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Reimplement BSD layer

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This commit is contained in:
Sergio R. Caprile committed 2026-10-12 18:09:41 -03:00
1 parent bc5afa4519
commit fdf12844e3
28 files changed
+3653 -1746
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src/net_builtin.c
+15 -12
View File
@@ -1,4 +1,5 @@
#include "net_builtin.h"
#include "bsd.h"
#include "profile.h"
#if MG_ENABLE_TCPIP
@@ -31,16 +32,16 @@
#endif
struct connstate {
uint32_t seq, ack; // TCP seq/ack counters
uint64_t timer; // TCP timer (see 'ttype' below)
uint64_t txq_timer; // TCP retransmission timer (RFC-6298, 5)
uint32_t acked; // Last ACK-ed number
size_t unacked; // Not acked bytes
uint32_t maxseq; // Max send seq (ack + window)
uint32_t txq_seq; // Sequence of first txq record (RFC-9293, 3.8)
uint32_t txq_una; // Oldest unacknowledged sequence (RFC-9293, 3.4)
uint16_t win; // destination current window size
uint16_t dmss; // destination MSS (from TCP opts)
uint32_t seq, ack; // TCP seq/ack counters
uint64_t timer; // TCP timer (see 'ttype' below)
uint64_t txq_timer; // TCP retransmission timer (RFC-6298, 5)
uint32_t acked; // Last ACK-ed number
size_t unacked; // Not acked bytes
uint32_t maxseq; // Max send seq (ack + window)
uint32_t txq_seq; // Sequence of first txq record (RFC-9293, 3.8)
uint32_t txq_una; // Oldest unacknowledged sequence (RFC-9293, 3.4)
uint16_t win; // destination current window size
uint16_t dmss; // destination MSS (from TCP opts)
uint8_t mac[sizeof(struct mg_l2addr)]; // Peer hw address
uint8_t ttype; // Timer type:
#define MIP_TTYPE_KEEPALIVE 0 // Connection is idle for long, send keepalive
@@ -807,7 +808,7 @@ static struct ip6 *tx_ip6(struct mg_tcpip_if *ifp, uint8_t *l2_dst,
struct ip6 *ip6 = (struct ip6 *) mg_l2_header(ifp, MG_TCPIP_L2PROTO_IPV6,
ifp->mac, l2_dst, l2p);
memset(ip6, 0, sizeof(*ip6));
ip6->ver = (uint8_t) (0x60 | (dscp >> 2)); // Version 6, traffic class
ip6->ver = (uint8_t) (0x60 | (dscp >> 2)); // Version 6, traffic class
ip6->label[0] = (uint8_t) (dscp << 6);
ip6->plen = mg_htons((uint16_t) plen);
ip6->next = next;
@@ -1276,7 +1277,7 @@ static size_t tx_tcp(struct mg_tcpip_if *ifp, uint8_t *l2_dst,
tcp->off = (uint8_t) (hlen / 4 << 4);
#if MG_ENABLE_IPV6
if (ip_dst->is_ip6) {
tcp->csum = p6csum(ip6, tcp, 6, hlen + len);
tcp->csum = p6csum(ip6, tcp, 6, hlen + len);
} else
#endif
{
@@ -2266,6 +2267,7 @@ void mg_tcpip_init(struct mg_mgr *mgr, struct mg_tcpip_if *ifp) {
MG_DEBUG(("Builtin TCP/IP init done. Queue size: %zu, extra conn size: %zu",
ifp->recv_queue.size, mgr->extraconnsize));
}
mg_bsd_init(mgr);
}
void mg_tcpip_free(struct mg_tcpip_if *ifp) {
@@ -2436,6 +2438,7 @@ void mg_mgr_poll(struct mg_mgr *mgr, int ms) {
c->is_closing = 1;
if (c->is_closing) close_conn(c);
}
mg_bsd_poll(mgr);
(void) ms;
}