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-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_adminq.c61
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_adminq.h9
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h4
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_common.c41
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_devids.h55
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_osdep.h2
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_prototype.h6
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_txrx.c293
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_txrx.h41
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_type.h116
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h2
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40evf.h12
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40evf_main.c195
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c64
14 files changed, 515 insertions, 386 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c
index 929d47152bf2..fd123ca60761 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c
@@ -373,7 +373,6 @@ static i40e_status i40e_init_asq(struct i40e_hw *hw)
hw->aq.asq.next_to_use = 0;
hw->aq.asq.next_to_clean = 0;
- hw->aq.asq.count = hw->aq.num_asq_entries;
/* allocate the ring memory */
ret_code = i40e_alloc_adminq_asq_ring(hw);
@@ -391,6 +390,7 @@ static i40e_status i40e_init_asq(struct i40e_hw *hw)
goto init_adminq_free_rings;
/* success! */
+ hw->aq.asq.count = hw->aq.num_asq_entries;
goto init_adminq_exit;
init_adminq_free_rings:
@@ -432,7 +432,6 @@ static i40e_status i40e_init_arq(struct i40e_hw *hw)
hw->aq.arq.next_to_use = 0;
hw->aq.arq.next_to_clean = 0;
- hw->aq.arq.count = hw->aq.num_arq_entries;
/* allocate the ring memory */
ret_code = i40e_alloc_adminq_arq_ring(hw);
@@ -450,6 +449,7 @@ static i40e_status i40e_init_arq(struct i40e_hw *hw)
goto init_adminq_free_rings;
/* success! */
+ hw->aq.arq.count = hw->aq.num_arq_entries;
goto init_adminq_exit;
init_adminq_free_rings:
@@ -469,8 +469,12 @@ static i40e_status i40e_shutdown_asq(struct i40e_hw *hw)
{
i40e_status ret_code = 0;
- if (hw->aq.asq.count == 0)
- return I40E_ERR_NOT_READY;
+ mutex_lock(&hw->aq.asq_mutex);
+
+ if (hw->aq.asq.count == 0) {
+ ret_code = I40E_ERR_NOT_READY;
+ goto shutdown_asq_out;
+ }
/* Stop firmware AdminQ processing */
wr32(hw, hw->aq.asq.head, 0);
@@ -479,16 +483,13 @@ static i40e_status i40e_shutdown_asq(struct i40e_hw *hw)
wr32(hw, hw->aq.asq.bal, 0);
wr32(hw, hw->aq.asq.bah, 0);
- /* make sure lock is available */
- mutex_lock(&hw->aq.asq_mutex);
-
hw->aq.asq.count = 0; /* to indicate uninitialized queue */
/* free ring buffers */
i40e_free_asq_bufs(hw);
+shutdown_asq_out:
mutex_unlock(&hw->aq.asq_mutex);
-
return ret_code;
}
@@ -502,8 +503,12 @@ static i40e_status i40e_shutdown_arq(struct i40e_hw *hw)
{
i40e_status ret_code = 0;
- if (hw->aq.arq.count == 0)
- return I40E_ERR_NOT_READY;
+ mutex_lock(&hw->aq.arq_mutex);
+
+ if (hw->aq.arq.count == 0) {
+ ret_code = I40E_ERR_NOT_READY;
+ goto shutdown_arq_out;
+ }
/* Stop firmware AdminQ processing */
wr32(hw, hw->aq.arq.head, 0);
@@ -512,16 +517,13 @@ static i40e_status i40e_shutdown_arq(struct i40e_hw *hw)
wr32(hw, hw->aq.arq.bal, 0);
wr32(hw, hw->aq.arq.bah, 0);
- /* make sure lock is available */
- mutex_lock(&hw->aq.arq_mutex);
-
hw->aq.arq.count = 0; /* to indicate uninitialized queue */
/* free ring buffers */
i40e_free_arq_bufs(hw);
+shutdown_arq_out:
mutex_unlock(&hw->aq.arq_mutex);
-
return ret_code;
}
@@ -596,6 +598,9 @@ i40e_status i40evf_shutdown_adminq(struct i40e_hw *hw)
/* destroy the locks */
+ if (hw->nvm_buff.va)
+ i40e_free_virt_mem(hw, &hw->nvm_buff);
+
return ret_code;
}
@@ -617,8 +622,7 @@ static u16 i40e_clean_asq(struct i40e_hw *hw)
details = I40E_ADMINQ_DETAILS(*asq, ntc);
while (rd32(hw, hw->aq.asq.head) != ntc) {
i40e_debug(hw, I40E_DEBUG_AQ_MESSAGE,
- "%s: ntc %d head %d.\n", __func__, ntc,
- rd32(hw, hw->aq.asq.head));
+ "ntc %d head %d.\n", ntc, rd32(hw, hw->aq.asq.head));
if (details->callback) {
I40E_ADMINQ_CALLBACK cb_func =
@@ -682,19 +686,23 @@ i40e_status i40evf_asq_send_command(struct i40e_hw *hw,
u16 retval = 0;
u32 val = 0;
- val = rd32(hw, hw->aq.asq.head);
- if (val >= hw->aq.num_asq_entries) {
+ mutex_lock(&hw->aq.asq_mutex);
+
+ if (hw->aq.asq.count == 0) {
i40e_debug(hw, I40E_DEBUG_AQ_MESSAGE,
- "AQTX: head overrun at %d\n", val);
+ "AQTX: Admin queue not initialized.\n");
status = I40E_ERR_QUEUE_EMPTY;
- goto asq_send_command_exit;
+ goto asq_send_command_error;
}
- if (hw->aq.asq.count == 0) {
+ hw->aq.asq_last_status = I40E_AQ_RC_OK;
+
+ val = rd32(hw, hw->aq.asq.head);
+ if (val >= hw->aq.num_asq_entries) {
i40e_debug(hw, I40E_DEBUG_AQ_MESSAGE,
- "AQTX: Admin queue not initialized.\n");
+ "AQTX: head overrun at %d\n", val);
status = I40E_ERR_QUEUE_EMPTY;
- goto asq_send_command_exit;
+ goto asq_send_command_error;
}
details = I40E_ADMINQ_DETAILS(hw->aq.asq, hw->aq.asq.next_to_use);
@@ -719,8 +727,6 @@ i40e_status i40evf_asq_send_command(struct i40e_hw *hw,
desc->flags &= ~cpu_to_le16(details->flags_dis);
desc->flags |= cpu_to_le16(details->flags_ena);
- mutex_lock(&hw->aq.asq_mutex);
-
if (buff_size > hw->aq.asq_buf_size) {
i40e_debug(hw,
I40E_DEBUG_AQ_MESSAGE,
@@ -830,6 +836,10 @@ i40e_status i40evf_asq_send_command(struct i40e_hw *hw,
i40evf_debug_aq(hw, I40E_DEBUG_AQ_COMMAND, (void *)desc, buff,
buff_size);
+ /* save writeback aq if requested */
+ if (details->wb_desc)
+ *details->wb_desc = *desc_on_ring;
+
/* update the error if time out occurred */
if ((!cmd_completed) &&
(!details->async && !details->postpone)) {
@@ -841,7 +851,6 @@ i40e_status i40evf_asq_send_command(struct i40e_hw *hw,
asq_send_command_error:
mutex_unlock(&hw->aq.asq_mutex);
-asq_send_command_exit:
return status;
}
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq.h b/drivers/net/ethernet/intel/i40evf/i40e_adminq.h
index ef43d68f67b3..a3eae5d9a2bd 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_adminq.h
+++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq.h
@@ -69,6 +69,7 @@ struct i40e_asq_cmd_details {
u16 flags_dis;
bool async;
bool postpone;
+ struct i40e_aq_desc *wb_desc;
};
#define I40E_ADMINQ_DETAILS(R, i) \
@@ -108,9 +109,10 @@ struct i40e_adminq_info {
/**
* i40e_aq_rc_to_posix - convert errors to user-land codes
- * aq_rc: AdminQ error code to convert
+ * aq_ret: AdminQ handler error code can override aq_rc
+ * aq_rc: AdminQ firmware error code to convert
**/
-static inline int i40e_aq_rc_to_posix(u32 aq_ret, u16 aq_rc)
+static inline int i40e_aq_rc_to_posix(int aq_ret, int aq_rc)
{
int aq_to_posix[] = {
0, /* I40E_AQ_RC_OK */
@@ -142,8 +144,9 @@ static inline int i40e_aq_rc_to_posix(u32 aq_ret, u16 aq_rc)
if (aq_ret == I40E_ERR_ADMIN_QUEUE_TIMEOUT)
return -EAGAIN;
- if (aq_rc >= ARRAY_SIZE(aq_to_posix))
+ if (!((u32)aq_rc < (sizeof(aq_to_posix) / sizeof((aq_to_posix)[0]))))
return -ERANGE;
+
return aq_to_posix[aq_rc];
}
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h
index c8022092d369..fcb9ef34cc7a 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h
+++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h
@@ -1719,11 +1719,13 @@ struct i40e_aqc_get_link_status {
u8 phy_type; /* i40e_aq_phy_type */
u8 link_speed; /* i40e_aq_link_speed */
u8 link_info;
-#define I40E_AQ_LINK_UP 0x01
+#define I40E_AQ_LINK_UP 0x01 /* obsolete */
+#define I40E_AQ_LINK_UP_FUNCTION 0x01
#define I40E_AQ_LINK_FAULT 0x02
#define I40E_AQ_LINK_FAULT_TX 0x04
#define I40E_AQ_LINK_FAULT_RX 0x08
#define I40E_AQ_LINK_FAULT_REMOTE 0x10
+#define I40E_AQ_LINK_UP_PORT 0x20
#define I40E_AQ_MEDIA_AVAILABLE 0x40
#define I40E_AQ_SIGNAL_DETECT 0x80
u8 an_info;
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_common.c b/drivers/net/ethernet/intel/i40evf/i40e_common.c
index d45d0ae6bd3b..72b1942a94aa 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_common.c
@@ -51,7 +51,9 @@ i40e_status i40e_set_mac_type(struct i40e_hw *hw)
case I40E_DEV_ID_QSFP_B:
case I40E_DEV_ID_QSFP_C:
case I40E_DEV_ID_10G_BASE_T:
+ case I40E_DEV_ID_10G_BASE_T4:
case I40E_DEV_ID_20G_KR2:
+ case I40E_DEV_ID_20G_KR2_A:
hw->mac.type = I40E_MAC_XL710;
break;
case I40E_DEV_ID_SFP_X722:
@@ -85,7 +87,7 @@ i40e_status i40e_set_mac_type(struct i40e_hw *hw)
* @hw: pointer to the HW structure
* @aq_err: the AQ error code to convert
**/
-char *i40evf_aq_str(struct i40e_hw *hw, enum i40e_admin_queue_err aq_err)
+const char *i40evf_aq_str(struct i40e_hw *hw, enum i40e_admin_queue_err aq_err)
{
switch (aq_err) {
case I40E_AQ_RC_OK:
@@ -145,7 +147,7 @@ char *i40evf_aq_str(struct i40e_hw *hw, enum i40e_admin_queue_err aq_err)
* @hw: pointer to the HW structure
* @stat_err: the status error code to convert
**/
-char *i40evf_stat_str(struct i40e_hw *hw, i40e_status stat_err)
+const char *i40evf_stat_str(struct i40e_hw *hw, i40e_status stat_err)
{
switch (stat_err) {
case 0:
@@ -329,25 +331,11 @@ void i40evf_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
len = buf_len;
/* write the full 16-byte chunks */
for (i = 0; i < (len - 16); i += 16)
- i40e_debug(hw, mask,
- "\t0x%04X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X\n",
- i, buf[i], buf[i + 1], buf[i + 2],
- buf[i + 3], buf[i + 4], buf[i + 5],
- buf[i + 6], buf[i + 7], buf[i + 8],
- buf[i + 9], buf[i + 10], buf[i + 11],
- buf[i + 12], buf[i + 13], buf[i + 14],
- buf[i + 15]);
+ i40e_debug(hw, mask, "\t0x%04X %16ph\n", i, buf + i);
/* write whatever's left over without overrunning the buffer */
- if (i < len) {
- char d_buf[80];
- int j = 0;
-
- memset(d_buf, 0, sizeof(d_buf));
- j += sprintf(d_buf, "\t0x%04X ", i);
- while (i < len)
- j += sprintf(&d_buf[j], " %02X", buf[i++]);
- i40e_debug(hw, mask, "%s\n", d_buf);
- }
+ if (i < len)
+ i40e_debug(hw, mask, "\t0x%04X %*ph\n",
+ i, len - i, buf + i);
}
}
@@ -441,9 +429,6 @@ static i40e_status i40e_aq_get_set_rss_lut(struct i40e_hw *hw,
I40E_AQC_SET_RSS_LUT_TABLE_TYPE_SHIFT) &
I40E_AQC_SET_RSS_LUT_TABLE_TYPE_MASK));
- cmd_resp->addr_high = cpu_to_le32(high_16_bits((u64)lut));
- cmd_resp->addr_low = cpu_to_le32(lower_32_bits((u64)lut));
-
status = i40evf_asq_send_command(hw, &desc, lut, lut_size, NULL);
return status;
@@ -518,8 +503,6 @@ static i40e_status i40e_aq_get_set_rss_key(struct i40e_hw *hw,
I40E_AQC_SET_RSS_KEY_VSI_ID_SHIFT) &
I40E_AQC_SET_RSS_KEY_VSI_ID_MASK));
cmd_resp->vsi_id |= cpu_to_le16((u16)I40E_AQC_SET_RSS_KEY_VSI_VALID);
- cmd_resp->addr_high = cpu_to_le32(high_16_bits((u64)key));
- cmd_resp->addr_low = cpu_to_le32(lower_32_bits((u64)key));
status = i40evf_asq_send_command(hw, &desc, key, key_size, NULL);
@@ -990,10 +973,10 @@ void i40e_vf_parse_hw_config(struct i40e_hw *hw,
I40E_VIRTCHNL_VF_OFFLOAD_FCOE) ? 1 : 0;
for (i = 0; i < msg->num_vsis; i++) {
if (vsi_res->vsi_type == I40E_VSI_SRIOV) {
- memcpy(hw->mac.perm_addr, vsi_res->default_mac_addr,
- ETH_ALEN);
- memcpy(hw->mac.addr, vsi_res->default_mac_addr,
- ETH_ALEN);
+ ether_addr_copy(hw->mac.perm_addr,
+ vsi_res->default_mac_addr);
+ ether_addr_copy(hw->mac.addr,
+ vsi_res->default_mac_addr);
}
vsi_res++;
}
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_devids.h b/drivers/net/ethernet/intel/i40evf/i40e_devids.h
new file mode 100644
index 000000000000..e6a39c9862e8
--- /dev/null
+++ b/drivers/net/ethernet/intel/i40evf/i40e_devids.h
@@ -0,0 +1,55 @@
+/*******************************************************************************
+ *
+ * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
+ * Copyright(c) 2013 - 2015 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Contact Information:
+ * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ ******************************************************************************/
+
+#ifndef _I40E_DEVIDS_H_
+#define _I40E_DEVIDS_H_
+
+/* Device IDs */
+#define I40E_DEV_ID_SFP_XL710 0x1572
+#define I40E_DEV_ID_QEMU 0x1574
+#define I40E_DEV_ID_KX_A 0x157F
+#define I40E_DEV_ID_KX_B 0x1580
+#define I40E_DEV_ID_KX_C 0x1581
+#define I40E_DEV_ID_QSFP_A 0x1583
+#define I40E_DEV_ID_QSFP_B 0x1584
+#define I40E_DEV_ID_QSFP_C 0x1585
+#define I40E_DEV_ID_10G_BASE_T 0x1586
+#define I40E_DEV_ID_20G_KR2 0x1587
+#define I40E_DEV_ID_20G_KR2_A 0x1588
+#define I40E_DEV_ID_10G_BASE_T4 0x1589
+#define I40E_DEV_ID_VF 0x154C
+#define I40E_DEV_ID_VF_HV 0x1571
+#define I40E_DEV_ID_SFP_X722 0x37D0
+#define I40E_DEV_ID_1G_BASE_T_X722 0x37D1
+#define I40E_DEV_ID_10G_BASE_T_X722 0x37D2
+#define I40E_DEV_ID_X722_VF 0x37CD
+#define I40E_DEV_ID_X722_VF_HV 0x37D9
+
+#define i40e_is_40G_device(d) ((d) == I40E_DEV_ID_QSFP_A || \
+ (d) == I40E_DEV_ID_QSFP_B || \
+ (d) == I40E_DEV_ID_QSFP_C)
+
+#endif /* _I40E_DEVIDS_H_ */
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_osdep.h b/drivers/net/ethernet/intel/i40evf/i40e_osdep.h
index 21a91b14bf81..5e314fd3c016 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_osdep.h
+++ b/drivers/net/ethernet/intel/i40evf/i40e_osdep.h
@@ -34,7 +34,7 @@
#include <linux/pci.h>
/* get readq/writeq support for 32 bit kernels, use the low-first version */
-#include <asm-generic/io-64-nonatomic-lo-hi.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
/* File to be the magic between shared code and
* actual OS primitives
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_prototype.h b/drivers/net/ethernet/intel/i40evf/i40e_prototype.h
index 55ae4b0f8192..cbd9a1b078ab 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_prototype.h
+++ b/drivers/net/ethernet/intel/i40evf/i40e_prototype.h
@@ -60,8 +60,8 @@ void i40e_idle_aq(struct i40e_hw *hw);
void i40evf_resume_aq(struct i40e_hw *hw);
bool i40evf_check_asq_alive(struct i40e_hw *hw);
i40e_status i40evf_aq_queue_shutdown(struct i40e_hw *hw, bool unloading);
-char *i40evf_aq_str(struct i40e_hw *hw, enum i40e_admin_queue_err aq_err);
-char *i40evf_stat_str(struct i40e_hw *hw, i40e_status stat_err);
+const char *i40evf_aq_str(struct i40e_hw *hw, enum i40e_admin_queue_err aq_err);
+const char *i40evf_stat_str(struct i40e_hw *hw, i40e_status stat_err);
i40e_status i40evf_aq_get_rss_lut(struct i40e_hw *hw, u16 seid,
bool pf_lut, u8 *lut, u16 lut_size);
@@ -101,4 +101,6 @@ i40e_status i40e_aq_add_rem_control_packet_filter(struct i40e_hw *hw,
u16 vsi_seid, u16 queue, bool is_add,
struct i40e_control_filter_stats *stats,
struct i40e_asq_cmd_details *cmd_details);
+void i40e_add_filter_to_drop_tx_flow_control_frames(struct i40e_hw *hw,
+ u16 vsi_seid);
#endif /* _I40E_PROTOTYPE_H_ */
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
index 7e91d825c760..47e9a90d6b10 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
@@ -140,65 +140,6 @@ static inline u32 i40e_get_head(struct i40e_ring *tx_ring)
return le32_to_cpu(*(volatile __le32 *)head);
}
-/**
- * i40e_get_tx_pending - how many tx descriptors not processed
- * @tx_ring: the ring of descriptors
- *
- * Since there is no access to the ring head register
- * in XL710, we need to use our local copies
- **/
-static u32 i40e_get_tx_pending(struct i40e_ring *ring)
-{
- u32 head, tail;
-
- head = i40e_get_head(ring);
- tail = readl(ring->tail);
-
- if (head != tail)
- return (head < tail) ?
- tail - head : (tail + ring->count - head);
-
- return 0;
-}
-
-/**
- * i40e_check_tx_hang - Is there a hang in the Tx queue
- * @tx_ring: the ring of descriptors
- **/
-static bool i40e_check_tx_hang(struct i40e_ring *tx_ring)
-{
- u32 tx_done = tx_ring->stats.packets;
- u32 tx_done_old = tx_ring->tx_stats.tx_done_old;
- u32 tx_pending = i40e_get_tx_pending(tx_ring);
- bool ret = false;
-
- clear_check_for_tx_hang(tx_ring);
-
- /* Check for a hung queue, but be thorough. This verifies
- * that a transmit has been completed since the previous
- * check AND there is at least one packet pending. The
- * ARMED bit is set to indicate a potential hang. The
- * bit is cleared if a pause frame is received to remove
- * false hang detection due to PFC or 802.3x frames. By
- * requiring this to fail twice we avoid races with
- * PFC clearing the ARMED bit and conditions where we
- * run the check_tx_hang logic with a transmit completion
- * pending but without time to complete it yet.
- */
- if ((tx_done_old == tx_done) && tx_pending) {
- /* make sure it is true for two checks in a row */
- ret = test_and_set_bit(__I40E_HANG_CHECK_ARMED,
- &tx_ring->state);
- } else if (tx_done_old == tx_done &&
- (tx_pending < I40E_MIN_DESC_PENDING) && (tx_pending > 0)) {
- /* update completed stats and disarm the hang check */
- tx_ring->tx_stats.tx_done_old = tx_done;
- clear_bit(__I40E_HANG_CHECK_ARMED, &tx_ring->state);
- }
-
- return ret;
-}
-
#define WB_STRIDE 0x3
/**
@@ -304,36 +245,15 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget)
tx_ring->q_vector->tx.total_bytes += total_bytes;
tx_ring->q_vector->tx.total_packets += total_packets;
+ /* check to see if there are any non-cache aligned descriptors
+ * waiting to be written back, and kick the hardware to force
+ * them to be written back in case of napi polling
+ */
if (budget &&
!((i & WB_STRIDE) == WB_STRIDE) &&
!test_bit(__I40E_DOWN, &tx_ring->vsi->state) &&
(I40E_DESC_UNUSED(tx_ring) != tx_ring->count))
tx_ring->arm_wb = true;
- else
- tx_ring->arm_wb = false;
-
- if (check_for_tx_hang(tx_ring) && i40e_check_tx_hang(tx_ring)) {
- /* schedule immediate reset if we believe we hung */
- dev_info(tx_ring->dev, "Detected Tx Unit Hang\n"
- " VSI <%d>\n"
- " Tx Queue <%d>\n"
- " next_to_use <%x>\n"
- " next_to_clean <%x>\n",
- tx_ring->vsi->seid,
- tx_ring->queue_index,
- tx_ring->next_to_use, i);
-
- netif_stop_subqueue(tx_ring->netdev, tx_ring->queue_index);
-
- dev_info(tx_ring->dev,
- "tx hang detected on queue %d, resetting adapter\n",
- tx_ring->queue_index);
-
- tx_ring->netdev->netdev_ops->ndo_tx_timeout(tx_ring->netdev);
-
- /* the adapter is about to reset, no point in enabling stuff */
- return true;
- }
netdev_tx_completed_queue(netdev_get_tx_queue(tx_ring->netdev,
tx_ring->queue_index),
@@ -355,16 +275,16 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget)
}
}
- return budget > 0;
+ return !!budget;
}
/**
- * i40e_force_wb -Arm hardware to do a wb on noncache aligned descriptors
+ * i40evf_force_wb -Arm hardware to do a wb on noncache aligned descriptors
* @vsi: the VSI we care about
* @q_vector: the vector on which to force writeback
*
**/
-static void i40e_force_wb(struct i40e_vsi *vsi, struct i40e_q_vector *q_vector)
+static void i40evf_force_wb(struct i40e_vsi *vsi, struct i40e_q_vector *q_vector)
{
u16 flags = q_vector->tx.ring[0].flags;
@@ -398,6 +318,8 @@ static void i40e_force_wb(struct i40e_vsi *vsi, struct i40e_q_vector *q_vector)
* i40e_set_new_dynamic_itr - Find new ITR level
* @rc: structure containing ring performance data
*
+ * Returns true if ITR changed, false if not
+ *
* Stores a new ITR value based on packets and byte counts during
* the last interrupt. The advantage of per interrupt computation
* is faster updates and more accurate ITR for the current traffic
@@ -406,21 +328,32 @@ static void i40e_force_wb(struct i40e_vsi *vsi, struct i40e_q_vector *q_vector)
* testing data as well as attempting to minimize response time
* while increasing bulk throughput.
**/
-static void i40e_set_new_dynamic_itr(struct i40e_ring_container *rc)
+static bool i40e_set_new_dynamic_itr(struct i40e_ring_container *rc)
{
enum i40e_latency_range new_latency_range = rc->latency_range;
+ struct i40e_q_vector *qv = rc->ring->q_vector;
u32 new_itr = rc->itr;
int bytes_per_int;
+ int usecs;
if (rc->total_packets == 0 || !rc->itr)
- return;
+ return false;
/* simple throttlerate management
- * 0-10MB/s lowest (100000 ints/s)
+ * 0-10MB/s lowest (50000 ints/s)
* 10-20MB/s low (20000 ints/s)
- * 20-1249MB/s bulk (8000 ints/s)
+ * 20-1249MB/s bulk (18000 ints/s)
+ * > 40000 Rx packets per second (8000 ints/s)
+ *
+ * The math works out because the divisor is in 10^(-6) which
+ * turns the bytes/us input value into MB/s values, but
+ * make sure to use usecs, as the register values written
+ * are in 2 usec increments in the ITR registers, and make sure
+ * to use the smoothed values that the countdown timer gives us.
*/
- bytes_per_int = rc->total_bytes / rc->itr;
+ usecs = (rc->itr << 1) * ITR_COUNTDOWN_START;
+ bytes_per_int = rc->total_bytes / usecs;
+
switch (new_latency_range) {
case I40E_LOWEST_LATENCY:
if (bytes_per_int > 10)
@@ -433,35 +366,52 @@ static void i40e_set_new_dynamic_itr(struct i40e_ring_container *rc)
new_latency_range = I40E_LOWEST_LATENCY;
break;
case I40E_BULK_LATENCY:
- if (bytes_per_int <= 20)
- new_latency_range = I40E_LOW_LATENCY;
- break;
+ case I40E_ULTRA_LATENCY:
default:
if (bytes_per_int <= 20)
new_latency_range = I40E_LOW_LATENCY;
break;
}
+
+ /* this is to adjust RX more aggressively when streaming small
+ * packets. The value of 40000 was picked as it is just beyond
+ * what the hardware can receive per second if in low latency
+ * mode.
+ */
+#define RX_ULTRA_PACKET_RATE 40000
+
+ if ((((rc->total_packets * 1000000) / usecs) > RX_ULTRA_PACKET_RATE) &&
+ (&qv->rx == rc))
+ new_latency_range = I40E_ULTRA_LATENCY;
+
rc->latency_range = new_latency_range;
switch (new_latency_range) {
case I40E_LOWEST_LATENCY:
- new_itr = I40E_ITR_100K;
+ new_itr = I40E_ITR_50K;
break;
case I40E_LOW_LATENCY:
new_itr = I40E_ITR_20K;
break;
case I40E_BULK_LATENCY:
+ new_itr = I40E_ITR_18K;
+ break;
+ case I40E_ULTRA_LATENCY:
new_itr = I40E_ITR_8K;
break;
default:
break;
}
- if (new_itr != rc->itr)
- rc->itr = new_itr;
-
rc->total_bytes = 0;
rc->total_packets = 0;
+
+ if (new_itr != rc->itr) {
+ rc->itr = new_itr;
+ return true;
+ }
+
+ return false;
}
/*
@@ -822,16 +772,11 @@ static void i40e_receive_skb(struct i40e_ring *rx_ring,
struct sk_buff *skb, u16 vlan_tag)
{
struct i40e_q_vector *q_vector = rx_ring->q_vector;
- struct i40e_vsi *vsi = rx_ring->vsi;
- u64 flags = vsi->back->flags;
if (vlan_tag & VLAN_VID_MASK)
__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tag);
- if (flags & I40E_FLAG_IN_NETPOLL)
- netif_rx(skb);
- else
- napi_gro_receive(&q_vector->napi, skb);
+ napi_gro_receive(&q_vector->napi, skb);
}
/**
@@ -997,7 +942,7 @@ static int i40e_clean_rx_irq_ps(struct i40e_ring *rx_ring, int budget)
unsigned int total_rx_bytes = 0, total_rx_packets = 0;
u16 rx_packet_len, rx_header_len, rx_sph, rx_hbo;
u16 cleaned_count = I40E_DESC_UNUSED(rx_ring);
- const int current_node = numa_node_id();
+ const int current_node = numa_mem_id();
struct i40e_vsi *vsi = rx_ring->vsi;
u16 i = rx_ring->next_to_clean;
union i40e_rx_desc *rx_desc;
@@ -1067,6 +1012,7 @@ static int i40e_clean_rx_irq_ps(struct i40e_ring *rx_ring, int budget)
cleaned_count++;
if (rx_hbo || rx_sph) {
int len;
+
if (rx_hbo)
len = I40E_RX_HDR_SIZE;
else
@@ -1240,9 +1186,6 @@ static int i40e_clean_rx_irq_1buf(struct i40e_ring *rx_ring, int budget)
/* ERR_MASK will only have valid bits if EOP set */
if (unlikely(rx_error & BIT(I40E_RX_DESC_ERROR_RXE_SHIFT))) {
dev_kfree_skb_any(skb);
- /* TODO: shouldn't we increment a counter indicating the
- * drop?
- */
continue;
}
@@ -1274,6 +1217,21 @@ static int i40e_clean_rx_irq_1buf(struct i40e_ring *rx_ring, int budget)
return total_rx_packets;
}
+static u32 i40e_buildreg_itr(const int type, const u16 itr)
+{
+ u32 val;
+
+ val = I40E_VFINT_DYN_CTLN1_INTENA_MASK |
+ I40E_VFINT_DYN_CTLN1_CLEARPBA_MASK |
+ (type << I40E_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) |
+ (itr << I40E_VFINT_DYN_CTLN1_INTERVAL_SHIFT);
+
+ return val;
+}
+
+/* a small macro to shorten up some long lines */
+#define INTREG I40E_VFINT_DYN_CTLN1
+
/**
* i40e_update_enable_itr - Update itr and re-enable MSIX interrupt
* @vsi: the VSI we care about
@@ -1284,55 +1242,67 @@ static inline void i40e_update_enable_itr(struct i40e_vsi *vsi,
struct i40e_q_vector *q_vector)
{
struct i40e_hw *hw = &vsi->back->hw;
- u16 old_itr;
+ bool rx = false, tx = false;
+ u32 rxval, txval;
int vector;
- u32 val;
vector = (q_vector->v_idx + vsi->base_vector);
+
+ /* avoid dynamic calculation if in countdown mode OR if
+ * all dynamic is disabled
+ */
+ rxval = txval = i40e_buildreg_itr(I40E_ITR_NONE, 0);
+
+ if (q_vector->itr_countdown > 0 ||
+ (!ITR_IS_DYNAMIC(vsi->rx_itr_setting) &&
+ !ITR_IS_DYNAMIC(vsi->tx_itr_setting))) {
+ goto enable_int;
+ }
+
if (ITR_IS_DYNAMIC(vsi->rx_itr_setting)) {
- old_itr = q_vector->rx.itr;
- i40e_set_new_dynamic_itr(&q_vector->rx);
- if (old_itr != q_vector->rx.itr) {
- val = I40E_VFINT_DYN_CTLN1_INTENA_MASK |
- I40E_VFINT_DYN_CTLN1_CLEARPBA_MASK |
- (I40E_RX_ITR <<
- I40E_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) |
- (q_vector->rx.itr <<
- I40E_VFINT_DYN_CTLN1_INTERVAL_SHIFT);
- } else {
- val = I40E_VFINT_DYN_CTLN1_INTENA_MASK |
- I40E_VFINT_DYN_CTLN1_CLEARPBA_MASK |
- (I40E_ITR_NONE <<
- I40E_VFINT_DYN_CTLN1_ITR_INDX_SHIFT);
- }
- if (!test_bit(__I40E_DOWN, &vsi->state))
- wr32(hw, I40E_VFINT_DYN_CTLN1(vector - 1), val);
- } else {
- i40evf_irq_enable_queues(vsi->back, 1
- << q_vector->v_idx);
+ rx = i40e_set_new_dynamic_itr(&q_vector->rx);
+ rxval = i40e_buildreg_itr(I40E_RX_ITR, q_vector->rx.itr);
}
if (ITR_IS_DYNAMIC(vsi->tx_itr_setting)) {
- old_itr = q_vector->tx.itr;
- i40e_set_new_dynamic_itr(&q_vector->tx);
- if (old_itr != q_vector->tx.itr) {
- val = I40E_VFINT_DYN_CTLN1_INTENA_MASK |
- I40E_VFINT_DYN_CTLN1_CLEARPBA_MASK |
- (I40E_TX_ITR <<
- I40E_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) |
- (q_vector->tx.itr <<
- I40E_VFINT_DYN_CTLN1_INTERVAL_SHIFT);
+ tx = i40e_set_new_dynamic_itr(&q_vector->tx);
+ txval = i40e_buildreg_itr(I40E_TX_ITR, q_vector->tx.itr);
+ }
+ if (rx || tx) {
+ /* get the higher of the two ITR adjustments and
+ * use the same value for both ITR registers
+ * when in adaptive mode (Rx and/or Tx)
+ */
+ u16 itr = max(q_vector->tx.itr, q_vector->rx.itr);
- } else {
- val = I40E_VFINT_DYN_CTLN1_INTENA_MASK |
- I40E_VFINT_DYN_CTLN1_CLEARPBA_MASK |
- (I40E_ITR_NONE <<
- I40E_VFINT_DYN_CTLN1_ITR_INDX_SHIFT);
- }
- if (!test_bit(__I40E_DOWN, &vsi->state))
- wr32(hw, I40E_VFINT_DYN_CTLN1(vector - 1), val);
- } else {
- i40evf_irq_enable_queues(vsi->back, BIT(q_vector->v_idx));
+ q_vector->tx.itr = q_vector->rx.itr = itr;
+ txval = i40e_buildreg_itr(I40E_TX_ITR, itr);
+ tx = true;
+ rxval = i40e_buildreg_itr(I40E_RX_ITR, itr);
+ rx = true;
}
+
+ /* only need to enable the interrupt once, but need
+ * to possibly update both ITR values
+ */
+ if (rx) {
+ /* set the INTENA_MSK_MASK so that this first write
+ * won't actually enable the interrupt, instead just
+ * updating the ITR (it's bit 31 PF and VF)
+ */
+ rxval |= BIT(31);
+ /* don't check _DOWN because interrupt isn't being enabled */
+ wr32(hw, INTREG(vector - 1), rxval);
+ }
+
+enable_int:
+ if (!test_bit(__I40E_DOWN, &vsi->state))
+ wr32(hw, INTREG(vector - 1), txval);
+
+ if (q_vector->itr_countdown)
+ q_vector->itr_countdown--;
+ else
+ q_vector->itr_countdown = ITR_COUNTDOWN_START;
+
}
/**
@@ -1353,7 +1323,7 @@ int i40evf_napi_poll(struct napi_struct *napi, int budget)
bool clean_complete = true;
bool arm_wb = false;
int budget_per_ring;
- int cleaned;
+ int work_done = 0;
if (test_bit(__I40E_DOWN, &vsi->state)) {
napi_complete(napi);
@@ -1366,26 +1336,36 @@ int i40evf_napi_poll(struct napi_struct *napi, int budget)
i40e_for_each_ring(ring, q_vector->tx) {
clean_complete &= i40e_clean_tx_irq(ring, vsi->work_limit);
arm_wb |= ring->arm_wb;
+ ring->arm_wb = false;
}
+ /* Handle case where we are called by netpoll with a budget of 0 */
+ if (budget <= 0)
+ goto tx_only;
+
/* We attempt to distribute budget to each Rx queue fairly, but don't
* allow the budget to go below 1 because that would exit polling early.
*/
budget_per_ring = max(budget/q_vector->num_ringpairs, 1);
i40e_for_each_ring(ring, q_vector->rx) {
+ int cleaned;
+
if (ring_is_ps_enabled(ring))
cleaned = i40e_clean_rx_irq_ps(ring, budget_per_ring);
else
cleaned = i40e_clean_rx_irq_1buf(ring, budget_per_ring);
+
+ work_done += cleaned;
/* if we didn't clean as many as budgeted, we must be done */
clean_complete &= (budget_per_ring != cleaned);
}
/* If work not completed, return budget and polling will return */
if (!clean_complete) {
+tx_only:
if (arm_wb)
- i40e_force_wb(vsi, q_vector);
+ i40evf_force_wb(vsi, q_vector);
return budget;
}
@@ -1393,7 +1373,7 @@ int i40evf_napi_poll(struct napi_struct *napi, int budget)
q_vector->arm_wb_state = false;
/* Work is done so exit the polling mode and re-enable the interrupt */
- napi_complete(napi);
+ napi_complete_done(napi, work_done);
i40e_update_enable_itr(vsi, q_vector);
return 0;
}
@@ -1437,6 +1417,7 @@ static inline int i40evf_tx_prepare_vlan_flags(struct sk_buff *skb,
/* else if it is a SW VLAN, check the next protocol and store the tag */
} else if (protocol == htons(ETH_P_8021Q)) {
struct vlan_hdr *vhdr, _vhdr;
+
vhdr = skb_header_pointer(skb, ETH_HLEN, sizeof(_vhdr), &_vhdr);
if (!vhdr)
return -EINVAL;
@@ -1979,6 +1960,7 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb,
u32 td_cmd = 0;
u8 hdr_len = 0;
int tso;
+
if (0 == i40evf_xmit_descriptor_count(skb, tx_ring))
return NETDEV_TX_BUSY;
@@ -2006,10 +1988,11 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb,
else if (tso)
tx_flags |= I40E_TX_FLAGS_TSO;
- if (i40e_chk_linearize(skb, tx_flags))
+ if (i40e_chk_linearize(skb, tx_flags)) {
if (skb_linearize(skb))
goto out_drop;
-
+ tx_ring->tx_stats.tx_linearize++;
+ }
skb_tx_timestamp(skb);
/* always enable CRC insertion offload */
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h
index 9a30f5d8c089..ebc1bf77f036 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h
@@ -32,11 +32,14 @@
#define I40E_MAX_ITR 0x0FF0 /* reg uses 2 usec resolution */
#define I40E_MIN_ITR 0x0001 /* reg uses 2 usec resolution */
#define I40E_ITR_100K 0x0005
+#define I40E_ITR_50K 0x000A
#define I40E_ITR_20K 0x0019
+#define I40E_ITR_18K 0x001B
#define I40E_ITR_8K 0x003E
#define I40E_ITR_4K 0x007A
-#define I40E_ITR_RX_DEF I40E_ITR_8K
-#define I40E_ITR_TX_DEF I40E_ITR_4K
+#define I40E_MAX_INTRL 0x3B /* reg uses 4 usec resolution */
+#define I40E_ITR_RX_DEF I40E_ITR_20K
+#define I40E_ITR_TX_DEF I40E_ITR_20K
#define I40E_ITR_DYNAMIC 0x8000 /* use top bit as a flag */
#define I40E_MIN_INT_RATE 250 /* ~= 1000000 / (I40E_MAX_ITR * 2) */
#define I40E_MAX_INT_RATE 500000 /* == 1000000 / (I40E_MIN_ITR * 2) */
@@ -44,6 +47,15 @@
#define ITR_TO_REG(setting) ((setting & ~I40E_ITR_DYNAMIC) >> 1)
#define ITR_IS_DYNAMIC(setting) (!!(setting & I40E_ITR_DYNAMIC))
#define ITR_REG_TO_USEC(itr_reg) (itr_reg << 1)
+/* 0x40 is the enable bit for interrupt rate limiting, and must be set if
+ * the value of the rate limit is non-zero
+ */
+#define INTRL_ENA BIT(6)
+#define INTRL_REG_TO_USEC(intrl) ((intrl & ~INTRL_ENA) << 2)
+#define INTRL_USEC_TO_REG(set) ((set) ? ((set) >> 2) | INTRL_ENA : 0)
+#define I40E_INTRL_8K 125 /* 8000 ints/sec */
+#define I40E_INTRL_62K 16 /* 62500 ints/sec */
+#define I40E_INTRL_83K 12 /* 83333 ints/sec */
#define I40E_QUEUE_END_OF_LIST 0x7FF
@@ -79,16 +91,16 @@ enum i40e_dyn_idx_t {
BIT_ULL(I40E_FILTER_PCTYPE_L2_PAYLOAD))
#define I40E_DEFAULT_RSS_HENA_EXPANDED (I40E_DEFAULT_RSS_HENA | \
- BIT(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK) | \
- BIT(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) | \
- BIT(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) | \
- BIT(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK) | \
- BIT(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) | \
- BIT(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP))
+ BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK) | \
+ BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) | \
+ BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) | \
+ BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK) | \
+ BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) | \
+ BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP))
#define i40e_pf_get_default_rss_hena(pf) \
(((pf)->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) ? \
- I40E_DEFAULT_RSS_HENA_EXPANDED : I40E_DEFAULT_RSS_HENA)
+ I40E_DEFAULT_RSS_HENA_EXPANDED : I40E_DEFAULT_RSS_HENA)
/* Supported Rx Buffer Sizes */
#define I40E_RXBUFFER_512 512 /* Used for packet split */
@@ -164,6 +176,7 @@ struct i40e_tx_buffer {
};
unsigned int bytecount;
unsigned short gso_segs;
+
DEFINE_DMA_UNMAP_ADDR(dma);
DEFINE_DMA_UNMAP_LEN(len);
u32 tx_flags;
@@ -187,6 +200,7 @@ struct i40e_tx_queue_stats {
u64 restart_queue;
u64 tx_busy;
u64 tx_done_old;
+ u64 tx_linearize;
};
struct i40e_rx_queue_stats {
@@ -198,8 +212,6 @@ struct i40e_rx_queue_stats {
enum i40e_ring_state_t {
__I40E_TX_FDIR_INIT_DONE,
__I40E_TX_XPS_INIT_DONE,
- __I40E_TX_DETECT_HANG,
- __I40E_HANG_CHECK_ARMED,
__I40E_RX_PS_ENABLED,
__I40E_RX_16BYTE_DESC_ENABLED,
};
@@ -210,12 +222,6 @@ enum i40e_ring_state_t {
set_bit(__I40E_RX_PS_ENABLED, &(ring)->state)
#define clear_ring_ps_enabled(ring) \
clear_bit(__I40E_RX_PS_ENABLED, &(ring)->state)
-#define check_for_tx_hang(ring) \
- test_bit(__I40E_TX_DETECT_HANG, &(ring)->state)
-#define set_check_for_tx_hang(ring) \
- set_bit(__I40E_TX_DETECT_HANG, &(ring)->state)
-#define clear_check_for_tx_hang(ring) \
- clear_bit(__I40E_TX_DETECT_HANG, &(ring)->state)
#define ring_is_16byte_desc_enabled(ring) \
test_bit(__I40E_RX_16BYTE_DESC_ENABLED, &(ring)->state)
#define set_ring_16byte_desc_enabled(ring) \
@@ -287,6 +293,7 @@ enum i40e_latency_range {
I40E_LOWEST_LATENCY = 0,
I40E_LOW_LATENCY = 1,
I40E_BULK_LATENCY = 2,
+ I40E_ULTRA_LATENCY = 3,
};
struct i40e_ring_container {
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_type.h b/drivers/net/ethernet/intel/i40evf/i40e_type.h
index 24a2693869a1..301fe2b6dd03 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_type.h
+++ b/drivers/net/ethernet/intel/i40evf/i40e_type.h
@@ -33,29 +33,7 @@
#include "i40e_adminq.h"
#include "i40e_hmc.h"
#include "i40e_lan_hmc.h"
-
-/* Device IDs */
-#define I40E_DEV_ID_SFP_XL710 0x1572
-#define I40E_DEV_ID_QEMU 0x1574
-#define I40E_DEV_ID_KX_A 0x157F
-#define I40E_DEV_ID_KX_B 0x1580
-#define I40E_DEV_ID_KX_C 0x1581
-#define I40E_DEV_ID_QSFP_A 0x1583
-#define I40E_DEV_ID_QSFP_B 0x1584
-#define I40E_DEV_ID_QSFP_C 0x1585
-#define I40E_DEV_ID_10G_BASE_T 0x1586
-#define I40E_DEV_ID_20G_KR2 0x1587
-#define I40E_DEV_ID_VF 0x154C
-#define I40E_DEV_ID_VF_HV 0x1571
-#define I40E_DEV_ID_SFP_X722 0x37D0
-#define I40E_DEV_ID_1G_BASE_T_X722 0x37D1
-#define I40E_DEV_ID_10G_BASE_T_X722 0x37D2
-#define I40E_DEV_ID_X722_VF 0x37CD
-#define I40E_DEV_ID_X722_VF_HV 0x37D9
-
-#define i40e_is_40G_device(d) ((d) == I40E_DEV_ID_QSFP_A || \
- (d) == I40E_DEV_ID_QSFP_B || \
- (d) == I40E_DEV_ID_QSFP_C)
+#include "i40e_devids.h"
/* I40E_MASK is a macro used on 32 bit registers */
#define I40E_MASK(mask, shift) (mask << shift)
@@ -158,14 +136,14 @@ enum i40e_set_fc_aq_failures {
};
enum i40e_vsi_type {
- I40E_VSI_MAIN = 0,
- I40E_VSI_VMDQ1,
- I40E_VSI_VMDQ2,
- I40E_VSI_CTRL,
- I40E_VSI_FCOE,
- I40E_VSI_MIRROR,
- I40E_VSI_SRIOV,
- I40E_VSI_FDIR,
+ I40E_VSI_MAIN = 0,
+ I40E_VSI_VMDQ1 = 1,
+ I40E_VSI_VMDQ2 = 2,
+ I40E_VSI_CTRL = 3,
+ I40E_VSI_FCOE = 4,
+ I40E_VSI_MIRROR = 5,
+ I40E_VSI_SRIOV = 6,
+ I40E_VSI_FDIR = 7,
I40E_VSI_TYPE_UNKNOWN
};
@@ -189,16 +167,65 @@ struct i40e_link_status {
bool crc_enable;
u8 pacing;
u8 requested_speeds;
+ u8 module_type[3];
+ /* 1st byte: module identifier */
+#define I40E_MODULE_TYPE_SFP 0x03
+#define I40E_MODULE_TYPE_QSFP 0x0D
+ /* 2nd byte: ethernet compliance codes for 10/40G */
+#define I40E_MODULE_TYPE_40G_ACTIVE 0x01
+#define I40E_MODULE_TYPE_40G_LR4 0x02
+#define I40E_MODULE_TYPE_40G_SR4 0x04
+#define I40E_MODULE_TYPE_40G_CR4 0x08
+#define I40E_MODULE_TYPE_10G_BASE_SR 0x10
+#define I40E_MODULE_TYPE_10G_BASE_LR 0x20
+#define I40E_MODULE_TYPE_10G_BASE_LRM 0x40
+#define I40E_MODULE_TYPE_10G_BASE_ER 0x80
+ /* 3rd byte: ethernet compliance codes for 1G */
+#define I40E_MODULE_TYPE_1000BASE_SX 0x01
+#define I40E_MODULE_TYPE_1000BASE_LX 0x02
+#define I40E_MODULE_TYPE_1000BASE_CX 0x04
+#define I40E_MODULE_TYPE_1000BASE_T 0x08
+};
+
+enum i40e_aq_capabilities_phy_type {
+ I40E_CAP_PHY_TYPE_SGMII = BIT(I40E_PHY_TYPE_SGMII),
+ I40E_CAP_PHY_TYPE_1000BASE_KX = BIT(I40E_PHY_TYPE_1000BASE_KX),
+ I40E_CAP_PHY_TYPE_10GBASE_KX4 = BIT(I40E_PHY_TYPE_10GBASE_KX4),
+ I40E_CAP_PHY_TYPE_10GBASE_KR = BIT(I40E_PHY_TYPE_10GBASE_KR),
+ I40E_CAP_PHY_TYPE_40GBASE_KR4 = BIT(I40E_PHY_TYPE_40GBASE_KR4),
+ I40E_CAP_PHY_TYPE_XAUI = BIT(I40E_PHY_TYPE_XAUI),
+ I40E_CAP_PHY_TYPE_XFI = BIT(I40E_PHY_TYPE_XFI),
+ I40E_CAP_PHY_TYPE_SFI = BIT(I40E_PHY_TYPE_SFI),
+ I40E_CAP_PHY_TYPE_XLAUI = BIT(I40E_PHY_TYPE_XLAUI),
+ I40E_CAP_PHY_TYPE_XLPPI = BIT(I40E_PHY_TYPE_XLPPI),
+ I40E_CAP_PHY_TYPE_40GBASE_CR4_CU = BIT(I40E_PHY_TYPE_40GBASE_CR4_CU),
+ I40E_CAP_PHY_TYPE_10GBASE_CR1_CU = BIT(I40E_PHY_TYPE_10GBASE_CR1_CU),
+ I40E_CAP_PHY_TYPE_10GBASE_AOC = BIT(I40E_PHY_TYPE_10GBASE_AOC),
+ I40E_CAP_PHY_TYPE_40GBASE_AOC = BIT(I40E_PHY_TYPE_40GBASE_AOC),
+ I40E_CAP_PHY_TYPE_100BASE_TX = BIT(I40E_PHY_TYPE_100BASE_TX),
+ I40E_CAP_PHY_TYPE_1000BASE_T = BIT(I40E_PHY_TYPE_1000BASE_T),
+ I40E_CAP_PHY_TYPE_10GBASE_T = BIT(I40E_PHY_TYPE_10GBASE_T),
+ I40E_CAP_PHY_TYPE_10GBASE_SR = BIT(I40E_PHY_TYPE_10GBASE_SR),
+ I40E_CAP_PHY_TYPE_10GBASE_LR = BIT(I40E_PHY_TYPE_10GBASE_LR),
+ I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU = BIT(I40E_PHY_TYPE_10GBASE_SFPP_CU),
+ I40E_CAP_PHY_TYPE_10GBASE_CR1 = BIT(I40E_PHY_TYPE_10GBASE_CR1),
+ I40E_CAP_PHY_TYPE_40GBASE_CR4 = BIT(I40E_PHY_TYPE_40GBASE_CR4),
+ I40E_CAP_PHY_TYPE_40GBASE_SR4 = BIT(I40E_PHY_TYPE_40GBASE_SR4),
+ I40E_CAP_PHY_TYPE_40GBASE_LR4 = BIT(I40E_PHY_TYPE_40GBASE_LR4),
+ I40E_CAP_PHY_TYPE_1000BASE_SX = BIT(I40E_PHY_TYPE_1000BASE_SX),
+ I40E_CAP_PHY_TYPE_1000BASE_LX = BIT(I40E_PHY_TYPE_1000BASE_LX),
+ I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL =
+ BIT(I40E_PHY_TYPE_1000BASE_T_OPTICAL),
+ I40E_CAP_PHY_TYPE_20GBASE_KR2 = BIT(I40E_PHY_TYPE_20GBASE_KR2)
};
struct i40e_phy_info {
struct i40e_link_status link_info;
struct i40e_link_status link_info_old;
- u32 autoneg_advertised;
- u32 phy_id;
- u32 module_type;
bool get_link_info;
enum i40e_media_type media_type;
+ /* all the phy types the NVM is capable of */
+ enum i40e_aq_capabilities_phy_type phy_types;
};
#define I40E_HW_CAP_MAX_GPIO 30
@@ -286,6 +313,7 @@ struct i40e_nvm_info {
bool blank_nvm_mode; /* is NVM empty (no FW present)*/
u16 version; /* NVM package version */
u32 eetrack; /* NVM data version */
+ u32 oem_ver; /* OEM version info */
};
/* definitions used in NVM update support */
@@ -304,12 +332,17 @@ enum i40e_nvmupd_cmd {
I40E_NVMUPD_CSUM_CON,
I40E_NVMUPD_CSUM_SA,
I40E_NVMUPD_CSUM_LCB,
+ I40E_NVMUPD_STATUS,
+ I40E_NVMUPD_EXEC_AQ,
+ I40E_NVMUPD_GET_AQ_RESULT,
};
enum i40e_nvmupd_state {
I40E_NVMUPD_STATE_INIT,
I40E_NVMUPD_STATE_READING,
- I40E_NVMUPD_STATE_WRITING
+ I40E_NVMUPD_STATE_WRITING,
+ I40E_NVMUPD_STATE_INIT_WAIT,
+ I40E_NVMUPD_STATE_WRITE_WAIT,
};
/* nvm_access definition and its masks/shifts need to be accessible to
@@ -328,6 +361,7 @@ enum i40e_nvmupd_state {
#define I40E_NVM_SA (I40E_NVM_SNT | I40E_NVM_LCB)
#define I40E_NVM_ERA 0x4
#define I40E_NVM_CSUM 0x8
+#define I40E_NVM_EXEC 0xf
#define I40E_NVM_ADAPT_SHIFT 16
#define I40E_NVM_ADAPT_MASK (0xffff << I40E_NVM_ADAPT_SHIFT)
@@ -486,6 +520,8 @@ struct i40e_hw {
/* state of nvm update process */
enum i40e_nvmupd_state nvmupd_state;
+ struct i40e_aq_desc nvm_wb_desc;
+ struct i40e_virt_mem nvm_buff;
/* HMC info */
struct i40e_hmc_info hmc; /* HMC info struct */
@@ -494,8 +530,9 @@ struct i40e_hw {
u16 dcbx_status;
/* DCBX info */
- struct i40e_dcbx_config local_dcbx_config;
- struct i40e_dcbx_config remote_dcbx_config;
+ struct i40e_dcbx_config local_dcbx_config; /* Oper/Local Cfg */
+ struct i40e_dcbx_config remote_dcbx_config; /* Peer Cfg */
+ struct i40e_dcbx_config desired_dcbx_config; /* CEE Desired Cfg */
/* debug mask */
u32 debug_mask;
@@ -1018,8 +1055,8 @@ enum i40e_filter_program_desc_fd_status {
};
#define I40E_TXD_FLTR_QW0_DEST_VSI_SHIFT 23
-#define I40E_TXD_FLTR_QW0_DEST_VSI_MASK \
- BIT_ULL(I40E_TXD_FLTR_QW0_DEST_VSI_SHIFT)
+#define I40E_TXD_FLTR_QW0_DEST_VSI_MASK (0x1FFUL << \
+ I40E_TXD_FLTR_QW0_DEST_VSI_SHIFT)
#define I40E_TXD_FLTR_QW1_CMD_SHIFT 4
#define I40E_TXD_FLTR_QW1_CMD_MASK (0xFFFFULL << \
@@ -1162,6 +1199,7 @@ struct i40e_hw_port_stats {
/* Checksum and Shadow RAM pointers */
#define I40E_SR_NVM_CONTROL_WORD 0x00
#define I40E_SR_EMP_MODULE_PTR 0x0F
+#define I40E_NVM_OEM_VER_OFF 0x83
#define I40E_SR_NVM_DEV_STARTER_VERSION 0x18
#define I40E_SR_NVM_WAKE_ON_LAN 0x19
#define I40E_SR_ALTERNATE_SAN_MAC_ADDRESS_PTR 0x27
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h b/drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h
index e6db20e8a395..9f7b279b9d9c 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h
+++ b/drivers/net/ethernet/intel/i40evf/i40e_virtchnl.h
@@ -81,7 +81,6 @@ enum i40e_virtchnl_ops {
I40E_VIRTCHNL_OP_GET_STATS = 15,
I40E_VIRTCHNL_OP_FCOE = 16,
I40E_VIRTCHNL_OP_EVENT = 17,
- I40E_VIRTCHNL_OP_CONFIG_RSS = 18,
};
/* Virtual channel message descriptor. This overlays the admin queue
@@ -151,6 +150,7 @@ struct i40e_virtchnl_vsi_resource {
#define I40E_VIRTCHNL_VF_OFFLOAD_FCOE 0x00000004
#define I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ 0x00000008
#define I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG 0x00000010
+#define I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR 0x00000020
#define I40E_VIRTCHNL_VF_OFFLOAD_VLAN 0x00010000
#define I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING 0x00020000
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf.h b/drivers/net/ethernet/intel/i40evf/i40evf.h
index 3817cbbf45e6..22fc3d49c4b9 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf.h
+++ b/drivers/net/ethernet/intel/i40evf/i40evf.h
@@ -48,10 +48,6 @@
#define DEFAULT_DEBUG_LEVEL_SHIFT 3
#define PFX "i40evf: "
-#define DPRINTK(nlevel, klevel, fmt, args...) \
- ((void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \
- printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \
- __func__ , ## args)))
/* dummy struct to make common code less painful */
struct i40e_vsi {
@@ -70,6 +66,7 @@ struct i40e_vsi {
*/
u16 rx_itr_setting;
u16 tx_itr_setting;
+ u16 qs_handle;
};
/* How many Rx Buffers do we bundle into one write to the hardware ? */
@@ -90,7 +87,7 @@ struct i40e_vsi {
#define I40EVF_MAX_RXBUFFER 16384 /* largest size for single descriptor */
#define I40EVF_MAX_AQ_BUF_SIZE 4096
#define I40EVF_AQ_LEN 32
-#define I40EVF_AQ_MAX_ERR 10 /* times to try before resetting AQ */
+#define I40EVF_AQ_MAX_ERR 20 /* times to try before resetting AQ */
#define MAXIMUM_ETHERNET_VLAN_SIZE (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
@@ -115,6 +112,8 @@ struct i40e_q_vector {
struct i40e_ring_container tx;
u32 ring_mask;
u8 num_ringpairs; /* total number of ring pairs in vector */
+#define ITR_COUNTDOWN_START 100
+ u8 itr_countdown; /* when 0 or 1 update ITR */
int v_idx; /* vector index in list */
char name[IFNAMSIZ + 9];
bool arm_wb_state;
@@ -214,7 +213,6 @@ struct i40evf_adapter {
#define I40EVF_FLAG_RX_1BUF_CAPABLE BIT(1)
#define I40EVF_FLAG_RX_PS_CAPABLE BIT(2)
#define I40EVF_FLAG_RX_PS_ENABLED BIT(3)
-#define I40EVF_FLAG_IN_NETPOLL BIT(4)
#define I40EVF_FLAG_IMIR_ENABLED BIT(5)
#define I40EVF_FLAG_MQ_CAPABLE BIT(6)
#define I40EVF_FLAG_NEED_LINK_UPDATE BIT(7)
@@ -223,10 +221,10 @@ struct i40evf_adapter {
#define I40EVF_FLAG_RESET_NEEDED BIT(10)
#define I40EVF_FLAG_WB_ON_ITR_CAPABLE BIT(11)
#define I40EVF_FLAG_OUTER_UDP_CSUM_CAPABLE BIT(12)
+#define I40EVF_FLAG_ADDR_SET_BY_PF BIT(13)
/* duplicates for common code */
#define I40E_FLAG_FDIR_ATR_ENABLED 0
#define I40E_FLAG_DCB_ENABLED 0
-#define I40E_FLAG_IN_NETPOLL I40EVF_FLAG_IN_NETPOLL
#define I40E_FLAG_RX_CSUM_ENABLED I40EVF_FLAG_RX_CSUM_ENABLED
#define I40E_FLAG_WB_ON_ITR_CAPABLE I40EVF_FLAG_WB_ON_ITR_CAPABLE
#define I40E_FLAG_OUTER_UDP_CSUM_CAPABLE I40EVF_FLAG_OUTER_UDP_CSUM_CAPABLE
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
index e85849b9ff98..d962164dfb0f 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
@@ -34,7 +34,7 @@ char i40evf_driver_name[] = "i40evf";
static const char i40evf_driver_string[] =
"Intel(R) XL710/X710 Virtual Function Network Driver";
-#define DRV_VERSION "1.3.5"
+#define DRV_VERSION "1.3.33"
const char i40evf_driver_version[] = DRV_VERSION;
static const char i40evf_copyright[] =
"Copyright (c) 2013 - 2015 Intel Corporation.";
@@ -282,6 +282,7 @@ static void i40evf_fire_sw_int(struct i40evf_adapter *adapter, u32 mask)
/**
* i40evf_irq_enable - Enable default interrupt generation settings
* @adapter: board private structure
+ * @flush: boolean value whether to run rd32()
**/
void i40evf_irq_enable(struct i40evf_adapter *adapter, bool flush)
{
@@ -305,15 +306,14 @@ static irqreturn_t i40evf_msix_aq(int irq, void *data)
struct i40evf_adapter *adapter = netdev_priv(netdev);
struct i40e_hw *hw = &adapter->hw;
u32 val;
- u32 ena_mask;
/* handle non-queue interrupts */
- val = rd32(hw, I40E_VFINT_ICR01);
- ena_mask = rd32(hw, I40E_VFINT_ICR0_ENA1);
+ rd32(hw, I40E_VFINT_ICR01);
+ rd32(hw, I40E_VFINT_ICR0_ENA1);
- val = rd32(hw, I40E_VFINT_DYN_CTL01);
- val = val | I40E_VFINT_DYN_CTL01_CLEARPBA_MASK;
+ val = rd32(hw, I40E_VFINT_DYN_CTL01) |
+ I40E_VFINT_DYN_CTL01_CLEARPBA_MASK;
wr32(hw, I40E_VFINT_DYN_CTL01, val);
/* schedule work on the private workqueue */
@@ -334,7 +334,7 @@ static irqreturn_t i40evf_msix_clean_rings(int irq, void *data)
if (!q_vector->tx.ring && !q_vector->rx.ring)
return IRQ_HANDLED;
- napi_schedule(&q_vector->napi);
+ napi_schedule_irqoff(&q_vector->napi);
return IRQ_HANDLED;
}
@@ -357,6 +357,7 @@ i40evf_map_vector_to_rxq(struct i40evf_adapter *adapter, int v_idx, int r_idx)
q_vector->rx.ring = rx_ring;
q_vector->rx.count++;
q_vector->rx.latency_range = I40E_LOW_LATENCY;
+ q_vector->itr_countdown = ITR_COUNTDOWN_START;
}
/**
@@ -377,6 +378,7 @@ i40evf_map_vector_to_txq(struct i40evf_adapter *adapter, int v_idx, int t_idx)
q_vector->tx.ring = tx_ring;
q_vector->tx.count++;
q_vector->tx.latency_range = I40E_LOW_LATENCY;
+ q_vector->itr_countdown = ITR_COUNTDOWN_START;
q_vector->num_ringpairs++;
q_vector->ring_mask |= BIT(t_idx);
}
@@ -444,6 +446,29 @@ out:
return err;
}
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/**
+ * i40evf_netpoll - A Polling 'interrupt' handler
+ * @netdev: network interface device structure
+ *
+ * This is used by netconsole to send skbs without having to re-enable
+ * interrupts. It's not called while the normal interrupt routine is executing.
+ **/
+static void i40evf_netpoll(struct net_device *netdev)
+{
+ struct i40evf_adapter *adapter = netdev_priv(netdev);
+ int q_vectors = adapter->num_msix_vectors - NONQ_VECS;
+ int i;
+
+ /* if interface is down do nothing */
+ if (test_bit(__I40E_DOWN, &adapter->vsi.state))
+ return;
+
+ for (i = 0; i < q_vectors; i++)
+ i40evf_msix_clean_rings(0, adapter->q_vector[i]);
+}
+
+#endif
/**
* i40evf_request_traffic_irqs - Initialize MSI-X interrupts
* @adapter: board private structure
@@ -489,8 +514,7 @@ i40evf_request_traffic_irqs(struct i40evf_adapter *adapter, char *basename)
q_vector);
if (err) {
dev_info(&adapter->pdev->dev,
- "%s: request_irq failed, error: %d\n",
- __func__, err);
+ "Request_irq failed, error: %d\n", err);
goto free_queue_irqs;
}
/* assign the mask for this irq */
@@ -731,6 +755,8 @@ static int i40evf_vlan_rx_add_vid(struct net_device *netdev,
{
struct i40evf_adapter *adapter = netdev_priv(netdev);
+ if (!VLAN_ALLOWED(adapter))
+ return -EIO;
if (i40evf_add_vlan(adapter, vid) == NULL)
return -ENOMEM;
return 0;
@@ -746,8 +772,11 @@ static int i40evf_vlan_rx_kill_vid(struct net_device *netdev,
{
struct i40evf_adapter *adapter = netdev_priv(netdev);
- i40evf_del_vlan(adapter, vid);
- return 0;
+ if (VLAN_ALLOWED(adapter)) {
+ i40evf_del_vlan(adapter, vid);
+ return 0;
+ }
+ return -EIO;
}
/**
@@ -837,6 +866,15 @@ static int i40evf_set_mac(struct net_device *netdev, void *p)
if (ether_addr_equal(netdev->dev_addr, addr->sa_data))
return 0;
+ if (adapter->flags & I40EVF_FLAG_ADDR_SET_BY_PF)
+ return -EPERM;
+
+ f = i40evf_find_filter(adapter, hw->mac.addr);
+ if (f) {
+ f->remove = true;
+ adapter->aq_required |= I40EVF_FLAG_AQ_DEL_MAC_FILTER;
+ }
+
f = i40evf_add_filter(adapter, addr->sa_data);
if (f) {
ether_addr_copy(hw->mac.addr, addr->sa_data);
@@ -856,6 +894,7 @@ static void i40evf_set_rx_mode(struct net_device *netdev)
struct i40evf_mac_filter *f, *ftmp;
struct netdev_hw_addr *uca;
struct netdev_hw_addr *mca;
+ struct netdev_hw_addr *ha;
int count = 50;
/* add addr if not already in the filter list */
@@ -877,29 +916,27 @@ static void i40evf_set_rx_mode(struct net_device *netdev)
}
/* remove filter if not in netdev list */
list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) {
- bool found = false;
-
- if (is_multicast_ether_addr(f->macaddr)) {
- netdev_for_each_mc_addr(mca, netdev) {
- if (ether_addr_equal(mca->addr, f->macaddr)) {
- found = true;
- break;
- }
- }
- } else {
- netdev_for_each_uc_addr(uca, netdev) {
- if (ether_addr_equal(uca->addr, f->macaddr)) {
- found = true;
- break;
- }
- }
- if (ether_addr_equal(f->macaddr, adapter->hw.mac.addr))
- found = true;
- }
- if (!found) {
- f->remove = true;
- adapter->aq_required |= I40EVF_FLAG_AQ_DEL_MAC_FILTER;
- }
+ netdev_for_each_mc_addr(mca, netdev)
+ if (ether_addr_equal(mca->addr, f->macaddr))
+ goto bottom_of_search_loop;
+
+ netdev_for_each_uc_addr(uca, netdev)
+ if (ether_addr_equal(uca->addr, f->macaddr))
+ goto bottom_of_search_loop;
+
+ for_each_dev_addr(netdev, ha)
+ if (ether_addr_equal(ha->addr, f->macaddr))
+ goto bottom_of_search_loop;
+
+ if (ether_addr_equal(f->macaddr, adapter->hw.mac.addr))
+ goto bottom_of_search_loop;
+
+ /* f->macaddr wasn't found in uc, mc, or ha list so delete it */
+ f->remove = true;
+ adapter->aq_required |= I40EVF_FLAG_AQ_DEL_MAC_FILTER;
+
+bottom_of_search_loop:
+ continue;
}
clear_bit(__I40EVF_IN_CRITICAL_TASK, &adapter->crit_section);
}
@@ -1111,6 +1148,8 @@ static int i40evf_alloc_queues(struct i40evf_adapter *adapter)
tx_ring->netdev = adapter->netdev;
tx_ring->dev = &adapter->pdev->dev;
tx_ring->count = adapter->tx_desc_count;
+ if (adapter->flags & I40E_FLAG_WB_ON_ITR_CAPABLE)
+ tx_ring->flags |= I40E_TXR_FLAGS_WB_ON_ITR;
adapter->tx_rings[i] = tx_ring;
rx_ring = &tx_ring[1];
@@ -1165,7 +1204,7 @@ static int i40evf_set_interrupt_capability(struct i40evf_adapter *adapter)
for (vector = 0; vector < v_budget; vector++)
adapter->msix_entries[vector].entry = vector;
- i40evf_acquire_msix_vectors(adapter, v_budget);
+ err = i40evf_acquire_msix_vectors(adapter, v_budget);
out:
adapter->netdev->real_num_tx_queues = pairs;
@@ -1421,16 +1460,16 @@ static void i40evf_watchdog_task(struct work_struct *work)
struct i40evf_adapter,
watchdog_task);
struct i40e_hw *hw = &adapter->hw;
- uint32_t rstat_val;
+ u32 reg_val;
if (test_and_set_bit(__I40EVF_IN_CRITICAL_TASK, &adapter->crit_section))
goto restart_watchdog;
if (adapter->flags & I40EVF_FLAG_PF_COMMS_FAILED) {
- rstat_val = rd32(hw, I40E_VFGEN_RSTAT) &
- I40E_VFGEN_RSTAT_VFR_STATE_MASK;
- if ((rstat_val == I40E_VFR_VFACTIVE) ||
- (rstat_val == I40E_VFR_COMPLETED)) {
+ reg_val = rd32(hw, I40E_VFGEN_RSTAT) &
+ I40E_VFGEN_RSTAT_VFR_STATE_MASK;
+ if ((reg_val == I40E_VFR_VFACTIVE) ||
+ (reg_val == I40E_VFR_COMPLETED)) {
/* A chance for redemption! */
dev_err(&adapter->pdev->dev, "Hardware came out of reset. Attempting reinit.\n");
adapter->state = __I40EVF_STARTUP;
@@ -1455,11 +1494,8 @@ static void i40evf_watchdog_task(struct work_struct *work)
goto watchdog_done;
/* check for reset */
- rstat_val = rd32(hw, I40E_VFGEN_RSTAT) &
- I40E_VFGEN_RSTAT_VFR_STATE_MASK;
- if (!(adapter->flags & I40EVF_FLAG_RESET_PENDING) &&
- (rstat_val != I40E_VFR_VFACTIVE) &&
- (rstat_val != I40E_VFR_COMPLETED)) {
+ reg_val = rd32(hw, I40E_VF_ARQLEN1) & I40E_VF_ARQLEN1_ARQENABLE_MASK;
+ if (!(adapter->flags & I40EVF_FLAG_RESET_PENDING) && !reg_val) {
adapter->state = __I40EVF_RESETTING;
adapter->flags |= I40EVF_FLAG_RESET_PENDING;
dev_err(&adapter->pdev->dev, "Hardware reset detected\n");
@@ -1573,8 +1609,9 @@ static void i40evf_reset_task(struct work_struct *work)
reset_task);
struct net_device *netdev = adapter->netdev;
struct i40e_hw *hw = &adapter->hw;
+ struct i40evf_vlan_filter *vlf;
struct i40evf_mac_filter *f;
- uint32_t rstat_val;
+ u32 reg_val;
int i = 0, err;
while (test_and_set_bit(__I40EVF_IN_CRITICAL_TASK,
@@ -1595,12 +1632,11 @@ static void i40evf_reset_task(struct work_struct *work)
/* poll until we see the reset actually happen */
for (i = 0; i < I40EVF_RESET_WAIT_COUNT; i++) {
- rstat_val = rd32(hw, I40E_VFGEN_RSTAT) &
- I40E_VFGEN_RSTAT_VFR_STATE_MASK;
- if ((rstat_val != I40E_VFR_VFACTIVE) &&
- (rstat_val != I40E_VFR_COMPLETED))
+ reg_val = rd32(hw, I40E_VF_ARQLEN1) &
+ I40E_VF_ARQLEN1_ARQENABLE_MASK;
+ if (!reg_val)
break;
- usleep_range(500, 1000);
+ usleep_range(5000, 10000);
}
if (i == I40EVF_RESET_WAIT_COUNT) {
dev_info(&adapter->pdev->dev, "Never saw reset\n");
@@ -1609,21 +1645,21 @@ static void i40evf_reset_task(struct work_struct *work)
/* wait until the reset is complete and the PF is responding to us */
for (i = 0; i < I40EVF_RESET_WAIT_COUNT; i++) {
- rstat_val = rd32(hw, I40E_VFGEN_RSTAT) &
- I40E_VFGEN_RSTAT_VFR_STATE_MASK;
- if (rstat_val == I40E_VFR_VFACTIVE)
+ reg_val = rd32(hw, I40E_VFGEN_RSTAT) &
+ I40E_VFGEN_RSTAT_VFR_STATE_MASK;
+ if (reg_val == I40E_VFR_VFACTIVE)
break;
msleep(I40EVF_RESET_WAIT_MS);
}
/* extra wait to make sure minimum wait is met */
msleep(I40EVF_RESET_WAIT_MS);
if (i == I40EVF_RESET_WAIT_COUNT) {
- struct i40evf_mac_filter *f, *ftmp;
+ struct i40evf_mac_filter *ftmp;
struct i40evf_vlan_filter *fv, *fvtmp;
/* reset never finished */
dev_err(&adapter->pdev->dev, "Reset never finished (%x)\n",
- rstat_val);
+ reg_val);
adapter->flags |= I40EVF_FLAG_PF_COMMS_FAILED;
if (netif_running(adapter->netdev)) {
@@ -1697,8 +1733,8 @@ continue_reset:
f->add = true;
}
/* re-add all VLAN filters */
- list_for_each_entry(f, &adapter->vlan_filter_list, list) {
- f->add = true;
+ list_for_each_entry(vlf, &adapter->vlan_filter_list, list) {
+ vlf->add = true;
}
adapter->aq_required |= I40EVF_FLAG_AQ_ADD_MAC_FILTER;
adapter->aq_required |= I40EVF_FLAG_AQ_ADD_VLAN_FILTER;
@@ -1853,8 +1889,7 @@ static int i40evf_setup_all_tx_resources(struct i40evf_adapter *adapter)
if (!err)
continue;
dev_err(&adapter->pdev->dev,
- "%s: Allocation for Tx Queue %u failed\n",
- __func__, i);
+ "Allocation for Tx Queue %u failed\n", i);
break;
}
@@ -1881,8 +1916,7 @@ static int i40evf_setup_all_rx_resources(struct i40evf_adapter *adapter)
if (!err)
continue;
dev_err(&adapter->pdev->dev,
- "%s: Allocation for Rx Queue %u failed\n",
- __func__, i);
+ "Allocation for Rx Queue %u failed\n", i);
break;
}
return err;
@@ -2041,6 +2075,9 @@ static const struct net_device_ops i40evf_netdev_ops = {
.ndo_tx_timeout = i40evf_tx_timeout,
.ndo_vlan_rx_add_vid = i40evf_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = i40evf_vlan_rx_kill_vid,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = i40evf_netpoll,
+#endif
};
/**
@@ -2089,7 +2126,10 @@ int i40evf_process_config(struct i40evf_adapter *adapter)
if (adapter->vf_res->vf_offload_flags
& I40E_VIRTCHNL_VF_OFFLOAD_VLAN) {
- netdev->vlan_features = netdev->features;
+ netdev->vlan_features = netdev->features &
+ ~(NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_CTAG_RX |
+ NETIF_F_HW_VLAN_CTAG_FILTER);
netdev->features |= NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_CTAG_FILTER;
@@ -2118,6 +2158,7 @@ int i40evf_process_config(struct i40evf_adapter *adapter)
adapter->vsi.tx_itr_setting = (I40E_ITR_DYNAMIC |
ITR_REG_TO_USEC(I40E_ITR_TX_DEF));
adapter->vsi.netdev = adapter->netdev;
+ adapter->vsi.qs_handle = adapter->vsi_res->qset_handle;
return 0;
}
@@ -2246,10 +2287,13 @@ static void i40evf_init_task(struct work_struct *work)
if (!is_valid_ether_addr(adapter->hw.mac.addr)) {
dev_info(&pdev->dev, "Invalid MAC address %pM, using random\n",
adapter->hw.mac.addr);
- random_ether_addr(adapter->hw.mac.addr);
+ eth_hw_addr_random(netdev);
+ ether_addr_copy(adapter->hw.mac.addr, netdev->dev_addr);
+ } else {
+ adapter->flags |= I40EVF_FLAG_ADDR_SET_BY_PF;
+ ether_addr_copy(netdev->dev_addr, adapter->hw.mac.addr);
+ ether_addr_copy(netdev->perm_addr, adapter->hw.mac.addr);
}
- ether_addr_copy(netdev->dev_addr, adapter->hw.mac.addr);
- ether_addr_copy(netdev->perm_addr, adapter->hw.mac.addr);
init_timer(&adapter->watchdog_timer);
adapter->watchdog_timer.function = &i40evf_watchdog_timer;
@@ -2265,6 +2309,9 @@ static void i40evf_init_task(struct work_struct *work)
if (err)
goto err_sw_init;
i40evf_map_rings_to_vectors(adapter);
+ if (adapter->vf_res->vf_offload_flags &
+ I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR)
+ adapter->flags |= I40EVF_FLAG_WB_ON_ITR_CAPABLE;
if (!RSS_AQ(adapter))
i40evf_configure_rss(adapter);
err = i40evf_request_misc_irq(adapter);
@@ -2300,8 +2347,7 @@ static void i40evf_init_task(struct work_struct *work)
}
return;
restart:
- schedule_delayed_work(&adapter->init_task,
- msecs_to_jiffies(50));
+ schedule_delayed_work(&adapter->init_task, msecs_to_jiffies(30));
return;
err_register:
@@ -2314,11 +2360,14 @@ err_alloc:
err:
/* Things went into the weeds, so try again later */
if (++adapter->aq_wait_count > I40EVF_AQ_MAX_ERR) {
- dev_err(&pdev->dev, "Failed to communicate with PF; giving up\n");
+ dev_err(&pdev->dev, "Failed to communicate with PF; waiting before retry\n");
adapter->flags |= I40EVF_FLAG_PF_COMMS_FAILED;
- return; /* do not reschedule */
+ i40evf_shutdown_adminq(hw);
+ adapter->state = __I40EVF_STARTUP;
+ schedule_delayed_work(&adapter->init_task, HZ * 5);
+ return;
}
- schedule_delayed_work(&adapter->init_task, HZ * 3);
+ schedule_delayed_work(&adapter->init_task, HZ);
}
/**
@@ -2434,7 +2483,8 @@ static int i40evf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
INIT_WORK(&adapter->adminq_task, i40evf_adminq_task);
INIT_WORK(&adapter->watchdog_task, i40evf_watchdog_task);
INIT_DELAYED_WORK(&adapter->init_task, i40evf_init_task);
- schedule_delayed_work(&adapter->init_task, 10);
+ schedule_delayed_work(&adapter->init_task,
+ msecs_to_jiffies(5 * (pdev->devfn & 0x07)));
return 0;
@@ -2510,6 +2560,7 @@ static int i40evf_resume(struct pci_dev *pdev)
rtnl_lock();
err = i40evf_set_interrupt_capability(adapter);
if (err) {
+ rtnl_unlock();
dev_err(&pdev->dev, "Cannot enable MSI-X interrupts.\n");
return err;
}
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
index d4eb1a5e7d42..32e620e1eb5c 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
@@ -156,7 +156,8 @@ int i40evf_send_vf_config_msg(struct i40evf_adapter *adapter)
caps = I40E_VIRTCHNL_VF_OFFLOAD_L2 |
I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ |
I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG |
- I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
+ I40E_VIRTCHNL_VF_OFFLOAD_VLAN |
+ I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
adapter->current_op = I40E_VIRTCHNL_OP_GET_VF_RESOURCES;
adapter->aq_required &= ~I40EVF_FLAG_AQ_GET_CONFIG;
if (PF_IS_V11(adapter))
@@ -234,8 +235,8 @@ void i40evf_configure_queues(struct i40evf_adapter *adapter)
if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "%s: command %d pending\n",
- __func__, adapter->current_op);
+ dev_err(&adapter->pdev->dev, "Cannot configure queues, command %d pending\n",
+ adapter->current_op);
return;
}
adapter->current_op = I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES;
@@ -288,8 +289,8 @@ void i40evf_enable_queues(struct i40evf_adapter *adapter)
if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "%s: command %d pending\n",
- __func__, adapter->current_op);
+ dev_err(&adapter->pdev->dev, "Cannot enable queues, command %d pending\n",
+ adapter->current_op);
return;
}
adapter->current_op = I40E_VIRTCHNL_OP_ENABLE_QUEUES;
@@ -313,8 +314,8 @@ void i40evf_disable_queues(struct i40evf_adapter *adapter)
if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "%s: command %d pending\n",
- __func__, adapter->current_op);
+ dev_err(&adapter->pdev->dev, "Cannot disable queues, command %d pending\n",
+ adapter->current_op);
return;
}
adapter->current_op = I40E_VIRTCHNL_OP_DISABLE_QUEUES;
@@ -341,8 +342,8 @@ void i40evf_map_queues(struct i40evf_adapter *adapter)
if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "%s: command %d pending\n",
- __func__, adapter->current_op);
+ dev_err(&adapter->pdev->dev, "Cannot map queues to vectors, command %d pending\n",
+ adapter->current_op);
return;
}
adapter->current_op = I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP;
@@ -393,8 +394,8 @@ void i40evf_add_ether_addrs(struct i40evf_adapter *adapter)
if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "%s: command %d pending\n",
- __func__, adapter->current_op);
+ dev_err(&adapter->pdev->dev, "Cannot add filters, command %d pending\n",
+ adapter->current_op);
return;
}
list_for_each_entry(f, &adapter->mac_filter_list, list) {
@@ -410,8 +411,7 @@ void i40evf_add_ether_addrs(struct i40evf_adapter *adapter)
len = sizeof(struct i40e_virtchnl_ether_addr_list) +
(count * sizeof(struct i40e_virtchnl_ether_addr));
if (len > I40EVF_MAX_AQ_BUF_SIZE) {
- dev_warn(&adapter->pdev->dev, "%s: Too many MAC address changes in one request\n",
- __func__);
+ dev_warn(&adapter->pdev->dev, "Too many add MAC changes in one request\n");
count = (I40EVF_MAX_AQ_BUF_SIZE -
sizeof(struct i40e_virtchnl_ether_addr_list)) /
sizeof(struct i40e_virtchnl_ether_addr);
@@ -453,8 +453,8 @@ void i40evf_del_ether_addrs(struct i40evf_adapter *adapter)
if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "%s: command %d pending\n",
- __func__, adapter->current_op);
+ dev_err(&adapter->pdev->dev, "Cannot remove filters, command %d pending\n",
+ adapter->current_op);
return;
}
list_for_each_entry(f, &adapter->mac_filter_list, list) {
@@ -470,8 +470,7 @@ void i40evf_del_ether_addrs(struct i40evf_adapter *adapter)
len = sizeof(struct i40e_virtchnl_ether_addr_list) +
(count * sizeof(struct i40e_virtchnl_ether_addr));
if (len > I40EVF_MAX_AQ_BUF_SIZE) {
- dev_warn(&adapter->pdev->dev, "%s: Too many MAC address changes in one request\n",
- __func__);
+ dev_warn(&adapter->pdev->dev, "Too many delete MAC changes in one request\n");
count = (I40EVF_MAX_AQ_BUF_SIZE -
sizeof(struct i40e_virtchnl_ether_addr_list)) /
sizeof(struct i40e_virtchnl_ether_addr);
@@ -513,8 +512,8 @@ void i40evf_add_vlans(struct i40evf_adapter *adapter)
if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "%s: command %d pending\n",
- __func__, adapter->current_op);
+ dev_err(&adapter->pdev->dev, "Cannot add VLANs, command %d pending\n",
+ adapter->current_op);
return;
}
@@ -531,8 +530,7 @@ void i40evf_add_vlans(struct i40evf_adapter *adapter)
len = sizeof(struct i40e_virtchnl_vlan_filter_list) +
(count * sizeof(u16));
if (len > I40EVF_MAX_AQ_BUF_SIZE) {
- dev_warn(&adapter->pdev->dev, "%s: Too many VLAN changes in one request\n",
- __func__);
+ dev_warn(&adapter->pdev->dev, "Too many add VLAN changes in one request\n");
count = (I40EVF_MAX_AQ_BUF_SIZE -
sizeof(struct i40e_virtchnl_vlan_filter_list)) /
sizeof(u16);
@@ -572,8 +570,8 @@ void i40evf_del_vlans(struct i40evf_adapter *adapter)
if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "%s: command %d pending\n",
- __func__, adapter->current_op);
+ dev_err(&adapter->pdev->dev, "Cannot remove VLANs, command %d pending\n",
+ adapter->current_op);
return;
}
@@ -590,8 +588,7 @@ void i40evf_del_vlans(struct i40evf_adapter *adapter)
len = sizeof(struct i40e_virtchnl_vlan_filter_list) +
(count * sizeof(u16));
if (len > I40EVF_MAX_AQ_BUF_SIZE) {
- dev_warn(&adapter->pdev->dev, "%s: Too many VLAN changes in one request\n",
- __func__);
+ dev_warn(&adapter->pdev->dev, "Too many delete VLAN changes in one request\n");
count = (I40EVF_MAX_AQ_BUF_SIZE -
sizeof(struct i40e_virtchnl_vlan_filter_list)) /
sizeof(u16);
@@ -629,8 +626,8 @@ void i40evf_set_promiscuous(struct i40evf_adapter *adapter, int flags)
if (adapter->current_op != I40E_VIRTCHNL_OP_UNKNOWN) {
/* bail because we already have a command pending */
- dev_err(&adapter->pdev->dev, "%s: command %d pending\n",
- __func__, adapter->current_op);
+ dev_err(&adapter->pdev->dev, "Cannot set promiscuous mode, command %d pending\n",
+ adapter->current_op);
return;
}
adapter->current_op = I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE;
@@ -720,17 +717,16 @@ void i40evf_virtchnl_completion(struct i40evf_adapter *adapter,
}
break;
default:
- dev_err(&adapter->pdev->dev,
- "%s: Unknown event %d from pf\n",
- __func__, vpe->event);
+ dev_err(&adapter->pdev->dev, "Unknown event %d from PF\n",
+ vpe->event);
break;
}
return;
}
if (v_retval) {
- dev_err(&adapter->pdev->dev, "%s: PF returned error %d (%s) to our request %d\n",
- __func__, v_retval,
- i40evf_stat_str(&adapter->hw, v_retval), v_opcode);
+ dev_err(&adapter->pdev->dev, "PF returned error %d (%s) to our request %d\n",
+ v_retval, i40evf_stat_str(&adapter->hw, v_retval),
+ v_opcode);
}
switch (v_opcode) {
case I40E_VIRTCHNL_OP_GET_STATS: {
@@ -756,6 +752,8 @@ void i40evf_virtchnl_completion(struct i40evf_adapter *adapter,
sizeof(struct i40e_virtchnl_vsi_resource);
memcpy(adapter->vf_res, msg, min(msglen, len));
i40e_vf_parse_hw_config(&adapter->hw, adapter->vf_res);
+ /* restore current mac address */
+ ether_addr_copy(adapter->hw.mac.addr, netdev->dev_addr);
i40evf_process_config(adapter);
}
break;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.