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net/sfc/base: round number of queue buffers up

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Functions efx_*q_nbufs return the number of a queue buffers by dividing
the queue size by page size. If minimum size of a queue is smaller than
one page, we still need the page and number of buffers should not be 0.

Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
This commit is contained in:
Igor Romanov 2019-02-07 16:29:26 +00:00 committed by Ferruh Yigit
parent d6b55d5682
commit b914326157
3 changed files with 3 additions and 3 deletions
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2
drivers/net/sfc/base/efx_ev.c
View File

@ -188,7 +188,7 @@ efx_evq_nbufs(
__in const efx_nic_t *enp,
__in unsigned int ndescs)
{
return (efx_evq_size(enp, ndescs) / EFX_BUF_SIZE);
return (EFX_DIV_ROUND_UP(efx_evq_size(enp, ndescs), EFX_BUF_SIZE));
}
void

2
drivers/net/sfc/base/efx_rx.c
View File

@ -781,7 +781,7 @@ efx_rxq_nbufs(
__in const efx_nic_t *enp,
__in unsigned int ndescs)
{
return (efx_rxq_size(enp, ndescs) / EFX_BUF_SIZE);
return (EFX_DIV_ROUND_UP(efx_rxq_size(enp, ndescs), EFX_BUF_SIZE));
}
void

2
drivers/net/sfc/base/efx_tx.c
View File

@ -312,7 +312,7 @@ efx_txq_nbufs(
__in const efx_nic_t *enp,
__in unsigned int ndescs)
{
return (efx_txq_size(enp, ndescs) / EFX_BUF_SIZE);
return (EFX_DIV_ROUND_UP(efx_txq_size(enp, ndescs), EFX_BUF_SIZE));
}
__checkReturn efx_rc_t