From: Duan Jiong <duanj.fnst@cn•fujitsu.com>
To: Daniel Borkmann <dborkman@redhat•com>
Cc: David Miller <davem@davemloft•net>, netdev@vger•kernel.org
Subject: Re: packet: use macro GET_PBDQC_FROM_RB to simplify the codes
Date: Mon, 02 Dec 2013 09:19:51 +0800 [thread overview]
Message-ID: <529BE037.90006@cn.fujitsu.com> (raw)
In-Reply-To: <52971A76.4020202@redhat.com>
于 2013年11月28日 18:27, Daniel Borkmann 写道:
> On 11/28/2013 10:53 AM, Duan Jiong wrote:
>>
>>
>> Signed-off-by: Duan Jiong <duanj.fnst@cn•fujitsu.com>
>
> Please resubmit when net-next is open.
How can i know when the net-next will be open?
>
>> ---
>> net/packet/af_packet.c | 10 ++++++----
>> 1 file changed, 6 insertions(+), 4 deletions(-)
>>
>> diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
>> index 2e8286b..955611f 100644
>> --- a/net/packet/af_packet.c
>> +++ b/net/packet/af_packet.c
>> @@ -430,7 +430,8 @@ static void prb_shutdown_retire_blk_timer(struct packet_sock *po,
>> {
>> struct tpacket_kbdq_core *pkc;
>>
>> - pkc = tx_ring ? &po->tx_ring.prb_bdqc : &po->rx_ring.prb_bdqc;
>> + pkc = tx_ring ? GET_PBDQC_FROM_RB(&po->tx_ring)
>> + : GET_PBDQC_FROM_RB(&po->rx_ring);
>
> Nit: the colon should actually still be on the previous line.
>
> It would be nice if at some point in time we could get rid of these TPACKET_V3 specific
> macros and actually use some inline functions.
>
>>
>> spin_lock(&rb_queue->lock);
>> pkc->delete_blk_timer = 1;
>> @@ -456,7 +457,8 @@ static void prb_setup_retire_blk_timer(struct packet_sock *po, int tx_ring)
>> if (tx_ring)
>> BUG();
>>
>> - pkc = tx_ring ? &po->tx_ring.prb_bdqc : &po->rx_ring.prb_bdqc;
>> + pkc = tx_ring ? GET_PBDQC_FROM_RB(&po->tx_ring)
>> + : GET_RBDQC_FROM_RB(&po->rx_ring);
>> prb_init_blk_timer(po, pkc, prb_retire_rx_blk_timer_expired);
>> }
>>
>> @@ -514,7 +516,7 @@ static void init_prb_bdqc(struct packet_sock *po,
>> struct pgv *pg_vec,
>> union tpacket_req_u *req_u, int tx_ring)
>> {
>> - struct tpacket_kbdq_core *p1 = &rb->prb_bdqc;
>> + struct tpacket_kbdq_core *p1 = GET_PBDQC_FROM_RB(rb);
>> struct tpacket_block_desc *pbd;
>>
>> memset(p1, 0x0, sizeof(*p1));
>> @@ -578,7 +580,7 @@ static void _prb_refresh_rx_retire_blk_timer(struct tpacket_kbdq_core *pkc)
>> static void prb_retire_rx_blk_timer_expired(unsigned long data)
>> {
>> struct packet_sock *po = (struct packet_sock *)data;
>> - struct tpacket_kbdq_core *pkc = &po->rx_ring.prb_bdqc;
>> + struct tpacket_kbdq_core *pkc = GET_PBDQC_FROM_RB(&po->rx_ring);
>> unsigned int frozen;
>> struct tpacket_block_desc *pbd;
>>
>>
>
next prev parent reply other threads:[~2013-12-02 1:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-28 9:53 packet: use macro GET_PBDQC_FROM_RB to simplify the codes Duan Jiong
2013-11-28 10:27 ` Daniel Borkmann
2013-12-02 1:19 ` Duan Jiong [this message]
2013-12-02 1:32 ` David Miller
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