ipcpd: Filter fqueue events in packet handlers

The eth, udp and local IPCPs were not filtering out the event types
from the flow, causing some reads when there are no packets in the
queue. The types are now also organized as flags so they can be
filtered more quickly if needed.

Signed-off-by: Dimitri Staessens <[email protected]>
Signed-off-by: Sander Vrijders <[email protected]>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/ipcpd/eth/eth.c b/src/ipcpd/eth/eth.c
index 9cc11848..daeb9be2 100644
--- a/src/ipcpd/eth/eth.c
+++ b/src/ipcpd/eth/eth.c
@@ -1035,6 +1035,9 @@ static void * eth_ipcp_packet_writer(void * o)
         while (true) {
                 fevent(eth_data.np1_flows, fq, NULL);
                 while ((fd = fqueue_next(fq)) >= 0) {
+                        if (fqueue_type(fq) != FLOW_PKT)
+                                continue
+;
                         if (ipcp_flow_read(fd, &sdb)) {
                                 log_dbg("Bad read from fd %d.", fd);
                                 continue;