From: Yevgeny Petrilin <yevgenyp-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
To: rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
liranl-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org,
tziporet-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org,
yevgenyp-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org
Subject: [PATCH 19/25 v2] mlx4: Randomizing mac addresses for slaves
Date: Fri, 06 Nov 2009 05:10:02 +0200 [thread overview]
Message-ID: <4AF3938A.3080803@mellanox.co.il> (raw)
Signed-off-by: Yevgeny Petrilin <yevgenyp-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
---
drivers/net/mlx4/fw.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index 60889d3..7343c70 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -32,6 +32,7 @@
* SOFTWARE.
*/
+#include <linux/etherdevice.h>
#include <linux/mlx4/cmd.h>
#include <linux/cache.h>
@@ -148,7 +149,8 @@ int mlx4_QUERY_SLAVE_CAP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vh
struct mlx4_cmd_mailbox *outbox)
{
struct mlx4_caps *caps = outbox->buf;
- int i;
+ u8 rand_mac[6];
+ int i, j;
memcpy(caps, &dev->caps, sizeof *caps);
@@ -165,6 +167,10 @@ int mlx4_QUERY_SLAVE_CAP_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vh
for (i = 1; i <= dev->caps.num_ports; ++i) {
caps->gid_table_len[i] = 1;
caps->pkey_table_len[i] = 1;
+ random_ether_addr(rand_mac);
+ caps->def_mac[i] = 0;
+ for (j = 0; j < ETH_ALEN; j++)
+ caps->def_mac[i] |= ((u64)(rand_mac[1]) << 8 * j);
}
} else {
caps->sqp_demux = dev->num_slaves;
--
1.5.3.7
From: Liran Liss <liranl-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
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reply other threads:[~2009-11-06 3:10 UTC|newest]
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