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net/smc: fix byte_order for rx_curs_confirmed

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The recent change in the rx_curs_confirmed assignment disregards
byte order, which causes problems on little endian architectures.
This patch fixes it.

Fixes: b8649efad8 ("net/smc: fix sender_free computation") (net-tree)
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ursula Braun 2019-02-07 14:52:54 +01:00 committed by David S. Miller
parent 225d946426
commit ccc8ca9b90
2 changed files with 11 additions and 12 deletions
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4
net/smc/smc_cdc.c
View File

@ -101,9 +101,7 @@ int smc_cdc_msg_send(struct smc_connection *conn,
conn->tx_cdc_seq++;
conn->local_tx_ctrl.seqno = conn->tx_cdc_seq;
smc_host_msg_to_cdc((struct smc_cdc_msg *)wr_buf,
&conn->local_tx_ctrl, conn);
smc_curs_copy(&cfed, &((struct smc_host_cdc_msg *)wr_buf)->cons, conn);
smc_host_msg_to_cdc((struct smc_cdc_msg *)wr_buf, conn, &cfed);
rc = smc_wr_tx_send(link, (struct smc_wr_tx_pend_priv *)pend);
if (!rc)
smc_curs_copy(&conn->rx_curs_confirmed, &cfed, conn);

19
net/smc/smc_cdc.h
View File

@ -211,26 +211,27 @@ static inline int smc_curs_diff_large(unsigned int size,
static inline void smc_host_cursor_to_cdc(union smc_cdc_cursor *peer,
union smc_host_cursor *local,
union smc_host_cursor *save,
struct smc_connection *conn)
{
union smc_host_cursor temp;
smc_curs_copy(&temp, local, conn);
peer->count = htonl(temp.count);
peer->wrap = htons(temp.wrap);
smc_curs_copy(save, local, conn);
peer->count = htonl(save->count);
peer->wrap = htons(save->wrap);
/* peer->reserved = htons(0); must be ensured by caller */
}
static inline void smc_host_msg_to_cdc(struct smc_cdc_msg *peer,
struct smc_host_cdc_msg *local,
struct smc_connection *conn)
struct smc_connection *conn,
union smc_host_cursor *save)
{
struct smc_host_cdc_msg *local = &conn->local_tx_ctrl;
peer->common.type = local->common.type;
peer->len = local->len;
peer->seqno = htons(local->seqno);
peer->token = htonl(local->token);
smc_host_cursor_to_cdc(&peer->prod, &local->prod, conn);
smc_host_cursor_to_cdc(&peer->cons, &local->cons, conn);
smc_host_cursor_to_cdc(&peer->prod, &local->prod, save, conn);
smc_host_cursor_to_cdc(&peer->cons, &local->cons, save, conn);
peer->prod_flags = local->prod_flags;
peer->conn_state_flags = local->conn_state_flags;
}