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Commit 2f69702c authored by Enrico Mioso's avatar Enrico Mioso Committed by David S. Miller
Browse files

net: cdc_ncm: Export cdc_ncm_{tx, rx}_fixup functions for re-use 



Some drivers implementing NCM-like protocols, may re-use those functions, as is
the case in the huawei_cdc_ncm driver.
Export them via EXPORT_SYMBOL_GPL, in accordance with how other functions have
been exported.

Signed-off-by: default avatarEnrico Mioso <mrkiko.rs@gmail.com>
Signed-off-by: default avatarBjørn Mork <bjorn@mork.no>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b579035f

drivers/net/usb/cdc_ncm.c

+4 −2
Original line number Diff line number Diff line
@@ -830,7 +830,7 @@ static void cdc_ncm_txpath_bh(unsigned long param) 
	}

}



static struct sk_buff *

struct sk_buff *

cdc_ncm_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)

{

	struct sk_buff *skb_out;
@@ -857,6 +857,7 @@ error: 


	return NULL;

}

EXPORT_SYMBOL_GPL(cdc_ncm_tx_fixup);



/* verify NTB header and return offset of first NDP, or negative error */

int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in)
@@ -943,7 +944,7 @@ error: 
}

EXPORT_SYMBOL_GPL(cdc_ncm_rx_verify_ndp16);



static int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in)

int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in)

{

	struct sk_buff *skb;

	struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0];
@@ -1019,6 +1020,7 @@ err_ndp: 
error:

	return 0;

}

EXPORT_SYMBOL_GPL(cdc_ncm_rx_fixup);



static void

cdc_ncm_speed_change(struct usbnet *dev,

include/linux/usb/cdc_ncm.h

+3 −0
Original line number Diff line number Diff line
@@ -125,5 +125,8 @@ void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf); 
struct sk_buff *cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign);

int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in);

int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset);

struct sk_buff *

cdc_ncm_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags);

int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in);



#endif /* __LINUX_USB_CDC_NCM_H */