[dpdk-dev] [RFC 2/4] app/testpmd: support rte_flow rss level parsing
Xueming(Steven) Li
xuemingl at mellanox.com
Thu Nov 30 09:50:13 CET 2017
> -----Original Message-----
> From: Nelio Laranjeiro [mailto:nelio.laranjeiro at 6wind.com]
> Sent: Thursday, November 30, 2017 4:18 PM
> To: Xueming(Steven) Li <xuemingl at mellanox.com>
> Cc: Adrien Mazarguil <adrien.mazarguil at 6wind.com>; Thomas Monjalon
> <thomas at monjalon.net>; dev at dpdk.org
> Subject: Re: [RFC 2/4] app/testpmd: support rte_flow rss level parsing
>
> Hi Xueming,
>
> On Thu, Nov 30, 2017 at 01:31:04AM +0800, Xueming Li wrote:
> > Signed-off-by: Xueming Li <xuemingl at mellanox.com>
> > ---
> > app/test-pmd/cmdline_flow.c | 14 +++++++++++++-
> > 1 file changed, 13 insertions(+), 1 deletion(-)
> >
> > diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
> > index df16d2a..9402eb7 100644
> > --- a/app/test-pmd/cmdline_flow.c
> > +++ b/app/test-pmd/cmdline_flow.c
> > @@ -194,6 +194,7 @@ enum index {
> > ACTION_RSS,
> > ACTION_RSS_QUEUES,
> > ACTION_RSS_QUEUE,
> > + ACTION_RSS_LEVEL,
> > ACTION_PF,
> > ACTION_VF,
> > ACTION_VF_ORIGINAL,
> > @@ -640,6 +641,7 @@ struct parse_action_priv {
> >
> > static const enum index action_rss[] = {
> > ACTION_RSS_QUEUES,
> > + ACTION_RSS_LEVEL,
> > ACTION_NEXT,
> > ZERO,
> > };
> > @@ -1586,6 +1588,13 @@ static int comp_vc_action_rss_queue(struct
> context *, const struct token *,
> > .call = parse_vc_action_rss_queue,
> > .comp = comp_vc_action_rss_queue,
> > },
> > + [ACTION_RSS_LEVEL] = {
> > + .name = "level",
> > + .help = "rss on tunnel level",
> > + .next = NEXT(action_rss, NEXT_ENTRY(UNSIGNED)),
> > + .args = ARGS(ARGS_ENTRY(struct rte_flow_action_rss, level)),
> > + .call = parse_vc_conf,
> > + },
> > [ACTION_PF] = {
> > .name = "pf",
> > .help = "redirect packets to physical device function", @@ -
> 1887,6
> > +1896,7 @@ static int comp_vc_action_rss_queue(struct context *, const
> struct token *,
> > sizeof(double));
> > if ((uint8_t *)item + sizeof(*item) > data)
> > return -1;
> > + memset(data, 0, data_size);
> > *item = (struct rte_flow_item){
> > .type = priv->type,
> > };
> > @@ -1904,6 +1914,9 @@ static int comp_vc_action_rss_queue(struct context
> *, const struct token *,
> > sizeof(double));
> > if ((uint8_t *)action + sizeof(*action) > data)
> > return -1;
> > + memset(data, 0, data_size);
> > + if (priv->type == RTE_FLOW_ACTION_TYPE_RSS)
> > + ((struct rte_flow_action_rss *)data)->level = -1;
>
> I strongly suggest to let the level set to outer, otherwise most of the
> PMD will have to refuse such rule.
Default to outer rss? Would be glad to hear more suggestion on this.
>
> > *action = (struct rte_flow_action){
> > .type = priv->type,
> > };
> > @@ -1911,7 +1924,6 @@ static int comp_vc_action_rss_queue(struct context
> *, const struct token *,
> > ctx->object = action;
> > ctx->objmask = NULL;
> > }
> > - memset(data, 0, data_size);
> > out->args.vc.data = data;
> > ctx->objdata = data_size;
> > return len;
> > --
> > 1.8.3.1
> >
>
> --
> Nélio Laranjeiro
> 6WIND
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