TCP_SNDQUEUELOWAT macro

TCP_SNDQUEUELOWAT: TCP writable bufs (pbuf count). This must be less than TCP_SND_QUEUELEN. If the number of pbufs queued on a pcb drops below this number, select returns writable (combined with TCP_SNDLOWAT).

Syntax

from opt.h:1340

#define TCP_SNDQUEUELOWAT LWIP_MAX(((TCP_SND_QUEUELEN)/2), 5)

References

Location	Text
opt.h:1340	#define TCP_SNDQUEUELOWAT LWIP_MAX(((TCP_SND_QUEUELEN)/2), 5)
api_msg.c:381	(tcp_sndqueuelen(conn->pcb.tcp) < TCP_SNDQUEUELOWAT)) {
api_msg.c:415	(tcp_sndqueuelen(conn->pcb.tcp) < TCP_SNDQUEUELOWAT)) {
api_msg.c:1736	(tcp_sndqueuelen(conn->pcb.tcp) >= TCP_SNDQUEUELOWAT)) {
init.c:311	#if TCP_SNDQUEUELOWAT >= TCP_SND_QUEUELEN