netdev - Re: [PATCH bpf-next 5/7] libbpf: add API to get XDP/XSK supported features

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Date:   Sun, 22 Jan 2023 13:09:38 +0100
From:   Lorenzo Bianconi <lorenzo@...nel.org>
To:     Jakub Kicinski <kuba@...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 5/7] libbpf: add API to get XDP/XSK supported
 features

> On Fri, 20 Jan 2023 18:16:54 +0100 Lorenzo Bianconi wrote:
> > +static int libbpf_netlink_resolve_genl_family_id(const char *name,
> > +						 __u16 len, __u16 *id)
> > +{
> > +	struct libbpf_nla_req req = {
> > +		.nh.nlmsg_len	= NLMSG_LENGTH(GENL_HDRLEN),
> > +		.nh.nlmsg_type	= GENL_ID_CTRL,
> > +		.nh.nlmsg_flags	= NLM_F_REQUEST,
> > +		.gnl.cmd	= CTRL_CMD_GETFAMILY,
> > +		.gnl.version	= 1,
> 
> nlctrl is version 2, shouldn't matter in practice

ack, I will fix it.

Regards,
Lorenzo

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