Re: [PATCH net-next] net: openvswitch: allow providing upcall pid for the 'execute' command

From: Ilya Maximets
Date: Wed Jul 02 2025 - 04:10:49 EST


On 7/2/25 4:21 AM, Jakub Kicinski wrote:
> On Sat, 28 Jun 2025 00:01:33 +0200 Ilya Maximets wrote:
>> @@ -616,6 +618,7 @@ static int ovs_packet_cmd_execute(struct sk_buff *skb, struct genl_info *info)
>> struct sw_flow_actions *sf_acts;
>> struct datapath *dp;
>> struct vport *input_vport;
>> + u32 upcall_pid = 0;
>> u16 mru = 0;
>> u64 hash;
>> int len;
>> @@ -651,6 +654,10 @@ static int ovs_packet_cmd_execute(struct sk_buff *skb, struct genl_info *info)
>> !!(hash & OVS_PACKET_HASH_L4_BIT));
>> }
>>
>> + if (a[OVS_PACKET_ATTR_UPCALL_PID])
>> + upcall_pid = nla_get_u32(a[OVS_PACKET_ATTR_UPCALL_PID]);
>> + OVS_CB(packet)->upcall_pid = upcall_pid;
>
> sorry for a late nit:
>
> OVS_CB(packet)->upcall_pid =
> nla_get_u32_default(a[OVS_PACKET_ATTR_UPCALL_PID], 0);
>
> ?

No worries. I was actually looking for ways to collapse this
block, but somehow missed these "new" accessors. I'll send a
v2 a bit later today in case there will be no further feedback.

Best regards, Ilya Maximets.