static void
handle_packet_in( uint64_t datapath_id, packet_in message ) {
if ( message.data == NULL ) {
error( "data must not be NULL" );
return;
}
if ( !packet_type_ether( message.data ) ) {
return;
}
uint32_t in_port = get_in_port_from_oxm_matches( message.match );
if ( in_port == 0 ) {
return;
}
struct key new_key;
packet_info packet_info = get_packet_info( message.data );
memcpy( new_key.mac, packet_info.eth_macsa, OFP_ETH_ALEN );
new_key.datapath_id = datapath_id;
hash_table *forwarding_db = message.user_data;
learn( forwarding_db, new_key, in_port );
struct key search_key;
memcpy( search_key.mac, packet_info.eth_macda, OFP_ETH_ALEN );
search_key.datapath_id = datapath_id;
forwarding_entry *destination = lookup_hash_entry( forwarding_db, &search_key );
if ( destination == NULL ) {
do_flooding( message, in_port );
}
else {
send_packet( destination->port_no, message, in_port );
}
}
static void
handle_packet_in( uint64_t datapath_id, packet_in message ) {
if ( message.data == NULL ) {
error( "data must not be NULL" );
return;
}
uint32_t in_port = get_in_port_from_oxm_matches( message.match );
if ( in_port == 0 ) {
return;
}
openflow_actions *actions = create_actions();
append_action_output( actions, OFPP_ALL, OFPCML_NO_BUFFER );
openflow_instructions *insts = create_instructions();
append_instructions_apply_actions( insts, actions );
oxm_matches *match = create_oxm_matches();
set_match_from_packet( match, in_port, 0, message.data );
buffer *flow_mod = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
60,
0,
OFP_HIGH_PRIORITY,
message.buffer_id,
0,
0,
OFPFF_SEND_FLOW_REM,
match,
insts
);
send_openflow_message( datapath_id, flow_mod );
free_buffer( flow_mod );
delete_oxm_matches( match );
delete_instructions( insts );
if ( message.buffer_id == OFP_NO_BUFFER ) {
buffer *frame = duplicate_buffer( message.data );
fill_ether_padding( frame );
buffer *packet_out = create_packet_out(
get_transaction_id(),
message.buffer_id,
in_port,
actions,
frame
);
send_openflow_message( datapath_id, packet_out );
free_buffer( packet_out );
free_buffer( frame );
}
delete_actions( actions );
}
static void
handle_packet_in( uint64_t datapath_id, packet_in message ) {
info("got packet to handle");
if ( message.data == NULL ) {
error( "data must not be NULL" );
return;
}
if ( !packet_type_ether( message.data ) ) {
return;
}
uint32_t in_port = get_in_port_from_oxm_matches( message.match );
if ( in_port == 0 ) {
return;
}
info("got a packet to handle from, %d",datapath_id);
/*
info("sending third config");
oxm_matches *match4 = create_oxm_matches();
append_oxm_match_eth_type( match4, 0x8847);
// append_oxm_match_mpls_label(match4, 4120955);
openflow_actions *actions4 = create_actions();
append_action_pop_mpls(actions4, 0x0800);
append_action_output( actions4, OFPP_ALL, OFPCML_NO_BUFFER );
openflow_instructions *insts4 = create_instructions();
append_instructions_apply_actions( insts4, actions4 );
buffer *flow_mod4 = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
0,
0,
OFP_HIGH_PRIORITY,
OFP_NO_BUFFER,
0,
0,
OFPFF_SEND_FLOW_REM,
match4,
insts4
);
send_openflow_message( datapath_id, flow_mod4);
free_buffer( flow_mod4 );
delete_oxm_matches( match4 );
delete_instructions( insts4 );
info("done sending");
*/
}
