From mboxrd@z Thu Jan 1 00:00:00 1970 From: Beilei Xing Subject: [PATCH v6 7/8] net/i40e: add cloud filter parsing function for GTP Date: Fri, 29 Sep 2017 13:19:01 +0800 Message-ID: <1506662342-18966-8-git-send-email-beilei.xing@intel.com> References: <1506565054-67690-1-git-send-email-beilei.xing@intel.com> <1506662342-18966-1-git-send-email-beilei.xing@intel.com> Cc: andrey.chilikin@intel.com, dev@dpdk.org To: jingjing.wu@intel.com Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 1D5CC1AEF3 for ; Fri, 29 Sep 2017 07:19:51 +0200 (CEST) In-Reply-To: <1506662342-18966-1-git-send-email-beilei.xing@intel.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 adds i40e_flow_parse_gtp_filter parsing function for GTP-C and GTP-U to support cloud filter. Signed-off-by: Beilei Xing --- drivers/net/i40e/i40e_ethdev.h | 2 + drivers/net/i40e/i40e_flow.c | 151 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 153 insertions(+) diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h index 502f6c6..436ca2c 100644 --- a/drivers/net/i40e/i40e_ethdev.h +++ b/drivers/net/i40e/i40e_ethdev.h @@ -703,6 +703,8 @@ enum i40e_tunnel_type { I40E_TUNNEL_TYPE_MPLSoUDP, I40E_TUNNEL_TYPE_MPLSoGRE, I40E_TUNNEL_TYPE_QINQ, + I40E_TUNNEL_TYPE_GTPC, + I40E_TUNNEL_TYPE_GTPU, I40E_TUNNEL_TYPE_MAX, }; diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c index ea81ecb..2bf7098 100644 --- a/drivers/net/i40e/i40e_flow.c +++ b/drivers/net/i40e/i40e_flow.c @@ -125,6 +125,12 @@ static int i40e_flow_parse_mpls_filter(struct rte_eth_dev *dev, const struct rte_flow_action actions[], struct rte_flow_error *error, union i40e_filter_t *filter); +static int i40e_flow_parse_gtp_filter(struct rte_eth_dev *dev, + const struct rte_flow_attr *attr, + const struct rte_flow_item pattern[], + const struct rte_flow_action actions[], + struct rte_flow_error *error, + union i40e_filter_t *filter); static int i40e_flow_destroy_ethertype_filter(struct i40e_pf *pf, struct i40e_ethertype_filter *filter); static int i40e_flow_destroy_tunnel_filter(struct i40e_pf *pf, @@ -1808,6 +1814,11 @@ static struct i40e_valid_pattern i40e_supported_patterns[] = { { pattern_mpls_2, i40e_flow_parse_mpls_filter }, { pattern_mpls_3, i40e_flow_parse_mpls_filter }, { pattern_mpls_4, i40e_flow_parse_mpls_filter }, + /* GTP-C & GTP-U */ + { pattern_fdir_ipv4_gtpc, i40e_flow_parse_gtp_filter }, + { pattern_fdir_ipv4_gtpu, i40e_flow_parse_gtp_filter }, + { pattern_fdir_ipv6_gtpc, i40e_flow_parse_gtp_filter }, + { pattern_fdir_ipv6_gtpu, i40e_flow_parse_gtp_filter }, /* QINQ */ { pattern_qinq_1, i40e_flow_parse_qinq_filter }, }; @@ -3823,6 +3834,146 @@ i40e_flow_parse_mpls_filter(struct rte_eth_dev *dev, } /* 1. Last in item should be NULL as range is not supported. + * 2. Supported filter types: GTP TEID. + * 3. Mask of fields which need to be matched should be + * filled with 1. + * 4. Mask of fields which needn't to be matched should be + * filled with 0. + */ +static int +i40e_flow_parse_gtp_pattern(struct rte_eth_dev *dev, + const struct rte_flow_item *pattern, + struct rte_flow_error *error, + struct i40e_tunnel_filter_conf *filter) +{ + struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); + const struct rte_flow_item *item = pattern; + const struct rte_flow_item_gtp *gtp_spec; + const struct rte_flow_item_gtp *gtp_mask; + enum rte_flow_item_type item_type; + + if (!pf->gtp_support) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, + "GTP is not supported by default."); + return -rte_errno; + } + + for (; item->type != RTE_FLOW_ITEM_TYPE_END; item++) { + if (item->last) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, + "Not support range"); + return -rte_errno; + } + item_type = item->type; + switch (item_type) { + case RTE_FLOW_ITEM_TYPE_ETH: + if (item->spec || item->mask) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, + "Invalid ETH item"); + return -rte_errno; + } + break; + case RTE_FLOW_ITEM_TYPE_IPV4: + filter->ip_type = I40E_TUNNEL_IPTYPE_IPV4; + /* IPv4 is used to describe protocol, + * spec and mask should be NULL. + */ + if (item->spec || item->mask) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, + "Invalid IPv4 item"); + return -rte_errno; + } + break; + case RTE_FLOW_ITEM_TYPE_UDP: + if (item->spec || item->mask) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, + "Invalid UDP item"); + return -rte_errno; + } + break; + case RTE_FLOW_ITEM_TYPE_GTPC: + case RTE_FLOW_ITEM_TYPE_GTPU: + gtp_spec = + (const struct rte_flow_item_gtp *)item->spec; + gtp_mask = + (const struct rte_flow_item_gtp *)item->mask; + + if (!gtp_spec || !gtp_mask) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, + "Invalid GTP item"); + return -rte_errno; + } + + if (gtp_mask->v_pt_rsv_flags || + gtp_mask->msg_type || + gtp_mask->msg_len || + gtp_mask->teid != UINT32_MAX) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, + "Invalid GTP mask"); + return -rte_errno; + } + + if (item_type == RTE_FLOW_ITEM_TYPE_GTPC) + filter->tunnel_type = I40E_TUNNEL_TYPE_GTPC; + else if (item_type == RTE_FLOW_ITEM_TYPE_GTPU) + filter->tunnel_type = I40E_TUNNEL_TYPE_GTPU; + + filter->tenant_id = rte_be_to_cpu_32(gtp_spec->teid); + + break; + default: + break; + } + } + + return 0; +} + +static int +i40e_flow_parse_gtp_filter(struct rte_eth_dev *dev, + const struct rte_flow_attr *attr, + const struct rte_flow_item pattern[], + const struct rte_flow_action actions[], + struct rte_flow_error *error, + union i40e_filter_t *filter) +{ + struct i40e_tunnel_filter_conf *tunnel_filter = + &filter->consistent_tunnel_filter; + int ret; + + ret = i40e_flow_parse_gtp_pattern(dev, pattern, + error, tunnel_filter); + if (ret) + return ret; + + ret = i40e_flow_parse_tunnel_action(dev, actions, error, tunnel_filter); + if (ret) + return ret; + + ret = i40e_flow_parse_attr(attr, error); + if (ret) + return ret; + + cons_filter_type = RTE_ETH_FILTER_TUNNEL; + + return ret; +} + +/* 1. Last in item should be NULL as range is not supported. * 2. Supported filter types: QINQ. * 3. Mask of fields which need to be matched should be * filled with 1. -- 2.5.5