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| author | vans163 <[email protected]> | 2017-01-31 14:07:27 -0500 |
|---|---|---|
| committer | Ingela Anderton Andin <[email protected]> | 2017-03-16 14:36:49 +0100 |
| commit | 0ef9dd12e5e77d67244dca580c1a706878c272bf (patch) | |
| tree | eee8bf792c4ffbf9b7f82bc29b7ab5529f79e624 /lib/kernel/doc/src/inet.xml | |
| parent | 9b133547ba26090dfc0dd457fa7ec8dc8329109c (diff) | |
| download | otp-0ef9dd12e5e77d67244dca580c1a706878c272bf.tar.gz otp-0ef9dd12e5e77d67244dca580c1a706878c272bf.tar.bz2 otp-0ef9dd12e5e77d67244dca580c1a706878c272bf.zip | |
Update inet.xml. Note buffer relation to MTU
The documentation does not indicate this is the buffer responsible for the maximum bytes we can receive from a recv call.
Diffstat (limited to 'lib/kernel/doc/src/inet.xml')
| -rw-r--r-- | lib/kernel/doc/src/inet.xml | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml index 4c4a5c39cb..d557efb6a8 100644 --- a/lib/kernel/doc/src/inet.xml +++ b/lib/kernel/doc/src/inet.xml @@ -659,7 +659,8 @@ get_tcpi_sacked(Sock) -> <tag><c>{buffer, Size}</c></tag> <item> <p>The size of the user-level software buffer used by - the driver. Not to be confused with options <c>sndbuf</c> + the driver. + Not to be confused with options <c>sndbuf</c> and <c>recbuf</c>, which correspond to the Kernel socket buffers. It is recommended to have <c>val(buffer) >= max(val(sndbuf),val(recbuf))</c> to @@ -670,6 +671,9 @@ get_tcpi_sacked(Sock) -> usually become larger, you are encouraged to use <seealso marker="#getopts/2"><c>getopts/2</c></seealso> to analyze the behavior of your operating system.</p> + <p>Note that this is also the maximum amount of data that can be + received from a single recv call. If you are using higher than + normal MTU consider setting buffer higher.</p> </item> <tag><c>{delay_send, Boolean}</c></tag> <item> |