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| author | Stefano Panella <stefano.panella@csr.com> | 2008-11-04 14:06:31 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@csr.com> | 2008-11-04 15:53:29 +0000 |
| commit | c5995bd2819dc577d0b32b26be0836d16c977e24 (patch) | |
| tree | 2cc5122623ace2571b7b3080b1b9a61f8282cfd4 /include/linux/uwb | |
| parent | f88518d122f1b007f47a46aff37ca2885126a923 (diff) | |
| download | linux-0-day-c5995bd2819dc577d0b32b26be0836d16c977e24.tar.gz linux-0-day-c5995bd2819dc577d0b32b26be0836d16c977e24.tar.xz | |
uwb: infrastructure for handling Relinquish Request IEs
The structures and event handler needed to handle Relinish Request IEs
received from neighbors. Nothing is done with these IEs yet.
Signed-off-by: Stefano Panella <stefano.panella@csr.com>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
Diffstat (limited to 'include/linux/uwb')
| -rw-r--r-- | include/linux/uwb/spec.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/uwb/spec.h b/include/linux/uwb/spec.h index 198c15f8e2517..a30436ea53aa8 100644 --- a/include/linux/uwb/spec.h +++ b/include/linux/uwb/spec.h @@ -200,6 +200,12 @@ enum uwb_drp_reason { UWB_DRP_REASON_MODIFIED, }; +/** Relinquish Request Reason Codes ([ECMA-368] table 113) */ +enum uwb_relinquish_req_reason { + UWB_RELINQUISH_REQ_REASON_NON_SPECIFIC = 0, + UWB_RELINQUISH_REQ_REASON_OVER_ALLOCATION, +}; + /** * DRP Notification Reason Codes (WHCI 0.95 [3.1.4.9]) */ @@ -252,6 +258,7 @@ enum uwb_ie { UWB_APP_SPEC_PROBE_IE = 15, UWB_IDENTIFICATION_IE = 19, UWB_MASTER_KEY_ID_IE = 20, + UWB_RELINQUISH_REQUEST_IE = 21, UWB_IE_WLP = 250, /* WiMedia Logical Link Control Protocol WLP 0.99 */ UWB_APP_SPEC_IE = 255, }; @@ -365,6 +372,27 @@ struct uwb_ie_drp_avail { DECLARE_BITMAP(bmp, UWB_NUM_MAS); } __attribute__((packed)); +/* Relinqish Request IE ([ECMA-368] section 16.8.19). */ +struct uwb_relinquish_request_ie { + struct uwb_ie_hdr hdr; + __le16 relinquish_req_control; + struct uwb_dev_addr dev_addr; + struct uwb_drp_alloc allocs[]; +} __attribute__((packed)); + +static inline int uwb_ie_relinquish_req_reason_code(struct uwb_relinquish_request_ie *ie) +{ + return (le16_to_cpu(ie->relinquish_req_control) >> 0) & 0xf; +} + +static inline void uwb_ie_relinquish_req_set_reason_code(struct uwb_relinquish_request_ie *ie, + int reason_code) +{ + u16 ctrl = le16_to_cpu(ie->relinquish_req_control); + ctrl = (ctrl & ~(0xf << 0)) | (reason_code << 0); + ie->relinquish_req_control = cpu_to_le16(ctrl); +} + /** * The Vendor ID is set to an OUI that indicates the vendor of the device. * ECMA-368 [16.8.10] |