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Merge branch 'lsp-refresh' of github.com:rtbrick/bngblaster into lsp-refresh

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This commit is contained in:
Hannes Gredler
2022-04-21 15:54:05 +00:00
parent c4ef0d0eb8 4390734480
commit 1846bb1387
75 changed files with 250 additions and 96 deletions
Download Patch File Download Diff File Expand all files Collapse all files
code/bngblaster/src/bbl.h
+2 -2
View File
@@ -39,8 +39,8 @@
#include "bgp/bgp.h"
#include "isis/isis.h"
WINDOW *log_win;
WINDOW *stats_win;
extern WINDOW *log_win;
extern WINDOW *stats_win;
void
enable_disable_traffic(bbl_ctx_s *ctx, bool status);
code/bngblaster/src/bbl_rx.c
+15 -6
View File
@@ -1541,8 +1541,10 @@ bbl_rx_discovery(bbl_ethernet_header_t *eth, bbl_interface_s *interface, bbl_ses
memcpy(session->pppoe_service_name, pppoed->service_name, pppoed->service_name_len);
}
} else {
LOG(PPPOE, "PPPoE Error (ID: %u) Missing service name in PADO\n", session->session_id);
return;
if(session->pppoe_service_name_len) {
LOG(PPPOE, "PPPoE Error (ID: %u) Missing service name in PADO\n", session->session_id);
return;
}
}
if(session->pppoe_host_uniq) {
if(pppoed->host_uniq_len != sizeof(uint64_t) ||
@@ -1567,10 +1569,17 @@ bbl_rx_discovery(bbl_ethernet_header_t *eth, bbl_interface_s *interface, bbl_ses
return;
}
}
if(pppoed->service_name_len != session->pppoe_service_name_len ||
memcmp(pppoed->service_name, session->pppoe_service_name, session->pppoe_service_name_len) != 0) {
LOG(PPPOE, "PPPoE Error (ID: %u) Wrong service name in PADS\n", session->session_id);
return;
if(pppoed->service_name_len) {
if(pppoed->service_name_len != session->pppoe_service_name_len ||
memcmp(pppoed->service_name, session->pppoe_service_name, session->pppoe_service_name_len) != 0) {
LOG(PPPOE, "PPPoE Error (ID: %u) Wrong service name in PADS\n", session->session_id);
return;
}
} else {
if(session->pppoe_service_name_len) {
LOG(PPPOE, "PPPoE Error (ID: %u) Missing service name in PADS\n", session->session_id);
return;
}
}
session->pppoe_session_id = pppoed->session_id;
bbl_session_update_state(ctx, session, BBL_PPP_LINK);
docs/_sources/api/igmp.rst.txt
+5 -1
View File
@@ -24,4 +24,8 @@
* - `zapping-stop`
- Stop IGMP zapping test
-
-
-
* - `zapping-stats`
- Return IGMP zapping stats
-
- `reset`
docs/_sources/configuration/interfaces.rst.txt
+7 -4
View File
@@ -12,10 +12,10 @@
- Default
* - `tx-interval`
- TX ring polling interval in milliseconds
- 5.0
- 1.0
* - `rx-interval`
- RX ring polling interval in milliseconds
- 5.0
- 1.0
* - `qdisc-bypass`
- Bypass the kernel's qdisc layer
- true
@@ -24,10 +24,13 @@
- packet_mmap_raw
* - `io-slots`
- IO slots (ring size)
- 1024
- 4096
* - `io-stream-max-ppi`
- IO traffic stream max packets per interval
- 32
* - `capture-include-streams`
- Include traffic streams in capture
- true
- true
* - `mac-modifier`
- Third byte of access session MAC address (0-255)
- 0
docs/_sources/interfaces.rst.txt
+41 -1
View File
@@ -29,7 +29,7 @@ The following settings are applied to all interfaces.
The ``tx-interval`` and ``rx-interval`` should be set to at to at least ``1.0`` (1ms)
if more precise timestamps or high throughput is needed. This is recommended for IGMP
join/leave or QoS delay measurements. For higher packet rates (>1g) it might be needed to
increase the ``io-slots`` from the default value of ``1024`` to ``2048`` or more.
increase the ``io-slots`` from the default value of ``4096``.
The supported IO modes are listed with ``bngblaster -v`` but except
``packet_mmap_raw`` all other modes are currently considered as experimental. In
@@ -75,6 +75,46 @@ interface.
.. note:: The number of interfaces is currently limited to 32!
It might be also needed to increase the hardware and software queue size of your
network interfaces for higher throughput.
The command ``ethtool -g <interface>`` shows the currently applied and maximum
hardware queue size.
.. code-block:: none
$ sudo ethtool -g ens5f1
Ring parameters for ens5f1:
Pre-set maximums:
RX: 4096
RX Mini: 0
RX Jumbo: 0
TX: 4096
Current hardware settings:
RX: 512
RX Mini: 0
RX Jumbo: 0
TX: 512
The currently applied settings can be change with the following command:
.. code-block:: none
sudo ethtool -G ens5f1 tx 4096 rx 4096
You can even change the software queue size:
.. code-block:: none
sudo ip link set txqueuelen 4096 dev ens5f1
.. note::
Today all traffic is received in main thread, therefore
the single thread performance of your CPU is the most
significant performance factor.
Network Interfaces
------------------
docs/_static/documentation_options.js
Vendored
+1 -1
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@@ -1,6 +1,6 @@
var DOCUMENTATION_OPTIONS = {
URL_ROOT: document.getElementById("documentation_options").getAttribute('data-url_root'),
VERSION: '0.0',
VERSION: '0.7',
LANGUAGE: 'None',
COLLAPSE_INDEX: false,
BUILDER: 'html',
docs/access/index.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Access Protocols &mdash; BNG Blaster 0.0 documentation</title>
<title>Access Protocols &mdash; BNG Blaster 0.7 documentation</title>
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="../_static/tabs.css" type="text/css" />
docs/access/ipoe.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>IPoE &mdash; BNG Blaster 0.0 documentation</title>
<title>IPoE &mdash; BNG Blaster 0.7 documentation</title>
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="../_static/tabs.css" type="text/css" />
docs/access/l2bsa.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>L2BSA &mdash; BNG Blaster 0.0 documentation</title>
<title>L2BSA &mdash; BNG Blaster 0.7 documentation</title>
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="../_static/tabs.css" type="text/css" />
docs/access/l2tp.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>L2TP &mdash; BNG Blaster 0.0 documentation</title>
<title>L2TP &mdash; BNG Blaster 0.7 documentation</title>
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="../_static/tabs.css" type="text/css" />
docs/access/li.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Legal Interception (LI) &mdash; BNG Blaster 0.0 documentation</title>
<title>Legal Interception (LI) &mdash; BNG Blaster 0.7 documentation</title>
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="../_static/tabs.css" type="text/css" />
docs/access/multicast.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Multicast and IPTV &mdash; BNG Blaster 0.0 documentation</title>
<title>Multicast and IPTV &mdash; BNG Blaster 0.7 documentation</title>
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="../_static/tabs.css" type="text/css" />
docs/access/pppoe.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>PPPoE &mdash; BNG Blaster 0.0 documentation</title>
<title>PPPoE &mdash; BNG Blaster 0.7 documentation</title>
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="../_static/tabs.css" type="text/css" />
docs/access/traffic.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Session Traffic &mdash; BNG Blaster 0.0 documentation</title>
<title>Session Traffic &mdash; BNG Blaster 0.7 documentation</title>
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="../_static/tabs.css" type="text/css" />
docs/api/bgp.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>&lt;no title&gt; &mdash; BNG Blaster 0.0 documentation</title>
<title>&lt;no title&gt; &mdash; BNG Blaster 0.7 documentation</title>
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="../_static/tabs.css" type="text/css" />
docs/api/cfm.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>&lt;no title&gt; &mdash; BNG Blaster 0.0 documentation</title>
<title>&lt;no title&gt; &mdash; BNG Blaster 0.7 documentation</title>
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="../_static/tabs.css" type="text/css" />
docs/api/igmp.html
+6 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>&lt;no title&gt; &mdash; BNG Blaster 0.0 documentation</title>
<title>&lt;no title&gt; &mdash; BNG Blaster 0.7 documentation</title>
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
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@@ -116,6 +116,11 @@
<td></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><cite>zapping-stats</cite></p></td>
<td><p>Return IGMP zapping stats</p></td>
<td></td>
<td><p><cite>reset</cite></p></td>
</tr>
</tbody>
</table>
docs/api/index.html
+6 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>API/CLI &mdash; BNG Blaster 0.0 documentation</title>
<title>API/CLI &mdash; BNG Blaster 0.7 documentation</title>
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
<link rel="stylesheet" href="../_static/tabs.css" type="text/css" />
@@ -434,6 +434,11 @@ session-id for which a connect speed update is requested.</p>
<td></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><cite>zapping-stats</cite></p></td>
<td><p>Return IGMP zapping stats</p></td>
<td></td>
<td><p><cite>reset</cite></p></td>
</tr>
</tbody>
</table>
</section>
docs/api/interfaces.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>&lt;no title&gt; &mdash; BNG Blaster 0.7 documentation</title>
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docs/api/isis.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>&lt;no title&gt; &mdash; BNG Blaster 0.0 documentation</title>
<title>&lt;no title&gt; &mdash; BNG Blaster 0.7 documentation</title>
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docs/api/l2tp.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>&lt;no title&gt; &mdash; BNG Blaster 0.0 documentation</title>
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docs/api/li.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>&lt;no title&gt; &mdash; BNG Blaster 0.0 documentation</title>
<title>&lt;no title&gt; &mdash; BNG Blaster 0.7 documentation</title>
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docs/api/ppp.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>&lt;no title&gt; &mdash; BNG Blaster 0.0 documentation</title>
<title>&lt;no title&gt; &mdash; BNG Blaster 0.7 documentation</title>
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docs/api/sessions.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>&lt;no title&gt; &mdash; BNG Blaster 0.0 documentation</title>
<title>&lt;no title&gt; &mdash; BNG Blaster 0.7 documentation</title>
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docs/api/streams.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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docs/api/traffic.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
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docs/configuration/access_line.html
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docs/configuration/access_line_profiles.html
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<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
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docs/configuration/bgp.html
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
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docs/configuration/dhcp.html
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
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docs/configuration/dhcpv6.html
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docs/configuration/igmp.html
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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docs/configuration/index.html
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@@ -4,7 +4,7 @@
<meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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@@ -135,11 +135,11 @@
<tbody>
<tr class="row-even"><td><p><cite>tx-interval</cite></p></td>
<td><p>TX ring polling interval in milliseconds</p></td>
<td><p>5.0</p></td>
<td><p>1.0</p></td>
</tr>
<tr class="row-odd"><td><p><cite>rx-interval</cite></p></td>
<td><p>RX ring polling interval in milliseconds</p></td>
<td><p>5.0</p></td>
<td><p>1.0</p></td>
</tr>
<tr class="row-even"><td><p><cite>qdisc-bypass</cite></p></td>
<td><p>Bypass the kernel’s qdisc layer</p></td>
@@ -151,7 +151,7 @@
</tr>
<tr class="row-even"><td><p><cite>io-slots</cite></p></td>
<td><p>IO slots (ring size)</p></td>
<td><p>1024</p></td>
<td><p>4096</p></td>
</tr>
<tr class="row-odd"><td><p><cite>io-stream-max-ppi</cite></p></td>
<td><p>IO traffic stream max packets per interval</p></td>
@@ -161,6 +161,10 @@
<td><p>Include traffic streams in capture</p></td>
<td><p>true</p></td>
</tr>
<tr class="row-odd"><td><p><cite>mac-modifier</cite></p></td>
<td><p>Third byte of access session MAC address (0-255)</p></td>
<td><p>0</p></td>
</tr>
</tbody>
</table>
<section id="network-interfaces">
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@@ -94,11 +94,11 @@
<tbody>
<tr class="row-even"><td><p><cite>tx-interval</cite></p></td>
<td><p>TX ring polling interval in milliseconds</p></td>
<td><p>5.0</p></td>
<td><p>1.0</p></td>
</tr>
<tr class="row-odd"><td><p><cite>rx-interval</cite></p></td>
<td><p>RX ring polling interval in milliseconds</p></td>
<td><p>5.0</p></td>
<td><p>1.0</p></td>
</tr>
<tr class="row-even"><td><p><cite>qdisc-bypass</cite></p></td>
<td><p>Bypass the kernel’s qdisc layer</p></td>
@@ -110,7 +110,7 @@
</tr>
<tr class="row-even"><td><p><cite>io-slots</cite></p></td>
<td><p>IO slots (ring size)</p></td>
<td><p>1024</p></td>
<td><p>4096</p></td>
</tr>
<tr class="row-odd"><td><p><cite>io-stream-max-ppi</cite></p></td>
<td><p>IO traffic stream max packets per interval</p></td>
@@ -120,6 +120,10 @@
<td><p>Include traffic streams in capture</p></td>
<td><p>true</p></td>
</tr>
<tr class="row-odd"><td><p><cite>mac-modifier</cite></p></td>
<td><p>Third byte of access session MAC address (0-255)</p></td>
<td><p>0</p></td>
</tr>
</tbody>
</table>
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<title>Installation &mdash; BNG Blaster 0.7 documentation</title>
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<title>Interfaces &mdash; BNG Blaster 0.0 documentation</title>
<title>Interfaces &mdash; BNG Blaster 0.7 documentation</title>
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@@ -125,11 +125,11 @@ one interface is required to start the BNG Blaster.</p>
<tbody>
<tr class="row-even"><td><p><cite>tx-interval</cite></p></td>
<td><p>TX ring polling interval in milliseconds</p></td>
<td><p>5.0</p></td>
<td><p>1.0</p></td>
</tr>
<tr class="row-odd"><td><p><cite>rx-interval</cite></p></td>
<td><p>RX ring polling interval in milliseconds</p></td>
<td><p>5.0</p></td>
<td><p>1.0</p></td>
</tr>
<tr class="row-even"><td><p><cite>qdisc-bypass</cite></p></td>
<td><p>Bypass the kernel’s qdisc layer</p></td>
@@ -141,7 +141,7 @@ one interface is required to start the BNG Blaster.</p>
</tr>
<tr class="row-even"><td><p><cite>io-slots</cite></p></td>
<td><p>IO slots (ring size)</p></td>
<td><p>1024</p></td>
<td><p>4096</p></td>
</tr>
<tr class="row-odd"><td><p><cite>io-stream-max-ppi</cite></p></td>
<td><p>IO traffic stream max packets per interval</p></td>
@@ -151,12 +151,16 @@ one interface is required to start the BNG Blaster.</p>
<td><p>Include traffic streams in capture</p></td>
<td><p>true</p></td>
</tr>
<tr class="row-odd"><td><p><cite>mac-modifier</cite></p></td>
<td><p>Third byte of access session MAC address (0-255)</p></td>
<td><p>0</p></td>
</tr>
</tbody>
</table>
<p>The <code class="docutils literal notranslate"><span class="pre">tx-interval</span></code> and <code class="docutils literal notranslate"><span class="pre">rx-interval</span></code> should be set to at to at least <code class="docutils literal notranslate"><span class="pre">1.0</span></code> (1ms)
if more precise timestamps or high throughput is needed. This is recommended for IGMP
join/leave or QoS delay measurements. For higher packet rates (&gt;1g) it might be needed to
increase the <code class="docutils literal notranslate"><span class="pre">io-slots</span></code> from the default value of <code class="docutils literal notranslate"><span class="pre">1024</span></code> to <code class="docutils literal notranslate"><span class="pre">2048</span></code> or more.</p>
increase the <code class="docutils literal notranslate"><span class="pre">io-slots</span></code> from the default value of <code class="docutils literal notranslate"><span class="pre">4096</span></code>.</p>
<p>The supported IO modes are listed with <code class="docutils literal notranslate"><span class="pre">bngblaster</span> <span class="pre">-v</span></code> but except
<code class="docutils literal notranslate"><span class="pre">packet_mmap_raw</span></code> all other modes are currently considered as experimental. In
the default mode (<code class="docutils literal notranslate"><span class="pre">packet_mmap_raw</span></code>) all packets are received in a Packet MMAP
@@ -194,6 +198,38 @@ interface.</p>
<p class="admonition-title">Note</p>
<p>The number of interfaces is currently limited to 32!</p>
</div>
<p>It might be also needed to increase the hardware and software queue size of your
network interfaces for higher throughput.</p>
<p>The command <code class="docutils literal notranslate"><span class="pre">ethtool</span> <span class="pre">-g</span> <span class="pre">&lt;interface&gt;</span></code> shows the currently applied and maximum
hardware queue size.</p>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>$ sudo ethtool -g ens5f1
Ring parameters for ens5f1:
Pre-set maximums:
RX: 4096
RX Mini: 0
RX Jumbo: 0
TX: 4096
Current hardware settings:
RX: 512
RX Mini: 0
RX Jumbo: 0
TX: 512
</pre></div>
</div>
<p>The currently applied settings can be change with the following command:</p>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>sudo ethtool -G ens5f1 tx 4096 rx 4096
</pre></div>
</div>
<p>You can even change the software queue size:</p>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>sudo ip link set txqueuelen 4096 dev ens5f1
</pre></div>
</div>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Today all traffic is received in main thread, therefore
the single thread performance of your CPU is the most
significant performance factor.</p>
</div>
</section>
<section id="network-interfaces">
<h2>Network Interfaces<a class="headerlink" href="#network-interfaces" title="Permalink to this headline"></a></h2>
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docsrc/sources/api/igmp.rst
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* - `zapping-stop`
- Stop IGMP zapping test
-
-
-
* - `zapping-stats`
- Return IGMP zapping stats
-
- `reset`
docsrc/sources/conf.py
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project = 'BNG Blaster'
copyright = '2020-2022, RtBrick, Inc.'
author = 'Christian Giese'
release = '0.0'
version = '0.0.0'
release = '0.7'
version = '0.7.2'
# -- General configuration
docsrc/sources/configuration/interfaces.rst
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- Default
* - `tx-interval`
- TX ring polling interval in milliseconds
- 5.0
- 1.0
* - `rx-interval`
- RX ring polling interval in milliseconds
- 5.0
- 1.0
* - `qdisc-bypass`
- Bypass the kernel's qdisc layer
- true
@@ -24,7 +24,7 @@
- packet_mmap_raw
* - `io-slots`
- IO slots (ring size)
- 1024
- 4096
* - `io-stream-max-ppi`
- IO traffic stream max packets per interval
- 32
docsrc/sources/interfaces.rst
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@@ -29,7 +29,7 @@ The following settings are applied to all interfaces.
The ``tx-interval`` and ``rx-interval`` should be set to at to at least ``1.0`` (1ms)
if more precise timestamps or high throughput is needed. This is recommended for IGMP
join/leave or QoS delay measurements. For higher packet rates (>1g) it might be needed to
increase the ``io-slots`` from the default value of ``1024`` to ``2048`` or more.
increase the ``io-slots`` from the default value of ``4096``.
The supported IO modes are listed with ``bngblaster -v`` but except
``packet_mmap_raw`` all other modes are currently considered as experimental. In
@@ -75,6 +75,46 @@ interface.
.. note:: The number of interfaces is currently limited to 32!
It might be also needed to increase the hardware and software queue size of your
network interfaces for higher throughput.
The command ``ethtool -g <interface>`` shows the currently applied and maximum
hardware queue size.
.. code-block:: none
$ sudo ethtool -g ens5f1
Ring parameters for ens5f1:
Pre-set maximums:
RX: 4096
RX Mini: 0
RX Jumbo: 0
TX: 4096
Current hardware settings:
RX: 512
RX Mini: 0
RX Jumbo: 0
TX: 512
The currently applied settings can be change with the following command:
.. code-block:: none
sudo ethtool -G ens5f1 tx 4096 rx 4096
You can even change the software queue size:
.. code-block:: none
sudo ip link set txqueuelen 4096 dev ens5f1
.. note::
Today all traffic is received in main thread, therefore
the single thread performance of your CPU is the most
significant performance factor.
Network Interfaces
------------------