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s390/qeth: clean up stale buffer state documentation 

We don't keep track of Input Buffer states, so remove the comments that
make it sound like the qeth_qdio_buffer_states enum applies to
Input Buffers.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann 2019-04-25 18:25:56 +02:00 committed by David S. Miller
parent ddb0ac51e6
commit 5c0bfba780
1 changed files with 13 additions and 28 deletions
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41
drivers/s390/net/qeth_core.h
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@ -374,34 +374,6 @@ enum qeth_header_ids {
#define QETH_HDR_EXT_CSUM_TRANSP_REQ 0x20
#define QETH_HDR_EXT_UDP 0x40 /*bit off for TCP*/
enum qeth_qdio_buffer_states {
/*
* inbound: read out by driver; owned by hardware in order to be filled
* outbound: owned by driver in order to be filled
*/
QETH_QDIO_BUF_EMPTY,
/*
* inbound: filled by hardware; owned by driver in order to be read out
* outbound: filled by driver; owned by hardware in order to be sent
*/
QETH_QDIO_BUF_PRIMED,
/*
* inbound: not applicable
* outbound: identified to be pending in TPQ
*/
QETH_QDIO_BUF_PENDING,
/*
* inbound: not applicable
* outbound: found in completion queue
*/
QETH_QDIO_BUF_IN_CQ,
/*
* inbound: not applicable
* outbound: handled via transfer pending / completion queue
*/
QETH_QDIO_BUF_HANDLED_DELAYED,
};
enum qeth_qdio_info_states {
QETH_QDIO_UNINITIALIZED,
QETH_QDIO_ALLOCATED,
@ -433,6 +405,19 @@ struct qeth_qdio_q {
int next_buf_to_init;
};
enum qeth_qdio_out_buffer_state {
/* Owned by driver, in order to be filled. */
QETH_QDIO_BUF_EMPTY,
/* Filled by driver; owned by hardware in order to be sent. */
QETH_QDIO_BUF_PRIMED,
/* Identified to be pending in TPQ. */
QETH_QDIO_BUF_PENDING,
/* Found in completion queue. */
QETH_QDIO_BUF_IN_CQ,
/* Handled via transfer pending / completion queue. */
QETH_QDIO_BUF_HANDLED_DELAYED,
};
struct qeth_qdio_out_buffer {
struct qdio_buffer *buffer;
atomic_t state;