diff options
Diffstat (limited to 'drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c index 0be5ac7ab261..706a225075a3 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/* Copyright (c) 2013-2018, The Linux Foundation. All rights reserved. +/* Copyright (c) 2013-2018, 2021, The Linux Foundation. All rights reserved. * * RMNET Data ingress/egress handler */ @@ -82,11 +82,16 @@ __rmnet_map_ingress_handler(struct sk_buff *skb, skb->dev = ep->egress_dev; - /* Subtract MAP header */ - skb_pull(skb, sizeof(struct rmnet_map_header)); - rmnet_set_skb_proto(skb); - - if (port->data_format & RMNET_FLAGS_INGRESS_MAP_CKSUMV4) { + if ((port->data_format & RMNET_FLAGS_INGRESS_MAP_CKSUMV5) && + (map_header->flags & MAP_NEXT_HEADER_FLAG)) { + if (rmnet_map_process_next_hdr_packet(skb, len)) + goto free_skb; + skb_pull(skb, sizeof(*map_header)); + rmnet_set_skb_proto(skb); + } else if (port->data_format & RMNET_FLAGS_INGRESS_MAP_CKSUMV4) { + /* Subtract MAP header */ + skb_pull(skb, sizeof(*map_header)); + rmnet_set_skb_proto(skb); if (!rmnet_map_checksum_downlink_packet(skb, len + pad)) skb->ip_summed = CHECKSUM_UNNECESSARY; } |