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72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
// Copyright (C) 2022 Check Point Software Technologies Ltd. All rights reserved.
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// Licensed under the Apache License, Version 2.0 (the "License");
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef __SHMPKTQUEUE_H__
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#define __SHMPKTQUEUE_H__
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#include <net/ethernet.h>
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#include <inttypes.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct shm_pkt_queue_stub shm_pkt_queue_stub;
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typedef enum {
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shmq_msg_mode_l2 = 0x01, // Layer 2 packet
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shmq_msg_mode_l3 = 0x02, // Layer 3 packet
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shmq_msg_mode_bb = 0x04, // Packet need to be bounced back to incoming interface
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} shmq_msg_mode;
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typedef enum {
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shmq_msg_no_proto = 0,
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shmq_msg_proto_ipv4 = ETHERTYPE_IP, // Internet Protocol version 4
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shmq_msg_proto_ipv6 = ETHERTYPE_IPV6, // Internet Protocol version 6
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} shm_pkt_msg_proto;
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typedef struct {
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uint16_t mode; // Of type: shmq_msg_mode. Message mode flags.
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uint16_t l3_proto; // Of type: shm_pkt_msg_proto. Message protocol: IPv4/IPv6, etc.
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uint16_t len; // Data length
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uint16_t maclen; // MAC header length. TODO: Remove it. Data content should be is enough
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uint16_t if_index; // VPP Interface index
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unsigned char data[0];
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} shm_pkt_queue_msg_hdr;
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shm_pkt_queue_stub *get_shm_pkt_queue_id();
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int init_shm_pkt_queue(shm_pkt_queue_stub *id, const char *shm_name, const char *queue_name);
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int push_to_shm_pkt_queue(
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shm_pkt_queue_stub *id,
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const unsigned char *msg,
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uint16_t length,
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shmq_msg_mode mode,
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shm_pkt_msg_proto l3_proto,
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uint16_t l2_length,
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uint16_t if_index
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);
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unsigned char *pop_from_shm_pkt_queue(shm_pkt_queue_stub *id);
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int is_shm_pkt_queue_empty(shm_pkt_queue_stub *id);
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void delete_shm_pkt_queue(shm_pkt_queue_stub *id);
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#ifdef __cplusplus
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}
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#endif
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#endif // __SHMPKTQUEUE_H__
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