search for: bpdu_header

Displaying 2 results from an estimated 2 matches for "bpdu_header".

2007 Apr 18
1
[Bridge] STP Explanation (2)
I saw some big mistakes, here's the correct version : -------------------------------------------------------------------- void br_send_config_bpdu(struct net_bridge_port *p, struct bpdu *bpdu) { unsigned char buf[42]; buf[0] = bpdu->bpdu_header.protocol[0]; //0x00 buf[1] = bpdu->bpdu_header.protocol[1]; //0x00 buf[2] = bpdu->bpdu_header.version; //0x02 buf[3] = BPDU_TYPE_CONFIG; buf[4] = bpdu->bpdu_body.flags.topo_change; buf[5] = bpdu->bpdu_body.flags.proposal; buf[6] = bpdu->bpdu_body.flags.port_role[0]; buf[7] = b...
2007 Apr 18
0
[Bridge] STP Explanation
...N int learning = 0; int forwarding = 0; int agreement = 0; int topo_change_ack = 0; }bpdu_flag; typedef struct { unsigned char protocol[2]= {0x00,0x00}; // le type unsigned char peut ?tre assimil? ? un octet unsigned char version = 0x02; //convention unsigned char bpdu_type; } bpdu_header; typedef struct { bpdu_flag flags; unsigned char root_id[8]; unsigned char root_path_cost[4]; unsigned char bridge_id[8]; unsigned char port_id[2]; unsigned char message_age[2]; unsigned char max_age[2]; unsigned char hello_time[2]; unsigned char forward_delay[2]; } bpdu_body;...