myri10ge: add multislices support

Add multi-slice/MSI-X support. By default, a single slice
(and the normal firmware) are used.  To enable msi-x, multi-slice
mode, one must load the driver with myri10ge_max_slices set to
either -1, or something larger than 1.

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Andrew Gallatin <gallatin@myri.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 442 insertions, 242 deletions

diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index f3ef9e3c48cd..eddcee326f06 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -185,11 +185,13 @@ struct myri10ge_slice_state {
         dma_addr_t fw_stats_bus;
         int watchdog_tx_done;
         int watchdog_tx_req;
+        char irq_desc[32];
 };
 
 struct myri10ge_priv {
-        struct myri10ge_slice_state ss;
+        struct myri10ge_slice_state *ss;
         int tx_boundary;        /* boundary transmits cannot cross */
+        int num_slices;
         int running;            /* running?             */
         int csum_flag;          /* rx_csums?            */
         int small_bytes;
@@ -208,6 +210,8 @@ struct myri10ge_priv {
         dma_addr_t cmd_bus;
         struct pci_dev *pdev;
         int msi_enabled;
+        int msix_enabled;
+        struct msix_entry *msix_vectors;
         u32 link_state;
         unsigned int rdma_tags_available;
         int intr_coal_delay;
@@ -244,6 +248,8 @@ struct myri10ge_priv {
 
 static char *myri10ge_fw_unaligned = "myri10ge_ethp_z8e.dat";
 static char *myri10ge_fw_aligned = "myri10ge_eth_z8e.dat";
+static char *myri10ge_fw_rss_unaligned = "myri10ge_rss_ethp_z8e.dat";
+static char *myri10ge_fw_rss_aligned = "myri10ge_rss_eth_z8e.dat";
 
 static char *myri10ge_fw_name = NULL;
 module_param(myri10ge_fw_name, charp, S_IRUGO | S_IWUSR);
@@ -321,6 +327,14 @@ static int myri10ge_wcfifo = 0;
 module_param(myri10ge_wcfifo, int, S_IRUGO);
 MODULE_PARM_DESC(myri10ge_wcfifo, "Enable WC Fifo when WC is enabled");
 
+static int myri10ge_max_slices = 1;
+module_param(myri10ge_max_slices, int, S_IRUGO);
+MODULE_PARM_DESC(myri10ge_max_slices, "Max tx/rx queues");
+
+static int myri10ge_rss_hash = MXGEFW_RSS_HASH_TYPE_SRC_PORT;
+module_param(myri10ge_rss_hash, int, S_IRUGO);
+MODULE_PARM_DESC(myri10ge_rss_hash, "Type of RSS hashing to do");
+
 #define MYRI10GE_FW_OFFSET 1024*1024
 #define MYRI10GE_HIGHPART_TO_U32(X) \
 (sizeof (X) == 8) ? ((u32)((u64)(X) >> 32)) : (0)
@@ -657,7 +671,7 @@ static int myri10ge_get_firmware_capabilities(struct myri10ge_priv *mgp)
         return 0;
 }
 
-static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
+static int myri10ge_load_firmware(struct myri10ge_priv *mgp, int adopt)
 {
         char __iomem *submit;
         __be32 buf[16] __attribute__ ((__aligned__(8)));
@@ -667,6 +681,8 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
         size = 0;
         status = myri10ge_load_hotplug_firmware(mgp, &size);
         if (status) {
+                if (!adopt)
+                        return status;
                 dev_warn(&mgp->pdev->dev, "hotplug firmware loading failed\n");
 
                 /* Do not attempt to adopt firmware if there
@@ -859,7 +875,8 @@ abort:
 static int myri10ge_reset(struct myri10ge_priv *mgp)
 {
         struct myri10ge_cmd cmd;
-        int status;
+        struct myri10ge_slice_state *ss;
+        int i, status;
         size_t bytes;
 
         /* try to send a reset command to the card to see if it
@@ -872,20 +889,74 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
         }
 
         (void)myri10ge_dma_test(mgp, MXGEFW_DMA_TEST);
+        /*
+         * Use non-ndis mcp_slot (eg, 4 bytes total,
+         * no toeplitz hash value returned.  Older firmware will
+         * not understand this command, but will use the correct
+         * sized mcp_slot, so we ignore error returns
+         */
+        cmd.data0 = MXGEFW_RSS_MCP_SLOT_TYPE_MIN;
+        (void)myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_RSS_MCP_SLOT_TYPE, &cmd, 0);
 
         /* Now exchange information about interrupts  */
 
-        bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
-        memset(mgp->ss.rx_done.entry, 0, bytes);
+        bytes = mgp->max_intr_slots * sizeof(*mgp->ss[0].rx_done.entry);
         cmd.data0 = (u32) bytes;
         status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_SIZE, &cmd, 0);
-        cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->ss.rx_done.bus);
-        cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->ss.rx_done.bus);
-        status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_DMA, &cmd, 0);
+
+        /*
+         * Even though we already know how many slices are supported
+         * via myri10ge_probe_slices() MXGEFW_CMD_GET_MAX_RSS_QUEUES
+         * has magic side effects, and must be called after a reset.
+         * It must be called prior to calling any RSS related cmds,
+         * including assigning an interrupt queue for anything but
+         * slice 0.  It must also be called *after*
+         * MXGEFW_CMD_SET_INTRQ_SIZE, since the intrq size is used by
+         * the firmware to compute offsets.
+         */
+
+        if (mgp->num_slices > 1) {
+
+                /* ask the maximum number of slices it supports */
+                status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_MAX_RSS_QUEUES,
+                                           &cmd, 0);
+                if (status != 0) {
+                        dev_err(&mgp->pdev->dev,
+                                "failed to get number of slices\n");
+                }
+
+                /*
+                 * MXGEFW_CMD_ENABLE_RSS_QUEUES must be called prior
+                 * to setting up the interrupt queue DMA
+                 */
+
+                cmd.data0 = mgp->num_slices;
+                cmd.data1 = 1;  /* use MSI-X */
+                status = myri10ge_send_cmd(mgp, MXGEFW_CMD_ENABLE_RSS_QUEUES,
+                                           &cmd, 0);
+                if (status != 0) {
+                        dev_err(&mgp->pdev->dev,
+                                "failed to set number of slices\n");
+
+                        return status;
+                }
+        }
+        for (i = 0; i < mgp->num_slices; i++) {
+                ss = &mgp->ss[i];
+                cmd.data0 = MYRI10GE_LOWPART_TO_U32(ss->rx_done.bus);
+                cmd.data1 = MYRI10GE_HIGHPART_TO_U32(ss->rx_done.bus);
+                cmd.data2 = i;
+                status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_DMA,
+                                            &cmd, 0);
+        };
 
         status |=
             myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_ACK_OFFSET, &cmd, 0);
-        mgp->ss.irq_claim = (__iomem __be32 *) (mgp->sram + cmd.data0);
+        for (i = 0; i < mgp->num_slices; i++) {
+                ss = &mgp->ss[i];
+                ss->irq_claim =
+                    (__iomem __be32 *) (mgp->sram + cmd.data0 + 8 * i);
+        }
         status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET,
                                     &cmd, 0);
         mgp->irq_deassert = (__iomem __be32 *) (mgp->sram + cmd.data0);
@@ -899,18 +970,25 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
         }
         put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
 
-        memset(mgp->ss.rx_done.entry, 0, bytes);
-
         /* reset mcp/driver shared state back to 0 */
-        mgp->ss.tx.req = 0;
-        mgp->ss.tx.done = 0;
-        mgp->ss.tx.pkt_start = 0;
-        mgp->ss.tx.pkt_done = 0;
-        mgp->ss.rx_big.cnt = 0;
-        mgp->ss.rx_small.cnt = 0;
-        mgp->ss.rx_done.idx = 0;
-        mgp->ss.rx_done.cnt = 0;
+
         mgp->link_changes = 0;
+        for (i = 0; i < mgp->num_slices; i++) {
+                ss = &mgp->ss[i];
+
+                memset(ss->rx_done.entry, 0, bytes);
+                ss->tx.req = 0;
+                ss->tx.done = 0;
+                ss->tx.pkt_start = 0;
+                ss->tx.pkt_done = 0;
+                ss->rx_big.cnt = 0;
+                ss->rx_small.cnt = 0;
+                ss->rx_done.idx = 0;
+                ss->rx_done.cnt = 0;
+                ss->tx.wake_queue = 0;
+                ss->tx.stop_queue = 0;
+        }
+
         status = myri10ge_update_mac_address(mgp, mgp->dev->dev_addr);
         myri10ge_change_pause(mgp, mgp->pause);
         myri10ge_set_multicast_list(mgp->dev);
@@ -1095,9 +1173,10 @@ myri10ge_rx_done(struct myri10ge_slice_state *ss, struct myri10ge_rx_buf *rx,
                 rx_frags[0].size -= MXGEFW_PAD;
                 len -= MXGEFW_PAD;
                 lro_receive_frags(&ss->rx_done.lro_mgr, rx_frags,
-                                  len, len,
                                   /* opaque, will come back in get_frag_header */
+                                  len, len,
                                   (void *)(__force unsigned long)csum, csum);
+
                 return 1;
         }
 
@@ -1236,7 +1315,7 @@ myri10ge_clean_rx_done(struct myri10ge_slice_state *ss, int budget)
 
 static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp)
 {
-        struct mcp_irq_data *stats = mgp->ss.fw_stats;
+        struct mcp_irq_data *stats = mgp->ss[0].fw_stats;
 
         if (unlikely(stats->stats_updated)) {
                 unsigned link_up = ntohl(stats->link_up);
@@ -1302,6 +1381,13 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
         u32 send_done_count;
         int i;
 
+        /* an interrupt on a non-zero slice is implicitly valid
+         * since MSI-X irqs are not shared */
+        if (ss != mgp->ss) {
+                netif_rx_schedule(ss->dev, &ss->napi);
+                return (IRQ_HANDLED);
+        }
+
         /* make sure it is our IRQ, and that the DMA has finished */
         if (unlikely(!stats->valid))
                 return (IRQ_NONE);
@@ -1311,7 +1397,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
         if (stats->valid & 1)
                 netif_rx_schedule(ss->dev, &ss->napi);
 
-        if (!mgp->msi_enabled) {
+        if (!mgp->msi_enabled && !mgp->msix_enabled) {
                 put_be32(0, mgp->irq_deassert);
                 if (!myri10ge_deassert_wait)
                         stats->valid = 0;
@@ -1446,10 +1532,10 @@ myri10ge_get_ringparam(struct net_device *netdev,
 {
         struct myri10ge_priv *mgp = netdev_priv(netdev);
 
-        ring->rx_mini_max_pending = mgp->ss.rx_small.mask + 1;
-        ring->rx_max_pending = mgp->ss.rx_big.mask + 1;
+        ring->rx_mini_max_pending = mgp->ss[0].rx_small.mask + 1;
+        ring->rx_max_pending = mgp->ss[0].rx_big.mask + 1;
         ring->rx_jumbo_max_pending = 0;
-        ring->tx_max_pending = mgp->ss.rx_small.mask + 1;
+        ring->tx_max_pending = mgp->ss[0].rx_small.mask + 1;
         ring->rx_mini_pending = ring->rx_mini_max_pending;
         ring->rx_pending = ring->rx_max_pending;
         ring->rx_jumbo_pending = ring->rx_jumbo_max_pending;
@@ -1497,7 +1583,7 @@ static const char myri10ge_gstrings_main_stats[][ETH_GSTRING_LEN] = {
         "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
         "tx_heartbeat_errors", "tx_window_errors",
         /* device-specific stats */
-        "tx_boundary", "WC", "irq", "MSI",
+        "tx_boundary", "WC", "irq", "MSI", "MSIX",
         "read_dma_bw_MBs", "write_dma_bw_MBs", "read_write_dma_bw_MBs",
         "serial_number", "watchdog_resets",
         "link_changes", "link_up", "dropped_link_overflow",
@@ -1524,23 +1610,31 @@ static const char myri10ge_gstrings_slice_stats[][ETH_GSTRING_LEN] = {
 static void
 myri10ge_get_strings(struct net_device *netdev, u32 stringset, u8 * data)
 {
+        struct myri10ge_priv *mgp = netdev_priv(netdev);
+        int i;
+
         switch (stringset) {
         case ETH_SS_STATS:
                 memcpy(data, *myri10ge_gstrings_main_stats,
                        sizeof(myri10ge_gstrings_main_stats));
                 data += sizeof(myri10ge_gstrings_main_stats);
-                memcpy(data, *myri10ge_gstrings_slice_stats,
-                       sizeof(myri10ge_gstrings_slice_stats));
-                data += sizeof(myri10ge_gstrings_slice_stats);
+                for (i = 0; i < mgp->num_slices; i++) {
+                        memcpy(data, *myri10ge_gstrings_slice_stats,
+                               sizeof(myri10ge_gstrings_slice_stats));
+                        data += sizeof(myri10ge_gstrings_slice_stats);
+                }
                 break;
         }
 }
 
 static int myri10ge_get_sset_count(struct net_device *netdev, int sset)
 {
+        struct myri10ge_priv *mgp = netdev_priv(netdev);
+
         switch (sset) {
         case ETH_SS_STATS:
-                return MYRI10GE_MAIN_STATS_LEN + MYRI10GE_SLICE_STATS_LEN;
+                return MYRI10GE_MAIN_STATS_LEN +
+                    mgp->num_slices * MYRI10GE_SLICE_STATS_LEN;
         default:
                 return -EOPNOTSUPP;
         }
@@ -1552,6 +1646,7 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
 {
         struct myri10ge_priv *mgp = netdev_priv(netdev);
         struct myri10ge_slice_state *ss;
+        int slice;
         int i;
 
         for (i = 0; i < MYRI10GE_NET_STATS_LEN; i++)
@@ -1561,6 +1656,7 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
         data[i++] = (unsigned int)mgp->wc_enabled;
         data[i++] = (unsigned int)mgp->pdev->irq;
         data[i++] = (unsigned int)mgp->msi_enabled;
+        data[i++] = (unsigned int)mgp->msix_enabled;
         data[i++] = (unsigned int)mgp->read_dma;
         data[i++] = (unsigned int)mgp->write_dma;
         data[i++] = (unsigned int)mgp->read_write_dma;
@@ -1569,7 +1665,7 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
         data[i++] = (unsigned int)mgp->link_changes;
 
         /* firmware stats are useful only in the first slice */
-        ss = &mgp->ss;
+        ss = &mgp->ss[0];
         data[i++] = (unsigned int)ntohl(ss->fw_stats->link_up);
         data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_link_overflow);
         data[i++] =
@@ -1585,24 +1681,27 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
         data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_no_small_buffer);
         data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_no_big_buffer);
 
-        data[i++] = 0;
-        data[i++] = (unsigned int)ss->tx.pkt_start;
-        data[i++] = (unsigned int)ss->tx.pkt_done;
-        data[i++] = (unsigned int)ss->tx.req;
-        data[i++] = (unsigned int)ss->tx.done;
-        data[i++] = (unsigned int)ss->rx_small.cnt;
-        data[i++] = (unsigned int)ss->rx_big.cnt;
-        data[i++] = (unsigned int)ss->tx.wake_queue;
-        data[i++] = (unsigned int)ss->tx.stop_queue;
-        data[i++] = (unsigned int)ss->tx.linearized;
-        data[i++] = ss->rx_done.lro_mgr.stats.aggregated;
-        data[i++] = ss->rx_done.lro_mgr.stats.flushed;
-        if (ss->rx_done.lro_mgr.stats.flushed)
-                data[i++] = ss->rx_done.lro_mgr.stats.aggregated /
-                    ss->rx_done.lro_mgr.stats.flushed;
-        else
-                data[i++] = 0;
-        data[i++] = ss->rx_done.lro_mgr.stats.no_desc;
+        for (slice = 0; slice < mgp->num_slices; slice++) {
+                ss = &mgp->ss[slice];
+                data[i++] = slice;
+                data[i++] = (unsigned int)ss->tx.pkt_start;
+                data[i++] = (unsigned int)ss->tx.pkt_done;
+                data[i++] = (unsigned int)ss->tx.req;
+                data[i++] = (unsigned int)ss->tx.done;
+                data[i++] = (unsigned int)ss->rx_small.cnt;
+                data[i++] = (unsigned int)ss->rx_big.cnt;
+                data[i++] = (unsigned int)ss->tx.wake_queue;
+                data[i++] = (unsigned int)ss->tx.stop_queue;
+                data[i++] = (unsigned int)ss->tx.linearized;
+                data[i++] = ss->rx_done.lro_mgr.stats.aggregated;
+                data[i++] = ss->rx_done.lro_mgr.stats.flushed;
+                if (ss->rx_done.lro_mgr.stats.flushed)
+                        data[i++] = ss->rx_done.lro_mgr.stats.aggregated /
+                            ss->rx_done.lro_mgr.stats.flushed;
+                else
+                        data[i++] = 0;
+                data[i++] = ss->rx_done.lro_mgr.stats.no_desc;
+        }
 }
 
 static void myri10ge_set_msglevel(struct net_device *netdev, u32 value)
@@ -1645,12 +1744,15 @@ static int myri10ge_allocate_rings(struct myri10ge_slice_state *ss)
         struct net_device *dev = mgp->dev;
         int tx_ring_size, rx_ring_size;
         int tx_ring_entries, rx_ring_entries;
-        int i, status;
+        int i, slice, status;
         size_t bytes;
 
         /* get ring sizes */
+        slice = ss - mgp->ss;
+        cmd.data0 = slice;
         status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_RING_SIZE, &cmd, 0);
         tx_ring_size = cmd.data0;
+        cmd.data0 = slice;
         status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0);
         if (status != 0)
                 return status;
@@ -1715,15 +1817,17 @@ static int myri10ge_allocate_rings(struct myri10ge_slice_state *ss)
                                 mgp->small_bytes + MXGEFW_PAD, 0);
 
         if (ss->rx_small.fill_cnt < ss->rx_small.mask + 1) {
-                printk(KERN_ERR "myri10ge: %s: alloced only %d small bufs\n",
-                       dev->name, ss->rx_small.fill_cnt);
+                printk(KERN_ERR
+                       "myri10ge: %s:slice-%d: alloced only %d small bufs\n",
+                       dev->name, slice, ss->rx_small.fill_cnt);
                 goto abort_with_rx_small_ring;
         }
 
         myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 0);
         if (ss->rx_big.fill_cnt < ss->rx_big.mask + 1) {
-                printk(KERN_ERR "myri10ge: %s: alloced only %d big bufs\n",
-                       dev->name, ss->rx_big.fill_cnt);
+                printk(KERN_ERR
+                       "myri10ge: %s:slice-%d: alloced only %d big bufs\n",
+                       dev->name, slice, ss->rx_big.fill_cnt);
                 goto abort_with_rx_big_ring;
         }
 
@@ -1775,6 +1879,10 @@ static void myri10ge_free_rings(struct myri10ge_slice_state *ss)
         struct myri10ge_tx_buf *tx;
         int i, len, idx;
 
+        /* If not allocated, skip it */
+        if (ss->tx.req_list == NULL)
+                return;
+
         for (i = ss->rx_big.cnt; i < ss->rx_big.fill_cnt; i++) {
                 idx = i & ss->rx_big.mask;
                 if (i == ss->rx_big.fill_cnt - 1)
@@ -1837,25 +1945,67 @@ static void myri10ge_free_rings(struct myri10ge_slice_state *ss)
 static int myri10ge_request_irq(struct myri10ge_priv *mgp)
 {
         struct pci_dev *pdev = mgp->pdev;
+        struct myri10ge_slice_state *ss;
+        struct net_device *netdev = mgp->dev;
+        int i;
         int status;
 
+        mgp->msi_enabled = 0;
+        mgp->msix_enabled = 0;
+        status = 0;
         if (myri10ge_msi) {
-                status = pci_enable_msi(pdev);
-                if (status != 0)
-                        dev_err(&pdev->dev,
-                                "Error %d setting up MSI; falling back to xPIC\n",
-                                status);
-                else
-                        mgp->msi_enabled = 1;
-        } else {
-                mgp->msi_enabled = 0;
+                if (mgp->num_slices > 1) {
+                        status =
+                            pci_enable_msix(pdev, mgp->msix_vectors,
+                                            mgp->num_slices);
+                        if (status == 0) {
+                                mgp->msix_enabled = 1;
+                        } else {
+                                dev_err(&pdev->dev,
+                                        "Error %d setting up MSI-X\n", status);
+                                return status;
+                        }
+                }
+                if (mgp->msix_enabled == 0) {
+                        status = pci_enable_msi(pdev);
+                        if (status != 0) {
+                                dev_err(&pdev->dev,
+                                        "Error %d setting up MSI; falling back to xPIC\n",
+                                        status);
+                        } else {
+                                mgp->msi_enabled = 1;
+                        }
+                }
         }
-        status = request_irq(pdev->irq, myri10ge_intr, IRQF_SHARED,
-                             mgp->dev->name, mgp);
-        if (status != 0) {
-                dev_err(&pdev->dev, "failed to allocate IRQ\n");
-                if (mgp->msi_enabled)
-                        pci_disable_msi(pdev);
+        if (mgp->msix_enabled) {
+                for (i = 0; i < mgp->num_slices; i++) {
+                        ss = &mgp->ss[i];
+                        snprintf(ss->irq_desc, sizeof(ss->irq_desc),
+                                 "%s:slice-%d", netdev->name, i);
+                        status = request_irq(mgp->msix_vectors[i].vector,
+                                             myri10ge_intr, 0, ss->irq_desc,
+                                             ss);
+                        if (status != 0) {
+                                dev_err(&pdev->dev,
+                                        "slice %d failed to allocate IRQ\n", i);
+                                i--;
+                                while (i >= 0) {
+                                        free_irq(mgp->msix_vectors[i].vector,
+                                                 &mgp->ss[i]);
+                                        i--;
+                                }
+                                pci_disable_msix(pdev);
+                                return status;
+                        }
+                }
+        } else {
+                status = request_irq(pdev->irq, myri10ge_intr, IRQF_SHARED,
+                                     mgp->dev->name, &mgp->ss[0]);
+                if (status != 0) {
+                        dev_err(&pdev->dev, "failed to allocate IRQ\n");
+                        if (mgp->msi_enabled)
+                                pci_disable_msi(pdev);
+                }
         }
         return status;
 }
@@ -1863,10 +2013,18 @@ static int myri10ge_request_irq(struct myri10ge_priv *mgp)
 static void myri10ge_free_irq(struct myri10ge_priv *mgp)
 {
         struct pci_dev *pdev = mgp->pdev;
+        int i;
 
-        free_irq(pdev->irq, mgp);
+        if (mgp->msix_enabled) {
+                for (i = 0; i < mgp->num_slices; i++)
+                        free_irq(mgp->msix_vectors[i].vector, &mgp->ss[i]);
+        } else {
+                free_irq(pdev->irq, &mgp->ss[0]);
+        }
         if (mgp->msi_enabled)
                 pci_disable_msi(pdev);
+        if (mgp->msix_enabled)
+                pci_disable_msix(pdev);
 }
 
 static int
@@ -1928,7 +2086,6 @@ myri10ge_get_frag_header(struct skb_frag_struct *frag, void **mac_hdr,
         return 0;
 }
 
-#if 0
 static int myri10ge_get_txrx(struct myri10ge_priv *mgp, int slice)
 {
         struct myri10ge_cmd cmd;
@@ -1996,14 +2153,15 @@ static int myri10ge_set_stats(struct myri10ge_priv *mgp, int slice)
         }
         return 0;
 }
-#endif
 
 static int myri10ge_open(struct net_device *dev)
 {
+        struct myri10ge_slice_state *ss;
         struct myri10ge_priv *mgp = netdev_priv(dev);
         struct myri10ge_cmd cmd;
+        int i, status, big_pow2, slice;
+        u8 *itable;
         struct net_lro_mgr *lro_mgr;
-        int status, big_pow2;
 
         if (mgp->running != MYRI10GE_ETH_STOPPED)
                 return -EBUSY;
@@ -2015,6 +2173,48 @@ static int myri10ge_open(struct net_device *dev)
                 goto abort_with_nothing;
         }
 
+        if (mgp->num_slices > 1) {
+                cmd.data0 = mgp->num_slices;
+                cmd.data1 = 1;  /* use MSI-X */
+                status = myri10ge_send_cmd(mgp, MXGEFW_CMD_ENABLE_RSS_QUEUES,
+                                           &cmd, 0);
+                if (status != 0) {
+                        printk(KERN_ERR
+                               "myri10ge: %s: failed to set number of slices\n",
+                               dev->name);
+                        goto abort_with_nothing;
+                }
+                /* setup the indirection table */
+                cmd.data0 = mgp->num_slices;
+                status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_RSS_TABLE_SIZE,
+                                           &cmd, 0);
+
+                status |= myri10ge_send_cmd(mgp,
+                                            MXGEFW_CMD_GET_RSS_TABLE_OFFSET,
+                                            &cmd, 0);
+                if (status != 0) {
+                        printk(KERN_ERR
+                               "myri10ge: %s: failed to setup rss tables\n",
+                               dev->name);
+                }
+
+                /* just enable an identity mapping */
+                itable = mgp->sram + cmd.data0;
+                for (i = 0; i < mgp->num_slices; i++)
+                        __raw_writeb(i, &itable[i]);
+
+                cmd.data0 = 1;
+                cmd.data1 = myri10ge_rss_hash;
+                status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_RSS_ENABLE,
+                                           &cmd, 0);
+                if (status != 0) {
+                        printk(KERN_ERR
+                               "myri10ge: %s: failed to enable slices\n",
+                               dev->name);
+                        goto abort_with_nothing;
+                }
+        }
+
         status = myri10ge_request_irq(mgp);
         if (status != 0)
                 goto abort_with_nothing;
@@ -2038,41 +2238,6 @@ static int myri10ge_open(struct net_device *dev)
         if (myri10ge_small_bytes > 0)
                 mgp->small_bytes = myri10ge_small_bytes;
 
-        /* get the lanai pointers to the send and receive rings */
-
-        status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_OFFSET, &cmd, 0);
-        mgp->ss.tx.lanai =
-            (struct mcp_kreq_ether_send __iomem *)(mgp->sram + cmd.data0);
-
-        status |=
-            myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SMALL_RX_OFFSET, &cmd, 0);
-        mgp->ss.rx_small.lanai =
-            (struct mcp_kreq_ether_recv __iomem *)(mgp->sram + cmd.data0);
-
-        status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_BIG_RX_OFFSET, &cmd, 0);
-        mgp->ss.rx_big.lanai =
-            (struct mcp_kreq_ether_recv __iomem *)(mgp->sram + cmd.data0);
-
-        if (status != 0) {
-                printk(KERN_ERR
-                       "myri10ge: %s: failed to get ring sizes or locations\n",
-                       dev->name);
-                mgp->running = MYRI10GE_ETH_STOPPED;
-                goto abort_with_irq;
-        }
-
-        if (myri10ge_wcfifo && mgp->wc_enabled) {
-                mgp->ss.tx.wc_fifo = (u8 __iomem *) mgp->sram + MXGEFW_ETH_SEND_4;
-                mgp->ss.rx_small.wc_fifo =
-                    (u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_SMALL;
-                mgp->ss.rx_big.wc_fifo =
-                    (u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_BIG;
-        } else {
-                mgp->ss.tx.wc_fifo = NULL;
-                mgp->ss.rx_small.wc_fifo = NULL;
-                mgp->ss.rx_big.wc_fifo = NULL;
-        }
-
         /* Firmware needs the big buff size as a power of 2.  Lie and
          * tell him the buffer is larger, because we only use 1
          * buffer/pkt, and the mtu will prevent overruns.
@@ -2087,9 +2252,44 @@ static int myri10ge_open(struct net_device *dev)
                 mgp->big_bytes = big_pow2;
         }
 
-        status = myri10ge_allocate_rings(&mgp->ss);
-        if (status != 0)
-                goto abort_with_irq;
+        /* setup the per-slice data structures */
+        for (slice = 0; slice < mgp->num_slices; slice++) {
+                ss = &mgp->ss[slice];
+
+                status = myri10ge_get_txrx(mgp, slice);
+                if (status != 0) {
+                        printk(KERN_ERR
+                               "myri10ge: %s: failed to get ring sizes or locations\n",
+                               dev->name);
+                        goto abort_with_rings;
+                }
+                status = myri10ge_allocate_rings(ss);
+                if (status != 0)
+                        goto abort_with_rings;
+                if (slice == 0)
+                        status = myri10ge_set_stats(mgp, slice);
+                if (status) {
+                        printk(KERN_ERR
+                               "myri10ge: %s: Couldn't set stats DMA\n",
+                               dev->name);
+                        goto abort_with_rings;
+                }
+
+                lro_mgr = &ss->rx_done.lro_mgr;
+                lro_mgr->dev = dev;
+                lro_mgr->features = LRO_F_NAPI;
+                lro_mgr->ip_summed = CHECKSUM_COMPLETE;
+                lro_mgr->ip_summed_aggr = CHECKSUM_UNNECESSARY;
+                lro_mgr->max_desc = MYRI10GE_MAX_LRO_DESCRIPTORS;
+                lro_mgr->lro_arr = ss->rx_done.lro_desc;
+                lro_mgr->get_frag_header = myri10ge_get_frag_header;
+                lro_mgr->max_aggr = myri10ge_lro_max_pkts;
+                if (lro_mgr->max_aggr > MAX_SKB_FRAGS)
+                        lro_mgr->max_aggr = MAX_SKB_FRAGS;
+
+                /* must happen prior to any irq */
+                napi_enable(&(ss)->napi);
+        }
 
         /* now give firmware buffers sizes, and MTU */
         cmd.data0 = dev->mtu + ETH_HLEN + VLAN_HLEN;
@@ -2106,25 +2306,15 @@ static int myri10ge_open(struct net_device *dev)
                 goto abort_with_rings;
         }
 
-        cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->ss.fw_stats_bus);
-        cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->ss.fw_stats_bus);
-        cmd.data2 = sizeof(struct mcp_irq_data);
-        status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_STATS_DMA_V2, &cmd, 0);
-        if (status == -ENOSYS) {
-                dma_addr_t bus = mgp->ss.fw_stats_bus;
-                bus += offsetof(struct mcp_irq_data, send_done_count);
-                cmd.data0 = MYRI10GE_LOWPART_TO_U32(bus);
-                cmd.data1 = MYRI10GE_HIGHPART_TO_U32(bus);
-                status = myri10ge_send_cmd(mgp,
-                                           MXGEFW_CMD_SET_STATS_DMA_OBSOLETE,
-                                           &cmd, 0);
-                /* Firmware cannot support multicast without STATS_DMA_V2 */
-                mgp->fw_multicast_support = 0;
-        } else {
-                mgp->fw_multicast_support = 1;
-        }
-        if (status) {
-                printk(KERN_ERR "myri10ge: %s: Couldn't set stats DMA\n",
+        /*
+         * Set Linux style TSO mode; this is needed only on newer
+         *  firmware versions.  Older versions default to Linux
+         *  style TSO
+         */
+        cmd.data0 = 0;
+        status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_TSO_MODE, &cmd, 0);
+        if (status && status != -ENOSYS) {
+                printk(KERN_ERR "myri10ge: %s: Couldn't set TSO mode\n",
                        dev->name);
                 goto abort_with_rings;
         }
@@ -2132,21 +2322,6 @@ static int myri10ge_open(struct net_device *dev)
         mgp->link_state = ~0U;
         mgp->rdma_tags_available = 15;
 
-        lro_mgr = &mgp->ss.rx_done.lro_mgr;
-        lro_mgr->dev = dev;
-        lro_mgr->features = LRO_F_NAPI;
-        lro_mgr->ip_summed = CHECKSUM_COMPLETE;
-        lro_mgr->ip_summed_aggr = CHECKSUM_UNNECESSARY;
-        lro_mgr->max_desc = MYRI10GE_MAX_LRO_DESCRIPTORS;
-        lro_mgr->lro_arr = mgp->ss.rx_done.lro_desc;
-        lro_mgr->get_frag_header = myri10ge_get_frag_header;
-        lro_mgr->max_aggr = myri10ge_lro_max_pkts;
-        lro_mgr->frag_align_pad = 2;
-        if (lro_mgr->max_aggr > MAX_SKB_FRAGS)
-                lro_mgr->max_aggr = MAX_SKB_FRAGS;
-
-        napi_enable(&mgp->ss.napi);     /* must happen prior to any irq */
-
         status = myri10ge_send_cmd(mgp, MXGEFW_CMD_ETHERNET_UP, &cmd, 0);
         if (status) {
                 printk(KERN_ERR "myri10ge: %s: Couldn't bring up link\n",
@@ -2154,8 +2329,6 @@ static int myri10ge_open(struct net_device *dev)
                 goto abort_with_rings;
         }
 
-        mgp->ss.tx.wake_queue = 0;
-        mgp->ss.tx.stop_queue = 0;
         mgp->running = MYRI10GE_ETH_RUNNING;
         mgp->watchdog_timer.expires = jiffies + myri10ge_watchdog_timeout * HZ;
         add_timer(&mgp->watchdog_timer);
@@ -2163,9 +2336,9 @@ static int myri10ge_open(struct net_device *dev)
         return 0;
 
 abort_with_rings:
-        myri10ge_free_rings(&mgp->ss);
+        for (i = 0; i < mgp->num_slices; i++)
+                myri10ge_free_rings(&mgp->ss[i]);
 
-abort_with_irq:
         myri10ge_free_irq(mgp);
 
 abort_with_nothing:
@@ -2178,16 +2351,19 @@ static int myri10ge_close(struct net_device *dev)
         struct myri10ge_priv *mgp = netdev_priv(dev);
         struct myri10ge_cmd cmd;
         int status, old_down_cnt;
+        int i;
 
         if (mgp->running != MYRI10GE_ETH_RUNNING)
                 return 0;
 
-        if (mgp->ss.tx.req_bytes == NULL)
+        if (mgp->ss[0].tx.req_bytes == NULL)
                 return 0;
 
         del_timer_sync(&mgp->watchdog_timer);
         mgp->running = MYRI10GE_ETH_STOPPING;
-        napi_disable(&mgp->ss.napi);
+        for (i = 0; i < mgp->num_slices; i++) {
+                napi_disable(&mgp->ss[i].napi);
+        }
         netif_carrier_off(dev);
         netif_stop_queue(dev);
         old_down_cnt = mgp->down_cnt;
@@ -2203,7 +2379,8 @@ static int myri10ge_close(struct net_device *dev)
 
         netif_tx_disable(dev);
         myri10ge_free_irq(mgp);
-        myri10ge_free_rings(&mgp->ss);
+        for (i = 0; i < mgp->num_slices; i++)
+                myri10ge_free_rings(&mgp->ss[i]);
 
         mgp->running = MYRI10GE_ETH_STOPPED;
         return 0;
@@ -2324,7 +2501,7 @@ static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
         u8 flags, odd_flag;
 
         /* always transmit through slot 0 */
-        ss = &mgp->ss;
+        ss = mgp->ss;
         tx = &ss->tx;
 again:
         req = tx->req_list;
@@ -2629,7 +2806,21 @@ drop:
 static struct net_device_stats *myri10ge_get_stats(struct net_device *dev)
 {
         struct myri10ge_priv *mgp = netdev_priv(dev);
-        return &mgp->stats;
+        struct myri10ge_slice_netstats *slice_stats;
+        struct net_device_stats *stats = &mgp->stats;
+        int i;
+
+        memset(stats, 0, sizeof(*stats));
+        for (i = 0; i < mgp->num_slices; i++) {
+                slice_stats = &mgp->ss[i].stats;
+                stats->rx_packets += slice_stats->rx_packets;
+                stats->tx_packets += slice_stats->tx_packets;
+                stats->rx_bytes += slice_stats->rx_bytes;
+                stats->tx_bytes += slice_stats->tx_bytes;
+                stats->rx_dropped += slice_stats->rx_dropped;
+                stats->tx_dropped += slice_stats->tx_dropped;
+        }
+        return stats;
 }
 
 static void myri10ge_set_multicast_list(struct net_device *dev)
@@ -2840,10 +3031,10 @@ static void myri10ge_enable_ecrc(struct myri10ge_priv *mgp)
  *
  * If the driver can neither enable ECRC nor verify that it has
  * already been enabled, then it must use a firmware image which works
- * around unaligned completion packets (myri10ge_ethp_z8e.dat), and it
+ * around unaligned completion packets (myri10ge_rss_ethp_z8e.dat), and it
  * should also ensure that it never gives the device a Read-DMA which is
  * larger than 2KB by setting the tx_boundary to 2KB.  If ECRC is
- * enabled, then the driver should use the aligned (myri10ge_eth_z8e.dat)
+ * enabled, then the driver should use the aligned (myri10ge_rss_eth_z8e.dat)
  * firmware image, and set tx_boundary to 4KB.
  */
 
@@ -2872,7 +3063,7 @@ static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
          * completions) in order to see if it works on this host.
          */
         mgp->fw_name = myri10ge_fw_aligned;
-        status = myri10ge_load_firmware(mgp);
+        status = myri10ge_load_firmware(mgp, 1);
         if (status != 0) {
                 goto abort;
         }
@@ -3053,6 +3244,7 @@ static void myri10ge_watchdog(struct work_struct *work)
         struct myri10ge_tx_buf *tx;
         u32 reboot;
         int status;
+        int i;
         u16 cmd, vendor;
 
         mgp->watchdog_resets++;
@@ -3100,20 +3292,26 @@ static void myri10ge_watchdog(struct work_struct *work)
 
                 printk(KERN_ERR "myri10ge: %s: device timeout, resetting\n",
                        mgp->dev->name);
-                tx = &mgp->ss.tx;
-                printk(KERN_INFO "myri10ge: %s: %d %d %d %d %d\n",
-                       mgp->dev->name, tx->req, tx->done,
-                       tx->pkt_start, tx->pkt_done,
-                       (int)ntohl(mgp->ss.fw_stats->send_done_count));
-                msleep(2000);
-                printk(KERN_INFO "myri10ge: %s: %d %d %d %d %d\n",
-                       mgp->dev->name, tx->req, tx->done,
-                       tx->pkt_start, tx->pkt_done,
-                       (int)ntohl(mgp->ss.fw_stats->send_done_count));
+                for (i = 0; i < mgp->num_slices; i++) {
+                        tx = &mgp->ss[i].tx;
+                        printk(KERN_INFO
+                               "myri10ge: %s: (%d): %d %d %d %d %d\n",
+                               mgp->dev->name, i, tx->req, tx->done,
+                               tx->pkt_start, tx->pkt_done,
+                               (int)ntohl(mgp->ss[i].fw_stats->
+                                          send_done_count));
+                        msleep(2000);
+                        printk(KERN_INFO
+                               "myri10ge: %s: (%d): %d %d %d %d %d\n",
+                               mgp->dev->name, i, tx->req, tx->done,
+                               tx->pkt_start, tx->pkt_done,
+                               (int)ntohl(mgp->ss[i].fw_stats->
+                                          send_done_count));
+                }
         }
         rtnl_lock();
         myri10ge_close(mgp->dev);
-        status = myri10ge_load_firmware(mgp);
+        status = myri10ge_load_firmware(mgp, 1);
         if (status != 0)
                 printk(KERN_ERR "myri10ge: %s: failed to load firmware\n",
                        mgp->dev->name);
@@ -3133,50 +3331,59 @@ static void myri10ge_watchdog_timer(unsigned long arg)
 {
         struct myri10ge_priv *mgp;
         struct myri10ge_slice_state *ss;
+        int i, reset_needed;
         u32 rx_pause_cnt;
 
         mgp = (struct myri10ge_priv *)arg;
 
-        rx_pause_cnt = ntohl(mgp->ss.fw_stats->dropped_pause);
+        rx_pause_cnt = ntohl(mgp->ss[0].fw_stats->dropped_pause);
+        for (i = 0, reset_needed = 0;
+             i < mgp->num_slices && reset_needed == 0; ++i) {
 
-        ss = &mgp->ss;
-        if (ss->rx_small.watchdog_needed) {
-                myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
-                                        mgp->small_bytes + MXGEFW_PAD, 1);
-                if (ss->rx_small.fill_cnt - ss->rx_small.cnt >=
-                    myri10ge_fill_thresh)
-                        ss->rx_small.watchdog_needed = 0;
-        }
-        if (ss->rx_big.watchdog_needed) {
-                myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 1);
-                if (ss->rx_big.fill_cnt - ss->rx_big.cnt >=
-                    myri10ge_fill_thresh)
-                        ss->rx_big.watchdog_needed = 0;
-        }
-
-        if (ss->tx.req != ss->tx.done &&
-            ss->tx.done == ss->watchdog_tx_done &&
-            ss->watchdog_tx_req != ss->watchdog_tx_done) {
-                /* nic seems like it might be stuck.. */
-                if (rx_pause_cnt != mgp->watchdog_pause) {
-                        if (net_ratelimit())
-                                printk(KERN_WARNING "myri10ge %s:"
-                                       "TX paused, check link partner\n",
-                                       mgp->dev->name);
-                } else {
-                        schedule_work(&mgp->watchdog_work);
-                        return;
+                ss = &mgp->ss[i];
+                if (ss->rx_small.watchdog_needed) {
+                        myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
+                                                mgp->small_bytes + MXGEFW_PAD,
+                                                1);
+                        if (ss->rx_small.fill_cnt - ss->rx_small.cnt >=
+                            myri10ge_fill_thresh)
+                                ss->rx_small.watchdog_needed = 0;
+                }
+                if (ss->rx_big.watchdog_needed) {
+                        myri10ge_alloc_rx_pages(mgp, &ss->rx_big,
+                                                mgp->big_bytes, 1);
+                        if (ss->rx_big.fill_cnt - ss->rx_big.cnt >=
+                            myri10ge_fill_thresh)
+                                ss->rx_big.watchdog_needed = 0;
+                }
+
+                if (ss->tx.req != ss->tx.done &&
+                    ss->tx.done == ss->watchdog_tx_done &&
+                    ss->watchdog_tx_req != ss->watchdog_tx_done) {
+                        /* nic seems like it might be stuck.. */
+                        if (rx_pause_cnt != mgp->watchdog_pause) {
+                                if (net_ratelimit())
+                                        printk(KERN_WARNING "myri10ge %s:"
+                                               "TX paused, check link partner\n",
+                                               mgp->dev->name);
+                        } else {
+                                reset_needed = 1;
+                        }
                 }
+                ss->watchdog_tx_done = ss->tx.done;
+                ss->watchdog_tx_req = ss->tx.req;
         }
-        /* rearm timer */
-        mod_timer(&mgp->watchdog_timer,
-                  jiffies + myri10ge_watchdog_timeout * HZ);
-        ss->watchdog_tx_done = ss->tx.done;
-        ss->watchdog_tx_req = ss->tx.req;
         mgp->watchdog_pause = rx_pause_cnt;
+
+        if (reset_needed) {
+                schedule_work(&mgp->watchdog_work);
+        } else {
+                /* rearm timer */
+                mod_timer(&mgp->watchdog_timer,
+                          jiffies + myri10ge_watchdog_timeout * HZ);
+        }
 }
 
-#if 0
 static void myri10ge_free_slices(struct myri10ge_priv *mgp)
 {
         struct myri10ge_slice_state *ss;
@@ -3360,14 +3567,12 @@ abort_with_fw:
         mgp->fw_name = old_fw;
         myri10ge_load_firmware(mgp, 0);
 }
-#endif
 
 static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
         struct net_device *netdev;
         struct myri10ge_priv *mgp;
         struct device *dev = &pdev->dev;
-        size_t bytes;
         int i;
         int status = -ENXIO;
         int dac_enabled;
@@ -3382,7 +3587,6 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
         mgp = netdev_priv(netdev);
         mgp->dev = netdev;
-        netif_napi_add(netdev, &mgp->ss.napi, myri10ge_poll, myri10ge_napi_weight);
         mgp->pdev = pdev;
         mgp->csum_flag = MXGEFW_FLAGS_CKSUM;
         mgp->pause = myri10ge_flow_control;
@@ -3428,11 +3632,6 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         if (mgp->cmd == NULL)
                 goto abort_with_netdev;
 
-        mgp->ss.fw_stats = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->ss.fw_stats),
-                                           &mgp->ss.fw_stats_bus, GFP_KERNEL);
-        if (mgp->ss.fw_stats == NULL)
-                goto abort_with_cmd;
-
         mgp->board_span = pci_resource_len(pdev, 0);
         mgp->iomem_base = pci_resource_start(pdev, 0);
         mgp->mtrr = -1;
@@ -3469,26 +3668,24 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         for (i = 0; i < ETH_ALEN; i++)
                 netdev->dev_addr[i] = mgp->mac_addr[i];
 
-        /* allocate rx done ring */
-        bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
-        mgp->ss.rx_done.entry = dma_alloc_coherent(&pdev->dev, bytes,
-                                                &mgp->ss.rx_done.bus, GFP_KERNEL);
-        if (mgp->ss.rx_done.entry == NULL)
-                goto abort_with_ioremap;
-        memset(mgp->ss.rx_done.entry, 0, bytes);
-
         myri10ge_select_firmware(mgp);
 
-        status = myri10ge_load_firmware(mgp);
+        status = myri10ge_load_firmware(mgp, 1);
         if (status != 0) {
                 dev_err(&pdev->dev, "failed to load firmware\n");
-                goto abort_with_rx_done;
+                goto abort_with_ioremap;
+        }
+        myri10ge_probe_slices(mgp);
+        status = myri10ge_alloc_slices(mgp);
+        if (status != 0) {
+                dev_err(&pdev->dev, "failed to alloc slice state\n");
+                goto abort_with_firmware;
         }
 
         status = myri10ge_reset(mgp);
         if (status != 0) {
                 dev_err(&pdev->dev, "failed reset\n");
-                goto abort_with_firmware;
+                goto abort_with_slices;
         }
 
         pci_set_drvdata(pdev, mgp);
@@ -3533,24 +3730,27 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 dev_err(&pdev->dev, "register_netdev failed: %d\n", status);
                 goto abort_with_state;
         }
-        dev_info(dev, "%s IRQ %d, tx bndry %d, fw %s, WC %s\n",
-                 (mgp->msi_enabled ? "MSI" : "xPIC"),
-                 netdev->irq, mgp->tx_boundary, mgp->fw_name,
-                 (mgp->wc_enabled ? "Enabled" : "Disabled"));
+        if (mgp->msix_enabled)
+                dev_info(dev, "%d MSI-X IRQs, tx bndry %d, fw %s, WC %s\n",
+                         mgp->num_slices, mgp->tx_boundary, mgp->fw_name,
+                         (mgp->wc_enabled ? "Enabled" : "Disabled"));
+        else
+                dev_info(dev, "%s IRQ %d, tx bndry %d, fw %s, WC %s\n",
+                         mgp->msi_enabled ? "MSI" : "xPIC",
+                         netdev->irq, mgp->tx_boundary, mgp->fw_name,
+                         (mgp->wc_enabled ? "Enabled" : "Disabled"));
 
         return 0;
 
 abort_with_state:
         pci_restore_state(pdev);
 
+abort_with_slices:
+        myri10ge_free_slices(mgp);
+
 abort_with_firmware:
         myri10ge_dummy_rdma(mgp, 0);
 
-abort_with_rx_done:
-        bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
-        dma_free_coherent(&pdev->dev, bytes,
-                          mgp->ss.rx_done.entry, mgp->ss.rx_done.bus);
-
 abort_with_ioremap:
         iounmap(mgp->sram);
 
@@ -3559,10 +3759,6 @@ abort_with_wc:
         if (mgp->mtrr >= 0)
                 mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span);
 #endif
-        dma_free_coherent(&pdev->dev, sizeof(*mgp->ss.fw_stats),
-                          mgp->ss.fw_stats, mgp->ss.fw_stats_bus);
-
-abort_with_cmd:
         dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd),
                           mgp->cmd, mgp->cmd_bus);
 
@@ -3583,7 +3779,6 @@ static void myri10ge_remove(struct pci_dev *pdev)
 {
         struct myri10ge_priv *mgp;
         struct net_device *netdev;
-        size_t bytes;
 
         mgp = pci_get_drvdata(pdev);
         if (mgp == NULL)
@@ -3598,19 +3793,15 @@ static void myri10ge_remove(struct pci_dev *pdev)
         /* avoid a memory leak */
         pci_restore_state(pdev);
 
-        bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
-        dma_free_coherent(&pdev->dev, bytes,
-                          mgp->ss.rx_done.entry, mgp->ss.rx_done.bus);
-
         iounmap(mgp->sram);
 
 #ifdef CONFIG_MTRR
         if (mgp->mtrr >= 0)
                 mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span);
 #endif
-        dma_free_coherent(&pdev->dev, sizeof(*mgp->ss.fw_stats),
-                          mgp->ss.fw_stats, mgp->ss.fw_stats_bus);
-
+        myri10ge_free_slices(mgp);
+        if (mgp->msix_vectors != NULL)
+                kfree(mgp->msix_vectors);
         dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd),
                           mgp->cmd, mgp->cmd_bus);
 
@@ -3643,6 +3834,15 @@ static __init int myri10ge_init_module(void)
 {
         printk(KERN_INFO "%s: Version %s\n", myri10ge_driver.name,
                MYRI10GE_VERSION_STR);
+
+        if (myri10ge_rss_hash > MXGEFW_RSS_HASH_TYPE_SRC_PORT ||
+            myri10ge_rss_hash < MXGEFW_RSS_HASH_TYPE_IPV4) {
+                printk(KERN_ERR
+                       "%s: Illegal rssh hash type %d, defaulting to source port\n",
+                       myri10ge_driver.name, myri10ge_rss_hash);
+                myri10ge_rss_hash = MXGEFW_RSS_HASH_TYPE_SRC_PORT;
+        }
+
         return pci_register_driver(&myri10ge_driver);
 }