/* SPDX-License-Identifier: BSD-3-Clause * Copyright(c) 2010-2016 Intel Corporation */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "e1000_logs.h" #include "base/e1000_api.h" #include "e1000_ethdev.h" #define NEXT_ITEM_OF_PATTERN(item, pattern, index) \ do { \ item = (pattern) + (index); \ while (item->type == RTE_FLOW_ITEM_TYPE_VOID) { \ (index)++; \ item = (pattern) + (index); \ } \ } while (0) #define NEXT_ITEM_OF_ACTION(act, actions, index) \ do { \ act = (actions) + (index); \ while (act->type == RTE_FLOW_ACTION_TYPE_VOID) {\ (index)++; \ act = (actions) + (index); \ } \ } while (0) #define IGB_FLEX_RAW_NUM 12 /** * 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. */ /** * 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 or SCTP * 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. */ 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; const struct rte_flow_action *act; const struct rte_flow_item_ipv4 *ipv4_spec; const struct rte_flow_item_ipv4 *ipv4_mask; 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_sctp *sctp_spec; const struct rte_flow_item_sctp *sctp_mask; uint32_t index; 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; } /* parse pattern */ index = 0; /* the first not void item can be MAC or IPv4 */ NEXT_ITEM_OF_PATTERN(item, pattern, index); 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 */ index++; NEXT_ITEM_OF_PATTERN(item, pattern, index); 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; } } /* 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) { 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; /* check if the next not void item is TCP or UDP or SCTP */ index++; NEXT_ITEM_OF_PATTERN(item, pattern, index); if (item->type != RTE_FLOW_ITEM_TYPE_TCP && item->type != RTE_FLOW_ITEM_TYPE_UDP && item->type != RTE_FLOW_ITEM_TYPE_SCTP) { 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; } /* Not supported last point for range */ if (item->last) { memset(filter, 0, sizeof(struct rte_eth_ntuple_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, item, "Not supported last point for range"); return -rte_errno; } /* get the TCP/UDP/SCTP info */ if (item->type == RTE_FLOW_ITEM_TYPE_TCP) { if (item->spec && item->mask) { 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, 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; } 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, 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; } 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_UDP) { if (item->spec && item->mask) { udp_mask = (const struct rte_flow_item_udp *)item->mask; /** * Only support src & dst ports, * others should be masked. */ if (udp_mask->hdr.dgram_len || udp_mask->hdr.dgram_cksum) { 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; } filter->dst_port_mask = udp_mask->hdr.dst_port; filter->src_port_mask = udp_mask->hdr.src_port; udp_spec = (const struct rte_flow_item_udp *)item->spec; filter->dst_port = udp_spec->hdr.dst_port; filter->src_port = udp_spec->hdr.src_port; } } else { if (item->spec && item->mask) { sctp_mask = (const struct rte_flow_item_sctp *) item->mask; /** * Only support src & dst ports, * others should be masked. */ if (sctp_mask->hdr.tag || sctp_mask->hdr.cksum) { 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; } filter->dst_port_mask = sctp_mask->hdr.dst_port; filter->src_port_mask = sctp_mask->hdr.src_port; sctp_spec = (const struct rte_flow_item_sctp *) item->spec; filter->dst_port = sctp_spec->hdr.dst_port; filter->src_port = sctp_spec->hdr.src_port; } } /* check if the next not void item is END */ index++; NEXT_ITEM_OF_PATTERN(item, pattern, index); 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; } /* parse action */ index = 0; /** * n-tuple only supports forwarding, * check if the first not void action is QUEUE. */ NEXT_ITEM_OF_ACTION(act, actions, index); 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, item, "Not supported action."); return -rte_errno; } filter->queue = ((const struct rte_flow_action_queue *)act->conf)->index; /* check if the next not void item is END */ index++; NEXT_ITEM_OF_ACTION(act, actions, index); 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, "Not supported action."); return -rte_errno; } /* parse attr */ /* 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; } /* not supported */ 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; } filter->priority = (uint16_t)attr->priority; return 0; } /* a specific function for igb because the flags is specific */ static int igb_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) { struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private); int ret; MAC_TYPE_FILTER_SUP(hw->mac.type); ret = cons_parse_ntuple_filter(attr, pattern, actions, filter, error); if (ret) return ret; /* Igb doesn't support many priorities. */ if (filter->priority > E1000_2TUPLE_MAX_PRI) { 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 (hw->mac.type == e1000_82576) { if (filter->queue >= IGB_MAX_RX_QUEUE_NUM_82576) { memset(filter, 0, sizeof(struct rte_eth_ntuple_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, NULL, "queue number not " "supported by ntuple filter"); return -rte_errno; } filter->flags |= RTE_5TUPLE_FLAGS; } else { if (filter->src_ip_mask || filter->dst_ip_mask || filter->src_port_mask) { memset(filter, 0, sizeof(struct rte_eth_ntuple_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, NULL, "only two tuple are " "supported by this filter"); return -rte_errno; } if (filter->queue >= IGB_MAX_RX_QUEUE_NUM) { memset(filter, 0, sizeof(struct rte_eth_ntuple_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, NULL, "queue number not " "supported by ntuple filter"); return -rte_errno; } filter->flags |= RTE_2TUPLE_FLAGS; } 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; const struct rte_flow_item_eth *eth_spec; const struct rte_flow_item_eth *eth_mask; const struct rte_flow_action_queue *act_q; uint32_t index; 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; } /* Parse pattern */ index = 0; /* The first non-void item should be MAC. */ NEXT_ITEM_OF_PATTERN(item, pattern, index); 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; } 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 (!is_zero_ether_addr(ð_mask->src) || (!is_zero_ether_addr(ð_mask->dst) && !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 (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. */ index++; NEXT_ITEM_OF_PATTERN(item, pattern, index); 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; } /* Parse action */ index = 0; /* Check if the first non-void action is QUEUE or DROP. */ NEXT_ITEM_OF_ACTION(act, actions, index); 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 */ index++; NEXT_ITEM_OF_ACTION(act, actions, index); 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; } /* Parse attr */ /* 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; } /* Not supported */ if (attr->egress) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, attr, "Not support egress."); return -rte_errno; } /* Not supported */ if (attr->priority) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY, attr, "Not support priority."); return -rte_errno; } /* Not supported */ 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 igb_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) { struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private); int ret; MAC_TYPE_FILTER_SUP(hw->mac.type); ret = cons_parse_ethertype_filter(attr, pattern, actions, filter, error); if (ret) return ret; if (hw->mac.type == e1000_82576) { if (filter->queue >= IGB_MAX_RX_QUEUE_NUM_82576) { memset(filter, 0, sizeof( struct rte_eth_ethertype_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, NULL, "queue number not supported " "by ethertype filter"); return -rte_errno; } } else { if (filter->queue >= IGB_MAX_RX_QUEUE_NUM) { memset(filter, 0, sizeof( struct rte_eth_ethertype_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, NULL, "queue number not supported " "by ethertype filter"); return -rte_errno; } } if (filter->ether_type == ETHER_TYPE_IPv4 || filter->ether_type == 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_MAC) { memset(filter, 0, sizeof(struct rte_eth_ethertype_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, NULL, "mac compare is unsupported"); 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; } return 0; } /** * Parse the rule to see if it is a TCP SYN rule. * And get the TCP SYN filter info BTW. * pattern: * The first not void item must be ETH. * The second not void item must be IPV4 or IPV6. * The third not void item must be 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/IPV6 NULL NULL * TCP tcp_flags 0x02 0xFF * END * other members in mask and spec should set to 0x00. * item->last should be NULL. */ static int cons_parse_syn_filter(const struct rte_flow_attr *attr, const struct rte_flow_item pattern[], const struct rte_flow_action actions[], struct rte_eth_syn_filter *filter, struct rte_flow_error *error) { const struct rte_flow_item *item; const struct rte_flow_action *act; const struct rte_flow_item_tcp *tcp_spec; const struct rte_flow_item_tcp *tcp_mask; const struct rte_flow_action_queue *act_q; uint32_t index; 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; } /* parse pattern */ index = 0; /* the first not void item should be MAC or IPv4 or IPv6 or TCP */ NEXT_ITEM_OF_PATTERN(item, pattern, index); if (item->type != RTE_FLOW_ITEM_TYPE_ETH && item->type != RTE_FLOW_ITEM_TYPE_IPV4 && item->type != RTE_FLOW_ITEM_TYPE_IPV6 && item->type != RTE_FLOW_ITEM_TYPE_TCP) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, item, "Not supported by syn 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; } /* Skip Ethernet */ if (item->type == RTE_FLOW_ITEM_TYPE_ETH) { /* if the 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, "Invalid SYN address mask"); return -rte_errno; } /* check if the next not void item is IPv4 or IPv6 */ index++; NEXT_ITEM_OF_PATTERN(item, pattern, index); if (item->type != RTE_FLOW_ITEM_TYPE_IPV4 && item->type != RTE_FLOW_ITEM_TYPE_IPV6) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, item, "Not supported by syn filter"); return -rte_errno; } } /* Skip IP */ if (item->type == RTE_FLOW_ITEM_TYPE_IPV4 || item->type == RTE_FLOW_ITEM_TYPE_IPV6) { /* if the item is IP, the content should be NULL */ if (item->spec || item->mask) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, item, "Invalid SYN mask"); return -rte_errno; } /* check if the next not void item is TCP */ index++; NEXT_ITEM_OF_PATTERN(item, pattern, index); if (item->type != RTE_FLOW_ITEM_TYPE_TCP) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, item, "Not supported by syn filter"); return -rte_errno; } } /* Get the TCP info. Only support SYN. */ if (!item->spec || !item->mask) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, item, "Invalid SYN 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; } tcp_spec = (const struct rte_flow_item_tcp *)item->spec; tcp_mask = (const struct rte_flow_item_tcp *)item->mask; if (!(tcp_spec->hdr.tcp_flags & TCP_SYN_FLAG) || tcp_mask->hdr.src_port || tcp_mask->hdr.dst_port || tcp_mask->hdr.sent_seq || tcp_mask->hdr.recv_ack || tcp_mask->hdr.data_off || tcp_mask->hdr.tcp_flags != TCP_SYN_FLAG || tcp_mask->hdr.rx_win || tcp_mask->hdr.cksum || tcp_mask->hdr.tcp_urp) { memset(filter, 0, sizeof(struct rte_eth_syn_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, item, "Not supported by syn filter"); return -rte_errno; } /* check if the next not void item is END */ index++; NEXT_ITEM_OF_PATTERN(item, pattern, index); if (item->type != RTE_FLOW_ITEM_TYPE_END) { memset(filter, 0, sizeof(struct rte_eth_syn_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, item, "Not supported by syn filter"); return -rte_errno; } /* parse action */ index = 0; /* check if the first not void action is QUEUE. */ NEXT_ITEM_OF_ACTION(act, actions, index); if (act->type != RTE_FLOW_ACTION_TYPE_QUEUE) { memset(filter, 0, sizeof(struct rte_eth_syn_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, act, "Not supported action."); return -rte_errno; } act_q = (const struct rte_flow_action_queue *)act->conf; filter->queue = act_q->index; /* check if the next not void item is END */ index++; NEXT_ITEM_OF_ACTION(act, actions, index); if (act->type != RTE_FLOW_ACTION_TYPE_END) { memset(filter, 0, sizeof(struct rte_eth_syn_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, act, "Not supported action."); return -rte_errno; } /* parse attr */ /* must be input direction */ if (!attr->ingress) { memset(filter, 0, sizeof(struct rte_eth_syn_filter)); 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(filter, 0, sizeof(struct rte_eth_syn_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, attr, "Not support egress."); return -rte_errno; } /* Support 2 priorities, the lowest or highest. */ if (!attr->priority) { filter->hig_pri = 0; } else if (attr->priority == (uint32_t)~0U) { filter->hig_pri = 1; } else { memset(filter, 0, sizeof(struct rte_eth_syn_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY, attr, "Not support priority."); return -rte_errno; } return 0; } static int igb_parse_syn_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_syn_filter *filter, struct rte_flow_error *error) { struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private); int ret; MAC_TYPE_FILTER_SUP(hw->mac.type); ret = cons_parse_syn_filter(attr, pattern, actions, filter, error); if (hw->mac.type == e1000_82576) { if (filter->queue >= IGB_MAX_RX_QUEUE_NUM_82576) { memset(filter, 0, sizeof(struct rte_eth_syn_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, NULL, "queue number not " "supported by syn filter"); return -rte_errno; } } else { if (filter->queue >= IGB_MAX_RX_QUEUE_NUM) { memset(filter, 0, sizeof(struct rte_eth_syn_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, NULL, "queue number not " "supported by syn filter"); return -rte_errno; } } if (ret) return ret; return 0; } /** * Parse the rule to see if it is a flex byte rule. * And get the flex byte filter info BTW. * pattern: * The first not void item must be RAW. * The second not void item can be RAW or END. * The third not void item can be RAW or END. * The last 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 * RAW relative 0 0x1 * offset 0 0xFFFFFFFF * pattern {0x08, 0x06} {0xFF, 0xFF} * RAW relative 1 0x1 * offset 100 0xFFFFFFFF * pattern {0x11, 0x22, 0x33} {0xFF, 0xFF, 0xFF} * END * other members in mask and spec should set to 0x00. * item->last should be NULL. */ static int cons_parse_flex_filter(const struct rte_flow_attr *attr, const struct rte_flow_item pattern[], const struct rte_flow_action actions[], struct rte_eth_flex_filter *filter, struct rte_flow_error *error) { const struct rte_flow_item *item; const struct rte_flow_action *act; const struct rte_flow_item_raw *raw_spec; const struct rte_flow_item_raw *raw_mask; const struct rte_flow_action_queue *act_q; uint32_t index, i, offset, total_offset; uint32_t max_offset = 0; int32_t shift, j, raw_index = 0; int32_t relative[IGB_FLEX_RAW_NUM] = {0}; int32_t raw_offset[IGB_FLEX_RAW_NUM] = {0}; 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; } /* parse pattern */ index = 0; item_loop: /* the first not void item should be RAW */ NEXT_ITEM_OF_PATTERN(item, pattern, index); if (item->type != RTE_FLOW_ITEM_TYPE_RAW) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, item, "Not supported by flex 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; } raw_spec = (const struct rte_flow_item_raw *)item->spec; raw_mask = (const struct rte_flow_item_raw *)item->mask; if (!raw_mask->length || !raw_mask->relative) { memset(filter, 0, sizeof(struct rte_eth_flex_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, item, "Not supported by flex filter"); return -rte_errno; } if (raw_mask->offset) offset = raw_spec->offset; else offset = 0; for (j = 0; j < raw_spec->length; j++) { if (raw_mask->pattern[j] != 0xFF) { memset(filter, 0, sizeof(struct rte_eth_flex_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, item, "Not supported by flex filter"); return -rte_errno; } } total_offset = 0; if (raw_spec->relative) { for (j = raw_index; j > 0; j--) { total_offset += raw_offset[j - 1]; if (!relative[j - 1]) break; } if (total_offset + raw_spec->length + offset > max_offset) max_offset = total_offset + raw_spec->length + offset; } else { if (raw_spec->length + offset > max_offset) max_offset = raw_spec->length + offset; } if ((raw_spec->length + offset + total_offset) > RTE_FLEX_FILTER_MAXLEN) { memset(filter, 0, sizeof(struct rte_eth_flex_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, item, "Not supported by flex filter"); return -rte_errno; } if (raw_spec->relative == 0) { for (j = 0; j < raw_spec->length; j++) filter->bytes[offset + j] = raw_spec->pattern[j]; j = offset / CHAR_BIT; shift = offset % CHAR_BIT; } else { for (j = 0; j < raw_spec->length; j++) filter->bytes[total_offset + offset + j] = raw_spec->pattern[j]; j = (total_offset + offset) / CHAR_BIT; shift = (total_offset + offset) % CHAR_BIT; } i = 0; for ( ; shift < CHAR_BIT; shift++) { filter->mask[j] |= (0x80 >> shift); i++; if (i == raw_spec->length) break; if (shift == (CHAR_BIT - 1)) { j++; shift = -1; } } relative[raw_index] = raw_spec->relative; raw_offset[raw_index] = offset + raw_spec->length; raw_index++; /* check if the next not void item is RAW */ index++; NEXT_ITEM_OF_PATTERN(item, pattern, index); if (item->type != RTE_FLOW_ITEM_TYPE_RAW && item->type != RTE_FLOW_ITEM_TYPE_END) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, item, "Not supported by flex filter"); return -rte_errno; } /* go back to parser */ if (item->type == RTE_FLOW_ITEM_TYPE_RAW) { /* if the item is RAW, the content should be parse */ goto item_loop; } filter->len = RTE_ALIGN(max_offset, 8); /* parse action */ index = 0; /* check if the first not void action is QUEUE. */ NEXT_ITEM_OF_ACTION(act, actions, index); if (act->type != RTE_FLOW_ACTION_TYPE_QUEUE) { memset(filter, 0, sizeof(struct rte_eth_flex_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, act, "Not supported action."); return -rte_errno; } act_q = (const struct rte_flow_action_queue *)act->conf; filter->queue = act_q->index; /* check if the next not void item is END */ index++; NEXT_ITEM_OF_ACTION(act, actions, index); if (act->type != RTE_FLOW_ACTION_TYPE_END) { memset(filter, 0, sizeof(struct rte_eth_flex_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, act, "Not supported action."); return -rte_errno; } /* parse attr */ /* must be input direction */ if (!attr->ingress) { memset(filter, 0, sizeof(struct rte_eth_flex_filter)); 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(filter, 0, sizeof(struct rte_eth_flex_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_flex_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY, attr, "Error priority."); return -rte_errno; } filter->priority = (uint16_t)attr->priority; return 0; } static int igb_parse_flex_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_flex_filter *filter, struct rte_flow_error *error) { struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private); int ret; MAC_TYPE_FILTER_SUP_EXT(hw->mac.type); ret = cons_parse_flex_filter(attr, pattern, actions, filter, error); if (filter->queue >= IGB_MAX_RX_QUEUE_NUM) { memset(filter, 0, sizeof(struct rte_eth_flex_filter)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ITEM, NULL, "queue number not supported by flex filter"); return -rte_errno; } if (filter->len == 0 || filter->len > E1000_MAX_FLEX_FILTER_LEN || filter->len % sizeof(uint64_t) != 0) { PMD_DRV_LOG(ERR, "filter's length is out of range"); return -EINVAL; } if (filter->priority > E1000_MAX_FLEX_FILTER_PRI) { PMD_DRV_LOG(ERR, "filter's priority is out of range"); return -EINVAL; } if (ret) return ret; return 0; } static int igb_parse_rss_filter(struct rte_eth_dev *dev, const struct rte_flow_attr *attr, const struct rte_flow_action actions[], struct igb_rte_flow_rss_conf *rss_conf, struct rte_flow_error *error) { const struct rte_flow_action *act; const struct rte_flow_action_rss *rss; uint16_t n, index; /** * rss only supports forwarding, * check if the first not void action is RSS. */ index = 0; NEXT_ITEM_OF_ACTION(act, actions, index); if (act->type != RTE_FLOW_ACTION_TYPE_RSS) { memset(rss_conf, 0, sizeof(struct igb_rte_flow_rss_conf)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, act, "Not supported action."); return -rte_errno; } rss = (const struct rte_flow_action_rss *)act->conf; if (!rss || !rss->num) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, act, "no valid queues"); return -rte_errno; } for (n = 0; n < rss->num; n++) { if (rss->queue[n] >= dev->data->nb_rx_queues) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, act, "queue id > max number of queues"); return -rte_errno; } } if (rss->rss_conf) rss_conf->rss_conf = *rss->rss_conf; else rss_conf->rss_conf.rss_hf = IGB_RSS_OFFLOAD_ALL; for (n = 0; n < rss->num; ++n) rss_conf->queue[n] = rss->queue[n]; rss_conf->num = rss->num; /* check if the next not void item is END */ index++; NEXT_ITEM_OF_ACTION(act, actions, index); if (act->type != RTE_FLOW_ACTION_TYPE_END) { memset(rss_conf, 0, sizeof(struct rte_eth_rss_conf)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ACTION, act, "Not supported action."); return -rte_errno; } /* parse attr */ /* must be input direction */ if (!attr->ingress) { memset(rss_conf, 0, sizeof(struct igb_rte_flow_rss_conf)); 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(rss_conf, 0, sizeof(struct igb_rte_flow_rss_conf)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ATTR_EGRESS, attr, "Not support egress."); return -rte_errno; } if (attr->priority > 0xFFFF) { memset(rss_conf, 0, sizeof(struct igb_rte_flow_rss_conf)); rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY, attr, "Error priority."); return -rte_errno; } return 0; } /** * Create a flow rule. * Theorically one rule can match more than one filters. * We will let it use the filter which it hitt first. * So, the sequence matters. */ static struct rte_flow * igb_flow_create(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) { int ret; struct rte_eth_ntuple_filter ntuple_filter; struct rte_eth_ethertype_filter ethertype_filter; struct rte_eth_syn_filter syn_filter; struct rte_eth_flex_filter flex_filter; struct igb_rte_flow_rss_conf rss_conf; struct rte_flow *flow = NULL; struct igb_ntuple_filter_ele *ntuple_filter_ptr; struct igb_ethertype_filter_ele *ethertype_filter_ptr; struct igb_eth_syn_filter_ele *syn_filter_ptr; struct igb_flex_filter_ele *flex_filter_ptr; struct igb_rss_conf_ele *rss_filter_ptr; struct igb_flow_mem *igb_flow_mem_ptr; flow = rte_zmalloc("igb_rte_flow", sizeof(struct rte_flow), 0); if (!flow) { PMD_DRV_LOG(ERR, "failed to allocate memory"); return (struct rte_flow *)flow; } igb_flow_mem_ptr = rte_zmalloc("igb_flow_mem", sizeof(struct igb_flow_mem), 0); if (!igb_flow_mem_ptr) { PMD_DRV_LOG(ERR, "failed to allocate memory"); rte_free(flow); return NULL; } igb_flow_mem_ptr->flow = flow; igb_flow_mem_ptr->dev = dev; TAILQ_INSERT_TAIL(&igb_flow_list, igb_flow_mem_ptr, entries); memset(&ntuple_filter, 0, sizeof(struct rte_eth_ntuple_filter)); ret = igb_parse_ntuple_filter(dev, attr, pattern, actions, &ntuple_filter, error); if (!ret) { ret = igb_add_del_ntuple_filter(dev, &ntuple_filter, TRUE); if (!ret) { ntuple_filter_ptr = rte_zmalloc("igb_ntuple_filter", sizeof(struct igb_ntuple_filter_ele), 0); if (!ntuple_filter_ptr) { PMD_DRV_LOG(ERR, "failed to allocate memory"); goto out; } rte_memcpy(&ntuple_filter_ptr->filter_info, &ntuple_filter, sizeof(struct rte_eth_ntuple_filter)); TAILQ_INSERT_TAIL(&igb_filter_ntuple_list, ntuple_filter_ptr, entries); flow->rule = ntuple_filter_ptr; flow->filter_type = RTE_ETH_FILTER_NTUPLE; return flow; } goto out; } memset(ðertype_filter, 0, sizeof(struct rte_eth_ethertype_filter)); ret = igb_parse_ethertype_filter(dev, attr, pattern, actions, ðertype_filter, error); if (!ret) { ret = igb_add_del_ethertype_filter(dev, ðertype_filter, TRUE); if (!ret) { ethertype_filter_ptr = rte_zmalloc( "igb_ethertype_filter", sizeof(struct igb_ethertype_filter_ele), 0); if (!ethertype_filter_ptr) { PMD_DRV_LOG(ERR, "failed to allocate memory"); goto out; } rte_memcpy(ðertype_filter_ptr->filter_info, ðertype_filter, sizeof(struct rte_eth_ethertype_filter)); TAILQ_INSERT_TAIL(&igb_filter_ethertype_list, ethertype_filter_ptr, entries); flow->rule = ethertype_filter_ptr; flow->filter_type = RTE_ETH_FILTER_ETHERTYPE; return flow; } goto out; } memset(&syn_filter, 0, sizeof(struct rte_eth_syn_filter)); ret = igb_parse_syn_filter(dev, attr, pattern, actions, &syn_filter, error); if (!ret) { ret = eth_igb_syn_filter_set(dev, &syn_filter, TRUE); if (!ret) { syn_filter_ptr = rte_zmalloc("igb_syn_filter", sizeof(struct igb_eth_syn_filter_ele), 0); if (!syn_filter_ptr) { PMD_DRV_LOG(ERR, "failed to allocate memory"); goto out; } rte_memcpy(&syn_filter_ptr->filter_info, &syn_filter, sizeof(struct rte_eth_syn_filter)); TAILQ_INSERT_TAIL(&igb_filter_syn_list, syn_filter_ptr, entries); flow->rule = syn_filter_ptr; flow->filter_type = RTE_ETH_FILTER_SYN; return flow; } goto out; } memset(&flex_filter, 0, sizeof(struct rte_eth_flex_filter)); ret = igb_parse_flex_filter(dev, attr, pattern, actions, &flex_filter, error); if (!ret) { ret = eth_igb_add_del_flex_filter(dev, &flex_filter, TRUE); if (!ret) { flex_filter_ptr = rte_zmalloc("igb_flex_filter", sizeof(struct igb_flex_filter_ele), 0); if (!flex_filter_ptr) { PMD_DRV_LOG(ERR, "failed to allocate memory"); goto out; } rte_memcpy(&flex_filter_ptr->filter_info, &flex_filter, sizeof(struct rte_eth_flex_filter)); TAILQ_INSERT_TAIL(&igb_filter_flex_list, flex_filter_ptr, entries); flow->rule = flex_filter_ptr; flow->filter_type = RTE_ETH_FILTER_FLEXIBLE; return flow; } } memset(&rss_conf, 0, sizeof(struct igb_rte_flow_rss_conf)); ret = igb_parse_rss_filter(dev, attr, actions, &rss_conf, error); if (!ret) { ret = igb_config_rss_filter(dev, &rss_conf, TRUE); if (!ret) { rss_filter_ptr = rte_zmalloc("igb_rss_filter", sizeof(struct igb_rss_conf_ele), 0); if (!rss_filter_ptr) { PMD_DRV_LOG(ERR, "failed to allocate memory"); goto out; } rte_memcpy(&rss_filter_ptr->filter_info, &rss_conf, sizeof(struct igb_rte_flow_rss_conf)); TAILQ_INSERT_TAIL(&igb_filter_rss_list, rss_filter_ptr, entries); flow->rule = rss_filter_ptr; flow->filter_type = RTE_ETH_FILTER_HASH; return flow; } } out: TAILQ_REMOVE(&igb_flow_list, igb_flow_mem_ptr, entries); rte_flow_error_set(error, -ret, RTE_FLOW_ERROR_TYPE_HANDLE, NULL, "Failed to create flow."); rte_free(igb_flow_mem_ptr); rte_free(flow); return NULL; } /** * Check if the flow rule is supported by igb. * 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 igb_flow_validate(__rte_unused 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_ntuple_filter ntuple_filter; struct rte_eth_ethertype_filter ethertype_filter; struct rte_eth_syn_filter syn_filter; struct rte_eth_flex_filter flex_filter; struct igb_rte_flow_rss_conf rss_conf; int ret; memset(&ntuple_filter, 0, sizeof(struct rte_eth_ntuple_filter)); ret = igb_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 = igb_parse_ethertype_filter(dev, attr, pattern, actions, ðertype_filter, error); if (!ret) return 0; memset(&syn_filter, 0, sizeof(struct rte_eth_syn_filter)); ret = igb_parse_syn_filter(dev, attr, pattern, actions, &syn_filter, error); if (!ret) return 0; memset(&flex_filter, 0, sizeof(struct rte_eth_flex_filter)); ret = igb_parse_flex_filter(dev, attr, pattern, actions, &flex_filter, error); if (!ret) return 0; memset(&rss_conf, 0, sizeof(struct igb_rte_flow_rss_conf)); ret = igb_parse_rss_filter(dev, attr, actions, &rss_conf, error); return ret; } /* Destroy a flow rule on igb. */ static int igb_flow_destroy(struct rte_eth_dev *dev, struct rte_flow *flow, struct rte_flow_error *error) { int ret; struct rte_flow *pmd_flow = flow; enum rte_filter_type filter_type = pmd_flow->filter_type; struct igb_ntuple_filter_ele *ntuple_filter_ptr; struct igb_ethertype_filter_ele *ethertype_filter_ptr; struct igb_eth_syn_filter_ele *syn_filter_ptr; struct igb_flex_filter_ele *flex_filter_ptr; struct igb_flow_mem *igb_flow_mem_ptr; struct igb_rss_conf_ele *rss_filter_ptr; switch (filter_type) { case RTE_ETH_FILTER_NTUPLE: ntuple_filter_ptr = (struct igb_ntuple_filter_ele *) pmd_flow->rule; ret = igb_add_del_ntuple_filter(dev, &ntuple_filter_ptr->filter_info, FALSE); if (!ret) { TAILQ_REMOVE(&igb_filter_ntuple_list, ntuple_filter_ptr, entries); rte_free(ntuple_filter_ptr); } break; case RTE_ETH_FILTER_ETHERTYPE: ethertype_filter_ptr = (struct igb_ethertype_filter_ele *) pmd_flow->rule; ret = igb_add_del_ethertype_filter(dev, ðertype_filter_ptr->filter_info, FALSE); if (!ret) { TAILQ_REMOVE(&igb_filter_ethertype_list, ethertype_filter_ptr, entries); rte_free(ethertype_filter_ptr); } break; case RTE_ETH_FILTER_SYN: syn_filter_ptr = (struct igb_eth_syn_filter_ele *) pmd_flow->rule; ret = eth_igb_syn_filter_set(dev, &syn_filter_ptr->filter_info, FALSE); if (!ret) { TAILQ_REMOVE(&igb_filter_syn_list, syn_filter_ptr, entries); rte_free(syn_filter_ptr); } break; case RTE_ETH_FILTER_FLEXIBLE: flex_filter_ptr = (struct igb_flex_filter_ele *) pmd_flow->rule; ret = eth_igb_add_del_flex_filter(dev, &flex_filter_ptr->filter_info, FALSE); if (!ret) { TAILQ_REMOVE(&igb_filter_flex_list, flex_filter_ptr, entries); rte_free(flex_filter_ptr); } break; case RTE_ETH_FILTER_HASH: rss_filter_ptr = (struct igb_rss_conf_ele *) pmd_flow->rule; ret = igb_config_rss_filter(dev, &rss_filter_ptr->filter_info, FALSE); if (!ret) { TAILQ_REMOVE(&igb_filter_rss_list, rss_filter_ptr, entries); rte_free(rss_filter_ptr); } break; default: PMD_DRV_LOG(WARNING, "Filter type (%d) not supported", filter_type); ret = -EINVAL; break; } if (ret) { rte_flow_error_set(error, EINVAL, RTE_FLOW_ERROR_TYPE_HANDLE, NULL, "Failed to destroy flow"); return ret; } TAILQ_FOREACH(igb_flow_mem_ptr, &igb_flow_list, entries) { if (igb_flow_mem_ptr->flow == pmd_flow) { TAILQ_REMOVE(&igb_flow_list, igb_flow_mem_ptr, entries); rte_free(igb_flow_mem_ptr); } } rte_free(flow); return ret; } /* remove all the n-tuple filters */ static void igb_clear_all_ntuple_filter(struct rte_eth_dev *dev) { struct e1000_filter_info *filter_info = E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private); struct e1000_5tuple_filter *p_5tuple; struct e1000_2tuple_filter *p_2tuple; while ((p_5tuple = TAILQ_FIRST(&filter_info->fivetuple_list))) igb_delete_5tuple_filter_82576(dev, p_5tuple); while ((p_2tuple = TAILQ_FIRST(&filter_info->twotuple_list))) igb_delete_2tuple_filter(dev, p_2tuple); } /* remove all the ether type filters */ static void igb_clear_all_ethertype_filter(struct rte_eth_dev *dev) { struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private); struct e1000_filter_info *filter_info = E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private); int i; for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) { if (filter_info->ethertype_mask & (1 << i)) { (void)igb_ethertype_filter_remove(filter_info, (uint8_t)i); E1000_WRITE_REG(hw, E1000_ETQF(i), 0); E1000_WRITE_FLUSH(hw); } } } /* remove the SYN filter */ static void igb_clear_syn_filter(struct rte_eth_dev *dev) { struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private); struct e1000_filter_info *filter_info = E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private); if (filter_info->syn_info & E1000_SYN_FILTER_ENABLE) { filter_info->syn_info = 0; E1000_WRITE_REG(hw, E1000_SYNQF(0), 0); E1000_WRITE_FLUSH(hw); } } /* remove all the flex filters */ static void igb_clear_all_flex_filter(struct rte_eth_dev *dev) { struct e1000_filter_info *filter_info = E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private); struct e1000_flex_filter *flex_filter; while ((flex_filter = TAILQ_FIRST(&filter_info->flex_list))) igb_remove_flex_filter(dev, flex_filter); } /* remove the rss filter */ static void igb_clear_rss_filter(struct rte_eth_dev *dev) { struct e1000_filter_info *filter = E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private); if (filter->rss_info.num) igb_config_rss_filter(dev, &filter->rss_info, FALSE); } void igb_filterlist_flush(struct rte_eth_dev *dev) { struct igb_ntuple_filter_ele *ntuple_filter_ptr; struct igb_ethertype_filter_ele *ethertype_filter_ptr; struct igb_eth_syn_filter_ele *syn_filter_ptr; struct igb_flex_filter_ele *flex_filter_ptr; struct igb_rss_conf_ele *rss_filter_ptr; struct igb_flow_mem *igb_flow_mem_ptr; enum rte_filter_type filter_type; struct rte_flow *pmd_flow; TAILQ_FOREACH(igb_flow_mem_ptr, &igb_flow_list, entries) { if (igb_flow_mem_ptr->dev == dev) { pmd_flow = igb_flow_mem_ptr->flow; filter_type = pmd_flow->filter_type; switch (filter_type) { case RTE_ETH_FILTER_NTUPLE: ntuple_filter_ptr = (struct igb_ntuple_filter_ele *) pmd_flow->rule; TAILQ_REMOVE(&igb_filter_ntuple_list, ntuple_filter_ptr, entries); rte_free(ntuple_filter_ptr); break; case RTE_ETH_FILTER_ETHERTYPE: ethertype_filter_ptr = (struct igb_ethertype_filter_ele *) pmd_flow->rule; TAILQ_REMOVE(&igb_filter_ethertype_list, ethertype_filter_ptr, entries); rte_free(ethertype_filter_ptr); break; case RTE_ETH_FILTER_SYN: syn_filter_ptr = (struct igb_eth_syn_filter_ele *) pmd_flow->rule; TAILQ_REMOVE(&igb_filter_syn_list, syn_filter_ptr, entries); rte_free(syn_filter_ptr); break; case RTE_ETH_FILTER_FLEXIBLE: flex_filter_ptr = (struct igb_flex_filter_ele *) pmd_flow->rule; TAILQ_REMOVE(&igb_filter_flex_list, flex_filter_ptr, entries); rte_free(flex_filter_ptr); break; case RTE_ETH_FILTER_HASH: rss_filter_ptr = (struct igb_rss_conf_ele *) pmd_flow->rule; TAILQ_REMOVE(&igb_filter_rss_list, rss_filter_ptr, entries); rte_free(rss_filter_ptr); break; default: PMD_DRV_LOG(WARNING, "Filter type" "(%d) not supported", filter_type); break; } TAILQ_REMOVE(&igb_flow_list, igb_flow_mem_ptr, entries); rte_free(igb_flow_mem_ptr->flow); rte_free(igb_flow_mem_ptr); } } } /* Destroy all flow rules associated with a port on igb. */ static int igb_flow_flush(struct rte_eth_dev *dev, __rte_unused struct rte_flow_error *error) { igb_clear_all_ntuple_filter(dev); igb_clear_all_ethertype_filter(dev); igb_clear_syn_filter(dev); igb_clear_all_flex_filter(dev); igb_clear_rss_filter(dev); igb_filterlist_flush(dev); return 0; } const struct rte_flow_ops igb_flow_ops = { .validate = igb_flow_validate, .create = igb_flow_create, .destroy = igb_flow_destroy, .flush = igb_flow_flush, };