diff options
| -rw-r--r-- | net/ipv4/ipvs/ip_vs_sync.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/ipvs/ip_vs_sync.c b/net/ipv4/ipvs/ip_vs_sync.c index 28237a5f62e..de5e7e118ee 100644 --- a/net/ipv4/ipvs/ip_vs_sync.c +++ b/net/ipv4/ipvs/ip_vs_sync.c @@ -30,6 +30,7 @@ #include <linux/err.h> #include <linux/kthread.h> #include <linux/wait.h> +#include <linux/kernel.h> #include <net/ip.h> #include <net/sock.h> @@ -99,6 +100,7 @@ struct ip_vs_sync_thread_data { */ #define SYNC_MESG_HEADER_LEN 4 +#define MAX_CONNS_PER_SYNCBUFF 255 /* nr_conns in ip_vs_sync_mesg is 8 bit */ struct ip_vs_sync_mesg { __u8 nr_conns; @@ -516,8 +518,8 @@ static int set_sync_mesg_maxlen(int sync_state) num = (dev->mtu - sizeof(struct iphdr) - sizeof(struct udphdr) - SYNC_MESG_HEADER_LEN - 20) / SIMPLE_CONN_SIZE; - sync_send_mesg_maxlen = - SYNC_MESG_HEADER_LEN + SIMPLE_CONN_SIZE * num; + sync_send_mesg_maxlen = SYNC_MESG_HEADER_LEN + + SIMPLE_CONN_SIZE * min(num, MAX_CONNS_PER_SYNCBUFF); IP_VS_DBG(7, "setting the maximum length of sync sending " "message %d.\n", sync_send_mesg_maxlen); } else if (sync_state == IP_VS_STATE_BACKUP) { |