Fix multiple grammatical issues and add a missing period to improve
readability.
Signed-off-by: Leo Stone <leocstone@xxxxxxxxx>
---
Documentation/networking/tcp_ao.rst | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/Documentation/networking/tcp_ao.rst b/Documentation/networking/tcp_ao.rst
index e96e62d1dab3..d5b6d0df63c3 100644
--- a/Documentation/networking/tcp_ao.rst
+++ b/Documentation/networking/tcp_ao.rst
@@ -9,7 +9,7 @@ segments between trusted peers. It adds a new TCP header option with
a Message Authentication Code (MAC). MACs are produced from the content
of a TCP segment using a hashing function with a password known to both peers.
The intent of TCP-AO is to deprecate TCP-MD5 providing better security,
-key rotation and support for variety of hashing algorithms.
+key rotation and support for a variety of hashing algorithms.
1. Introduction
===============
@@ -164,9 +164,9 @@ A: It should not, no action needs to be performed [7.5.2.e]::
is not available, no action is required (RNextKeyID of a received
segment needs to match the MKT’s SendID).
-Q: How current_key is set and when does it change? It is a user-triggered
-change, or is it by a request from the remote peer? Is it set by the user
-explicitly, or by a matching rule?
+Q: How is current_key set, and when does it change? Is it a user-triggered
+change, or is it triggered by a request from the remote peer? Is it set by the
+user explicitly, or by a matching rule?
A: current_key is set by RNextKeyID [6.1]::
@@ -233,8 +233,8 @@ always have one current_key [3.3]::
Q: Can a non-TCP-AO connection become a TCP-AO-enabled one?
-A: No: for already established non-TCP-AO connection it would be impossible
-to switch using TCP-AO as the traffic key generation requires the initial
+A: No: for an already established non-TCP-AO connection it would be impossible
+to switch to using TCP-AO, as the traffic key generation requires the initial
sequence numbers. Paraphrasing, starting using TCP-AO would require
re-establishing the TCP connection.
@@ -292,7 +292,7 @@ no transparency is really needed and modern BGP daemons already have
Linux provides a set of ``setsockopt()s`` and ``getsockopt()s`` that let
userspace manage TCP-AO on a per-socket basis. In order to add/delete MKTs
-``TCP_AO_ADD_KEY`` and ``TCP_AO_DEL_KEY`` TCP socket options must be used
+``TCP_AO_ADD_KEY`` and ``TCP_AO_DEL_KEY`` TCP socket options must be used.
It is not allowed to add a key on an established non-TCP-AO connection
as well as to remove the last key from TCP-AO connection.
@@ -361,7 +361,7 @@ not implemented.
4. ``setsockopt()`` vs ``accept()`` race
========================================
-In contrast with TCP-MD5 established connection which has just one key,
+In contrast with an established TCP-MD5 connection which has just one key,
TCP-AO connections may have many keys, which means that accepted connections
on a listen socket may have any amount of keys as well. As copying all those
keys on a first properly signed SYN would make the request socket bigger, that
@@ -374,7 +374,7 @@ keys from sockets that were already established, but not yet ``accept()``'ed,
hanging in the accept queue.
The reverse is valid as well: if userspace adds a new key for a peer on
-a listener socket, the established sockets in accept queue won't
+a listener socket, the established sockets in the accept queue won't
have the new keys.
At this moment, the resolution for the two races:
@@ -382,7 +382,7 @@ At this moment, the resolution for the two races:
and ``setsockopt(TCP_AO_DEL_KEY)`` vs ``accept()`` is delegated to userspace.
This means that it's expected that userspace would check the MKTs on the socket
that was returned by ``accept()`` to verify that any key rotation that
-happened on listen socket is reflected on the newly established connection.
+happened on the listen socket is reflected on the newly established connection.
This is a similar "do-nothing" approach to TCP-MD5 from the kernel side and
may be changed later by introducing new flags to ``tcp_ao_add``
--
2.43.0
