From: Nikolay Martynov Date: Thu, 17 Nov 2016 03:26:17 +0000 (-0500) Subject: IPv6 packet size field doesn't include header size, take this into account X-Git-Tag: v7.08~3 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=575ae537cb4d62a6fd4cf2340cb1b513aad8f0da;p=users%2Fdwmw2%2Fopenconnect.git IPv6 packet size field doesn't include header size, take this into account IPv6 packet's 'length' field contains length of payload excluding headers. Header's length (40) needs to be added to that to get complete packet length. This patch seems to be fixing random VPN drops. Signed-off-by: Nikolay Martynov Signed-off-by: David Woodhouse --- diff --git a/oncp.c b/oncp.c index b0f6d12a..3c7cfa1e 100644 --- a/oncp.c +++ b/oncp.c @@ -1002,7 +1002,7 @@ int oncp_mainloop(struct openconnect_info *vpninfo, int *timeout) iplen = load_be16(vpninfo->cstp_pkt->data + 2); break; case 6: - iplen = load_be16(vpninfo->cstp_pkt->data + 4); + iplen = load_be16(vpninfo->cstp_pkt->data + 4) + 40; break; default: badiplen: