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UDP_LOCAL, TX (IP, TCP, Socekt, ETH), RX (ETH, IP, Socket, TCP) - Coggle…
UDP_LOCAL
TX
IP
ip_send_check
ip_output
:red_flag:__ip_local_out
__ip_finish_output
ip_do_fragment
ip_copy_metadata
:black_flag: ip_finish_output2
TCP
ip_generic_getfrag
__ip_select_ident
ip_make_skb
ip_route_output_flow
:black_flag: udp_send_skb
:red_flag: udp_sendmsg
Socekt
apparmor_socket_sendmsg
:black_flag: inet_sendmsg
:red_flag: sock_sendmsg
ETH
:red_flag: dev_queue_xmit
:black_flag: dev_hard_start_xmit
RX
ETH
net_rx_action
do_softirq
:red_flag: __netif_receive_skb
:black_flag: netif_rx
IP
ip_local_deliver
ip_rcv_finish
:red_flag: ip_local_deliver_finsih
:black_flag: ip_rcv
Socket
apparmor_socket_sock_rcv_skb
:black_flag: sk_filter_trim_cap
:red_flag: sock_recvmsg
TCP
__udp4_lib_lookup
:black_flag: udp_rcv
:red_flag: upd_queue_rcv_skb