From ca32fb034c19e00cfb5e0fd7217eb92f81302048 Mon Sep 17 00:00:00 2001 From: Subash Abhinov Kasiviswanathan Date: Thu, 26 Oct 2017 11:06:49 -0600 Subject: [PATCH] net: qualcomm: rmnet: Add support for GRO Add gro_cells so that rmnet devices can call gro_cells_receive instead of netif_receive_skb. Signed-off-by: Subash Abhinov Kasiviswanathan Cc: Eric Dumazet Signed-off-by: David S. Miller --- drivers/net/ethernet/qualcomm/rmnet/Kconfig | 1 + drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h | 2 ++ drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c | 4 +++- drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c | 8 ++++++++ 4 files changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/qualcomm/rmnet/Kconfig b/drivers/net/ethernet/qualcomm/rmnet/Kconfig index 6e2587af47a4..9bb06d284644 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/Kconfig +++ b/drivers/net/ethernet/qualcomm/rmnet/Kconfig @@ -5,6 +5,7 @@ menuconfig RMNET tristate "RmNet MAP driver" default n + select GRO_CELLS ---help--- If you select this, you will enable the RMNET module which is used for handling data in the multiplexing and aggregation protocol (MAP) diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h index 9586703d2d58..c19259eea99e 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h @@ -14,6 +14,7 @@ */ #include +#include #ifndef _RMNET_CONFIG_H_ #define _RMNET_CONFIG_H_ @@ -58,6 +59,7 @@ struct rmnet_priv { u8 mux_id; struct net_device *real_dev; struct rmnet_pcpu_stats __percpu *pcpu_stats; + struct gro_cells gro_cells; }; struct rmnet_port *rmnet_get_port(struct net_device *real_dev); diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c index 1ea978335da3..29842ccc91a9 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c @@ -46,13 +46,15 @@ static void rmnet_set_skb_proto(struct sk_buff *skb) static void rmnet_deliver_skb(struct sk_buff *skb) { + struct rmnet_priv *priv = netdev_priv(skb->dev); + skb_reset_transport_header(skb); skb_reset_network_header(skb); rmnet_vnd_rx_fixup(skb, skb->dev); skb->pkt_type = PACKET_HOST; skb_set_mac_header(skb, 0); - netif_receive_skb(skb); + gro_cells_receive(&priv->gro_cells, skb); } /* MAP handler */ diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c index b0befa18cb10..9caa5e387450 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c @@ -87,11 +87,18 @@ static int rmnet_vnd_get_iflink(const struct net_device *dev) static int rmnet_vnd_init(struct net_device *dev) { struct rmnet_priv *priv = netdev_priv(dev); + int err; priv->pcpu_stats = alloc_percpu(struct rmnet_pcpu_stats); if (!priv->pcpu_stats) return -ENOMEM; + err = gro_cells_init(&priv->gro_cells, dev); + if (err) { + free_percpu(priv->pcpu_stats); + return err; + } + return 0; } @@ -99,6 +106,7 @@ static void rmnet_vnd_uninit(struct net_device *dev) { struct rmnet_priv *priv = netdev_priv(dev); + gro_cells_destroy(&priv->gro_cells); free_percpu(priv->pcpu_stats); } -- 2.11.0