diff options
Diffstat (limited to 'dbutil.c')
| -rw-r--r-- | dbutil.c | 37 |
1 files changed, 22 insertions, 15 deletions
@@ -185,30 +185,37 @@ void set_sock_nodelay(int sock) { setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&val, sizeof(val)); } -void set_sock_priority(int sock) { +void set_sock_priority(int sock, enum dropbear_prio prio) { - int val, rc; + int iptos_val = 0, so_prio_val = 0, rc; /* set the TOS bit for either ipv4 or ipv6 */ #ifdef IPTOS_LOWDELAY - val = IPTOS_LOWDELAY; + if (prio == DROPBEAR_PRIO_LOWDELAY) { + iptos_val = IPTOS_LOWDELAY; + } else if (prio == DROPBEAR_PRIO_BULK) { + iptos_val = IPTOS_THROUGHPUT; + } #if defined(IPPROTO_IPV6) && defined(IPV6_TCLASS) - rc = setsockopt(sock, IPPROTO_IPV6, IPV6_TCLASS, (void*)&val, sizeof(val)); - if (rc < 0) - dropbear_log(LOG_WARNING, "Couldn't set IPV6_TCLASS (%s)", - strerror(errno)); + rc = setsockopt(sock, IPPROTO_IPV6, IPV6_TCLASS, (void*)&iptos_val, sizeof(iptos_val)); + if (rc < 0) { + TRACE(("Couldn't set IPV6_TCLASS (%s)", strerror(errno))); + } #endif - rc = setsockopt(sock, IPPROTO_IP, IP_TOS, (void*)&val, sizeof(val)); - if (rc < 0) - dropbear_log(LOG_WARNING, "Couldn't set IP_TOS (%s)", - strerror(errno)); + rc = setsockopt(sock, IPPROTO_IP, IP_TOS, (void*)&iptos_val, sizeof(iptos_val)); + if (rc < 0) { + TRACE(("Couldn't set IP_TOS (%s)", strerror(errno))); + } #endif #ifdef SO_PRIORITY - /* linux specific, sets QoS class. - * 6 looks to be optimal for interactive traffic (see tc-prio(8) ). */ - val = TC_PRIO_INTERACTIVE; - rc = setsockopt(sock, SOL_SOCKET, SO_PRIORITY, (void*) &val, sizeof(val)); + if (prio == DROPBEAR_PRIO_LOWDELAY) { + so_prio_val = TC_PRIO_INTERACTIVE; + } else if (prio == DROPBEAR_PRIO_BULK) { + so_prio_val = TC_PRIO_BULK; + } + /* linux specific, sets QoS class. see tc-prio(8) */ + rc = setsockopt(sock, SOL_SOCKET, SO_PRIORITY, (void*) &so_prio_val, sizeof(so_prio_val)); if (rc < 0) dropbear_log(LOG_WARNING, "Couldn't set SO_PRIORITY (%s)", strerror(errno)); |