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Commit d75403bb authored by Michael Adisumarta's avatar Michael Adisumarta
Browse files

msm: ipa5: Adding rmnet_ll module APIs to ipa_fmwk 



To support 2 new low latency data pipes for LA.

Change-Id: Icb001633adcf379d752371d83c55b76193452df8
Signed-off-by: default avatarMichael Adisumarta <madisuma@codeaurora.org>
parent fe3afbfb

drivers/platform/msm/ipa_fmwk/ipa_fmwk.c

+59 −0
Original line number Diff line number Diff line
@@ -211,6 +211,20 @@ struct ipa_fmwk_contex { 


	int (*ipa_deregister_intf)(const char *name);



	/* rmnet_ll APIs */

	int (*ipa_rmnet_ll_xmit)(struct sk_buff *skb);



	int (*ipa_register_rmnet_ll_cb)(

		void (*ipa_rmnet_ll_ready_cb)(void *user_data1),

		void *user_data1,

		void (*ipa_rmnet_ll_stop_cb)(void *user_data2),

		void *user_data2,

		void (*ipa_rmnet_ll_rx_notify_cb)(

			void *user_data3, void *rx_data),

		void *user_data3);



	int (*ipa_unregister_rmnet_ll_cb)(void);



	/* ipa_usb APIs */

	int (*ipa_usb_init_teth_prot)(enum ipa_usb_teth_prot teth_prot,

		struct ipa_usb_teth_params *teth_params,
@@ -526,6 +540,10 @@ int ipa_fmwk_register_ipa(const struct ipa_core_data *in) 
	ipa_fmwk_ctx->ipa_disconnect_wdi_pipe = in->ipa_disconnect_wdi_pipe;

	ipa_fmwk_ctx->ipa_reg_uc_rdyCB = in->ipa_uc_reg_rdyCB;

	ipa_fmwk_ctx->ipa_dereg_uc_rdyCB = in->ipa_uc_dereg_rdyCB;

	ipa_fmwk_ctx->ipa_rmnet_ll_xmit = in->ipa_rmnet_ll_xmit;

	ipa_fmwk_ctx->ipa_register_rmnet_ll_cb = in->ipa_register_rmnet_ll_cb;

	ipa_fmwk_ctx->ipa_unregister_rmnet_ll_cb =

		in->ipa_unregister_rmnet_ll_cb;



	ipa_fmwk_ctx->ipa_ready = true;

	ipa_trigger_ipa_ready_cbs();
@@ -984,6 +1002,47 @@ int ipa_unregister_rmnet_ctl_cb(void) 
}

EXPORT_SYMBOL(ipa_unregister_rmnet_ctl_cb);



/* registration API for rmnet_ll module */

int ipa_rmnet_ll_xmit(struct sk_buff *skb)

{

	int ret;



	IPA_FMWK_DISPATCH_RETURN(ipa_rmnet_ll_xmit, skb);



	return ret;

}

EXPORT_SYMBOL(ipa_rmnet_ll_xmit);



int ipa_register_rmnet_ll_cb(

	void (*ipa_rmnet_ll_ready_cb)(void *user_data1),

	void *user_data1,

	void (*ipa_rmnet_ll_stop_cb)(void *user_data2),

	void *user_data2,

	void (*ipa_rmnet_ll_rx_notify_cb)(

		void *user_data3, void *rx_data),

	void *user_data3)

{

	int ret;



	IPA_FMWK_DISPATCH_RETURN(ipa_register_rmnet_ll_cb,

		ipa_rmnet_ll_ready_cb, user_data1,

		ipa_rmnet_ll_stop_cb, user_data2,

		ipa_rmnet_ll_rx_notify_cb, user_data3);



	return ret;

}

EXPORT_SYMBOL(ipa_register_rmnet_ll_cb);



int ipa_unregister_rmnet_ll_cb(void)

{

	int ret;



	IPA_FMWK_DISPATCH_RETURN(ipa_unregister_rmnet_ll_cb);



	return ret;

}

EXPORT_SYMBOL(ipa_unregister_rmnet_ll_cb);



/* registration API for IPA usb module */

int ipa_fmwk_register_ipa_usb(const struct ipa_usb_data *in)

{

include/linux/ipa.h

+81 −0
Original line number Diff line number Diff line
@@ -1565,6 +1565,18 @@ int ipa_tx_dp(enum ipa_client_type dst, struct sk_buff *skb, 
 */

int ipa_rmnet_ctl_xmit(struct sk_buff *skb);



/*

 * ipa_rmnet_ll_xmit - Low lat data Tx

 *

 * @skb - tx low lat data packet

 *

 * Note: This need to be called after client receive rmnet_ll_

 * ready_cb and want to send TX ll data message.

 *

 * This funciton will return 0 on success, -EAGAIN if pipe if full.

 */

int ipa_rmnet_ll_xmit(struct sk_buff *skb);



void ipa_free_skb(struct ipa_rx_data *data);



/*
@@ -1748,6 +1760,12 @@ typedef void (*ipa_rmnet_ctl_rx_notify_cb)(void *user_data, void *rx_data); 
int ipa_get_default_aggr_time_limit(enum ipa_client_type client,

	u32 *default_aggr_time_limit);



typedef void (*ipa_rmnet_ll_ready_cb)(void *user_data);



typedef void (*ipa_rmnet_ll_stop_cb)(void *user_data);



typedef void (*ipa_rmnet_ll_rx_notify_cb)(void *user_data, void *rx_data);



/**

 * ipa_register_ipa_ready_cb() - register a callback to be invoked

 * when IPA core driver initialization is complete.
@@ -1809,6 +1827,45 @@ int ipa_register_rmnet_ctl_cb( 
 */

int ipa_unregister_rmnet_ctl_cb(void);



/**

 * ipa_register_rmnet_ll_cb() - register callbacks to be invoked

 * to rmnet_ll for low latency data pipes setup/teardown/rx_notify.

 *

 * @ipa_rmnet_ll_ready_cb:  CB to be called when pipes setup.

 * @user_data1: user_data for ipa_rmnet_ctl_ready_cb.

 * @ipa_rmnet_ll_stop_cb: CB to be called when pipes teardown.

 * @user_data2: user_data for ipa_rmnet_ctl_stop_cb.

 * @ipa_rmnet_ll_rx_notify_cb: CB to be called when receive rx pkts.

 * @user_data3: user_data for ipa_rmnet_ctl_rx_notify_cb.

 * @rx_data: RX data buffer.

 *

 * Note: This function is expected to be utilized for rmnet_ll

 * module.

 *

 * The function will return 0 on success, -EAGAIN if IPA not ready,

 * -ENXIO is feature is not enabled, -EEXIST if already called.

 */

int ipa_register_rmnet_ll_cb(

	void (*ipa_rmnet_ll_ready_cb)(void *user_data1),

	void *user_data1,

	void (*ipa_rmnet_ll_stop_cb)(void *user_data2),

	void *user_data2,

	void (*ipa_rmnet_ll_rx_notify_cb)(void *user_data3, void *rx_data),

	void *user_data3);



/**

 * ipa_unregister_rmnet_ll_cb() - unregister callbacks to be

 * invoked to rmnet_ll for low lat data pipes

 * setup/teardown/rx_notify.

 *

 * Note: This function is expected to be utilized for rmnet_ll

 * module.

 *

 * The function will return 0 on success, -EAGAIN if IPA not ready,

 * -ENXIO is feature is not enabled.

 */

int ipa_unregister_rmnet_ll_cb(void);



int ipa_get_smmu_params(struct ipa_smmu_in_params *in,

	struct ipa_smmu_out_params *out);

/**
@@ -1943,6 +2000,14 @@ static inline int ipa_rmnet_ctl_xmit(struct sk_buff *skb) 
	return -EPERM;

}



/*

 * Low Latency data Tx

 */

static inline int ipa_rmnet_ll_xmit(struct sk_buff *skb)

{

	return -EPERM;

}



static inline void ipa_free_skb(struct ipa_rx_data *rx_in)

{

}
@@ -2140,6 +2205,22 @@ static inline int ipa_get_default_aggr_time_limit(enum ipa_client_type client, 
	return -EPERM;

}



static inline int ipa_register_rmnet_ll_cb(

	void (*ipa_rmnet_ll_ready_cb)(void *user_data1),

	void *user_data1,

	void (*ipa_rmnet_ll_stop_cb)(void *user_data2),

	void *user_data2,

	void (*ipa_rmnet_ll_rx_notify_cb)(void *user_data3, void *rx_data),

	void *user_data3)

{

	return -EPERM;

}



static inline int ipa_unregister_rmnet_ll_cb(void)

{

	return -EPERM;

}



#endif /* IS_ENABLED(CONFIG_IPA3) */



/* stubs - to be removed once dependent drivers remove references */

include/linux/ipa_fmwk.h

+13 −0
Original line number Diff line number Diff line
@@ -122,6 +122,19 @@ struct ipa_core_data { 
	int (*ipa_disconnect_wdi_pipe)(u32 clnt_hdl);

	int (*ipa_uc_reg_rdyCB)(struct ipa_wdi_uc_ready_params *param);

	int (*ipa_uc_dereg_rdyCB)(void);



	int (*ipa_rmnet_ll_xmit)(struct sk_buff *skb);



	int (*ipa_register_rmnet_ll_cb)(

		void (*ipa_rmnet_ll_ready_cb)(void *user_data1),

		void *user_data1,

		void (*ipa_rmnet_ll_stop_cb)(void *user_data2),

		void *user_data2,

		void (*ipa_rmnet_ll_rx_notify_cb)(

			void *user_data3, void *rx_data),

		void *user_data3);



	int (*ipa_unregister_rmnet_ll_cb)(void);

};



struct ipa_usb_data {

include/uapi/linux/msm_ipa.h

+16 −3
Original line number Diff line number Diff line
@@ -443,9 +443,15 @@ enum ipa_client_type { 


	/* RESERVED PROD			= 118, */

	IPA_CLIENT_WLAN2_CONS1			= 119,



	IPA_CLIENT_APPS_WAN_LOW_LAT_DATA_PROD	= 120,

	IPA_CLIENT_APPS_WAN_LOW_LAT_DATA_CONS	= 121,



	IPA_CLIENT_Q6_DL_NLO_LL_DATA_PROD		= 122,

	/* RESERVED CONS			= 123, */

};



#define IPA_CLIENT_MAX (IPA_CLIENT_WLAN2_CONS1 + 1)

#define IPA_CLIENT_MAX (IPA_CLIENT_Q6_DL_NLO_LL_DATA_PROD + 1)



#define IPA_CLIENT_WLAN2_PROD IPA_CLIENT_A5_WLAN_AMPDU_PROD

#define IPA_CLIENT_Q6_DL_NLO_DATA_PROD IPA_CLIENT_Q6_DL_NLO_DATA_PROD
@@ -470,17 +476,22 @@ enum ipa_client_type { 
#define IPA_CLIENT_MHI_QDSS_CONS IPA_CLIENT_MHI_QDSS_CONS

#define IPA_CLIENT_QDSS_PROD IPA_CLIENT_QDSS_PROD

#define IPA_CLIENT_WLAN2_CONS1 IPA_CLIENT_WLAN2_CONS1

#define IPA_CLIENT_APPS_WAN_LOW_LAT_DATA_PROD IPA_CLIENT_APPS_WAN_LOW_LAT_DATA_PROD

#define IPA_CLIENT_APPS_WAN_LOW_LAT_DATA_CONS IPA_CLIENT_APPS_WAN_LOW_LAT_DATA_CONS

#define IPA_CLIENT_Q6_DL_NLO_LL_DATA_PROD IPA_CLIENT_Q6_DL_NLO_LL_DATA_PROD



#define IPA_CLIENT_IS_APPS_CONS(client) \

	((client) == IPA_CLIENT_APPS_LAN_CONS || \

	(client) == IPA_CLIENT_APPS_WAN_CONS || \

	(client) == IPA_CLIENT_APPS_WAN_COAL_CONS || \

	(client) == IPA_CLIENT_APPS_WAN_LOW_LAT_CONS)

	(client) == IPA_CLIENT_APPS_WAN_LOW_LAT_CONS || \

	(client) == IPA_CLIENT_APPS_WAN_LOW_LAT_DATA_CONS)



#define IPA_CLIENT_IS_APPS_PROD(client) \

	((client) == IPA_CLIENT_APPS_LAN_PROD || \

	(client) == IPA_CLIENT_APPS_WAN_PROD || \

	(client) == IPA_CLIENT_APPS_WAN_LOW_LAT_PROD)

	(client) == IPA_CLIENT_APPS_WAN_LOW_LAT_PROD || \

	(client) == IPA_CLIENT_APPS_WAN_LOW_LAT_DATA_PROD)



#define IPA_CLIENT_IS_USB_CONS(client) \

	((client) == IPA_CLIENT_USB_CONS || \
@@ -526,6 +537,7 @@ enum ipa_client_type { 
	(client) == IPA_CLIENT_Q6_CMD_PROD || \

	(client) == IPA_CLIENT_Q6_DECOMP_PROD || \

	(client) == IPA_CLIENT_Q6_DECOMP2_PROD || \

	(client) == IPA_CLIENT_Q6_DL_NLO_LL_DATA_PROD || \

	(client) == IPA_CLIENT_Q6_DL_NLO_DATA_PROD || \

	(client) == IPA_CLIENT_Q6_CV2X_PROD || \

	(client) == IPA_CLIENT_Q6_AUDIO_DMA_MHI_PROD)
@@ -550,6 +562,7 @@ enum ipa_client_type { 
	(client) == IPA_CLIENT_Q6_WAN_PROD || \

	(client) == IPA_CLIENT_Q6_CMD_PROD || \

	(client) == IPA_CLIENT_Q6_DL_NLO_DATA_PROD || \

	(client) == IPA_CLIENT_Q6_DL_NLO_LL_DATA_PROD || \

	(client) == IPA_CLIENT_Q6_CV2X_PROD || \

	(client) == IPA_CLIENT_Q6_AUDIO_DMA_MHI_PROD)

include/uapi/linux/msm_rmnet.h

+2 −0
Original line number Diff line number Diff line
@@ -70,6 +70,8 @@ 
#define RMNET_IOCTL_SET_OFFLOAD                0x0018   /* Set IPA offload */

#define RMNET_IOCTL_GET_MTU                    0x0019   /* Get v4/v6 MTU   */

#define RMNET_IOCTL_SET_MTU                    0x0020   /* Set v4/v6 MTU   */

#define RMNET_IOCTL_GET_EPID_LL                0x0021   /* Get LL ep ID    */

#define RMNET_IOCTL_GET_EP_PAIR_LL             0x0022   /* LL ep pair      */



/**

 * RMNET_IOCTL_EXTENDED_V2 ioctl types.