From dc6c911c9993b4984aa0daf30e6197e8ad7bd196 Mon Sep 17 00:00:00 2001 From: Helin Zhang Date: Thu, 11 Jun 2015 15:03:55 +0800 Subject: [PATCH] mbuf: use reserved space for double vlan Use the reserved 16 bits in rte_mbuf structure for the outer vlan, also add QinQ offloading flags for both RX and TX sides. Signed-off-by: Helin Zhang Acked-by: Jingjing Wu --- lib/librte_mbuf/rte_mbuf.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h index 8a2cae1cbc..80419df37a 100644 --- a/lib/librte_mbuf/rte_mbuf.h +++ b/lib/librte_mbuf/rte_mbuf.h @@ -102,10 +102,16 @@ extern "C" { #define PKT_RX_TUNNEL_IPV6_HDR (1ULL << 12) /**< RX tunnel packet with IPv6 header. */ #define PKT_RX_FDIR_ID (1ULL << 13) /**< FD id reported if FDIR match. */ #define PKT_RX_FDIR_FLX (1ULL << 14) /**< Flexible bytes reported if FDIR match. */ +#define PKT_RX_QINQ_PKT (1ULL << 15) /**< RX packet with double VLAN stripped. */ /* add new RX flags here */ /* add new TX flags here */ +/** + * Second VLAN insertion (QinQ) flag. + */ +#define PKT_TX_QINQ_PKT (1ULL << 49) /**< TX packet with double VLAN inserted. */ + /** * TCP segmentation offload. To enable this offload feature for a * packet to be transmitted on hardware supporting TSO: @@ -280,7 +286,7 @@ struct rte_mbuf { uint16_t data_len; /**< Amount of data in segment buffer. */ uint32_t pkt_len; /**< Total pkt len: sum of all segments. */ uint16_t vlan_tci; /**< VLAN Tag Control Identifier (CPU order) */ - uint16_t reserved; + uint16_t vlan_tci_outer; /**< Outer VLAN Tag Control Identifier (CPU order) */ union { uint32_t rss; /**< RSS hash result if RSS enabled */ struct { @@ -784,6 +790,7 @@ static inline void rte_pktmbuf_reset(struct rte_mbuf *m) m->pkt_len = 0; m->tx_offload = 0; m->vlan_tci = 0; + m->vlan_tci_outer = 0; m->nb_segs = 1; m->port = 0xff; @@ -856,6 +863,7 @@ static inline void rte_pktmbuf_attach(struct rte_mbuf *mi, struct rte_mbuf *m) mi->data_len = m->data_len; mi->port = m->port; mi->vlan_tci = m->vlan_tci; + mi->vlan_tci_outer = m->vlan_tci_outer; mi->tx_offload = m->tx_offload; mi->hash = m->hash; -- 2.20.1