user: implement mlibc as the libc, finally.

It's finally done.. Signed-off-by: kaguya <vpshinomiya@protonmail.com>
2026-05-02 03:31:49 -04:00
parent 2fa39ad85a
commit 9a9b91c940
2387 changed files with 152741 additions and 315 deletions
@@ -0,0 +1,95 @@
+#ifndef _NETINET_TCP_H
+#define _NETINET_TCP_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Define some macros using same ABI as Linux */
+#define TCP_NODELAY 1
+#define TCP_MAXSEG 2
+#define TCP_KEEPIDLE 4
+#define TCP_KEEPINTVL 5
+#define TCP_KEEPCNT 6
+#define TCP_DEFER_ACCEPT 9
+#define TCP_INFO 11
+#define TCP_CONGESTION 13
+#define TCP_FASTOPEN 23
+
+#define TCP_ESTABLISHED 1
+#define TCP_SYN_SENT 2
+#define TCP_SYN_RECV 3
+#define TCP_FIN_WAIT1 4
+#define TCP_FIN_WAIT2 5
+#define TCP_TIME_WAIT 6
+#define TCP_CLOSE 7
+#define TCP_CLOSE_WAIT 8
+#define TCP_LAST_ACK 9
+#define TCP_LISTEN 10
+#define TCP_CLOSING 11
+#define TCP_QUICKACK 12
+
+#define SOL_TCP 6
+
+#define TCPI_OPT_TIMESTAMPS 1
+#define TCPI_OPT_SACK 2
+#define TCPI_OPT_WSCALE 4
+#define TCPI_OPT_ECN 8
+#define TCPI_OPT_ECN_SEEN 16
+#define TCPI_OPT_SYN_DATA 32
+
+enum tcp_ca_state {
+	TCP_CA_Open = 0,
+	TCP_CA_Disorder = 1,
+	TCP_CA_CWR = 2,
+	TCP_CA_Recovery = 3,
+	TCP_CA_Loss = 4
+};
+
+struct tcp_info {
+	uint8_t tcpi_state;
+	uint8_t tcpi_ca_state;
+	uint8_t tcpi_retransmits;
+	uint8_t tcpi_probes;
+	uint8_t tcpi_backoff;
+	uint8_t tcpi_options;
+	__extension__ uint8_t tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
+
+	uint32_t tcpi_rto;
+	uint32_t tcpi_ato;
+	uint32_t tcpi_snd_mss;
+	uint32_t tcpi_rcv_mss;
+
+	uint32_t tcpi_unacked;
+	uint32_t tcpi_sacked;
+	uint32_t tcpi_lost;
+	uint32_t tcpi_retrans;
+	uint32_t tcpi_fackets;
+
+	uint32_t tcpi_last_data_sent;
+	uint32_t tcpi_last_ack_sent;
+	uint32_t tcpi_last_data_recv;
+	uint32_t tcpi_last_ack_recv;
+
+	uint32_t tcpi_pmtu;
+	uint32_t tcpi_rcv_ssthresh;
+	uint32_t tcpi_rtt;
+	uint32_t tcpi_rttvar;
+	uint32_t tcpi_snd_ssthresh;
+	uint32_t tcpi_snd_cwnd;
+	uint32_t tcpi_advmss;
+	uint32_t tcpi_reordering;
+
+	uint32_t tcpi_rcv_rtt;
+	uint32_t tcpi_rcv_space;
+
+	uint32_t tcpi_total_retrans;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _NETINET_TCP_H */