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path: root/drivers/net/ixgbe/ixgbe_82598.c
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_82598.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_82598.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c
index 8179e5060a18..0d4e38264492 100644
--- a/drivers/net/ixgbe/ixgbe_82598.c
+++ b/drivers/net/ixgbe/ixgbe_82598.c
@@ -1242,6 +1242,47 @@ static void ixgbe_set_lan_id_multi_port_pcie_82598(struct ixgbe_hw *hw)
}
}
+/**
+ * ixgbe_set_rxpba_82598 - Configure packet buffers
+ * @hw: pointer to hardware structure
+ * @dcb_config: pointer to ixgbe_dcb_config structure
+ *
+ * Configure packet buffers.
+ */
+static void ixgbe_set_rxpba_82598(struct ixgbe_hw *hw, int num_pb, u32 headroom,
+ int strategy)
+{
+ u32 rxpktsize = IXGBE_RXPBSIZE_64KB;
+ u8 i = 0;
+
+ if (!num_pb)
+ return;
+
+ /* Setup Rx packet buffer sizes */
+ switch (strategy) {
+ case PBA_STRATEGY_WEIGHTED:
+ /* Setup the first four at 80KB */
+ rxpktsize = IXGBE_RXPBSIZE_80KB;
+ for (; i < 4; i++)
+ IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
+ /* Setup the last four at 48KB...don't re-init i */
+ rxpktsize = IXGBE_RXPBSIZE_48KB;
+ /* Fall Through */
+ case PBA_STRATEGY_EQUAL:
+ default:
+ /* Divide the remaining Rx packet buffer evenly among the TCs */
+ for (; i < IXGBE_MAX_PACKET_BUFFERS; i++)
+ IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
+ break;
+ }
+
+ /* Setup Tx packet buffer sizes */
+ for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++)
+ IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), IXGBE_TXPBSIZE_40KB);
+
+ return;
+}
+
static struct ixgbe_mac_operations mac_ops_82598 = {
.init_hw = &ixgbe_init_hw_generic,
.reset_hw = &ixgbe_reset_hw_82598,
@@ -1257,6 +1298,7 @@ static struct ixgbe_mac_operations mac_ops_82598 = {
.read_analog_reg8 = &ixgbe_read_analog_reg8_82598,
.write_analog_reg8 = &ixgbe_write_analog_reg8_82598,
.setup_link = &ixgbe_setup_mac_link_82598,
+ .set_rxpba = &ixgbe_set_rxpba_82598,
.check_link = &ixgbe_check_mac_link_82598,
.get_link_capabilities = &ixgbe_get_link_capabilities_82598,
.led_on = &ixgbe_led_on_generic,
@@ -1274,6 +1316,7 @@ static struct ixgbe_mac_operations mac_ops_82598 = {
.clear_vfta = &ixgbe_clear_vfta_82598,
.set_vfta = &ixgbe_set_vfta_82598,
.fc_enable = &ixgbe_fc_enable_82598,
+ .set_fw_drv_ver = NULL,
.acquire_swfw_sync = &ixgbe_acquire_swfw_sync,
.release_swfw_sync = &ixgbe_release_swfw_sync,
};