[dpdk-dev] [PATCH 4/4] xen: net-front poll mode driver
Neil Horman
nhorman at tuxdriver.com
Sat Feb 14 20:31:59 CET 2015
On Sat, Feb 14, 2015 at 01:06:48PM -0500, Stephen Hemminger wrote:
> This driver implements DPDK driver that has the same functionality
> as net-front driver in Linux kernel.
>
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
> ---
> config/common_linuxapp | 6 +
> lib/Makefile | 1 +
> lib/librte_eal/common/eal_private.h | 7 +
> lib/librte_eal/linuxapp/eal/eal.c | 8 +
> lib/librte_pmd_xen/Makefile | 30 ++
> lib/librte_pmd_xen/virt_dev.c | 400 +++++++++++++++++++++++++
> lib/librte_pmd_xen/virt_dev.h | 30 ++
> lib/librte_pmd_xen/xen_adapter_info.h | 64 ++++
> lib/librte_pmd_xen/xen_dev.c | 369 +++++++++++++++++++++++
> lib/librte_pmd_xen/xen_dev.h | 96 ++++++
> lib/librte_pmd_xen/xen_logs.h | 23 ++
> lib/librte_pmd_xen/xen_rxtx.c | 546 ++++++++++++++++++++++++++++++++++
> lib/librte_pmd_xen/xen_rxtx.h | 110 +++++++
> mk/rte.app.mk | 4 +
> 14 files changed, 1694 insertions(+)
> create mode 100644 lib/librte_pmd_xen/Makefile
> create mode 100644 lib/librte_pmd_xen/virt_dev.c
> create mode 100644 lib/librte_pmd_xen/virt_dev.h
> create mode 100644 lib/librte_pmd_xen/xen_adapter_info.h
> create mode 100644 lib/librte_pmd_xen/xen_dev.c
> create mode 100644 lib/librte_pmd_xen/xen_dev.h
> create mode 100644 lib/librte_pmd_xen/xen_logs.h
> create mode 100644 lib/librte_pmd_xen/xen_rxtx.c
> create mode 100644 lib/librte_pmd_xen/xen_rxtx.h
><snip>
> +
> +int
> +rte_xen_pmd_init(void)
> +{
> + PMD_INIT_FUNC_TRACE();
> +
> + xen_evt_fd = open("/dev/"XEN_PMD_UIO_NAME, O_RDWR);
> +
> + if (xen_evt_fd == -1) {
> + if (errno != ENOENT)
> + PMD_INIT_LOG(ERR, "cannot open event device %s",
> + "/dev/"XEN_PMD_UIO_NAME);
> + return 0;
> + }
> +
> + return virt_eth_driver_register(&rte_xen_pmd);
> +}
It looks like you've created a new method of registering a pmd here? Why not
use the existing REGISTER_PMD_DRIVER macro? It seems like this method will
break the DSO build.
Neil
>
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