diff options
Diffstat (limited to 'drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c | 42 |
1 files changed, 19 insertions, 23 deletions
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c index 08e4afc0ab39..05539321ba3a 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c @@ -15,6 +15,7 @@ #include <linux/netdevice.h> #include <linux/netdev_features.h> +#include <linux/if_arp.h> #include "rmnet_private.h" #include "rmnet_config.h" #include "rmnet_vnd.h" @@ -104,6 +105,15 @@ rmnet_map_ingress_handler(struct sk_buff *skb, { struct sk_buff *skbn; + if (skb->dev->type == ARPHRD_ETHER) { + if (pskb_expand_head(skb, ETH_HLEN, 0, GFP_KERNEL)) { + kfree_skb(skb); + return; + } + + skb_push(skb, ETH_HLEN); + } + if (port->ingress_data_format & RMNET_INGRESS_FORMAT_DEAGGREGATION) { while ((skbn = rmnet_map_deaggregate(skb)) != NULL) __rmnet_map_ingress_handler(skbn, port); @@ -133,20 +143,18 @@ static int rmnet_map_egress_handler(struct sk_buff *skb, if (!map_header) goto fail; - if (port->egress_data_format & RMNET_EGRESS_FORMAT_MUXING) { - if (mux_id == 0xff) - map_header->mux_id = 0; - else - map_header->mux_id = mux_id; - } + if (mux_id == 0xff) + map_header->mux_id = 0; + else + map_header->mux_id = mux_id; skb->protocol = htons(ETH_P_MAP); - return RMNET_MAP_SUCCESS; + return 0; fail: kfree_skb(skb); - return RMNET_MAP_CONSUMED; + return -ENOMEM; } static void @@ -178,8 +186,7 @@ rx_handler_result_t rmnet_rx_handler(struct sk_buff **pskb) switch (port->rmnet_mode) { case RMNET_EPMODE_VND: - if (port->ingress_data_format & RMNET_INGRESS_FORMAT_MAP) - rmnet_map_ingress_handler(skb, port); + rmnet_map_ingress_handler(skb, port); break; case RMNET_EPMODE_BRIDGE: rmnet_bridge_handler(skb, port->bridge_ep); @@ -212,19 +219,8 @@ void rmnet_egress_handler(struct sk_buff *skb) return; } - if (port->egress_data_format & RMNET_EGRESS_FORMAT_MAP) { - switch (rmnet_map_egress_handler(skb, port, mux_id, orig_dev)) { - case RMNET_MAP_CONSUMED: - return; - - case RMNET_MAP_SUCCESS: - break; - - default: - kfree_skb(skb); - return; - } - } + if (rmnet_map_egress_handler(skb, port, mux_id, orig_dev)) + return; rmnet_vnd_tx_fixup(skb, orig_dev); |