From: Subash Abhinov Kasiviswanathan Date: Sun, 3 Sep 2017 05:30:46 +0000 (-0600) Subject: net: qualcomm: rmnet: Rename real_dev_info to port X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b665f4f82d31c17926df3ac7c4a59bbff7af463b;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git net: qualcomm: rmnet: Rename real_dev_info to port Make it similar to drivers like ipvlan / macvlan so it is easier to read. Signed-off-by: Subash Abhinov Kasiviswanathan Cc: Dan Williams Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c index 6f21cd018a79..98f22551eb45 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c @@ -46,7 +46,7 @@ struct rmnet_walk_data { struct net_device *real_dev; struct list_head *head; - struct rmnet_real_dev_info *real_dev_info; + struct rmnet_port *port; }; static int rmnet_is_real_dev_registered(const struct net_device *real_dev) @@ -58,8 +58,8 @@ static int rmnet_is_real_dev_registered(const struct net_device *real_dev) } /* Needs rtnl lock */ -static struct rmnet_real_dev_info* -rmnet_get_real_dev_info_rtnl(const struct net_device *real_dev) +static struct rmnet_port* +rmnet_get_port_rtnl(const struct net_device *real_dev) { return rtnl_dereference(real_dev->rx_handler_data); } @@ -67,27 +67,27 @@ rmnet_get_real_dev_info_rtnl(const struct net_device *real_dev) static struct rmnet_endpoint* rmnet_get_endpoint(struct net_device *dev, int config_id) { - struct rmnet_real_dev_info *r; struct rmnet_endpoint *ep; + struct rmnet_port *port; if (!rmnet_is_real_dev_registered(dev)) { ep = rmnet_vnd_get_endpoint(dev); } else { - r = rmnet_get_real_dev_info_rtnl(dev); + port = rmnet_get_port_rtnl(dev); - ep = &r->muxed_ep[config_id]; + ep = &port->muxed_ep[config_id]; } return ep; } static int rmnet_unregister_real_device(struct net_device *real_dev, - struct rmnet_real_dev_info *r) + struct rmnet_port *port) { - if (r->nr_rmnet_devs) + if (port->nr_rmnet_devs) return -EINVAL; - kfree(r); + kfree(port); netdev_rx_handler_unregister(real_dev); @@ -100,7 +100,7 @@ static int rmnet_unregister_real_device(struct net_device *real_dev, static int rmnet_register_real_device(struct net_device *real_dev) { - struct rmnet_real_dev_info *r; + struct rmnet_port *port; int rc; ASSERT_RTNL(); @@ -108,14 +108,14 @@ static int rmnet_register_real_device(struct net_device *real_dev) if (rmnet_is_real_dev_registered(real_dev)) return 0; - r = kzalloc(sizeof(*r), GFP_ATOMIC); - if (!r) + port = kzalloc(sizeof(*port), GFP_ATOMIC); + if (!port) return -ENOMEM; - r->dev = real_dev; - rc = netdev_rx_handler_register(real_dev, rmnet_rx_handler, r); + port->dev = real_dev; + rc = netdev_rx_handler_register(real_dev, rmnet_rx_handler, port); if (rc) { - kfree(r); + kfree(port); return -EBUSY; } @@ -154,9 +154,9 @@ static int rmnet_newlink(struct net *src_net, struct net_device *dev, RMNET_INGRESS_FORMAT_MAP; int egress_format = RMNET_EGRESS_FORMAT_MUXING | RMNET_EGRESS_FORMAT_MAP; - struct rmnet_real_dev_info *r; struct net_device *real_dev; int mode = RMNET_EPMODE_VND; + struct rmnet_port *port; int err = 0; u16 mux_id; @@ -173,8 +173,8 @@ static int rmnet_newlink(struct net *src_net, struct net_device *dev, if (err) goto err0; - r = rmnet_get_real_dev_info_rtnl(real_dev); - err = rmnet_vnd_newlink(mux_id, dev, r, real_dev); + port = rmnet_get_port_rtnl(real_dev); + err = rmnet_vnd_newlink(mux_id, dev, port, real_dev); if (err) goto err1; @@ -184,25 +184,25 @@ static int rmnet_newlink(struct net *src_net, struct net_device *dev, netdev_dbg(dev, "data format [ingress 0x%08X] [egress 0x%08X]\n", ingress_format, egress_format); - r->egress_data_format = egress_format; - r->ingress_data_format = ingress_format; + port->egress_data_format = egress_format; + port->ingress_data_format = ingress_format; rmnet_set_endpoint_config(real_dev, mux_id, mode, dev); rmnet_set_endpoint_config(dev, mux_id, mode, real_dev); return 0; err2: - rmnet_vnd_dellink(mux_id, r); + rmnet_vnd_dellink(mux_id, port); err1: - rmnet_unregister_real_device(real_dev, r); + rmnet_unregister_real_device(real_dev, port); err0: return err; } static void rmnet_dellink(struct net_device *dev, struct list_head *head) { - struct rmnet_real_dev_info *r; struct net_device *real_dev; + struct rmnet_port *port; u8 mux_id; rcu_read_lock(); @@ -212,12 +212,12 @@ static void rmnet_dellink(struct net_device *dev, struct list_head *head) if (!real_dev || !rmnet_is_real_dev_registered(real_dev)) return; - r = rmnet_get_real_dev_info_rtnl(real_dev); + port = rmnet_get_port_rtnl(real_dev); mux_id = rmnet_vnd_get_mux(dev); - rmnet_vnd_dellink(mux_id, r); + rmnet_vnd_dellink(mux_id, port); netdev_upper_dev_unlink(dev, real_dev); - rmnet_unregister_real_device(real_dev, r); + rmnet_unregister_real_device(real_dev, port); unregister_netdevice_queue(dev, head); } @@ -229,7 +229,7 @@ static int rmnet_dev_walk_unreg(struct net_device *rmnet_dev, void *data) mux_id = rmnet_vnd_get_mux(rmnet_dev); - rmnet_vnd_dellink(mux_id, d->real_dev_info); + rmnet_vnd_dellink(mux_id, d->port); netdev_upper_dev_unlink(rmnet_dev, d->real_dev); unregister_netdevice_queue(rmnet_dev, d->head); @@ -239,8 +239,8 @@ static int rmnet_dev_walk_unreg(struct net_device *rmnet_dev, void *data) static void rmnet_force_unassociate_device(struct net_device *dev) { struct net_device *real_dev = dev; - struct rmnet_real_dev_info *r; struct rmnet_walk_data d; + struct rmnet_port *port; LIST_HEAD(list); if (!rmnet_is_real_dev_registered(real_dev)) @@ -251,15 +251,15 @@ static void rmnet_force_unassociate_device(struct net_device *dev) d.real_dev = real_dev; d.head = &list; - r = rmnet_get_real_dev_info_rtnl(dev); - d.real_dev_info = r; + port = rmnet_get_port_rtnl(dev); + d.port = port; rcu_read_lock(); netdev_walk_all_lower_dev_rcu(real_dev, rmnet_dev_walk_unreg, &d); rcu_read_unlock(); unregister_netdevice_many(&list); - rmnet_unregister_real_device(real_dev, r); + rmnet_unregister_real_device(real_dev, port); } static int rmnet_config_notify_cb(struct notifier_block *nb, @@ -319,8 +319,7 @@ struct rtnl_link_ops rmnet_link_ops __read_mostly = { }; /* Needs either rcu_read_lock() or rtnl lock */ -struct rmnet_real_dev_info* -rmnet_get_real_dev_info(struct net_device *real_dev) +struct rmnet_port *rmnet_get_port(struct net_device *real_dev) { if (rmnet_is_real_dev_registered(real_dev)) return rcu_dereference_rtnl(real_dev->rx_handler_data); diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h index 3212b25ad2bc..dde4e9f14f4a 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h @@ -32,7 +32,7 @@ struct rmnet_endpoint { /* One instance of this structure is instantiated for each real_dev associated * with rmnet. */ -struct rmnet_real_dev_info { +struct rmnet_port { struct net_device *dev; struct rmnet_endpoint local_ep; struct rmnet_endpoint muxed_ep[RMNET_MAX_LOGICAL_EP]; @@ -50,7 +50,6 @@ struct rmnet_priv { struct net_device *real_dev; }; -struct rmnet_real_dev_info* -rmnet_get_real_dev_info(struct net_device *real_dev); +struct rmnet_port *rmnet_get_port(struct net_device *real_dev); #endif /* _RMNET_CONFIG_H_ */ diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c index 7dab3bbfeda5..540c7622dcb1 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c @@ -82,32 +82,32 @@ rmnet_deliver_skb(struct sk_buff *skb, struct rmnet_endpoint *ep) static rx_handler_result_t rmnet_ingress_deliver_packet(struct sk_buff *skb, - struct rmnet_real_dev_info *r) + struct rmnet_port *port) { - if (!r) { + if (!port) { kfree_skb(skb); return RX_HANDLER_CONSUMED; } - skb->dev = r->local_ep.egress_dev; + skb->dev = port->local_ep.egress_dev; - return rmnet_deliver_skb(skb, &r->local_ep); + return rmnet_deliver_skb(skb, &port->local_ep); } /* MAP handler */ static rx_handler_result_t __rmnet_map_ingress_handler(struct sk_buff *skb, - struct rmnet_real_dev_info *r) + struct rmnet_port *port) { struct rmnet_endpoint *ep; u8 mux_id; u16 len; if (RMNET_MAP_GET_CD_BIT(skb)) { - if (r->ingress_data_format + if (port->ingress_data_format & RMNET_INGRESS_FORMAT_MAP_COMMANDS) - return rmnet_map_command(skb, r); + return rmnet_map_command(skb, port); kfree_skb(skb); return RX_HANDLER_CONSUMED; @@ -121,9 +121,9 @@ __rmnet_map_ingress_handler(struct sk_buff *skb, return RX_HANDLER_CONSUMED; } - ep = &r->muxed_ep[mux_id]; + ep = &port->muxed_ep[mux_id]; - if (r->ingress_data_format & RMNET_INGRESS_FORMAT_DEMUXING) + if (port->ingress_data_format & RMNET_INGRESS_FORMAT_DEMUXING) skb->dev = ep->egress_dev; /* Subtract MAP header */ @@ -135,26 +135,26 @@ __rmnet_map_ingress_handler(struct sk_buff *skb, static rx_handler_result_t rmnet_map_ingress_handler(struct sk_buff *skb, - struct rmnet_real_dev_info *r) + struct rmnet_port *port) { struct sk_buff *skbn; int rc; - if (r->ingress_data_format & RMNET_INGRESS_FORMAT_DEAGGREGATION) { - while ((skbn = rmnet_map_deaggregate(skb, r)) != NULL) - __rmnet_map_ingress_handler(skbn, r); + if (port->ingress_data_format & RMNET_INGRESS_FORMAT_DEAGGREGATION) { + while ((skbn = rmnet_map_deaggregate(skb)) != NULL) + __rmnet_map_ingress_handler(skbn, port); consume_skb(skb); rc = RX_HANDLER_CONSUMED; } else { - rc = __rmnet_map_ingress_handler(skb, r); + rc = __rmnet_map_ingress_handler(skb, port); } return rc; } static int rmnet_map_egress_handler(struct sk_buff *skb, - struct rmnet_real_dev_info *r, + struct rmnet_port *port, struct rmnet_endpoint *ep, struct net_device *orig_dev) { @@ -173,7 +173,7 @@ static int rmnet_map_egress_handler(struct sk_buff *skb, if (!map_header) return RMNET_MAP_CONSUMED; - if (r->egress_data_format & RMNET_EGRESS_FORMAT_MUXING) { + if (port->egress_data_format & RMNET_EGRESS_FORMAT_MUXING) { if (ep->mux_id == 0xff) map_header->mux_id = 0; else @@ -193,7 +193,7 @@ static int rmnet_map_egress_handler(struct sk_buff *skb, */ rx_handler_result_t rmnet_rx_handler(struct sk_buff **pskb) { - struct rmnet_real_dev_info *r; + struct rmnet_port *port; struct sk_buff *skb = *pskb; struct net_device *dev; int rc; @@ -202,16 +202,16 @@ rx_handler_result_t rmnet_rx_handler(struct sk_buff **pskb) return RX_HANDLER_CONSUMED; dev = skb->dev; - r = rmnet_get_real_dev_info(dev); + port = rmnet_get_port(dev); - if (r->ingress_data_format & RMNET_INGRESS_FORMAT_MAP) { - rc = rmnet_map_ingress_handler(skb, r); + if (port->ingress_data_format & RMNET_INGRESS_FORMAT_MAP) { + rc = rmnet_map_ingress_handler(skb, port); } else { switch (ntohs(skb->protocol)) { case ETH_P_MAP: - if (r->local_ep.rmnet_mode == + if (port->local_ep.rmnet_mode == RMNET_EPMODE_BRIDGE) { - rc = rmnet_ingress_deliver_packet(skb, r); + rc = rmnet_ingress_deliver_packet(skb, port); } else { kfree_skb(skb); rc = RX_HANDLER_CONSUMED; @@ -220,7 +220,7 @@ rx_handler_result_t rmnet_rx_handler(struct sk_buff **pskb) case ETH_P_IP: case ETH_P_IPV6: - rc = rmnet_ingress_deliver_packet(skb, r); + rc = rmnet_ingress_deliver_packet(skb, port); break; default: @@ -238,20 +238,20 @@ rx_handler_result_t rmnet_rx_handler(struct sk_buff **pskb) void rmnet_egress_handler(struct sk_buff *skb, struct rmnet_endpoint *ep) { - struct rmnet_real_dev_info *r; struct net_device *orig_dev; + struct rmnet_port *port; orig_dev = skb->dev; skb->dev = ep->egress_dev; - r = rmnet_get_real_dev_info(skb->dev); - if (!r) { + port = rmnet_get_port(skb->dev); + if (!port) { kfree_skb(skb); return; } - if (r->egress_data_format & RMNET_EGRESS_FORMAT_MAP) { - switch (rmnet_map_egress_handler(skb, r, ep, orig_dev)) { + if (port->egress_data_format & RMNET_EGRESS_FORMAT_MAP) { + switch (rmnet_map_egress_handler(skb, port, ep, orig_dev)) { case RMNET_MAP_CONSUMED: return; diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h index 2aabad289b10..ce2302c25b12 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h @@ -77,12 +77,10 @@ struct rmnet_map_header { #define RMNET_MAP_ADD_PAD_BYTES 1 u8 rmnet_map_demultiplex(struct sk_buff *skb); -struct sk_buff *rmnet_map_deaggregate(struct sk_buff *skb, - struct rmnet_real_dev_info *rdinfo); - +struct sk_buff *rmnet_map_deaggregate(struct sk_buff *skb); struct rmnet_map_header *rmnet_map_add_map_header(struct sk_buff *skb, int hdrlen, int pad); rx_handler_result_t rmnet_map_command(struct sk_buff *skb, - struct rmnet_real_dev_info *rdinfo); + struct rmnet_port *port); #endif /* _RMNET_MAP_H_ */ diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_command.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_command.c index ccded40ee551..d1ea5e21b982 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_command.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_command.c @@ -17,7 +17,7 @@ #include "rmnet_vnd.h" static u8 rmnet_map_do_flow_control(struct sk_buff *skb, - struct rmnet_real_dev_info *rdinfo, + struct rmnet_port *rdinfo, int enable) { struct rmnet_map_control_command *cmd; @@ -58,8 +58,7 @@ static u8 rmnet_map_do_flow_control(struct sk_buff *skb, } static void rmnet_map_send_ack(struct sk_buff *skb, - unsigned char type, - struct rmnet_real_dev_info *rdinfo) + unsigned char type) { struct rmnet_map_control_command *cmd; int xmit_status; @@ -78,7 +77,7 @@ static void rmnet_map_send_ack(struct sk_buff *skb, * name is decoded here and appropriate handler is called. */ rx_handler_result_t rmnet_map_command(struct sk_buff *skb, - struct rmnet_real_dev_info *rdinfo) + struct rmnet_port *port) { struct rmnet_map_control_command *cmd; unsigned char command_name; @@ -89,11 +88,11 @@ rx_handler_result_t rmnet_map_command(struct sk_buff *skb, switch (command_name) { case RMNET_MAP_COMMAND_FLOW_ENABLE: - rc = rmnet_map_do_flow_control(skb, rdinfo, 1); + rc = rmnet_map_do_flow_control(skb, port, 1); break; case RMNET_MAP_COMMAND_FLOW_DISABLE: - rc = rmnet_map_do_flow_control(skb, rdinfo, 0); + rc = rmnet_map_do_flow_control(skb, port, 0); break; default: @@ -102,6 +101,6 @@ rx_handler_result_t rmnet_map_command(struct sk_buff *skb, break; } if (rc == RMNET_MAP_COMMAND_ACK) - rmnet_map_send_ack(skb, rc, rdinfo); + rmnet_map_send_ack(skb, rc); return RX_HANDLER_CONSUMED; } diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c index a29c476a4755..557c9bf1a469 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c @@ -69,8 +69,7 @@ done: * returned, indicating that there are no more packets to deaggregate. Caller * is responsible for freeing the original skb. */ -struct sk_buff *rmnet_map_deaggregate(struct sk_buff *skb, - struct rmnet_real_dev_info *rdinfo) +struct sk_buff *rmnet_map_deaggregate(struct sk_buff *skb) { struct rmnet_map_header *maph; struct sk_buff *skbn; diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c index f5c63b78338b..7f90d5587653 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c @@ -99,19 +99,20 @@ void rmnet_vnd_setup(struct net_device *rmnet_dev) /* Exposed API */ int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev, - struct rmnet_real_dev_info *r, + struct rmnet_port *port, struct net_device *real_dev) { struct rmnet_priv *priv; int rc; - if (r->rmnet_devices[id]) + if (port->rmnet_devices[id]) return -EINVAL; rc = register_netdevice(rmnet_dev); if (!rc) { - r->rmnet_devices[id] = rmnet_dev; - r->nr_rmnet_devs++; + port->rmnet_devices[id] = rmnet_dev; + port->nr_rmnet_devs++; + rmnet_dev->rtnl_link_ops = &rmnet_link_ops; priv = netdev_priv(rmnet_dev); @@ -124,13 +125,13 @@ int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev, return rc; } -int rmnet_vnd_dellink(u8 id, struct rmnet_real_dev_info *r) +int rmnet_vnd_dellink(u8 id, struct rmnet_port *port) { - if (id >= RMNET_MAX_LOGICAL_EP || !r->rmnet_devices[id]) + if (id >= RMNET_MAX_LOGICAL_EP || !port->rmnet_devices[id]) return -EINVAL; - r->rmnet_devices[id] = NULL; - r->nr_rmnet_devs--; + port->rmnet_devices[id] = NULL; + port->nr_rmnet_devs--; return 0; } diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.h b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.h index 9084e447eba8..8a4042f0f6bf 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.h +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.h @@ -19,9 +19,9 @@ int rmnet_vnd_do_flow_control(struct net_device *dev, int enable); struct rmnet_endpoint *rmnet_vnd_get_endpoint(struct net_device *dev); int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev, - struct rmnet_real_dev_info *r, + struct rmnet_port *port, struct net_device *real_dev); -int rmnet_vnd_dellink(u8 id, struct rmnet_real_dev_info *r); +int rmnet_vnd_dellink(u8 id, struct rmnet_port *port); void rmnet_vnd_rx_fixup(struct sk_buff *skb, struct net_device *dev); void rmnet_vnd_tx_fixup(struct sk_buff *skb, struct net_device *dev); u8 rmnet_vnd_get_mux(struct net_device *rmnet_dev);