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https://github.com/edk2-porting/linux-next.git
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65e0b49910
Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@nokia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
115 lines
2.5 KiB
C
115 lines
2.5 KiB
C
/*
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* USB CDC NCM auxiliary definitions
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*/
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#ifndef __LINUX_USB_NCM_H
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#define __LINUX_USB_NCM_H
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#include <linux/types.h>
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#include <linux/usb/cdc.h>
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#include <asm/unaligned.h>
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#define NCM_NTB_MIN_IN_SIZE 2048
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#define NCM_NTB_MIN_OUT_SIZE 2048
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#define NCM_CONTROL_TIMEOUT (5 * 1000)
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/* bmNetworkCapabilities */
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#define NCM_NCAP_ETH_FILTER (1 << 0)
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#define NCM_NCAP_NET_ADDRESS (1 << 1)
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#define NCM_NCAP_ENCAP_COMM (1 << 2)
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#define NCM_NCAP_MAX_DGRAM (1 << 3)
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#define NCM_NCAP_CRC_MODE (1 << 4)
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/*
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* Here are options for NCM Datagram Pointer table (NDP) parser.
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* There are 2 different formats: NDP16 and NDP32 in the spec (ch. 3),
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* in NDP16 offsets and sizes fields are 1 16bit word wide,
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* in NDP32 -- 2 16bit words wide. Also signatures are different.
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* To make the parser code the same, put the differences in the structure,
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* and switch pointers to the structures when the format is changed.
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*/
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struct ndp_parser_opts {
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u32 nth_sign;
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u32 ndp_sign;
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unsigned nth_size;
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unsigned ndp_size;
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unsigned ndplen_align;
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/* sizes in u16 units */
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unsigned dgram_item_len; /* index or length */
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unsigned block_length;
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unsigned fp_index;
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unsigned reserved1;
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unsigned reserved2;
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unsigned next_fp_index;
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};
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#define INIT_NDP16_OPTS { \
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.nth_sign = NCM_NTH16_SIGN, \
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.ndp_sign = NCM_NDP16_NOCRC_SIGN, \
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.nth_size = sizeof(struct usb_cdc_ncm_nth16), \
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.ndp_size = sizeof(struct usb_cdc_ncm_ndp16), \
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.ndplen_align = 4, \
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.dgram_item_len = 1, \
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.block_length = 1, \
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.fp_index = 1, \
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.reserved1 = 0, \
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.reserved2 = 0, \
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.next_fp_index = 1, \
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}
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#define INIT_NDP32_OPTS { \
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.nth_sign = NCM_NTH32_SIGN, \
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.ndp_sign = NCM_NDP32_NOCRC_SIGN, \
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.nth_size = sizeof(struct usb_cdc_ncm_nth32), \
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.ndp_size = sizeof(struct usb_cdc_ncm_ndp32), \
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.ndplen_align = 8, \
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.dgram_item_len = 2, \
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.block_length = 2, \
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.fp_index = 2, \
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.reserved1 = 1, \
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.reserved2 = 2, \
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.next_fp_index = 2, \
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}
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static inline void put_ncm(__le16 **p, unsigned size, unsigned val)
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{
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switch (size) {
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case 1:
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put_unaligned_le16((u16)val, *p);
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break;
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case 2:
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put_unaligned_le32((u32)val, *p);
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break;
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default:
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BUG();
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}
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*p += size;
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}
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static inline unsigned get_ncm(__le16 **p, unsigned size)
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{
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unsigned tmp;
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switch (size) {
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case 1:
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tmp = get_unaligned_le16(*p);
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break;
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case 2:
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tmp = get_unaligned_le32(*p);
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break;
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default:
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BUG();
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}
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*p += size;
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return tmp;
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}
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#endif /* __LINUX_USB_NCM_H */
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