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| author | Johan Hovold | 2016-03-03 13:34:39 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2016-03-05 03:26:08 +0100 |
| commit | 64a6d1388432704c9205fee04be8e6df45fc563b (patch) | |
| tree | e61abf0fb1cc9fe7ebc18a2581e523eca236d4d2 /drivers/staging/greybus/connection.h | |
| parent | greybus: connection: generalise CPortFlags handling (diff) | |
| download | kernel-qcow2-linux-64a6d1388432704c9205fee04be8e6df45fc563b.tar.gz kernel-qcow2-linux-64a6d1388432704c9205fee04be8e6df45fc563b.tar.xz kernel-qcow2-linux-64a6d1388432704c9205fee04be8e6df45fc563b.zip | |
greybus: connection: add CSD connection flag
Add CSD connection flag that can be specified when allocating a
connection to enable Controlled Segment Dropping in favour of E2EFC
which is enabled by default.
Note that most connections are expected to have E2EFC enabled.
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'drivers/staging/greybus/connection.h')
| -rw-r--r-- | drivers/staging/greybus/connection.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/staging/greybus/connection.h b/drivers/staging/greybus/connection.h index d5ac1459332a..6197d45cb16a 100644 --- a/drivers/staging/greybus/connection.h +++ b/drivers/staging/greybus/connection.h @@ -13,6 +13,8 @@ #include <linux/list.h> #include <linux/kfifo.h> +#define GB_CONNECTION_FLAG_CSD BIT(0) + enum gb_connection_state { GB_CONNECTION_STATE_INVALID = 0, GB_CONNECTION_STATE_DISABLED = 1, @@ -81,4 +83,9 @@ void greybus_data_rcvd(struct gb_host_device *hd, u16 cport_id, void gb_connection_latency_tag_enable(struct gb_connection *connection); void gb_connection_latency_tag_disable(struct gb_connection *connection); +static inline bool gb_connection_e2efc_enabled(struct gb_connection *connection) +{ + return !(connection->flags & GB_CONNECTION_FLAG_CSD); +} + #endif /* __CONNECTION_H */ |