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[204.195.22.127]) by smtp.gmail.com with ESMTPSA id p20sm73149427pgj.47.2019.07.24.09.24.17 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 24 Jul 2019 09:24:17 -0700 (PDT) Date: Wed, 24 Jul 2019 09:24:05 -0700 From: Stephen Hemminger To: Matan Azrad Cc: Hemant Agrawal , "sachin.saxena@nxp.com" , "dev@dpdk.org" Message-ID: <20190724092405.7d2405a8@hermes.lan> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [Bug 335] Compilation fails when HEADROOM is 0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Wed, 24 Jul 2019 15:37:40 +0000 Matan Azrad wrote: > Hi Hemant, Sachin > > Looks like issue in dpaa. > Please check. > > > -----Original Message----- > > From: dev On Behalf Of bugzilla@dpdk.org > > Sent: Wednesday, July 24, 2019 6:35 PM > > To: dev@dpdk.org > > Subject: [dpdk-dev] [Bug 335] Compilation fails when HEADROOM is 0 > > > > https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugs. > > dpdk.org%2Fshow_bug.cgi%3Fid%3D335&data=02%7C01%7Cmatan%40 > > mellanox.com%7Cef4c519dd7b1495178f808d7104c7400%7Ca652971c7d2e4d9 > > ba6a4d149256f461b%7C0%7C0%7C636995792862104273&sdata=DrdcCJ > > mYUMZxk3j%2F%2BxPlqXMOAb9GDNBPzSNzpifzcMU%3D&reserved=0 > > > > Bug ID: 335 > > Summary: Compilation fails when HEADROOM is 0 > > Product: DPDK > > Version: unspecified > > Hardware: All > > OS: All > > Status: UNCONFIRMED > > Severity: normal > > Priority: Normal > > Component: ethdev > > Assignee: dev@dpdk.org > > Reporter: matan@mellanox.com > > Target Milestone: --- > > > > The compilation error: > > In file included from > > /auto/mtrswgwork/matan/reps/matan_rep/dpdk.org/drivers/bus/fslmc/po > > rtal/dpaa2_hw_dpbp.c:28:0: > > /auto/mtrswgwork/matan/reps/matan_rep/dpdk.org/drivers/bus/fslmc/po > > rtal/dpaa2_hw_pvt.h:76:2: > > error: #error "Annotation requirement is more than > > RTE_PKTMBUF_HEADROOM" > > #error "Annotation requirement is more than RTE_PKTMBUF_HEADROOM" > > ^ > > cc1: error: unrecognized command line option "-Wno-address-of-packed- > > member" > > [-Werror] > > cc1: all warnings being treated as errors > > make[6]: *** [portal/dpaa2_hw_dpbp.o] Error 1 > > make[6]: *** Waiting for unfinished jobs.... > > In file included from > > /auto/mtrswgwork/matan/reps/matan_rep/dpdk.org/drivers/bus/fslmc/po > > rtal/dpaa2_hw_dpio.c:37:0: > > /auto/mtrswgwork/matan/reps/matan_rep/dpdk.org/drivers/bus/fslmc/po > > rtal/dpaa2_hw_pvt.h:76:2: > > error: #error "Annotation requirement is more than > > RTE_PKTMBUF_HEADROOM" > > #error "Annotation requirement is more than RTE_PKTMBUF_HEADROOM" > > ^ > > cc1: error: unrecognized command line option "-Wno-address-of-packed- > > member" > > [-Werror] > > cc1: all warnings being treated as errors > > make[6]: *** [portal/dpaa2_hw_dpio.o] Error 1 In file included from > > /auto/mtrswgwork/matan/reps/matan_rep/dpdk.org/drivers/bus/fslmc/po > > rtal/dpaa2_hw_dpci.c:26:0: > > /auto/mtrswgwork/matan/reps/matan_rep/dpdk.org/drivers/bus/fslmc/po > > rtal/dpaa2_hw_pvt.h:76:2: > > error: #error "Annotation requirement is more than > > RTE_PKTMBUF_HEADROOM" > > #error "Annotation requirement is more than RTE_PKTMBUF_HEADROOM" > > ^ > > cc1: error: unrecognized command line option "-Wno-address-of-packed- > > member" > > [-Werror] > > cc1: all warnings being treated as errors > > make[6]: *** [portal/dpaa2_hw_dpci.o] Error 1 In file included from > > /auto/mtrswgwork/matan/reps/matan_rep/dpdk.org/drivers/bus/fslmc/fsl > > mc_vfio.c:40:0: > > /auto/mtrswgwork/matan/reps/matan_rep/dpdk.org/drivers/bus/fslmc/po > > rtal/dpaa2_hw_pvt.h:76:2: > > error: #error "Annotation requirement is more than > > RTE_PKTMBUF_HEADROOM" > > #error "Annotation requirement is more than RTE_PKTMBUF_HEADROOM" > > ^ > > > > -- > > You are receiving this mail because: > > You are the assignee for the bug. It seems reasonable for a driver to require headroom to store extra data in receive buffer. It should be documented though.