> -----Original Message----- > From: Ferruh Yigit <ferruh.yi...@intel.com> > Sent: Monday, October 21, 2019 9:24 PM > To: Gagandeep Singh <g.si...@nxp.com>; dev@dpdk.org > Subject: Re: [PATCH v4 1/3] net/enetc: add macro for BD ring alignment > > On 10/21/2019 11:50 AM, Gagandeep Singh wrote: > > enetc BD rings should be aligned to 128 > > instead of RTE_CACHE_LINE_SIZE. > > This looks like a fix, if so can you please update commit log according, via > fixes line etc.. > Yes, this is kind a bug fix, I will add the fixes line.
> > > > Signed-off-by: Gagandeep Singh <g.si...@nxp.com> > > --- > > drivers/net/enetc/base/enetc_hw.h | 3 +++ > > drivers/net/enetc/enetc_ethdev.c | 8 ++++---- > > 2 files changed, 7 insertions(+), 4 deletions(-) > > > > diff --git a/drivers/net/enetc/base/enetc_hw.h > b/drivers/net/enetc/base/enetc_hw.h > > index fd71155ee..2fe7ccb5b 100644 > > --- a/drivers/net/enetc/base/enetc_hw.h > > +++ b/drivers/net/enetc/base/enetc_hw.h > > @@ -12,6 +12,9 @@ > > #define ENETC_DEV_ID_VF 0xef00 > > #define ENETC_DEV_ID 0xe100 > > > > +/* BD RING ALIGNMENT */ > > +#define ENETC_BD_RING_ALIGN 128 > > + > > /* ENETC register block BAR */ > > #define ENETC_BAR_REGS 0x0 > > > > diff --git a/drivers/net/enetc/enetc_ethdev.c > b/drivers/net/enetc/enetc_ethdev.c > > index dc05c00ff..4e978348c 100644 > > --- a/drivers/net/enetc/enetc_ethdev.c > > +++ b/drivers/net/enetc/enetc_ethdev.c > > @@ -178,12 +178,12 @@ enetc_alloc_txbdr(struct enetc_bdr *txr, uint16_t > nb_desc) > > int size; > > > > size = nb_desc * sizeof(struct enetc_swbd); > > - txr->q_swbd = rte_malloc(NULL, size, RTE_CACHE_LINE_SIZE); > > + txr->q_swbd = rte_malloc(NULL, size, ENETC_BD_RING_ALIGN); > > if (txr->q_swbd == NULL) > > return -ENOMEM; > > > > size = nb_desc * sizeof(struct enetc_tx_bd); > > - txr->bd_base = rte_malloc(NULL, size, RTE_CACHE_LINE_SIZE); > > + txr->bd_base = rte_malloc(NULL, size, ENETC_BD_RING_ALIGN); > > if (txr->bd_base == NULL) { > > rte_free(txr->q_swbd); > > txr->q_swbd = NULL; > > @@ -325,12 +325,12 @@ enetc_alloc_rxbdr(struct enetc_bdr *rxr, > > int size; > > > > size = nb_rx_desc * sizeof(struct enetc_swbd); > > - rxr->q_swbd = rte_malloc(NULL, size, RTE_CACHE_LINE_SIZE); > > + rxr->q_swbd = rte_malloc(NULL, size, ENETC_BD_RING_ALIGN); > > if (rxr->q_swbd == NULL) > > return -ENOMEM; > > > > size = nb_rx_desc * sizeof(union enetc_rx_bd); > > - rxr->bd_base = rte_malloc(NULL, size, RTE_CACHE_LINE_SIZE); > > + rxr->bd_base = rte_malloc(NULL, size, ENETC_BD_RING_ALIGN); > > if (rxr->bd_base == NULL) { > > rte_free(rxr->q_swbd); > > rxr->q_swbd = NULL; > >