@@ -392,6 +392,25 @@ struct qlcnic_rx_buffer {
#define QLCNIC_XGBE 0x02
/*
+ * Interrupt coalescing defaults. The defaults are for 1500 MTU. It is
+ * adjusted based on configured MTU.
+ */
+#define QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US 3
+#define QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS 256
+
+#define QLCNIC_INTR_DEFAULT 0x04
+#define QLCNIC_CONFIG_INTR_COALESCE 3
+
+struct qlcnic_nic_intr_coalesce {
+ u8 type;
+ u8 sts_ring_mask;
+ u16 rx_packets;
+ u16 rx_time_us;
+ u16 flag;
+ u32 timer_out;
+};
+
+/*
* One hardware_context{} per adapter
* contains interrupt info as well shared hardware info.
*/
@@ -409,6 +428,8 @@ struct qlcnic_hardware_context {
u8 linkup;
u16 port_type;
u16 board_type;
+
+ struct qlcnic_nic_intr_coalesce coal;
};
struct qlcnic_adapter_stats {
@@ -721,40 +742,6 @@ struct qlcnic_mac_list_s {
uint8_t mac_addr[ETH_ALEN+2];
};
-/*
- * Interrupt coalescing defaults. The defaults are for 1500 MTU. It is
- * adjusted based on configured MTU.
- */
-#define QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US 3
-#define QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS 256
-#define QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS 64
-#define QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US 4
-
-#define QLCNIC_INTR_DEFAULT 0x04
-
-union qlcnic_nic_intr_coalesce_data {
- struct {
- u16 rx_packets;
- u16 rx_time_us;
- u16 tx_packets;
- u16 tx_time_us;
- } data;
- u64 word;
-};
-
-struct qlcnic_nic_intr_coalesce {
- u16 stats_time_us;
- u16 rate_sample_time;
- u16 flags;
- u16 rsvd_1;
- u32 low_threshold;
- u32 high_threshold;
- union qlcnic_nic_intr_coalesce_data normal;
- union qlcnic_nic_intr_coalesce_data low;
- union qlcnic_nic_intr_coalesce_data high;
- union qlcnic_nic_intr_coalesce_data irq;
-};
-
#define QLCNIC_HOST_REQUEST 0x13
#define QLCNIC_REQUEST 0x14
@@ -1002,7 +989,6 @@ struct qlcnic_adapter {
struct delayed_work fw_work;
- struct qlcnic_nic_intr_coalesce coal;
struct qlcnic_filter_hash fhash;
@@ -936,8 +936,8 @@ static int qlcnic_set_intr_coalesce(struct net_device *netdev,
*/
if (ethcoal->rx_coalesce_usecs > 0xffff ||
ethcoal->rx_max_coalesced_frames > 0xffff ||
- ethcoal->tx_coalesce_usecs > 0xffff ||
- ethcoal->tx_max_coalesced_frames > 0xffff ||
+ ethcoal->tx_coalesce_usecs ||
+ ethcoal->tx_max_coalesced_frames ||
ethcoal->rx_coalesce_usecs_irq ||
ethcoal->rx_max_coalesced_frames_irq ||
ethcoal->tx_coalesce_usecs_irq ||
@@ -959,21 +959,17 @@ static int qlcnic_set_intr_coalesce(struct net_device *netdev,
if (!ethcoal->rx_coalesce_usecs ||
!ethcoal->rx_max_coalesced_frames) {
- adapter->coal.flags = QLCNIC_INTR_DEFAULT;
- adapter->coal.normal.data.rx_time_us =
+ adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
+ adapter->ahw->coal.rx_time_us =
QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
- adapter->coal.normal.data.rx_packets =
+ adapter->ahw->coal.rx_packets =
QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
} else {
- adapter->coal.flags = 0;
- adapter->coal.normal.data.rx_time_us =
- ethcoal->rx_coalesce_usecs;
- adapter->coal.normal.data.rx_packets =
- ethcoal->rx_max_coalesced_frames;
+ adapter->ahw->coal.flag = 0;
+ adapter->ahw->coal.rx_time_us = ethcoal->rx_coalesce_usecs;
+ adapter->ahw->coal.rx_packets =
+ ethcoal->rx_max_coalesced_frames;
}
- adapter->coal.normal.data.tx_time_us = ethcoal->tx_coalesce_usecs;
- adapter->coal.normal.data.tx_packets =
- ethcoal->tx_max_coalesced_frames;
qlcnic_config_intr_coalesce(adapter);
@@ -988,12 +984,8 @@ static int qlcnic_get_intr_coalesce(struct net_device *netdev,
if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
return -EINVAL;
- ethcoal->rx_coalesce_usecs = adapter->coal.normal.data.rx_time_us;
- ethcoal->tx_coalesce_usecs = adapter->coal.normal.data.tx_time_us;
- ethcoal->rx_max_coalesced_frames =
- adapter->coal.normal.data.rx_packets;
- ethcoal->tx_max_coalesced_frames =
- adapter->coal.normal.data.tx_packets;
+ ethcoal->rx_coalesce_usecs = adapter->ahw->coal.rx_time_us;
+ ethcoal->rx_max_coalesced_frames = adapter->ahw->coal.rx_packets;
return 0;
}
@@ -532,33 +532,31 @@ void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter)
}
}
-#define QLCNIC_CONFIG_INTR_COALESCE 3
-
/*
* Send the interrupt coalescing parameter set by ethtool to the card.
*/
int qlcnic_config_intr_coalesce(struct qlcnic_adapter *adapter)
{
struct qlcnic_nic_req req;
- u64 word[6];
- int rv, i;
+ int rv;
memset(&req, 0, sizeof(struct qlcnic_nic_req));
req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
- word[0] = QLCNIC_CONFIG_INTR_COALESCE | ((u64)adapter->portnum << 16);
- req.req_hdr = cpu_to_le64(word[0]);
-
- memcpy(&word[0], &adapter->coal, sizeof(adapter->coal));
- for (i = 0; i < 6; i++)
- req.words[i] = cpu_to_le64(word[i]);
+ req.req_hdr = cpu_to_le64(QLCNIC_CONFIG_INTR_COALESCE |
+ ((u64) adapter->portnum << 16));
+ req.words[0] = cpu_to_le64(((u64) adapter->ahw->coal.flag) << 32);
+ req.words[2] = cpu_to_le64(adapter->ahw->coal.rx_packets |
+ ((u64) adapter->ahw->coal.rx_time_us) << 16);
+ req.words[5] = cpu_to_le64(adapter->ahw->coal.timer_out |
+ ((u64) adapter->ahw->coal.type) << 32 |
+ ((u64) adapter->ahw->coal.sts_ring_mask) << 40);
rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
if (rv != 0)
dev_err(&adapter->netdev->dev,
"Could not send interrupt coalescing parameters\n");
-
return rv;
}
@@ -1097,20 +1097,6 @@ qlcnic_free_irq(struct qlcnic_adapter *adapter)
}
}
-static void
-qlcnic_init_coalesce_defaults(struct qlcnic_adapter *adapter)
-{
- adapter->coal.flags = QLCNIC_INTR_DEFAULT;
- adapter->coal.normal.data.rx_time_us =
- QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
- adapter->coal.normal.data.rx_packets =
- QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
- adapter->coal.normal.data.tx_time_us =
- QLCNIC_DEFAULT_INTR_COALESCE_TX_TIME_US;
- adapter->coal.normal.data.tx_packets =
- QLCNIC_DEFAULT_INTR_COALESCE_TX_PACKETS;
-}
-
static int
__qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
{
@@ -1244,8 +1230,6 @@ qlcnic_attach(struct qlcnic_adapter *adapter)
goto err_out_free_hw;
}
- qlcnic_init_coalesce_defaults(adapter);
-
qlcnic_create_sysfs_entries(adapter);
adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
@@ -1326,7 +1310,12 @@ static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
kfree(adapter->ahw);
adapter->ahw = NULL;
err = -ENOMEM;
+ goto err_out;
}
+ /* Initialize interrupt coalesce parameters */
+ adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
+ adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
+ adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
err_out:
return err;
}
Cleaned up unused code for interrupt coalescence settings Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> --- drivers/net/qlcnic/qlcnic.h | 56 +++++++++++++---------------------- drivers/net/qlcnic/qlcnic_ethtool.c | 30 +++++++------------ drivers/net/qlcnic/qlcnic_hw.c | 20 +++++------- drivers/net/qlcnic/qlcnic_main.c | 21 +++---------- 4 files changed, 46 insertions(+), 81 deletions(-) -- 1.7.4.1 This message and any attached documents contain information from QLogic Corporation or its wholly-owned subsidiaries that may be confidential. If you are not the intended recipient, you may not read, copy, distribute, or use this information. If you have received this transmission in error, please notify the sender immediately by reply e-mail and then delete this message. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html