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From: David Gibson <david@gibson.dropbear.id.au>
To: Volker Diels-Grabsch <v@njh.eu>
Cc: passt-dev@passt.top
Subject: Re: [PATCH 1/5] Show debug message whenever we observe a new guest MAC address
Date: Wed, 17 Sep 2025 15:05:24 +1000	[thread overview]
Message-ID: <aMpBlKXhhMvYq3b-@zatzit> (raw)
In-Reply-To: <20250916192209.3986375-2-v@njh.eu>

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On Tue, Sep 16, 2025 at 09:21:12PM +0200, Volker Diels-Grabsch wrote:
> Signed-off-by: Volker Diels-Grabsch <v@njh.eu>

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

> ---
>  tap.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/tap.c b/tap.c
> index 7ba6399..cf862ef 100644
> --- a/tap.c
> +++ b/tap.c
> @@ -1096,7 +1096,11 @@ void tap_add_packet(struct ctx *c, struct iov_tail *data,
>  		return;
>  
>  	if (memcmp(c->guest_mac, eh->h_source, ETH_ALEN)) {
> +		char bufmac[ETH_ADDRSTRLEN];
> +
>  		memcpy(c->guest_mac, eh->h_source, ETH_ALEN);
> +		debug("New guest MAC address observed: %s",
> +		      eth_ntop(c->guest_mac, bufmac, sizeof(bufmac)));
>  		proto_update_l2_buf(c->guest_mac, NULL);
>  	}
>  
> -- 
> 2.47.3
> 

-- 
David Gibson (he or they)	| 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

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  reply	other threads:[~2025-09-17  7:27 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-16 19:21 [PATCH v6 1/5] Volker Diels-Grabsch
2025-09-16 19:21 ` [PATCH 1/5] Show debug message whenever we observe a new guest MAC address Volker Diels-Grabsch
2025-09-17  5:05   ` David Gibson [this message]
2025-09-16 19:21 ` [PATCH 2/5] Introduce constant MAC_BROADCAST Volker Diels-Grabsch
2025-09-17  7:29   ` David Gibson
2025-09-16 19:21 ` [PATCH 3/5] Fix --no-icmp description and make it imply --no-ndp Volker Diels-Grabsch
2025-09-17  7:29   ` David Gibson
2025-09-16 19:21 ` [PATCH 4/5] Send an initial ARP and NDP request to resolve the guest IP address Volker Diels-Grabsch
2025-09-18  2:32   ` David Gibson
2025-09-16 19:21 ` [PATCH 5/5] Improve clarity of comment Volker Diels-Grabsch
2025-09-18  2:43   ` David Gibson
2025-09-17 14:32 ` [PATCH v6 1/5] Stefano Brivio
2025-09-19  0:59   ` Volker Diels-Grabsch
2025-09-19  1:45     ` David Gibson

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