diff options
Diffstat (limited to 'include/linux/skmsg.h')
| -rw-r--r-- | include/linux/skmsg.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h index 31df0d9fa536..22347b08e1f8 100644 --- a/include/linux/skmsg.h +++ b/include/linux/skmsg.h @@ -187,18 +187,21 @@ static inline void sk_msg_xfer_full(struct sk_msg *dst, struct sk_msg *src) sk_msg_init(src); } +static inline bool sk_msg_full(const struct sk_msg *msg) +{ + return (msg->sg.end == msg->sg.start) && msg->sg.size; +} + static inline u32 sk_msg_elem_used(const struct sk_msg *msg) { + if (sk_msg_full(msg)) + return MAX_MSG_FRAGS; + return msg->sg.end >= msg->sg.start ? msg->sg.end - msg->sg.start : msg->sg.end + (MAX_MSG_FRAGS - msg->sg.start); } -static inline bool sk_msg_full(const struct sk_msg *msg) -{ - return (msg->sg.end == msg->sg.start) && msg->sg.size; -} - static inline struct scatterlist *sk_msg_elem(struct sk_msg *msg, int which) { return &msg->sg.data[which]; |