public inbox for passt-dev@passt.top
 help / color / mirror / code / Atom feed
From: David Gibson <david@gibson.dropbear.id.au>
To: Stefano Brivio <sbrivio@redhat.com>
Cc: passt-dev@passt.top, Laurent Vivier <lvivier@redhat.com>
Subject: Re: [PATCH 7/7] tcp: Update tap specific header too in tcp_fill_headers[46]()
Date: Wed, 1 May 2024 10:10:22 +1000	[thread overview]
Message-ID: <ZjGIbjxcZteRk7BJ@zatzit> (raw)
In-Reply-To: <20240430204809.52711861@elisabeth>

[-- Attachment #1: Type: text/plain, Size: 1555 bytes --]

On Tue, Apr 30, 2024 at 08:48:40PM +0200, Stefano Brivio wrote:
> On Mon, 29 Apr 2024 17:09:33 +1000
> David Gibson <david@gibson.dropbear.id.au> wrote:
> 
> > tcp_fill_headers[46]() fill most of the headers, but the tap specific
> > header (the frame length for qemu sockets) is filled in afterwards.
> > Filling this as well:
> >   * Removes a little redundancy between the tcp_send_flag() and
> >     tcp_data_to_tap() path
> >   * Makes calculation of the correct length a little easier
> >   * Removes the now misleadingly named 'vnet_len' variable in
> >     tcp_send_flag()
> > 
> > Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
> > ---
> >  tcp.c | 28 ++++++++++++++--------------
> >  1 file changed, 14 insertions(+), 14 deletions(-)
> > 
> > diff --git a/tcp.c b/tcp.c
> > index 27c06958..01987c04 100644
> > --- a/tcp.c
> > +++ b/tcp.c
> > @@ -1321,6 +1321,7 @@ static void tcp_fill_header(struct tcphdr *th,
> >   * tcp_fill_headers4() - Fill 802.3, IPv4, TCP headers in pre-cooked buffers
> >   * @c:		Execution context
> >   * @conn:	Connection pointer
> > + * @taph:	TAP backend specific header
> 
> Here and below: s/TAP/tap/. Other than the minor comments I shared the

Adjusted, thanks.

> series looks good to me (and looks like a big improvement in terms of
> possible sources of confusion).

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

      reply	other threads:[~2024-05-01  0:10 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-29  7:09 [PATCH 0/7] Small improvements to IOV handling David Gibson
2024-04-29  7:09 ` [PATCH 1/7] checksum: Use proto_ipv6_header_psum() for ICMPv6 as well David Gibson
2024-04-29  7:09 ` [PATCH 2/7] tap: Split tap specific and L2 (ethernet) headers David Gibson
2024-04-30 18:46   ` Stefano Brivio
2024-04-30 23:53     ` David Gibson
2024-04-29  7:09 ` [PATCH 3/7] treewide: Standardise variable names for various packet lengths David Gibson
2024-04-30 18:46   ` Stefano Brivio
2024-05-01  0:05     ` David Gibson
2024-04-29  7:09 ` [PATCH 4/7] tcp: Simplify packet length calculation when preparing headers David Gibson
2024-04-29  7:09 ` [PATCH 5/7] tap, tcp: (Re-)abstract TAP specific header handling David Gibson
2024-04-30 18:47   ` Stefano Brivio
2024-05-01  0:06     ` David Gibson
2024-04-29  7:09 ` [PATCH 6/7] iov: Helper macro to construct iovs covering existing variables or fields David Gibson
2024-04-30 18:47   ` Stefano Brivio
2024-05-01  0:09     ` David Gibson
2024-04-29  7:09 ` [PATCH 7/7] tcp: Update tap specific header too in tcp_fill_headers[46]() David Gibson
2024-04-30 18:48   ` Stefano Brivio
2024-05-01  0:10     ` David Gibson [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=ZjGIbjxcZteRk7BJ@zatzit \
    --to=david@gibson.dropbear.id.au \
    --cc=lvivier@redhat.com \
    --cc=passt-dev@passt.top \
    --cc=sbrivio@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://passt.top/passt

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for IMAP folder(s).