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path: root/drivers/net/pcap/rte_eth_pcap.c
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Diffstat (limited to 'drivers/net/pcap/rte_eth_pcap.c')
-rw-r--r--drivers/net/pcap/rte_eth_pcap.c274
1 files changed, 185 insertions, 89 deletions
diff --git a/drivers/net/pcap/rte_eth_pcap.c b/drivers/net/pcap/rte_eth_pcap.c
index c1571e1f..e8810a17 100644
--- a/drivers/net/pcap/rte_eth_pcap.c
+++ b/drivers/net/pcap/rte_eth_pcap.c
@@ -26,6 +26,7 @@
#define ETH_PCAP_RX_PCAP_ARG "rx_pcap"
#define ETH_PCAP_TX_PCAP_ARG "tx_pcap"
#define ETH_PCAP_RX_IFACE_ARG "rx_iface"
+#define ETH_PCAP_RX_IFACE_IN_ARG "rx_iface_in"
#define ETH_PCAP_TX_IFACE_ARG "tx_iface"
#define ETH_PCAP_IFACE_ARG "iface"
@@ -83,6 +84,7 @@ static const char *valid_arguments[] = {
ETH_PCAP_RX_PCAP_ARG,
ETH_PCAP_TX_PCAP_ARG,
ETH_PCAP_RX_IFACE_ARG,
+ ETH_PCAP_RX_IFACE_IN_ARG,
ETH_PCAP_TX_IFACE_ARG,
ETH_PCAP_IFACE_ARG,
NULL
@@ -96,9 +98,15 @@ static struct rte_eth_link pmd_link = {
.link_speed = ETH_SPEED_NUM_10G,
.link_duplex = ETH_LINK_FULL_DUPLEX,
.link_status = ETH_LINK_DOWN,
- .link_autoneg = ETH_LINK_AUTONEG,
+ .link_autoneg = ETH_LINK_FIXED,
};
+static int eth_pcap_logtype;
+
+#define PMD_LOG(level, fmt, args...) \
+ rte_log(RTE_LOG_ ## level, eth_pcap_logtype, \
+ "%s(): " fmt "\n", __func__, ##args)
+
static int
eth_pcap_rx_jumbo(struct rte_mempool *mb_pool, struct rte_mbuf *mbuf,
const u_char *data, uint16_t data_len)
@@ -256,8 +264,8 @@ eth_pcap_tx_dumper(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
pcap_dump((u_char *)dumper_q->dumper, &header,
tx_pcap_data);
} else {
- RTE_LOG(ERR, PMD,
- "Dropping PCAP packet. Size (%d) > max jumbo size (%d).\n",
+ PMD_LOG(ERR,
+ "Dropping PCAP packet. Size (%d) > max jumbo size (%d).",
mbuf->pkt_len,
ETHER_MAX_JUMBO_FRAME_LEN);
@@ -313,8 +321,8 @@ eth_pcap_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
ret = pcap_sendpacket(tx_queue->pcap,
tx_pcap_data, mbuf->pkt_len);
} else {
- RTE_LOG(ERR, PMD,
- "Dropping PCAP packet. Size (%d) > max jumbo size (%d).\n",
+ PMD_LOG(ERR,
+ "Dropping PCAP packet. Size (%d) > max jumbo size (%d).",
mbuf->pkt_len,
ETHER_MAX_JUMBO_FRAME_LEN);
@@ -346,7 +354,7 @@ open_iface_live(const char *iface, pcap_t **pcap) {
RTE_ETH_PCAP_PROMISC, RTE_ETH_PCAP_TIMEOUT, errbuf);
if (*pcap == NULL) {
- RTE_LOG(ERR, PMD, "Couldn't open %s: %s\n", iface, errbuf);
+ PMD_LOG(ERR, "Couldn't open %s: %s", iface, errbuf);
return -1;
}
@@ -357,7 +365,7 @@ static int
open_single_iface(const char *iface, pcap_t **pcap)
{
if (open_iface_live(iface, pcap) < 0) {
- RTE_LOG(ERR, PMD, "Couldn't open interface %s\n", iface);
+ PMD_LOG(ERR, "Couldn't open interface %s", iface);
return -1;
}
@@ -376,7 +384,7 @@ open_single_tx_pcap(const char *pcap_filename, pcap_dumper_t **dumper)
*/
tx_pcap = pcap_open_dead(DLT_EN10MB, RTE_ETH_PCAP_SNAPSHOT_LEN);
if (tx_pcap == NULL) {
- RTE_LOG(ERR, PMD, "Couldn't create dead pcap\n");
+ PMD_LOG(ERR, "Couldn't create dead pcap");
return -1;
}
@@ -384,7 +392,7 @@ open_single_tx_pcap(const char *pcap_filename, pcap_dumper_t **dumper)
*dumper = pcap_dump_open(tx_pcap, pcap_filename);
if (*dumper == NULL) {
pcap_close(tx_pcap);
- RTE_LOG(ERR, PMD, "Couldn't open %s for writing.\n",
+ PMD_LOG(ERR, "Couldn't open %s for writing.",
pcap_filename);
return -1;
}
@@ -398,7 +406,7 @@ open_single_rx_pcap(const char *pcap_filename, pcap_t **pcap)
{
*pcap = pcap_open_offline(pcap_filename, errbuf);
if (*pcap == NULL) {
- RTE_LOG(ERR, PMD, "Couldn't open %s: %s\n", pcap_filename,
+ PMD_LOG(ERR, "Couldn't open %s: %s", pcap_filename,
errbuf);
return -1;
}
@@ -424,6 +432,7 @@ eth_dev_start(struct rte_eth_dev *dev)
return -1;
rx->pcap = tx->pcap;
}
+
goto status_up;
}
@@ -459,6 +468,12 @@ eth_dev_start(struct rte_eth_dev *dev)
}
status_up:
+ for (i = 0; i < dev->data->nb_rx_queues; i++)
+ dev->data->rx_queue_state[i] = RTE_ETH_QUEUE_STATE_STARTED;
+
+ for (i = 0; i < dev->data->nb_tx_queues; i++)
+ dev->data->tx_queue_state[i] = RTE_ETH_QUEUE_STATE_STARTED;
+
dev->data->dev_link.link_status = ETH_LINK_UP;
return 0;
@@ -511,6 +526,12 @@ eth_dev_stop(struct rte_eth_dev *dev)
}
status_down:
+ for (i = 0; i < dev->data->nb_rx_queues; i++)
+ dev->data->rx_queue_state[i] = RTE_ETH_QUEUE_STATE_STOPPED;
+
+ for (i = 0; i < dev->data->nb_tx_queues; i++)
+ dev->data->tx_queue_state[i] = RTE_ETH_QUEUE_STATE_STOPPED;
+
dev->data->dev_link.link_status = ETH_LINK_DOWN;
}
@@ -532,6 +553,7 @@ 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
@@ -637,6 +659,38 @@ eth_tx_queue_setup(struct rte_eth_dev *dev,
return 0;
}
+static int
+eth_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+ dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
+
+ return 0;
+}
+
+static int
+eth_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
+{
+ dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
+
+ return 0;
+}
+
+static int
+eth_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+ dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
+
+ return 0;
+}
+
+static int
+eth_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
+{
+ dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
+
+ return 0;
+}
+
static const struct eth_dev_ops ops = {
.dev_start = eth_dev_start,
.dev_stop = eth_dev_stop,
@@ -645,6 +699,10 @@ static const struct eth_dev_ops ops = {
.dev_infos_get = eth_dev_info,
.rx_queue_setup = eth_rx_queue_setup,
.tx_queue_setup = eth_tx_queue_setup,
+ .rx_queue_start = eth_rx_queue_start,
+ .tx_queue_start = eth_tx_queue_start,
+ .rx_queue_stop = eth_rx_queue_stop,
+ .tx_queue_stop = eth_tx_queue_stop,
.rx_queue_release = eth_queue_release,
.tx_queue_release = eth_queue_release,
.link_update = eth_link_update,
@@ -652,6 +710,22 @@ static const struct eth_dev_ops ops = {
.stats_reset = eth_stats_reset,
};
+static int
+add_queue(struct pmd_devargs *pmd, const char *name, const char *type,
+ pcap_t *pcap, pcap_dumper_t *dumper)
+{
+ if (pmd->num_of_queue >= RTE_PMD_PCAP_MAX_QUEUES)
+ return -1;
+ if (pcap)
+ pmd->queue[pmd->num_of_queue].pcap = pcap;
+ if (dumper)
+ pmd->queue[pmd->num_of_queue].dumper = dumper;
+ pmd->queue[pmd->num_of_queue].name = name;
+ pmd->queue[pmd->num_of_queue].type = type;
+ pmd->num_of_queue++;
+ return 0;
+}
+
/*
* Function handler that opens the pcap file for reading a stores a
* reference of it for use it later on.
@@ -659,18 +733,16 @@ static const struct eth_dev_ops ops = {
static int
open_rx_pcap(const char *key, const char *value, void *extra_args)
{
- unsigned int i;
const char *pcap_filename = value;
struct pmd_devargs *rx = extra_args;
pcap_t *pcap = NULL;
- for (i = 0; i < rx->num_of_queue; i++) {
- if (open_single_rx_pcap(pcap_filename, &pcap) < 0)
- return -1;
+ if (open_single_rx_pcap(pcap_filename, &pcap) < 0)
+ return -1;
- rx->queue[i].pcap = pcap;
- rx->queue[i].name = pcap_filename;
- rx->queue[i].type = key;
+ if (add_queue(rx, pcap_filename, key, pcap, NULL) < 0) {
+ pcap_close(pcap);
+ return -1;
}
return 0;
@@ -683,18 +755,16 @@ open_rx_pcap(const char *key, const char *value, void *extra_args)
static int
open_tx_pcap(const char *key, const char *value, void *extra_args)
{
- unsigned int i;
const char *pcap_filename = value;
struct pmd_devargs *dumpers = extra_args;
pcap_dumper_t *dumper;
- for (i = 0; i < dumpers->num_of_queue; i++) {
- if (open_single_tx_pcap(pcap_filename, &dumper) < 0)
- return -1;
+ if (open_single_tx_pcap(pcap_filename, &dumper) < 0)
+ return -1;
- dumpers->queue[i].dumper = dumper;
- dumpers->queue[i].name = pcap_filename;
- dumpers->queue[i].type = key;
+ if (add_queue(dumpers, pcap_filename, key, NULL, dumper) < 0) {
+ pcap_dump_close(dumper);
+ return -1;
}
return 0;
@@ -720,48 +790,76 @@ open_rx_tx_iface(const char *key, const char *value, void *extra_args)
return 0;
}
+static inline int
+set_iface_direction(const char *iface, pcap_t *pcap,
+ pcap_direction_t direction)
+{
+ const char *direction_str = (direction == PCAP_D_IN) ? "IN" : "OUT";
+ if (pcap_setdirection(pcap, direction) < 0) {
+ PMD_LOG(ERR, "Setting %s pcap direction %s failed - %s\n",
+ iface, direction_str, pcap_geterr(pcap));
+ return -1;
+ }
+ PMD_LOG(INFO, "Setting %s pcap direction %s\n",
+ iface, direction_str);
+ return 0;
+}
+
+static inline int
+open_iface(const char *key, const char *value, void *extra_args)
+{
+ const char *iface = value;
+ struct pmd_devargs *pmd = extra_args;
+ pcap_t *pcap = NULL;
+
+ if (open_single_iface(iface, &pcap) < 0)
+ return -1;
+ if (add_queue(pmd, iface, key, pcap, NULL) < 0) {
+ pcap_close(pcap);
+ return -1;
+ }
+
+ return 0;
+}
+
/*
* Opens a NIC for reading packets from it
*/
static inline int
open_rx_iface(const char *key, const char *value, void *extra_args)
{
- unsigned int i;
- const char *iface = value;
- struct pmd_devargs *rx = extra_args;
- pcap_t *pcap = NULL;
+ int ret = open_iface(key, value, extra_args);
+ if (ret < 0)
+ return ret;
+ if (strcmp(key, ETH_PCAP_RX_IFACE_IN_ARG) == 0) {
+ struct pmd_devargs *pmd = extra_args;
+ unsigned int qid = pmd->num_of_queue - 1;
- for (i = 0; i < rx->num_of_queue; i++) {
- if (open_single_iface(iface, &pcap) < 0)
- return -1;
- rx->queue[i].pcap = pcap;
- rx->queue[i].name = iface;
- rx->queue[i].type = key;
+ set_iface_direction(pmd->queue[qid].name,
+ pmd->queue[qid].pcap,
+ PCAP_D_IN);
}
return 0;
}
+static inline int
+rx_iface_args_process(const char *key, const char *value, void *extra_args)
+{
+ if (strcmp(key, ETH_PCAP_RX_IFACE_ARG) == 0 ||
+ strcmp(key, ETH_PCAP_RX_IFACE_IN_ARG) == 0)
+ return open_rx_iface(key, value, extra_args);
+
+ return 0;
+}
+
/*
* Opens a NIC for writing packets to it
*/
static int
open_tx_iface(const char *key, const char *value, void *extra_args)
{
- unsigned int i;
- const char *iface = value;
- struct pmd_devargs *tx = extra_args;
- pcap_t *pcap;
-
- for (i = 0; i < tx->num_of_queue; i++) {
- if (open_single_iface(iface, &pcap) < 0)
- return -1;
- tx->queue[i].pcap = pcap;
- tx->queue[i].name = iface;
- tx->queue[i].type = key;
- }
-
- return 0;
+ return open_iface(key, value, extra_args);
}
static struct rte_vdev_driver pmd_pcap_drv;
@@ -773,27 +871,16 @@ pmd_init_internals(struct rte_vdev_device *vdev,
struct pmd_internals **internals,
struct rte_eth_dev **eth_dev)
{
- struct rte_eth_dev_data *data = NULL;
+ struct rte_eth_dev_data *data;
unsigned int numa_node = vdev->device.numa_node;
- const char *name;
- name = rte_vdev_device_name(vdev);
- RTE_LOG(INFO, PMD, "Creating pcap-backed ethdev on numa socket %d\n",
+ PMD_LOG(INFO, "Creating pcap-backed ethdev on numa socket %d",
numa_node);
- /* now do all data allocation - for eth_dev structure
- * and internal (private) data
- */
- data = rte_zmalloc_socket(name, sizeof(*data), 0, numa_node);
- if (data == NULL)
- return -1;
-
/* reserve an ethdev entry */
*eth_dev = rte_eth_vdev_allocate(vdev, sizeof(**internals));
- if (*eth_dev == NULL) {
- rte_free(data);
+ if (!(*eth_dev))
return -1;
- }
/* now put it all together
* - store queue data in internals,
@@ -802,7 +889,7 @@ 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;
- rte_memcpy(data, (*eth_dev)->data, sizeof(*data));
+ 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;
@@ -812,7 +899,6 @@ pmd_init_internals(struct rte_vdev_device *vdev,
* NOTE: we'll replace the data element, of originally allocated
* eth_dev so the rings are local per-process
*/
- (*eth_dev)->data = data;
(*eth_dev)->dev_ops = &ops;
return 0;
@@ -899,6 +985,7 @@ eth_from_pcaps(struct rte_vdev_device *vdev,
else
eth_dev->tx_pkt_burst = eth_pcap_tx;
+ rte_eth_dev_probing_finish(eth_dev);
return 0;
}
@@ -910,16 +997,31 @@ pmd_pcap_probe(struct rte_vdev_device *dev)
struct rte_kvargs *kvlist;
struct pmd_devargs pcaps = {0};
struct pmd_devargs dumpers = {0};
+ struct rte_eth_dev *eth_dev;
int single_iface = 0;
int ret;
name = rte_vdev_device_name(dev);
- RTE_LOG(INFO, PMD, "Initializing pmd_pcap for %s\n", name);
+ PMD_LOG(INFO, "Initializing pmd_pcap for %s", name);
gettimeofday(&start_time, NULL);
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) {
+ eth_dev = rte_eth_dev_attach_secondary(name);
+ if (!eth_dev) {
+ PMD_LOG(ERR, "Failed to probe %s", name);
+ return -1;
+ }
+ /* TODO: request info from primary to set up Rx and Tx */
+ eth_dev->dev_ops = &ops;
+ eth_dev->device = &dev->device;
+ rte_eth_dev_probing_finish(eth_dev);
+ return 0;
+ }
+
kvlist = rte_kvargs_parse(rte_vdev_device_args(dev), valid_arguments);
if (kvlist == NULL)
return -1;
@@ -949,22 +1051,16 @@ pmd_pcap_probe(struct rte_vdev_device *dev)
* We check whether we want to open a RX stream from a real NIC or a
* pcap file
*/
- pcaps.num_of_queue = rte_kvargs_count(kvlist, ETH_PCAP_RX_PCAP_ARG);
- if (pcaps.num_of_queue)
- is_rx_pcap = 1;
- else
- pcaps.num_of_queue = rte_kvargs_count(kvlist,
- ETH_PCAP_RX_IFACE_ARG);
-
- if (pcaps.num_of_queue > RTE_PMD_PCAP_MAX_QUEUES)
- pcaps.num_of_queue = RTE_PMD_PCAP_MAX_QUEUES;
+ is_rx_pcap = rte_kvargs_count(kvlist, ETH_PCAP_RX_PCAP_ARG) ? 1 : 0;
+ pcaps.num_of_queue = 0;
- if (is_rx_pcap)
+ if (is_rx_pcap) {
ret = rte_kvargs_process(kvlist, ETH_PCAP_RX_PCAP_ARG,
&open_rx_pcap, &pcaps);
- else
- ret = rte_kvargs_process(kvlist, ETH_PCAP_RX_IFACE_ARG,
- &open_rx_iface, &pcaps);
+ } else {
+ ret = rte_kvargs_process(kvlist, NULL,
+ &rx_iface_args_process, &pcaps);
+ }
if (ret < 0)
goto free_kvlist;
@@ -973,15 +1069,8 @@ pmd_pcap_probe(struct rte_vdev_device *dev)
* We check whether we want to open a TX stream to a real NIC or a
* pcap file
*/
- dumpers.num_of_queue = rte_kvargs_count(kvlist, ETH_PCAP_TX_PCAP_ARG);
- if (dumpers.num_of_queue)
- is_tx_pcap = 1;
- else
- dumpers.num_of_queue = rte_kvargs_count(kvlist,
- ETH_PCAP_TX_IFACE_ARG);
-
- if (dumpers.num_of_queue > RTE_PMD_PCAP_MAX_QUEUES)
- dumpers.num_of_queue = RTE_PMD_PCAP_MAX_QUEUES;
+ is_tx_pcap = rte_kvargs_count(kvlist, ETH_PCAP_TX_PCAP_ARG) ? 1 : 0;
+ dumpers.num_of_queue = 0;
if (is_tx_pcap)
ret = rte_kvargs_process(kvlist, ETH_PCAP_TX_PCAP_ARG,
@@ -1008,7 +1097,7 @@ pmd_pcap_remove(struct rte_vdev_device *dev)
{
struct rte_eth_dev *eth_dev = NULL;
- RTE_LOG(INFO, PMD, "Closing pcap ethdev on numa socket %d\n",
+ PMD_LOG(INFO, "Closing pcap ethdev on numa socket %d",
rte_socket_id());
if (!dev)
@@ -1020,7 +1109,6 @@ pmd_pcap_remove(struct rte_vdev_device *dev)
return -1;
rte_free(eth_dev->data->dev_private);
- rte_free(eth_dev->data);
rte_eth_dev_release_port(eth_dev);
@@ -1038,5 +1126,13 @@ RTE_PMD_REGISTER_PARAM_STRING(net_pcap,
ETH_PCAP_RX_PCAP_ARG "=<string> "
ETH_PCAP_TX_PCAP_ARG "=<string> "
ETH_PCAP_RX_IFACE_ARG "=<ifc> "
+ ETH_PCAP_RX_IFACE_IN_ARG "=<ifc> "
ETH_PCAP_TX_IFACE_ARG "=<ifc> "
ETH_PCAP_IFACE_ARG "=<ifc>");
+
+RTE_INIT(eth_pcap_init_log)
+{
+ eth_pcap_logtype = rte_log_register("pmd.net.pcap");
+ if (eth_pcap_logtype >= 0)
+ rte_log_set_level(eth_pcap_logtype, RTE_LOG_NOTICE);
+}