[dpdk-dev] [PATCH v2 3/4] net/i40e: support tunnel filter to VF

Xing, Beilei beilei.xing at intel.com
Mon Mar 27 12:37:34 CEST 2017



> -----Original Message-----
> From: Wu, Jingjing
> Sent: Monday, March 27, 2017 5:55 PM
> To: Xing, Beilei <beilei.xing at intel.com>
> Cc: Zhang, Helin <helin.zhang at intel.com>; dev at dpdk.org
> Subject: RE: [PATCH v2 3/4] net/i40e: support tunnel filter to VF
> 
> 
> 
> > -----Original Message-----
> > From: Xing, Beilei
> > Sent: Thursday, March 23, 2017 6:46 PM
> > To: Wu, Jingjing <jingjing.wu at intel.com>
> > Cc: Zhang, Helin <helin.zhang at intel.com>; dev at dpdk.org
> > Subject: [PATCH v2 3/4] net/i40e: support tunnel filter to VF
> >
> > Previously, only tunnel filter to PF is supported.
> > This patch adds i40e_dev_consistent_tunnel_filter_set
> > function for consistent filter API to support tunnel filter to VF.
> >
> > Signed-off-by: Beilei Xing <beilei.xing at intel.com>
> > ---
> >  drivers/net/i40e/i40e_ethdev.c | 145
> > +++++++++++++++++++++++++++++++++++++++++
> >  drivers/net/i40e/i40e_ethdev.h |  32 +++++++++
> >  drivers/net/i40e/i40e_flow.c   |  50 +++++++++-----
> >  3 files changed, 212 insertions(+), 15 deletions(-)
> >
> > diff --git a/drivers/net/i40e/i40e_ethdev.c
> > b/drivers/net/i40e/i40e_ethdev.c index 5e6cc59..2b3d41b 100644
> > --- a/drivers/net/i40e/i40e_ethdev.c
> > +++ b/drivers/net/i40e/i40e_ethdev.c
> > @@ -6935,6 +6935,151 @@ i40e_dev_tunnel_filter_set(struct i40e_pf *pf,
> >  	return ret;
> >  }
> >
> > +int
> > +i40e_dev_consistent_tunnel_filter_set(struct i40e_pf *pf,
> > +		      struct i40e_tunnel_filter_conf *tunnel_filter,
> > +		      uint8_t add)
> > +{
> > +	uint16_t ip_type;
> > +	uint32_t ipv4_addr;
> > +	uint8_t i, tun_type = 0;
> > +	/* internal variable to convert ipv6 byte order */
> > +	uint32_t convert_ipv6[4];
> > +	int val, ret = 0;
> > +	struct i40e_pf_vf *vf = NULL;
> > +	struct i40e_hw *hw = I40E_PF_TO_HW(pf);
> > +	struct i40e_vsi *vsi;
> > +	struct i40e_aqc_add_rm_cloud_filt_elem_ext *cld_filter;
> > +	struct i40e_aqc_add_rm_cloud_filt_elem_ext *pfilter;
> > +	struct i40e_tunnel_rule *tunnel_rule = &pf->tunnel;
> > +	struct i40e_tunnel_filter *tunnel, *node;
> > +	struct i40e_tunnel_filter check_filter; /* Check if filter exists */
> > +	bool big_buffer = 0;
> > +
> > +	cld_filter = rte_zmalloc("tunnel_filter",
> > +			 sizeof(struct
> i40e_aqc_add_rm_cloud_filt_elem_ext),
> > +			 0);
> > +
> > +	if (cld_filter == NULL) {
> > +		PMD_DRV_LOG(ERR, "Failed to alloc memory.");
> > +		return -EINVAL;
> -EINVAL? I think -ENOMEM is better.
Agree.

> 
> 
> > +	if (add) {
> > +		if (big_buffer)
> > +			ret = i40e_aq_add_cloud_filters_big_buffer(hw,
> > +						   vsi->seid, cld_filter, 1);
> > +		else
> > +			ret = i40e_aq_add_cloud_filters(hw,
> > +					vsi->seid, &cld_filter->element, 1);
> > +		if (ret < 0) {
> > +			PMD_DRV_LOG(ERR, "Failed to add a tunnel filter.");
> > +			return ret;
> Ret is type of "enum i40e_status_code". It will not be consistent.
> 
> 
> > +
> >  #define I40E_MIRROR_MAX_ENTRIES_PER_RULE   64
> >  #define I40E_MAX_MIRROR_RULES           64
> >  /*
> > @@ -718,6 +746,7 @@ union i40e_filter_t {
> >  	struct rte_eth_ethertype_filter ethertype_filter;
> >  	struct rte_eth_fdir_filter fdir_filter;
> >  	struct rte_eth_tunnel_filter_conf tunnel_filter;
> > +	struct i40e_tunnel_filter_conf consistent_tunnel_filter;
> >  };
> >
> I like to use driver specified structures instead of the old rte_eth_XX.
> Glad to see this change, it will be better to change other structs. :)

Thanks, what do you think we change other structures after this release?

> 
> Acked-by Jingjing Wu <jingjing.wu at intel.com>
> 
> Thanks
> Jingjing


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