[dpdk-dev] [PATCH] net/nfp: write PF MAC to config BAR
Alejandro Lucero
alejandro.lucero at netronome.com
Wed Sep 13 22:55:45 CEST 2017
VFs rely on config BAR for getting the MAC address, although a
random one is created a valid address is not found.
A PF port has a fixed MAC which is currently acquired using the NSPU
interface. Some NFP firmwares require the MAC being writing back
to the config BAR for doing proper MAC filtering.
Signed-off-by: Alejandro Lucero <alejandro.lucero at netronome.com>
---
drivers/net/nfp/nfp_net.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 000d339..fe41e61 100644
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -2810,10 +2810,12 @@ uint32_t nfp_net_txq_full(struct nfp_net_txq *txq)
return -ENOMEM;
}
- if (hw->is_pf)
+ if (hw->is_pf) {
nfp_net_pf_read_mac(hwport0, port);
- else
+ nfp_net_write_mac(hw, (uint8_t *)&hw->mac_addr);
+ } else {
nfp_net_vf_read_mac(hw);
+ }
if (!is_valid_assigned_ether_addr((struct ether_addr *)&hw->mac_addr)) {
/* Using random mac addresses for VFs */
--
1.9.1
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