linux-kernel - RE: [PATCH v4 net-next] net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)

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: <BL0PR2101MB093074F2F36A1C7471A40325CA709@BL0PR2101MB0930.namprd21.prod.outlook.com>
Date:   Mon, 12 Apr 2021 14:29:48 +0000
From:   Haiyang Zhang <haiyangz@...rosoft.com>
To:     Andrew Lunn <andrew@...n.ch>, Dexuan Cui <decui@...rosoft.com>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "kuba@...nel.org" <kuba@...nel.org>,
        KY Srinivasan <kys@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "wei.liu@...nel.org" <wei.liu@...nel.org>,
        Wei Liu <liuwe@...rosoft.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "leon@...nel.org" <leon@...nel.org>,
        "bernd@...rovitsch.priv.at" <bernd@...rovitsch.priv.at>,
        "rdunlap@...radead.org" <rdunlap@...radead.org>,
        Shachar Raindel <shacharr@...rosoft.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>
Subject: RE: [PATCH v4 net-next] net: mana: Add a driver for Microsoft Azure
 Network Adapter (MANA)



> -----Original Message-----
> From: Andrew Lunn <andrew@...n.ch>
> Sent: Monday, April 12, 2021 8:16 AM
> To: Dexuan Cui <decui@...rosoft.com>
> Cc: davem@...emloft.net; kuba@...nel.org; KY Srinivasan
> <kys@...rosoft.com>; Haiyang Zhang <haiyangz@...rosoft.com>; Stephen
> Hemminger <sthemmin@...rosoft.com>; wei.liu@...nel.org; Wei Liu
> <liuwe@...rosoft.com>; netdev@...r.kernel.org; leon@...nel.org;
> bernd@...rovitsch.priv.at; rdunlap@...radead.org; Shachar Raindel
> <shacharr@...rosoft.com>; linux-kernel@...r.kernel.org; linux-
> hyperv@...r.kernel.org
> Subject: Re: [PATCH v4 net-next] net: mana: Add a driver for Microsoft Azure
> Network Adapter (MANA)
> 
> > +static inline bool is_gdma_msg(const void *req) {
> > +	struct gdma_req_hdr *hdr = (struct gdma_req_hdr *)req;
> > +
> > +	if (hdr->req.hdr_type == GDMA_STANDARD_HEADER_TYPE &&
> > +	    hdr->resp.hdr_type == GDMA_STANDARD_HEADER_TYPE &&
> > +	    hdr->req.msg_size >= sizeof(struct gdma_req_hdr) &&
> > +	    hdr->resp.msg_size >= sizeof(struct gdma_resp_hdr) &&
> > +	    hdr->req.msg_type != 0 && hdr->resp.msg_type != 0)
> > +		return true;
> > +
> > +	return false;
> > +}
> > +
> > +static inline bool is_gdma_msg_len(const u32 req_len, const u32 resp_len,
> > +				   const void *req)
> > +{
> > +	struct gdma_req_hdr *hdr = (struct gdma_req_hdr *)req;
> > +
> > +	if (req_len >= sizeof(struct gdma_req_hdr) &&
> > +	    resp_len >= sizeof(struct gdma_resp_hdr) &&
> > +	    req_len >= hdr->req.msg_size && resp_len >= hdr->resp.msg_size
> &&
> > +	    is_gdma_msg(req)) {
> > +		return true;
> > +	}
> > +
> > +	return false;
> > +}
> 
> You missed adding the mana_ prefix here. There might be others.
> 
> > +#define CQE_POLLING_BUFFER 512
> > +struct ana_eq {
> > +	struct gdma_queue *eq;
> > +	struct gdma_comp cqe_poll[CQE_POLLING_BUFFER]; };
> 
> > +static int ana_poll(struct napi_struct *napi, int budget) {
> 
> You also have a few cases of ana_, not mana_. There might be others.

We will rename the remaining ana_ to mana_.
Also the driver version to protocol version in your previous comments.

Thanks,
- Haiyang