
  To: wenzhuo.lu, jingjing.wu, bernard.iremonger
  Cc: dev, Ciara Power, ivan.boule, stable

The multicast set list function now has a return value, which is checked
by the calling functions. A rollback occurs on detection of failure, to
realign local config with the device config.

The error print statement in the function had included the port_id and
mc_addr_nb values in the wrong order, these are now swapped.

Fixes: 8fff667578a7 ("app/testpmd: new command to add/remove multicast MAC addresses")
Cc: ivan.boule@6wind.com
Cc: stable@dpdk.org

Signed-off-by: Ciara Power <ciara.power@intel.com>
---
 app/test-pmd/config.c | 31 +++++++++++++++++++++----------
 1 file changed, 21 insertions(+), 10 deletions(-)

diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index d59968278..8c8621779 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -3707,6 +3707,14 @@ mcast_addr_pool_extend(struct rte_port *port)
 
 }
 
+static void
+mcast_addr_pool_append(struct rte_port *port, struct rte_ether_addr *mc_addr)
+{
+	if (mcast_addr_pool_extend(port) != 0)
+		return;
+	rte_ether_addr_copy(mc_addr, &port->mc_addr_pool[port->mc_addr_nb - 1]);
+}
+
 static void
 mcast_addr_pool_remove(struct rte_port *port, uint32_t addr_idx)
 {
@@ -3725,7 +3733,7 @@ mcast_addr_pool_remove(struct rte_port *port, uint32_t addr_idx)
 		sizeof(struct rte_ether_addr) * (port->mc_addr_nb - addr_idx));
 }
 
-static void
+static int
 eth_port_multicast_addr_list_set(portid_t port_id)
 {
 	struct rte_port *port;
@@ -3734,10 +3742,11 @@ eth_port_multicast_addr_list_set(portid_t port_id)
 	port = &ports[port_id];
 	diag = rte_eth_dev_set_mc_addr_list(port_id, port->mc_addr_pool,
 					    port->mc_addr_nb);
-	if (diag == 0)
-		return;
-	printf("rte_eth_dev_set_mc_addr_list(port=%d, nb=%u) failed. diag=%d\n",
-	       port->mc_addr_nb, port_id, -diag);
+	if (diag < 0)
+		printf("rte_eth_dev_set_mc_addr_list(port=%d, nb=%u) failed. diag=%d\n",
+			port_id, port->mc_addr_nb, diag);
+
+	return diag;
 }
 
 void
@@ -3762,10 +3771,10 @@ mcast_addr_add(portid_t port_id, struct rte_ether_addr *mc_addr)
 		}
 	}
 
-	if (mcast_addr_pool_extend(port) != 0)
-		return;
-	rte_ether_addr_copy(mc_addr, &port->mc_addr_pool[i]);
-	eth_port_multicast_addr_list_set(port_id);
+	mcast_addr_pool_append(port, mc_addr);
+	if (eth_port_multicast_addr_list_set(port_id) < 0)
+		/* Rollback on failure, remove the address from the pool */
+		mcast_addr_pool_remove(port, i);
 }
 
 void
@@ -3792,7 +3801,9 @@ mcast_addr_remove(portid_t port_id, struct rte_ether_addr *mc_addr)
 	}
 
 	mcast_addr_pool_remove(port, i);
-	eth_port_multicast_addr_list_set(port_id);
+	if (eth_port_multicast_addr_list_set(port_id) < 0)
+		/* Rollback on failure, add the address back into the pool */
+		mcast_addr_pool_append(port, mc_addr);
 }
 
 void
-- 
2.17.1


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [dpdk-dev] [dpdk-stable] [PATCH] app/testpmd: fix device mcast list error handling
  2019-12-04 16:38 [dpdk-dev] [PATCH] app/testpmd: fix device mcast list error handling Ciara Power
@ 2019-12-04 16:48 ` Ferruh Yigit
  2019-12-09 11:59   ` Ferruh Yigit
  0 siblings, 1 reply; 3+ messages in thread
From: Ferruh Yigit @ 2019-12-04 16:48 UTC (permalink / raw)
  To: Ciara Power, wenzhuo.lu, jingjing.wu, bernard.iremonger
  Cc: dev, ivan.boule, stable

On 12/4/2019 4:38 PM, Ciara Power wrote:
> The multicast set list function now has a return value, which is checked
> by the calling functions. A rollback occurs on detection of failure, to
> realign local config with the device config.
> 
> The error print statement in the function had included the port_id and
> mc_addr_nb values in the wrong order, these are now swapped.
> 
> Fixes: 8fff667578a7 ("app/testpmd: new command to add/remove multicast MAC addresses")
> Cc: ivan.boule@6wind.com
> Cc: stable@dpdk.org
> 
> Signed-off-by: Ciara Power <ciara.power@intel.com>

Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [dpdk-dev] [dpdk-stable] [PATCH] app/testpmd: fix device mcast list error handling
  2019-12-04 16:48 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
@ 2019-12-09 11:59   ` Ferruh Yigit
  0 siblings, 0 replies; 3+ messages in thread
From: Ferruh Yigit @ 2019-12-09 11:59 UTC (permalink / raw)
  To: Ciara Power, wenzhuo.lu, jingjing.wu, bernard.iremonger
  Cc: dev, ivan.boule, stable

On 12/4/2019 4:48 PM, Ferruh Yigit wrote:
> On 12/4/2019 4:38 PM, Ciara Power wrote:
>> The multicast set list function now has a return value, which is checked
>> by the calling functions. A rollback occurs on detection of failure, to
>> realign local config with the device config.
>>
>> The error print statement in the function had included the port_id and
>> mc_addr_nb values in the wrong order, these are now swapped.
>>
>> Fixes: 8fff667578a7 ("app/testpmd: new command to add/remove multicast MAC addresses")
>> Cc: ivan.boule@6wind.com
>> Cc: stable@dpdk.org
>>
>> Signed-off-by: Ciara Power <ciara.power@intel.com>
> 
> Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
> 

Applied to dpdk-next-net/master, thanks.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-12-09 11:59 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2019-12-04 16:38 [dpdk-dev] [PATCH] app/testpmd: fix device mcast list error handling Ciara Power
2019-12-04 16:48 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
2019-12-09 11:59   ` Ferruh Yigit

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