net/failsafe: replace sub-device pointer with port id

[dpdk.git] / drivers / net / failsafe / failsafe_private.h

diff --git a/drivers/net/failsafe/failsafe_private.h b/drivers/net/failsafe/failsafe_private.h
index 785a302..4f58a5c 100644 (file)
--- a/drivers/net/failsafe/failsafe_private.h
+++ b/drivers/net/failsafe/failsafe_private.h
@@ -100,13 +100,15 @@ struct fs_stats {
        uint64_t timestamp;
 };
 
+/*
+ * Allocated in shared memory.
+ */
 struct sub_device {
        /* Exhaustive DPDK device description */
        struct sub_device *next;
        struct rte_devargs devargs;
-       struct rte_bus *bus;
-       struct rte_device *dev;
-       struct rte_eth_dev *edev;
+       struct rte_bus *bus; /* for primary process only. */
+       struct rte_device *dev; /* for primary process only. */
        uint8_t sid;
        /* Device state machine */
        enum dev_state state;
@@ -118,6 +120,8 @@ struct sub_device {
        char *fd_str;
        /* fail-safe device backreference */
        uint16_t fs_port_id; /* shared between processes */
+       /* sub device port id*/
+       uint16_t sdev_port_id; /* shared between processes */
        /* flag calling for recollection */
        volatile unsigned int remove:1;
        /* flow isolation state */
@@ -139,7 +143,7 @@ struct fs_priv {
         * subs[0] is the preferred device
         * any other is just another slave
         */
-       struct sub_device *subs;
+       struct sub_device *subs;  /* shared between processes */
        uint8_t subs_head; /* if head == tail, no subs */
        uint8_t subs_tail; /* first invalid */
        uint8_t subs_tx; /* current emitting device */
@@ -254,11 +258,12 @@ extern int failsafe_mac_from_arg;
 
 /* sdev: (struct sub_device *) */
 #define ETH(sdev) \
-       ((sdev)->edev)
+       ((sdev)->sdev_port_id == RTE_MAX_ETHPORTS ? \
+       NULL : &rte_eth_devices[(sdev)->sdev_port_id])
 
 /* sdev: (struct sub_device *) */
 #define PORT_ID(sdev) \
-       (ETH(sdev)->data->port_id)
+       ((sdev)->sdev_port_id)
 
 /* sdev: (struct sub_device *) */
 #define SUB_ID(sdev) \