Thread (11 messages) 11 messages, 2 authors, 2015-07-11
STALE3995d
Revisions (4)
  1. v1 current
  2. v1 [diff vs current]
  3. v2 [diff vs current]
  4. v3 [diff vs current]

[PATCH net-next 2/9] be2net: query FW to check if EVB is enabled

From: Sathya Perla <hidden>
Date: 2015-07-10 09:26:32
Subsystem: emulex 10gbps nic be2, be3-r, lancer, skyhawk-r driver (be2net), networking drivers, the rest · Maintainers: Ajit Khaparde, Sriharsha Basavapatna, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Kalesh Purayil <redacted>

The current code assumes that bridge functionality (EVB) in the adapter
is enabled only when SR-IOV is enabled. This is not always true.
This patch uses the GET_HSW_CONFIG FW cmd to query this from the FW.

Signed-off-by: Kalesh AP <redacted>
Signed-off-by: Sathya Perla <redacted>
---
 drivers/net/ethernet/emulex/benet/be_cmds.h | 1 +
 drivers/net/ethernet/emulex/benet/be_main.c | 6 +++---
 2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h
index 2716e6f..f0a92b7 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.h
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.h
@@ -1758,6 +1758,7 @@ struct be_cmd_req_set_mac_list {
 /*********************** HSW Config ***********************/
 #define PORT_FWD_TYPE_VEPA		0x3
 #define PORT_FWD_TYPE_VEB		0x2
+#define PORT_FWD_TYPE_PASSTHRU		0x1
 
 #define ENABLE_MAC_SPOOFCHK		0x2
 #define DISABLE_MAC_SPOOFCHK		0x3
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 635c62f..f21c56a 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -5073,9 +5073,6 @@ static int be_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
 	int status = 0;
 	u8 hsw_mode;
 
-	if (!sriov_enabled(adapter))
-		return 0;
-
 	/* BE and Lancer chips support VEB mode only */
 	if (BEx_chip(adapter) || lancer_chip(adapter)) {
 		hsw_mode = PORT_FWD_TYPE_VEB;
@@ -5085,6 +5082,9 @@ static int be_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
 					       NULL);
 		if (status)
 			return 0;
+
+		if (hsw_mode == PORT_FWD_TYPE_PASSTHRU)
+			return 0;
 	}
 
 	return ndo_dflt_bridge_getlink(skb, pid, seq, dev,
-- 
2.4.1
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