[dpdk-dev] [PATCH] ixgbe: eliminate duplicate filterlist symbols
David Harton (dharton)
dharton at cisco.com
Mon Aug 28 19:13:30 CEST 2017
> -----Original Message-----
> From: Ferruh Yigit [mailto:ferruh.yigit at intel.com]
> Sent: Monday, August 28, 2017 9:27 AM
> To: David Harton (dharton) <dharton at cisco.com>;
> konstantin.ananyev at intel.com
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] ixgbe: eliminate duplicate filterlist
> symbols
>
> On 8/25/2017 8:21 PM, David Harton wrote:
> > Some compilers generate warnings for duplicate symbols for the set of
> > filter lists current defined in ixgbe_ethdev.h.
> > This commits moves the defintion and declaration to the source file
> > that actually uses them and provides a function to initialize the
> > values akin to its flush function.
> >
> > Signed-off-by: David Harton <dharton at cisco.com>
> > ---
> > drivers/net/ixgbe/ixgbe_ethdev.c | 8 ++------
> > drivers/net/ixgbe/ixgbe_ethdev.h | 7 +------
> > drivers/net/ixgbe/ixgbe_flow.c | 18 ++++++++++++++++++
> > 3 files changed, 21 insertions(+), 12 deletions(-)
> >
> > diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c
> > b/drivers/net/ixgbe/ixgbe_ethdev.c
> > index 1ec5aaf..ed21af5 100644
> > --- a/drivers/net/ixgbe/ixgbe_ethdev.c
> > +++ b/drivers/net/ixgbe/ixgbe_ethdev.c
> > @@ -1332,12 +1332,8 @@ struct rte_ixgbe_xstats_name_off {
> > /* initialize l2 tunnel filter list & hash */
> > ixgbe_l2_tn_filter_init(eth_dev);
> >
> > - TAILQ_INIT(&filter_ntuple_list);
> > - TAILQ_INIT(&filter_ethertype_list);
> > - TAILQ_INIT(&filter_syn_list);
> > - TAILQ_INIT(&filter_fdir_list);
> > - TAILQ_INIT(&filter_l2_tunnel_list);
> > - TAILQ_INIT(&ixgbe_flow_list);
> > + /* initialize flow filter lists */
> > + ixgbe_filterlist_init();
>
> Will it work if list initialization converted to the static
> initialization? That would remove requirement of this function call.
I was trying to keep the behavior the same:
.probe -> eth_ixgbe_dev_init -> ixgbe_filterlist_init
.remove -> eth_ixgbe_dev_uninit -> ixgbe_filterlist_flush
While I think the below would work I always like mirror/parallel relationships like ctor/dtor for objects.
Is that reasonable?
Thanks,
Dave
>
> something like:
>
> diff --git a/drivers/net/ixgbe/ixgbe_flow.c
> b/drivers/net/ixgbe/ixgbe_flow.c index c8645f056..6184eb4af 100644
> --- a/drivers/net/ixgbe/ixgbe_flow.c
> +++ b/drivers/net/ixgbe/ixgbe_flow.c
> @@ -79,6 +79,24 @@
> #define IXGBE_MAX_N_TUPLE_PRIO 7
> #define IXGBE_MAX_FLX_SOURCE_OFF 62
>
> +static TAILQ_HEAD(ixgbe_ntuple_filter_list, ixgbe_ntuple_filter_ele)
> + filter_ntuple_list = TAILQ_HEAD_INITIALIZER(filter_ntuple_list);
> +
> +static TAILQ_HEAD(ixgbe_ethertype_filter_list,
> ixgbe_ethertype_filter_ele)
> + filter_ethertype_list =
> TAILQ_HEAD_INITIALIZER(filter_ethertype_list);
> +
> +static TAILQ_HEAD(ixgbe_syn_filter_list, ixgbe_eth_syn_filter_ele)
> + filter_syn_list = TAILQ_HEAD_INITIALIZER(filter_syn_list);
> +
> +static TAILQ_HEAD(ixgbe_fdir_rule_filter_list, ixgbe_fdir_rule_ele)
> + filter_fdir_list = TAILQ_HEAD_INITIALIZER(filter_fdir_list);
> +
> +static TAILQ_HEAD(ixgbe_l2_tunnel_filter_list,
> ixgbe_eth_l2_tunnel_conf_ele)
> + filter_l2_tunnel_list =
> TAILQ_HEAD_INITIALIZER(filter_l2_tunnel_list);
> +
> +static TAILQ_HEAD(ixgbe_flow_mem_list, ixgbe_flow_mem)
> + ixgbe_flow_list = TAILQ_HEAD_INITIALIZER(ixgbe_flow_list);
> +
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