netdev - Re: [PATCH bpf-next 2/7] drivers: net: turn on XDP features

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230120191152.44d29bb1@kernel.org>
Date:   Fri, 20 Jan 2023 19:11:52 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Lorenzo Bianconi <lorenzo@...nel.org>
Cc:     bpf@...r.kernel.org, netdev@...r.kernel.org, ast@...nel.org,
        daniel@...earbox.net, andrii@...nel.org, davem@...emloft.net,
        hawk@...nel.org, pabeni@...hat.com, edumazet@...gle.com,
        toke@...hat.com, memxor@...il.com, alardam@...il.com,
        saeedm@...dia.com, anthony.l.nguyen@...el.com, gospo@...adcom.com,
        vladimir.oltean@....com, nbd@....name, john@...ozen.org,
        leon@...nel.org, simon.horman@...igine.com, aelior@...vell.com,
        christophe.jaillet@...adoo.fr, ecree.xilinx@...il.com,
        mst@...hat.com, bjorn@...nel.org, magnus.karlsson@...el.com,
        maciej.fijalkowski@...el.com, intel-wired-lan@...ts.osuosl.org,
        lorenzo.bianconi@...hat.com, niklas.soderlund@...igine.com
Subject: Re: [PATCH bpf-next 2/7] drivers: net: turn on XDP features

On Fri, 20 Jan 2023 18:16:51 +0100 Lorenzo Bianconi wrote:
> +static inline void
> +xdp_features_set_redirect_target(xdp_features_t *xdp_features, bool support_sg)
> +{
> +	*xdp_features |= NETDEV_XDP_ACT_NDO_XMIT;
> +	if (support_sg)
> +		*xdp_features |= NETDEV_XDP_ACT_NDO_XMIT_SG;
> +}
> +
> +static inline void
> +xdp_features_clear_redirect_target(xdp_features_t *xdp_features)
> +{
> +	*xdp_features &= ~(NETDEV_XDP_ACT_NDO_XMIT |
> +			   NETDEV_XDP_ACT_NDO_XMIT_SG);
> +}
> +

Shouldn't these generate netlink notifications?