1 files changed, 38 insertions, 26 deletions

diff --git a/drivers/net/mlx4/en_main.c b/drivers/net/mlx4/en_main.c
index 97934f1ec53a..9276b1b25586 100644
--- a/drivers/net/mlx4/en_main.c
+++ b/drivers/net/mlx4/en_main.c
@@ -63,15 +63,12 @@ static const char mlx4_en_version[] =
  */
 
 
-/* Use a XOR rathern than Toeplitz hash function for RSS */
-MLX4_EN_PARM_INT(rss_xor, 0, "Use XOR hash function for RSS");
-
-/* RSS hash type mask - default to <saddr, daddr, sport, dport> */
-MLX4_EN_PARM_INT(rss_mask, 0xf, "RSS hash type bitmask");
-
-/* Number of LRO sessions per Rx ring (rounded up to a power of two) */
-MLX4_EN_PARM_INT(num_lro, MLX4_EN_MAX_LRO_DESCRIPTORS,
-                 "Number of LRO sessions per ring or disabled (0)");
+/* Enable RSS TCP traffic */
+MLX4_EN_PARM_INT(tcp_rss, 1,
+                 "Enable RSS for incomming TCP traffic or disabled (0)");
+/* Enable RSS UDP traffic */
+MLX4_EN_PARM_INT(udp_rss, 1,
+                 "Enable RSS for incomming UDP traffic or disabled (0)");
 
 /* Priority pausing */
 MLX4_EN_PARM_INT(pfctx, 0, "Priority based Flow Control policy on TX[7:0]."
@@ -107,9 +104,12 @@ static int mlx4_en_get_profile(struct mlx4_en_dev *mdev)
         struct mlx4_en_profile *params = &mdev->profile;
         int i;
 
-        params->rss_xor = (rss_xor != 0);
-        params->rss_mask = rss_mask & 0x1f;
-        params->num_lro = min_t(int, num_lro , MLX4_EN_MAX_LRO_DESCRIPTORS);
+        params->tcp_rss = tcp_rss;
+        params->udp_rss = udp_rss;
+        if (params->udp_rss && !mdev->dev->caps.udp_rss) {
+                mlx4_warn(mdev, "UDP RSS is not supported on this device.\n");
+                params->udp_rss = 0;
+        }
         for (i = 1; i <= MLX4_MAX_PORTS; i++) {
                 params->prof[i].rx_pause = 1;
                 params->prof[i].rx_ppp = pfcrx;
@@ -124,6 +124,13 @@ static int mlx4_en_get_profile(struct mlx4_en_dev *mdev)
         return 0;
 }
 
+static void *mlx4_en_get_netdev(struct mlx4_dev *dev, void *ctx, u8 port)
+{
+        struct mlx4_en_dev *endev = ctx;
+
+        return endev->pndev[port];
+}
+
 static void mlx4_en_event(struct mlx4_dev *dev, void *endev_ptr,
                           enum mlx4_dev_event event, int port)
 {
@@ -195,7 +202,8 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
         if (mlx4_uar_alloc(dev, &mdev->priv_uar))
                 goto err_pd;
 
-        mdev->uar_map = ioremap(mdev->priv_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
+        mdev->uar_map = ioremap((phys_addr_t) mdev->priv_uar.pfn << PAGE_SHIFT,
+                                PAGE_SIZE);
         if (!mdev->uar_map)
                 goto err_uar;
         spin_lock_init(&mdev->uar_lock);
@@ -228,21 +236,23 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
                 goto err_mr;
         }
 
-        /* Configure wich ports to start according to module parameters */
+        /* Configure which ports to start according to module parameters */
         mdev->port_cnt = 0;
         mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH)
                 mdev->port_cnt++;
 
-        /* If we did not receive an explicit number of Rx rings, default to
-         * the number of completion vectors populated by the mlx4_core */
         mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) {
-                mlx4_info(mdev, "Using %d tx rings for port:%d\n",
-                          mdev->profile.prof[i].tx_ring_num, i);
-                mdev->profile.prof[i].rx_ring_num = min_t(int,
-                        roundup_pow_of_two(dev->caps.num_comp_vectors),
-                        MAX_RX_RINGS);
-                mlx4_info(mdev, "Defaulting to %d rx rings for port:%d\n",
-                          mdev->profile.prof[i].rx_ring_num, i);
+                if (!dev->caps.comp_pool) {
+                        mdev->profile.prof[i].rx_ring_num =
+                                rounddown_pow_of_two(max_t(int, MIN_RX_RINGS,
+                                                           min_t(int,
+                                                                 dev->caps.num_comp_vectors,
+                                                                 MAX_RX_RINGS)));
+                } else {
+                        mdev->profile.prof[i].rx_ring_num = rounddown_pow_of_two(
+                                min_t(int, dev->caps.comp_pool/
+                                      dev->caps.num_ports - 1 , MAX_MSIX_P_PORT - 1));
+                }
         }
 
         /* Create our own workqueue for reset/multicast tasks
@@ -282,9 +292,11 @@ err_free_res:
 }
 
 static struct mlx4_interface mlx4_en_interface = {
-        .add    = mlx4_en_add,
-        .remove = mlx4_en_remove,
-        .event  = mlx4_en_event,
+        .add            = mlx4_en_add,
+        .remove         = mlx4_en_remove,
+        .event          = mlx4_en_event,
+        .get_dev        = mlx4_en_get_netdev,
+        .protocol       = MLX4_PROT_ETH,
 };
 
 static int __init mlx4_en_init(void)