diff options
| author | Hans Wippel <hwippel@linux.ibm.com> | 2018-05-18 09:34:10 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-05-18 13:15:01 -0400 |
| commit | 69cb7dc0218b2c54416722eddf181e720f24c305 (patch) | |
| tree | 521471fca3a62bfcd69228b4ea9224a86bf133f5 /net/smc/smc_cdc.c | |
| parent | d6830519a9de10621651433459d2c72a7145dd25 (diff) | |
net/smc: add common buffer size in send and receive buffer descriptors
In addition to the buffer references, SMC currently stores the sizes of
the receive and send buffers in each connection as separate variables.
This patch introduces a buffer length variable in the common buffer
descriptor and uses this length instead.
Signed-off-by: Hans Wippel <hwippel@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_cdc.c')
| -rw-r--r-- | net/smc/smc_cdc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/smc/smc_cdc.c b/net/smc/smc_cdc.c index 42ad57365eca..2809f9902446 100644 --- a/net/smc/smc_cdc.c +++ b/net/smc/smc_cdc.c @@ -44,13 +44,13 @@ static void smc_cdc_tx_handler(struct smc_wr_tx_pend_priv *pnd_snd, smc = container_of(cdcpend->conn, struct smc_sock, conn); bh_lock_sock(&smc->sk); if (!wc_status) { - diff = smc_curs_diff(cdcpend->conn->sndbuf_size, + diff = smc_curs_diff(cdcpend->conn->sndbuf_desc->len, &cdcpend->conn->tx_curs_fin, &cdcpend->cursor); /* sndbuf_space is decreased in smc_sendmsg */ smp_mb__before_atomic(); atomic_add(diff, &cdcpend->conn->sndbuf_space); - /* guarantee 0 <= sndbuf_space <= sndbuf_size */ + /* guarantee 0 <= sndbuf_space <= sndbuf_desc->len */ smp_mb__after_atomic(); smc_curs_write(&cdcpend->conn->tx_curs_fin, smc_curs_read(&cdcpend->cursor, cdcpend->conn), @@ -198,13 +198,13 @@ static void smc_cdc_msg_recv_action(struct smc_sock *smc, smp_mb__after_atomic(); } - diff_prod = smc_curs_diff(conn->rmbe_size, &prod_old, + diff_prod = smc_curs_diff(conn->rmb_desc->len, &prod_old, &conn->local_rx_ctrl.prod); if (diff_prod) { /* bytes_to_rcv is decreased in smc_recvmsg */ smp_mb__before_atomic(); atomic_add(diff_prod, &conn->bytes_to_rcv); - /* guarantee 0 <= bytes_to_rcv <= rmbe_size */ + /* guarantee 0 <= bytes_to_rcv <= rmb_desc->len */ smp_mb__after_atomic(); smc->sk.sk_data_ready(&smc->sk); } else if ((conn->local_rx_ctrl.prod_flags.write_blocked) || |