收包函数调用流程

linux  内核数据报文接收流程

[70977.808241]  [<ffffffffa026448a>] ? tcp_ack+0xd8a/0x1390 

[70977.887555]  [<ffffffffa0264dca>] ? tcp_rcv_established+0x18a/0x6a0
[70977.978619]  [<ffffffff81ae7750>] ? tpacket_rcv+0x50/0x800
[70978.044437]  [<ffffffffa0266a65>] ? tcp_v4_do_rcv+0x1c5/0x480
[70978.128937]  [<ffffffffa005ab77>] ? ixgbe_xmit_frame_ring+0x3d7/0xcd0 [ixgbe]
[70978.214477]  [<ffffffffa0267a6e>] ? tcp_v4_rcv+0xa3e/0xa60
[70978.295806]  [<ffffffff81a3b570>] ? ip_rcv_finish+0x350/0x350
[70978.364736]  [<ffffffffa0024039>] ? iptable_filter_hook+0x39/0x70 [iptable_filter]

[70978.455781]  [<ffffffff81a311fa>] ? nf_iterate+0x9a/0xb0

[70978.684304]  [<ffffffff81a3b634>] ? ip_local_deliver_finish+0xc4/0x200

[70978.762573]  [<ffffffff81a3b908>] ? ip_local_deliver+0x48/0x80
[70978.832507]  [<ffffffff81a3b2b0>] ? ip_rcv_finish+0x90/0x350
[70978.900405]  [<ffffffff81a3bb94>] ? ip_rcv+0x254/0x3b0
[70978.962077]  [<ffffffff819ffcf6>] ? __netif_receive_skb_core+0x656/0x830
[70979.042431]  [<ffffffff819ffee8>] ? __netif_receive_skb+0x18/0x60
[70979.115518]  [<ffffffff819fff9a>] ? netif_receive_skb+0x6a/0xc0
[70979.186518]  [<ffffffff81a00918>] ? napi_gro_receive+0x58/0x80
[70979.256482]  [<ffffffffa0052c95>] ? ixgbe_clean_rx_irq+0x825/0x1060 [ixgbe]
[70979.339952]  [<ffffffffa00544e8>] ? ixgbe_poll+0x378/0x710 [ixgbe]
[70979.414069]  [<ffffffff81a002d1>] ? net_rx_action+0x131/0x210
[70979.482986]  [<ffffffff8104a087>] ? __do_softirq+0xf7/0x280
[70979.549848]  [<ffffffff81b3219c>] ? call_softirq+0x1c/0x30
[70979.615664]  [<ffffffff81004a0d>] ? do_softirq+0x3d/0x80
[70979.679354]  [<ffffffff8104a3f5>] ? irq_exit+0x105/0x110
[70979.743111]  [<ffffffff81b32818>] ? do_IRQ+0x58/0xf0
[70979.802709]  [<ffffffff81b2892a>] ? common_interrupt+0x6a/0x6a
[70979.872630]  <EOI>  [<ffffffff8100aafc>] ? default_idle+0x1c/0xb0
[70979.945828]  [<ffffffff8100b31e>] ? arch_cpu_idle+0x1e/0x30
[70980.012691]  [<ffffffff8108cf95>] ? cpu_startup_entry+0xe5/0x260
[70980.084741]  [<ffffffff81b0c600>] ? start_secondary+0x24d/0x24f