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Test for IP_TOS and hardcode DSCP values

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This allows it to work on macos too
This commit is contained in:
Matt Johnston 2022-01-25 17:57:05 +08:00
parent f3a4ea511b
commit a4362d3019
1 changed files with 7 additions and 4 deletions
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11
netio.c
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@ -374,7 +374,7 @@ void set_sock_priority(int sock, enum dropbear_prio prio) {
/* Don't log ENOTSOCK errors so that this can harmlessly be called
* on a client '-J' proxy pipe */
#ifdef IPTOS_DSCP_AF21
#ifdef IP_TOS
/* Set the DSCP field for outbound IP packet priority.
rfc4594 has some guidance to meanings.
@ -388,11 +388,14 @@ void set_sock_priority(int sock, enum dropbear_prio prio) {
Old Dropbear/OpenSSH and Debian/Ubuntu OpenSSH (at Jan 2022) use
IPTOS_LOWDELAY/IPTOS_THROUGHPUT
DSCP constants are from Linux headers, applicable to other platforms
such as macos.
*/
if (prio == DROPBEAR_PRIO_LOWDELAY) {
val = IPTOS_DSCP_AF21;
val = 0x48; /* IPTOS_DSCP_AF21 */
} else if (prio == DROPBEAR_PRIO_BULK) {
val = IPTOS_DSCP_AF11;
val = 0x28; /* IPTOS_DSCP_AF11; */
} else {
val = 0; /* default */
}
@ -406,7 +409,7 @@ void set_sock_priority(int sock, enum dropbear_prio prio) {
if (rc < 0 && errno != ENOTSOCK) {
TRACE(("Couldn't set IP_TOS (%s)", strerror(errno)));
}
#endif
#endif /* IP_TOS */
#ifdef HAVE_LINUX_PKT_SCHED_H
/* Set scheduling priority within the local Linux network stack */