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From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: Marek Pazdan <mpazdan@arista.com>
Cc: Thomas Monjalon <thomas@monjalon.net>,
	Ferruh Yigit <ferruh.yigit@amd.com>,
	Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
	dev@dpdk.org, david.marchand@redhat.com
Subject: Re: [PATCH]  lib: add get/set link settings interface
Date: Wed, 3 Apr 2024 09:49:37 -0700	[thread overview]
Message-ID: <20240403164937.GA14169@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net> (raw)
In-Reply-To: <20240403134026.7037-1-mpazdan@arista.com>

On Wed, Apr 03, 2024 at 06:40:24AM -0700, Marek Pazdan wrote:
>  There are link settings parameters available from PMD drivers level
>  which are currently not exposed to the user via consistent interface.
>  When interface is available for system level those information can
>  be acquired with 'ethtool DEVNAME' (ioctl: ETHTOOL_SLINKSETTINGS/
>  ETHTOOL_GLINKSETTINGS). There are use cases where
>  physical interface is passthrough to dpdk driver and is not available
>  from system level. Information provided by ioctl carries information
>  useful for link auto negotiation settings among others.
> 
> Signed-off-by: Marek Pazdan <mpazdan@arista.com>
> ---
> diff --git a/lib/ethdev/rte_ethdev.h b/lib/ethdev/rte_ethdev.h
> index 147257d6a2..66aad925d0 100644
> --- a/lib/ethdev/rte_ethdev.h
> +++ b/lib/ethdev/rte_ethdev.h
> @@ -335,7 +335,7 @@ struct rte_eth_stats {
>  __extension__
>  struct __rte_aligned(8) rte_eth_link { /**< aligned for atomic64 read/write */
>  	uint32_t link_speed;        /**< RTE_ETH_SPEED_NUM_ */
> -	uint16_t link_duplex  : 1;  /**< RTE_ETH_LINK_[HALF/FULL]_DUPLEX */
> +	uint16_t link_duplex  : 2;  /**< RTE_ETH_LINK_[HALF/FULL/UNKNOWN]_DUPLEX */
>  	uint16_t link_autoneg : 1;  /**< RTE_ETH_LINK_[AUTONEG/FIXED] */
>  	uint16_t link_status  : 1;  /**< RTE_ETH_LINK_[DOWN/UP] */
>  };

this breaks the abi. David does libabigail pick this up i wonder?

  reply	other threads:[~2024-04-03 16:49 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-26 23:59 [PATCH] igc/ixgbe: " Marek Pazdan
2024-03-27 11:12 ` Bruce Richardson
2024-04-03 13:40 ` [PATCH] lib: " Marek Pazdan
2024-04-03 16:49   ` Tyler Retzlaff [this message]
2024-04-04  7:09     ` David Marchand
2024-04-05  0:55       ` Tyler Retzlaff
2024-04-05  0:56         ` Tyler Retzlaff
2024-04-05  8:58         ` David Marchand
2024-04-05 13:05           ` Dodji Seketeli
2024-04-03 13:59 ` Marek Pazdan
2024-04-03 14:48   ` Thomas Monjalon
2024-04-03 14:59     ` Marek Pazdan
2024-04-03 16:13       ` Thomas Monjalon
2024-04-03 17:23       ` Stephen Hemminger
2024-04-03 22:08         ` Marek Pazdan
2024-04-03 23:38           ` Stephen Hemminger

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