diff options
Diffstat (limited to 'common/VIL/acl/lib_acl.c')
| -rw-r--r-- | common/VIL/acl/lib_acl.c | 368 |
1 files changed, 0 insertions, 368 deletions
diff --git a/common/VIL/acl/lib_acl.c b/common/VIL/acl/lib_acl.c index 279727ef..9adb5a2f 100644 --- a/common/VIL/acl/lib_acl.c +++ b/common/VIL/acl/lib_acl.c @@ -417,376 +417,8 @@ int lib_acl_parse_config(struct lib_acl *plib_acl, /* Parameter not processed in this parse function */ return 1; } -/** - * Main packet processing function. - * 64 packet bit mask are used to identify which packets to forward. - * Performs the following: - * - Burst lookup packets in the IPv4 ACL Rule Table. - * - Burst lookup packets in the IPv6 ACL Rule Table. - * - Lookup Action Table, perform actions. - * - Burst lookup Connection Tracking, if enabled. - * - Lookup MAC address. - * - Set bit mask. - * - Packets with bit mask set are forwarded - * - * @param p - * A pointer to the pipeline. - * @param pkts - * A pointer to a burst of packets. - * @param n_pkts - * Number of packets to process. - * @param arg - * A pointer to pipeline specific data. - * - * @return - * 0 on success, negative on error. - */ - uint64_t -lib_acl_pkt_work_key(struct lib_acl *plib_acl, - struct rte_mbuf **pkts, uint64_t pkts_mask, - uint64_t *pkts_drop_without_rule, - void *plib_acl_rule_table_ipv4_active, - void *plib_acl_rule_table_ipv6_active, - struct pipeline_action_key *action_array_active, - struct action_counter_block (*p_action_counter_table)[action_array_max], - uint64_t *conntrack_mask, - uint64_t *connexist_mask, - int lib_acl_ipv4_enabled, int lib_acl_ipv6_enabled) -{ - - uint64_t lookup_hit_mask = 0; - uint64_t lookup_hit_mask_ipv4 = 0; - uint64_t lookup_hit_mask_ipv6 = 0; - uint64_t lookup_miss_mask = 0; - int status; - - - if (lib_acl_ipv4_enabled) { - if (ACL_LIB_DEBUG) - printf("ACL IPV4 Lookup Mask Before = 0x%"PRIx64"\n", - pkts_mask); - status = rte_table_acl_ops.f_lookup( - plib_acl_rule_table_ipv4_active, - pkts, pkts_mask, &lookup_hit_mask_ipv4, - (void **) plib_acl->plib_acl_entries_ipv4); - if (status < 0) - printf("Lookup failed\n"); - if (ACL_LIB_DEBUG) - printf("ACL IPV4 Lookup Mask After = 0x%"PRIx64"\n", - lookup_hit_mask_ipv4); - } - - if (lib_acl_ipv6_enabled) { - if (ACL_LIB_DEBUG) - printf("ACL IPV6 Lookup Mask Before = 0x%"PRIx64"\n", - pkts_mask); - status = rte_table_acl_ops.f_lookup( - plib_acl_rule_table_ipv6_active, - pkts, pkts_mask, &lookup_hit_mask_ipv6, - (void **) plib_acl->plib_acl_entries_ipv6); - if (status < 0) - printf("Lookup Failed\n"); - if (ACL_LIB_DEBUG) - printf("ACL IPV6 Lookup Mask After = 0x%"PRIx64"\n", - lookup_hit_mask_ipv6); - } - - /* Merge lookup results since we process both IPv4 and IPv6 below */ - lookup_hit_mask = lookup_hit_mask_ipv4 | lookup_hit_mask_ipv6; - if (ACL_LIB_DEBUG) - printf("ACL Lookup Mask After = 0x%"PRIx64"\n", - lookup_hit_mask); - - lookup_miss_mask = pkts_mask & (~lookup_hit_mask); - pkts_mask = lookup_hit_mask; - *pkts_drop_without_rule += __builtin_popcountll(lookup_miss_mask); - if (ACL_LIB_DEBUG) - printf("pkt_work_acl_key pkts_drop: %" PRIu64 " n_pkts: %u\n", - *pkts_drop_without_rule, - __builtin_popcountll(lookup_miss_mask)); - /* bitmap of packets left to process for ARP */ - uint64_t pkts_to_process = lookup_hit_mask; - - for (; pkts_to_process;) { - uint8_t pos = (uint8_t)__builtin_ctzll(pkts_to_process); - /* bitmask representing only this packet */ - uint64_t pkt_mask = 1LLU << pos; - /* remove this packet from remaining list */ - pkts_to_process &= ~pkt_mask; - struct rte_mbuf *pkt = pkts[pos]; - - uint8_t hdr_chk = RTE_MBUF_METADATA_UINT8(pkt, IP_START); - - hdr_chk = hdr_chk >> IP_VERSION_CHECK; - - if (hdr_chk == IPv4_HDR_VERSION) { - - struct lib_acl_table_entry *entry = - (struct lib_acl_table_entry *) - plib_acl->plib_acl_entries_ipv4[pos]; - uint16_t phy_port = entry->head.port_id; - uint32_t action_id = entry->action_id; - - if (ACL_LIB_DEBUG) - printf("action_id = %u\n", action_id); - - uint32_t dscp_offset = IP_START + IP_HDR_DSCP_OFST; - - if (action_array_active[action_id].action_bitmap & - lib_acl_action_count) { - p_action_counter_table - [plib_acl->action_counter_index] - [action_id].packetCount++; - p_action_counter_table - [plib_acl->action_counter_index] - [action_id].byteCount += - rte_pktmbuf_pkt_len(pkt); - if (ACL_LIB_DEBUG) - printf("Action Count Packet Count: %" - PRIu64 " Byte Count: %" - PRIu64 "\n" - , p_action_counter_table - [plib_acl->action_counter_index] - [action_id].packetCount, - p_action_counter_table - [plib_acl->action_counter_index] - [action_id].byteCount); - } - - if (action_array_active[action_id].action_bitmap & - lib_acl_action_packet_drop) { - - /* Drop packet by changing the mask */ - if (ACL_LIB_DEBUG) - printf("ACL before drop pkt_mask %" - PRIx64", pkt_num %d\n", - pkts_mask, pos); - pkts_mask &= ~(1LLU << pos); - (*pkts_drop_without_rule)++; - if (ACL_LIB_DEBUG) - printf("ACL after drop pkt_mask %"PRIx64 - ", pkt_num %d, packet_drop%" - PRIu64"\n", pkts_mask, pos, - *pkts_drop_without_rule); - } - - if (action_array_active[action_id].action_bitmap & - lib_acl_action_fwd) { - phy_port = action_array_active[action_id]. - fwd_port; - entry->head.port_id = phy_port; - if (ACL_LIB_DEBUG) - printf("Action FWD Port ID: %" - PRIu16"\n", phy_port); - } - - if (action_array_active[action_id].action_bitmap & - lib_acl_action_nat) { - phy_port = action_array_active[action_id]. - nat_port; - entry->head.port_id = phy_port; - if (ACL_LIB_DEBUG) - printf("Action NAT Port ID: %" - PRIu16"\n", phy_port); - } - - if (action_array_active[action_id].action_bitmap & - lib_acl_action_dscp) { - - /* Set DSCP priority */ - uint8_t *dscp = RTE_MBUF_METADATA_UINT8_PTR(pkt, - dscp_offset); - *dscp = action_array_active[action_id]. - dscp_priority << 2; - if (ACL_LIB_DEBUG) - printf("Action DSCP DSCP Priority: %" - PRIu16 "\n", *dscp); - } - - if (action_array_active[action_id].action_bitmap & - lib_acl_action_packet_accept) { - if (ACL_LIB_DEBUG) - printf("Action Accept\n"); - - if (action_array_active[action_id].action_bitmap - & lib_acl_action_conntrack) { - - /* Set conntrack bit for this pkt */ - *conntrack_mask |= pkt_mask; - if (ACL_LIB_DEBUG) - printf("ACL CT enabled: 0x%" - PRIx64" pkt_mask: 0x%" - PRIx64"\n", - *conntrack_mask, - pkt_mask); - } - - if (action_array_active[action_id].action_bitmap - & lib_acl_action_connexist) { - - /* Set conntrack bit for this pkt */ - *conntrack_mask |= pkt_mask; - - /* Set connexist bit for this pkt for - * public -> private */ - /* Private -> public packet will open - * the connection */ - if (action_array_active[action_id]. - private_public == - lib_acl_public_private) - *connexist_mask |= pkt_mask; - - if (ACL_LIB_DEBUG) - printf("Connexist ENB CT:0x%" - PRIx64" connexist: 0x%" - PRIx64" pkt_mask: 0x%" - PRIx64"\n", - *conntrack_mask, - *connexist_mask, - pkt_mask); - } - } - } - - if (hdr_chk == IPv6_HDR_VERSION) { - - struct lib_acl_table_entry *entry = - (struct lib_acl_table_entry *) - plib_acl->plib_acl_entries_ipv6[pos]; - uint16_t phy_port = entry->head.port_id; - uint32_t action_id = entry->action_id; - - if (ACL_LIB_DEBUG) - printf("action_id = %u\n", action_id); - - if (action_array_active[action_id].action_bitmap & - lib_acl_action_count) { - p_action_counter_table - [plib_acl->action_counter_index] - [action_id].packetCount++; - p_action_counter_table - [plib_acl->action_counter_index] - [action_id].byteCount += - rte_pktmbuf_pkt_len(pkt); - if (ACL_LIB_DEBUG) - printf("Action Count Packet Count: %" - PRIu64 " Byte Count: %" - PRIu64 "\n", - p_action_counter_table - [plib_acl->action_counter_index] - [action_id].packetCount, - p_action_counter_table - [plib_acl->action_counter_index] - [action_id].byteCount); - } - if (action_array_active[action_id].action_bitmap & - lib_acl_action_packet_drop) { - /* Drop packet by changing the mask */ - if (ACL_LIB_DEBUG) - printf("ACL before drop pkt_mask %" - PRIx64", pkt_num %d\n", - pkts_mask, pos); - pkts_mask &= ~(1LLU << pos); - (*pkts_drop_without_rule)++; - if (ACL_LIB_DEBUG) - printf("ACL after drop pkt_mask %"PRIx64 - ", pkt_num %d, packet_drop %" - PRIu64 "\n", pkts_mask, pos, - *pkts_drop_without_rule); - - } - - if (action_array_active[action_id].action_bitmap & - lib_acl_action_fwd) { - phy_port = action_array_active[action_id]. - fwd_port; - entry->head.port_id = phy_port; - if (ACL_LIB_DEBUG) - printf("Action FWD Port ID: %" - PRIu16"\n", phy_port); - } - - if (action_array_active[action_id].action_bitmap & - lib_acl_action_nat) { - phy_port = action_array_active[action_id]. - nat_port; - entry->head.port_id = phy_port; - if (ACL_LIB_DEBUG) - printf("Action NAT Port ID: %" - PRIu16"\n", phy_port); - } - - if (action_array_active[action_id].action_bitmap & - lib_acl_action_dscp) { - - /* Set DSCP priority */ - uint32_t dscp_offset = IP_START + - IP_HDR_DSCP_OFST_IPV6; - uint16_t *dscp = RTE_MBUF_METADATA_UINT16_PTR( - pkt, dscp_offset); - uint16_t temp = *dscp; - uint16_t dscp_value = (rte_bswap16(temp) & - 0XF00F); - uint8_t dscp_store = - action_array_active - [action_id].dscp_priority << 2; - uint16_t dscp_temp = dscp_store; - - dscp_temp = dscp_temp << 4; - *dscp = rte_bswap16(dscp_temp | dscp_value); - if (ACL_LIB_DEBUG) - printf("Action DSCP DSCP Priority: %" - PRIu16"\n", *dscp); - } - - if (action_array_active[action_id].action_bitmap - & lib_acl_action_packet_accept) { - if (ACL_LIB_DEBUG) - printf("Action Accept\n"); - if (action_array_active[action_id].action_bitmap - & lib_acl_action_conntrack) { - - /* Set conntrack bit for this pkt */ - *conntrack_mask |= pkt_mask; - if (ACL_LIB_DEBUG) - printf("ACL CT enabled: 0x%" - PRIx64" pkt_mask: 0x%" - PRIx64"\n", - *conntrack_mask, - pkt_mask); - } - - if (action_array_active[action_id].action_bitmap - & lib_acl_action_connexist) { - - /* Set conntrack bit for this pkt */ - *conntrack_mask |= pkt_mask; - - /* Set connexist bit for this pkt for - * public -> private */ - /* Private -> public packet will open - * the connection */ - if (action_array_active[action_id]. - private_public == - lib_acl_public_private) - *connexist_mask |= pkt_mask; - - if (ACL_LIB_DEBUG) - printf("Connexist ENB CT:0x%" - PRIx64" connexist: 0x%" - PRIx64" pkt_mask: 0x%" - PRIx64"\n", - *conntrack_mask, - *connexist_mask, - pkt_mask); - } - } - } - } - return pkts_mask; -} /** * Main packet processing function. * 64 packet bit mask are used to identify which packets to forward. |