[dpdk-dev] [PATCH v2 10/11] net/e1000: destroy consistent filter
Zhao1, Wei
wei.zhao1 at intel.com
Mon Jun 5 08:00:54 CEST 2017
Hi, wenzhuo
> -----Original Message-----
> From: Lu, Wenzhuo
> Sent: Monday, June 5, 2017 1:42 PM
> To: Zhao1, Wei <wei.zhao1 at intel.com>; dev at dpdk.org
> Subject: RE: [PATCH v2 10/11] net/e1000: destroy consistent filter
>
> Hi Wei,
>
> > -----Original Message-----
> > From: Zhao1, Wei
> > Sent: Friday, June 2, 2017 2:37 PM
> > To: dev at dpdk.org
> > Cc: Lu, Wenzhuo; Zhao1, Wei
> > Subject: [PATCH v2 10/11] net/e1000: destroy consistent filter
> >
> > This patch adds a function to destroy the flow fliter.
> >
> > Signed-off-by: Wei Zhao <wei.zhao1 at intel.com>
> > ---
> > drivers/net/e1000/igb_flow.c | 100
> > ++++++++++++++++++++++++++++++++++++++++++-
> > 1 file changed, 99 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/e1000/igb_flow.c
> > b/drivers/net/e1000/igb_flow.c index fac76bf..bced291 100644
> > --- a/drivers/net/e1000/igb_flow.c
> > +++ b/drivers/net/e1000/igb_flow.c
> > @@ -1464,10 +1464,108 @@ igb_flow_validate(__rte_unused struct
> > rte_eth_dev *dev,
> > return ret;
> > }
> >
> > +/* Destroy a flow rule on igb. */
> > +static int
> > +igb_flow_destroy(struct rte_eth_dev *dev,
> > + struct rte_flow *flow,
> > + struct rte_flow_error *error)
> > +{
> > + int ret;
> > + struct rte_flow *pmd_flow = flow;
> > + enum rte_filter_type filter_type = pmd_flow->filter_type;
> > + struct rte_eth_ntuple_filter ntuple_filter;
> > + struct rte_eth_ethertype_filter ethertype_filter;
> > + struct rte_eth_syn_filter syn_filter;
> > + struct rte_eth_flex_filter flex_filter;
> > + struct igb_ntuple_filter_ele *ntuple_filter_ptr;
> > + struct igb_ethertype_filter_ele *ethertype_filter_ptr;
> > + struct igb_eth_syn_filter_ele *syn_filter_ptr;
> > + struct igb_flex_filter_ele *flex_filter_ptr;
> > + struct igb_flow_mem *igb_flow_mem_ptr;
> > +
> > + switch (filter_type) {
> > + case RTE_ETH_FILTER_NTUPLE:
> > + ntuple_filter_ptr = (struct igb_ntuple_filter_ele *)
> > + pmd_flow->rule;
> > + (void)rte_memcpy(&ntuple_filter,
> > + &ntuple_filter_ptr->filter_info,
> > + sizeof(struct rte_eth_ntuple_filter));
> > + ret = igb_add_del_ntuple_filter(dev, &ntuple_filter, FALSE);
> Is a copy necessary? Could "ntuple_filter_ptr->filter_info" be used directly
> for deleting?
> The same below.
Maybe this is ok?
ntuple_filter_ptr = (struct igb_ntuple_filter_ele *)
pmd_flow->rule;
ret = igb_add_del_ntuple_filter(dev, &ntuple_filter_ptr->filter_info, FALSE);
>
> > + if (!ret) {
> > + TAILQ_REMOVE(&igb_filter_ntuple_list,
> > + ntuple_filter_ptr, entries);
> > + rte_free(ntuple_filter_ptr);
> > + }
> > + break;
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