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authorThomas Monjalon <thomas@monjalon.net>2018-10-22 15:15:29 +0200
committerFerruh Yigit <ferruh.yigit@intel.com>2018-10-26 22:14:06 +0200
commita7d3c6271d558e881e3ba1304e9f8683aca944e4 (patch)
tree24d289724f50dcd9e481b9356d385a8efa34add4 /lib
parent7f07e7d794d62830faee7cc90486acbe4a0740b4 (diff)
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ethdev: support representor id as iterator filter
The representor id is added in rte_eth_dev_data in order to be able to match a port with its representor id in devargs. Signed-off-by: Thomas Monjalon <thomas@monjalon.net> Reviewed-by: Andrew Rybchenko <arybchenko@solarflare.com>
Diffstat (limited to 'lib')
-rw-r--r--lib/librte_ethdev/rte_class_eth.c44
-rw-r--r--lib/librte_ethdev/rte_ethdev_core.h4
2 files changed, 48 insertions, 0 deletions
diff --git a/lib/librte_ethdev/rte_class_eth.c b/lib/librte_ethdev/rte_class_eth.c
index 58fed69..fca7fe4 100644
--- a/lib/librte_ethdev/rte_class_eth.c
+++ b/lib/librte_ethdev/rte_class_eth.c
@@ -12,13 +12,16 @@
#include "rte_ethdev.h"
#include "rte_ethdev_core.h"
+#include "rte_ethdev_driver.h"
#include "ethdev_private.h"
enum eth_params {
+ RTE_ETH_PARAM_REPRESENTOR,
RTE_ETH_PARAM_MAX,
};
static const char * const eth_params_keys[] = {
+ [RTE_ETH_PARAM_REPRESENTOR] = "representor",
[RTE_ETH_PARAM_MAX] = NULL,
};
@@ -34,9 +37,43 @@ struct eth_dev_match_arg {
})
static int
+eth_representor_cmp(const char *key __rte_unused,
+ const char *value, void *opaque)
+{
+ int ret;
+ char *values;
+ const struct rte_eth_dev_data *data = opaque;
+ struct rte_eth_devargs representors;
+ uint16_t index;
+
+ if ((data->dev_flags & RTE_ETH_DEV_REPRESENTOR) == 0)
+ return -1; /* not a representor port */
+
+ /* Parse devargs representor values. */
+ values = strdup(value);
+ if (values == NULL)
+ return -1;
+ memset(&representors, 0, sizeof(representors));
+ ret = rte_eth_devargs_parse_list(values,
+ rte_eth_devargs_parse_representor_ports,
+ &representors);
+ free(values);
+ if (ret != 0)
+ return -1; /* invalid devargs value */
+
+ /* Return 0 if representor id is matching one of the values. */
+ for (index = 0; index < representors.nb_representor_ports; index++)
+ if (data->representor_id ==
+ representors.representor_ports[index])
+ return 0;
+ return -1; /* no match */
+}
+
+static int
eth_dev_match(const struct rte_eth_dev *edev,
const void *_arg)
{
+ int ret;
const struct eth_dev_match_arg *arg = _arg;
const struct rte_kvargs *kvlist = arg->kvlist;
@@ -47,6 +84,13 @@ eth_dev_match(const struct rte_eth_dev *edev,
if (kvlist == NULL)
/* Empty string matches everything. */
return 0;
+
+ ret = rte_kvargs_process(kvlist,
+ eth_params_keys[RTE_ETH_PARAM_REPRESENTOR],
+ eth_representor_cmp, edev->data);
+ if (ret != 0)
+ return -1;
+
return 0;
}
diff --git a/lib/librte_ethdev/rte_ethdev_core.h b/lib/librte_ethdev/rte_ethdev_core.h
index 9a020ce..8f03f83 100644
--- a/lib/librte_ethdev/rte_ethdev_core.h
+++ b/lib/librte_ethdev/rte_ethdev_core.h
@@ -625,6 +625,10 @@ struct rte_eth_dev_data {
struct rte_vlan_filter_conf vlan_filter_conf;
/**< VLAN filter configuration. */
struct rte_eth_dev_owner owner; /**< The port owner. */
+ uint16_t representor_id;
+ /**< Switch-specific identifier.
+ * Valid if RTE_ETH_DEV_REPRESENTOR in dev_flags.
+ */
} __rte_cache_aligned;
/**