diff options
| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2026-01-17 23:28:20 +0900 |
|---|---|---|
| committer | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2026-01-18 17:18:48 +0900 |
| commit | 9bf71acd65bf190a0ef1bc885a0a664f91beff03 (patch) | |
| tree | 7758583bcf56f858ef5e3c1cadf8b26a1e009ede /include/linux/firewire.h | |
| parent | fc999c7b68ac80cf260a43237e2b304222987243 (diff) | |
firewire: core: provide isoc header buffer size outside card driver
For single-channel isochronous contexts, the header storage size is
hard-coded to PAGE_SIZE. which is inconvenient for protocol
implementations requiring more space.
This commit refactors the code to obtain the header storage size outside
the 1394 OHCI driver.
Link: https://lore.kernel.org/r/20260117142823.440811-8-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Diffstat (limited to 'include/linux/firewire.h')
| -rw-r--r-- | include/linux/firewire.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/firewire.h b/include/linux/firewire.h index 71d5cc8f28ce..8bf568471588 100644 --- a/include/linux/firewire.h +++ b/include/linux/firewire.h @@ -558,12 +558,14 @@ struct fw_iso_context { int speed; int flags; size_t header_size; + size_t header_storage_size; union fw_iso_callback callback; void *callback_data; }; struct fw_iso_context *__fw_iso_context_create(struct fw_card *card, int type, int channel, - int speed, size_t header_size, union fw_iso_callback callback, void *callback_data); + int speed, size_t header_size, size_t header_storage_size, + union fw_iso_callback callback, void *callback_data); int fw_iso_context_set_channels(struct fw_iso_context *ctx, u64 *channels); int fw_iso_context_queue(struct fw_iso_context *ctx, struct fw_iso_packet *packet, @@ -578,7 +580,8 @@ static inline struct fw_iso_context *fw_iso_context_create(struct fw_card *card, { union fw_iso_callback cb = { .sc = callback }; - return __fw_iso_context_create(card, type, channel, speed, header_size, cb, callback_data); + return __fw_iso_context_create(card, type, channel, speed, header_size, PAGE_SIZE, cb, + callback_data); } /** |