[PATCH v3 3/5] app/testpmd: fix port status of slave device
Min Hu (Connor)
humin29 at huawei.com
Fri May 6 10:16:01 CEST 2022
Hi, Konstantin,
在 2022/5/4 7:39, Konstantin Ananyev 写道:
> 03/05/2022 11:02, Min Hu (Connor) пишет:
>> From: Huisong Li <lihuisong at huawei.com>
>>
>> Starting or stopping a bonded port also starts or stops all active slaves
>> under the bonded port. If this port is a bonded device, we need to modify
>> the port status of all slaves.
>>
>> Fixes: 0e545d3047fe ("app/testpmd: check stopping port is not in
>> bonding")
>> Cc: stable at dpdk.org
>>
>> Signed-off-by: Huisong Li <lihuisong at huawei.com>
>> Signed-off-by: Min Hu (Connor) <humin29 at huawei.com>
>> Acked-by: Aman Singh <aman.deep.singh at intel.com>
>> ---
>> app/test-pmd/cmdline.c | 1 +
>> app/test-pmd/testpmd.c | 74 +++++++++++++++++++++++++++++++++++++++---
>> app/test-pmd/testpmd.h | 3 +-
>> 3 files changed, 73 insertions(+), 5 deletions(-)
>>
>> diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
>> index 6ffea8e21a..d9fc7a88bd 100644
>> --- a/app/test-pmd/cmdline.c
>> +++ b/app/test-pmd/cmdline.c
>> @@ -6671,6 +6671,7 @@ static void cmd_create_bonded_device_parsed(void
>> *parsed_result,
>> "Failed to enable promiscuous mode for port %u: %s -
>> ignore\n",
>> port_id, rte_strerror(-ret));
>> + ports[port_id].bond_flag = 1;
>> ports[port_id].need_setup = 0;
>> ports[port_id].port_status = RTE_PORT_STOPPED;
>> }
>> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
>> index fe2ce19f99..dc90600787 100644
>> --- a/app/test-pmd/testpmd.c
>> +++ b/app/test-pmd/testpmd.c
>> @@ -66,6 +66,9 @@
>> #ifdef RTE_EXEC_ENV_WINDOWS
>> #include <process.h>
>> #endif
>> +#ifdef RTE_NET_BOND
>> +#include <rte_eth_bond.h>
>> +#endif
>> #include "testpmd.h"
>> @@ -597,11 +600,57 @@ eth_dev_configure_mp(uint16_t port_id, uint16_t
>> nb_rx_q, uint16_t nb_tx_q,
>> return 0;
>> }
>> +#ifdef RTE_NET_BOND
>> +static int
>> +change_bonding_slave_port_status(portid_t bond_pid, bool is_stop)
>> +{
>> + portid_t slave_pids[RTE_MAX_ETHPORTS];
>> + struct rte_port *port;
>> + int num_slaves;
>> + portid_t slave_pid;
>> + int i;
>> +
>> + num_slaves = rte_eth_bond_slaves_get(bond_pid, slave_pids,
>> + RTE_MAX_ETHPORTS);
>> + if (num_slaves < 0) {
>> + fprintf(stderr, "Failed to get slave list for port = %u\n",
>> + bond_pid);
>> + return num_slaves;
>> + }
>> +
>> + for (i = 0; i < num_slaves; i++) {
>> + slave_pid = slave_pids[i];
>> + port = &ports[slave_pid];
>> + port->port_status =
>> + is_stop ? RTE_PORT_STOPPED : RTE_PORT_STARTED;
>> + }
>> +
>> + return 0;
>> +}
>> +#endif
>> +
>> static int
>> eth_dev_start_mp(uint16_t port_id)
>> {
>> - if (is_proc_primary())
>> - return rte_eth_dev_start(port_id);
>> + int ret;
>> +
>> + if (is_proc_primary()) {
>> + ret = rte_eth_dev_start(port_id);
>> + if (ret != 0)
>> + return ret;
>> +
>> +#ifdef RTE_NET_BOND
>> + struct rte_port *port = &ports[port_id];
>> +
>> + /*
>> + * Starting a bonded port also starts all slaves under the
>> bonded
>> + * device. So if this port is bond device, we need to modify the
>> + * port status of these slaves.
>> + */
>> + if (port->bond_flag == 1)
>> + return change_bonding_slave_port_status(port_id, false);
>> +#endif
>> + }
>> return 0;
>> }
>> @@ -609,8 +658,25 @@ eth_dev_start_mp(uint16_t port_id)
>> static int
>> eth_dev_stop_mp(uint16_t port_id)
>> {
>> - if (is_proc_primary())
>> - return rte_eth_dev_stop(port_id);
>> + int ret;
>> +
>> + if (is_proc_primary()) {
>> + ret = rte_eth_dev_stop(port_id);
>> + if (ret != 0)
>> + return ret;
>> +
>> +#ifdef RTE_NET_BOND
>
> Here and in other places - probably no need to pollute the code
> with all these 'ifdef RTE_NET_BOND'.
> I suppose this logic (for checking is bonding API present or not)
> can be hidden inside change_bonding_slave_port_status() itself.
>
I think it does not pollute the code. anyone can tell according to
the flag 'ifdef RTE_NET_BOND'.
if hiddle inside 'change_bonding_slave_port_status', it will be weird.
For example, if the port is not bonding port, It will also invoke
'change_bonding_slave_port_status'. That is unreasonable.
>
>> + struct rte_port *port = &ports[port_id];
>> +
>> + /*
>> + * Stopping a bonded port also stops all slaves under the bonded
>> + * device. So if this port is bond device, we need to modify the
>> + * port status of these slaves.
>> + */
>> + if (port->bond_flag == 1)
>> + return change_bonding_slave_port_status(port_id, true);
>> +#endif
>> + }
>> return 0;
>> }
>> diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h
>> index 31f766c965..67f253b30e 100644
>> --- a/app/test-pmd/testpmd.h
>> +++ b/app/test-pmd/testpmd.h
>> @@ -266,7 +266,8 @@ struct rte_port {
>> uint32_t mc_addr_nb; /**< nb. of addr. in
>> mc_addr_pool */
>> queueid_t queue_nb; /**< nb. of queues for flow
>> rules */
>> uint32_t queue_sz; /**< size of a queue for flow
>> rules */
>> - uint8_t slave_flag; /**< bonding slave port */
>> + uint8_t slave_flag : 1, /**< bonding slave port */
>> + bond_flag : 1; /**< port is bond device */
>> struct port_template *pattern_templ_list; /**< Pattern
>> templates. */
>> struct port_template *actions_templ_list; /**< Actions
>> templates. */
>> struct port_table *table_list; /**< Flow tables. */
>
> .
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