[dpdk-dev] [PATCH v2 2/2] net/pcap: physical interface MAC support
Juhamatti Kuusisaari
Juhamatti.Kuusisaari at coriant.com
Tue Apr 17 14:53:10 CEST 2018
Support for PCAP MAC address using physical interface MAC.
Support for getting proper link status, speed and duplex.
Signed-off-by: Juhamatti Kuusisaari <juhamatti.kuusisaari at coriant.com>
---
v2:
* Fix whitespace
---
drivers/net/pcap/rte_eth_pcap.c | 39 ++++++++++++++++++++++++++-------------
1 file changed, 26 insertions(+), 13 deletions(-)
diff --git a/drivers/net/pcap/rte_eth_pcap.c b/drivers/net/pcap/rte_eth_pcap.c
index d2aba1c..4d6db55 100644
--- a/drivers/net/pcap/rte_eth_pcap.c
+++ b/drivers/net/pcap/rte_eth_pcap.c
@@ -619,18 +619,22 @@ eth_link_update(struct rte_eth_dev *dev __rte_unused,
struct pmd_internals *internals = dev->data->dev_private;
if (internals->if_name && (internals->if_fd != -1)) {
- /* Get link status, speed and duplex from the underlying interface */
- strncpy(ifr.ifr_name, internals->if_name, sizeof(ifr.ifr_name)-1);
- ifr.ifr_name[sizeof(ifr.ifr_name)-1] = 0;
+ /* Get link status, speed and duplex of the interface. */
+ strncpy(ifr.ifr_name, internals->if_name,
+ sizeof(ifr.ifr_name) - 1);
+ ifr.ifr_name[sizeof(ifr.ifr_name) - 1] = 0;
if (!ioctl(internals->if_fd, SIOCGIFFLAGS, &ifr))
- dev->data->dev_link.link_status = (ifr.ifr_flags & IFF_UP) ? 1 : 0;
+ dev->data->dev_link.link_status =
+ (ifr.ifr_flags & IFF_UP) ? 1 : 0;
cmd.cmd = ETHTOOL_GSET;
ifr.ifr_data = (void *)&cmd;
if (!ioctl(internals->if_fd, SIOCETHTOOL, &ifr)) {
- dev->data->dev_link.link_speed = ethtool_cmd_speed(&cmd);
+ dev->data->dev_link.link_speed =
+ ethtool_cmd_speed(&cmd);
dev->data->dev_link.link_duplex =
- cmd.duplex ? ETH_LINK_FULL_DUPLEX : ETH_LINK_HALF_DUPLEX;
+ cmd.duplex ?
+ ETH_LINK_FULL_DUPLEX : ETH_LINK_HALF_DUPLEX;
}
}
#endif /* RTE_LIBRTE_PMD_PCAP_IF_MAC_SUPPORT */
@@ -896,21 +900,30 @@ eth_from_pcaps_common(struct rte_vdev_device *vdev,
break;
}
- if (pair == NULL)
+ if (pair == NULL) {
(*internals)->if_index = 0;
- else {
+ } else {
(*internals)->if_index = if_nametoindex(pair->value);
#ifdef RTE_LIBRTE_PMD_PCAP_IF_MAC_SUPPORT
- /* Use real interface mac addr, save name and fd for eth_link_update() */
+ /*
+ * Use real interface mac addr, save name and
+ * file descriptor for the update.
+ */
(*internals)->if_name = strdup(pair->value);
(*internals)->if_fd = socket(AF_INET, SOCK_DGRAM, 0);
if ((*internals)->if_fd != -1) {
struct ifreq ifr;
- strncpy(ifr.ifr_name, pair->value, sizeof(ifr.ifr_name)-1);
- ifr.ifr_name[sizeof(ifr.ifr_name)-1] = 0;
+ strncpy(ifr.ifr_name, pair->value,
+ sizeof(ifr.ifr_name) - 1);
+ ifr.ifr_name[sizeof(ifr.ifr_name) - 1] = 0;
if (!ioctl((*internals)->if_fd, SIOCGIFHWADDR, &ifr)) {
- (*eth_dev)->data->mac_addrs = rte_zmalloc_socket(NULL, ETHER_ADDR_LEN, 0, vdev->device.numa_node);
- rte_memcpy((*eth_dev)->data->mac_addrs, ifr.ifr_addr.sa_data, ETHER_ADDR_LEN);
+ (*eth_dev)->data->mac_addrs =
+ rte_zmalloc_socket(NULL,
+ ETHER_ADDR_LEN, 0,
+ vdev->device.numa_node);
+ rte_memcpy((*eth_dev)->data->mac_addrs,
+ ifr.ifr_addr.sa_data,
+ ETHER_ADDR_LEN);
}
}
#endif /* RTE_LIBRTE_PMD_PCAP_IF_MAC_SUPPORT */
--
2.8.1
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