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authorLuca Boccassi <luca.boccassi@gmail.com>2018-11-01 11:59:50 +0000
committerLuca Boccassi <luca.boccassi@gmail.com>2018-11-01 12:00:19 +0000
commit8d01b9cd70a67cdafd5b965a70420c3bd7fb3f82 (patch)
tree208e3bc33c220854d89d010e3abf720a2e62e546 /drivers/net/pcap
parentb63264c8342e6a1b6971c79550d2af2024b6a4de (diff)
New upstream version 18.11-rc1upstream/18.11-rc1
Change-Id: Iaa71986dd6332e878d8f4bf493101b2bbc6313bb Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/net/pcap')
-rw-r--r--drivers/net/pcap/rte_eth_pcap.c186
1 files changed, 156 insertions, 30 deletions
diff --git a/drivers/net/pcap/rte_eth_pcap.c b/drivers/net/pcap/rte_eth_pcap.c
index e8810a17..7bbe72e2 100644
--- a/drivers/net/pcap/rte_eth_pcap.c
+++ b/drivers/net/pcap/rte_eth_pcap.c
@@ -7,6 +7,14 @@
#include <time.h>
#include <net/if.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+#if defined(RTE_EXEC_ENV_BSDAPP)
+#include <sys/sysctl.h>
+#include <net/if_dl.h>
+#endif
#include <pcap.h>
@@ -17,6 +25,7 @@
#include <rte_malloc.h>
#include <rte_mbuf.h>
#include <rte_bus_vdev.h>
+#include <rte_string_fns.h>
#define RTE_ETH_PCAP_SNAPSHOT_LEN 65535
#define RTE_ETH_PCAP_SNAPLEN ETHER_MAX_JUMBO_FRAME_LEN
@@ -29,6 +38,7 @@
#define ETH_PCAP_RX_IFACE_IN_ARG "rx_iface_in"
#define ETH_PCAP_TX_IFACE_ARG "tx_iface"
#define ETH_PCAP_IFACE_ARG "iface"
+#define ETH_PCAP_PHY_MAC_ARG "phy_mac"
#define ETH_PCAP_ARG_MAXLEN 64
@@ -39,6 +49,7 @@ static unsigned char tx_pcap_data[RTE_ETH_PCAP_SNAPLEN];
static struct timeval start_time;
static uint64_t start_cycles;
static uint64_t hz;
+static uint8_t iface_idx;
struct queue_stat {
volatile unsigned long pkts;
@@ -66,8 +77,10 @@ struct pcap_tx_queue {
struct pmd_internals {
struct pcap_rx_queue rx_queue[RTE_PMD_PCAP_MAX_QUEUES];
struct pcap_tx_queue tx_queue[RTE_PMD_PCAP_MAX_QUEUES];
+ struct ether_addr eth_addr;
int if_index;
int single_iface;
+ int phy_mac;
};
struct pmd_devargs {
@@ -78,6 +91,7 @@ struct pmd_devargs {
const char *name;
const char *type;
} queue[RTE_PMD_PCAP_MAX_QUEUES];
+ int phy_mac;
};
static const char *valid_arguments[] = {
@@ -87,13 +101,10 @@ static const char *valid_arguments[] = {
ETH_PCAP_RX_IFACE_IN_ARG,
ETH_PCAP_TX_IFACE_ARG,
ETH_PCAP_IFACE_ARG,
+ ETH_PCAP_PHY_MAC_ARG,
NULL
};
-static struct ether_addr eth_addr = {
- .addr_bytes = { 0, 0, 0, 0x1, 0x2, 0x3 }
-};
-
static struct rte_eth_link pmd_link = {
.link_speed = ETH_SPEED_NUM_10G,
.link_duplex = ETH_LINK_FULL_DUPLEX,
@@ -553,7 +564,6 @@ eth_dev_info(struct rte_eth_dev *dev,
dev_info->max_rx_queues = dev->data->nb_rx_queues;
dev_info->max_tx_queues = dev->data->nb_tx_queues;
dev_info->min_rx_bufsize = 0;
- dev_info->rx_offload_capa = DEV_RX_OFFLOAD_CRC_STRIP;
}
static int
@@ -862,6 +872,20 @@ open_tx_iface(const char *key, const char *value, void *extra_args)
return open_iface(key, value, extra_args);
}
+static int
+select_phy_mac(const char *key __rte_unused, const char *value,
+ void *extra_args)
+{
+ if (extra_args) {
+ const int phy_mac = atoi(value);
+ int *enable_phy_mac = extra_args;
+
+ if (phy_mac)
+ *enable_phy_mac = 1;
+ }
+ return 0;
+}
+
static struct rte_vdev_driver pmd_pcap_drv;
static int
@@ -889,11 +913,20 @@ pmd_init_internals(struct rte_vdev_device *vdev,
* - and point eth_dev structure to new eth_dev_data structure
*/
*internals = (*eth_dev)->data->dev_private;
+ /*
+ * Interface MAC = 02:70:63:61:70:<iface_idx>
+ * derived from: 'locally administered':'p':'c':'a':'p':'iface_idx'
+ * where the middle 4 characters are converted to hex.
+ */
+ (*internals)->eth_addr = (struct ether_addr) {
+ .addr_bytes = { 0x02, 0x70, 0x63, 0x61, 0x70, iface_idx++ }
+ };
+ (*internals)->phy_mac = 0;
data = (*eth_dev)->data;
data->nb_rx_queues = (uint16_t)nb_rx_queues;
data->nb_tx_queues = (uint16_t)nb_tx_queues;
data->dev_link = pmd_link;
- data->mac_addrs = &eth_addr;
+ data->mac_addrs = &(*internals)->eth_addr;
/*
* NOTE: we'll replace the data element, of originally allocated
@@ -905,14 +938,95 @@ pmd_init_internals(struct rte_vdev_device *vdev,
}
static int
+eth_pcap_update_mac(const char *if_name, struct rte_eth_dev *eth_dev,
+ const unsigned int numa_node)
+{
+#if defined(RTE_EXEC_ENV_LINUXAPP)
+ void *mac_addrs;
+ struct ifreq ifr;
+ int if_fd = socket(AF_INET, SOCK_DGRAM, 0);
+
+ if (if_fd == -1)
+ return -1;
+
+ rte_strscpy(ifr.ifr_name, if_name, sizeof(ifr.ifr_name));
+ if (ioctl(if_fd, SIOCGIFHWADDR, &ifr)) {
+ close(if_fd);
+ return -1;
+ }
+
+ mac_addrs = rte_zmalloc_socket(NULL, ETHER_ADDR_LEN, 0, numa_node);
+ if (!mac_addrs) {
+ close(if_fd);
+ return -1;
+ }
+
+ PMD_LOG(INFO, "Setting phy MAC for %s", if_name);
+ eth_dev->data->mac_addrs = mac_addrs;
+ rte_memcpy(eth_dev->data->mac_addrs[0].addr_bytes,
+ ifr.ifr_hwaddr.sa_data, ETHER_ADDR_LEN);
+
+ close(if_fd);
+
+ return 0;
+
+#elif defined(RTE_EXEC_ENV_BSDAPP)
+ void *mac_addrs;
+ struct if_msghdr *ifm;
+ struct sockaddr_dl *sdl;
+ int mib[6];
+ size_t len = 0;
+ char *buf;
+
+ mib[0] = CTL_NET;
+ mib[1] = AF_ROUTE;
+ mib[2] = 0;
+ mib[3] = AF_LINK;
+ mib[4] = NET_RT_IFLIST;
+ mib[5] = if_nametoindex(if_name);
+
+ if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0)
+ return -1;
+
+ if (len == 0)
+ return -1;
+
+ buf = rte_malloc(NULL, len, 0);
+ if (!buf)
+ return -1;
+
+ if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
+ rte_free(buf);
+ return -1;
+ }
+ ifm = (struct if_msghdr *)buf;
+ sdl = (struct sockaddr_dl *)(ifm + 1);
+
+ mac_addrs = rte_zmalloc_socket(NULL, ETHER_ADDR_LEN, 0, numa_node);
+ if (!mac_addrs) {
+ rte_free(buf);
+ return -1;
+ }
+
+ PMD_LOG(INFO, "Setting phy MAC for %s", if_name);
+ eth_dev->data->mac_addrs = mac_addrs;
+ rte_memcpy(eth_dev->data->mac_addrs[0].addr_bytes,
+ LLADDR(sdl), ETHER_ADDR_LEN);
+
+ rte_free(buf);
+
+ return 0;
+#else
+ return -1;
+#endif
+}
+
+static int
eth_from_pcaps_common(struct rte_vdev_device *vdev,
struct pmd_devargs *rx_queues, const unsigned int nb_rx_queues,
struct pmd_devargs *tx_queues, const unsigned int nb_tx_queues,
- struct rte_kvargs *kvlist, struct pmd_internals **internals,
- struct rte_eth_dev **eth_dev)
+ struct pmd_internals **internals, struct rte_eth_dev **eth_dev)
{
- struct rte_kvargs_pair *pair = NULL;
- unsigned int k_idx;
unsigned int i;
/* do some parameter checking */
@@ -944,17 +1058,6 @@ eth_from_pcaps_common(struct rte_vdev_device *vdev,
snprintf(tx->type, sizeof(tx->type), "%s", queue->type);
}
- for (k_idx = 0; k_idx < kvlist->count; k_idx++) {
- pair = &kvlist->pairs[k_idx];
- if (strstr(pair->key, ETH_PCAP_IFACE_ARG) != NULL)
- break;
- }
-
- if (pair == NULL)
- (*internals)->if_index = 0;
- else
- (*internals)->if_index = if_nametoindex(pair->value);
-
return 0;
}
@@ -962,15 +1065,14 @@ static int
eth_from_pcaps(struct rte_vdev_device *vdev,
struct pmd_devargs *rx_queues, const unsigned int nb_rx_queues,
struct pmd_devargs *tx_queues, const unsigned int nb_tx_queues,
- struct rte_kvargs *kvlist, int single_iface,
- unsigned int using_dumpers)
+ int single_iface, unsigned int using_dumpers)
{
struct pmd_internals *internals = NULL;
struct rte_eth_dev *eth_dev = NULL;
int ret;
ret = eth_from_pcaps_common(vdev, rx_queues, nb_rx_queues,
- tx_queues, nb_tx_queues, kvlist, &internals, &eth_dev);
+ tx_queues, nb_tx_queues, &internals, &eth_dev);
if (ret < 0)
return ret;
@@ -978,6 +1080,18 @@ eth_from_pcaps(struct rte_vdev_device *vdev,
/* store weather we are using a single interface for rx/tx or not */
internals->single_iface = single_iface;
+ if (single_iface) {
+ internals->if_index = if_nametoindex(rx_queues->queue[0].name);
+
+ /* phy_mac arg is applied only only if "iface" devarg is provided */
+ if (rx_queues->phy_mac) {
+ int ret = eth_pcap_update_mac(rx_queues->queue[0].name,
+ eth_dev, vdev->device.numa_node);
+ if (ret == 0)
+ internals->phy_mac = 1;
+ }
+ }
+
eth_dev->rx_pkt_burst = eth_pcap_rx;
if (using_dumpers)
@@ -1008,8 +1122,7 @@ pmd_pcap_probe(struct rte_vdev_device *dev)
start_cycles = rte_get_timer_cycles();
hz = rte_get_timer_hz();
- if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
- strlen(rte_vdev_device_args(dev)) == 0) {
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
eth_dev = rte_eth_dev_attach_secondary(name);
if (!eth_dev) {
PMD_LOG(ERR, "Failed to probe %s", name);
@@ -1034,12 +1147,18 @@ pmd_pcap_probe(struct rte_vdev_device *dev)
ret = rte_kvargs_process(kvlist, ETH_PCAP_IFACE_ARG,
&open_rx_tx_iface, &pcaps);
-
if (ret < 0)
goto free_kvlist;
dumpers.queue[0] = pcaps.queue[0];
+ ret = rte_kvargs_process(kvlist, ETH_PCAP_PHY_MAC_ARG,
+ &select_phy_mac, &pcaps.phy_mac);
+ if (ret < 0)
+ goto free_kvlist;
+
+ dumpers.phy_mac = pcaps.phy_mac;
+
single_iface = 1;
pcaps.num_of_queue = 1;
dumpers.num_of_queue = 1;
@@ -1084,7 +1203,7 @@ pmd_pcap_probe(struct rte_vdev_device *dev)
create_eth:
ret = eth_from_pcaps(dev, &pcaps, pcaps.num_of_queue, &dumpers,
- dumpers.num_of_queue, kvlist, single_iface, is_tx_pcap);
+ dumpers.num_of_queue, single_iface, is_tx_pcap);
free_kvlist:
rte_kvargs_free(kvlist);
@@ -1095,6 +1214,7 @@ free_kvlist:
static int
pmd_pcap_remove(struct rte_vdev_device *dev)
{
+ struct pmd_internals *internals = NULL;
struct rte_eth_dev *eth_dev = NULL;
PMD_LOG(INFO, "Closing pcap ethdev on numa socket %d",
@@ -1108,7 +1228,12 @@ pmd_pcap_remove(struct rte_vdev_device *dev)
if (eth_dev == NULL)
return -1;
- rte_free(eth_dev->data->dev_private);
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ internals = eth_dev->data->dev_private;
+ if (internals != NULL && internals->phy_mac == 0)
+ /* not dynamically allocated, must not be freed */
+ eth_dev->data->mac_addrs = NULL;
+ }
rte_eth_dev_release_port(eth_dev);
@@ -1128,7 +1253,8 @@ RTE_PMD_REGISTER_PARAM_STRING(net_pcap,
ETH_PCAP_RX_IFACE_ARG "=<ifc> "
ETH_PCAP_RX_IFACE_IN_ARG "=<ifc> "
ETH_PCAP_TX_IFACE_ARG "=<ifc> "
- ETH_PCAP_IFACE_ARG "=<ifc>");
+ ETH_PCAP_IFACE_ARG "=<ifc> "
+ ETH_PCAP_PHY_MAC_ARG "=<int>");
RTE_INIT(eth_pcap_init_log)
{