From 767cc9a9c1daf9b6c8efbfef656e5ca12c853a45 Mon Sep 17 00:00:00 2001 From: Philippe Mathieu-Daudé Date: Thu, 5 Mar 2020 18:56:50 +0100 Subject: hw/net/can: Make CanBusClientInfo::can_receive() return a boolean The CanBusClientInfo::can_receive handler return whether the device can or can not receive new frames. Make it obvious by returning a boolean type. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Alistair Francis Reviewed-by: Cédric Le Goater Signed-off-by: Jason Wang --- hw/net/allwinner-sun8i-emac.c | 2 +- hw/net/can/can_sja1000.c | 8 ++++---- hw/net/can/can_sja1000.h | 2 +- include/net/can_emu.h | 2 +- net/can/can_socketcan.c | 4 ++-- 5 files changed, 9 insertions(+), 9 deletions(-) diff --git a/hw/net/allwinner-sun8i-emac.c b/hw/net/allwinner-sun8i-emac.c index 3fc5e34640..033eaa85bf 100644 --- a/hw/net/allwinner-sun8i-emac.c +++ b/hw/net/allwinner-sun8i-emac.c @@ -395,7 +395,7 @@ static void allwinner_sun8i_emac_flush_desc(FrameDescriptor *desc, cpu_physical_memory_write(phys_addr, desc, sizeof(*desc)); } -static int allwinner_sun8i_emac_can_receive(NetClientState *nc) +static bool allwinner_sun8i_emac_can_receive(NetClientState *nc) { AwSun8iEmacState *s = qemu_get_nic_opaque(nc); FrameDescriptor desc; diff --git a/hw/net/can/can_sja1000.c b/hw/net/can/can_sja1000.c index 39c78faf9b..ea915a023a 100644 --- a/hw/net/can/can_sja1000.c +++ b/hw/net/can/can_sja1000.c @@ -733,21 +733,21 @@ uint64_t can_sja_mem_read(CanSJA1000State *s, hwaddr addr, unsigned size) return temp; } -int can_sja_can_receive(CanBusClientState *client) +bool can_sja_can_receive(CanBusClientState *client) { CanSJA1000State *s = container_of(client, CanSJA1000State, bus_client); if (s->clock & 0x80) { /* PeliCAN Mode */ if (s->mode & 0x01) { /* reset mode. */ - return 0; + return false; } } else { /* BasicCAN mode */ if (s->control & 0x01) { - return 0; + return false; } } - return 1; /* always return 1, when operation mode */ + return true; /* always return true, when operation mode */ } ssize_t can_sja_receive(CanBusClientState *client, const qemu_can_frame *frames, diff --git a/hw/net/can/can_sja1000.h b/hw/net/can/can_sja1000.h index 220a622087..7ca9cd681e 100644 --- a/hw/net/can/can_sja1000.h +++ b/hw/net/can/can_sja1000.h @@ -137,7 +137,7 @@ void can_sja_disconnect(CanSJA1000State *s); int can_sja_init(CanSJA1000State *s, qemu_irq irq); -int can_sja_can_receive(CanBusClientState *client); +bool can_sja_can_receive(CanBusClientState *client); ssize_t can_sja_receive(CanBusClientState *client, const qemu_can_frame *frames, size_t frames_cnt); diff --git a/include/net/can_emu.h b/include/net/can_emu.h index d4fc51b57d..fce9770928 100644 --- a/include/net/can_emu.h +++ b/include/net/can_emu.h @@ -83,7 +83,7 @@ typedef struct CanBusClientState CanBusClientState; typedef struct CanBusState CanBusState; typedef struct CanBusClientInfo { - int (*can_receive)(CanBusClientState *); + bool (*can_receive)(CanBusClientState *); ssize_t (*receive)(CanBusClientState *, const struct qemu_can_frame *frames, size_t frames_cnt); } CanBusClientInfo; diff --git a/net/can/can_socketcan.c b/net/can/can_socketcan.c index 29bfacd4f8..807f31fcde 100644 --- a/net/can/can_socketcan.c +++ b/net/can/can_socketcan.c @@ -110,9 +110,9 @@ static void can_host_socketcan_read(void *opaque) } } -static int can_host_socketcan_can_receive(CanBusClientState *client) +static bool can_host_socketcan_can_receive(CanBusClientState *client) { - return 1; + return true; } static ssize_t can_host_socketcan_receive(CanBusClientState *client, -- cgit v1.2.3-55-g7522