server: Deal with jumbo frames on the wire

The 2000 as a number is too small. Modern networks can have a
higher MTU (up to 9000). Take this number and assume there is
a big header in front of it.

1 files changed, 5 insertions, 1 deletions

diff --git a/include/osmo-pcap/osmo_pcap_server.h b/include/osmo-pcap/osmo_pcap_server.h
index 1f2f6fc..edb29d3 100644
--- a/include/osmo-pcap/osmo_pcap_server.h
+++ b/include/osmo-pcap/osmo_pcap_server.h
@@ -23,6 +23,8 @@
 #ifndef OSMO_PCAP_SERVER_H
 #define OSMO_PCAP_SERVER_H
 
+#include "wireformat.h"
+
 #include <osmocom/core/select.h>
 #include <osmocom/core/linuxlist.h>
 
@@ -40,6 +42,8 @@ struct osmo_pcap_server;
 #define STATE_INITIAL	0
 #define STATE_DATA	1
 
+#define SERVER_MAX_DATA_SIZE 10000
+
 struct osmo_pcap_conn {
 	/* list of connections */
 	struct llist_head entry;
@@ -64,7 +68,7 @@ struct osmo_pcap_conn {
 	int state;
 	int pend;
 	int reopen;
-	char buf[4096];
+	char buf[SERVER_MAX_DATA_SIZE + sizeof(struct osmo_pcap_data)];
 	struct osmo_pcap_data *data;
 };