From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xueming Li Subject: [PATCH v5 1/2] ethdev: introduce generic IP/UDP tunnel checksum and TSO Date: Tue, 17 Apr 2018 22:47:59 +0800 Message-ID: <20180417144759.160311-1-xuemingl@mellanox.com> References: <20180408123240.110698-1-xuemingl@mellanox.com> Cc: Xueming Li , Ferruh Yigit , dev@dpdk.org To: Wenzhuo Lu , Jingjing Wu , Thomas Monjalon , Yongseok Koh , Olivier MATZ , Shahaf Shuler , Iremonger@dev-r630-06.mtbc.labs.mlnx, Bernard Return-path: Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id EF27D8E81 for ; Tue, 17 Apr 2018 16:48:06 +0200 (CEST) In-Reply-To: <20180408123240.110698-1-xuemingl@mellanox.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch introduce new TX offload flags for device that supports IP or UDP tunneled packet L3/L4 checksum and TSO offload. The support from the device is for inner and outer checksums on IPV4/TCP/UDP and TSO for *any packet with the following format*: / [optional IPv4/IPv6] / [optional TCP/UDP] / / [optional inner IPv4/IPv6] / [optional TCP/UDP] For example the following packets can use this feature: 1. eth / ipv4 / udp / VXLAN / ip / tcp 2. eth / ipv4 / GRE / MPLS / ipv4 / udp Please note that tunnel headers that contain payload length, sequence id or checksum will not be updated. Signed-off-by: Xueming Li --- lib/librte_ether/rte_ethdev.h | 4 ++++ lib/librte_mbuf/rte_mbuf.c | 6 ++++++ lib/librte_mbuf/rte_mbuf.h | 16 ++++++++++++++++ 3 files changed, 26 insertions(+) diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index 4f417f573..51db97a6a 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -980,6 +980,10 @@ struct rte_eth_conf { * the same mempool and has refcnt = 1. */ #define DEV_TX_OFFLOAD_SECURITY 0x00020000 +/**< Device supports UDP tunneled packet TSO */ +#define DEV_TX_OFFLOAD_UDP_TNL_TSO 0x00040000 +/**< Device supports IP based tunnel packet TSO */ +#define DEV_TX_OFFLOAD_IP_TNL_TSO 0x00080000 /* * If new Tx offload capabilities are defined, they also must be diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c index 3f4c83305..64e960d4c 100644 --- a/lib/librte_mbuf/rte_mbuf.c +++ b/lib/librte_mbuf/rte_mbuf.c @@ -390,6 +390,8 @@ const char *rte_get_tx_ol_flag_name(uint64_t mask) case PKT_TX_TUNNEL_IPIP: return "PKT_TX_TUNNEL_IPIP"; case PKT_TX_TUNNEL_GENEVE: return "PKT_TX_TUNNEL_GENEVE"; case PKT_TX_TUNNEL_MPLSINUDP: return "PKT_TX_TUNNEL_MPLSINUDP"; + case PKT_TX_TUNNEL_IP: return "PKT_TX_TUNNEL_IP"; + case PKT_TX_TUNNEL_UDP: return "PKT_TX_TUNNEL_UDP"; case PKT_TX_MACSEC: return "PKT_TX_MACSEC"; case PKT_TX_SEC_OFFLOAD: return "PKT_TX_SEC_OFFLOAD"; default: return NULL; @@ -424,6 +426,10 @@ rte_get_tx_ol_flag_list(uint64_t mask, char *buf, size_t buflen) "PKT_TX_TUNNEL_NONE" }, { PKT_TX_TUNNEL_MPLSINUDP, PKT_TX_TUNNEL_MASK, "PKT_TX_TUNNEL_NONE" }, + { PKT_TX_TUNNEL_IP, PKT_TX_TUNNEL_MASK, + "PKT_TX_TUNNEL_NONE" }, + { PKT_TX_TUNNEL_UDP, PKT_TX_TUNNEL_MASK, + "PKT_TX_TUNNEL_NONE" }, { PKT_TX_MACSEC, PKT_TX_MACSEC, NULL }, { PKT_TX_SEC_OFFLOAD, PKT_TX_SEC_OFFLOAD, NULL }, }; diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h index 06eceba37..639e18f7c 100644 --- a/lib/librte_mbuf/rte_mbuf.h +++ b/lib/librte_mbuf/rte_mbuf.h @@ -210,6 +210,22 @@ extern "C" { #define PKT_TX_TUNNEL_GENEVE (0x4ULL << 45) /**< TX packet with MPLS-in-UDP RFC 7510 header. */ #define PKT_TX_TUNNEL_MPLSINUDP (0x5ULL << 45) +/** + * Generic IP encapsulated tunnel type, used for TSO offload instead + * of defining new tunnel types. This feature relies on offloading + * DEV_TX_OFFLOAD_IP_TNL_TSO present. + * Tunnel header that contains payload length, sequence id or checksum + * is not expected to be updated. + */ +#define PKT_TX_TUNNEL_IP (0xDULL << 45) +/** + * Generic UDP encapsulated tunnel type, used for TSO offload instead + * of defining new tunnel types. This feature relies on offloading + * DEV_TX_OFFLOAD_UDP_TNL_TSO present. + * Tunnel header that contains payload length, sequence id or checksum + * is not expected to be updated. + */ +#define PKT_TX_TUNNEL_UDP (0xEULL << 45) /* add new TX TUNNEL type here */ #define PKT_TX_TUNNEL_MASK (0xFULL << 45) -- 2.13.3