diff options
Diffstat (limited to 'drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c index 8f8c4f205166..340945857d23 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c @@ -66,8 +66,8 @@ __rmnet_map_ingress_handler(struct sk_buff *skb, struct rmnet_port *port) { struct rmnet_endpoint *ep; + u16 len, pad; u8 mux_id; - u16 len; if (RMNET_MAP_GET_CD_BIT(skb)) { if (port->data_format & RMNET_INGRESS_FORMAT_MAP_COMMANDS) @@ -77,7 +77,8 @@ __rmnet_map_ingress_handler(struct sk_buff *skb, } mux_id = RMNET_MAP_GET_MUX_ID(skb); - len = RMNET_MAP_GET_LENGTH(skb) - RMNET_MAP_GET_PAD(skb); + pad = RMNET_MAP_GET_PAD(skb); + len = RMNET_MAP_GET_LENGTH(skb) - pad; if (mux_id >= RMNET_MAX_LOGICAL_EP) goto free_skb; @@ -90,8 +91,14 @@ __rmnet_map_ingress_handler(struct sk_buff *skb, /* Subtract MAP header */ skb_pull(skb, sizeof(struct rmnet_map_header)); - skb_trim(skb, len); rmnet_set_skb_proto(skb); + + if (port->data_format & RMNET_INGRESS_FORMAT_MAP_CKSUMV4) { + if (!rmnet_map_checksum_downlink_packet(skb, len + pad)) + skb->ip_summed = CHECKSUM_UNNECESSARY; + } + + skb_trim(skb, len); rmnet_deliver_skb(skb); return; @@ -115,7 +122,7 @@ rmnet_map_ingress_handler(struct sk_buff *skb, } if (port->data_format & RMNET_INGRESS_FORMAT_DEAGGREGATION) { - while ((skbn = rmnet_map_deaggregate(skb)) != NULL) + while ((skbn = rmnet_map_deaggregate(skb, port)) != NULL) __rmnet_map_ingress_handler(skbn, port); consume_skb(skb); |