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dpdk: device_id sorted order for cryptodev

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By default, VPP automatically assignes for each tunnel
next available QAT device by order dev_id-que-pair.
In most cases we have more than one device and it can
greatly increase ipsec perfomance without any actions
with configuration from user  if we use all the
devices first and first que-pairs

Type: feature

Signed-off-by: Vladimir Ratnikov <vratnikov@netgate.com>
Change-Id: Iac9fe74768775459e22f69bb3706b542090a9375
This commit is contained in:
Vladimir Ratnikov
2020-07-23 05:11:09 -04:00
committed by Matthew Smith
parent c79a14f13a
commit 5a849e3b35
1 changed files with 16 additions and 0 deletions

16
src/plugins/dpdk/cryptodev/cryptodev.c

@ -1181,9 +1181,23 @@ cryptodev_create_device (vlib_main_t *vm, u32 n_queues)
return 0;
}
static int
cryptodev_cmp (void *v1, void *v2)
{
cryptodev_inst_t *a1 = v1;
cryptodev_inst_t *a2 = v2;
if (a1->q_id > a2->q_id)
return 1;
if (a1->q_id < a2->q_id)
return -1;
return 0;
}
static int
cryptodev_probe (vlib_main_t *vm, u32 n_workers)
{
cryptodev_main_t *cmt = &cryptodev_main;
u32 n_queues = cryptodev_count_queue (vm->numa_node);
u32 i;
int ret;
@ -1204,6 +1218,8 @@ cryptodev_probe (vlib_main_t *vm, u32 n_workers)
return ret;
}
vec_sort_with_function(cmt->cryptodev_inst, cryptodev_cmp);
return 0;
}