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Commit cbfc6071 authored by Jan Ceuleers's avatar Jan Ceuleers Committed by David S. Miller
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gianfar_ethtool: coding style and whitespace cleanups 

Signed-off-by: default avatarJan Ceuleers <jan.ceuleers@computer.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3a2e16c8
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Showing with 224 additions and 196 deletions
drivers/net/ethernet/freescale/gianfar_ethtool.c
View file @ cbfc6071
......@@ -46,18 +46,24 @@
#include "gianfar.h"
extern void gfar_start(struct net_device *dev);
extern int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit);
extern int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue,
int rx_work_limit);
#define GFAR_MAX_COAL_USECS 0xffff
#define GFAR_MAX_COAL_FRAMES 0xff
static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
u64 * buf);
u64 *buf);
static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf);
static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals);
static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals);
static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals);
static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals);
static void gfar_gdrvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo);
static int gfar_gcoalesce(struct net_device *dev,
struct ethtool_coalesce *cvals);
static int gfar_scoalesce(struct net_device *dev,
struct ethtool_coalesce *cvals);
static void gfar_gringparam(struct net_device *dev,
struct ethtool_ringparam *rvals);
static int gfar_sringparam(struct net_device *dev,
struct ethtool_ringparam *rvals);
static void gfar_gdrvinfo(struct net_device *dev,
struct ethtool_drvinfo *drvinfo);
static const char stat_gstrings[][ETH_GSTRING_LEN] = {
"rx-dropped-by-kernel",
......@@ -130,14 +136,15 @@ static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf)
memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN);
else
memcpy(buf, stat_gstrings,
GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN);
GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN);
}
/* Fill in an array of 64-bit statistics from various sources.
* This array will be appended to the end of the ethtool_stats
* structure, and returned to user space
*/
static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, u64 * buf)
static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
u64 *buf)
{
int i;
struct gfar_private *priv = netdev_priv(dev);
......@@ -174,8 +181,8 @@ static int gfar_sset_count(struct net_device *dev, int sset)
}
/* Fills in the drvinfo structure with some basic info */
static void gfar_gdrvinfo(struct net_device *dev, struct
ethtool_drvinfo *drvinfo)
static void gfar_gdrvinfo(struct net_device *dev,
struct ethtool_drvinfo *drvinfo)
{
strncpy(drvinfo->driver, DRV_NAME, GFAR_INFOSTR_LEN);
strncpy(drvinfo->version, gfar_driver_version, GFAR_INFOSTR_LEN);
......@@ -226,7 +233,8 @@ static int gfar_reglen(struct net_device *dev)
}
/* Return a dump of the GFAR register space */
static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf)
static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs,
void *regbuf)
{
int i;
struct gfar_private *priv = netdev_priv(dev);
......@@ -239,7 +247,8 @@ static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, voi
/* Convert microseconds to ethernet clock ticks, which changes
* depending on what speed the controller is running at */
static unsigned int gfar_usecs2ticks(struct gfar_private *priv, unsigned int usecs)
static unsigned int gfar_usecs2ticks(struct gfar_private *priv,
unsigned int usecs)
{
unsigned int count;
......@@ -263,7 +272,8 @@ static unsigned int gfar_usecs2ticks(struct gfar_private *priv, unsigned int use
}
/* Convert ethernet clock ticks to microseconds */
static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int ticks)
static unsigned int gfar_ticks2usecs(struct gfar_private *priv,
unsigned int ticks)
{
unsigned int count;
......@@ -288,7 +298,8 @@ static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int tic
/* Get the coalescing parameters, and put them in the cvals
* structure. */
static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
static int gfar_gcoalesce(struct net_device *dev,
struct ethtool_coalesce *cvals)
{
struct gfar_private *priv = netdev_priv(dev);
struct gfar_priv_rx_q *rx_queue = NULL;
......@@ -353,7 +364,8 @@ static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
* Both cvals->*_usecs and cvals->*_frames have to be > 0
* in order for coalescing to be active
*/
static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
static int gfar_scoalesce(struct net_device *dev,
struct ethtool_coalesce *cvals)
{
struct gfar_private *priv = netdev_priv(dev);
int i = 0;
......@@ -364,7 +376,8 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
/* Set up rx coalescing */
/* As of now, we will enable/disable coalescing for all
* queues together in case of eTSEC2, this will be modified
* along with the ethtool interface */
* along with the ethtool interface
*/
if ((cvals->rx_coalesce_usecs == 0) ||
(cvals->rx_max_coalesced_frames == 0)) {
for (i = 0; i < priv->num_rx_queues; i++)
......@@ -433,7 +446,8 @@ static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals
/* Fills in rvals with the current ring parameters. Currently,
* rx, rx_mini, and rx_jumbo rings are the same size, as mini and
* jumbo are ignored by the driver */
static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals)
static void gfar_gringparam(struct net_device *dev,
struct ethtool_ringparam *rvals)
{
struct gfar_private *priv = netdev_priv(dev);
struct gfar_priv_tx_q *tx_queue = NULL;
......@@ -459,8 +473,10 @@ static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rv
/* Change the current ring parameters, stopping the controller if
* necessary so that we don't mess things up while we're in
* motion. We wait for the ring to be clean before reallocating
* the rings. */
static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals)
* the rings.
*/
static int gfar_sringparam(struct net_device *dev,
struct ethtool_ringparam *rvals)
{
struct gfar_private *priv = netdev_priv(dev);
int err = 0, i = 0;
......@@ -486,7 +502,8 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva
unsigned long flags;
/* Halt TX and RX, and process the frames which
* have already been received */
* have already been received
*/
local_irq_save(flags);
lock_tx_qs(priv);
lock_rx_qs(priv);
......@@ -499,7 +516,7 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva
for (i = 0; i < priv->num_rx_queues; i++)
gfar_clean_rx_ring(priv->rx_queue[i],
priv->rx_queue[i]->rx_ring_size);
priv->rx_queue[i]->rx_ring_size);
/* Now we take down the rings to rebuild them */
stop_gfar(dev);
......@@ -509,7 +526,8 @@ static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rva
for (i = 0; i < priv->num_rx_queues; i++) {
priv->rx_queue[i]->rx_ring_size = rvals->rx_pending;
priv->tx_queue[i]->tx_ring_size = rvals->tx_pending;
priv->tx_queue[i]->num_txbdfree = priv->tx_queue[i]->tx_ring_size;
priv->tx_queue[i]->num_txbdfree =
priv->tx_queue[i]->tx_ring_size;
}
/* Rebuild the rings with the new size */
......@@ -535,7 +553,8 @@ int gfar_set_features(struct net_device *dev, netdev_features_t features)
if (dev->flags & IFF_UP) {
/* Halt TX and RX, and process the frames which
* have already been received */
* have already been received
*/
local_irq_save(flags);
lock_tx_qs(priv);
lock_rx_qs(priv);
......@@ -548,7 +567,7 @@ int gfar_set_features(struct net_device *dev, netdev_features_t features)
for (i = 0; i < priv->num_rx_queues; i++)
gfar_clean_rx_ring(priv->rx_queue[i],
priv->rx_queue[i]->rx_ring_size);
priv->rx_queue[i]->rx_ring_size);
/* Now we take down the rings to rebuild them */
stop_gfar(dev);
......@@ -564,12 +583,14 @@ int gfar_set_features(struct net_device *dev, netdev_features_t features)
static uint32_t gfar_get_msglevel(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
return priv->msg_enable;
}
static void gfar_set_msglevel(struct net_device *dev, uint32_t data)
{
struct gfar_private *priv = netdev_priv(dev);
priv->msg_enable = data;
}
......@@ -614,14 +635,14 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & RXH_L2DA) {
fcr = RQFCR_PID_DAH |RQFCR_CMP_NOMATCH |
RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
priv->cur_filer_idx = priv->cur_filer_idx - 1;
fcr = RQFCR_PID_DAL | RQFCR_AND | RQFCR_CMP_NOMATCH |
RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
......@@ -630,7 +651,7 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & RXH_VLAN) {
fcr = RQFCR_PID_VID | RQFCR_CMP_NOMATCH | RQFCR_HASH |
RQFCR_AND | RQFCR_HASHTBL_0;
RQFCR_AND | RQFCR_HASHTBL_0;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
......@@ -639,7 +660,7 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & RXH_IP_SRC) {
fcr = RQFCR_PID_SIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
RQFCR_AND | RQFCR_HASHTBL_0;
RQFCR_AND | RQFCR_HASHTBL_0;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
......@@ -648,7 +669,7 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & (RXH_IP_DST)) {
fcr = RQFCR_PID_DIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
RQFCR_AND | RQFCR_HASHTBL_0;
RQFCR_AND | RQFCR_HASHTBL_0;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
......@@ -657,7 +678,7 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & RXH_L3_PROTO) {
fcr = RQFCR_PID_L4P | RQFCR_CMP_NOMATCH | RQFCR_HASH |
RQFCR_AND | RQFCR_HASHTBL_0;
RQFCR_AND | RQFCR_HASHTBL_0;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
......@@ -666,7 +687,7 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & RXH_L4_B_0_1) {
fcr = RQFCR_PID_SPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
RQFCR_AND | RQFCR_HASHTBL_0;
RQFCR_AND | RQFCR_HASHTBL_0;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
......@@ -675,7 +696,7 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
if (ethflow & RXH_L4_B_2_3) {
fcr = RQFCR_PID_DPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
RQFCR_AND | RQFCR_HASHTBL_0;
RQFCR_AND | RQFCR_HASHTBL_0;
priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
......@@ -683,7 +704,8 @@ static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
}
}
static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u64 class)
static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow,
u64 class)
{
unsigned int last_rule_idx = priv->cur_filer_idx;
unsigned int cmp_rqfpr;
......@@ -694,9 +716,9 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
int ret = 1;
local_rqfpr = kmalloc(sizeof(unsigned int) * (MAX_FILER_IDX + 1),
GFP_KERNEL);
GFP_KERNEL);
local_rqfcr = kmalloc(sizeof(unsigned int) * (MAX_FILER_IDX + 1),
GFP_KERNEL);
GFP_KERNEL);
if (!local_rqfpr || !local_rqfcr) {
pr_err("Out of memory\n");
ret = 0;
......@@ -726,9 +748,9 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
local_rqfpr[j] = priv->ftp_rqfpr[i];
local_rqfcr[j] = priv->ftp_rqfcr[i];
j--;
if ((priv->ftp_rqfcr[i] == (RQFCR_PID_PARSE |
RQFCR_CLE |RQFCR_AND)) &&
(priv->ftp_rqfpr[i] == cmp_rqfpr))
if ((priv->ftp_rqfcr[i] ==
(RQFCR_PID_PARSE | RQFCR_CLE | RQFCR_AND)) &&
(priv->ftp_rqfpr[i] == cmp_rqfpr))
break;
}
......@@ -743,12 +765,12 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
*/
for (l = i+1; l < MAX_FILER_IDX; l++) {
if ((priv->ftp_rqfcr[l] & RQFCR_CLE) &&
!(priv->ftp_rqfcr[l] & RQFCR_AND)) {
!(priv->ftp_rqfcr[l] & RQFCR_AND)) {
priv->ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT |
RQFCR_HASHTBL_0 | RQFCR_PID_MASK;
RQFCR_HASHTBL_0 | RQFCR_PID_MASK;
priv->ftp_rqfpr[l] = FPR_FILER_MASK;
gfar_write_filer(priv, l, priv->ftp_rqfcr[l],
priv->ftp_rqfpr[l]);
priv->ftp_rqfpr[l]);
break;
}
......@@ -773,7 +795,7 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
priv->ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k];
priv->ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k];
gfar_write_filer(priv, priv->cur_filer_idx,
local_rqfcr[k], local_rqfpr[k]);
local_rqfcr[k], local_rqfpr[k]);
if (!priv->cur_filer_idx)
break;
priv->cur_filer_idx = priv->cur_filer_idx - 1;
......@@ -785,7 +807,8 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u
return ret;
}
static int gfar_set_hash_opts(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
static int gfar_set_hash_opts(struct gfar_private *priv,
struct ethtool_rxnfc *cmd)
{
/* write the filer rules here */
if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type))
......@@ -810,10 +833,10 @@ static int gfar_check_filer_hardware(struct gfar_private *priv)
i &= RCTRL_PRSDEP_MASK | RCTRL_PRSFM;
if (i == (RCTRL_PRSDEP_MASK | RCTRL_PRSFM)) {
netdev_info(priv->ndev,
"Receive Queue Filtering enabled\n");
"Receive Queue Filtering enabled\n");
} else {
netdev_warn(priv->ndev,
"Receive Queue Filtering disabled\n");
"Receive Queue Filtering disabled\n");
return -EOPNOTSUPP;
}
}
......@@ -823,16 +846,17 @@ static int gfar_check_filer_hardware(struct gfar_private *priv)
i &= RCTRL_PRSDEP_MASK;
if (i == RCTRL_PRSDEP_MASK) {
netdev_info(priv->ndev,
"Receive Queue Filtering enabled\n");
"Receive Queue Filtering enabled\n");
} else {
netdev_warn(priv->ndev,
"Receive Queue Filtering disabled\n");
"Receive Queue Filtering disabled\n");
return -EOPNOTSUPP;
}
}
/* Sets the properties for arbitrary filer rule
* to the first 4 Layer 4 Bytes */
* to the first 4 Layer 4 Bytes
*/
regs->rbifx = 0xC0C1C2C3;
return 0;
}
......@@ -870,14 +894,14 @@ static void gfar_set_mask(u32 mask, struct filer_table *tab)
static void gfar_set_parse_bits(u32 value, u32 mask, struct filer_table *tab)
{
gfar_set_mask(mask, tab);
tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_PID_PARSE
| RQFCR_AND;
tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_PID_PARSE |
RQFCR_AND;
tab->fe[tab->index].prop = value;
tab->index++;
}
static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag,
struct filer_table *tab)
struct filer_table *tab)
{
gfar_set_mask(mask, tab);
tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_AND | flag;
......@@ -885,8 +909,7 @@ static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag,
tab->index++;
}
/*
* For setting a tuple of value and mask of type flag
/* For setting a tuple of value and mask of type flag
* Example:
* IP-Src = 10.0.0.0/255.0.0.0
* value: 0x0A000000 mask: FF000000 flag: RQFPR_IPV4
......@@ -901,7 +924,7 @@ static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag,
* Further the all masks are one-padded for better hardware efficiency.
*/
static void gfar_set_attribute(u32 value, u32 mask, u32 flag,
struct filer_table *tab)
struct filer_table *tab)
{
switch (flag) {
/* 3bit */
......@@ -959,7 +982,8 @@ static void gfar_set_attribute(u32 value, u32 mask, u32 flag,
/* Translates value and mask for UDP, TCP or SCTP */
static void gfar_set_basic_ip(struct ethtool_tcpip4_spec *value,
struct ethtool_tcpip4_spec *mask, struct filer_table *tab)
struct ethtool_tcpip4_spec *mask,
struct filer_table *tab)
{
gfar_set_attribute(value->ip4src, mask->ip4src, RQFCR_PID_SIA, tab);
gfar_set_attribute(value->ip4dst, mask->ip4dst, RQFCR_PID_DIA, tab);
......@@ -970,97 +994,92 @@ static void gfar_set_basic_ip(struct ethtool_tcpip4_spec *value,
/* Translates value and mask for RAW-IP4 */
static void gfar_set_user_ip(struct ethtool_usrip4_spec *value,
struct ethtool_usrip4_spec *mask, struct filer_table *tab)
struct ethtool_usrip4_spec *mask,
struct filer_table *tab)
{
gfar_set_attribute(value->ip4src, mask->ip4src, RQFCR_PID_SIA, tab);
gfar_set_attribute(value->ip4dst, mask->ip4dst, RQFCR_PID_DIA, tab);
gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab);
gfar_set_attribute(value->proto, mask->proto, RQFCR_PID_L4P, tab);
gfar_set_attribute(value->l4_4_bytes, mask->l4_4_bytes, RQFCR_PID_ARB,
tab);
tab);
}
/* Translates value and mask for ETHER spec */
static void gfar_set_ether(struct ethhdr *value, struct ethhdr *mask,
struct filer_table *tab)
struct filer_table *tab)
{
u32 upper_temp_mask = 0;
u32 lower_temp_mask = 0;
/* Source address */
if (!is_broadcast_ether_addr(mask->h_source)) {
if (is_zero_ether_addr(mask->h_source)) {
upper_temp_mask = 0xFFFFFFFF;
lower_temp_mask = 0xFFFFFFFF;
} else {
upper_temp_mask = mask->h_source[0] << 16
| mask->h_source[1] << 8
| mask->h_source[2];
lower_temp_mask = mask->h_source[3] << 16
| mask->h_source[4] << 8
| mask->h_source[5];
upper_temp_mask = mask->h_source[0] << 16 |
mask->h_source[1] << 8 |
mask->h_source[2];
lower_temp_mask = mask->h_source[3] << 16 |
mask->h_source[4] << 8 |
mask->h_source[5];
}
/* Upper 24bit */
gfar_set_attribute(
value->h_source[0] << 16 | value->h_source[1]
<< 8 | value->h_source[2],
upper_temp_mask, RQFCR_PID_SAH, tab);
gfar_set_attribute(value->h_source[0] << 16 |
value->h_source[1] << 8 |
value->h_source[2],
upper_temp_mask, RQFCR_PID_SAH, tab);
/* And the same for the lower part */
gfar_set_attribute(
value->h_source[3] << 16 | value->h_source[4]
<< 8 | value->h_source[5],
lower_temp_mask, RQFCR_PID_SAL, tab);
gfar_set_attribute(value->h_source[3] << 16 |
value->h_source[4] << 8 |
value->h_source[5],
lower_temp_mask, RQFCR_PID_SAL, tab);
}
/* Destination address */
if (!is_broadcast_ether_addr(mask->h_dest)) {
/* Special for destination is limited broadcast */
if ((is_broadcast_ether_addr(value->h_dest)
&& is_zero_ether_addr(mask->h_dest))) {
if ((is_broadcast_ether_addr(value->h_dest) &&
is_zero_ether_addr(mask->h_dest))) {
gfar_set_parse_bits(RQFPR_EBC, RQFPR_EBC, tab);
} else {
if (is_zero_ether_addr(mask->h_dest)) {
upper_temp_mask = 0xFFFFFFFF;
lower_temp_mask = 0xFFFFFFFF;
} else {
upper_temp_mask = mask->h_dest[0] << 16
| mask->h_dest[1] << 8
| mask->h_dest[2];
lower_temp_mask = mask->h_dest[3] << 16
| mask->h_dest[4] << 8
| mask->h_dest[5];
upper_temp_mask = mask->h_dest[0] << 16 |
mask->h_dest[1] << 8 |
mask->h_dest[2];
lower_temp_mask = mask->h_dest[3] << 16 |
mask->h_dest[4] << 8 |
mask->h_dest[5];
}
/* Upper 24bit */
gfar_set_attribute(
value->h_dest[0] << 16
| value->h_dest[1] << 8
| value->h_dest[2],
upper_temp_mask, RQFCR_PID_DAH, tab);
gfar_set_attribute(value->h_dest[0] << 16 |
value->h_dest[1] << 8 |
value->h_dest[2],
upper_temp_mask, RQFCR_PID_DAH, tab);
/* And the same for the lower part */
gfar_set_attribute(
value->h_dest[3] << 16
| value->h_dest[4] << 8
| value->h_dest[5],
lower_temp_mask, RQFCR_PID_DAL, tab);
gfar_set_attribute(value->h_dest[3] << 16 |
value->h_dest[4] << 8 |
value->h_dest[5],
lower_temp_mask, RQFCR_PID_DAL, tab);
}
}
gfar_set_attribute(value->h_proto, mask->h_proto, RQFCR_PID_ETY, tab);
}
/* Convert a rule to binary filter format of gianfar */
static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
struct filer_table *tab)
struct filer_table *tab)
{
u32 vlan = 0, vlan_mask = 0;
u32 id = 0, id_mask = 0;
u32 cfi = 0, cfi_mask = 0;
u32 prio = 0, prio_mask = 0;
u32 old_index = tab->index;
/* Check if vlan is wanted */
......@@ -1076,13 +1095,16 @@ static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
id_mask = rule->m_ext.vlan_tci & VLAN_VID_MASK;
cfi = rule->h_ext.vlan_tci & VLAN_CFI_MASK;
cfi_mask = rule->m_ext.vlan_tci & VLAN_CFI_MASK;
prio = (rule->h_ext.vlan_tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
prio_mask = (rule->m_ext.vlan_tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
prio = (rule->h_ext.vlan_tci & VLAN_PRIO_MASK) >>
VLAN_PRIO_SHIFT;
prio_mask = (rule->m_ext.vlan_tci & VLAN_PRIO_MASK) >>
VLAN_PRIO_SHIFT;
if (cfi == VLAN_TAG_PRESENT && cfi_mask == VLAN_TAG_PRESENT) {
vlan |= RQFPR_CFI;
vlan_mask |= RQFPR_CFI;
} else if (cfi != VLAN_TAG_PRESENT && cfi_mask == VLAN_TAG_PRESENT) {
} else if (cfi != VLAN_TAG_PRESENT &&
cfi_mask == VLAN_TAG_PRESENT) {
vlan_mask |= RQFPR_CFI;
}
}
......@@ -1090,34 +1112,36 @@ static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
switch (rule->flow_type & ~FLOW_EXT) {
case TCP_V4_FLOW:
gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_TCP | vlan,
RQFPR_IPV4 | RQFPR_TCP | vlan_mask, tab);
RQFPR_IPV4 | RQFPR_TCP | vlan_mask, tab);
gfar_set_basic_ip(&rule->h_u.tcp_ip4_spec,
&rule->m_u.tcp_ip4_spec, tab);
&rule->m_u.tcp_ip4_spec, tab);
break;
case UDP_V4_FLOW:
gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_UDP | vlan,
RQFPR_IPV4 | RQFPR_UDP | vlan_mask, tab);
RQFPR_IPV4 | RQFPR_UDP | vlan_mask, tab);
gfar_set_basic_ip(&rule->h_u.udp_ip4_spec,
&rule->m_u.udp_ip4_spec, tab);
&rule->m_u.udp_ip4_spec, tab);
break;
case SCTP_V4_FLOW:
gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
tab);
tab);
gfar_set_attribute(132, 0, RQFCR_PID_L4P, tab);
gfar_set_basic_ip((struct ethtool_tcpip4_spec *) &rule->h_u,
(struct ethtool_tcpip4_spec *) &rule->m_u, tab);
gfar_set_basic_ip((struct ethtool_tcpip4_spec *)&rule->h_u,
(struct ethtool_tcpip4_spec *)&rule->m_u,
tab);
break;
case IP_USER_FLOW:
gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
tab);
tab);
gfar_set_user_ip((struct ethtool_usrip4_spec *) &rule->h_u,
(struct ethtool_usrip4_spec *) &rule->m_u, tab);
(struct ethtool_usrip4_spec *) &rule->m_u,
tab);
break;
case ETHER_FLOW:
if (vlan)
gfar_set_parse_bits(vlan, vlan_mask, tab);
gfar_set_ether((struct ethhdr *) &rule->h_u,
(struct ethhdr *) &rule->m_u, tab);
(struct ethhdr *) &rule->m_u, tab);
break;
default:
return -1;
......@@ -1152,7 +1176,9 @@ static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
tab->fe[tab->index - 1].ctrl |= RQFCR_CLE;
}
/* In rare cases the cache can be full while there is free space in hw */
/* In rare cases the cache can be full while there is
* free space in hw
*/
if (tab->index > MAX_FILER_CACHE_IDX - 1)
return -EBUSY;
......@@ -1161,7 +1187,7 @@ static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
/* Copy size filer entries */
static void gfar_copy_filer_entries(struct gfar_filer_entry dst[0],
struct gfar_filer_entry src[0], s32 size)
struct gfar_filer_entry src[0], s32 size)
{
while (size > 0) {
size--;
......@@ -1171,10 +1197,12 @@ static void gfar_copy_filer_entries(struct gfar_filer_entry dst[0],
}
/* Delete the contents of the filer-table between start and end
* and collapse them */
* and collapse them
*/
static int gfar_trim_filer_entries(u32 begin, u32 end, struct filer_table *tab)
{
int length;
if (end > MAX_FILER_CACHE_IDX || end < begin)
return -EINVAL;
......@@ -1200,14 +1228,14 @@ static int gfar_trim_filer_entries(u32 begin, u32 end, struct filer_table *tab)
/* Make space on the wanted location */
static int gfar_expand_filer_entries(u32 begin, u32 length,
struct filer_table *tab)
struct filer_table *tab)
{
if (length == 0 || length + tab->index > MAX_FILER_CACHE_IDX || begin
> MAX_FILER_CACHE_IDX)
if (length == 0 || length + tab->index > MAX_FILER_CACHE_IDX ||
begin > MAX_FILER_CACHE_IDX)
return -EINVAL;
gfar_copy_filer_entries(&(tab->fe[begin + length]), &(tab->fe[begin]),
tab->index - length + 1);
tab->index - length + 1);
tab->index += length;
return 0;
......@@ -1215,9 +1243,10 @@ static int gfar_expand_filer_entries(u32 begin, u32 length,
static int gfar_get_next_cluster_start(int start, struct filer_table *tab)
{
for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1); start++) {
if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE))
== (RQFCR_AND | RQFCR_CLE))
for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1);
start++) {
if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE)) ==
(RQFCR_AND | RQFCR_CLE))
return start;
}
return -1;
......@@ -1225,16 +1254,16 @@ static int gfar_get_next_cluster_start(int start, struct filer_table *tab)
static int gfar_get_next_cluster_end(int start, struct filer_table *tab)
{
for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1); start++) {
if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE))
== (RQFCR_CLE))
for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1);
start++) {
if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE)) ==
(RQFCR_CLE))
return start;
}
return -1;
}
/*
* Uses hardwares clustering option to reduce
/* Uses hardwares clustering option to reduce
* the number of filer table entries
*/
static void gfar_cluster_filer(struct filer_table *tab)
......@@ -1244,8 +1273,7 @@ static void gfar_cluster_filer(struct filer_table *tab)
while ((i = gfar_get_next_cluster_start(++i, tab)) != -1) {
j = i;
while ((j = gfar_get_next_cluster_start(++j, tab)) != -1) {
/*
* The cluster entries self and the previous one
/* The cluster entries self and the previous one
* (a mask) must be identical!
*/
if (tab->fe[i].ctrl != tab->fe[j].ctrl)
......@@ -1260,21 +1288,21 @@ static void gfar_cluster_filer(struct filer_table *tab)
jend = gfar_get_next_cluster_end(j, tab);
if (jend == -1 || iend == -1)
break;
/*
* First we make some free space, where our cluster
/* First we make some free space, where our cluster
* element should be. Then we copy it there and finally
* delete in from its old location.
*/
if (gfar_expand_filer_entries(iend, (jend - j), tab)
== -EINVAL)
if (gfar_expand_filer_entries(iend, (jend - j), tab) ==
-EINVAL)
break;
gfar_copy_filer_entries(&(tab->fe[iend + 1]),
&(tab->fe[jend + 1]), jend - j);
&(tab->fe[jend + 1]), jend - j);
if (gfar_trim_filer_entries(jend - 1,
jend + (jend - j), tab) == -EINVAL)
jend + (jend - j),
tab) == -EINVAL)
return;
/* Mask out cluster bit */
......@@ -1285,8 +1313,9 @@ static void gfar_cluster_filer(struct filer_table *tab)
/* Swaps the masked bits of a1<>a2 and b1<>b2 */
static void gfar_swap_bits(struct gfar_filer_entry *a1,
struct gfar_filer_entry *a2, struct gfar_filer_entry *b1,
struct gfar_filer_entry *b2, u32 mask)
struct gfar_filer_entry *a2,
struct gfar_filer_entry *b1,
struct gfar_filer_entry *b2, u32 mask)
{
u32 temp[4];
temp[0] = a1->ctrl & mask;
......@@ -1305,13 +1334,12 @@ static void gfar_swap_bits(struct gfar_filer_entry *a1,
b2->ctrl |= temp[2];
}
/*
* Generate a list consisting of masks values with their start and
/* Generate a list consisting of masks values with their start and
* end of validity and block as indicator for parts belonging
* together (glued by ANDs) in mask_table
*/
static u32 gfar_generate_mask_table(struct gfar_mask_entry *mask_table,
struct filer_table *tab)
struct filer_table *tab)
{
u32 i, and_index = 0, block_index = 1;
......@@ -1327,13 +1355,13 @@ static u32 gfar_generate_mask_table(struct gfar_mask_entry *mask_table,
and_index++;
}
/* cluster starts and ends will be separated because they should
* hold their position */
* hold their position
*/
if (tab->fe[i].ctrl & RQFCR_CLE)
block_index++;
/* A not set AND indicates the end of a depended block */
if (!(tab->fe[i].ctrl & RQFCR_AND))
block_index++;
}
mask_table[and_index - 1].end = i - 1;
......@@ -1341,14 +1369,13 @@ static u32 gfar_generate_mask_table(struct gfar_mask_entry *mask_table,
return and_index;
}
/*
* Sorts the entries of mask_table by the values of the masks.
/* Sorts the entries of mask_table by the values of the masks.
* Important: The 0xFF80 flags of the first and last entry of a
* block must hold their position (which queue, CLusterEnable, ReJEct,
* AND)
*/
static void gfar_sort_mask_table(struct gfar_mask_entry *mask_table,
struct filer_table *temp_table, u32 and_index)
struct filer_table *temp_table, u32 and_index)
{
/* Pointer to compare function (_asc or _desc) */
int (*gfar_comp)(const void *, const void *);
......@@ -1359,16 +1386,16 @@ static void gfar_sort_mask_table(struct gfar_mask_entry *mask_table,
gfar_comp = &gfar_comp_desc;
for (i = 0; i < and_index; i++) {
if (prev != mask_table[i].block) {
old_first = mask_table[start].start + 1;
old_last = mask_table[i - 1].end;
sort(mask_table + start, size,
sizeof(struct gfar_mask_entry),
gfar_comp, &gfar_swap);
sizeof(struct gfar_mask_entry),
gfar_comp, &gfar_swap);
/* Toggle order for every block. This makes the
* thing more efficient! */
* thing more efficient!
*/
if (gfar_comp == gfar_comp_desc)
gfar_comp = &gfar_comp_asc;
else
......@@ -1378,12 +1405,11 @@ static void gfar_sort_mask_table(struct gfar_mask_entry *mask_table,
new_last = mask_table[i - 1].end;
gfar_swap_bits(&temp_table->fe[new_first],
&temp_table->fe[old_first],
&temp_table->fe[new_last],
&temp_table->fe[old_last],
RQFCR_QUEUE | RQFCR_CLE |
RQFCR_RJE | RQFCR_AND
);
&temp_table->fe[old_first],
&temp_table->fe[new_last],
&temp_table->fe[old_last],
RQFCR_QUEUE | RQFCR_CLE |
RQFCR_RJE | RQFCR_AND);
start = i;
size = 0;
......@@ -1391,11 +1417,9 @@ static void gfar_sort_mask_table(struct gfar_mask_entry *mask_table,
size++;
prev = mask_table[i].block;
}
}
/*
* Reduces the number of masks needed in the filer table to save entries
/* Reduces the number of masks needed in the filer table to save entries
* This is done by sorting the masks of a depended block. A depended block is
* identified by gluing ANDs or CLE. The sorting order toggles after every
* block. Of course entries in scope of a mask must change their location with
......@@ -1410,13 +1434,14 @@ static int gfar_optimize_filer_masks(struct filer_table *tab)
s32 ret = 0;
/* We need a copy of the filer table because
* we want to change its order */
* we want to change its order
*/
temp_table = kmemdup(tab, sizeof(*temp_table), GFP_KERNEL);
if (temp_table == NULL)
return -ENOMEM;
mask_table = kcalloc(MAX_FILER_CACHE_IDX / 2 + 1,
sizeof(struct gfar_mask_entry), GFP_KERNEL);
sizeof(struct gfar_mask_entry), GFP_KERNEL);
if (mask_table == NULL) {
ret = -ENOMEM;
......@@ -1428,7 +1453,8 @@ static int gfar_optimize_filer_masks(struct filer_table *tab)
gfar_sort_mask_table(mask_table, temp_table, and_index);
/* Now we can copy the data from our duplicated filer table to
* the real one in the order the mask table says */
* the real one in the order the mask table says
*/
for (i = 0; i < and_index; i++) {
size = mask_table[i].end - mask_table[i].start + 1;
gfar_copy_filer_entries(&(tab->fe[j]),
......@@ -1437,7 +1463,8 @@ static int gfar_optimize_filer_masks(struct filer_table *tab)
}
/* And finally we just have to check for duplicated masks and drop the
* second ones */
* second ones
*/
for (i = 0; i < tab->index && i < MAX_FILER_CACHE_IDX; i++) {
if (tab->fe[i].ctrl == 0x80) {
previous_mask = i++;
......@@ -1448,7 +1475,8 @@ static int gfar_optimize_filer_masks(struct filer_table *tab)
if (tab->fe[i].ctrl == 0x80) {
if (tab->fe[i].prop == tab->fe[previous_mask].prop) {
/* Two identical ones found!
* So drop the second one! */
* So drop the second one!
*/
gfar_trim_filer_entries(i, i, tab);
} else
/* Not identical! */
......@@ -1463,7 +1491,7 @@ end: kfree(temp_table);
/* Write the bit-pattern from software's buffer to hardware registers */
static int gfar_write_filer_table(struct gfar_private *priv,
struct filer_table *tab)
struct filer_table *tab)
{
u32 i = 0;
if (tab->index > MAX_FILER_IDX - 1)
......@@ -1473,13 +1501,15 @@ static int gfar_write_filer_table(struct gfar_private *priv,
lock_rx_qs(priv);
/* Fill regular entries */
for (; i < MAX_FILER_IDX - 1 && (tab->fe[i].ctrl | tab->fe[i].ctrl); i++)
for (; i < MAX_FILER_IDX - 1 && (tab->fe[i].ctrl | tab->fe[i].ctrl);
i++)
gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop);
/* Fill the rest with fall-troughs */
for (; i < MAX_FILER_IDX - 1; i++)
gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF);
/* Last entry must be default accept
* because that's what people expect */
* because that's what people expect
*/
gfar_write_filer(priv, i, 0x20, 0x0);
unlock_rx_qs(priv);
......@@ -1488,21 +1518,21 @@ static int gfar_write_filer_table(struct gfar_private *priv,
}
static int gfar_check_capability(struct ethtool_rx_flow_spec *flow,
struct gfar_private *priv)
struct gfar_private *priv)
{
if (flow->flow_type & FLOW_EXT) {
if (~flow->m_ext.data[0] || ~flow->m_ext.data[1])
netdev_warn(priv->ndev,
"User-specific data not supported!\n");
"User-specific data not supported!\n");
if (~flow->m_ext.vlan_etype)
netdev_warn(priv->ndev,
"VLAN-etype not supported!\n");
"VLAN-etype not supported!\n");
}
if (flow->flow_type == IP_USER_FLOW)
if (flow->h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4)
netdev_warn(priv->ndev,
"IP-Version differing from IPv4 not supported!\n");
"IP-Version differing from IPv4 not supported!\n");
return 0;
}
......@@ -1520,15 +1550,18 @@ static int gfar_process_filer_changes(struct gfar_private *priv)
return -ENOMEM;
/* Now convert the existing filer data from flow_spec into
* filer tables binary format */
* filer tables binary format
*/
list_for_each_entry(j, &priv->rx_list.list, list) {
ret = gfar_convert_to_filer(&j->fs, tab);
if (ret == -EBUSY) {
netdev_err(priv->ndev, "Rule not added: No free space!\n");
netdev_err(priv->ndev,
"Rule not added: No free space!\n");
goto end;
}
if (ret == -1) {
netdev_err(priv->ndev, "Rule not added: Unsupported Flow-type!\n");
netdev_err(priv->ndev,
"Rule not added: Unsupported Flow-type!\n");
goto end;
}
}
......@@ -1540,9 +1573,9 @@ static int gfar_process_filer_changes(struct gfar_private *priv)
gfar_optimize_filer_masks(tab);
pr_debug("\n\tSummary:\n"
"\tData on hardware: %d\n"
"\tCompression rate: %d%%\n",
tab->index, 100 - (100 * tab->index) / i);
"\tData on hardware: %d\n"
"\tCompression rate: %d%%\n",
tab->index, 100 - (100 * tab->index) / i);
/* Write everything to hardware */
ret = gfar_write_filer_table(priv, tab);
......@@ -1551,7 +1584,8 @@ static int gfar_process_filer_changes(struct gfar_private *priv)
goto end;
}
end: kfree(tab);
end:
kfree(tab);
return ret;
}
......@@ -1569,7 +1603,7 @@ static void gfar_invert_masks(struct ethtool_rx_flow_spec *flow)
}
static int gfar_add_cls(struct gfar_private *priv,
struct ethtool_rx_flow_spec *flow)
struct ethtool_rx_flow_spec *flow)
{
struct ethtool_flow_spec_container *temp, *comp;
int ret = 0;
......@@ -1591,7 +1625,6 @@ static int gfar_add_cls(struct gfar_private *priv,
list_add(&temp->list, &priv->rx_list.list);
goto process;
} else {
list_for_each_entry(comp, &priv->rx_list.list, list) {
if (comp->fs.location > flow->location) {
list_add_tail(&temp->list, &comp->list);
......@@ -1599,8 +1632,8 @@ static int gfar_add_cls(struct gfar_private *priv,
}
if (comp->fs.location == flow->location) {
netdev_err(priv->ndev,
"Rule not added: ID %d not free!\n",
flow->location);
"Rule not added: ID %d not free!\n",
flow->location);
ret = -EBUSY;
goto clean_mem;
}
......@@ -1642,7 +1675,6 @@ static int gfar_del_cls(struct gfar_private *priv, u32 loc)
}
return ret;
}
static int gfar_get_cls(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
......@@ -1663,7 +1695,7 @@ static int gfar_get_cls(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
}
static int gfar_get_cls_all(struct gfar_private *priv,
struct ethtool_rxnfc *cmd, u32 *rule_locs)
struct ethtool_rxnfc *cmd, u32 *rule_locs)
{
struct ethtool_flow_spec_container *comp;
u32 i = 0;
......@@ -1714,7 +1746,7 @@ static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
}
static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
u32 *rule_locs)
u32 *rule_locs)
{
struct gfar_private *priv = netdev_priv(dev);
int ret = 0;
......@@ -1748,23 +1780,19 @@ static int gfar_get_ts_info(struct net_device *dev,
struct gfar_private *priv = netdev_priv(dev);
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)) {
info->so_timestamping =
SOF_TIMESTAMPING_RX_SOFTWARE |
SOF_TIMESTAMPING_SOFTWARE;
info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
SOF_TIMESTAMPING_SOFTWARE;
info->phc_index = -1;
return 0;
}
info->so_timestamping =
SOF_TIMESTAMPING_TX_HARDWARE |
SOF_TIMESTAMPING_RX_HARDWARE |
SOF_TIMESTAMPING_RAW_HARDWARE;
info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
SOF_TIMESTAMPING_RX_HARDWARE |
SOF_TIMESTAMPING_RAW_HARDWARE;
info->phc_index = gfar_phc_index;
info->tx_types =
(1 << HWTSTAMP_TX_OFF) |
(1 << HWTSTAMP_TX_ON);
info->rx_filters =
(1 << HWTSTAMP_FILTER_NONE) |
(1 << HWTSTAMP_FILTER_ALL);
info->tx_types = (1 << HWTSTAMP_TX_OFF) |
(1 << HWTSTAMP_TX_ON);
info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
(1 << HWTSTAMP_FILTER_ALL);
return 0;
}
......
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