第一种方法是通过套接字,打开指定的网卡,然后使用recvmsg读取,实际过程需要需要将报文从内核区拷贝到用户区。第二种方法是使用packet_mmap,使用共享内存方式,在内核空间中分配一块内核缓冲区,然后用户空间程序调用mmap映射到用户空间。将接收到的skb拷贝到那块内核缓冲区中,这样用户空间的程序就可以直接读到捕获的数据...
if_packet.h> #include <linux/wireless.h> #include <linux/kernel.h> #include <linux/kmod.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <net/net_namespace.h> #include <net/ip.h> #include <net/protocol.h> #include <linux/skbuff.h> #include <net/sock.h> ...
dev_add_pack(&ip_packet_type); ip_tunnel_core_init(); rc = 0; out: return rc; out_unregister_raw_proto: proto_unregister(&raw_prot); out_unregister_udp_proto: proto_unregister(&udp_prot); out_unregister_tcp_proto: proto_unregister(&tcp_prot); goto out...
CONTRIBUTING.md LICENSE README.md base.go benchmark_test.go decode.go doc.go flows.go gc gen.go go.mod go.sum layerclass.go layers_decoder.go layertype.go packet.go packet_test.go parser.go time.go time_test.go writer.go writer_test.go...
dev_add_pack(&can_packet); dev_add_pack(&canfd_packet); return 0; out_sock: unregister_pernet_subsys(&can_pernet_ops); out_pernet: kmem_cache_destroy(rcv_cache); return err; } static __exit void can_exit(void) { /* protocol unregister */ ...
文档版本 01 (2022-02-22) 149 深信服下一代防火墙用户手册 策略 步骤1.进入[网络/地址转换/DNS Mapping]菜单,点击新增。 步骤2.在弹出的对话框中填写公网IP,域名等信息。本案例中的填写方法如下。 步骤3.点击保存,完成配置。此时内网用户访问即可以直接访问 到00。 文档版本 01 (2022-02-22) 150 深信服下...
THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE...
THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE...
org.apache.kafka.connect.errors.ConnectException: log event entry exceeded max_allowed_packet; Increase max_allowed_packet on master; the first event 'mysqld- bin.000060' at 910723425, the last event read from '/data/binlog/qdpp/mysqld-bin.000060' at 123, the last byte read from '/data...
文档版本 01 (2022-02-22) 149 深信服下一代防火墙用户手册 策略 步骤1.进入[网络/地址转换/DNS Mapping]菜单,点击新增。 步骤2.在弹出的对话框中填写公网IP,域名等信息。本案例中的填写方法如下。 步骤3.点击保存,完成配置。此时内网用户访问即可以直接访问 到00。 文档版本 01 (2022-02-22) 150 深信服下...