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: <87r0otfhr1.fsf@nvidia.com>
Date:   Thu, 27 Jul 2023 18:17:28 +0200
From:   Petr Machata <petrm@...dia.com>
To:     Ratheesh Kannoth <rkannoth@...vell.com>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <vladimir.oltean@....com>, <claudiu.manoil@....com>,
        <alexandre.belloni@...tlin.com>, <andrew@...n.ch>,
        <f.fainelli@...il.com>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <olteanv@...il.com>, <michael.chan@...adcom.com>,
        <rajur@...lsio.com>, <yisen.zhuang@...wei.com>,
        <salil.mehta@...wei.com>, <jesse.brandeburg@...el.com>,
        <anthony.l.nguyen@...el.com>, <sgoutham@...vell.com>,
        <gakula@...vell.com>, <sbhatta@...vell.com>, <hkelam@...vell.com>,
        <taras.chornyi@...ision.eu>, <saeedm@...dia.com>,
        <leon@...nel.org>, <idosch@...dia.com>, <petrm@...dia.com>,
        <horatiu.vultur@...rochip.com>, <lars.povlsen@...rochip.com>,
        <Steen.Hegelund@...rochip.com>, <daniel.machon@...rochip.com>,
        <simon.horman@...igine.com>, <aelior@...vell.com>,
        <manishc@...vell.com>, <ecree.xilinx@...il.com>,
        <habetsm.xilinx@...il.com>, <peppe.cavallaro@...com>,
        <alexandre.torgue@...s.st.com>, <joabreu@...opsys.com>,
        <mcoquelin.stm32@...il.com>, <pablo@...filter.org>,
        <kadlec@...filter.org>, <fw@...len.de>
Subject: Re: [PATCH v1 net-next] dissector: Use 64bits for used_keys


Ratheesh Kannoth <rkannoth@...vell.com> writes:

> As 32bit of dissectory->used_keys are exhausted,

But s/dissectory/dissector/.

Also the subject should probably be:

	net: flow_dissector: ...

> increase the size to 64bits.
>
> This is base changes for ESP/AH flow dissector patch.
>
> Please find patch and discussions at
> https://lore.kernel.org/netdev/ZMDNjD46BvZ5zp5I@corigine.com/T/#t
>
> Signed-off-by: Ratheesh Kannoth <rkannoth@...vell.com>

> diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
> index 8664ed4fbbdf..830f06b2f36d 100644
> --- a/include/net/flow_dissector.h
> +++ b/include/net/flow_dissector.h
> @@ -370,7 +370,8 @@ struct flow_dissector_key {
>  };
>  
>  struct flow_dissector {
> -	unsigned int used_keys; /* each bit repesents presence of one key id */
> +	unsigned long long  used_keys;
> +		/* each bit represents presence of one key id */

This unnecessarily adds an extra space before the field name.

>  	unsigned short int offset[FLOW_DISSECTOR_KEY_MAX];
>  };
>  
> @@ -430,7 +431,7 @@ void skb_flow_get_icmp_tci(const struct sk_buff *skb,
>  static inline bool dissector_uses_key(const struct flow_dissector *flow_dissector,
>  				      enum flow_dissector_key_id key_id)
>  {
> -	return flow_dissector->used_keys & (1 << key_id);
> +	return flow_dissector->used_keys & (1ULL << key_id);
>  }
>  
>  static inline void *skb_flow_dissector_target(struct flow_dissector *flow_dissector,

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ