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app/test: use linked list to store PCI drivers

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The test unregisters all drivers before start. The drivers were stored
into a fixed-sized array. This is inflexible. This patch change this to
utilize a linked list for the same purpose.

Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
This commit is contained in:
Jan Viktorin 2016-06-13 17:07:41 +02:00 committed by Thomas Monjalon
parent 66819e6c11
commit 56a6e9c457
1 changed files with 12 additions and 6 deletions
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18
app/test/test_pci.c
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@ -144,21 +144,24 @@ static void free_devargs_list(void)
}
}
/* backup real drivers (not used for testing) */
struct pci_driver_list real_pci_driver_list =
TAILQ_HEAD_INITIALIZER(real_pci_driver_list);
int
test_pci(void)
{
struct rte_devargs_list save_devargs_list;
struct rte_pci_driver *dr = NULL;
struct rte_pci_driver *save_pci_driver_list[NUM_MAX_DRIVERS];
unsigned i, num_drivers = 0;
printf("Dump all devices\n");
rte_eal_pci_dump(stdout);
/* Unregister all previous drivers */
TAILQ_FOREACH(dr, &pci_driver_list, next) {
while (!TAILQ_EMPTY(&pci_driver_list)) {
dr = TAILQ_FIRST(&pci_driver_list);
rte_eal_pci_unregister(dr);
save_pci_driver_list[num_drivers++] = dr;
TAILQ_INSERT_TAIL(&real_pci_driver_list, dr, next);
}
rte_eal_pci_register(&my_driver);
@ -197,8 +200,11 @@ test_pci(void)
rte_eal_pci_unregister(&my_driver2);
/* Restore original driver list */
for (i = 0; i < num_drivers; i++)
rte_eal_pci_register(save_pci_driver_list[i]);
while (!TAILQ_EMPTY(&real_pci_driver_list)) {
dr = TAILQ_FIRST(&real_pci_driver_list);
TAILQ_REMOVE(&real_pci_driver_list, dr, next);
rte_eal_pci_register(dr);
}
return 0;
}