From: Shreyansh Jain <shreyansh.jain@nxp.com>
To: Jan Blunck <jblunck@infradead.org>, <dev@dpdk.org>
Cc: <david.marchand@6wind.com>, <stephen@networkplumber.org>
Subject: Re: [dpdk-dev] [PATCH v3 3/9] drivers: Use ETH_DEV_PCI_DEV() helper
Date: Wed, 21 Dec 2016 15:20:39 +0530 [thread overview]
Message-ID: <463bac9d-4319-c707-6678-bb06281376df@nxp.com> (raw)
In-Reply-To: <1482232315-21626-4-git-send-email-jblunck@infradead.org>
On Tuesday 20 December 2016 04:41 PM, Jan Blunck wrote:
> The drivers should not directly access the rte_eth_dev->pci_dev but use
> a macro instead. This is a preparation for replacing the pci_dev with
> a struct rte_device member in the future.
>
> Signed-off-by: Jan Blunck <jblunck@infradead.org>
> ---
> drivers/net/bnx2x/bnx2x_ethdev.c | 12 +++---
> drivers/net/bnxt/bnxt_ethdev.c | 19 ++++++----
> drivers/net/bnxt/bnxt_ring.c | 11 +++---
> drivers/net/cxgbe/cxgbe_ethdev.c | 2 +-
> drivers/net/e1000/em_ethdev.c | 20 ++++++----
> drivers/net/e1000/igb_ethdev.c | 50 ++++++++++++++-----------
> drivers/net/e1000/igb_pf.c | 3 +-
> drivers/net/ena/ena_ethdev.c | 2 +-
> drivers/net/enic/enic_ethdev.c | 2 +-
> drivers/net/fm10k/fm10k_ethdev.c | 49 +++++++++++++------------
> drivers/net/i40e/i40e_ethdev.c | 44 +++++++++++-----------
> drivers/net/i40e/i40e_ethdev.h | 4 ++
> drivers/net/i40e/i40e_ethdev_vf.c | 38 +++++++++----------
> drivers/net/ixgbe/ixgbe_ethdev.c | 65 ++++++++++++++++++++-------------
> drivers/net/ixgbe/ixgbe_pf.c | 2 +-
> drivers/net/nfp/nfp_net.c | 16 ++++----
> drivers/net/qede/qede_ethdev.c | 17 +++++----
> drivers/net/szedata2/rte_eth_szedata2.c | 27 +++++++-------
> drivers/net/szedata2/rte_eth_szedata2.h | 34 ++++++++---------
> drivers/net/thunderx/nicvf_ethdev.c | 5 ++-
> drivers/net/vmxnet3/vmxnet3_ethdev.c | 4 +-
> 21 files changed, 234 insertions(+), 192 deletions(-)
>
> diff --git a/drivers/net/bnx2x/bnx2x_ethdev.c b/drivers/net/bnx2x/bnx2x_ethdev.c
> index 0eae433..c331ccd 100644
> --- a/drivers/net/bnx2x/bnx2x_ethdev.c
> +++ b/drivers/net/bnx2x/bnx2x_ethdev.c
> @@ -124,7 +124,7 @@ bnx2x_interrupt_handler(__rte_unused struct rte_intr_handle *handle, void *param
> struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
>
> bnx2x_interrupt_action(dev);
> - rte_intr_enable(&(dev->pci_dev->intr_handle));
> + rte_intr_enable(&(ETH_DEV_PCI_DEV(dev)->intr_handle));
> }
>
> /*
> @@ -187,10 +187,10 @@ bnx2x_dev_start(struct rte_eth_dev *dev)
> }
>
> if (IS_PF(sc)) {
> - rte_intr_callback_register(&(dev->pci_dev->intr_handle),
> + rte_intr_callback_register(&sc->pci_dev->intr_handle,
> bnx2x_interrupt_handler, (void *)dev);
>
> - if(rte_intr_enable(&(dev->pci_dev->intr_handle)))
> + if (rte_intr_enable(&sc->pci_dev->intr_handle))
This changeset generates following error in my environment:
--->8---
/home/shreyansh/build/DPDK/01_dpdk/drivers/net/bnx2x/bnx2x_ethdev.c: In
function ‘bnx2x_dev_start’:
/home/shreyansh/build/DPDK/01_dpdk/drivers/net/bnx2x/bnx2x_ethdev.c:190:30:
error: passing argument 1 of ‘rte_intr_callback_register’ discards
‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
rte_intr_callback_register(&sc->pci_dev->intr_handle,
^
In file included from
/home/shreyansh/build/DPDK/01_dpdk/x86_64-native-linuxapp-gcc/include/rte_pci.h:86:0,
from
/home/shreyansh/build/DPDK/01_dpdk/drivers/net/bnx2x/bnx2x_ethdev.h:34,
from
/home/shreyansh/build/DPDK/01_dpdk/drivers/net/bnx2x/bnx2x.h:34,
from
/home/shreyansh/build/DPDK/01_dpdk/drivers/net/bnx2x/bnx2x_ethdev.c:11:
/home/shreyansh/build/DPDK/01_dpdk/x86_64-native-linuxapp-gcc/include/rte_interrupts.h:73:5:
note: expected ‘struct rte_intr_handle *’ but argument is of type ‘const
struct rte_intr_handle *’
int rte_intr_callback_register(struct rte_intr_handle *intr_handle,
--->8---
Problem is that earlier 'eth_dev->pci_dev->intr_handle' was being passed
which was not a 'const'. But, the BNX2 local structure 'bnx2x_softc' has
a 'const struct rte_pci_device *' as member.
Maybe, following can help:
rte_intr_callback_register(Ð_DEV_PCI_DEV(dev),...);
> PMD_DRV_LOG(ERR, "rte_intr_enable failed");
> }
>
> @@ -215,8 +215,8 @@ bnx2x_dev_stop(struct rte_eth_dev *dev)
> PMD_INIT_FUNC_TRACE();
>
> if (IS_PF(sc)) {
> - rte_intr_disable(&(dev->pci_dev->intr_handle));
> - rte_intr_callback_unregister(&(dev->pci_dev->intr_handle),
> + rte_intr_disable(&sc->pci_dev->intr_handle);
> + rte_intr_callback_unregister(&sc->pci_dev->intr_handle,
Similar error here.
rte_intr_callback_unregister(&(ETH_DEV_PCI_DEV(dev)->intr_handle), ...)
solves it for me.
> bnx2x_interrupt_handler, (void *)dev);
> }
>
> @@ -516,7 +516,7 @@ bnx2x_common_dev_init(struct rte_eth_dev *eth_dev, int is_vf)
> PMD_INIT_FUNC_TRACE();
>
> eth_dev->dev_ops = is_vf ? &bnx2xvf_eth_dev_ops : &bnx2x_eth_dev_ops;
> - pci_dev = eth_dev->pci_dev;
> + pci_dev = ETH_DEV_PCI_DEV(eth_dev);
>
> rte_eth_copy_pci_info(eth_dev, pci_dev);
>
<snip>
-
Shreyansh
next prev parent reply other threads:[~2016-12-21 9:47 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-20 11:11 [dpdk-dev] [PATCH v3 0/9] Decouple ethdev from PCI device Jan Blunck
2016-12-20 11:11 ` [dpdk-dev] [PATCH v3 1/9] eal: define container_of macro Jan Blunck
2016-12-20 11:11 ` [dpdk-dev] [PATCH v3 2/9] ethdev: Helper to convert to struct rte_pci_device Jan Blunck
2016-12-20 15:38 ` Stephen Hemminger
2016-12-20 11:11 ` [dpdk-dev] [PATCH v3 3/9] drivers: Use ETH_DEV_PCI_DEV() helper Jan Blunck
2016-12-21 9:50 ` Shreyansh Jain [this message]
2016-12-21 9:57 ` Shreyansh Jain
2016-12-20 11:11 ` [dpdk-dev] [PATCH v3 4/9] virtio: Don't fill dev_info->driver_name Jan Blunck
2016-12-20 12:17 ` Ferruh Yigit
2016-12-20 12:40 ` Jan Blunck
2016-12-20 12:58 ` Ferruh Yigit
2016-12-20 11:11 ` [dpdk-dev] [PATCH v3 5/9] virtio: Add vtpci_intr_handle() helper to get rte_intr_handle Jan Blunck
2016-12-20 11:11 ` [dpdk-dev] [PATCH v3 6/9] virtio: Don't depend on struct rte_eth_dev's pci_dev Jan Blunck
2016-12-20 11:11 ` [dpdk-dev] [PATCH v3 7/9] ethdev: Move filling of rte_eth_dev_info->pci_dev to dev_infos_get() Jan Blunck
2016-12-20 15:41 ` Stephen Hemminger
2016-12-21 15:35 ` Jan Blunck
2016-12-21 9:54 ` Shreyansh Jain
2016-12-20 11:11 ` [dpdk-dev] [PATCH v3 8/9] ethdev: Decouple interrupt handling from PCI device Jan Blunck
2016-12-20 11:11 ` [dpdk-dev] [PATCH v3 9/9] ethdev: Decouple struct rte_eth_dev from struct rte_pci_device Jan Blunck
2016-12-21 10:00 ` [dpdk-dev] [PATCH v3 0/9] Decouple ethdev from PCI device Shreyansh Jain
2016-12-21 15:12 ` Jan Blunck
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=463bac9d-4319-c707-6678-bb06281376df@nxp.com \
--to=shreyansh.jain@nxp.com \
--cc=david.marchand@6wind.com \
--cc=dev@dpdk.org \
--cc=jblunck@infradead.org \
--cc=stephen@networkplumber.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).