[dpdk-dev] [PATCH] ethdev: fix ABI breakage in lro code
Thomas Monjalon
thomas.monjalon at 6wind.com
Mon Jul 13 12:46:17 CEST 2015
2015-07-13 06:42, Neil Horman:
> On Mon, Jul 13, 2015 at 11:26:25AM +0100, John McNamara wrote:
> > Fix for ABI breakage introduced in LRO addition. Moves
> > lro bitfield to the end of the struct/member.
> >
> > Fixes: 8eecb3295aed (ixgbe: add LRO support)
> >
> > Signed-off-by: John McNamara <john.mcnamara at intel.com>
> > ---
> > lib/librte_ether/rte_ethdev.h | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
> > index 79bde89..1c3ace1 100644
> > --- a/lib/librte_ether/rte_ethdev.h
> > +++ b/lib/librte_ether/rte_ethdev.h
> > @@ -1578,9 +1578,9 @@ struct rte_eth_dev_data {
> > uint8_t port_id; /**< Device [external] port identifier. */
> > uint8_t promiscuous : 1, /**< RX promiscuous mode ON(1) / OFF(0). */
> > scattered_rx : 1, /**< RX of scattered packets is ON(1) / OFF(0) */
> > - lro : 1, /**< RX LRO is ON(1) / OFF(0) */
> > all_multicast : 1, /**< RX all multicast mode ON(1) / OFF(0). */
> > - dev_started : 1; /**< Device state: STARTED(1) / STOPPED(0). */
> > + dev_started : 1, /**< Device state: STARTED(1) / STOPPED(0). */
> > + lro : 1; /**< RX LRO is ON(1) / OFF(0) */
> > };
> >
> > /**
> I presume the ABI checker stopped complaining about this with the patch, yes?
>
> Also, it would be great if someone could check this on ppc or a ppc cross
> compile, as I recall bitfields follow endianess order.
+ Chao, IBM POWER maintainer.
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