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authorYevgeny Petrilin <yevgenyp@mellanox.co.il>2009-06-01 23:20:18 +0000
committerDavid S. Miller <davem@davemloft.net>2009-06-02 02:29:03 -0700
commita2b28737a2c504ad4306eec30fc893e7f4513359 (patch)
tree6e77c4e74c0d2b9fc41e1b4ba8fabbc09381ebd1 /drivers/net/mlx4/en_main.c
parent453a608277355735190e05c43f909808e0f73641 (diff)
mlx4_en: Moved all module parameters handling to en_main.c
en_params.c file now only handles Ethtool functionality Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/mlx4/en_main.c')
-rw-r--r--drivers/net/mlx4/en_main.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/net/mlx4/en_main.c b/drivers/net/mlx4/en_main.c
index 510633fd57f..23955d8891b 100644
--- a/drivers/net/mlx4/en_main.c
+++ b/drivers/net/mlx4/en_main.c
@@ -51,6 +51,60 @@ static const char mlx4_en_version[] =
DRV_NAME ": Mellanox ConnectX HCA Ethernet driver v"
DRV_VERSION " (" DRV_RELDATE ")\n";
+#define MLX4_EN_PARM_INT(X, def_val, desc) \
+ static unsigned int X = def_val;\
+ module_param(X , uint, 0444); \
+ MODULE_PARM_DESC(X, desc);
+
+
+/*
+ * Device scope module parameters
+ */
+
+
+/* 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)");
+
+/* Priority pausing */
+MLX4_EN_PARM_INT(pfctx, 0, "Priority based Flow Control policy on TX[7:0]."
+ " Per priority bit mask");
+MLX4_EN_PARM_INT(pfcrx, 0, "Priority based Flow Control policy on RX[7:0]."
+ " Per priority bit mask");
+
+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);
+ for (i = 1; i <= MLX4_MAX_PORTS; i++) {
+ params->prof[i].rx_pause = 1;
+ params->prof[i].rx_ppp = pfcrx;
+ params->prof[i].tx_pause = 1;
+ params->prof[i].tx_ppp = pfctx;
+ params->prof[i].tx_ring_size = MLX4_EN_DEF_TX_RING_SIZE;
+ params->prof[i].rx_ring_size = MLX4_EN_DEF_RX_RING_SIZE;
+ }
+ if (pfcrx || pfctx) {
+ params->prof[1].tx_ring_num = MLX4_EN_TX_RING_NUM;
+ params->prof[2].tx_ring_num = MLX4_EN_TX_RING_NUM;
+ } else {
+ params->prof[1].tx_ring_num = 1;
+ params->prof[2].tx_ring_num = 1;
+ }
+
+ return 0;
+}
+
static void mlx4_en_event(struct mlx4_dev *dev, void *endev_ptr,
enum mlx4_dev_event event, int port)
{