diff mbox series

[PATCHv5,07/13] net/lwip: implement ping cmd

Message ID 20230802140658.10319-8-maxim.uvarov@linaro.org
State New
Headers show
Series net/lwip: add lwip library for the network stack | expand

Commit Message

Maxim Uvarov Aug. 2, 2023, 2:06 p.m. UTC
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
---
 lib/lwip/Makefile              |  1 +
 lib/lwip/apps/ping/Makefile    | 11 ++++++++++
 lib/lwip/apps/ping/lwip_ping.c | 37 ++++++++++++++++++++++++++++++++++
 lib/lwip/apps/ping/lwip_ping.h | 24 ++++++++++++++++++++++
 lib/lwip/apps/ping/ping.h      | 35 ++++++++++++++++++++++++++++++++
 5 files changed, 108 insertions(+)
 create mode 100644 lib/lwip/apps/ping/Makefile
 create mode 100644 lib/lwip/apps/ping/lwip_ping.c
 create mode 100644 lib/lwip/apps/ping/lwip_ping.h
 create mode 100644 lib/lwip/apps/ping/ping.h

Comments

Ilias Apalodimas Aug. 3, 2023, 9:32 a.m. UTC | #1
On Wed, Aug 02, 2023 at 08:06:52PM +0600, Maxim Uvarov wrote:
> Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
> ---
>  lib/lwip/Makefile              |  1 +
>  lib/lwip/apps/ping/Makefile    | 11 ++++++++++
>  lib/lwip/apps/ping/lwip_ping.c | 37 ++++++++++++++++++++++++++++++++++
>  lib/lwip/apps/ping/lwip_ping.h | 24 ++++++++++++++++++++++
>  lib/lwip/apps/ping/ping.h      | 35 ++++++++++++++++++++++++++++++++
>  5 files changed, 108 insertions(+)
>  create mode 100644 lib/lwip/apps/ping/Makefile
>  create mode 100644 lib/lwip/apps/ping/lwip_ping.c
>  create mode 100644 lib/lwip/apps/ping/lwip_ping.h
>  create mode 100644 lib/lwip/apps/ping/ping.h
> 
> diff --git a/lib/lwip/Makefile b/lib/lwip/Makefile
> index ec6b728c8e..87ed99a230 100644
> --- a/lib/lwip/Makefile
> +++ b/lib/lwip/Makefile
> @@ -67,5 +67,6 @@ obj-$(CONFIG_NET) += port/sys-arch.o
>  
>  obj-$(CONFIG_CMD_DHCP) += apps/dhcp/lwip-dhcp.o
>  obj-$(CONFIG_CMD_DNS) += apps/dns/lwip-dns.o
> +obj-$(CONFIG_CMD_PING) += apps/ping/
>  obj-$(CONFIG_CMD_TFTPBOOT) += apps/tftp/
>  obj-$(CONFIG_CMD_WGET) += apps/http/
> diff --git a/lib/lwip/apps/ping/Makefile b/lib/lwip/apps/ping/Makefile
> new file mode 100644
> index 0000000000..0d0a811336
> --- /dev/null
> +++ b/lib/lwip/apps/ping/Makefile
> @@ -0,0 +1,11 @@
> +ccflags-y += -I$(srctree)/lib/lwip/port/include
> +ccflags-y += -I$(srctree)/lib/lwip/lwip-external/src/include -I$(srctree)/lib/lwip
> +ccflags-y += -I$(obj)
> +
> +.PHONY: $(obj)/ping.c
> +$(obj)/ping.o: $(obj)/ping.c
> +$(obj)/ping.c:
> +	cp $(srctree)/lib/lwip/lwip-external/contrib/apps/ping/ping.c $(obj)/ping.c
> +
> +obj-$(CONFIG_CMD_PING) += ping.o
> +obj-$(CONFIG_CMD_PING) += lwip_ping.o
> diff --git a/lib/lwip/apps/ping/lwip_ping.c b/lib/lwip/apps/ping/lwip_ping.c
> new file mode 100644
> index 0000000000..40658ab6fd
> --- /dev/null
> +++ b/lib/lwip/apps/ping/lwip_ping.c
> @@ -0,0 +1,37 @@
> +// SPDX-License-Identifier: GPL-2.0
> +
> +/*
> + * (C) Copyright 2023 Linaro Ltd. <maxim.uvarov@linaro.org>
> + */
> +
> +#include "lwip/opt.h"
> +#include "lwip/ip_addr.h"
> +#include "ping.h"
> +
> +#include <ulwip.h>
> +
> +static ip_addr_t ip_target;
> +
> +static int ulwip_ping_tmo(void)
> +{
> +
> +	printf("ping failed; host %s is not alive\n", ipaddr_ntoa(&ip_target));
> +	return 0;

Shouldnt this return != 0? Also why do we need this? Looking at
ping_raw_init() it ets timeout and print fail messages

> +}
> +
> +int lwip_ping_init(char *ping_addr)
> +{
> +	int err;
> +
> +	err = ipaddr_aton(ping_addr, &ip_target);
> +	if (err == 0) {
> +		printf("wrong ping addr string \"%s\" \n", ping_addr);
> +		return -1;
> +	}
> +
> +	ulwip_set_tmo(ulwip_ping_tmo);
> +
> +	ping_init(&ip_target);
> +
> +	return 0;
> +}
> diff --git a/lib/lwip/apps/ping/lwip_ping.h b/lib/lwip/apps/ping/lwip_ping.h
> new file mode 100644
> index 0000000000..7f08095427
> --- /dev/null
> +++ b/lib/lwip/apps/ping/lwip_ping.h
> @@ -0,0 +1,24 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +
> +/*
> + * (C) Copyright 2023 Linaro Ltd. <maxim.uvarov@linaro.org>
> + */
> +
> +#ifndef LWIP_PING_H
> +#define LWIP_PING_H
> +
> +#include <lwip/ip_addr.h>
> +
> +/**
> + * PING_USE_SOCKETS: Set to 1 to use sockets, otherwise the raw api is used
> + */

Is there any support for sockets in the current series? IOW if someome sets
this to 1 will it work?  If not get rid of it completely

> +#ifndef PING_USE_SOCKETS
> +#define PING_USE_SOCKETS   0
> +#endif
> +
> +int lwip_ping_init(char *ping_addr);
> +
> +void ping_raw_init(void);
> +void ping_send_now(void);
> +
> +#endif /* LWIP_PING_H */
> diff --git a/lib/lwip/apps/ping/ping.h b/lib/lwip/apps/ping/ping.h
> new file mode 100644
> index 0000000000..0dd4bd78c7
> --- /dev/null
> +++ b/lib/lwip/apps/ping/ping.h
> @@ -0,0 +1,35 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +
> +#include "../../../lwip/ulwip.h"

Again, find a away to include this normally, without all the ../../
uglyness

> +
> +#include "lwip/prot/ip4.h"
> +
> +#define ip4_print_parts(a, b, c, d) \
> +	printf("%" U16_F ".%" U16_F ".%" U16_F ".%" U16_F, a, b, c, d);
> +
> +#define ip4_print(ipaddr) \
> +	ip4_print_parts(\
> +			(u16_t)((ipaddr) != NULL ? ip4_addr1_16(ipaddr) : 0), \
> +			(u16_t)((ipaddr) != NULL ? ip4_addr2_16(ipaddr) : 0), \
> +			(u16_t)((ipaddr) != NULL ? ip4_addr3_16(ipaddr) : 0), \
> +			(u16_t)((ipaddr) != NULL ? ip4_addr4_16(ipaddr) : 0))
> +
> +
> +#define LWIP_DEBUG 1 /* ping_time is under ifdef*/
> +#define PING_RESULT(cond) { \
> +	if (cond == 1) { \
> +		printf("host "); \
> +		ip4_print(addr); \
> +		printf(" is alive\n"); \
> +		printf(" %"U32_F" ms\n", (sys_now() - ping_time)); \
> +		ulwip_exit(0); \
> +	} else { \
> +		printf("ping failed; host "); \
> +		ip4_print(addr); \
> +		printf(" is not alive\n"); \
> +		ulwip_exit(-1); \
> +	} \
> +     } while (0);
> +
> +#include "lwip/ip_addr.h"
> +void ping_init(const ip_addr_t *ping_addr);
> -- 
> 2.30.2
> 


Thanks
/Ilias
Maxim Uvarov Aug. 3, 2023, 3:25 p.m. UTC | #2
On Thu, 3 Aug 2023 at 15:32, Ilias Apalodimas <ilias.apalodimas@linaro.org>
wrote:

> On Wed, Aug 02, 2023 at 08:06:52PM +0600, Maxim Uvarov wrote:
> > Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
> > ---
> >  lib/lwip/Makefile              |  1 +
> >  lib/lwip/apps/ping/Makefile    | 11 ++++++++++
> >  lib/lwip/apps/ping/lwip_ping.c | 37 ++++++++++++++++++++++++++++++++++
> >  lib/lwip/apps/ping/lwip_ping.h | 24 ++++++++++++++++++++++
> >  lib/lwip/apps/ping/ping.h      | 35 ++++++++++++++++++++++++++++++++
> >  5 files changed, 108 insertions(+)
> >  create mode 100644 lib/lwip/apps/ping/Makefile
> >  create mode 100644 lib/lwip/apps/ping/lwip_ping.c
> >  create mode 100644 lib/lwip/apps/ping/lwip_ping.h
> >  create mode 100644 lib/lwip/apps/ping/ping.h
> >
> > diff --git a/lib/lwip/Makefile b/lib/lwip/Makefile
> > index ec6b728c8e..87ed99a230 100644
> > --- a/lib/lwip/Makefile
> > +++ b/lib/lwip/Makefile
> > @@ -67,5 +67,6 @@ obj-$(CONFIG_NET) += port/sys-arch.o
> >
> >  obj-$(CONFIG_CMD_DHCP) += apps/dhcp/lwip-dhcp.o
> >  obj-$(CONFIG_CMD_DNS) += apps/dns/lwip-dns.o
> > +obj-$(CONFIG_CMD_PING) += apps/ping/
> >  obj-$(CONFIG_CMD_TFTPBOOT) += apps/tftp/
> >  obj-$(CONFIG_CMD_WGET) += apps/http/
> > diff --git a/lib/lwip/apps/ping/Makefile b/lib/lwip/apps/ping/Makefile
> > new file mode 100644
> > index 0000000000..0d0a811336
> > --- /dev/null
> > +++ b/lib/lwip/apps/ping/Makefile
> > @@ -0,0 +1,11 @@
> > +ccflags-y += -I$(srctree)/lib/lwip/port/include
> > +ccflags-y += -I$(srctree)/lib/lwip/lwip-external/src/include
> -I$(srctree)/lib/lwip
> > +ccflags-y += -I$(obj)
> > +
> > +.PHONY: $(obj)/ping.c
> > +$(obj)/ping.o: $(obj)/ping.c
> > +$(obj)/ping.c:
> > +     cp $(srctree)/lib/lwip/lwip-external/contrib/apps/ping/ping.c
> $(obj)/ping.c
> > +
> > +obj-$(CONFIG_CMD_PING) += ping.o
> > +obj-$(CONFIG_CMD_PING) += lwip_ping.o
> > diff --git a/lib/lwip/apps/ping/lwip_ping.c
> b/lib/lwip/apps/ping/lwip_ping.c
> > new file mode 100644
> > index 0000000000..40658ab6fd
> > --- /dev/null
> > +++ b/lib/lwip/apps/ping/lwip_ping.c
> > @@ -0,0 +1,37 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +
> > +/*
> > + * (C) Copyright 2023 Linaro Ltd. <maxim.uvarov@linaro.org>
> > + */
> > +
> > +#include "lwip/opt.h"
> > +#include "lwip/ip_addr.h"
> > +#include "ping.h"
> > +
> > +#include <ulwip.h>
> > +
> > +static ip_addr_t ip_target;
> > +
> > +static int ulwip_ping_tmo(void)
> > +{
> > +
> > +     printf("ping failed; host %s is not alive\n",
> ipaddr_ntoa(&ip_target));
> > +     return 0;
>
> Shouldnt this return != 0?


Yes.


> Also why do we need this? Looking at
> ping_raw_init() it ets timeout and print fail messages
>
> No, it doesn't print error messages.  And I wanted to print exactly the
same message as the original ping does to pass validation tests.
=> lwip ping 1.1.1.1
Using virtio-net#30 device
pinging addr: 1.1.1.1
ping failed; host 1.1.1.1 is not alive
=>


> > +}
> > +
> > +int lwip_ping_init(char *ping_addr)
> > +{
> > +     int err;
> > +
> > +     err = ipaddr_aton(ping_addr, &ip_target);
> > +     if (err == 0) {
> > +             printf("wrong ping addr string \"%s\" \n", ping_addr);
> > +             return -1;
> > +     }
> > +
> > +     ulwip_set_tmo(ulwip_ping_tmo);
> > +
> > +     ping_init(&ip_target);
> > +
> > +     return 0;
> > +}
> > diff --git a/lib/lwip/apps/ping/lwip_ping.h
> b/lib/lwip/apps/ping/lwip_ping.h
> > new file mode 100644
> > index 0000000000..7f08095427
> > --- /dev/null
> > +++ b/lib/lwip/apps/ping/lwip_ping.h
> > @@ -0,0 +1,24 @@
> > +/* SPDX-License-Identifier: GPL-2.0+ */
> > +
> > +/*
> > + * (C) Copyright 2023 Linaro Ltd. <maxim.uvarov@linaro.org>
> > + */
> > +
> > +#ifndef LWIP_PING_H
> > +#define LWIP_PING_H
> > +
> > +#include <lwip/ip_addr.h>
> > +
> > +/**
> > + * PING_USE_SOCKETS: Set to 1 to use sockets, otherwise the raw api is
> used
> > + */
>
> Is there any support for sockets in the current series? IOW if someome sets
> this to 1 will it work?  If not get rid of it completely
>
>
Thanks, get rid of it completely. Btw sockets can be implemented, maybe we
will enable them later.


> > +#ifndef PING_USE_SOCKETS
> > +#define PING_USE_SOCKETS   0
> > +#endif
> > +
> > +int lwip_ping_init(char *ping_addr);
> > +
> > +void ping_raw_init(void);
> > +void ping_send_now(void);
> > +
> > +#endif /* LWIP_PING_H */
> > diff --git a/lib/lwip/apps/ping/ping.h b/lib/lwip/apps/ping/ping.h
> > new file mode 100644
> > index 0000000000..0dd4bd78c7
> > --- /dev/null
> > +++ b/lib/lwip/apps/ping/ping.h
> > @@ -0,0 +1,35 @@
> > +/* SPDX-License-Identifier: GPL-2.0 */
> > +
> > +#include "../../../lwip/ulwip.h"
>
> Again, find a away to include this normally, without all the ../../
> uglyness
>
>
yea, fixed everywhere now.


> > +
> > +#include "lwip/prot/ip4.h"
> > +
> > +#define ip4_print_parts(a, b, c, d) \
> > +     printf("%" U16_F ".%" U16_F ".%" U16_F ".%" U16_F, a, b, c, d);
> > +
> > +#define ip4_print(ipaddr) \
> > +     ip4_print_parts(\
> > +                     (u16_t)((ipaddr) != NULL ? ip4_addr1_16(ipaddr) :
> 0), \
> > +                     (u16_t)((ipaddr) != NULL ? ip4_addr2_16(ipaddr) :
> 0), \
> > +                     (u16_t)((ipaddr) != NULL ? ip4_addr3_16(ipaddr) :
> 0), \
> > +                     (u16_t)((ipaddr) != NULL ? ip4_addr4_16(ipaddr) :
> 0))
> > +
> > +
> > +#define LWIP_DEBUG 1 /* ping_time is under ifdef*/
> > +#define PING_RESULT(cond) { \
> > +     if (cond == 1) { \
> > +             printf("host "); \
> > +             ip4_print(addr); \
> > +             printf(" is alive\n"); \
> > +             printf(" %"U32_F" ms\n", (sys_now() - ping_time)); \
> > +             ulwip_exit(0); \
> > +     } else { \
> > +             printf("ping failed; host "); \
> > +             ip4_print(addr); \
> > +             printf(" is not alive\n"); \
> > +             ulwip_exit(-1); \
> > +     } \
> > +     } while (0);
> > +
> > +#include "lwip/ip_addr.h"
> > +void ping_init(const ip_addr_t *ping_addr);
> > --
> > 2.30.2
> >
>
>
> Thanks
> /Ilias
>
diff mbox series

Patch

diff --git a/lib/lwip/Makefile b/lib/lwip/Makefile
index ec6b728c8e..87ed99a230 100644
--- a/lib/lwip/Makefile
+++ b/lib/lwip/Makefile
@@ -67,5 +67,6 @@  obj-$(CONFIG_NET) += port/sys-arch.o
 
 obj-$(CONFIG_CMD_DHCP) += apps/dhcp/lwip-dhcp.o
 obj-$(CONFIG_CMD_DNS) += apps/dns/lwip-dns.o
+obj-$(CONFIG_CMD_PING) += apps/ping/
 obj-$(CONFIG_CMD_TFTPBOOT) += apps/tftp/
 obj-$(CONFIG_CMD_WGET) += apps/http/
diff --git a/lib/lwip/apps/ping/Makefile b/lib/lwip/apps/ping/Makefile
new file mode 100644
index 0000000000..0d0a811336
--- /dev/null
+++ b/lib/lwip/apps/ping/Makefile
@@ -0,0 +1,11 @@ 
+ccflags-y += -I$(srctree)/lib/lwip/port/include
+ccflags-y += -I$(srctree)/lib/lwip/lwip-external/src/include -I$(srctree)/lib/lwip
+ccflags-y += -I$(obj)
+
+.PHONY: $(obj)/ping.c
+$(obj)/ping.o: $(obj)/ping.c
+$(obj)/ping.c:
+	cp $(srctree)/lib/lwip/lwip-external/contrib/apps/ping/ping.c $(obj)/ping.c
+
+obj-$(CONFIG_CMD_PING) += ping.o
+obj-$(CONFIG_CMD_PING) += lwip_ping.o
diff --git a/lib/lwip/apps/ping/lwip_ping.c b/lib/lwip/apps/ping/lwip_ping.c
new file mode 100644
index 0000000000..40658ab6fd
--- /dev/null
+++ b/lib/lwip/apps/ping/lwip_ping.c
@@ -0,0 +1,37 @@ 
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * (C) Copyright 2023 Linaro Ltd. <maxim.uvarov@linaro.org>
+ */
+
+#include "lwip/opt.h"
+#include "lwip/ip_addr.h"
+#include "ping.h"
+
+#include <ulwip.h>
+
+static ip_addr_t ip_target;
+
+static int ulwip_ping_tmo(void)
+{
+
+	printf("ping failed; host %s is not alive\n", ipaddr_ntoa(&ip_target));
+	return 0;
+}
+
+int lwip_ping_init(char *ping_addr)
+{
+	int err;
+
+	err = ipaddr_aton(ping_addr, &ip_target);
+	if (err == 0) {
+		printf("wrong ping addr string \"%s\" \n", ping_addr);
+		return -1;
+	}
+
+	ulwip_set_tmo(ulwip_ping_tmo);
+
+	ping_init(&ip_target);
+
+	return 0;
+}
diff --git a/lib/lwip/apps/ping/lwip_ping.h b/lib/lwip/apps/ping/lwip_ping.h
new file mode 100644
index 0000000000..7f08095427
--- /dev/null
+++ b/lib/lwip/apps/ping/lwip_ping.h
@@ -0,0 +1,24 @@ 
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+/*
+ * (C) Copyright 2023 Linaro Ltd. <maxim.uvarov@linaro.org>
+ */
+
+#ifndef LWIP_PING_H
+#define LWIP_PING_H
+
+#include <lwip/ip_addr.h>
+
+/**
+ * PING_USE_SOCKETS: Set to 1 to use sockets, otherwise the raw api is used
+ */
+#ifndef PING_USE_SOCKETS
+#define PING_USE_SOCKETS   0
+#endif
+
+int lwip_ping_init(char *ping_addr);
+
+void ping_raw_init(void);
+void ping_send_now(void);
+
+#endif /* LWIP_PING_H */
diff --git a/lib/lwip/apps/ping/ping.h b/lib/lwip/apps/ping/ping.h
new file mode 100644
index 0000000000..0dd4bd78c7
--- /dev/null
+++ b/lib/lwip/apps/ping/ping.h
@@ -0,0 +1,35 @@ 
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#include "../../../lwip/ulwip.h"
+
+#include "lwip/prot/ip4.h"
+
+#define ip4_print_parts(a, b, c, d) \
+	printf("%" U16_F ".%" U16_F ".%" U16_F ".%" U16_F, a, b, c, d);
+
+#define ip4_print(ipaddr) \
+	ip4_print_parts(\
+			(u16_t)((ipaddr) != NULL ? ip4_addr1_16(ipaddr) : 0), \
+			(u16_t)((ipaddr) != NULL ? ip4_addr2_16(ipaddr) : 0), \
+			(u16_t)((ipaddr) != NULL ? ip4_addr3_16(ipaddr) : 0), \
+			(u16_t)((ipaddr) != NULL ? ip4_addr4_16(ipaddr) : 0))
+
+
+#define LWIP_DEBUG 1 /* ping_time is under ifdef*/
+#define PING_RESULT(cond) { \
+	if (cond == 1) { \
+		printf("host "); \
+		ip4_print(addr); \
+		printf(" is alive\n"); \
+		printf(" %"U32_F" ms\n", (sys_now() - ping_time)); \
+		ulwip_exit(0); \
+	} else { \
+		printf("ping failed; host "); \
+		ip4_print(addr); \
+		printf(" is not alive\n"); \
+		ulwip_exit(-1); \
+	} \
+     } while (0);
+
+#include "lwip/ip_addr.h"
+void ping_init(const ip_addr_t *ping_addr);