[dpdk-dev] [PATCH] net/iavf: fix invalid RSS type

Su, Simei simei.su at intel.com
Mon Nov 2 03:11:06 CET 2020


> -----Original Message-----
> From: Zhang, Qi Z <qi.z.zhang at intel.com>
> Sent: Friday, October 30, 2020 5:41 PM
> To: Su, Simei <simei.su at intel.com>
> Cc: dev at dpdk.org; Guo, Jia <jia.guo at intel.com>; Guo, Junfeng
> <junfeng.guo at intel.com>
> Subject: RE: [PATCH] net/iavf: fix invalid RSS type
> 
> 
> 
> > -----Original Message-----
> > From: Su, Simei <simei.su at intel.com>
> > Sent: Friday, October 30, 2020 11:17 AM
> > To: Zhang, Qi Z <qi.z.zhang at intel.com>
> > Cc: dev at dpdk.org; Guo, Jia <jia.guo at intel.com>; Guo, Junfeng
> > <junfeng.guo at intel.com>; Su, Simei <simei.su at intel.com>
> > Subject: [PATCH] net/iavf: fix invalid RSS type
> >
> > When a RSS rule with symmetric hash function, the RSS type shouldn't
> > carry with SRC/DST_ONLY. This patch adds invalid RSS type check for the
> case.
> >
> > Fixes: 91f27b2e39ab ("net/iavf: refactor RSS")
> >
> > Signed-off-by: Simei Su <simei.su at intel.com>
> > ---
> >  drivers/net/iavf/iavf_hash.c | 16 ++++++++++++++++
> >  1 file changed, 16 insertions(+)
> >
> > diff --git a/drivers/net/iavf/iavf_hash.c
> > b/drivers/net/iavf/iavf_hash.c index be821b6..6d0360a 100644
> > --- a/drivers/net/iavf/iavf_hash.c
> > +++ b/drivers/net/iavf/iavf_hash.c
> > @@ -917,6 +917,22 @@ iavf_hash_parse_action(struct
> > iavf_pattern_match_item *match_item,
> >   */
> >  rss_type = rte_eth_rss_hf_refine(rss_type);
> >
> > +/**
> > + * Check if SRC/DST_ONLY is set for SYMMETRIC_TOEPLITZ
> > + * hash function.
> > + */
> > +if (rss->func ==
> > +    RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) { if (rss_type &
> > +((VALID_RSS_ATTR &
> > +    ~RTE_ETH_RSS_L3_PRE64) |
> > +    ~(VALID_RSS_IPV4 | VALID_RSS_IPV6))) return
> > +rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
> > +action, "invalid rss types"); }
> 
> Better to move above check into the below "iavf_any_invalid_rss_type"

  Ok, will move it into " iavf_any_invalid_rss_type" in v2.

> 
> > +
> >  if (iavf_any_invalid_rss_type(rss_type,
> >  match_item->input_set_mask))
> >  return rte_flow_error_set(error, ENOTSUP,
> > --
> > 2.9.5
> 



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