From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olivier Matz Subject: Re: [PATCH] net/bnxt: fix packet type Date: Wed, 7 Feb 2018 22:56:29 +0100 Message-ID: <20180207215629.iuob3danxgqaauks@neon> References: <20180206170758.1148-1-olivier.matz@6wind.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Cc: dev@dpdk.org, Somnath Kotur , dpdk stable To: Ajit Khaparde Return-path: Content-Disposition: inline In-Reply-To: List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Hi, On Tue, Feb 06, 2018 at 03:23:34PM -0800, Ajit Khaparde wrote: > On Tue, Feb 6, 2018 at 9:07 AM, Olivier Matz wrote: > > > The hw flags are not read correctly: the defines > > RX_PKT_CMPL_FLAGS_ITYPE_* are not bits but values, so the should not be > > tested with if (value & X) but with if ((value & MASK) == X). > > This was resulting in a wrong packet type. > > > > For instance, an IPv4/ICMP packet was returning a value of 7 for > > the layer 4, which is undefined. > > > > This patch rework the way packet types are processed, to ensure > > that only valid packet types will be advertised. > > > > Fixes: 3d2a6644eb05 ("net/bnxt: support getting ptypes") > > Cc: stable@dpdk.org > > > > Signed-off-by: Olivier Matz > > > ​Acked-by: Ajit Khaparde > ​ [...] > > + case RTE_LE32(RX_PKT_CMPL_FLAGS_ITYPE_UDP): > > + if (!t_ipcs) > > + pkt_type |= l3 | RTE_PTYPE_L4_UDP; > > + else > > + pkt_type |= l3 | RTE_PTYPE_INNER_L4_UDP; > > + break; > > + > > + case RTE_LE32(RX_PKT_CMPL_FLAGS_ITYPE_IP): > > + if (!t_ipcs) > > + pkt_type |= l3 | RTE_PTYPE_L4_ICMP; > > + else > > + pkt_type |= l3 | RTE_PTYPE_INNER_L4_ICMP; > > + break; > > + } Sorry, it looks there is a typo here: it should be pkt_type |= l3 (not ICMP). I'll send a new version.