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Commit 1bbdfd34 authored by Conner Huff's avatar Conner Huff
Browse files

drivers: net: rmnet: Enable data path traces 



Traces which allow for the interpretation of timing within
rmnet driver for certain scenarios.

Change-Id: Ia267e68c25f918d988fb97f760b9d03d7243930e
Signed-off-by: default avatarConner Huff <chuff@codeaurora.org>
parent f6f026ce

drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h

+15 −0
Original line number Diff line number Diff line
@@ -110,6 +110,21 @@ struct rmnet_priv { 
	void __rcu *qos_info;

};



enum rmnet_trace_func {

	RMNET_MODULE,

	NW_STACK_MODULE,

};



enum rmnet_trace_evt {

	RMNET_PERF_DLVR_SKB,

	RMNET_RCV_FROM_PND,

	RMNET_PERF_TX_UL_PKT,

	RMNET_DEV_Q_XMIT,

	RMNET_NAPI_GRO_FLUSH,

	RMNET_NW_STACK_RX,

	RMNET_NW_STACK_TX,

};



int rmnet_is_real_dev_registered(const struct net_device *real_dev);

struct rmnet_port *rmnet_get_port(struct net_device *real_dev);

struct rmnet_endpoint *rmnet_get_endpoint(struct rmnet_port *port, u8 mux_id);

drivers/net/ethernet/qualcomm/rmnet/rmnet_handlers.c

+6 −0
Original line number Diff line number Diff line
@@ -80,6 +80,8 @@ rmnet_deliver_skb(struct sk_buff *skb, struct rmnet_port *port) 
	int (*rmnet_shs_stamp)(struct sk_buff *skb, struct rmnet_port *port);

	struct rmnet_priv *priv = netdev_priv(skb->dev);



	trace_rmnet_perf_low(RMNET_MODULE, RMNET_PERF_DLVR_SKB, 0xDEF, 0xDEF,

			     0xDEF, 0xDEF, NULL, NULL);

	skb_reset_transport_header(skb);

	skb_reset_network_header(skb);

	rmnet_vnd_rx_fixup(skb->dev, skb->len);
@@ -303,6 +305,8 @@ rx_handler_result_t rmnet_rx_handler(struct sk_buff **pskb) 
	if (skb->pkt_type == PACKET_LOOPBACK)

		return RX_HANDLER_PASS;



	trace_rmnet_perf_low(RMNET_MODULE, RMNET_RCV_FROM_PND, 0xDEF,

			     0xDEF, 0xDEF, 0xDEF, NULL, NULL);

	dev = skb->dev;

	port = rmnet_get_port(dev);
@@ -333,6 +337,8 @@ void rmnet_egress_handler(struct sk_buff *skb) 
	int err;

	u32 skb_len;



	trace_rmnet_perf_low(RMNET_MODULE, RMNET_PERF_TX_UL_PKT, 0xDEF, 0xDEF,

			     0xDEF, 0xDEF, (void *)skb, NULL);

	sk_pacing_shift_update(skb->sk, 8);



	orig_dev = skb->dev;