diff mbox

[dpdk-dev,44/80] net/sfc: size MAC stats DMA buffer to support Medford2

Message ID 1519112078-20113-45-git-send-email-arybchenko@solarflare.com (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation fail apply patch file failure

Commit Message

Andrew Rybchenko Feb. 20, 2018, 7:34 a.m. UTC 
  Medford2 supports more MAC stats than previous HW. So DMA
buffer must be sized properly.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
---
 drivers/net/sfc/sfc_port.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/net/sfc/sfc_port.c b/drivers/net/sfc/sfc_port.c
index c423f52..0272b55 100644
--- a/drivers/net/sfc/sfc_port.c
+++ b/drivers/net/sfc/sfc_port.c
@@ -323,6 +323,8 @@  sfc_port_attach(struct sfc_adapter *sa)
 	struct sfc_port *port = &sa->port;
 	const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
 	const struct ether_addr *from;
+	uint32_t mac_nstats;
+	size_t mac_stats_size;
 	long kvarg_stats_update_period_ms;
 	int rc;
 
@@ -358,7 +360,9 @@  sfc_port_attach(struct sfc_adapter *sa)
 	if (port->mac_stats_buf == NULL)
 		goto fail_mac_stats_buf_alloc;
 
-	rc = sfc_dma_alloc(sa, "mac_stats", 0, EFX_MAC_STATS_SIZE,
+	mac_nstats = efx_nic_cfg_get(sa->nic)->enc_mac_stats_nstats;
+	mac_stats_size = RTE_ALIGN(mac_nstats * sizeof(uint64_t), EFX_BUF_SIZE);
+	rc = sfc_dma_alloc(sa, "mac_stats", 0, mac_stats_size,
 			   sa->socket_id, &port->mac_stats_dma_mem);
 	if (rc != 0)
 		goto fail_mac_stats_dma_alloc;