5 files changed, 82 insertions, 23 deletions

diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 19e94ee155a2..79c35ae3718c 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -204,14 +204,17 @@ enum ixgbe_ring_f_enum {
 #define IXGBE_MAX_FDIR_INDICES 64
 #ifdef IXGBE_FCOE
 #define IXGBE_MAX_FCOE_INDICES  8
+#define MAX_RX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES)
+#define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES)
+#else
+#define MAX_RX_QUEUES IXGBE_MAX_FDIR_INDICES
+#define MAX_TX_QUEUES IXGBE_MAX_FDIR_INDICES
 #endif /* IXGBE_FCOE */
 struct ixgbe_ring_feature {
         int indices;
         int mask;
 } ____cacheline_internodealigned_in_smp;
 
-#define MAX_RX_QUEUES 128
-#define MAX_TX_QUEUES 128
 
 #define MAX_RX_PACKET_BUFFERS ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) \
                               ? 8 : 1)
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 7949a446e4c7..1959ef76c962 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -1853,6 +1853,26 @@ static void ixgbe_diag_test(struct net_device *netdev,
                 if (ixgbe_link_test(adapter, &data[4]))
                         eth_test->flags |= ETH_TEST_FL_FAILED;
 
+                if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
+                        int i;
+                        for (i = 0; i < adapter->num_vfs; i++) {
+                                if (adapter->vfinfo[i].clear_to_send) {
+                                        netdev_warn(netdev, "%s",
+                                                    "offline diagnostic is not "
+                                                    "supported when VFs are "
+                                                    "present\n");
+                                        data[0] = 1;
+                                        data[1] = 1;
+                                        data[2] = 1;
+                                        data[3] = 1;
+                                        eth_test->flags |= ETH_TEST_FL_FAILED;
+                                        clear_bit(__IXGBE_TESTING,
+                                                  &adapter->state);
+                                        goto skip_ol_tests;
+                                }
+                        }
+                }
+
                 if (if_running)
                         /* indicate we're in test mode */
                         dev_close(netdev);
@@ -1908,6 +1928,7 @@ skip_loopback:
 
                 clear_bit(__IXGBE_TESTING, &adapter->state);
         }
+skip_ol_tests:
         msleep_interruptible(4 * 1000);
 }
 
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c
index 700cfc0aa1b9..9276d5965b0d 100644
--- a/drivers/net/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ixgbe/ixgbe_fcoe.c
@@ -202,6 +202,15 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
                 addr = sg_dma_address(sg);
                 len = sg_dma_len(sg);
                 while (len) {
+                        /* max number of buffers allowed in one DDP context */
+                        if (j >= IXGBE_BUFFCNT_MAX) {
+                                netif_err(adapter, drv, adapter->netdev,
+                                          "xid=%x:%d,%d,%d:addr=%llx "
+                                          "not enough descriptors\n",
+                                          xid, i, j, dmacount, (u64)addr);
+                                goto out_noddp_free;
+                        }
+
                         /* get the offset of length of current buffer */
                         thisoff = addr & ((dma_addr_t)bufflen - 1);
                         thislen = min((bufflen - thisoff), len);
@@ -227,20 +236,13 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
                         len -= thislen;
                         addr += thislen;
                         j++;
-                        /* max number of buffers allowed in one DDP context */
-                        if (j > IXGBE_BUFFCNT_MAX) {
-                                DPRINTK(DRV, ERR, "xid=%x:%d,%d,%d:addr=%llx "
-                                        "not enough descriptors\n",
-                                        xid, i, j, dmacount, (u64)addr);
-                                goto out_noddp_free;
-                        }
                 }
         }
         /* only the last buffer may have non-full bufflen */
         lastsize = thisoff + thislen;
 
         fcbuff = (IXGBE_FCBUFF_4KB << IXGBE_FCBUFF_BUFFSIZE_SHIFT);
-        fcbuff |= (j << IXGBE_FCBUFF_BUFFCNT_SHIFT);
+        fcbuff |= ((j & 0xff) << IXGBE_FCBUFF_BUFFCNT_SHIFT);
         fcbuff |= (firstoff << IXGBE_FCBUFF_OFFSET_SHIFT);
         fcbuff |= (IXGBE_FCBUFF_VALID);
 
@@ -520,6 +522,9 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter)
         /* Enable L2 eth type filter for FCoE */
         IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_FCOE),
                         (ETH_P_FCOE | IXGBE_ETQF_FCOE | IXGBE_ETQF_FILTER_EN));
+        /* Enable L2 eth type filter for FIP */
+        IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_FIP),
+                        (ETH_P_FIP | IXGBE_ETQF_FILTER_EN));
         if (adapter->ring_feature[RING_F_FCOE].indices) {
                 /* Use multiple rx queues for FCoE by redirection table */
                 for (i = 0; i < IXGBE_FCRETA_SIZE; i++) {
@@ -530,6 +535,12 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter)
                 }
                 IXGBE_WRITE_REG(hw, IXGBE_FCRECTL, IXGBE_FCRECTL_ENA);
                 IXGBE_WRITE_REG(hw, IXGBE_ETQS(IXGBE_ETQF_FILTER_FCOE), 0);
+                fcoe_i = f->mask;
+                fcoe_i &= IXGBE_FCRETA_ENTRY_MASK;
+                fcoe_q = adapter->rx_ring[fcoe_i]->reg_idx;
+                IXGBE_WRITE_REG(hw, IXGBE_ETQS(IXGBE_ETQF_FILTER_FIP),
+                                IXGBE_ETQS_QUEUE_EN |
+                                (fcoe_q << IXGBE_ETQS_RX_QUEUE_SHIFT));
         } else  {
                 /* Use single rx queue for FCoE */
                 fcoe_i = f->mask;
@@ -539,6 +550,12 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter)
                                 IXGBE_ETQS_QUEUE_EN |
                                 (fcoe_q << IXGBE_ETQS_RX_QUEUE_SHIFT));
         }
+        /* send FIP frames to the first FCoE queue */
+        fcoe_i = f->mask;
+        fcoe_q = adapter->rx_ring[fcoe_i]->reg_idx;
+        IXGBE_WRITE_REG(hw, IXGBE_ETQS(IXGBE_ETQF_FILTER_FIP),
+                        IXGBE_ETQS_QUEUE_EN |
+                        (fcoe_q << IXGBE_ETQS_RX_QUEUE_SHIFT));
 
         IXGBE_WRITE_REG(hw, IXGBE_FCRXCTRL,
                         IXGBE_FCRXCTRL_FCOELLI |
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 6effa2ca157d..7216db218442 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -3036,6 +3036,14 @@ void ixgbe_reinit_locked(struct ixgbe_adapter *adapter)
         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
                 msleep(1);
         ixgbe_down(adapter);
+        /*
+         * If SR-IOV enabled then wait a bit before bringing the adapter
+         * back up to give the VFs time to respond to the reset.  The
+         * two second wait is based upon the watchdog timer cycle in
+         * the VF driver.
+         */
+        if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
+                msleep(2000);
         ixgbe_up(adapter);
         clear_bit(__IXGBE_RESETTING, &adapter->state);
 }
@@ -3216,13 +3224,15 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
 
         /* disable receive for all VFs and wait one second */
         if (adapter->num_vfs) {
-                for (i = 0 ; i < adapter->num_vfs; i++)
-                        adapter->vfinfo[i].clear_to_send = 0;
-
                 /* ping all the active vfs to let them know we are going down */
                 ixgbe_ping_all_vfs(adapter);
+
                 /* Disable all VFTE/VFRE TX/RX */
                 ixgbe_disable_tx_rx(adapter);
+
+                /* Mark all the VFs as inactive */
+                for (i = 0 ; i < adapter->num_vfs; i++)
+                        adapter->vfinfo[i].clear_to_send = 0;
         }
 
         /* disable receives */
@@ -5618,7 +5628,8 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb)
 
 #ifdef IXGBE_FCOE
         if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) &&
-            (skb->protocol == htons(ETH_P_FCOE))) {
+            ((skb->protocol == htons(ETH_P_FCOE)) ||
+             (skb->protocol == htons(ETH_P_FIP)))) {
                 txq &= (adapter->ring_feature[RING_F_FCOE].indices - 1);
                 txq += adapter->ring_feature[RING_F_FCOE].mask;
                 return txq;
@@ -5665,18 +5676,25 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
 
         tx_ring = adapter->tx_ring[skb->queue_mapping];
 
-        if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) &&
-            (skb->protocol == htons(ETH_P_FCOE))) {
-                tx_flags |= IXGBE_TX_FLAGS_FCOE;
 #ifdef IXGBE_FCOE
+        if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
 #ifdef CONFIG_IXGBE_DCB
-                tx_flags &= ~(IXGBE_TX_FLAGS_VLAN_PRIO_MASK
-                              << IXGBE_TX_FLAGS_VLAN_SHIFT);
-                tx_flags |= ((adapter->fcoe.up << 13)
-                              << IXGBE_TX_FLAGS_VLAN_SHIFT);
-#endif
+                /* for FCoE with DCB, we force the priority to what
+                 * was specified by the switch */
+                if ((skb->protocol == htons(ETH_P_FCOE)) ||
+                    (skb->protocol == htons(ETH_P_FIP))) {
+                        tx_flags &= ~(IXGBE_TX_FLAGS_VLAN_PRIO_MASK
+                                      << IXGBE_TX_FLAGS_VLAN_SHIFT);
+                        tx_flags |= ((adapter->fcoe.up << 13)
+                                     << IXGBE_TX_FLAGS_VLAN_SHIFT);
+                }
 #endif
+                /* flag for FCoE offloads */
+                if (skb->protocol == htons(ETH_P_FCOE))
+                        tx_flags |= IXGBE_TX_FLAGS_FCOE;
         }
+#endif
+
         /* four things can cause us to need a context descriptor */
         if (skb_is_gso(skb) ||
             (skb->ip_summed == CHECKSUM_PARTIAL) ||
@@ -6031,7 +6049,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
         indices += min_t(unsigned int, num_possible_cpus(),
                          IXGBE_MAX_FCOE_INDICES);
 #endif
-        indices = min_t(unsigned int, indices, MAX_TX_QUEUES);
         netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), indices);
         if (!netdev) {
                 err = -ENOMEM;
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index c574d0a68f2a..aed4ed665648 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -1298,6 +1298,7 @@
 #define IXGBE_ETQF_FILTER_BCN            1
 #define IXGBE_ETQF_FILTER_FCOE           2
 #define IXGBE_ETQF_FILTER_1588           3
+#define IXGBE_ETQF_FILTER_FIP            4
 /* VLAN Control Bit Masks */
 #define IXGBE_VLNCTRL_VET       0x0000FFFF  /* bits 0-15 */
 #define IXGBE_VLNCTRL_CFI       0x10000000  /* bit 28 */