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From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	"Karlsson, Magnus" <magnus.karlsson@intel.com>,
	"Topel, Bjorn" <bjorn.topel@intel.com>
Subject: Re: [dpdk-dev] [RFC 1/7] net/af_xdp: new PMD driver
Date: Thu, 1 Mar 2018 01:51:08 +0000	[thread overview]
Message-ID: <039ED4275CED7440929022BC67E706115315D3B2@SHSMSX103.ccr.corp.intel.com> (raw)
In-Reply-To: <20180228154217.4aff5095@xeon-e3>



> -----Original Message-----
> From: Stephen Hemminger [mailto:stephen@networkplumber.org]
> Sent: Thursday, March 1, 2018 7:42 AM
> To: Zhang, Qi Z <qi.z.zhang@intel.com>
> Cc: dev@dpdk.org; magnus.karlsson@intei.com; Topel, Bjorn
> <bjorn.topel@intel.com>
> Subject: Re: [dpdk-dev] [RFC 1/7] net/af_xdp: new PMD driver
> 
> On Tue, 27 Feb 2018 17:33:00 +0800
> Qi Zhang <qi.z.zhang@intel.com> wrote:
> 
> > struct pmd_internals {
> > +	int sfd;
> > +	int if_index;
> > +	char if_name[0x100];
> 
> why not IFNAMSIZ?
> 
> > +	struct ether_addr eth_addr;
> > +	struct xdp_queue rx;
> > +	struct xdp_queue tx;
> > +	struct xdp_umem *umem;
> > +	struct rte_mempool *mb_pool;
> > +
> > +	unsigned long rx_pkts;
> > +	unsigned long rx_bytes;
> > +	unsigned long rx_dropped;
> > +
> > +	unsigned long tx_pkts;
> > +	unsigned long err_pkts;
> > +	unsigned long tx_bytes;
> 
> why not per-queue stats? per-port stats are expensive

multi-queue is not supported in this implementation, but will be considered.

Regards
Qi
> 
> > +	uint16_t port_id;
> > +	uint16_t queue_idx;
> > +	int ring_size;
> > +	struct rte_ring *buf_ring;
> > +};

  reply	other threads:[~2018-03-01  1:51 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-27  9:32 [dpdk-dev] [RFC 0/7] PMD driver for AF_XDP Qi Zhang
2018-02-27  9:33 ` [dpdk-dev] [RFC 1/7] net/af_xdp: new PMD driver Qi Zhang
2018-02-28 23:40   ` Stephen Hemminger
2018-02-28 23:42   ` Stephen Hemminger
2018-03-01  1:51     ` Zhang, Qi Z [this message]
2018-02-28 23:42   ` Stephen Hemminger
2018-02-28 23:45   ` Stephen Hemminger
2018-03-01  1:59     ` Zhang, Qi Z
2018-02-27  9:33 ` [dpdk-dev] [RFC 2/7] lib/mbuf: enable parse flags when create mempool Qi Zhang
2018-02-27  9:33 ` [dpdk-dev] [RFC 3/7] lib/mempool: allow page size aligned mempool Qi Zhang
2018-02-27  9:33 ` [dpdk-dev] [RFC 4/7] net/af_xdp: use mbuf mempool for buffer management Qi Zhang
2018-03-01  2:08   ` Stephen Hemminger
2018-02-27  9:33 ` [dpdk-dev] [RFC 5/7] net/af_xdp: enable share mempool Qi Zhang
2018-02-27  9:33 ` [dpdk-dev] [RFC 6/7] net/af_xdp: load BPF file Qi Zhang
2018-03-01  2:10   ` Stephen Hemminger
2018-02-27  9:33 ` [dpdk-dev] [RFC 7/7] app/testpmd: enable parameter for mempool flags Qi Zhang
2018-03-01  2:52 ` [dpdk-dev] [RFC 0/7] PMD driver for AF_XDP Jason Wang
2018-03-01  4:18   ` Zhang, Qi Z
2018-03-01  4:20     ` Zhang, Qi Z
2018-03-01  7:46       ` Jason Wang
2018-03-01 12:56         ` Zhang, Qi Z
2018-03-01 13:18           ` Jason Wang
2018-03-02  4:05             ` Zhang, Qi Z
2018-02-27  9:35 Qi Zhang
2018-02-27  9:35 ` [dpdk-dev] [RFC 1/7] net/af_xdp: new PMD driver Qi Zhang

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