[dpdk-dev] [PATCH 1/2] i40e: code style fix
Zhang, Helin
helin.zhang at intel.com
Wed Oct 29 07:26:57 CET 2014
Hi Michael
> -----Original Message-----
> From: Qiu, Michael
> Sent: Wednesday, October 29, 2014 2:11 PM
> To: Zhang, Helin; dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH 1/2] i40e: code style fix
>
> 10/29/2014 11:44 AM, Helin Zhang :
> > Add several code style fixes.
> >
> > Signed-off-by: Helin Zhang <helin.zhang at intel.com>
> > ---
> > lib/librte_pmd_i40e/i40e_ethdev.c | 20 +++++++++++---------
> > 1 file changed, 11 insertions(+), 9 deletions(-)
> >
> > diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c
> > b/lib/librte_pmd_i40e/i40e_ethdev.c
> > index e1f581a..20c99a4 100644
> > --- a/lib/librte_pmd_i40e/i40e_ethdev.c
> > +++ b/lib/librte_pmd_i40e/i40e_ethdev.c
> > @@ -580,7 +580,8 @@ i40e_vsi_queues_bind_intr(struct i40e_vsi *vsi)
> > uint32_t val;
> > struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
> > uint16_t msix_vect = vsi->msix_intr;
> > - uint16_t interval = i40e_calc_itr_interval(RTE_LIBRTE_I40E_ITR_INTERVAL);
> > + uint16_t interval =
> > + i40e_calc_itr_interval(RTE_LIBRTE_I40E_ITR_INTERVAL);
> > int i;
> >
> > for (i = 0; i < vsi->nb_qps; i++)
> > @@ -603,25 +604,26 @@ i40e_vsi_queues_bind_intr(struct i40e_vsi *vsi)
> > /* Write first RX queue to Link list register as the head element */
> > if (vsi->type != I40E_VSI_SRIOV) {
> > I40E_WRITE_REG(hw, I40E_PFINT_LNKLSTN(msix_vect - 1),
> > - (vsi->base_queue << I40E_PFINT_LNKLSTN_FIRSTQ_INDX_SHIFT)
> |
> > + (vsi->base_queue <<
>
> ^^^^^^^^^^^^^^^^^^
> > + I40E_PFINT_LNKLSTN_FIRSTQ_INDX_SHIFT) |
>
> Here why so many indentations? or just my mail agent's display issue, if it does
> pls ignor. anyway, it is not a beautiful style in my mind :)
I do not know why. The right patch can be downloaded directly from dpdk.org. The email editor may not show the correct format.
>
> I40E_WRITE_REG(hw, I40E_PFINT_LNKLSTN(msix_vect - 1),
> - (vsi->base_queue << I40E_PFINT_LNKLSTN_FIRSTQ_INDX_SHIFT)
> |
> + (vsi->base_queue <<
> + I40E_PFINT_LNKLSTN_FIRSTQ_INDX_SHIFT) |
>
> BTW, for coding style, I think we can follow the linux kernel, for kernel
> indentations, it always use the format like: n"Tab"+m"space", 0 <= m <=7.
> Another example is qemu, it is all "space" without "tab".
Yes, we have DPDK style, tab or tab + space. Space only is not allowed. Checkpatch.pl can check it for us.
>
> > (0x0 << I40E_PFINT_LNKLSTN_FIRSTQ_TYPE_SHIFT));
> >
> > I40E_WRITE_REG(hw, I40E_PFINT_ITRN(I40E_ITR_INDEX_DEFAULT,
> > - msix_vect - 1), interval);
> > + msix_vect - 1), interval);
> >
> > /* Disable auto-mask on enabling of all none-zero interrupt */
> > I40E_WRITE_REG(hw, I40E_GLINT_CTL,
> > - I40E_GLINT_CTL_DIS_AUTOMASK_N_MASK);
> > - }
> > - else {
> > + I40E_GLINT_CTL_DIS_AUTOMASK_N_MASK);
> > + } else {
> > uint32_t reg;
> > +
> > /* num_msix_vectors_vf needs to minus irq0 */
> > reg = (hw->func_caps.num_msix_vectors_vf - 1) *
> > vsi->user_param + (msix_vect - 1);
> >
> > - I40E_WRITE_REG(hw, I40E_VPINT_LNKLSTN(reg),
> > - (vsi->base_queue << I40E_VPINT_LNKLSTN_FIRSTQ_INDX_SHIFT)
> |
> > - (0x0 << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT));
> > + I40E_WRITE_REG(hw, I40E_VPINT_LNKLSTN(reg), (vsi->base_queue
> <<
> > + I40E_VPINT_LNKLSTN_FIRSTQ_INDX_SHIFT) |
> > + (0x0 << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT));
>
> Here the same I think.
>
> Thanks,
> Michael
> > }
> >
> > I40E_WRITE_FLUSH(hw);
Regards,
Helin
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