diff options
author | David S. Miller <davem@davemloft.net> | 2010-02-05 19:29:48 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-02-05 19:29:48 -0500 |
commit | 889b8f964f2f226b7cd5a0a515109e3d8d9d1613 (patch) | |
tree | c576152db1b3ea0b68206393735aec566e9aadf3 /Documentation/networking/packet_mmap.txt | |
parent | 7aeef972cce30b0ab04047e07918b04d867e7a29 (diff) |
packet: Kill CONFIG_PACKET_MMAP.
Early on this was an experimental facility that few
people other than Alexey Kuznetsov played with.
Now it's a pretty fundamental thing and as people add
more features to AF_PACKET sockets this config options
creates ifdef spaghetti.
So kill it off.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking/packet_mmap.txt')
-rw-r--r-- | Documentation/networking/packet_mmap.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/networking/packet_mmap.txt b/Documentation/networking/packet_mmap.txt index a22fd85e3796..09ab0d290326 100644 --- a/Documentation/networking/packet_mmap.txt +++ b/Documentation/networking/packet_mmap.txt | |||
@@ -2,7 +2,7 @@ | |||
2 | + ABSTRACT | 2 | + ABSTRACT |
3 | -------------------------------------------------------------------------------- | 3 | -------------------------------------------------------------------------------- |
4 | 4 | ||
5 | This file documents the CONFIG_PACKET_MMAP option available with the PACKET | 5 | This file documents the mmap() facility available with the PACKET |
6 | socket interface on 2.4 and 2.6 kernels. This type of sockets is used for | 6 | socket interface on 2.4 and 2.6 kernels. This type of sockets is used for |
7 | capture network traffic with utilities like tcpdump or any other that needs | 7 | capture network traffic with utilities like tcpdump or any other that needs |
8 | raw access to network interface. | 8 | raw access to network interface. |
@@ -44,7 +44,7 @@ enabled. For transmission, check the MTU (Maximum Transmission Unit) used and | |||
44 | supported by devices of your network. | 44 | supported by devices of your network. |
45 | 45 | ||
46 | -------------------------------------------------------------------------------- | 46 | -------------------------------------------------------------------------------- |
47 | + How to use CONFIG_PACKET_MMAP to improve capture process | 47 | + How to use mmap() to improve capture process |
48 | -------------------------------------------------------------------------------- | 48 | -------------------------------------------------------------------------------- |
49 | 49 | ||
50 | From the user standpoint, you should use the higher level libpcap library, which | 50 | From the user standpoint, you should use the higher level libpcap library, which |
@@ -64,7 +64,7 @@ the low level details or want to improve libpcap by including PACKET_MMAP | |||
64 | support. | 64 | support. |
65 | 65 | ||
66 | -------------------------------------------------------------------------------- | 66 | -------------------------------------------------------------------------------- |
67 | + How to use CONFIG_PACKET_MMAP directly to improve capture process | 67 | + How to use mmap() directly to improve capture process |
68 | -------------------------------------------------------------------------------- | 68 | -------------------------------------------------------------------------------- |
69 | 69 | ||
70 | From the system calls stand point, the use of PACKET_MMAP involves | 70 | From the system calls stand point, the use of PACKET_MMAP involves |
@@ -105,7 +105,7 @@ also the mapping of the circular buffer in the user process and | |||
105 | the use of this buffer. | 105 | the use of this buffer. |
106 | 106 | ||
107 | -------------------------------------------------------------------------------- | 107 | -------------------------------------------------------------------------------- |
108 | + How to use CONFIG_PACKET_MMAP directly to improve transmission process | 108 | + How to use mmap() directly to improve transmission process |
109 | -------------------------------------------------------------------------------- | 109 | -------------------------------------------------------------------------------- |
110 | Transmission process is similar to capture as shown below. | 110 | Transmission process is similar to capture as shown below. |
111 | 111 | ||