sfc: Use explicit bool for boolean variables, parameters and return values
Replace (cond ? 1 : 0) with cond or !!cond as appropriate, and
(cond ? 0 : 1) with !cond.
Remove some redundant boolean temporaries.
Rename one field that looks like a flag but isn't.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 8ee63da..fb06971 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -539,7 +539,7 @@
if (EFX_WORKAROUND_11557(efx)) {
efx_oword_t reg;
- int enabled;
+ bool enabled;
falcon_read_table(efx, ®, efx->type->txd_ptr_tbl_base,
tx_queue->queue);
@@ -644,8 +644,8 @@
efx_oword_t rx_desc_ptr;
struct efx_nic *efx = rx_queue->efx;
int rc;
- int is_b0 = falcon_rev(efx) >= FALCON_REV_B0;
- int iscsi_digest_en = is_b0;
+ bool is_b0 = falcon_rev(efx) >= FALCON_REV_B0;
+ bool iscsi_digest_en = is_b0;
EFX_LOG(efx, "RX queue %d ring in special buffers %d-%d\n",
rx_queue->queue, rx_queue->rxd.index,
@@ -695,7 +695,8 @@
read_ptr = channel->eventq_read_ptr;
for (i = 0; i < FALCON_EVQ_SIZE; ++i) {
efx_qword_t *event = falcon_event(channel, read_ptr);
- int ev_code, ev_sub_code, ev_queue, ev_failed;
+ int ev_code, ev_sub_code, ev_queue;
+ bool ev_failed;
if (!falcon_event_present(event))
break;
@@ -722,7 +723,7 @@
if (EFX_WORKAROUND_11557(efx)) {
efx_oword_t reg;
- int enabled;
+ bool enabled;
falcon_read_table(efx, ®, efx->type->rxd_ptr_tbl_base,
rx_queue->queue);
@@ -851,15 +852,16 @@
/* Detect errors included in the rx_evt_pkt_ok bit. */
static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
const efx_qword_t *event,
- unsigned *rx_ev_pkt_ok,
- int *discard)
+ bool *rx_ev_pkt_ok,
+ bool *discard)
{
struct efx_nic *efx = rx_queue->efx;
- unsigned rx_ev_buf_owner_id_err, rx_ev_ip_hdr_chksum_err;
- unsigned rx_ev_tcp_udp_chksum_err, rx_ev_eth_crc_err;
- unsigned rx_ev_frm_trunc, rx_ev_drib_nib, rx_ev_tobe_disc;
- unsigned rx_ev_pkt_type, rx_ev_other_err, rx_ev_pause_frm;
- unsigned rx_ev_ip_frag_err, rx_ev_hdr_type, rx_ev_mcast_pkt;
+ bool rx_ev_buf_owner_id_err, rx_ev_ip_hdr_chksum_err;
+ bool rx_ev_tcp_udp_chksum_err, rx_ev_eth_crc_err;
+ bool rx_ev_frm_trunc, rx_ev_drib_nib, rx_ev_tobe_disc;
+ bool rx_ev_other_err, rx_ev_pause_frm;
+ bool rx_ev_ip_frag_err, rx_ev_hdr_type, rx_ev_mcast_pkt;
+ unsigned rx_ev_pkt_type;
rx_ev_hdr_type = EFX_QWORD_FIELD(*event, RX_EV_HDR_TYPE);
rx_ev_mcast_pkt = EFX_QWORD_FIELD(*event, RX_EV_MCAST_PKT);
@@ -954,9 +956,9 @@
const efx_qword_t *event)
{
unsigned int rx_ev_q_label, rx_ev_desc_ptr, rx_ev_byte_cnt;
- unsigned int rx_ev_pkt_ok, rx_ev_hdr_type, rx_ev_mcast_pkt;
+ unsigned int rx_ev_hdr_type, rx_ev_mcast_pkt;
unsigned expected_ptr;
- int discard = 0, checksummed;
+ bool rx_ev_pkt_ok, discard = false, checksummed;
struct efx_rx_queue *rx_queue;
struct efx_nic *efx = channel->efx;
@@ -985,7 +987,7 @@
} else {
falcon_handle_rx_not_ok(rx_queue, event, &rx_ev_pkt_ok,
&discard);
- checksummed = 0;
+ checksummed = false;
}
/* Detect multicast packets that didn't match the filter */
@@ -995,7 +997,7 @@
EFX_QWORD_FIELD(*event, RX_EV_MCAST_HASH_MATCH);
if (unlikely(!rx_ev_mcast_hash_match))
- discard = 1;
+ discard = true;
}
/* Handle received packet */
@@ -1010,23 +1012,23 @@
efx_qword_t *event)
{
struct efx_nic *efx = channel->efx;
- int is_phy_event = 0, handled = 0;
+ bool is_phy_event = false, handled = false;
/* Check for interrupt on either port. Some boards have a
* single PHY wired to the interrupt line for port 1. */
if (EFX_QWORD_FIELD(*event, G_PHY0_INTR) ||
EFX_QWORD_FIELD(*event, G_PHY1_INTR) ||
EFX_QWORD_FIELD(*event, XG_PHY_INTR))
- is_phy_event = 1;
+ is_phy_event = true;
if ((falcon_rev(efx) >= FALCON_REV_B0) &&
EFX_OWORD_FIELD(*event, XG_MNT_INTR_B0))
- is_phy_event = 1;
+ is_phy_event = true;
if (is_phy_event) {
efx->phy_op->clear_interrupt(efx);
queue_work(efx->workqueue, &efx->reconfigure_work);
- handled = 1;
+ handled = true;
}
if (EFX_QWORD_FIELD_VER(efx, *event, RX_RECOVERY)) {
@@ -1036,7 +1038,7 @@
atomic_inc(&efx->rx_reset);
efx_schedule_reset(efx, EFX_WORKAROUND_6555(efx) ?
RESET_TYPE_RX_RECOVERY : RESET_TYPE_DISABLE);
- handled = 1;
+ handled = true;
}
if (!handled)
@@ -1756,7 +1758,7 @@
{
efx_oword_t reg;
int link_speed;
- unsigned int tx_fc;
+ bool tx_fc;
if (efx->link_options & GM_LPA_10000)
link_speed = 0x3;
@@ -1791,7 +1793,7 @@
/* Transmission of pause frames when RX crosses the threshold is
* covered by RX_XOFF_MAC_EN and XM_TX_CFG_REG:XM_FCNTL.
* Action on receipt of pause frames is controller by XM_DIS_FCNTL */
- tx_fc = (efx->flow_control & EFX_FC_TX) ? 1 : 0;
+ tx_fc = !!(efx->flow_control & EFX_FC_TX);
falcon_read(efx, ®, RX_CFG_REG_KER);
EFX_SET_OWORD_FIELD_VER(efx, reg, RX_XOFF_MAC_EN, tx_fc);
@@ -2064,7 +2066,7 @@
return rc;
/* Set up GMII structure for PHY */
- efx->mii.supports_gmii = 1;
+ efx->mii.supports_gmii = true;
falcon_init_mdio(&efx->mii);
/* Hardware flow ctrl. FalconA RX FIFO too small for pause generation */