net: qualcomm: rmnet: Remove existing logic for bridge mode
This will be rewritten in the following patches. Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -34,7 +34,6 @@ struct rmnet_endpoint {
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*/
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struct rmnet_port {
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struct net_device *dev;
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struct rmnet_endpoint local_ep;
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struct rmnet_endpoint muxed_ep[RMNET_MAX_LOGICAL_EP];
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u32 ingress_data_format;
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u32 egress_data_format;
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@ -44,56 +44,18 @@ static void rmnet_set_skb_proto(struct sk_buff *skb)
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/* Generic handler */
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static rx_handler_result_t
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rmnet_bridge_handler(struct sk_buff *skb, struct rmnet_endpoint *ep)
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rmnet_deliver_skb(struct sk_buff *skb)
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{
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if (!ep->egress_dev)
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kfree_skb(skb);
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else
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rmnet_egress_handler(skb, ep);
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skb_reset_transport_header(skb);
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skb_reset_network_header(skb);
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rmnet_vnd_rx_fixup(skb, skb->dev);
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skb->pkt_type = PACKET_HOST;
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skb_set_mac_header(skb, 0);
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netif_receive_skb(skb);
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return RX_HANDLER_CONSUMED;
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}
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static rx_handler_result_t
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rmnet_deliver_skb(struct sk_buff *skb, struct rmnet_endpoint *ep)
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{
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switch (ep->rmnet_mode) {
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case RMNET_EPMODE_NONE:
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return RX_HANDLER_PASS;
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case RMNET_EPMODE_BRIDGE:
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return rmnet_bridge_handler(skb, ep);
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case RMNET_EPMODE_VND:
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skb_reset_transport_header(skb);
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skb_reset_network_header(skb);
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rmnet_vnd_rx_fixup(skb, skb->dev);
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skb->pkt_type = PACKET_HOST;
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skb_set_mac_header(skb, 0);
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netif_receive_skb(skb);
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return RX_HANDLER_CONSUMED;
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default:
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kfree_skb(skb);
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return RX_HANDLER_CONSUMED;
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}
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}
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static rx_handler_result_t
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rmnet_ingress_deliver_packet(struct sk_buff *skb,
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struct rmnet_port *port)
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{
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if (!port) {
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kfree_skb(skb);
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return RX_HANDLER_CONSUMED;
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}
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skb->dev = port->local_ep.egress_dev;
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return rmnet_deliver_skb(skb, &port->local_ep);
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}
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/* MAP handler */
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static rx_handler_result_t
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@ -130,7 +92,7 @@ __rmnet_map_ingress_handler(struct sk_buff *skb,
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skb_pull(skb, sizeof(struct rmnet_map_header));
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skb_trim(skb, len);
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rmnet_set_skb_proto(skb);
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return rmnet_deliver_skb(skb, ep);
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return rmnet_deliver_skb(skb);
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}
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static rx_handler_result_t
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@ -204,29 +166,8 @@ rx_handler_result_t rmnet_rx_handler(struct sk_buff **pskb)
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dev = skb->dev;
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port = rmnet_get_port(dev);
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if (port->ingress_data_format & RMNET_INGRESS_FORMAT_MAP) {
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if (port->ingress_data_format & RMNET_INGRESS_FORMAT_MAP)
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rc = rmnet_map_ingress_handler(skb, port);
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} else {
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switch (ntohs(skb->protocol)) {
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case ETH_P_MAP:
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if (port->local_ep.rmnet_mode ==
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RMNET_EPMODE_BRIDGE) {
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rc = rmnet_ingress_deliver_packet(skb, port);
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} else {
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kfree_skb(skb);
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rc = RX_HANDLER_CONSUMED;
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}
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break;
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case ETH_P_IP:
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case ETH_P_IPV6:
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rc = rmnet_ingress_deliver_packet(skb, port);
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break;
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default:
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rc = RX_HANDLER_PASS;
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}
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}
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return rc;
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}
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