netdev - Re: [PATCH net-next 6/6] team: remove unused input parameters in lb_htpm_select_tx_port and lb_hash_select_tx

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Date: Fri, 4 Aug 2023 18:56:04 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: shaozhengchao <shaozhengchao@...wei.com>
Cc: netdev@...r.kernel.org, bpf@...r.kernel.org, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	weiyongjun1@...wei.com, yuehaibing@...wei.com
Subject: Re: [PATCH net-next 6/6] team: remove unused input parameters in
 lb_htpm_select_tx_port and lb_hash_select_tx_port

Fri, Aug 04, 2023 at 04:06:39PM CEST, shaozhengchao@...wei.com wrote:
>
>
>On 2023/8/4 21:45, Jiri Pirko wrote:
>> Fri, Aug 04, 2023 at 02:31:16PM CEST, shaozhengchao@...wei.com wrote:
>> > The input parameters "lb_priv" and "skb" in lb_htpm_select_tx_port and
>> > lb_hash_select_tx_port are unused, so remove them.
>> > 
>> > Signed-off-by: Zhengchao Shao <shaozhengchao@...wei.com>
>> > ---
>> > drivers/net/team/team_mode_loadbalance.c | 10 ++--------
>> > 1 file changed, 2 insertions(+), 8 deletions(-)
>> > 
>> > diff --git a/drivers/net/team/team_mode_loadbalance.c b/drivers/net/team/team_mode_loadbalance.c
>> > index a6021ae51d0d..00f8989c29c0 100644
>> > --- a/drivers/net/team/team_mode_loadbalance.c
>> > +++ b/drivers/net/team/team_mode_loadbalance.c
>> > @@ -30,8 +30,6 @@ static rx_handler_result_t lb_receive(struct team *team, struct team_port *port,
>> > struct lb_priv;
>> > 
>> > typedef struct team_port *lb_select_tx_port_func_t(struct team *,
>> > -						   struct lb_priv *,
>> > -						   struct sk_buff *,
>> > 						   unsigned char);
>> > 
>> > #define LB_TX_HASHTABLE_SIZE 256 /* hash is a char */
>> > @@ -118,8 +116,6 @@ static void lb_tx_hash_to_port_mapping_null_port(struct team *team,
>> > 
>> > /* Basic tx selection based solely by hash */
>> > static struct team_port *lb_hash_select_tx_port(struct team *team,
>> > -						struct lb_priv *lb_priv,
>> > -						struct sk_buff *skb,
>> > 						unsigned char hash)
>> > {
>> > 	int port_index = team_num_to_port_index(team, hash);
>> > @@ -129,8 +125,6 @@ static struct team_port *lb_hash_select_tx_port(struct team *team,
>> > 
>> > /* Hash to port mapping select tx port */
>> > static struct team_port *lb_htpm_select_tx_port(struct team *team,
>> > -						struct lb_priv *lb__priv,
>> 
>> Squash the previous patch in this one to avoid this odd "__" thing.
>> 
>> Thanks!
>> 
>Hi Jiri:
>	Thank you for your review. I will change it and send v2.

Did you hear about netdev rules by any chance?

https://www.kernel.org/doc/html/v6.5-rc4/process/maintainer-netdev.html?highlight=24h

Could you please read it?


>
>Zhengchao Shao
>> 
>> > -						struct sk_buff *skb,
>> > 						unsigned char hash)
>> > {
>> > 	struct lb_priv *lb_priv = get_lb_priv(team);
>> > @@ -140,7 +134,7 @@ static struct team_port *lb_htpm_select_tx_port(struct team *team,
>> > 	if (likely(port))
>> > 		return port;
>> > 	/* If no valid port in the table, fall back to simple hash */
>> > -	return lb_hash_select_tx_port(team, lb_priv, skb, hash);
>> > +	return lb_hash_select_tx_port(team, hash);
>> > }
>> > 
>> > struct lb_select_tx_port {
>> > @@ -230,7 +224,7 @@ static bool lb_transmit(struct team *team, struct sk_buff *skb)
>> > 
>> > 	hash = lb_get_skb_hash(lb_priv, skb);
>> > 	select_tx_port_func = rcu_dereference_bh(lb_priv->select_tx_port_func);
>> > -	port = select_tx_port_func(team, lb_priv, skb, hash);
>> > +	port = select_tx_port_func(team, hash);
>> > 	if (unlikely(!port))
>> > 		goto drop;
>> > 	if (team_dev_queue_xmit(team, port, skb))
>> > -- 
>> > 2.34.1
>> > 
>>