bnx2x: new Multi-function mode - BD

This adds support to a new multi-function mode, enabling driver to
initialize such devices and correctly interacting with management FW
for fully utilizing their features.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 71 insertions, 3 deletions

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index e395ae994307..b1d16d34551d 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -2517,6 +2517,20 @@ static void bnx2x_bz_fp(struct bnx2x *bp, int index)
 		fp->mode = TPA_MODE_DISABLED;
 }
 
+void bnx2x_set_os_driver_state(struct bnx2x *bp, u32 state)
+{
+	u32 cur;
+
+	if (!IS_MF_BD(bp) || !SHMEM2_HAS(bp, os_driver_state) || IS_VF(bp))
+		return;
+
+	cur = SHMEM2_RD(bp, os_driver_state[BP_FW_MB_IDX(bp)]);
+	DP(NETIF_MSG_IFUP, "Driver state %08x-->%08x\n",
+	   cur, state);
+
+	SHMEM2_WR(bp, os_driver_state[BP_FW_MB_IDX(bp)], state);
+}
+
 int bnx2x_load_cnic(struct bnx2x *bp)
 {
 	int i, rc, port = BP_PORT(bp);
@@ -2880,6 +2894,8 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 		/* mark driver is loaded in shmem2 */
 		u32 val;
 		val = SHMEM2_RD(bp, drv_capabilities_flag[BP_FW_MB_IDX(bp)]);
+		val &= ~DRV_FLAGS_MTU_MASK;
+		val |= (bp->dev->mtu << DRV_FLAGS_MTU_SHIFT);
 		SHMEM2_WR(bp, drv_capabilities_flag[BP_FW_MB_IDX(bp)],
 			  val | DRV_FLAGS_CAPABILITIES_LOADED_SUPPORTED |
 			  DRV_FLAGS_CAPABILITIES_LOADED_L2);
@@ -2896,6 +2912,9 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 	if (bp->port.pmf && (bp->state != BNX2X_STATE_DIAG))
 		bnx2x_dcbx_init(bp, false);
 
+	if (!IS_MF_SD_STORAGE_PERSONALITY_ONLY(bp))
+		bnx2x_set_os_driver_state(bp, OS_DRIVER_STATE_ACTIVE);
+
 	DP(NETIF_MSG_IFUP, "Ending successfully NIC load\n");
 
 	return 0;
@@ -2963,6 +2982,9 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link)
 
 	DP(NETIF_MSG_IFUP, "Starting NIC unload\n");
 
+	if (!IS_MF_SD_STORAGE_PERSONALITY_ONLY(bp))
+		bnx2x_set_os_driver_state(bp, OS_DRIVER_STATE_DISABLED);
+
 	/* mark driver is unloaded in shmem2 */
 	if (IS_PF(bp) && SHMEM2_HAS(bp, drv_capabilities_flag)) {
 		u32 val;
@@ -4191,6 +4213,41 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	return NETDEV_TX_OK;
 }
 
+void bnx2x_get_c2s_mapping(struct bnx2x *bp, u8 *c2s_map, u8 *c2s_default)
+{
+	int mfw_vn = BP_FW_MB_IDX(bp);
+	u32 tmp;
+
+	/* If the shmem shouldn't affect configuration, reflect */
+	if (!IS_MF_BD(bp)) {
+		int i;
+
+		for (i = 0; i < BNX2X_MAX_PRIORITY; i++)
+			c2s_map[i] = i;
+		*c2s_default = 0;
+
+		return;
+	}
+
+	tmp = SHMEM2_RD(bp, c2s_pcp_map_lower[mfw_vn]);
+	tmp = (__force u32)be32_to_cpu((__force __be32)tmp);
+	c2s_map[0] = tmp & 0xff;
+	c2s_map[1] = (tmp >> 8) & 0xff;
+	c2s_map[2] = (tmp >> 16) & 0xff;
+	c2s_map[3] = (tmp >> 24) & 0xff;
+
+	tmp = SHMEM2_RD(bp, c2s_pcp_map_upper[mfw_vn]);
+	tmp = (__force u32)be32_to_cpu((__force __be32)tmp);
+	c2s_map[4] = tmp & 0xff;
+	c2s_map[5] = (tmp >> 8) & 0xff;
+	c2s_map[6] = (tmp >> 16) & 0xff;
+	c2s_map[7] = (tmp >> 24) & 0xff;
+
+	tmp = SHMEM2_RD(bp, c2s_pcp_map_default[mfw_vn]);
+	tmp = (__force u32)be32_to_cpu((__force __be32)tmp);
+	*c2s_default = (tmp >> (8 * mfw_vn)) & 0xff;
+}
+
 /**
  * bnx2x_setup_tc - routine to configure net_device for multi tc
  *
@@ -4201,8 +4258,9 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
  */
 int bnx2x_setup_tc(struct net_device *dev, u8 num_tc)
 {
-	int cos, prio, count, offset;
 	struct bnx2x *bp = netdev_priv(dev);
+	u8 c2s_map[BNX2X_MAX_PRIORITY], c2s_def;
+	int cos, prio, count, offset;
 
 	/* setup tc must be called under rtnl lock */
 	ASSERT_RTNL();
@@ -4226,12 +4284,16 @@ int bnx2x_setup_tc(struct net_device *dev, u8 num_tc)
 		return -EINVAL;
 	}
 
+	bnx2x_get_c2s_mapping(bp, c2s_map, &c2s_def);
+
 	/* configure priority to traffic class mapping */
 	for (prio = 0; prio < BNX2X_MAX_PRIORITY; prio++) {
-		netdev_set_prio_tc_map(dev, prio, bp->prio_to_cos[prio]);
+		int outer_prio = c2s_map[prio];
+
+		netdev_set_prio_tc_map(dev, prio, bp->prio_to_cos[outer_prio]);
 		DP(BNX2X_MSG_SP | NETIF_MSG_IFUP,
 		   "mapping priority %d to tc %d\n",
-		   prio, bp->prio_to_cos[prio]);
+		   outer_prio, bp->prio_to_cos[outer_prio]);
 	}
 
 	/* Use this configuration to differentiate tc0 from other COSes
@@ -4285,6 +4347,9 @@ int bnx2x_change_mac_addr(struct net_device *dev, void *p)
 	if (netif_running(dev))
 		rc = bnx2x_set_eth_mac(bp, true);
 
+	if (IS_PF(bp) && SHMEM2_HAS(bp, curr_cfg))
+		SHMEM2_WR(bp, curr_cfg, CURR_CFG_MET_OS);
+
 	return rc;
 }
 
@@ -4838,6 +4903,9 @@ int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
 	 */
 	dev->mtu = new_mtu;
 
+	if (IS_PF(bp) && SHMEM2_HAS(bp, curr_cfg))
+		SHMEM2_WR(bp, curr_cfg, CURR_CFG_MET_OS);
+
 	return bnx2x_reload_if_running(dev);
 }