diff options
| author |   Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> | 2017-10-11 18:43:58 -0600 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-10-11 20:05:30 -0700 |
| commit | 60d58f971c1077a0f2467b2d5bc38058df43a819 (patch) | |
| tree | 77496d72c8eeebcf7fed9bc7fb43c354a97fd990 /drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c | |
| parent | net: qualcomm: rmnet: Convert the muxed endpoint to hlist (diff) | |
| download | linux-dev-60d58f971c1077a0f2467b2d5bc38058df43a819.tar.xz linux-dev-60d58f971c1077a0f2467b2d5bc38058df43a819.zip | |
net: qualcomm: rmnet: Implement bridge mode
Add support to bridge two devices which can send multiplexing and
aggregation (MAP) data. This is done only when the data itself is
not going to be consumed in the stack but is being passed on to a
different endpoint. This is mainly used for testing.
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c index fa24ffb69713..df3d2d16ce55 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c @@ -149,6 +149,17 @@ static int rmnet_map_egress_handler(struct sk_buff *skb, return RMNET_MAP_SUCCESS; } +static rx_handler_result_t +rmnet_bridge_handler(struct sk_buff *skb, struct net_device *bridge_dev) +{ + if (bridge_dev) { + skb->dev = bridge_dev; + dev_queue_xmit(skb); + } + + return RX_HANDLER_CONSUMED; +} + /* Ingress / Egress Entry Points */ /* Processes packet as per ingress data format for receiving device. Logical @@ -157,10 +168,10 @@ static int rmnet_map_egress_handler(struct sk_buff *skb, */ rx_handler_result_t rmnet_rx_handler(struct sk_buff **pskb) { - struct rmnet_port *port; + int rc = RX_HANDLER_CONSUMED; struct sk_buff *skb = *pskb; + struct rmnet_port *port; struct net_device *dev; - int rc; if (!skb) return RX_HANDLER_CONSUMED; @@ -168,8 +179,15 @@ rx_handler_result_t rmnet_rx_handler(struct sk_buff **pskb) dev = skb->dev; port = rmnet_get_port(dev); - if (port->ingress_data_format & RMNET_INGRESS_FORMAT_MAP) - rc = rmnet_map_ingress_handler(skb, port); + switch (port->rmnet_mode) { + case RMNET_EPMODE_VND: + if (port->ingress_data_format & RMNET_INGRESS_FORMAT_MAP) + rc = rmnet_map_ingress_handler(skb, port); + break; + case RMNET_EPMODE_BRIDGE: + rc = rmnet_bridge_handler(skb, port->bridge_ep); + break; + } return rc; } |