Re: Sending using pfring_send()

Alfredo Cardigliano <[email protected]> Mon, 8 Jul 2019 19:05:10 +0200
Newsgroups	gmane.linux.ntop.devel
Message-ID	<[email protected]>
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Hi Eitan
please note that you are opening 2 interfaces with pfring_open,
it seems that pfring_send() should send traffic to a single interface,
what is the expected behaviour in your application?

Alfredo

> On 8 Jul 2019, at 17:58, Eitan Michaelson <[email protected]> wrote:
>=20
> Hi,
>=20
> I Just did ..
>=20
> pfring_open("eth0, eth1"...)..OK
> pfring_set_direction(rx_and_tx_direction) .. OK (not sure if I =
actually needs this one)
> pfring_set_socket_mode(send_and_recv_mode) ..OK=20
> pfring_enable_ring() .. OK
> pfring_recv(blocking) .. I'm getting packets from the interfaces
>=20
> However,
> When I try to send data using pfring_send() I'm getting -1.
> Note that my little test is actually sending the same packet that was =
received from pfring_recv()
> Not very smart but its just a test :)
> Kernel module parameters : min_num_slots=3D65536 enable_tx_capture=3D0
> What did I do wrong ?
>=20
> And if it was sending successfully, through which interface would it =
be sending from?
> Since I was open multiple interfaces using pfring_open()
>=20
> 10x
> Eitan.
>=20
>=20
>=20
>=20
> _______________________________________________
> Ntop-dev mailing list
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">Hi =
Eitan<div class=3D"">please note that you are opening 2 interfaces with =
pfring_open,</div><div class=3D"">it seems that pfring_send() should =
send traffic to a single interface,</div><div class=3D"">what is the =
expected behaviour in your application?</div><div class=3D""><br =
class=3D""></div><div class=3D"">Alfredo<br class=3D""><div><br =
class=3D""><blockquote type=3D"cite" class=3D""><div class=3D"">On 8 Jul =
2019, at 17:58, Eitan Michaelson &lt;<a href=3D"mailto:[email protected]" =
class=3D"">[email protected]</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div =
style=3D"margin-bottom: 0cm; margin-top: 0pt; caret-color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
background-color: rgb(255, 255, 255); text-decoration: none;" =
class=3D"">Hi,</div><div style=3D"margin-bottom: 0cm; margin-top: 0pt; =
caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; =
font-style: normal; font-variant-caps: normal; font-weight: normal; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); =
text-decoration: none;" class=3D""><br class=3D""></div><div =
style=3D"margin-bottom: 0cm; margin-top: 0pt; caret-color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
background-color: rgb(255, 255, 255); text-decoration: none;" class=3D"">I=
 Just did ..</div><div style=3D"margin-bottom: 0cm; margin-top: 0pt; =
caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; =
font-style: normal; font-variant-caps: normal; font-weight: normal; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); =
text-decoration: none;" class=3D""><br class=3D""></div><div =
style=3D"margin-bottom: 0cm; margin-top: 0pt; caret-color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
background-color: rgb(255, 255, 255); text-decoration: none;" =
class=3D"">pfring_open("<font color=3D"#ff0000" class=3D"">eth0, =
eth1</font>"...)..OK</div><div style=3D"margin-bottom: 0cm; margin-top: =
0pt; caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; =
font-style: normal; font-variant-caps: normal; font-weight: normal; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); =
text-decoration: none;" =
class=3D"">pfring_set_direction(rx_and_tx_direction) .. OK (not sure if =
I actually needs this one)<br =
class=3D"">pfring_set_socket_mode(send_and_recv_mode) ..OK<span =
class=3D"Apple-converted-space">&nbsp;</span><br class=3D""></div><div =
style=3D"margin-bottom: 0cm; margin-top: 0pt; caret-color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
background-color: rgb(255, 255, 255); text-decoration: none;" =
class=3D"">pfring_enable_ring() .. OK</div><div style=3D"margin-bottom: =
0cm; margin-top: 0pt; caret-color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant-caps: normal; =
font-weight: normal; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: =
rgb(255, 255, 255); text-decoration: none;" =
class=3D"">pfring_recv(blocking) .. I'm getting packets from the =
interfaces</div><div style=3D"margin-bottom: 0cm; margin-top: 0pt; =
caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; =
font-style: normal; font-variant-caps: normal; font-weight: normal; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); =
text-decoration: none;" class=3D""><br class=3D""></div><div =
style=3D"margin-bottom: 0cm; margin-top: 0pt; caret-color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
background-color: rgb(255, 255, 255); text-decoration: none;" =
class=3D"">However,<br class=3D""></div><div style=3D"margin-bottom: =
0cm; margin-top: 0pt; caret-color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant-caps: normal; =
font-weight: normal; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: =
rgb(255, 255, 255); text-decoration: none;" class=3D"">When I try to =
send data using pfring_send() I'm getting -1.</div><div =
style=3D"margin-bottom: 0cm; margin-top: 0pt; caret-color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
background-color: rgb(255, 255, 255); text-decoration: none;" =
class=3D"">Note that my little test is actually sending the same packet =
that was received from pfring_recv()</div><div style=3D"margin-bottom: =
0cm; margin-top: 0pt; caret-color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant-caps: normal; =
font-weight: normal; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: =
rgb(255, 255, 255); text-decoration: none;" class=3D"">Not very smart =
but its just a test :)</div><div style=3D"margin-bottom: 0cm; =
margin-top: 0pt; caret-color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant-caps: normal; =
font-weight: normal; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: =
rgb(255, 255, 255); text-decoration: none;" class=3D"">Kernel module =
parameters : min_num_slots=3D65536 enable_tx_capture=3D0<br =
class=3D""></div><div style=3D"margin-bottom: 0cm; margin-top: 0pt; =
caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; =
font-style: normal; font-variant-caps: normal; font-weight: normal; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); =
text-decoration: none;" class=3D"">What did I do wrong ?</div><div =
style=3D"margin-bottom: 0cm; margin-top: 0pt; caret-color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
background-color: rgb(255, 255, 255); text-decoration: none;" =
class=3D""><br class=3D""></div><div style=3D"margin-bottom: 0cm; =
margin-top: 0pt; caret-color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant-caps: normal; =
font-weight: normal; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: =
rgb(255, 255, 255); text-decoration: none;" class=3D"">And if it was =
sending successfully, through which interface would it be sending =
from?</div><div style=3D"margin-bottom: 0cm; margin-top: 0pt; =
caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; =
font-style: normal; font-variant-caps: normal; font-weight: normal; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); =
text-decoration: none;" class=3D"">Since I was open multiple interfaces =
using pfring_open()</div><div style=3D"margin-bottom: 0cm; margin-top: =
0pt; caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; =
font-style: normal; font-variant-caps: normal; font-weight: normal; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); =
text-decoration: none;" class=3D""><br class=3D""></div><div =
style=3D"margin-bottom: 0cm; margin-top: 0pt; caret-color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
background-color: rgb(255, 255, 255); text-decoration: none;" =
class=3D"">10x</div><div style=3D"margin-bottom: 0cm; margin-top: 0pt; =
caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; =
font-style: normal; font-variant-caps: normal; font-weight: normal; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); =
text-decoration: none;" class=3D"">Eitan.</div><div =
style=3D"margin-bottom: 0cm; margin-top: 0pt; caret-color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
background-color: rgb(255, 255, 255); text-decoration: none;" =
class=3D""><br class=3D""></div><p style=3D"margin-bottom: 0cm; =
margin-top: 0pt; caret-color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant-caps: normal; =
font-weight: normal; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: =
rgb(255, 255, 255); text-decoration: none;" class=3D""></p><div =
style=3D"margin-bottom: 0cm; margin-top: 0pt; caret-color: rgb(0, 0, 0); =
font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
background-color: rgb(255, 255, 255); text-decoration: none;" =
class=3D""><br class=3D""></div><div style=3D"margin-bottom: 0cm; =
margin-top: 0pt; caret-color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant-caps: normal; =
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text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: =
rgb(255, 255, 255); text-decoration: none;" class=3D""><br =
class=3D""></div><div style=3D"margin-bottom: 0cm; margin-top: 0pt; =
caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; =
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