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author | sephe <sephe@FreeBSD.org> | 2016-10-17 08:03:15 +0000 |
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committer | sephe <sephe@FreeBSD.org> | 2016-10-17 08:03:15 +0000 |
commit | 3d2e23c106be5ff0632b67ac34152d7a90641841 (patch) | |
tree | 4646d90afc37dafdfa2e61c59fc6110377aefeb2 /sys/net | |
parent | aff44a1ac4dc887b99ddbb4b1eaac5cd67c780ec (diff) | |
download | FreeBSD-src-3d2e23c106be5ff0632b67ac34152d7a90641841.zip FreeBSD-src-3d2e23c106be5ff0632b67ac34152d7a90641841.tar.gz |
MFC 305277,305278
305277
net/rndis: Add comment for rndis_comp_hdr
Reviewed by: hps
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D7738
305278
net/rndis: Define common message header for RNDIS messages.
And avoid RNDIS_HEADER_OFFSET hardcoding.
Reviewed by: hps
Sponsored by: Microsoft
Differential Revision: https://reviews.freebsd.org/D7739
Diffstat (limited to 'sys/net')
-rw-r--r-- | sys/net/rndis.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/sys/net/rndis.h b/sys/net/rndis.h index 7e75dde..0477a65 100644 --- a/sys/net/rndis.h +++ b/sys/net/rndis.h @@ -93,6 +93,14 @@ #define RNDIS_DF_CONNECTION_ORIENTED 0x00000002 /* + * Common RNDIS message header. + */ +struct rndis_msghdr { + uint32_t rm_type; + uint32_t rm_len; +}; + +/* * RNDIS data message */ #define REMOTE_NDIS_PACKET_MSG 0x00000001 @@ -147,6 +155,12 @@ struct rndis_pktinfo { /* * RNDIS control messages */ + +/* + * Common header for RNDIS completion messages. + * + * NOTE: It does not apply to REMOTE_NDIS_RESET_CMPLT. + */ struct rndis_comp_hdr { uint32_t rm_type; uint32_t rm_len; @@ -316,7 +330,7 @@ struct rndis_keepalive_comp { #define NDIS_PACKET_TYPE_MAC_FRAME 0x00008000 /* RNDIS offsets */ -#define RNDIS_HEADER_OFFSET 8 /* bytes */ +#define RNDIS_HEADER_OFFSET ((uint32_t)sizeof(struct rndis_msghdr)) #define RNDIS_DATA_OFFSET \ ((uint32_t)(sizeof(struct rndis_packet_msg) - RNDIS_HEADER_OFFSET)) |