bcc/tests/cc/test_stat1.b at p4-demo · devel-hm/bcc

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// Copyright (c) PLUMgrid, Inc.

// Licensed under the Apache License, Version 2.0 (the "License")

struct IPKey {

u32 dip:32;

u32 sip:32;

};

struct IPLeaf {

u32 rx_pkts:64;

u32 tx_pkts:64;

};

Table<IPKey, IPLeaf, FIXED_MATCH, AUTO> stats(1024);

struct skbuff {

u32 type:32;

};

u32 on_packet(struct skbuff *skb) {

u32 ret:32 = 0;

goto proto::ethernet;

state proto::ethernet {

}

state proto::dot1q {

}

state proto::ip {

u32 rx:32 = 0;

u32 tx:32 = 0;

u32 IPKey key;

if $ip.dst > $ip.src {

key.dip = $ip.dst;

key.sip = $ip.src;

rx = 1;

// test arbitrary return stmt

if false {

return 3;

}

} else {

key.dip = $ip.src;

key.sip = $ip.dst;

tx = 1;

ret = 1;

}

struct IPLeaf *leaf;

leaf = stats[key];

on_valid(leaf) {

atomic_add(leaf.rx_pkts, rx);

atomic_add(leaf.tx_pkts, tx);

}

state proto::udp {

}

state proto::vxlan {

}

state proto::gre {

}

state EOP {

return ret;

}

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