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Fix protocol structure and filling

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logicog
2025-09-01 07:45:33 +02:00
parent e499007666
commit a939e2e92b
1 changed files with 15 additions and 7 deletions
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rtl837x_stp.c
+15 -7
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@@ -43,16 +43,20 @@ struct stp_pkt {
uint8_t ctrl; uint8_t ctrl;
uint16_t proto; uint16_t proto;
uint8_t version; uint8_t version;
uint8_t bpdu_type;
uint8_t flags;
uint8_t root_prio; uint8_t root_prio;
uint8_t root_ext; uint8_t root_ext;
uint8_t root_mac[8]; uint8_t root_mac[6];
uint32_t root_path_cost;
uint8_t bridge_prio; uint8_t bridge_prio;
uint8_t bridge_ext; uint8_t bridge_ext;
uint8_t bridge_mac[8]; uint8_t bridge_mac[6];
uint8_t port_prio; uint8_t port_prio;
uint8_t port_id; uint8_t port_id;
uint16_t age; uint16_t age;
uint16_t age_max; uint16_t age_max;
uint16_t hello;
uint16_t fwd_delay; uint16_t fwd_delay;
}; };
@@ -75,7 +79,9 @@ void stp_cnf_send(uint8_t port) __banked
STP_O->ssap = 0x42; STP_O->ssap = 0x42;
STP_O->ctrl = 0x03; STP_O->ctrl = 0x03;
STP_O->proto = 0x0000; STP_O->proto = 0x0000;
STP_O->version = 0; STP_O->version = 0x02; // RSTP
STP_O->bpdu_type = 0x00; // Config
STP_O->flags = 0x81;
memcpyc(STP_O->src_addr, uip_ethaddr.addr, 6); memcpyc(STP_O->src_addr, uip_ethaddr.addr, 6);
memcpyc(STP_O->root_mac, uip_ethaddr.addr, 6); // For now we are the root-bridge memcpyc(STP_O->root_mac, uip_ethaddr.addr, 6); // For now we are the root-bridge
@@ -83,16 +89,18 @@ void stp_cnf_send(uint8_t port) __banked
STP_O->root_prio = 0x80; STP_O->root_prio = 0x80;
STP_O->root_ext = 0x00; STP_O->root_ext = 0x00;
STP_O->root_path_cost = 0x00000000;
STP_O->bridge_prio = 0x80; STP_O->bridge_prio = 0x80;
STP_O->bridge_ext = 0x00; STP_O->bridge_ext = 0x00;
STP_O->port_prio = 0x80; STP_O->port_prio = 0x80;
STP_O->port_id = port; STP_O->port_id = port;
STP_O->age = 0x00; STP_O->age = 0x00; // FIXME: This only works because we do not use HTONS and the values are in 1/256 seconds
STP_O->age_max = 0x20; STP_O->age_max = 20;
STP_O->hello = 2;
STP_O->fwd_delay = 0x0f; STP_O->fwd_delay = 0x0f;
// uip_len = 0x27 + sizeof(struct rtl_tag);
uip_len = 0x27 + sizeof(struct rtl_tag); uip_len = sizeof(struct stp_pkt);
} }