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doc: remove out of date links and info from packet mmap

PATCH Applied Stephen Hemminger 2 participants 2 messages Mar 13, 2018 – Mar 16, 2018

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PATCH 1/1 doc: remove out of date links and info from packet mmap

The packet_mmap documentation had links to no longer existing web sites; replace with other site which has similar example.

Support for packet mmap has been in mainline versions of libpcap for several years.

---
 Documentation/networking/packet_mmap.txt | 22 +++++-----------------
 1 file changed, 5 insertions(+), 17 deletions(-)
Documentation/networking/packet_mmap.txt +5 -17
index bf654845556e..999eb41da81d 100644
@@ -7,15 +7,12 @@ socket interface on 2.4/2.6/3.x kernels. This type of sockets is used for
 i) capture network traffic with utilities like tcpdump, ii) transmit network
 traffic, or any other that needs raw access to network interface.
 
-You can find the latest version of this document at:
-    http://wiki.ipxwarzone.com/index.php5?title=Linux_packet_mmap
-
 Howto can be found at:
-    http://wiki.gnu-log.net (packet_mmap)
+    https://sites.google.com/site/packetmmap/
 
 Please send your comments to
     Ulisses Alonso Camaró <[email protected]>
-    Johann Baudy <[email protected]>
+    Johann Baudy
 
 -------------------------------------------------------------------------------
 + Why use PACKET_MMAP
@@ -51,17 +48,8 @@ From the user standpoint, you should use the higher level libpcap library, which
 is a de facto standard, portable across nearly all operating systems
 including Win32. 
 
-Said that, at time of this writing, official libpcap 0.8.1 is out and doesn't include
-support for PACKET_MMAP, and also probably the libpcap included in your distribution. 
-
-I'm aware of two implementations of PACKET_MMAP in libpcap:
-
-    http://wiki.ipxwarzone.com/		     (by Simon Patarin, based on libpcap 0.6.2)
-    http://public.lanl.gov/cpw/              (by Phil Wood, based on lastest libpcap)
-
-The rest of this document is intended for people who want to understand
-the low level details or want to improve libpcap by including PACKET_MMAP
-support.
+Packet MMAP support was integrated into libpcap around the time of version 1.3.0;
+TPACKET_V3 support was added in version 1.5.0
 
 --------------------------------------------------------------------------------
 + How to use mmap() directly to improve capture process
@@ -174,7 +162,7 @@ As capture, each frame contains two parts:
  /* bind socket to eth0 */
  bind(this->socket, (struct sockaddr *)&my_addr, sizeof(struct sockaddr_ll));
 
- A complete tutorial is available at: http://wiki.gnu-log.net/
+ A complete tutorial is available at: https://sites.google.com/site/packetmmap/
 
 By default, the user should put data at :
  frame base + TPACKET_HDRLEN - sizeof(struct sockaddr_ll)
Signature · 1 line
2.16.1
Applied
#1 lore raw

From: Stephen Hemminger <[email protected]>
Date: Tue, 13 Mar 2018 12:24:19 -0700

Quoted 7 lines

The packet_mmap documentation had links to no longer existing web sites; replace with other site which has similar example.

Support for packet mmap has been in mainline versions of libpcap for several years.

Applied, thanks Stephen.