On 01/06/2018 04:06 AM, Stephen Hemminger wrote:
Use the new API (_rte_eth_linkstatus_set) to handle link status update.
Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
Many thanks. Good idea since the code is definitely shorter and easier
to read/understand.
The summary should be net/sfc:, not just sfc:. In fact it is applicable
to all network driver patches.
---
drivers/net/sfc/sfc_ethdev.c | 27 +++++++--------------------
drivers/net/sfc/sfc_ev.c | 23 ++++-------------------
2 files changed, 11 insertions(+), 39 deletions(-)
<...>
diff --git a/drivers/net/sfc/sfc_ev.c b/drivers/net/sfc/sfc_ev.c
index a16dc27b380e..3e96536a9d60 100644
--- a/drivers/net/sfc/sfc_ev.c
+++ b/drivers/net/sfc/sfc_ev.c
@@ -404,29 +404,14 @@ sfc_ev_link_change(void *arg, efx_link_mode_t link_mode)
{
struct sfc_evq *evq = arg;
struct sfc_adapter *sa = evq->sa;
- struct rte_eth_link *dev_link = &sa->eth_dev->data->dev_link;
struct rte_eth_link new_link;
- uint64_t new_link_u64;
- uint64_t old_link_u64;
-
- EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t));
sfc_port_link_mode_to_info(link_mode, &new_link);
+ if (_rte_eth_linkstatus_set(sa->eth_dev, &new_link) == 0)
+ return B_FALSE;
- new_link_u64 = *(uint64_t *)&new_link;
- do {
- old_link_u64 = rte_atomic64_read((rte_atomic64_t *)dev_link);
- if (old_link_u64 == new_link_u64)
- break;
-
- if (rte_atomic64_cmpset((volatile uint64_t *)dev_link,
- old_link_u64, new_link_u64)) {
- evq->sa->port.lsc_seq++;
- break;
- }
- } while (B_TRUE);
-
- return B_FALSE;
+ evq->sa->port.lsc_seq++;
+ return B_TRUE;
It must be return B_FALSE as before the patch..
}
static const efx_ev_callbacks_t sfc_ev_callbacks = {