From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bruce Richardson Subject: [PATCH v2 5/5] mbuf: switch vlan_tci and reserved2 fields Date: Tue, 23 Sep 2014 12:08:17 +0100 Message-ID: <1411470497-10209-6-git-send-email-bruce.richardson@intel.com> References: <1410948102-12740-1-git-send-email-bruce.richardson@intel.com> <1411470497-10209-1-git-send-email-bruce.richardson@intel.com> To: dev-VfR2kkLFssw@public.gmane.org Return-path: In-Reply-To: <1411470497-10209-1-git-send-email-bruce.richardson-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" Move the vlan_tci field up by two bytes in the mbuf data structure. This has two effects: * Ensures the the ixgbe vector driver places the vlan tag in the correct place in the mbuf. * Allows a second vlan tag field, if one is added in the future, to be placed after the existing vlan field, rather than before. Signed-off-by: Bruce Richardson --- lib/librte_mbuf/rte_mbuf.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h index 9e70d3b..68304cc 100644 --- a/lib/librte_mbuf/rte_mbuf.h +++ b/lib/librte_mbuf/rte_mbuf.h @@ -159,8 +159,8 @@ struct rte_mbuf { uint16_t reserved2; /**< Unused field. Required for padding */ uint16_t data_len; /**< Amount of data in segment buffer. */ uint32_t pkt_len; /**< Total pkt len: sum of all segments. */ - uint16_t reserved; uint16_t vlan_tci; /**< VLAN Tag Control Identifier (CPU order) */ + uint16_t reserved; union { uint32_t rss; /**< RSS hash result if RSS enabled */ struct { -- 1.9.3