static void
handle_switch_ready( uint64_t datapath_id, void *user_data ) {
UNUSED( user_data );
openflow_actions *actions = create_actions();
append_action_output( actions, OFPP_CONTROLLER, OFPCML_NO_BUFFER );
openflow_instructions *insts = create_instructions();
append_instructions_apply_actions( insts, actions );
buffer *flow_mod = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
0,
0,
OFP_LOW_PRIORITY,
OFP_NO_BUFFER,
0,
0,
OFPFF_SEND_FLOW_REM,
NULL,
insts
);
send_openflow_message( datapath_id, flow_mod );
free_buffer( flow_mod );
delete_instructions( insts );
delete_actions( actions );
}
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
send_packet( uint32_t destination_port, packet_in packet_in, uint32_t in_port ) {
openflow_actions *actions = create_actions();
append_action_output( actions, destination_port, 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, NULL, packet_in.data );
buffer *flow_mod = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
60,
0,
OFP_HIGH_PRIORITY,
packet_in.buffer_id,
0,
0,
OFPFF_SEND_FLOW_REM,
match,
insts
);
send_openflow_message( packet_in.datapath_id, flow_mod );
free_buffer( flow_mod );
delete_oxm_matches( match );
delete_instructions( insts );
if ( packet_in.buffer_id == OFP_NO_BUFFER ) {
buffer *frame = duplicate_buffer( packet_in.data );
fill_ether_padding( frame );
buffer *packet_out = create_packet_out(
get_transaction_id(),
packet_in.buffer_id,
in_port,
actions,
frame
);
send_openflow_message( packet_in.datapath_id, packet_out );
free_buffer( packet_out );
free_buffer( frame );
}
delete_actions( actions );
}
OFDPE
update_or_add_flow_entry( const uint8_t table_id, const match *key,
const uint64_t cookie, const uint64_t cookie_mask,
const uint16_t priority, const uint16_t idle_timeout, const uint16_t hard_timeout,
const uint16_t flags, const bool strict, instruction_set *instructions ) {
if ( !valid_table_id( table_id ) ) {
return ERROR_OFDPE_FLOW_MOD_FAILED_BAD_TABLE_ID;
}
if ( key == NULL ) {
error( "Invalid match ( %p ).", key );
return ERROR_INVALID_PARAMETER;
}
if ( instructions == NULL ) {
error( "Invalid instruction set ( %p ).", instructions );
return ERROR_INVALID_PARAMETER;
}
if ( !lock_pipeline() ) {
return ERROR_LOCK;
}
flow_table *table = get_flow_table( table_id );
assert( table != NULL );
OFDPE ret = validate_instruction_set( instructions, table->features.metadata_write );
if ( ret != OFDPE_SUCCESS ) {
error( "Invalid instruction set ( ret = %#x, instructions = %p ).", ret, instructions );
unlock_pipeline();
return ret;
}
list_element *list = lookup_flow_entries_with_table_id( table_id, key, priority, strict, false );
if ( list != NULL ) {
update_flow_entries_in_list( list, cookie, cookie_mask, flags, instructions );
delete_list( list );
}
else {
match *duplicated_match = duplicate_match( key );
instruction_set *duplicated_instructions = duplicate_instructions( instructions );
flow_entry *entry = alloc_flow_entry( duplicated_match, duplicated_instructions,
priority, idle_timeout, hard_timeout, flags, cookie );
if ( entry != NULL ) {
ret = add_flow_entry( table_id, entry, flags );
if ( ret != OFDPE_SUCCESS ) {
error( "Failed to add flow entry ( table_id = %#x, entry = %p, flags = %#x ).", table_id, entry, flags );
}
}
else {
delete_match( duplicated_match );
delete_instructions( duplicated_instructions );
ret = OFDPE_FAILED;
}
}
if ( !unlock_pipeline() ) {
return ERROR_UNLOCK;
}
return ret;
}
static void
handle_switch_ready( uint64_t datapath_id, void *user_data ) {
UNUSED( user_data );
openflow_actions *actions = create_actions();
append_action_output( actions, OFPP_CONTROLLER, OFPCML_NO_BUFFER );
openflow_instructions *insts = create_instructions();
append_instructions_apply_actions( insts, actions );
buffer *flow_mod = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
0,
0,
OFP_LOW_PRIORITY,
OFP_NO_BUFFER,
0,
0,
OFPFF_SEND_FLOW_REM,
NULL,
insts
);
send_openflow_message( datapath_id, flow_mod );
free_buffer( flow_mod );
delete_instructions( insts );
// sleep(2000);
info("sending ARP config to %d",datapath_id);
uint32_t dest = OFPP_ALL;
oxm_matches *match2 = create_oxm_matches();
append_oxm_match_eth_type( match2, 0x0806);
openflow_actions *actions2 = create_actions();
append_action_output( actions2, dest, OFPCML_NO_BUFFER );
openflow_instructions *insts2 = create_instructions();
append_instructions_apply_actions( insts2, actions2 );
buffer *flow_mod2 = 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,
match2,
insts2
);
send_openflow_message( datapath_id, flow_mod2 );
free_buffer( flow_mod2 );
delete_oxm_matches( match2 );
delete_instructions( insts2 );
// sleep(2000);
info("sending second config: ipv4");
oxm_matches *match3 = create_oxm_matches();
append_oxm_match_eth_type( match3, 0x0800);
// append_oxm_match_in_port( match2, 2);
// dest = 1;
openflow_actions *actions3 = create_actions();
append_action_push_mpls(actions3,0x8847);
append_action_set_field_mpls_label(actions3,4120955);
append_action_output( actions3, dest, OFPCML_NO_BUFFER );
openflow_instructions *insts3 = create_instructions();
append_instructions_apply_actions( insts3, actions3 );
buffer *flow_mod3 = 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,
match3,
insts3
);
send_openflow_message( datapath_id, flow_mod3 );
free_buffer( flow_mod3 );
delete_oxm_matches( match3 );
delete_instructions( insts3 );
info("done sending");
// sleep(2000);
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, dest, 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");
}
static void
handle_switch_ready( uint64_t datapath_id, void *user_data ) {
UNUSED( user_data );
openflow_actions *actions = create_actions();
append_action_output( actions, OFPP_CONTROLLER, OFPCML_NO_BUFFER );
openflow_instructions *insts = create_instructions();
append_instructions_apply_actions( insts, actions );
buffer *flow_mod = create_flow_mod(
get_transaction_id(),
get_cookie(),
0,
0,
OFPFC_ADD,
0,
0,
OFP_LOW_PRIORITY,
OFP_NO_BUFFER,
0,
0,
OFPFF_SEND_FLOW_REM,
NULL,
insts
);
send_openflow_message( datapath_id, flow_mod );
free_buffer( flow_mod );
delete_instructions( insts );
// sleep(2000);
info("sending ARP config: flood - %d",datapath_id);
uint32_t dest = OFPP_ALL;
oxm_matches *match2 = create_oxm_matches();
append_oxm_match_eth_type( match2, 0x0806);
openflow_actions *actions2 = create_actions();
append_action_output( actions2, dest, OFPCML_NO_BUFFER );
openflow_instructions *insts2 = create_instructions();
append_instructions_apply_actions( insts2, actions2 );
buffer *flow_mod2 = 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,
match2,
insts2
);
send_openflow_message( datapath_id, flow_mod2 );
free_buffer( flow_mod2 );
delete_oxm_matches( match2 );
delete_instructions( insts2 );
// sleep(2000);
info("sending second config: match on eth src");
uint8_t eth_src[ OFP_ETH_ALEN ] = {0x0,0x24,0xe8,0x77,0xa5,0x32};
uint8_t set_src[ OFP_ETH_ALEN ] = {0x0,0x10,0x18,0x56,0xab,0xc2};
uint8_t eth_mask[ OFP_ETH_ALEN ] = {0xff,0xff,0xff,0xff,0xff,0xff};
oxm_matches *match3 = create_oxm_matches();
append_oxm_match_eth_type( match3, 0x0800);
append_oxm_match_eth_src( match3,eth_src,eth_mask);
// append_oxm_match_in_port( match2, 2);
// dest = 1;
openflow_actions *actions3 = create_actions();
append_action_set_field_eth_src( actions3, set_src );
append_action_push_mpls(actions3,0x8847);
append_action_set_field_mpls_label(actions3,412095);
append_action_output( actions3, 3, OFPCML_NO_BUFFER );
openflow_instructions *insts3 = create_instructions();
append_instructions_apply_actions( insts3, actions3 );
buffer *flow_mod3 = 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,
match3,
insts3
);
send_openflow_message( datapath_id, flow_mod3 );
free_buffer( flow_mod3 );
delete_oxm_matches( match3 );
delete_instructions( insts3 );
info("done sending");
// sleep(2000);
info("sending config:match mpls label -> pop mpls, set dest eth");
oxm_matches *match4 = create_oxm_matches();
append_oxm_match_eth_type( match4, 0x8847);
append_oxm_match_mpls_label(match4, 412095);
uint8_t set_src2[ OFP_ETH_ALEN ] = {0x0,0x24,0xe8,0x77,0xa5,0x32};
openflow_actions *actions4 = create_actions();
append_action_pop_mpls(actions4, 0x0800);
append_action_output( actions4, 1, OFPCML_NO_BUFFER );
append_action_set_field_eth_src( actions4, set_src2 );
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( 0x00101856ab98 , flow_mod4);
free_buffer( flow_mod4 );
delete_oxm_matches( match4 );
delete_instructions( insts4 );
info("sending second config: match on eth src");
uint8_t set_src3[ OFP_ETH_ALEN ] = {0x0,0x10,0x18,0x56,0xab,0xc2};
oxm_matches *match5 = create_oxm_matches();
append_oxm_match_eth_type( match5, 0x0800);
// append_oxm_match_eth_src( match3,eth_src,eth_mask);
// append_oxm_match_in_port( match2, 2);
// dest = 1;
openflow_actions *actions5 = create_actions();
append_action_set_field_eth_src( actions5, set_src3 );
append_action_push_mpls(actions5,0x8847);
append_action_set_field_mpls_label(actions5,442095);
append_action_output( actions5, 3, OFPCML_NO_BUFFER );
openflow_instructions *insts5 = create_instructions();
append_instructions_apply_actions( insts5, actions5 );
buffer *flow_mod5 = 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,
match5,
insts5
);
send_openflow_message( datapath_id, flow_mod5 );
free_buffer( flow_mod5 );
delete_oxm_matches( match5 );
delete_instructions( insts5 );
info("done sending");
}
