On Mon, 6 Mar 2017 15:41:14 +0000 Ferruh Yigit <ferruh.yi...@intel.com> wrote:
> On 3/6/2017 3:13 PM, Pascal Mazon wrote: > > Store the device name in dev->data->name, to have symmetrical > > behavior between rte_pmd_tap_probe(name) and > > rte_pmd_tap_remove(name). > > > > The netdevice name (linux interface name) is stored in the name > > field of struct pmd_internals. > > > > snprintf(data->name) has been moved closer to the > > rte_ethdev_allocate() as it should use the same name. > > > > Signed-off-by: Pascal Mazon <pascal.ma...@6wind.com> > > --- > > drivers/net/tap/rte_eth_tap.c | 5 +++-- > > 1 file changed, 3 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/net/tap/rte_eth_tap.c > > b/drivers/net/tap/rte_eth_tap.c index 47a706070652..ece3a5fcc897 > > 100644 --- a/drivers/net/tap/rte_eth_tap.c > > +++ b/drivers/net/tap/rte_eth_tap.c > > @@ -663,7 +663,9 @@ eth_dev_tap_create(const char *name, char > > *tap_name) goto error_exit; > > } > > > > - dev = rte_eth_dev_allocate(tap_name); > > + /* name in allocation and data->name must be consistent */ > > + snprintf(data->name, sizeof(data->name), "%s", name); > > When you use correct name (name) for rte_eth_dev_allocate(), > snprintf() no more required. rte_eth_dev_allocate() already does it > [1]. > > [1] > http://dpdk.org/browse/dpdk/tree/lib/librte_ether/rte_ethdev.c#n230 > I disagree here. What rte_eth_dev_allocate() changes, is the shared automatically-allocated data part, as mentioned in your earlier mail. We didn't yet pass our own manually allocated data to dev. Do you see what I mean? Best regards, Pascal > > + dev = rte_eth_dev_allocate(name); > > if (!dev) { > > RTE_LOG(ERR, PMD, "TAP Unable to allocate device > > struct\n"); goto error_exit; > > @@ -691,7 +693,6 @@ eth_dev_tap_create(const char *name, char > > *tap_name) dev->driver = NULL; > > dev->rx_pkt_burst = pmd_rx_burst; > > dev->tx_pkt_burst = pmd_tx_burst; > > - snprintf(dev->data->name, sizeof(dev->data->name), "%s", > > name); > > /* Presetup the fds to -1 as being not valid */ > > for (i = 0; i < RTE_PMD_TAP_MAX_QUEUES; i++) { > > >