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Commit dec0d8e4 authored by Jeff Kirsher's avatar Jeff Kirsher
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ixgbevf: Fix code comments and whitespace 

Fix the code comments to align with drivers/net/ code commenting style,
as well as whitespace issues.  The whitespace issues resolve checkpatch
errors, like lines exceeding 80 chars (except for strings) and the use
of tabs where possible.

CC: <kernel-team@fb.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: default avatarPhil Schmitt <phillip.j.schmitt@intel.com>
parent 856f606e
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Showing with 498 additions and 495 deletions
drivers/net/ethernet/intel/ixgbevf/defines.h
View file @ dec0d8e4
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2012 Intel Corporation.
Copyright(c) 1999 - 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,
......@@ -13,8 +13,7 @@
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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".
......@@ -182,7 +181,7 @@ typedef u32 ixgbe_link_speed;
#define IXGBE_TXD_CMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
#define IXGBE_TXD_CMD_IC 0x04000000 /* Insert Checksum */
#define IXGBE_TXD_CMD_RS 0x08000000 /* Report Status */
#define IXGBE_TXD_CMD_DEXT 0x20000000 /* Descriptor extension (0 = legacy) */
#define IXGBE_TXD_CMD_DEXT 0x20000000 /* Descriptor ext (0 = legacy) */
#define IXGBE_TXD_CMD_VLE 0x40000000 /* Add VLAN tag */
#define IXGBE_TXD_STAT_DD 0x00000001 /* Descriptor Done */
#define IXGBE_TXD_CMD (IXGBE_TXD_CMD_EOP | IXGBE_TXD_CMD_RS)
......
drivers/net/ethernet/intel/ixgbevf/ethtool.c
View file @ dec0d8e4
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2014 Intel Corporation.
Copyright(c) 1999 - 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,
......@@ -13,8 +13,7 @@
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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".
......@@ -100,6 +99,7 @@ static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
"Register test (offline)",
"Link test (on/offline)"
};
#define IXGBE_TEST_LEN (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN)
static int ixgbevf_get_settings(struct net_device *netdev,
......@@ -120,6 +120,7 @@ static int ixgbevf_get_settings(struct net_device *netdev,
if (link_up) {
__u32 speed = SPEED_10000;
switch (link_speed) {
case IXGBE_LINK_SPEED_10GB_FULL:
speed = SPEED_10000;
......@@ -145,12 +146,14 @@ static int ixgbevf_get_settings(struct net_device *netdev,
static u32 ixgbevf_get_msglevel(struct net_device *netdev)
{
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
return adapter->msg_enable;
}
static void ixgbevf_set_msglevel(struct net_device *netdev, u32 data)
{
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
adapter->msg_enable = data;
}
......@@ -185,7 +188,8 @@ static void ixgbevf_get_regs(struct net_device *netdev,
/* Interrupt */
/* don't read EICR because it can clear interrupt causes, instead
* read EICS which is a shadow but doesn't clear EICR */
* read EICS which is a shadow but doesn't clear EICR
*/
regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_VTEIMS);
......@@ -404,7 +408,7 @@ static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
char *base = (char *) adapter;
char *base = (char *)adapter;
int i;
#ifdef BP_EXTENDED_STATS
u64 rx_yields = 0, rx_cleaned = 0, rx_missed = 0,
......@@ -594,8 +598,7 @@ static int ixgbevf_reg_test(struct ixgbevf_adapter *adapter, u64 *data)
}
test = reg_test_vf;
/*
* Perform the register test, looping through the test table
/* Perform the register test, looping through the test table
* until we either fail or reach the null entry.
*/
while (test->reg) {
......@@ -670,7 +673,8 @@ static void ixgbevf_diag_test(struct net_device *netdev,
hw_dbg(&adapter->hw, "offline testing starting\n");
/* Link test performed before hardware reset so autoneg doesn't
* interfere with test result */
* interfere with test result
*/
if (ixgbevf_link_test(adapter, &data[1]))
eth_test->flags |= ETH_TEST_FL_FAILED;
......@@ -724,7 +728,7 @@ static int ixgbevf_get_coalesce(struct net_device *netdev,
else
ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
/* if in mixed tx/rx queues per vector mode, report only rx settings */
/* if in mixed Tx/Rx queues per vector mode, report only Rx settings */
if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
return 0;
......@@ -745,12 +749,11 @@ static int ixgbevf_set_coalesce(struct net_device *netdev,
int num_vectors, i;
u16 tx_itr_param, rx_itr_param;
/* don't accept tx specific changes if we've got mixed RxTx vectors */
if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count
&& ec->tx_coalesce_usecs)
/* don't accept Tx specific changes if we've got mixed RxTx vectors */
if (adapter->q_vector[0]->tx.count &&
adapter->q_vector[0]->rx.count && ec->tx_coalesce_usecs)
return -EINVAL;
if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
(ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
return -EINVAL;
......@@ -765,7 +768,6 @@ static int ixgbevf_set_coalesce(struct net_device *netdev,
else
rx_itr_param = adapter->rx_itr_setting;
if (ec->tx_coalesce_usecs > 1)
adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
else
......@@ -781,10 +783,10 @@ static int ixgbevf_set_coalesce(struct net_device *netdev,
for (i = 0; i < num_vectors; i++) {
q_vector = adapter->q_vector[i];
if (q_vector->tx.count && !q_vector->rx.count)
/* tx only */
/* Tx only */
q_vector->itr = tx_itr_param;
else
/* rx only or mixed */
/* Rx only or mixed */
q_vector->itr = rx_itr_param;
ixgbevf_write_eitr(q_vector);
}
......
drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
View file @ dec0d8e4
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2014 Intel Corporation.
Copyright(c) 1999 - 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,
......@@ -13,8 +13,7 @@
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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".
......@@ -51,7 +50,8 @@
#define DESC_NEEDED (MAX_SKB_FRAGS + 4)
/* wrapper around a pointer to a socket buffer,
* so a DMA handle can be stored along with the buffer */
* so a DMA handle can be stored along with the buffer
*/
struct ixgbevf_tx_buffer {
union ixgbe_adv_tx_desc *next_to_watch;
unsigned long time_stamp;
......@@ -132,9 +132,10 @@ struct ixgbevf_ring {
u8 __iomem *tail;
struct sk_buff *skb;
u16 reg_idx; /* holds the special value that gets the hardware register
* offset associated with this ring, which is different
* for DCB and RSS modes */
/* holds the special value that gets the hardware register offset
* associated with this ring, which is different for DCB and RSS modes
*/
u16 reg_idx;
int queue_index; /* needed for multiqueue queue management */
};
......@@ -186,9 +187,10 @@ struct ixgbevf_ring_container {
*/
struct ixgbevf_q_vector {
struct ixgbevf_adapter *adapter;
u16 v_idx; /* index of q_vector within array, also used for
* finding the bit in EICR and friends that
* represents the vector for this ring */
/* index of q_vector within array, also used for finding the bit in
* EICR and friends that represents the vector for this ring
*/
u16 v_idx;
u16 itr; /* Interrupt throttle rate written to EITR */
struct napi_struct napi;
struct ixgbevf_ring_container rx, tx;
......@@ -203,15 +205,17 @@ struct ixgbevf_q_vector {
#define IXGBEVF_QV_LOCKED (IXGBEVF_QV_OWNED | IXGBEVF_QV_STATE_DISABLED)
#define IXGBEVF_QV_STATE_NAPI_YIELD 8 /* NAPI yielded this QV */
#define IXGBEVF_QV_STATE_POLL_YIELD 16 /* poll yielded this QV */
#define IXGBEVF_QV_YIELD (IXGBEVF_QV_STATE_NAPI_YIELD | IXGBEVF_QV_STATE_POLL_YIELD)
#define IXGBEVF_QV_USER_PEND (IXGBEVF_QV_STATE_POLL | IXGBEVF_QV_STATE_POLL_YIELD)
#define IXGBEVF_QV_YIELD (IXGBEVF_QV_STATE_NAPI_YIELD | \
IXGBEVF_QV_STATE_POLL_YIELD)
#define IXGBEVF_QV_USER_PEND (IXGBEVF_QV_STATE_POLL | \
IXGBEVF_QV_STATE_POLL_YIELD)
spinlock_t lock;
#endif /* CONFIG_NET_RX_BUSY_POLL */
};
#ifdef CONFIG_NET_RX_BUSY_POLL
static inline void ixgbevf_qv_init_lock(struct ixgbevf_q_vector *q_vector)
{
spin_lock_init(&q_vector->lock);
q_vector->state = IXGBEVF_QV_STATE_IDLE;
}
......@@ -220,6 +224,7 @@ static inline void ixgbevf_qv_init_lock(struct ixgbevf_q_vector *q_vector)
static inline bool ixgbevf_qv_lock_napi(struct ixgbevf_q_vector *q_vector)
{
int rc = true;
spin_lock_bh(&q_vector->lock);
if (q_vector->state & IXGBEVF_QV_LOCKED) {
WARN_ON(q_vector->state & IXGBEVF_QV_STATE_NAPI);
......@@ -240,6 +245,7 @@ static inline bool ixgbevf_qv_lock_napi(struct ixgbevf_q_vector *q_vector)
static inline bool ixgbevf_qv_unlock_napi(struct ixgbevf_q_vector *q_vector)
{
int rc = false;
spin_lock_bh(&q_vector->lock);
WARN_ON(q_vector->state & (IXGBEVF_QV_STATE_POLL |
IXGBEVF_QV_STATE_NAPI_YIELD));
......@@ -256,6 +262,7 @@ static inline bool ixgbevf_qv_unlock_napi(struct ixgbevf_q_vector *q_vector)
static inline bool ixgbevf_qv_lock_poll(struct ixgbevf_q_vector *q_vector)
{
int rc = true;
spin_lock_bh(&q_vector->lock);
if ((q_vector->state & IXGBEVF_QV_LOCKED)) {
q_vector->state |= IXGBEVF_QV_STATE_POLL_YIELD;
......@@ -275,6 +282,7 @@ static inline bool ixgbevf_qv_lock_poll(struct ixgbevf_q_vector *q_vector)
static inline bool ixgbevf_qv_unlock_poll(struct ixgbevf_q_vector *q_vector)
{
int rc = false;
spin_lock_bh(&q_vector->lock);
WARN_ON(q_vector->state & (IXGBEVF_QV_STATE_NAPI));
......@@ -297,6 +305,7 @@ static inline bool ixgbevf_qv_busy_polling(struct ixgbevf_q_vector *q_vector)
static inline bool ixgbevf_qv_disable(struct ixgbevf_q_vector *q_vector)
{
int rc = true;
spin_lock_bh(&q_vector->lock);
if (q_vector->state & IXGBEVF_QV_OWNED)
rc = false;
......@@ -307,8 +316,7 @@ static inline bool ixgbevf_qv_disable(struct ixgbevf_q_vector *q_vector)
#endif /* CONFIG_NET_RX_BUSY_POLL */
/*
* microsecond values for various ITR rates shifted by 2 to fit itr register
/* microsecond values for various ITR rates shifted by 2 to fit itr register
* with the first 3 bits reserved 0
*/
#define IXGBE_MIN_RSC_ITR 24
......
drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
View file @ dec0d8e4
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2014 Intel Corporation.
Copyright(c) 1999 - 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,
......@@ -13,8 +13,7 @@
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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".
......@@ -25,7 +24,6 @@
*******************************************************************************/
/******************************************************************************
Copyright (c)2006 - 2007 Myricom, Inc. for some LRO specific code
******************************************************************************/
......@@ -170,12 +168,13 @@ u32 ixgbevf_read_reg(struct ixgbe_hw *hw, u32 reg)
* @direction: 0 for Rx, 1 for Tx, -1 for other causes
* @queue: queue to map the corresponding interrupt to
* @msix_vector: the vector to map to the corresponding queue
*/
**/
static void ixgbevf_set_ivar(struct ixgbevf_adapter *adapter, s8 direction,
u8 queue, u8 msix_vector)
{
u32 ivar, index;
struct ixgbe_hw *hw = &adapter->hw;
if (direction == -1) {
/* other causes */
msix_vector |= IXGBE_IVAR_ALLOC_VAL;
......@@ -184,7 +183,7 @@ static void ixgbevf_set_ivar(struct ixgbevf_adapter *adapter, s8 direction,
ivar |= msix_vector;
IXGBE_WRITE_REG(hw, IXGBE_VTIVAR_MISC, ivar);
} else {
/* tx or rx causes */
/* Tx or Rx causes */
msix_vector |= IXGBE_IVAR_ALLOC_VAL;
index = ((16 * (queue & 1)) + (8 * direction));
ivar = IXGBE_READ_REG(hw, IXGBE_VTIVAR(queue >> 1));
......@@ -458,11 +457,12 @@ static void ixgbevf_rx_skb(struct ixgbevf_q_vector *q_vector,
napi_gro_receive(&q_vector->napi, skb);
}
/* ixgbevf_rx_checksum - indicate in skb if hw indicated a good cksum
/**
* ixgbevf_rx_checksum - indicate in skb if hw indicated a good cksum
* @ring: structure containig ring specific data
* @rx_desc: current Rx descriptor being processed
* @skb: skb currently being received and modified
*/
**/
static inline void ixgbevf_rx_checksum(struct ixgbevf_ring *ring,
union ixgbe_adv_rx_desc *rx_desc,
struct sk_buff *skb)
......@@ -492,7 +492,8 @@ static inline void ixgbevf_rx_checksum(struct ixgbevf_ring *ring,
skb->ip_summed = CHECKSUM_UNNECESSARY;
}
/* ixgbevf_process_skb_fields - Populate skb header fields from Rx descriptor
/**
* ixgbevf_process_skb_fields - Populate skb header fields from Rx descriptor
* @rx_ring: rx descriptor ring packet is being transacted on
* @rx_desc: pointer to the EOP Rx descriptor
* @skb: pointer to current skb being populated
......@@ -500,7 +501,7 @@ static inline void ixgbevf_rx_checksum(struct ixgbevf_ring *ring,
* This function checks the ring, descriptor, and packet information in
* order to populate the checksum, VLAN, protocol, and other fields within
* the skb.
*/
**/
static void ixgbevf_process_skb_fields(struct ixgbevf_ring *rx_ring,
union ixgbe_adv_rx_desc *rx_desc,
struct sk_buff *skb)
......@@ -647,7 +648,8 @@ static void ixgbevf_alloc_rx_buffers(struct ixgbevf_ring *rx_ring,
}
}
/* ixgbevf_pull_tail - ixgbevf specific version of skb_pull_tail
/**
* ixgbevf_pull_tail - ixgbevf specific version of skb_pull_tail
* @rx_ring: rx descriptor ring packet is being transacted on
* @skb: pointer to current skb being adjusted
*
......@@ -657,7 +659,7 @@ static void ixgbevf_alloc_rx_buffers(struct ixgbevf_ring *rx_ring,
* that allow for significant optimizations versus the standard function.
* As a result we can do things like drop a frag and maintain an accurate
* truesize for the skb.
*/
**/
static void ixgbevf_pull_tail(struct ixgbevf_ring *rx_ring,
struct sk_buff *skb)
{
......@@ -686,7 +688,8 @@ static void ixgbevf_pull_tail(struct ixgbevf_ring *rx_ring,
skb->tail += pull_len;
}
/* ixgbevf_cleanup_headers - Correct corrupted or empty headers
/**
* ixgbevf_cleanup_headers - Correct corrupted or empty headers
* @rx_ring: rx descriptor ring packet is being transacted on
* @rx_desc: pointer to the EOP Rx descriptor
* @skb: pointer to current skb being fixed
......@@ -702,7 +705,7 @@ static void ixgbevf_pull_tail(struct ixgbevf_ring *rx_ring,
* it is large enough to qualify as a valid Ethernet frame.
*
* Returns true if an error was encountered and skb was freed.
*/
**/
static bool ixgbevf_cleanup_headers(struct ixgbevf_ring *rx_ring,
union ixgbe_adv_rx_desc *rx_desc,
struct sk_buff *skb)
......@@ -729,12 +732,13 @@ static bool ixgbevf_cleanup_headers(struct ixgbevf_ring *rx_ring,
return false;
}
/* ixgbevf_reuse_rx_page - page flip buffer and store it back on the ring
/**
* ixgbevf_reuse_rx_page - page flip buffer and store it back on the ring
* @rx_ring: rx descriptor ring to store buffers on
* @old_buff: donor buffer to have page reused
*
* Synchronizes page for reuse by the adapter
*/
**/
static void ixgbevf_reuse_rx_page(struct ixgbevf_ring *rx_ring,
struct ixgbevf_rx_buffer *old_buff)
{
......@@ -764,7 +768,8 @@ static inline bool ixgbevf_page_is_reserved(struct page *page)
return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc;
}
/* ixgbevf_add_rx_frag - Add contents of Rx buffer to sk_buff
/**
* ixgbevf_add_rx_frag - Add contents of Rx buffer to sk_buff
* @rx_ring: rx descriptor ring to transact packets on
* @rx_buffer: buffer containing page to add
* @rx_desc: descriptor containing length of buffer written by hardware
......@@ -777,7 +782,7 @@ static inline bool ixgbevf_page_is_reserved(struct page *page)
*
* The function will then update the page offset if necessary and return
* true if the buffer can be reused by the adapter.
*/
**/
static bool ixgbevf_add_rx_frag(struct ixgbevf_ring *rx_ring,
struct ixgbevf_rx_buffer *rx_buffer,
union ixgbe_adv_rx_desc *rx_desc,
......@@ -1016,7 +1021,8 @@ static int ixgbevf_poll(struct napi_struct *napi, int budget)
#endif
/* attempt to distribute budget to each queue fairly, but don't allow
* the budget to go below 1 because we'll exit polling */
* the budget to go below 1 because we'll exit polling
*/
if (q_vector->rx.count > 1)
per_ring_budget = max(budget/q_vector->rx.count, 1);
else
......@@ -1049,7 +1055,7 @@ static int ixgbevf_poll(struct napi_struct *napi, int budget)
/**
* ixgbevf_write_eitr - write VTEITR register in hardware specific way
* @q_vector: structure containing interrupt and ring information
*/
**/
void ixgbevf_write_eitr(struct ixgbevf_q_vector *q_vector)
{
struct ixgbevf_adapter *adapter = q_vector->adapter;
......@@ -1057,8 +1063,7 @@ void ixgbevf_write_eitr(struct ixgbevf_q_vector *q_vector)
int v_idx = q_vector->v_idx;
u32 itr_reg = q_vector->itr & IXGBE_MAX_EITR;
/*
* set the WDIS bit to not clear the timer bits and cause an
/* set the WDIS bit to not clear the timer bits and cause an
* immediate assertion of the interrupt
*/
itr_reg |= IXGBE_EITR_CNT_WDIS;
......@@ -1115,12 +1120,12 @@ static void ixgbevf_configure_msix(struct ixgbevf_adapter *adapter)
q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
adapter->eims_enable_mask = 0;
/*
* Populate the IVAR table and set the ITR values to the
/* Populate the IVAR table and set the ITR values to the
* corresponding register.
*/
for (v_idx = 0; v_idx < q_vectors; v_idx++) {
struct ixgbevf_ring *ring;
q_vector = adapter->q_vector[v_idx];
ixgbevf_for_each_ring(ring, q_vector->rx)
......@@ -1130,13 +1135,13 @@ static void ixgbevf_configure_msix(struct ixgbevf_adapter *adapter)
ixgbevf_set_ivar(adapter, 1, ring->reg_idx, v_idx);
if (q_vector->tx.ring && !q_vector->rx.ring) {
/* tx only vector */
/* Tx only vector */
if (adapter->tx_itr_setting == 1)
q_vector->itr = IXGBE_10K_ITR;
else
q_vector->itr = adapter->tx_itr_setting;
} else {
/* rx or rx/tx vector */
/* Rx or Rx/Tx vector */
if (adapter->rx_itr_setting == 1)
q_vector->itr = IXGBE_20K_ITR;
else
......@@ -1187,7 +1192,7 @@ static void ixgbevf_update_itr(struct ixgbevf_q_vector *q_vector,
if (packets == 0)
return;
/* simple throttlerate management
/* simple throttle rate management
* 0-20MB/s lowest (100000 ints/s)
* 20-100MB/s low (20000 ints/s)
* 100-1249MB/s bulk (8000 ints/s)
......@@ -1330,8 +1335,7 @@ static int ixgbevf_map_rings_to_vectors(struct ixgbevf_adapter *adapter)
q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
/*
* The ideal configuration...
/* The ideal configuration...
* We have enough vectors to map one per queue.
*/
if (q_vectors == adapter->num_rx_queues + adapter->num_tx_queues) {
......@@ -1343,8 +1347,7 @@ static int ixgbevf_map_rings_to_vectors(struct ixgbevf_adapter *adapter)
goto out;
}
/*
* If we don't have enough vectors for a 1-to-1
/* If we don't have enough vectors for a 1-to-1
* mapping, we'll have to group them so there are
* multiple queues per vector.
*/
......@@ -1406,8 +1409,8 @@ static int ixgbevf_request_msix_irqs(struct ixgbevf_adapter *adapter)
q_vector->name, q_vector);
if (err) {
hw_dbg(&adapter->hw,
"request_irq failed for MSIX interrupt "
"Error: %d\n", err);
"request_irq failed for MSIX interrupt Error: %d\n",
err);
goto free_queue_irqs;
}
}
......@@ -1415,8 +1418,8 @@ static int ixgbevf_request_msix_irqs(struct ixgbevf_adapter *adapter)
err = request_irq(adapter->msix_entries[vector].vector,
&ixgbevf_msix_other, 0, netdev->name, adapter);
if (err) {
hw_dbg(&adapter->hw,
"request_irq for msix_other failed: %d\n", err);
hw_dbg(&adapter->hw, "request_irq for msix_other failed: %d\n",
err);
goto free_queue_irqs;
}
......@@ -1448,6 +1451,7 @@ static inline void ixgbevf_reset_q_vectors(struct ixgbevf_adapter *adapter)
for (i = 0; i < q_vectors; i++) {
struct ixgbevf_q_vector *q_vector = adapter->q_vector[i];
q_vector->rx.ring = NULL;
q_vector->tx.ring = NULL;
q_vector->rx.count = 0;
......@@ -1469,8 +1473,7 @@ static int ixgbevf_request_irq(struct ixgbevf_adapter *adapter)
err = ixgbevf_request_msix_irqs(adapter);
if (err)
hw_dbg(&adapter->hw,
"request_irq failed, Error %d\n", err);
hw_dbg(&adapter->hw, "request_irq failed, Error %d\n", err);
return err;
}
......@@ -1659,7 +1662,7 @@ static void ixgbevf_disable_rx_queue(struct ixgbevf_adapter *adapter,
/* write value back with RXDCTL.ENABLE bit cleared */
IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(reg_idx), rxdctl);
/* the hardware may take up to 100us to really disable the rx queue */
/* the hardware may take up to 100us to really disable the Rx queue */
do {
udelay(10);
rxdctl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(reg_idx));
......@@ -1786,7 +1789,8 @@ static void ixgbevf_configure_rx(struct ixgbevf_adapter *adapter)
ixgbevf_rlpml_set_vf(hw, netdev->mtu + ETH_HLEN + ETH_FCS_LEN);
/* Setup the HW Rx Head and Tail Descriptor Pointers and
* the Base and Length of the Rx Descriptor Ring */
* the Base and Length of the Rx Descriptor Ring
*/
for (i = 0; i < adapter->num_rx_queues; i++)
ixgbevf_configure_rx_ring(adapter, adapter->rx_ring[i]);
}
......@@ -1858,14 +1862,14 @@ static int ixgbevf_write_uc_addr_list(struct net_device *netdev)
if (!netdev_uc_empty(netdev)) {
struct netdev_hw_addr *ha;
netdev_for_each_uc_addr(ha, netdev) {
hw->mac.ops.set_uc_addr(hw, ++count, ha->addr);
udelay(200);
}
} else {
/*
* If the list is empty then send message to PF driver to
* clear all macvlans on this VF.
/* If the list is empty then send message to PF driver to
* clear all MAC VLANs on this VF.
*/
hw->mac.ops.set_uc_addr(hw, 0, NULL);
}
......@@ -2184,7 +2188,7 @@ void ixgbevf_down(struct ixgbevf_adapter *adapter)
if (test_and_set_bit(__IXGBEVF_DOWN, &adapter->state))
return; /* do nothing if already down */
/* disable all enabled rx queues */
/* disable all enabled Rx queues */
for (i = 0; i < adapter->num_rx_queues; i++)
ixgbevf_disable_rx_queue(adapter, adapter->rx_ring[i]);
......@@ -2406,8 +2410,7 @@ static int ixgbevf_set_interrupt_capability(struct ixgbevf_adapter *adapter)
int err = 0;
int vector, v_budget;
/*
* It's easy to be greedy for MSI-X vectors, but it really
/* It's easy to be greedy for MSI-X vectors, but it really
* doesn't do us much good if we have a lot more vectors
* than CPU's. So let's be conservative and only ask for
* (roughly) the same number of vectors as there are CPU's.
......@@ -2418,7 +2421,8 @@ static int ixgbevf_set_interrupt_capability(struct ixgbevf_adapter *adapter)
v_budget += NON_Q_VECTORS;
/* A failure in MSI-X entry allocation isn't fatal, but it does
* mean we disable MSI-X capabilities of the adapter. */
* mean we disable MSI-X capabilities of the adapter.
*/
adapter->msix_entries = kcalloc(v_budget,
sizeof(struct msix_entry), GFP_KERNEL);
if (!adapter->msix_entries) {
......@@ -2544,8 +2548,7 @@ static int ixgbevf_init_interrupt_scheme(struct ixgbevf_adapter *adapter)
err = ixgbevf_alloc_q_vectors(adapter);
if (err) {
hw_dbg(&adapter->hw, "Unable to allocate memory for queue "
"vectors\n");
hw_dbg(&adapter->hw, "Unable to allocate memory for queue vectors\n");
goto err_alloc_q_vectors;
}
......@@ -2555,8 +2558,7 @@ static int ixgbevf_init_interrupt_scheme(struct ixgbevf_adapter *adapter)
goto err_alloc_queues;
}
hw_dbg(&adapter->hw, "Multiqueue %s: Rx Queue count = %u, "
"Tx Queue count = %u\n",
hw_dbg(&adapter->hw, "Multiqueue %s: Rx Queue count = %u, Tx Queue count = %u\n",
(adapter->num_rx_queues > 1) ? "Enabled" :
"Disabled", adapter->num_rx_queues, adapter->num_tx_queues);
......@@ -2600,7 +2602,6 @@ static void ixgbevf_clear_interrupt_scheme(struct ixgbevf_adapter *adapter)
/**
* ixgbevf_sw_init - Initialize general software structures
* (struct ixgbevf_adapter)
* @adapter: board private structure to initialize
*
* ixgbevf_sw_init initializes the Adapter private data structure.
......@@ -2615,7 +2616,6 @@ static int ixgbevf_sw_init(struct ixgbevf_adapter *adapter)
int err;
/* PCI config space info */
hw->vendor_id = pdev->vendor;
hw->device_id = pdev->device;
hw->revision_id = pdev->revision;
......@@ -2758,14 +2758,15 @@ static void ixgbevf_reset_subtask(struct ixgbevf_adapter *adapter)
ixgbevf_reinit_locked(adapter);
}
/* ixgbevf_check_hang_subtask - check for hung queues and dropped interrupts
* @adapter - pointer to the device adapter structure
/**
* ixgbevf_check_hang_subtask - check for hung queues and dropped interrupts
* @adapter: pointer to the device adapter structure
*
* This function serves two purposes. First it strobes the interrupt lines
* in order to make certain interrupts are occurring. Secondly it sets the
* bits needed to check for TX hangs. As a result we should immediately
* determine if a hang has occurred.
*/
**/
static void ixgbevf_check_hang_subtask(struct ixgbevf_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
......@@ -2783,7 +2784,7 @@ static void ixgbevf_check_hang_subtask(struct ixgbevf_adapter *adapter)
set_check_for_tx_hang(adapter->tx_ring[i]);
}
/* get one bit for every active tx/rx interrupt vector */
/* get one bit for every active Tx/Rx interrupt vector */
for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) {
struct ixgbevf_q_vector *qv = adapter->q_vector[i];
......@@ -2797,7 +2798,7 @@ static void ixgbevf_check_hang_subtask(struct ixgbevf_adapter *adapter)
/**
* ixgbevf_watchdog_update_link - update the link status
* @adapter - pointer to the device adapter structure
* @adapter: pointer to the device adapter structure
**/
static void ixgbevf_watchdog_update_link(struct ixgbevf_adapter *adapter)
{
......@@ -2825,7 +2826,7 @@ static void ixgbevf_watchdog_update_link(struct ixgbevf_adapter *adapter)
/**
* ixgbevf_watchdog_link_is_up - update netif_carrier status and
* print link up message
* @adapter - pointer to the device adapter structure
* @adapter: pointer to the device adapter structure
**/
static void ixgbevf_watchdog_link_is_up(struct ixgbevf_adapter *adapter)
{
......@@ -2850,7 +2851,7 @@ static void ixgbevf_watchdog_link_is_up(struct ixgbevf_adapter *adapter)
/**
* ixgbevf_watchdog_link_is_down - update netif_carrier status and
* print link down message
* @adapter - pointer to the adapter structure
* @adapter: pointer to the adapter structure
**/
static void ixgbevf_watchdog_link_is_down(struct ixgbevf_adapter *adapter)
{
......@@ -2956,7 +2957,7 @@ static void ixgbevf_free_all_tx_resources(struct ixgbevf_adapter *adapter)
/**
* ixgbevf_setup_tx_resources - allocate Tx resources (Descriptors)
* @tx_ring: tx descriptor ring (for a specific queue) to setup
* @tx_ring: Tx descriptor ring (for a specific queue) to setup
*
* Return 0 on success, negative on failure
**/
......@@ -2983,8 +2984,7 @@ int ixgbevf_setup_tx_resources(struct ixgbevf_ring *tx_ring)
err:
vfree(tx_ring->tx_buffer_info);
tx_ring->tx_buffer_info = NULL;
hw_dbg(&adapter->hw, "Unable to allocate memory for the transmit "
"descriptor ring\n");
hw_dbg(&adapter->hw, "Unable to allocate memory for the transmit descriptor ring\n");
return -ENOMEM;
}
......@@ -3006,8 +3006,7 @@ static int ixgbevf_setup_all_tx_resources(struct ixgbevf_adapter *adapter)
err = ixgbevf_setup_tx_resources(adapter->tx_ring[i]);
if (!err)
continue;
hw_dbg(&adapter->hw,
"Allocation for Tx Queue %u failed\n", i);
hw_dbg(&adapter->hw, "Allocation for Tx Queue %u failed\n", i);
break;
}
......@@ -3016,7 +3015,7 @@ static int ixgbevf_setup_all_tx_resources(struct ixgbevf_adapter *adapter)
/**
* ixgbevf_setup_rx_resources - allocate Rx resources (Descriptors)
* @rx_ring: rx descriptor ring (for a specific queue) to setup
* @rx_ring: Rx descriptor ring (for a specific queue) to setup
*
* Returns 0 on success, negative on failure
**/
......@@ -3065,8 +3064,7 @@ static int ixgbevf_setup_all_rx_resources(struct ixgbevf_adapter *adapter)
err = ixgbevf_setup_rx_resources(adapter->rx_ring[i]);
if (!err)
continue;
hw_dbg(&adapter->hw,
"Allocation for Rx Queue %u failed\n", i);
hw_dbg(&adapter->hw, "Allocation for Rx Queue %u failed\n", i);
break;
}
return err;
......@@ -3136,11 +3134,11 @@ static int ixgbevf_open(struct net_device *netdev)
if (hw->adapter_stopped) {
ixgbevf_reset(adapter);
/* if adapter is still stopped then PF isn't up and
* the vf can't start. */
* the VF can't start.
*/
if (hw->adapter_stopped) {
err = IXGBE_ERR_MBX;
pr_err("Unable to start - perhaps the PF Driver isn't "
"up yet\n");
pr_err("Unable to start - perhaps the PF Driver isn't up yet\n");
goto err_setup_reset;
}
}
......@@ -3163,8 +3161,7 @@ static int ixgbevf_open(struct net_device *netdev)
ixgbevf_configure(adapter);
/*
* Map the Tx/Rx rings to the vectors we were allotted.
/* Map the Tx/Rx rings to the vectors we were allotted.
* if request_irq will be called in this function map_rings
* must be called *before* up_complete
*/
......@@ -3288,6 +3285,7 @@ static int ixgbevf_tso(struct ixgbevf_ring *tx_ring,
if (first->protocol == htons(ETH_P_IP)) {
struct iphdr *iph = ip_hdr(skb);
iph->tot_len = 0;
iph->check = 0;
tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
......@@ -3313,7 +3311,7 @@ static int ixgbevf_tso(struct ixgbevf_ring *tx_ring,
*hdr_len += l4len;
*hdr_len = skb_transport_offset(skb) + l4len;
/* update gso size and bytecount with header size */
/* update GSO size and bytecount with header size */
first->gso_segs = skb_shinfo(skb)->gso_segs;
first->bytecount += (first->gso_segs - 1) * *hdr_len;
......@@ -3343,6 +3341,7 @@ static void ixgbevf_tx_csum(struct ixgbevf_ring *tx_ring,
if (skb->ip_summed == CHECKSUM_PARTIAL) {
u8 l4_hdr = 0;
switch (first->protocol) {
case htons(ETH_P_IP):
vlan_macip_lens |= skb_network_header_len(skb);
......@@ -3405,7 +3404,7 @@ static __le32 ixgbevf_tx_cmd_type(u32 tx_flags)
IXGBE_ADVTXD_DCMD_IFCS |
IXGBE_ADVTXD_DCMD_DEXT);
/* set HW vlan bit if vlan is present */
/* set HW VLAN bit if VLAN is present */
if (tx_flags & IXGBE_TX_FLAGS_VLAN)
cmd_type |= cpu_to_le32(IXGBE_ADVTXD_DCMD_VLE);
......@@ -3572,11 +3571,13 @@ static int __ixgbevf_maybe_stop_tx(struct ixgbevf_ring *tx_ring, int size)
netif_stop_subqueue(tx_ring->netdev, tx_ring->queue_index);
/* Herbert's original patch had:
* smp_mb__after_netif_stop_queue();
* but since that doesn't exist yet, just open code it. */
* but since that doesn't exist yet, just open code it.
*/
smp_mb();
/* We need to check again in a case another CPU has just
* made room available. */
* made room available.
*/
if (likely(ixgbevf_desc_unused(tx_ring) < size))
return -EBUSY;
......@@ -3615,8 +3616,7 @@ static int ixgbevf_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
tx_ring = adapter->tx_ring[skb->queue_mapping];
/*
* need: 1 descriptor per page * PAGE_SIZE/IXGBE_MAX_DATA_PER_TXD,
/* need: 1 descriptor per page * PAGE_SIZE/IXGBE_MAX_DATA_PER_TXD,
* + 1 desc for skb_headlen/IXGBE_MAX_DATA_PER_TXD,
* + 2 desc gap to keep tail from touching head,
* + 1 desc for context descriptor,
......@@ -3794,8 +3794,7 @@ static int ixgbevf_resume(struct pci_dev *pdev)
u32 err;
pci_restore_state(pdev);
/*
* pci_restore_state clears dev->state_saved so call
/* pci_restore_state clears dev->state_saved so call
* pci_save_state to restore it.
*/
pci_save_state(pdev);
......@@ -3930,8 +3929,7 @@ static int ixgbevf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
} else {
err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (err) {
dev_err(&pdev->dev, "No usable DMA "
"configuration, aborting\n");
dev_err(&pdev->dev, "No usable DMA configuration, aborting\n");
goto err_dma;
}
pci_using_dac = 0;
......@@ -3962,8 +3960,7 @@ static int ixgbevf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
hw->back = adapter;
adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
/*
* call save state here in standalone driver because it relies on
/* call save state here in standalone driver because it relies on
* adapter struct to exist, and needs to call netdev_priv
*/
pci_save_state(pdev);
......@@ -3978,7 +3975,7 @@ static int ixgbevf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
ixgbevf_assign_netdev_ops(netdev);
/* Setup hw api */
/* Setup HW API */
memcpy(&hw->mac.ops, ii->mac_ops, sizeof(hw->mac.ops));
hw->mac.type = ii->mac;
......@@ -4131,7 +4128,7 @@ static void ixgbevf_remove(struct pci_dev *pdev)
*
* This function is called after a PCI bus error affecting
* this device has been detected.
*/
**/
static pci_ers_result_t ixgbevf_io_error_detected(struct pci_dev *pdev,
pci_channel_state_t state)
{
......@@ -4166,7 +4163,7 @@ static pci_ers_result_t ixgbevf_io_error_detected(struct pci_dev *pdev,
*
* Restart the card from scratch, as if from a cold-boot. Implementation
* resembles the first-half of the ixgbevf_resume routine.
*/
**/
static pci_ers_result_t ixgbevf_io_slot_reset(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
......@@ -4194,7 +4191,7 @@ static pci_ers_result_t ixgbevf_io_slot_reset(struct pci_dev *pdev)
* This callback is called when the error recovery driver tells us that
* its OK to resume normal operation. Implementation resembles the
* second-half of the ixgbevf_resume routine.
*/
**/
static void ixgbevf_io_resume(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
......@@ -4236,6 +4233,7 @@ static struct pci_driver ixgbevf_driver = {
static int __init ixgbevf_init_module(void)
{
int ret;
pr_info("%s - version %s\n", ixgbevf_driver_string,
ixgbevf_driver_version);
......@@ -4266,6 +4264,7 @@ static void __exit ixgbevf_exit_module(void)
char *ixgbevf_get_hw_dev_name(struct ixgbe_hw *hw)
{
struct ixgbevf_adapter *adapter = hw->back;
return adapter->netdev->name;
}
......
drivers/net/ethernet/intel/ixgbevf/mbx.c
View file @ dec0d8e4
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2012 Intel Corporation.
Copyright(c) 1999 - 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,
......@@ -13,8 +13,7 @@
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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".
......@@ -52,10 +51,10 @@ static s32 ixgbevf_poll_for_msg(struct ixgbe_hw *hw)
}
/**
* ixgbevf_poll_for_ack - Wait for message acknowledgement
* ixgbevf_poll_for_ack - Wait for message acknowledgment
* @hw: pointer to the HW structure
*
* returns 0 if it successfully received a message acknowledgement
* returns 0 if it successfully received a message acknowledgment
**/
static s32 ixgbevf_poll_for_ack(struct ixgbe_hw *hw)
{
......@@ -234,7 +233,7 @@ static s32 ixgbevf_obtain_mbx_lock_vf(struct ixgbe_hw *hw)
/* Take ownership of the buffer */
IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, IXGBE_VFMAILBOX_VFU);
/* reserve mailbox for vf use */
/* reserve mailbox for VF use */
if (ixgbevf_read_v2p_mailbox(hw) & IXGBE_VFMAILBOX_VFU)
ret_val = 0;
......@@ -254,8 +253,7 @@ static s32 ixgbevf_write_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size)
s32 ret_val;
u16 i;
/* lock the mailbox to prevent pf/vf race condition */
/* lock the mailbox to prevent PF/VF race condition */
ret_val = ixgbevf_obtain_mbx_lock_vf(hw);
if (ret_val)
goto out_no_write;
......@@ -279,7 +277,7 @@ static s32 ixgbevf_write_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size)
}
/**
* ixgbevf_read_mbx_vf - Reads a message from the inbox intended for vf
* ixgbevf_read_mbx_vf - Reads a message from the inbox intended for VF
* @hw: pointer to the HW structure
* @msg: The message buffer
* @size: Length of buffer
......@@ -291,7 +289,7 @@ static s32 ixgbevf_read_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size)
s32 ret_val = 0;
u16 i;
/* lock the mailbox to prevent pf/vf race condition */
/* lock the mailbox to prevent PF/VF race condition */
ret_val = ixgbevf_obtain_mbx_lock_vf(hw);
if (ret_val)
goto out_no_read;
......@@ -311,17 +309,18 @@ static s32 ixgbevf_read_mbx_vf(struct ixgbe_hw *hw, u32 *msg, u16 size)
}
/**
* ixgbevf_init_mbx_params_vf - set initial values for vf mailbox
* ixgbevf_init_mbx_params_vf - set initial values for VF mailbox
* @hw: pointer to the HW structure
*
* Initializes the hw->mbx struct to correct values for vf mailbox
* Initializes the hw->mbx struct to correct values for VF mailbox
*/
static s32 ixgbevf_init_mbx_params_vf(struct ixgbe_hw *hw)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
/* start mailbox as timed out and let the reset_hw call set the timeout
* value to begin communications */
* value to begin communications
*/
mbx->timeout = 0;
mbx->udelay = IXGBE_VF_MBX_INIT_DELAY;
......
drivers/net/ethernet/intel/ixgbevf/mbx.h
View file @ dec0d8e4
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2012 Intel Corporation.
Copyright(c) 1999 - 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,
......@@ -13,8 +13,7 @@
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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".
......@@ -61,25 +60,23 @@
#define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */
#define IXGBE_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
/* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
* PF. The reverse is true if it is IXGBE_PF_*.
* Message ACK's are the value or'd with 0xF0000000
*/
#define IXGBE_VT_MSGTYPE_ACK 0x80000000 /* Messages below or'd with
* this are the ACK */
#define IXGBE_VT_MSGTYPE_NACK 0x40000000 /* Messages below or'd with
* this are the NACK */
#define IXGBE_VT_MSGTYPE_CTS 0x20000000 /* Indicates that VF is still
* clear to send requests */
/* Messages below or'd with this are the ACK */
#define IXGBE_VT_MSGTYPE_ACK 0x80000000
/* Messages below or'd with this are the NACK */
#define IXGBE_VT_MSGTYPE_NACK 0x40000000
/* Indicates that VF is still clear to send requests */
#define IXGBE_VT_MSGTYPE_CTS 0x20000000
#define IXGBE_VT_MSGINFO_SHIFT 16
/* bits 23:16 are used for exra info for certain messages */
#define IXGBE_VT_MSGINFO_MASK (0xFF << IXGBE_VT_MSGINFO_SHIFT)
/* definitions to support mailbox API version negotiation */
/*
* each element denotes a version of the API; existing numbers may not
/* each element denotes a version of the API; existing numbers may not
* change; any additions must go at the end
*/
enum ixgbe_pfvf_api_rev {
......@@ -107,7 +104,7 @@ enum ixgbe_pfvf_api_rev {
/* GET_QUEUES return data indices within the mailbox */
#define IXGBE_VF_TX_QUEUES 1 /* number of Tx queues supported */
#define IXGBE_VF_RX_QUEUES 2 /* number of Rx queues supported */
#define IXGBE_VF_TRANS_VLAN 3 /* Indication of port vlan */
#define IXGBE_VF_TRANS_VLAN 3 /* Indication of port VLAN */
#define IXGBE_VF_DEF_QUEUE 4 /* Default queue offset */
/* length of permanent address message returned from PF */
......
drivers/net/ethernet/intel/ixgbevf/regs.h
View file @ dec0d8e4
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2014 Intel Corporation.
Copyright(c) 1999 - 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,
......@@ -13,8 +13,7 @@
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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".
......
drivers/net/ethernet/intel/ixgbevf/vf.c
View file @ dec0d8e4
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2012 Intel Corporation.
Copyright(c) 1999 - 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,
......@@ -13,8 +13,7 @@
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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".
......@@ -102,9 +101,10 @@ static s32 ixgbevf_reset_hw_vf(struct ixgbe_hw *hw)
mdelay(10);
/* set our "perm_addr" based on info provided by PF */
/* also set up the mc_filter_type which is piggy backed
* on the mac address in word 3 */
/* set our "perm_addr" based on info provided by PF
* also set up the mc_filter_type which is piggy backed
* on the mac address in word 3
*/
ret_val = mbx->ops.read_posted(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN);
if (ret_val)
return ret_val;
......@@ -138,8 +138,7 @@ static s32 ixgbevf_stop_hw_vf(struct ixgbe_hw *hw)
u32 reg_val;
u16 i;
/*
* Set the adapter_stopped flag so other driver functions stop touching
/* Set the adapter_stopped flag so other driver functions stop touching
* the hardware
*/
hw->adapter_stopped = true;
......@@ -182,7 +181,7 @@ static s32 ixgbevf_stop_hw_vf(struct ixgbe_hw *hw)
*
* Extracts the 12 bits, from a multicast address, to determine which
* bit-vector to set in the multicast table. The hardware uses 12 bits, from
* incoming rx multicast addresses, to determine the bit-vector to check in
* incoming Rx multicast addresses, to determine the bit-vector to check in
* the MTA. Which of the 4 combination, of 12-bits, the hardware uses is set
* by the MO field of the MCSTCTRL. The MO field is set during initialization
* to mc_filter_type.
......@@ -233,8 +232,7 @@ static s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr)
s32 ret_val;
memset(msgbuf, 0, sizeof(msgbuf));
/*
* If index is one then this is the start of a new list and needs
/* If index is one then this is the start of a new list and needs
* indication to the PF so it can do it's own list management.
* If it is zero then that tells the PF to just clear all of
* this VF's macvlans and there is no new list.
......@@ -348,7 +346,7 @@ static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw,
}
/**
* ixgbevf_set_vfta_vf - Set/Unset vlan filter table address
* ixgbevf_set_vfta_vf - Set/Unset VLAN filter table address
* @hw: pointer to the HW structure
* @vlan: 12 bit VLAN ID
* @vind: unused by VF drivers
......@@ -462,7 +460,8 @@ static s32 ixgbevf_check_mac_link_vf(struct ixgbe_hw *hw,
}
/* if the read failed it could just be a mailbox collision, best wait
* until we are called again and don't report an error */
* until we are called again and don't report an error
*/
if (mbx->ops.read(hw, &in_msg, 1))
goto out;
......@@ -480,7 +479,8 @@ static s32 ixgbevf_check_mac_link_vf(struct ixgbe_hw *hw,
}
/* if we passed all the tests above then the link is up and we no
* longer need to check for link */
* longer need to check for link
*/
mac->get_link_status = false;
out:
......@@ -561,8 +561,7 @@ int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,
if (!err) {
msg[0] &= ~IXGBE_VT_MSGTYPE_CTS;
/*
* if we we didn't get an ACK there must have been
/* if we we didn't get an ACK there must have been
* some sort of mailbox error so we should treat it
* as such
*/
......
drivers/net/ethernet/intel/ixgbevf/vf.h
View file @ dec0d8e4
/*******************************************************************************
Intel 82599 Virtual Function driver
Copyright(c) 1999 - 2014 Intel Corporation.
Copyright(c) 1999 - 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,
......@@ -13,8 +13,7 @@
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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".
......@@ -185,6 +184,7 @@ static inline void ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 value)
return;
writel(value, reg_addr + reg);
}
#define IXGBE_WRITE_REG(h, r, v) ixgbe_write_reg(h, r, v)
u32 ixgbevf_read_reg(struct ixgbe_hw *hw, u32 reg);
......@@ -195,6 +195,7 @@ static inline void ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg,
{
ixgbe_write_reg(hw, reg + (offset << 2), value);
}
#define IXGBE_WRITE_REG_ARRAY(h, r, o, v) ixgbe_write_reg_array(h, r, o, v)
static inline u32 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg,
......@@ -202,6 +203,7 @@ static inline u32 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg,
{
return ixgbevf_read_reg(hw, reg + (offset << 2));
}
#define IXGBE_READ_REG_ARRAY(h, r, o) ixgbe_read_reg_array(h, r, o)
void ixgbevf_rlpml_set_vf(struct ixgbe_hw *hw, u16 max_size);
......@@ -209,4 +211,3 @@ int ixgbevf_negotiate_api_version(struct ixgbe_hw *hw, int api);
int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,
unsigned int *default_tc);
#endif /* __IXGBE_VF_H__ */
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