d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

igb: migrate flex filter to new API

Browse Source 
This patch defines new functions dealing with flex filter.
It removes old functions of flex filter in igb driver.
Syn filter is dealt with through entrance eth_igb_filter_ctrl.

Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
This commit is contained in:
Jingjing Wu 2015-02-21 01:53:08 +00:00 committed by Thomas Monjalon
parent 2d72306de1
commit 231d43909a
2 changed files with 228 additions and 125 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
lib/librte_pmd_e1000/e1000_ethdev.h
View File

@ -78,11 +78,16 @@
#define E1000_MAX_TTQF_FILTERS 8
#define E1000_2TUPLE_MAX_PRI 7
#define E1000_MAX_FLEXIBLE_FILTERS 8
#define E1000_MAX_FLEX_FILTERS 8
#define E1000_MAX_FHFT 4
#define E1000_MAX_FHFT_EXT 4
#define E1000_FHFT_SIZE_IN_DWD 64
#define E1000_MAX_FLEX_FILTER_PRI 7
#define E1000_MAX_FLEX_FILTER_LEN 128
#define E1000_MAX_FLEX_FILTER_DWDS \
(E1000_MAX_FLEX_FILTER_LEN / sizeof(uint32_t))
#define E1000_FLEX_FILTERS_MASK_SIZE \
(E1000_MAX_FLEX_FILTER_DWDS / 4)
#define E1000_FHFT_QUEUEING_LEN 0x0000007F
#define E1000_FHFT_QUEUEING_QUEUE 0x00000700
#define E1000_FHFT_QUEUEING_PRIO 0x00070000
@ -131,6 +136,24 @@ struct e1000_vf_info {
uint16_t tx_rate;
};
TAILQ_HEAD(e1000_flex_filter_list, e1000_flex_filter);
struct e1000_flex_filter_info {
uint16_t len;
uint32_t dwords[E1000_MAX_FLEX_FILTER_DWDS]; /* flex bytes in dword. */
/* if mask bit is 1b, do not compare corresponding byte in dwords. */
uint8_t mask[E1000_FLEX_FILTERS_MASK_SIZE];
uint8_t priority;
};
/* Flex filter structure */
struct e1000_flex_filter {
TAILQ_ENTRY(e1000_flex_filter) entries;
uint16_t index; /* index of flex filter */
struct e1000_flex_filter_info filter_info;
uint16_t queue; /* rx queue assigned to */
};
/*
* Structure to store filters' info.
*/
@ -138,6 +161,8 @@ struct e1000_filter_info {
uint8_t ethertype_mask; /* Bit mask for every used ethertype filter */
/* store used ethertype filters*/
uint16_t ethertype_filters[E1000_MAX_ETQF_FILTERS];
uint8_t flex_mask; /* Bit mask for every used flex filter */
struct e1000_flex_filter_list flex_list;
};
/*

326
lib/librte_pmd_e1000/igb_ethdev.c
View File

@ -162,14 +162,14 @@ static int eth_igb_remove_2tuple_filter(struct rte_eth_dev *dev,
static int eth_igb_get_2tuple_filter(struct rte_eth_dev *dev,
uint16_t index,
struct rte_2tuple_filter *filter, uint16_t *rx_queue);
static int eth_igb_add_flex_filter(struct rte_eth_dev *dev,
uint16_t index,
struct rte_flex_filter *filter, uint16_t rx_queue);
static int eth_igb_remove_flex_filter(struct rte_eth_dev *dev,
uint16_t index);
static int eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
struct rte_eth_flex_filter *filter,
bool add);
static int eth_igb_get_flex_filter(struct rte_eth_dev *dev,
uint16_t index,
struct rte_flex_filter *filter, uint16_t *rx_queue);
struct rte_eth_flex_filter *filter);
static int eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
enum rte_filter_op filter_op,
void *arg);
static int eth_igb_add_5tuple_filter(struct rte_eth_dev *dev,
uint16_t index,
struct rte_5tuple_filter *filter, uint16_t rx_queue);
@ -271,9 +271,6 @@ static struct eth_dev_ops eth_igb_ops = {
.add_2tuple_filter = eth_igb_add_2tuple_filter,
.remove_2tuple_filter = eth_igb_remove_2tuple_filter,
.get_2tuple_filter = eth_igb_get_2tuple_filter,
.add_flex_filter = eth_igb_add_flex_filter,
.remove_flex_filter = eth_igb_remove_flex_filter,
.get_flex_filter = eth_igb_get_flex_filter,
.add_5tuple_filter = eth_igb_add_5tuple_filter,
.remove_5tuple_filter = eth_igb_remove_5tuple_filter,
.get_5tuple_filter = eth_igb_get_5tuple_filter,
@ -470,6 +467,8 @@ eth_igb_dev_init(__attribute__((unused)) struct eth_driver *eth_drv,
E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
struct e1000_vfta * shadow_vfta =
E1000_DEV_PRIVATE_TO_VFTA(eth_dev->data->dev_private);
struct e1000_filter_info *filter_info =
E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
uint32_t ctrl_ext;
pci_dev = eth_dev->pci_dev;
@ -601,6 +600,9 @@ eth_igb_dev_init(__attribute__((unused)) struct eth_driver *eth_drv,
/* enable support intr */
igb_intr_enable(eth_dev);
TAILQ_INIT(&filter_info->flex_list);
filter_info->flex_mask = 0;
return 0;
err_late:
@ -926,7 +928,10 @@ static void
eth_igb_stop(struct rte_eth_dev *dev)
{
struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct e1000_filter_info *filter_info =
E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
struct rte_eth_link link;
struct e1000_flex_filter *p_flex;
igb_intr_disable(hw);
igb_pf_reset_hw(hw);
@ -949,6 +954,13 @@ eth_igb_stop(struct rte_eth_dev *dev)
/* clear the recorded link status */
memset(&link, 0, sizeof(link));
rte_igb_dev_atomic_write_link_status(dev, &link);
/* Remove all flex filters of the device */
while ((p_flex = TAILQ_FIRST(&filter_info->flex_list))) {
TAILQ_REMOVE(&filter_info->flex_list, p_flex, entries);
rte_free(p_flex);
}
filter_info->flex_mask = 0;
}
static void
@ -2652,161 +2664,224 @@ eth_igb_get_2tuple_filter(struct rte_eth_dev *dev, uint16_t index,
return -ENOENT;
}
/*
* add a flex filter
*
* @param
* dev: Pointer to struct rte_eth_dev.
* index: the index the filter allocates.
* filter: ponter to the filter that will be added.
* rx_queue: the queue id the filter assigned to.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
static int
eth_igb_add_flex_filter(struct rte_eth_dev *dev, uint16_t index,
struct rte_flex_filter *filter, uint16_t rx_queue)
static inline struct e1000_flex_filter *
eth_igb_flex_filter_lookup(struct e1000_flex_filter_list *filter_list,
struct e1000_flex_filter_info *key)
{
struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint32_t wufc, en_bits = 0;
uint32_t queueing = 0;
uint32_t reg_off = 0;
uint8_t i, j = 0;
struct e1000_flex_filter *it;
MAC_TYPE_FILTER_SUP_EXT(hw->mac.type);
if (index >= E1000_MAX_FLEXIBLE_FILTERS)
return -EINVAL; /* filter index is out of range. */
if (filter->len == 0 || filter->len > E1000_MAX_FLEX_FILTER_LEN ||
filter->len % 8 != 0 ||
filter->priority > E1000_MAX_FLEX_FILTER_PRI)
return -EINVAL;
wufc = E1000_READ_REG(hw, E1000_WUFC);
en_bits = E1000_WUFC_FLEX_HQ | (E1000_WUFC_FLX0 << index);
if ((wufc & en_bits) == en_bits)
return -EINVAL; /* the filter is in use. */
E1000_WRITE_REG(hw, E1000_WUFC,
wufc | E1000_WUFC_FLEX_HQ | (E1000_WUFC_FLX0 << index));
j = 0;
if (index < E1000_MAX_FHFT)
reg_off = E1000_FHFT(index);
else
reg_off = E1000_FHFT_EXT(index - E1000_MAX_FHFT);
for (i = 0; i < 16; i++) {
E1000_WRITE_REG(hw, reg_off + i*4*4, filter->dwords[j]);
E1000_WRITE_REG(hw, reg_off + (i*4+1)*4, filter->dwords[++j]);
E1000_WRITE_REG(hw, reg_off + (i*4+2)*4,
(uint32_t)filter->mask[i]);
++j;
TAILQ_FOREACH(it, filter_list, entries) {
if (memcmp(key, &it->filter_info,
sizeof(struct e1000_flex_filter_info)) == 0)
return it;
}
queueing |= filter->len |
(rx_queue << E1000_FHFT_QUEUEING_QUEUE_SHIFT) |
(filter->priority << E1000_FHFT_QUEUEING_PRIO_SHIFT);
E1000_WRITE_REG(hw, reg_off + E1000_FHFT_QUEUEING_OFFSET, queueing);
return 0;
return NULL;
}
/*
* remove a flex filter
*
* @param
* dev: Pointer to struct rte_eth_dev.
* index: the index the filter allocates.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
static int
eth_igb_remove_flex_filter(struct rte_eth_dev *dev,
uint16_t index)
eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
struct rte_eth_flex_filter *filter,
bool add)
{
struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint32_t wufc, reg_off = 0;
uint8_t i;
struct e1000_filter_info *filter_info =
E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
struct e1000_flex_filter *flex_filter, *it;
uint32_t wufc, queueing, mask;
uint32_t reg_off;
uint8_t shift, i, j = 0;
MAC_TYPE_FILTER_SUP_EXT(hw->mac.type);
flex_filter = rte_zmalloc("e1000_flex_filter",
sizeof(struct e1000_flex_filter), 0);
if (flex_filter == NULL)
return -ENOMEM;
if (index >= E1000_MAX_FLEXIBLE_FILTERS)
return -EINVAL; /* filter index is out of range. */
flex_filter->filter_info.len = filter->len;
flex_filter->filter_info.priority = filter->priority;
memcpy(flex_filter->filter_info.dwords, filter->bytes, filter->len);
for (i = 0; i < RTE_ALIGN(filter->len, CHAR_BIT) / CHAR_BIT; i++) {
mask = 0;
/* reverse bits in flex filter's mask*/
for (shift = 0; shift < CHAR_BIT; shift++) {
if (filter->mask[i] & (0x01 << shift))
mask |= (0x80 >> shift);
}
flex_filter->filter_info.mask[i] = mask;
}
wufc = E1000_READ_REG(hw, E1000_WUFC);
E1000_WRITE_REG(hw, E1000_WUFC, wufc & (~(E1000_WUFC_FLX0 << index)));
if (index < E1000_MAX_FHFT)
reg_off = E1000_FHFT(index);
if (flex_filter->index < E1000_MAX_FHFT)
reg_off = E1000_FHFT(flex_filter->index);
else
reg_off = E1000_FHFT_EXT(index - E1000_MAX_FHFT);
reg_off = E1000_FHFT_EXT(flex_filter->index - E1000_MAX_FHFT);
if (add) {
if (eth_igb_flex_filter_lookup(&filter_info->flex_list,
&flex_filter->filter_info) != NULL) {
PMD_DRV_LOG(ERR, "filter exists.");
rte_free(flex_filter);
return -EEXIST;
}
flex_filter->queue = filter->queue;
/*
* look for an unused flex filter index
* and insert the filter into the list.
*/
for (i = 0; i < E1000_MAX_FLEX_FILTERS; i++) {
if (!(filter_info->flex_mask & (1 << i))) {
filter_info->flex_mask |= 1 << i;
flex_filter->index = i;
TAILQ_INSERT_TAIL(&filter_info->flex_list,
flex_filter,
entries);
break;
}
}
if (i >= E1000_MAX_FLEX_FILTERS) {
PMD_DRV_LOG(ERR, "flex filters are full.");
rte_free(flex_filter);
return -ENOSYS;
}
E1000_WRITE_REG(hw, E1000_WUFC, wufc | E1000_WUFC_FLEX_HQ |
(E1000_WUFC_FLX0 << flex_filter->index));
queueing = filter->len |
(filter->queue << E1000_FHFT_QUEUEING_QUEUE_SHIFT) |
(filter->priority << E1000_FHFT_QUEUEING_PRIO_SHIFT);
E1000_WRITE_REG(hw, reg_off + E1000_FHFT_QUEUEING_OFFSET,
queueing);
for (i = 0; i < E1000_FLEX_FILTERS_MASK_SIZE; i++) {
E1000_WRITE_REG(hw, reg_off,
flex_filter->filter_info.dwords[j]);
reg_off += sizeof(uint32_t);
E1000_WRITE_REG(hw, reg_off,
flex_filter->filter_info.dwords[++j]);
reg_off += sizeof(uint32_t);
E1000_WRITE_REG(hw, reg_off,
(uint32_t)flex_filter->filter_info.mask[i]);
reg_off += sizeof(uint32_t) * 2;
++j;
}
} else {
it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
&flex_filter->filter_info);
if (it == NULL) {
PMD_DRV_LOG(ERR, "filter doesn't exist.");
rte_free(flex_filter);
return -ENOENT;
}
for (i = 0; i < E1000_FHFT_SIZE_IN_DWD; i++)
E1000_WRITE_REG(hw, reg_off + i * sizeof(uint32_t), 0);
E1000_WRITE_REG(hw, E1000_WUFC, wufc &
(~(E1000_WUFC_FLX0 << it->index)));
filter_info->flex_mask &= ~(1 << it->index);
TAILQ_REMOVE(&filter_info->flex_list, it, entries);
rte_free(it);
rte_free(flex_filter);
}
for (i = 0; i < 64; i++)
E1000_WRITE_REG(hw, reg_off + i*4, 0);
return 0;
}
/*
* get a flex filter
*
* @param
* dev: Pointer to struct rte_eth_dev.
* index: the index the filter allocates.
* filter: ponter to the filter that returns.
* *rx_queue: the pointer of the queue id the filter assigned to.
*
* @return
* - On success, zero.
* - On failure, a negative value.
*/
static int
eth_igb_get_flex_filter(struct rte_eth_dev *dev, uint16_t index,
struct rte_flex_filter *filter, uint16_t *rx_queue)
eth_igb_get_flex_filter(struct rte_eth_dev *dev,
struct rte_eth_flex_filter *filter)
{
struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct e1000_filter_info *filter_info =
E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
struct e1000_flex_filter flex_filter, *it;
uint32_t wufc, queueing, wufc_en = 0;
uint8_t i, j;
MAC_TYPE_FILTER_SUP_EXT(hw->mac.type);
memset(&flex_filter, 0, sizeof(struct e1000_flex_filter));
flex_filter.filter_info.len = filter->len;
flex_filter.filter_info.priority = filter->priority;
memcpy(flex_filter.filter_info.dwords, filter->bytes, filter->len);
memcpy(flex_filter.filter_info.mask, filter->mask,
RTE_ALIGN(filter->len, sizeof(char)) / sizeof(char));
if (index >= E1000_MAX_FLEXIBLE_FILTERS)
return -EINVAL; /* filter index is out of range. */
it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
&flex_filter.filter_info);
if (it == NULL) {
PMD_DRV_LOG(ERR, "filter doesn't exist.");
return -ENOENT;
}
wufc = E1000_READ_REG(hw, E1000_WUFC);
wufc_en = E1000_WUFC_FLEX_HQ | (E1000_WUFC_FLX0 << index);
wufc_en = E1000_WUFC_FLEX_HQ | (E1000_WUFC_FLX0 << it->index);
if ((wufc & wufc_en) == wufc_en) {
uint32_t reg_off = 0;
j = 0;
if (index < E1000_MAX_FHFT)
reg_off = E1000_FHFT(index);
if (it->index < E1000_MAX_FHFT)
reg_off = E1000_FHFT(it->index);
else
reg_off = E1000_FHFT_EXT(index - E1000_MAX_FHFT);
reg_off = E1000_FHFT_EXT(it->index - E1000_MAX_FHFT);
for (i = 0; i < 16; i++, j = i * 2) {
filter->dwords[j] =
E1000_READ_REG(hw, reg_off + i*4*4);
filter->dwords[j+1] =
E1000_READ_REG(hw, reg_off + (i*4+1)*4);
filter->mask[i] =
E1000_READ_REG(hw, reg_off + (i*4+2)*4);
}
queueing = E1000_READ_REG(hw,
reg_off + E1000_FHFT_QUEUEING_OFFSET);
filter->len = queueing & E1000_FHFT_QUEUEING_LEN;
filter->priority = (queueing & E1000_FHFT_QUEUEING_PRIO) >>
E1000_FHFT_QUEUEING_PRIO_SHIFT;
*rx_queue = (queueing & E1000_FHFT_QUEUEING_QUEUE) >>
filter->queue = (queueing & E1000_FHFT_QUEUEING_QUEUE) >>
E1000_FHFT_QUEUEING_QUEUE_SHIFT;
return 0;
}
return -ENOENT;
}
static int
eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
enum rte_filter_op filter_op,
void *arg)
{
struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
struct rte_eth_flex_filter *filter;
int ret = 0;
MAC_TYPE_FILTER_SUP(hw->mac.type);
if (filter_op == RTE_ETH_FILTER_NOP)
return ret;
if (arg == NULL) {
PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u",
filter_op);
return -EINVAL;
}
filter = (struct rte_eth_flex_filter *)arg;
if (filter->len == 0 || filter->len > E1000_MAX_FLEX_FILTER_LEN
|| filter->len % sizeof(uint64_t) != 0) {
PMD_DRV_LOG(ERR, "filter's length is out of range");
return -EINVAL;
}
if (filter->priority > E1000_MAX_FLEX_FILTER_PRI) {
PMD_DRV_LOG(ERR, "filter's priority is out of range");
return -EINVAL;
}
switch (filter_op) {
case RTE_ETH_FILTER_ADD:
ret = eth_igb_add_del_flex_filter(dev, filter, TRUE);
break;
case RTE_ETH_FILTER_DELETE:
ret = eth_igb_add_del_flex_filter(dev, filter, FALSE);
break;
case RTE_ETH_FILTER_GET:
ret = eth_igb_get_flex_filter(dev, filter);
break;
default:
PMD_DRV_LOG(ERR, "unsupported operation %u", filter_op);
ret = -EINVAL;
break;
}
return ret;
}
/*
* add a 5tuple filter
*
@ -3237,6 +3312,9 @@ eth_igb_filter_ctrl(struct rte_eth_dev *dev,
case RTE_ETH_FILTER_ETHERTYPE:
ret = igb_ethertype_filter_handle(dev, filter_op, arg);
break;
case RTE_ETH_FILTER_FLEXIBLE:
ret = eth_igb_flex_filter_handle(dev, filter_op, arg);
break;
default:
PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
filter_type);