From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 5823DA2EDB for ; Mon, 30 Sep 2019 15:48:48 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 1720D1BE81; Mon, 30 Sep 2019 15:48:41 +0200 (CEST) Received: from huawei.com (szxga04-in.huawei.com [45.249.212.190]) by dpdk.org (Postfix) with ESMTP id 271A71BE81 for ; Mon, 30 Sep 2019 15:48:39 +0200 (CEST) Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 1C57DC7A436DE3EB2A99 for ; Mon, 30 Sep 2019 21:48:38 +0800 (CST) Received: from tester.localdomain (10.175.119.39) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.439.0; Mon, 30 Sep 2019 21:48:31 +0800 From: Xiaoyun wang To: CC: , , , , , , , Xiaoyun wang Date: Mon, 30 Sep 2019 22:00:46 +0800 Message-ID: <2dfcbd8366dbb2e1f6d110e60cddd94938c731d0.1569850827.git.cloud.wangxiaoyun@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.119.39] X-CFilter-Loop: Reflected Subject: [dpdk-dev] [PATCH v3 08/19] net/hinic: add fdir validate flow operations X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list 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 is to validate the filter rules, which includes ntuple filter, ethertype filter and fdir filter. The packets type that supported are BGP,VRRP,LACP,ARP and ICMP. Signed-off-by: Xiaoyun wang --- drivers/net/hinic/Makefile | 1 + drivers/net/hinic/hinic_pmd_ethdev.c | 42 ++ drivers/net/hinic/hinic_pmd_ethdev.h | 24 + drivers/net/hinic/hinic_pmd_flow.c | 1172 ++++++++++++++++++++++++++++++++++ drivers/net/hinic/meson.build | 1 + 5 files changed, 1240 insertions(+) create mode 100644 drivers/net/hinic/hinic_pmd_flow.c diff --git a/drivers/net/hinic/Makefile b/drivers/net/hinic/Makefile index 20a338e..b78fd8d 100644 --- a/drivers/net/hinic/Makefile +++ b/drivers/net/hinic/Makefile @@ -60,6 +60,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_HINIC_PMD) += hinic_pmd_niccfg.c SRCS-$(CONFIG_RTE_LIBRTE_HINIC_PMD) += hinic_pmd_nicio.c SRCS-$(CONFIG_RTE_LIBRTE_HINIC_PMD) += hinic_pmd_wq.c SRCS-$(CONFIG_RTE_LIBRTE_HINIC_PMD) += hinic_pmd_mbox.c +SRCS-$(CONFIG_RTE_LIBRTE_HINIC_PMD) += hinic_pmd_flow.c SRCS-$(CONFIG_RTE_LIBRTE_HINIC_PMD) += hinic_pmd_ethdev.c SRCS-$(CONFIG_RTE_LIBRTE_HINIC_PMD) += hinic_pmd_rx.c diff --git a/drivers/net/hinic/hinic_pmd_ethdev.c b/drivers/net/hinic/hinic_pmd_ethdev.c index 91b4f98..f2f0fa9 100644 --- a/drivers/net/hinic/hinic_pmd_ethdev.c +++ b/drivers/net/hinic/hinic_pmd_ethdev.c @@ -2285,6 +2285,46 @@ static int hinic_set_mc_addr_list(struct rte_eth_dev *dev, return 0; } +/** + * DPDK callback to manage filter operations + * + * @param dev + * Pointer to Ethernet device structure. + * @param filter_type + * Filter type. + * @param filter_op + * Operation to perform. + * @param arg + * Pointer to operation-specific structure. + * + * @return + * 0 on success, negative errno value on failure. + */ +static int hinic_dev_filter_ctrl(struct rte_eth_dev *dev, + enum rte_filter_type filter_type, + enum rte_filter_op filter_op, + void *arg) +{ + struct hinic_nic_dev *nic_dev = HINIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev); + int func_id = hinic_global_func_id(nic_dev->hwdev); + + switch (filter_type) { + case RTE_ETH_FILTER_GENERIC: + if (filter_op != RTE_ETH_FILTER_GET) + return -EINVAL; + *(const void **)arg = &hinic_flow_ops; + break; + default: + PMD_DRV_LOG(INFO, "Filter type (%d) not supported", + filter_type); + return -EINVAL; + } + + PMD_DRV_LOG(INFO, "Set filter_ctrl succeed, func_id: 0x%x, filter_type: 0x%x," + "filter_op: 0x%x.", func_id, filter_type, filter_op); + return 0; +} + static int hinic_set_default_pause_feature(struct hinic_nic_dev *nic_dev) { struct nic_pause_config pause_config = {0}; @@ -2736,6 +2776,7 @@ static void hinic_dev_close(struct rte_eth_dev *dev) .mac_addr_remove = hinic_mac_addr_remove, .mac_addr_add = hinic_mac_addr_add, .set_mc_addr_list = hinic_set_mc_addr_list, + .filter_ctrl = hinic_dev_filter_ctrl, }; static const struct eth_dev_ops hinic_pmd_vf_ops = { @@ -2767,6 +2808,7 @@ static void hinic_dev_close(struct rte_eth_dev *dev) .mac_addr_remove = hinic_mac_addr_remove, .mac_addr_add = hinic_mac_addr_add, .set_mc_addr_list = hinic_set_mc_addr_list, + .filter_ctrl = hinic_dev_filter_ctrl, }; static int hinic_func_init(struct rte_eth_dev *eth_dev) diff --git a/drivers/net/hinic/hinic_pmd_ethdev.h b/drivers/net/hinic/hinic_pmd_ethdev.h index b4f93ad..58a38d9 100644 --- a/drivers/net/hinic/hinic_pmd_ethdev.h +++ b/drivers/net/hinic/hinic_pmd_ethdev.h @@ -38,6 +38,30 @@ enum hinic_dev_status { HINIC_DEV_INTR_EN, }; +/* Information about the fdir mode. */ +struct hinic_hw_fdir_mask { + uint32_t src_ipv4_mask; + uint32_t dst_ipv4_mask; + uint16_t src_port_mask; + uint16_t dst_port_mask; +}; + +/* Flow Director attribute */ +struct hinic_atr_input { + u32 dst_ip; + u32 src_ip; + u16 src_port; + u16 dst_port; +}; + +struct hinic_fdir_rule { + struct hinic_hw_fdir_mask mask; + struct hinic_atr_input hinic_fdir; /* key of fdir filter */ + uint8_t queue; /* queue assigned when matched */ +}; + +extern const struct rte_flow_ops hinic_flow_ops; + /* hinic nic_device */ struct hinic_nic_dev { /* hardware device */ diff --git a/drivers/net/hinic/hinic_pmd_flow.c b/drivers/net/hinic/hinic_pmd_flow.c new file mode 100644 index 0000000..cf9f105 --- /dev/null +++ b/drivers/net/hinic/hinic_pmd_flow.c @@ -0,0 +1,1172 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2017 Huawei Technologies Co., Ltd + */ + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include "base/hinic_compat.h" +#include "base/hinic_pmd_hwdev.h" +#include "base/hinic_pmd_hwif.h" +#include "base/hinic_pmd_wq.h" +#include "base/hinic_pmd_cmdq.h" +#include "base/hinic_pmd_niccfg.h" +#include "hinic_pmd_ethdev.h" + +#ifndef UINT8_MAX +#define UINT8_MAX (u8)(~((u8)0)) /* 0xFF */ +#define UINT16_MAX (u16)(~((u16)0)) /* 0xFFFF */ +#define UINT32_MAX (u32)(~((u32)0)) /* 0xFFFFFFFF */ +#define UINT64_MAX (u64)(~((u64)0)) /* 0xFFFFFFFFFFFFFFFF */ +#define ASCII_MAX (0x7F) +#endif + +#define HINIC_MIN_N_TUPLE_PRIO 1 +#define HINIC_MAX_N_TUPLE_PRIO 7 + +/** + * Endless loop will never happen with below assumption + * 1. there is at least one no-void item(END) + * 2. cur is before END. + */ +static inline const struct rte_flow_item * +next_no_void_pattern(const struct rte_flow_item pattern[], + const struct rte_flow_item *cur) +{ + const struct rte_flow_item *next = + cur ? cur + 1 : &pattern[0]; + while (1) { + if (next->type != RTE_FLOW_ITEM_TYPE_VOID) + return next; + next++; + } +} + +static inline const struct rte_flow_action * +next_no_void_action(const struct rte_flow_action actions[], + const struct rte_flow_action *cur) +{ + const struct rte_flow_action *next = + cur ? cur + 1 : &actions[0]; + while (1) { + if (next->type != RTE_FLOW_ACTION_TYPE_VOID) + return next; + next++; + } +} + +static int hinic_check_ethertype_attr_ele(const struct rte_flow_attr *attr, + struct rte_flow_error *error) +{ + /* Must be input direction */ + if (!attr->ingress) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR_INGRESS, + attr, "Only support ingress."); + return -rte_errno; + } + + if (attr->egress) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, + attr, "Not support egress."); + return -rte_errno; + } + + if (attr->priority) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY, + attr, "Not support priority."); + return -rte_errno; + } + + if (attr->group) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR_GROUP, + attr, "Not support group."); + return -rte_errno; + } + + return 0; +} + +static int hinic_check_filter_arg(const struct rte_flow_attr *attr, + const struct rte_flow_item *pattern, + const struct rte_flow_action *actions, + struct rte_flow_error *error) +{ + if (!pattern) { + rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM_NUM, + NULL, "NULL pattern."); + return -rte_errno; + } + + if (!actions) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION_NUM, + NULL, "NULL action."); + return -rte_errno; + } + + if (!attr) { + rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ATTR, + NULL, "NULL attribute."); + return -rte_errno; + } + + return 0; +} + +static int hinic_check_ethertype_first_item(const struct rte_flow_item *item, + struct rte_flow_error *error) +{ + /* The first non-void item should be MAC */ + if (item->type != RTE_FLOW_ITEM_TYPE_ETH) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by ethertype filter"); + return -rte_errno; + } + + /* Not supported last point for range */ + if (item->last) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_UNSPECIFIED, + item, "Not supported last point for range"); + return -rte_errno; + } + + /* Get the MAC info. */ + if (!item->spec || !item->mask) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by ethertype filter"); + return -rte_errno; + } + return 0; +} + +static int +hinic_parse_ethertype_aciton(const struct rte_flow_action *actions, + const struct rte_flow_action *act, + const struct rte_flow_action_queue *act_q, + struct rte_eth_ethertype_filter *filter, + struct rte_flow_error *error) +{ + /* Parse action */ + act = next_no_void_action(actions, NULL); + if (act->type != RTE_FLOW_ACTION_TYPE_QUEUE && + act->type != RTE_FLOW_ACTION_TYPE_DROP) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, + act, "Not supported action."); + return -rte_errno; + } + + if (act->type == RTE_FLOW_ACTION_TYPE_QUEUE) { + act_q = (const struct rte_flow_action_queue *)act->conf; + filter->queue = act_q->index; + } else { + filter->flags |= RTE_ETHTYPE_FLAGS_DROP; + } + + /* Check if the next non-void item is END */ + act = next_no_void_action(actions, act); + if (act->type != RTE_FLOW_ACTION_TYPE_END) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, + act, "Not supported action."); + return -rte_errno; + } + + return 0; +} + +/** + * Parse the rule to see if it is a ethertype rule. + * And get the ethertype filter info BTW. + * pattern: + * The first not void item can be ETH. + * The next not void item must be END. + * action: + * The first not void action should be QUEUE. + * The next not void action should be END. + * pattern example: + * ITEM Spec Mask + * ETH type 0x0807 0xFFFF + * END + * other members in mask and spec should set to 0x00. + * item->last should be NULL. + */ +static int +cons_parse_ethertype_filter(const struct rte_flow_attr *attr, + const struct rte_flow_item *pattern, + const struct rte_flow_action *actions, + struct rte_eth_ethertype_filter *filter, + struct rte_flow_error *error) +{ + const struct rte_flow_item *item; + const struct rte_flow_action *act = NULL; + const struct rte_flow_item_eth *eth_spec; + const struct rte_flow_item_eth *eth_mask; + const struct rte_flow_action_queue *act_q = NULL; + + if (hinic_check_filter_arg(attr, pattern, actions, error)) + return -rte_errno; + + item = next_no_void_pattern(pattern, NULL); + if (hinic_check_ethertype_first_item(item, error)) + return -rte_errno; + + eth_spec = (const struct rte_flow_item_eth *)item->spec; + eth_mask = (const struct rte_flow_item_eth *)item->mask; + + /* + * Mask bits of source MAC address must be full of 0. + * Mask bits of destination MAC address must be full + * of 1 or full of 0. + */ + if (!rte_is_zero_ether_addr(ð_mask->src) || + (!rte_is_zero_ether_addr(ð_mask->dst) && + !rte_is_broadcast_ether_addr(ð_mask->dst))) { + rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, + item, "Invalid ether address mask"); + return -rte_errno; + } + + if ((eth_mask->type & UINT16_MAX) != UINT16_MAX) { + rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, + item, "Invalid ethertype mask"); + return -rte_errno; + } + + /* + * If mask bits of destination MAC address + * are full of 1, set RTE_ETHTYPE_FLAGS_MAC. + */ + if (rte_is_broadcast_ether_addr(ð_mask->dst)) { + filter->mac_addr = eth_spec->dst; + filter->flags |= RTE_ETHTYPE_FLAGS_MAC; + } else { + filter->flags &= ~RTE_ETHTYPE_FLAGS_MAC; + } + filter->ether_type = rte_be_to_cpu_16(eth_spec->type); + + /* Check if the next non-void item is END. */ + item = next_no_void_pattern(pattern, item); + if (item->type != RTE_FLOW_ITEM_TYPE_END) { + rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by ethertype filter."); + return -rte_errno; + } + + if (hinic_parse_ethertype_aciton(actions, act, act_q, filter, error)) + return -rte_errno; + + if (hinic_check_ethertype_attr_ele(attr, error)) + return -rte_errno; + + return 0; +} + +static int +hinic_parse_ethertype_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_eth_ethertype_filter *filter, + struct rte_flow_error *error) +{ + if (cons_parse_ethertype_filter(attr, pattern, actions, filter, error)) + return -rte_errno; + + /* NIC doesn't support MAC address. */ + if (filter->flags & RTE_ETHTYPE_FLAGS_MAC) { + memset(filter, 0, sizeof(struct rte_eth_ethertype_filter)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + NULL, "Not supported by ethertype filter"); + return -rte_errno; + } + + if (filter->queue >= dev->data->nb_rx_queues) { + memset(filter, 0, sizeof(struct rte_eth_ethertype_filter)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + NULL, "Queue index much too big"); + return -rte_errno; + } + + if (filter->ether_type == RTE_ETHER_TYPE_IPV4 || + filter->ether_type == RTE_ETHER_TYPE_IPV6) { + memset(filter, 0, sizeof(struct rte_eth_ethertype_filter)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + NULL, "IPv4/IPv6 not supported by ethertype filter"); + return -rte_errno; + } + + if (filter->flags & RTE_ETHTYPE_FLAGS_DROP) { + memset(filter, 0, sizeof(struct rte_eth_ethertype_filter)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + NULL, "Drop option is unsupported"); + return -rte_errno; + } + + /* Hinic only support LACP/ARP for ether type */ + if (filter->ether_type != RTE_ETHER_TYPE_SLOW && + filter->ether_type != RTE_ETHER_TYPE_ARP) { + memset(filter, 0, sizeof(struct rte_eth_ethertype_filter)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, NULL, + "only lacp/arp type supported by ethertype filter"); + return -rte_errno; + } + + return 0; +} + +static int hinic_check_ntuple_attr_ele(const struct rte_flow_attr *attr, + struct rte_eth_ntuple_filter *filter, + struct rte_flow_error *error) +{ + /* Must be input direction */ + if (!attr->ingress) { + memset(filter, 0, sizeof(struct rte_eth_ntuple_filter)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR_INGRESS, + attr, "Only support ingress."); + return -rte_errno; + } + + if (attr->egress) { + memset(filter, 0, sizeof(struct rte_eth_ntuple_filter)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, + attr, "Not support egress."); + return -rte_errno; + } + + if (attr->priority > 0xFFFF) { + memset(filter, 0, sizeof(struct rte_eth_ntuple_filter)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY, + attr, "Error priority."); + return -rte_errno; + } + + if (attr->priority < HINIC_MIN_N_TUPLE_PRIO || + attr->priority > HINIC_MAX_N_TUPLE_PRIO) + filter->priority = 1; + else + filter->priority = (uint16_t)attr->priority; + + return 0; +} + +static int +hinic_check_ntuple_act_ele(__rte_unused const struct rte_flow_item *item, + const struct rte_flow_action actions[], + struct rte_eth_ntuple_filter *filter, + struct rte_flow_error *error) +{ + const struct rte_flow_action *act; + /* + * n-tuple only supports forwarding, + * check if the first not void action is QUEUE. + */ + act = next_no_void_action(actions, NULL); + if (act->type != RTE_FLOW_ACTION_TYPE_QUEUE) { + memset(filter, 0, sizeof(struct rte_eth_ntuple_filter)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, + act, "Flow action type is not QUEUE."); + return -rte_errno; + } + filter->queue = + ((const struct rte_flow_action_queue *)act->conf)->index; + + /* Check if the next not void item is END */ + act = next_no_void_action(actions, act); + if (act->type != RTE_FLOW_ACTION_TYPE_END) { + memset(filter, 0, sizeof(struct rte_eth_ntuple_filter)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ACTION, + act, "Next not void item is not END."); + return -rte_errno; + } + + return 0; +} + +static int hinic_ntuple_item_check_ether(const struct rte_flow_item **ipv4_item, + const struct rte_flow_item pattern[], + struct rte_flow_error *error) +{ + const struct rte_flow_item *item; + + /* The first not void item can be MAC or IPv4 */ + item = next_no_void_pattern(pattern, NULL); + + if (item->type != RTE_FLOW_ITEM_TYPE_ETH && + item->type != RTE_FLOW_ITEM_TYPE_IPV4) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by ntuple filter"); + return -rte_errno; + } + + /* Skip Ethernet */ + if (item->type == RTE_FLOW_ITEM_TYPE_ETH) { + /* Not supported last point for range */ + if (item->last) { + rte_flow_error_set(error, + EINVAL, + RTE_FLOW_ERROR_TYPE_UNSPECIFIED, + item, "Not supported last point for range"); + return -rte_errno; + } + /* if the first item is MAC, the content should be NULL */ + if (item->spec || item->mask) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by ntuple filter"); + return -rte_errno; + } + /* check if the next not void item is IPv4 */ + item = next_no_void_pattern(pattern, item); + if (item->type != RTE_FLOW_ITEM_TYPE_IPV4) { + rte_flow_error_set(error, + EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by ntuple filter"); + return -rte_errno; + } + } + + *ipv4_item = item; + return 0; +} + +static int +hinic_ntuple_item_check_ipv4(const struct rte_flow_item **in_out_item, + const struct rte_flow_item pattern[], + struct rte_eth_ntuple_filter *filter, + struct rte_flow_error *error) +{ + const struct rte_flow_item_ipv4 *ipv4_spec; + const struct rte_flow_item_ipv4 *ipv4_mask; + const struct rte_flow_item *item = *in_out_item; + + /* Get the IPv4 info */ + if (!item->spec || !item->mask) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Invalid ntuple mask"); + return -rte_errno; + } + /* Not supported last point for range */ + if (item->last) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_UNSPECIFIED, + item, "Not supported last point for range"); + return -rte_errno; + } + + ipv4_mask = (const struct rte_flow_item_ipv4 *)item->mask; + /* + * Only support src & dst addresses, protocol, + * others should be masked. + */ + if (ipv4_mask->hdr.version_ihl || + ipv4_mask->hdr.type_of_service || + ipv4_mask->hdr.total_length || + ipv4_mask->hdr.packet_id || + ipv4_mask->hdr.fragment_offset || + ipv4_mask->hdr.time_to_live || + ipv4_mask->hdr.hdr_checksum || + !ipv4_mask->hdr.next_proto_id) { + rte_flow_error_set(error, + EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by ntuple filter"); + return -rte_errno; + } + + filter->dst_ip_mask = ipv4_mask->hdr.dst_addr; + filter->src_ip_mask = ipv4_mask->hdr.src_addr; + filter->proto_mask = ipv4_mask->hdr.next_proto_id; + + ipv4_spec = (const struct rte_flow_item_ipv4 *)item->spec; + filter->dst_ip = ipv4_spec->hdr.dst_addr; + filter->src_ip = ipv4_spec->hdr.src_addr; + filter->proto = ipv4_spec->hdr.next_proto_id; + + /* Get next no void item */ + *in_out_item = next_no_void_pattern(pattern, item); + return 0; +} + +static int hinic_ntuple_item_check_l4(const struct rte_flow_item **in_out_item, + const struct rte_flow_item pattern[], + struct rte_eth_ntuple_filter *filter, + struct rte_flow_error *error) +{ + const struct rte_flow_item_tcp *tcp_spec; + const struct rte_flow_item_tcp *tcp_mask; + const struct rte_flow_item_icmp *icmp_mask; + const struct rte_flow_item *item = *in_out_item; + u32 ntuple_filter_size = sizeof(struct rte_eth_ntuple_filter); + + if (item->type == RTE_FLOW_ITEM_TYPE_END) + return 0; + + /* Get TCP or UDP info */ + if (item->type != RTE_FLOW_ITEM_TYPE_END && + (!item->spec || !item->mask)) { + memset(filter, 0, ntuple_filter_size); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Invalid ntuple mask"); + return -rte_errno; + } + + /* Not supported last point for range */ + if (item->last) { + memset(filter, 0, ntuple_filter_size); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_UNSPECIFIED, + item, "Not supported last point for range"); + return -rte_errno; + } + + if (item->type == RTE_FLOW_ITEM_TYPE_TCP) { + tcp_mask = (const struct rte_flow_item_tcp *)item->mask; + + /* + * Only support src & dst ports, tcp flags, + * others should be masked. + */ + if (tcp_mask->hdr.sent_seq || + tcp_mask->hdr.recv_ack || + tcp_mask->hdr.data_off || + tcp_mask->hdr.rx_win || + tcp_mask->hdr.cksum || + tcp_mask->hdr.tcp_urp) { + memset(filter, 0, ntuple_filter_size); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by ntuple filter"); + return -rte_errno; + } + + filter->dst_port_mask = tcp_mask->hdr.dst_port; + filter->src_port_mask = tcp_mask->hdr.src_port; + if (tcp_mask->hdr.tcp_flags == 0xFF) { + filter->flags |= RTE_NTUPLE_FLAGS_TCP_FLAG; + } else if (!tcp_mask->hdr.tcp_flags) { + filter->flags &= ~RTE_NTUPLE_FLAGS_TCP_FLAG; + } else { + memset(filter, 0, ntuple_filter_size); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by ntuple filter"); + return -rte_errno; + } + + tcp_spec = (const struct rte_flow_item_tcp *)item->spec; + filter->dst_port = tcp_spec->hdr.dst_port; + filter->src_port = tcp_spec->hdr.src_port; + filter->tcp_flags = tcp_spec->hdr.tcp_flags; + } else if (item->type == RTE_FLOW_ITEM_TYPE_ICMP) { + icmp_mask = (const struct rte_flow_item_icmp *)item->mask; + + /* ICMP all should be masked. */ + if (icmp_mask->hdr.icmp_cksum || + icmp_mask->hdr.icmp_ident || + icmp_mask->hdr.icmp_seq_nb || + icmp_mask->hdr.icmp_type || + icmp_mask->hdr.icmp_code) { + memset(filter, 0, ntuple_filter_size); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by ntuple filter"); + return -rte_errno; + } + } + + /* Get next no void item */ + *in_out_item = next_no_void_pattern(pattern, item); + return 0; +} + +static int hinic_ntuple_item_check_end(const struct rte_flow_item *item, + struct rte_eth_ntuple_filter *filter, + struct rte_flow_error *error) +{ + /* Check if the next not void item is END */ + if (item->type != RTE_FLOW_ITEM_TYPE_END) { + memset(filter, 0, sizeof(struct rte_eth_ntuple_filter)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by ntuple filter"); + return -rte_errno; + } + return 0; +} + +static int hinic_check_ntuple_item_ele(const struct rte_flow_item *item, + const struct rte_flow_item pattern[], + struct rte_eth_ntuple_filter *filter, + struct rte_flow_error *error) +{ + if (hinic_ntuple_item_check_ether(&item, pattern, error) || + hinic_ntuple_item_check_ipv4(&item, pattern, filter, error) || + hinic_ntuple_item_check_l4(&item, pattern, filter, error) || + hinic_ntuple_item_check_end(item, filter, error)) + return -rte_errno; + + return 0; +} + +/** + * Parse the rule to see if it is a n-tuple rule. + * And get the n-tuple filter info BTW. + * pattern: + * The first not void item can be ETH or IPV4. + * The second not void item must be IPV4 if the first one is ETH. + * The third not void item must be UDP or TCP. + * The next not void item must be END. + * action: + * The first not void action should be QUEUE. + * The next not void action should be END. + * pattern example: + * ITEM Spec Mask + * ETH NULL NULL + * IPV4 src_addr 192.168.1.20 0xFFFFFFFF + * dst_addr 192.167.3.50 0xFFFFFFFF + * next_proto_id 17 0xFF + * UDP/TCP/ src_port 80 0xFFFF + * SCTP dst_port 80 0xFFFF + * END + * other members in mask and spec should set to 0x00. + * item->last should be NULL. + * Please aware there's an asumption for all the parsers. + * rte_flow_item is using big endian, rte_flow_attr and + * rte_flow_action are using CPU order. + * Because the pattern is used to describe the packets, + * normally the packets should use network order. + */ +static int +cons_parse_ntuple_filter(const struct rte_flow_attr *attr, + const struct rte_flow_item pattern[], + const struct rte_flow_action actions[], + struct rte_eth_ntuple_filter *filter, + struct rte_flow_error *error) +{ + const struct rte_flow_item *item = NULL; + + if (hinic_check_filter_arg(attr, pattern, actions, error)) + return -rte_errno; + + if (hinic_check_ntuple_item_ele(item, pattern, filter, error)) + return -rte_errno; + + if (hinic_check_ntuple_act_ele(item, actions, filter, error)) + return -rte_errno; + + if (hinic_check_ntuple_attr_ele(attr, filter, error)) + return -rte_errno; + + return 0; +} + +static int +hinic_parse_ntuple_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_eth_ntuple_filter *filter, + struct rte_flow_error *error) +{ + int ret; + + ret = cons_parse_ntuple_filter(attr, pattern, actions, filter, error); + if (ret) + return ret; + + /* Hinic doesn't support tcp flags */ + if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG) { + memset(filter, 0, sizeof(struct rte_eth_ntuple_filter)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + NULL, "Not supported by ntuple filter"); + return -rte_errno; + } + + /* Hinic doesn't support many priorities */ + if (filter->priority < HINIC_MIN_N_TUPLE_PRIO || + filter->priority > HINIC_MAX_N_TUPLE_PRIO) { + memset(filter, 0, sizeof(struct rte_eth_ntuple_filter)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + NULL, "Priority not supported by ntuple filter"); + return -rte_errno; + } + + if (filter->queue >= dev->data->nb_rx_queues) + return -rte_errno; + + /* Fixed value for hinic */ + filter->flags = RTE_5TUPLE_FLAGS; + return 0; +} + +static int hinic_normal_item_check_ether(const struct rte_flow_item **ip_item, + const struct rte_flow_item pattern[], + struct rte_flow_error *error) +{ + const struct rte_flow_item *item; + + /* The first not void item can be MAC or IPv4 or TCP or UDP */ + item = next_no_void_pattern(pattern, NULL); + + if (item->type != RTE_FLOW_ITEM_TYPE_ETH && + item->type != RTE_FLOW_ITEM_TYPE_IPV4 && + item->type != RTE_FLOW_ITEM_TYPE_TCP && + item->type != RTE_FLOW_ITEM_TYPE_UDP) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, item, + "Not supported by fdir filter,support mac,ipv4,tcp,udp"); + return -rte_errno; + } + + /* Not supported last point for range */ + if (item->last) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_UNSPECIFIED, item, + "Not supported last point for range"); + return -rte_errno; + } + + /* Skip Ethernet */ + if (item->type == RTE_FLOW_ITEM_TYPE_ETH) { + /* All should be masked. */ + if (item->spec || item->mask) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by fdir filter,support mac"); + return -rte_errno; + } + /* Check if the next not void item is IPv4 */ + item = next_no_void_pattern(pattern, item); + if (item->type != RTE_FLOW_ITEM_TYPE_IPV4) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, item, + "Not supported by fdir filter,support mac,ipv4"); + return -rte_errno; + } + } + + *ip_item = item; + return 0; +} + +static int hinic_normal_item_check_ip(const struct rte_flow_item **in_out_item, + const struct rte_flow_item pattern[], + struct hinic_fdir_rule *rule, + struct rte_flow_error *error) +{ + const struct rte_flow_item_ipv4 *ipv4_spec; + const struct rte_flow_item_ipv4 *ipv4_mask; + const struct rte_flow_item *item = *in_out_item; + + /* Get the IPv4 info */ + if (item->type == RTE_FLOW_ITEM_TYPE_IPV4) { + /* Not supported last point for range */ + if (item->last) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_UNSPECIFIED, + item, "Not supported last point for range"); + return -rte_errno; + } + + if (!item->mask) { + memset(rule, 0, sizeof(struct hinic_fdir_rule)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Invalid fdir filter mask"); + return -rte_errno; + } + + ipv4_mask = (const struct rte_flow_item_ipv4 *)item->mask; + /* + * Only support src & dst addresses, + * others should be masked. + */ + if (ipv4_mask->hdr.version_ihl || + ipv4_mask->hdr.type_of_service || + ipv4_mask->hdr.total_length || + ipv4_mask->hdr.packet_id || + ipv4_mask->hdr.fragment_offset || + ipv4_mask->hdr.time_to_live || + ipv4_mask->hdr.next_proto_id || + ipv4_mask->hdr.hdr_checksum) { + rte_flow_error_set(error, + EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, item, + "Not supported by fdir filter, support src,dst ip"); + return -rte_errno; + } + + rule->mask.dst_ipv4_mask = ipv4_mask->hdr.dst_addr; + rule->mask.src_ipv4_mask = ipv4_mask->hdr.src_addr; + + if (item->spec) { + ipv4_spec = + (const struct rte_flow_item_ipv4 *)item->spec; + rule->hinic_fdir.dst_ip = ipv4_spec->hdr.dst_addr; + rule->hinic_fdir.src_ip = ipv4_spec->hdr.src_addr; + } + + /* + * Check if the next not void item is + * TCP or UDP or END. + */ + item = next_no_void_pattern(pattern, item); + if (item->type != RTE_FLOW_ITEM_TYPE_TCP && + item->type != RTE_FLOW_ITEM_TYPE_UDP && + item->type != RTE_FLOW_ITEM_TYPE_END) { + memset(rule, 0, sizeof(struct hinic_fdir_rule)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, item, + "Not supported by fdir filter, support tcp, udp, end"); + return -rte_errno; + } + } + + *in_out_item = item; + return 0; +} + +static int hinic_normal_item_check_l4(const struct rte_flow_item **in_out_item, + const struct rte_flow_item pattern[], + struct hinic_fdir_rule *rule, + struct rte_flow_error *error) +{ + const struct rte_flow_item_tcp *tcp_spec; + const struct rte_flow_item_tcp *tcp_mask; + const struct rte_flow_item_udp *udp_spec; + const struct rte_flow_item_udp *udp_mask; + const struct rte_flow_item *item = *in_out_item; + + if (item->type != RTE_FLOW_ITEM_TYPE_END) { + /* Not supported last point for range */ + if (item->last) { + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_UNSPECIFIED, + item, "Not supported last point for range"); + return -rte_errno; + } + + /* Get TCP/UDP info */ + if (item->type == RTE_FLOW_ITEM_TYPE_TCP) { + /* + * Only care about src & dst ports, + * others should be masked. + */ + if (!item->mask) { + memset(rule, 0, sizeof(struct hinic_fdir_rule)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, item, + "Not supported by fdir filter,support src,dst ports"); + return -rte_errno; + } + + tcp_mask = (const struct rte_flow_item_tcp *)item->mask; + if (tcp_mask->hdr.sent_seq || + tcp_mask->hdr.recv_ack || + tcp_mask->hdr.data_off || + tcp_mask->hdr.tcp_flags || + tcp_mask->hdr.rx_win || + tcp_mask->hdr.cksum || + tcp_mask->hdr.tcp_urp) { + memset(rule, 0, sizeof(struct hinic_fdir_rule)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by fdir filter,support tcp"); + return -rte_errno; + } + + rule->mask.src_port_mask = tcp_mask->hdr.src_port; + rule->mask.dst_port_mask = tcp_mask->hdr.dst_port; + + if (item->spec) { + tcp_spec = + (const struct rte_flow_item_tcp *) + item->spec; + rule->hinic_fdir.src_port = + tcp_spec->hdr.src_port; + rule->hinic_fdir.dst_port = + tcp_spec->hdr.dst_port; + } + + } else if (item->type == RTE_FLOW_ITEM_TYPE_UDP) { + /* + * Only care about src & dst ports, + * others should be masked. + */ + if (!item->mask) { + memset(rule, 0, sizeof(struct hinic_fdir_rule)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by fdir filter,support src,dst ports"); + return -rte_errno; + } + + udp_mask = (const struct rte_flow_item_udp *)item->mask; + if (udp_mask->hdr.dgram_len || + udp_mask->hdr.dgram_cksum) { + memset(rule, 0, sizeof(struct hinic_fdir_rule)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by fdir filter,support udp"); + return -rte_errno; + } + rule->mask.src_port_mask = udp_mask->hdr.src_port; + rule->mask.dst_port_mask = udp_mask->hdr.dst_port; + + if (item->spec) { + udp_spec = + (const struct rte_flow_item_udp *) + item->spec; + rule->hinic_fdir.src_port = + udp_spec->hdr.src_port; + rule->hinic_fdir.dst_port = + udp_spec->hdr.dst_port; + } + } else { + memset(rule, 0, sizeof(struct hinic_fdir_rule)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by fdir filter,support tcp/udp"); + return -rte_errno; + } + + /* Get next no void item */ + *in_out_item = next_no_void_pattern(pattern, item); + } + + return 0; +} + +static int hinic_normal_item_check_end(const struct rte_flow_item *item, + struct hinic_fdir_rule *rule, + struct rte_flow_error *error) +{ + /* Check if the next not void item is END */ + if (item->type != RTE_FLOW_ITEM_TYPE_END) { + memset(rule, 0, sizeof(struct hinic_fdir_rule)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ITEM, + item, "Not supported by fdir filter,support end"); + return -rte_errno; + } + + return 0; +} + +static int hinic_check_normal_item_ele(const struct rte_flow_item *item, + const struct rte_flow_item pattern[], + struct hinic_fdir_rule *rule, + struct rte_flow_error *error) +{ + if (hinic_normal_item_check_ether(&item, pattern, error) || + hinic_normal_item_check_ip(&item, pattern, rule, error) || + hinic_normal_item_check_l4(&item, pattern, rule, error) || + hinic_normal_item_check_end(item, rule, error)) + return -rte_errno; + + return 0; +} + +static int hinic_check_normal_attr_ele(const struct rte_flow_attr *attr, + struct hinic_fdir_rule *rule, + struct rte_flow_error *error) +{ + /* Must be input direction */ + if (!attr->ingress) { + memset(rule, 0, sizeof(struct hinic_fdir_rule)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR_INGRESS, + attr, "Only support ingress."); + return -rte_errno; + } + + /* Not supported */ + if (attr->egress) { + memset(rule, 0, sizeof(struct hinic_fdir_rule)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, + attr, "Not support egress."); + return -rte_errno; + } + + /* Not supported */ + if (attr->priority) { + memset(rule, 0, sizeof(struct hinic_fdir_rule)); + rte_flow_error_set(error, EINVAL, + RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY, + attr, "Not support priority."); + return -rte_errno; + } + + return 0; +} + +static int hinic_check_normal_act_ele(const struct rte_flow_item *item, + const struct rte_flow_action actions[], + struct hinic_fdir_rule *rule, + struct rte_flow_error *error) +{ + const struct rte_flow_action *act; + + /* Check if the first not void action is QUEUE */ + act = next_no_void_action(actions, NULL); + if (act->type != RTE_FLOW_ACTION_TYPE_QUEUE) { + memset(rule, 0, sizeof(struct hinic_fdir_rule)); + rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, + item, "Not supported action."); + return -rte_errno; + } + + rule->queue = ((const struct rte_flow_action_queue *)act->conf)->index; + + /* Check if the next not void item is END */ + act = next_no_void_action(actions, act); + if (act->type != RTE_FLOW_ACTION_TYPE_END) { + memset(rule, 0, sizeof(struct hinic_fdir_rule)); + rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, + act, "Not supported action."); + return -rte_errno; + } + + return 0; +} + +/** + * Parse the rule to see if it is a IP or MAC VLAN flow director rule. + * And get the flow director filter info BTW. + * UDP/TCP/SCTP PATTERN: + * The first not void item can be ETH or IPV4 or IPV6 + * The second not void item must be IPV4 or IPV6 if the first one is ETH. + * The next not void item could be UDP or TCP(optional) + * The next not void item must be END. + * ACTION: + * The first not void action should be QUEUE. + * The second not void optional action should be MARK, + * mark_id is a uint32_t number. + * The next not void action should be END. + * UDP/TCP pattern example: + * ITEM Spec Mask + * ETH NULL NULL + * IPV4 src_addr 1.2.3.6 0xFFFFFFFF + * dst_addr 1.2.3.5 0xFFFFFFFF + * UDP/TCP src_port 80 0xFFFF + * dst_port 80 0xFFFF + * END + * Other members in mask and spec should set to 0x00. + * Item->last should be NULL. + */ +static int +hinic_parse_fdir_filter_normal(const struct rte_flow_attr *attr, + const struct rte_flow_item pattern[], + const struct rte_flow_action actions[], + struct hinic_fdir_rule *rule, + struct rte_flow_error *error) +{ + const struct rte_flow_item *item = NULL; + + if (hinic_check_filter_arg(attr, pattern, actions, error)) + return -rte_errno; + + if (hinic_check_normal_item_ele(item, pattern, rule, error)) + return -rte_errno; + + if (hinic_check_normal_attr_ele(attr, rule, error)) + return -rte_errno; + + if (hinic_check_normal_act_ele(item, actions, rule, error)) + return -rte_errno; + + return 0; +} + +static int +hinic_parse_fdir_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 hinic_fdir_rule *rule, + struct rte_flow_error *error) +{ + int ret; + + ret = hinic_parse_fdir_filter_normal(attr, pattern, + actions, rule, error); + if (ret) + return ret; + + if (rule->queue >= dev->data->nb_rx_queues) + return -ENOTSUP; + + return ret; +} + +/** + * Check if the flow rule is supported by nic. + * It only checkes the format. Don't guarantee the rule can be programmed into + * the HW. Because there can be no enough room for the rule. + */ +static int hinic_flow_validate(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) +{ + struct rte_eth_ethertype_filter ethertype_filter; + struct rte_eth_ntuple_filter ntuple_filter; + struct hinic_fdir_rule fdir_rule; + int ret; + + memset(&ntuple_filter, 0, sizeof(struct rte_eth_ntuple_filter)); + ret = hinic_parse_ntuple_filter(dev, attr, pattern, + actions, &ntuple_filter, error); + if (!ret) + return 0; + + memset(ðertype_filter, 0, sizeof(struct rte_eth_ethertype_filter)); + ret = hinic_parse_ethertype_filter(dev, attr, pattern, + actions, ðertype_filter, error); + + if (!ret) + return 0; + + memset(&fdir_rule, 0, sizeof(struct hinic_fdir_rule)); + ret = hinic_parse_fdir_filter(dev, attr, pattern, + actions, &fdir_rule, error); + + return ret; +} + +const struct rte_flow_ops hinic_flow_ops = { + .validate = hinic_flow_validate, +}; diff --git a/drivers/net/hinic/meson.build b/drivers/net/hinic/meson.build index 87c8d16..bc7e246 100644 --- a/drivers/net/hinic/meson.build +++ b/drivers/net/hinic/meson.build @@ -8,6 +8,7 @@ sources = files( 'hinic_pmd_ethdev.c', 'hinic_pmd_rx.c', 'hinic_pmd_tx.c', + 'hinic_pmd_flow.c', ) includes += include_directories('base') -- 1.8.3.1