[dpdk-dev] [PATCH 1/2] net/i40e: queue region set and flush

[Zhao1, Wei]

Hi,  Andrey

> -----Original Message-----
> From: Chilikin, Andrey
> Sent: Wednesday, September 6, 2017 7:52 AM
> To: Zhao1, Wei <wei.zhao1 at intel.com>; dev at dpdk.org
> Cc: Zhao1, Wei <wei.zhao1 at intel.com>; Xing, Beilei <beilei.xing at intel.com>;
> Wu, Jingjing <jingjing.wu at intel.com>
> Subject: RE: [dpdk-dev] [PATCH 1/2] net/i40e: queue region set and flush
> 
> 
> 
> > -----Original Message-----
> > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Wei Zhao
> > Sent: Wednesday, August 23, 2017 8:26 PM
> > To: dev at dpdk.org
> > Cc: Zhao1, Wei <wei.zhao1 at intel.com>
> > Subject: [dpdk-dev] [PATCH 1/2] net/i40e: queue region set and flush
> >
> > This feature enable queue regions configuration for RSS in PF/VF, so
> > that different traffic classes or different packet classification
> > types can be separated to different queues in different queue
> > regions.This patch can set queue region range, it include queue number
> > in a region and the index of first queue.
> > This patch enable mapping between different priorities (UP) and
> > different traffic classes.It also enable mapping between a region
> > index and a sepcific flowtype(PCTYPE).It also provide the solution of
> > flush all configuration about queue region the above described.
> >
> > Signed-off-by: Wei Zhao <wei.zhao1 at intel.com>
> > ---
> >  drivers/net/i40e/i40e_ethdev.h            |   6 +
> >  drivers/net/i40e/rte_pmd_i40e.c           | 287
> > ++++++++++++++++++++++++++++++
> >  drivers/net/i40e/rte_pmd_i40e.h           |  39 ++++
> >  drivers/net/i40e/rte_pmd_i40e_version.map |   7 +
> >  4 files changed, 339 insertions(+)
> >
> > diff --git a/drivers/net/i40e/i40e_ethdev.h
> > b/drivers/net/i40e/i40e_ethdev.h index 48abc05..1d6e9b2 100644
> > --- a/drivers/net/i40e/i40e_ethdev.h
> > +++ b/drivers/net/i40e/i40e_ethdev.h
> > @@ -260,6 +260,12 @@ enum i40e_flxpld_layer_idx {  #define
> > I40E_QOS_BW_WEIGHT_MIN 1
> >  /* The max bandwidth weight is 127. */  #define
> > I40E_QOS_BW_WEIGHT_MAX 127
> > +/* The max queue region index is 7. */ #define
> > +I40E_TCREGION_MAX_INDEX 7
> > +/* The max queue region userpriority is 7. */ #define
> > +I40E_REGION_USERPRIORITY_MAX_INDEX 7
> > +/* The max pctype index is 63. */
> > +#define I40E_REGION_PCTYPE_MAX_INDEX 63
> >
> >  /**
> >   * The overhead from MTU to max frame size.
> > diff --git a/drivers/net/i40e/rte_pmd_i40e.c
> > b/drivers/net/i40e/rte_pmd_i40e.c index 950a0d6..5d1e1d4 100644
> > --- a/drivers/net/i40e/rte_pmd_i40e.c
> > +++ b/drivers/net/i40e/rte_pmd_i40e.c
> > @@ -2117,3 +2117,290 @@ int
> > rte_pmd_i40e_ptype_mapping_replace(uint8_t port,
> >
> >  	return 0;
> >  }
> > +
> > +static int
> > +i40e_set_queue_region(struct i40e_hw *hw, struct i40e_pf *pf,
> > +				struct rte_i40e_rss_region_conf *conf_ptr) {
> > +	uint32_t TCREGION, TC_OFFSET, TC_SIZE;
> Please follow DPDK coding style guide and use only low case for variables
> names.
> 
> > +	uint16_t TC_SIZE_TB[7] = {1, 2, 4, 8, 16, 32, 64};
> > +	uint16_t i, index;
> > +	uint16_t main_vsi_seid = pf->main_vsi_seid;
> 
> <snip>
> 
> >
> >  /**
> > @@ -146,6 +159,19 @@ struct rte_pmd_i40e_ptype_mapping {  };
> >
> >  /**
> > + * Queue region information get from CLI.
> > + */
> > +struct rte_i40e_rss_region_conf {
> > +	uint8_t region_id;
> > +	uint8_t flowtype;
> As this is internal i40e flow type (PCTYPE), it is better name it hw_flowtype.
> As an option - use RTE level sw_flowtype and map it to internal hw_flowtype
> using corresponding i40e API.

Ok, I will change that name to  " hw_flowtype " in v2 patch set.

> 
> > +	uint8_t queue_startIndex;
> > +	uint8_t queue_num;
> > +	uint8_t UserPriority;
> Low case for naming.

Ok, I will change code style in v2 patch set.

> 
> > +	uint8_t TrafficClasses;
> > +	enum rte_pmd_i40e_queue_region_op  op; };
> > +
> > +/**
> >   * Notify VF when PF link status changes.
> >   *
> >   * @param port
> > @@ -637,4 +663,17 @@ int
> rte_pmd_i40e_ptype_mapping_replace(uint8_t
> > port,
> >  				       uint8_t mask,
> >  				       uint32_t pkt_type);
> >
> > +/**
> > + * Get RSS queue region info from CLI and do configuration for
> > + * that port as the command otion type
> > + *
> > + * @param port
> > + *    pointer to port identifier of the device
> > + * @param conf_ptr
> > + *    pointer to the struct that contain all the
> > + *    region configuration parameters
> > + */
> > +int rte_pmd_i40e_queue_region_conf(uint8_t port,
> > +		struct rte_i40e_rss_region_conf *conf_ptr);
> > +
> >  #endif /* _PMD_I40E_H_ */
> > diff --git a/drivers/net/i40e/rte_pmd_i40e_version.map
> > b/drivers/net/i40e/rte_pmd_i40e_version.map
> > index 20cc980..77ac385 100644
> > --- a/drivers/net/i40e/rte_pmd_i40e_version.map
> > +++ b/drivers/net/i40e/rte_pmd_i40e_version.map
> > @@ -45,3 +45,10 @@ DPDK_17.08 {
> >  	rte_pmd_i40e_get_ddp_info;
> >
> >  } DPDK_17.05;
> > +
> > +DPDK_17.11 {
> > +	global:
> > +
> > +	rte_pmd_i40e_queue_region_conf;
> > +
> > +} DPDK_17.08;
> > --
> > 2.9.3