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[204.195.96.226]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22c33f1d3cbsm1315785ad.97.2025.04.15.17.01.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Apr 2025 17:01:43 -0700 (PDT) Date: Tue, 15 Apr 2025 17:01:40 -0700 From: Stephen Hemminger To: "Lombardo, Ed" Cc: Dmitry Kozlyuk , "users@dpdk.org" Subject: Re: mbuf refcnt issue Message-ID: <20250415170140.788eca01@hermes.local> In-Reply-To: References: <20250408205341.68d37d0a@hermes.local> <20250409092418.70c5eb3d@hermes.local> <20250409202538.46a08ba8@hermes.local> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org On Tue, 15 Apr 2025 13:10:18 +0000 "Lombardo, Ed" wrote: > Hi, > I enabled more logging, and I see the following ICE Driver Malicious Driver Detection event 6 and 7, in the dpdk_log.txt when failure occurs. > > EAL: Allocated 2112 bytes of per-lcore data with a 64-byte alignment > ICE_INIT: ice_load_pkg_type(): Active package is: 1.3.35.0, ICE OS Default Package (single VLAN mode) > ICE_INIT: ice_load_pkg_type(): Active package is: 1.3.35.0, ICE OS Default Package (single VLAN mode) > MBUF: Registered dynamic field rte_dynfield_timestamp (sz=8, al=8, fl=0x0) -> 96 > MBUF: Registered dynamic flag rte_dynflag_rx_timestamp (fl=0x0) -> 23 > MBUF: Registered dynamic field rte_mbuf_dynfield_udata64 (sz=8, al=8, fl=0x0) -> 104 > ICE_DRIVER: ice_interrupt_handler(): OICR: MDD event > ICE_DRIVER: ice_interrupt_handler(): Malicious Driver Detection event 7 by TCLAN on TX queue 2 PF# 0 > ICE_DRIVER: ice_interrupt_handler(): Malicious Driver Detection event 6 by TDPU on TX queue 2 PF# 0 > > Are malformed packets handled by DPDK, can malformed packets corrupt the mbufs? > > Thanks, > Ed I do not know. The malicious driver detection is when application asks to send a packet on a VF that is not for that VF. I.e source MAC or VLAN mismatch.