Re: [PATCH] net/bonding: fix bond startup failure when NUMA is -1

["humin (Q)" <humin29@huawei.com>]

Hi,


在 2023/6/16 11:20, Chaoyong He 写道:
> From: Zerun Fu <zerun.fu@corigine.com>
>
> After the mainline Linux kernel commit
> "fe205d984e7730f4d21f6f8ebc60f0698404ac31" (ACPI: Remove side effect
> of partly creating a node in acpi_map_pxm_to_online_node) by
> Jonathan Cameron. When the system does not support NUMA architecture,
> the "socket_id" is expected to be -1. The valid "socket_id" in
> BOND PMD is greater than or equal to zero. So it will cause an error
> when DPDK checks the validity of the "socket_id" when starting the
> bond. This commit can fix this bug.
>
> Fixes: f294e04851fd ("net/bonding: fix socket ID check")
> Cc: stable@dpdk.org
>
> Signed-off-by: Zerun Fu <zerun.fu@corigine.com>
> Reviewed-by: Peng Zhang <peng.zhang@corigine.com>
> Reviewed-by: Chaoyong He <chaoyong.he@corigine.com>
> Reviewed-by: Long Wu <long.wu@corigine.com>
> ---
>   drivers/net/bonding/rte_eth_bond_args.c | 6 ++++++
>   drivers/net/bonding/rte_eth_bond_pmd.c  | 2 +-
>   2 files changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/bonding/rte_eth_bond_args.c b/drivers/net/bonding/rte_eth_bond_args.c
> index 6553166f5c..c137efd55f 100644
> --- a/drivers/net/bonding/rte_eth_bond_args.c
> +++ b/drivers/net/bonding/rte_eth_bond_args.c
> @@ -212,6 +212,12 @@ bond_ethdev_parse_socket_id_kvarg(const char *key __rte_unused,
>   	if (*endptr != 0 || errno != 0)
>   		return -1;
>   
> +	/* SOCKET_ID_ANY also consider a valid socket id */
> +	if ((int8_t)socket_id == SOCKET_ID_ANY) {
> +		*(int *)extra_args = SOCKET_ID_ANY;
> +		return 0;
> +	}
> +
>   	/* validate socket id value */
>   	if (socket_id >= 0 && socket_id < RTE_MAX_NUMA_NODES) {
>   		*(int *)extra_args = (int)socket_id;
> diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
> index f0c4f7d26b..390a5b4271 100644
> --- a/drivers/net/bonding/rte_eth_bond_pmd.c
> +++ b/drivers/net/bonding/rte_eth_bond_pmd.c
> @@ -3604,7 +3604,7 @@ static int
>   bond_alloc(struct rte_vdev_device *dev, uint8_t mode)
>   {
>   	const char *name = rte_vdev_device_name(dev);
> -	uint8_t socket_id = dev->device.numa_node;
> +	int socket_id = dev->device.numa_node;

Well,  other point should be also modified, like :

***

"socket %u.",    name, bonding_mode, socket_id);

***

%u -- > %d.


BTW,  I think  there is  no need  to add args like "socket_id=-1..." if 
we know this server does not support NUMA.

Default socket id is -1, so this is meaningless.



>   	struct bond_dev_private *internals = NULL;
>   	struct rte_eth_dev *eth_dev = NULL;
>   	uint32_t vlan_filter_bmp_size;