From: wei zhao1 <wei.zh...@intel.com>
Add support for restoring ether type filter in SW.
Signed-off-by: Wenzhuo Lu <wenzhuo...@intel.com>
Signed-off-by: wei zhao1 <wei.zh...@intel.com>
---
drivers/net/ixgbe/ixgbe_ethdev.c | 84 ++++++++++++++++++----------------------
drivers/net/ixgbe/ixgbe_ethdev.h | 57 ++++++++++++++++++++++++++-
drivers/net/ixgbe/ixgbe_pf.c | 25 +++++++-----
3 files changed, 109 insertions(+), 57 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 0773afd..f1dee4d 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -1308,6 +1308,11 @@ eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev)
/* enable support intr */
ixgbe_enable_intr(eth_dev);
+ /* initialize ether type filter */
+ filter_info->ethertype_mask = 0;
+ memset(filter_info->ethertype_filters, 0,
+ sizeof(struct ixgbe_ethertype_filter) * IXGBE_MAX_ETQF_FILTERS);
+
/* initialize 5tuple filter list */
TAILQ_INIT(&filter_info->fivetuple_list);
memset(filter_info->fivetuple_mask, 0,
@@ -6125,47 +6130,6 @@ ixgbe_ntuple_filter_handle(struct rte_eth_dev *dev,
return ret;
}
-static inline int
-ixgbe_ethertype_filter_lookup(struct ixgbe_filter_info *filter_info,
- uint16_t ethertype)
-{
- int i;
-
- for (i = 0; i < IXGBE_MAX_ETQF_FILTERS; i++) {
- if (filter_info->ethertype_filters[i] == ethertype &&
- (filter_info->ethertype_mask & (1 << i)))
- return i;
- }
- return -1;
-}
-
-static inline int
-ixgbe_ethertype_filter_insert(struct ixgbe_filter_info *filter_info,
- uint16_t ethertype)
-{
- int i;
-
- for (i = 0; i < IXGBE_MAX_ETQF_FILTERS; i++) {
- if (!(filter_info->ethertype_mask & (1 << i))) {
- filter_info->ethertype_mask |= 1 << i;
- filter_info->ethertype_filters[i] = ethertype;
- return i;
- }
- }
- return -1;
-}
-
-static inline int
-ixgbe_ethertype_filter_remove(struct ixgbe_filter_info *filter_info,
- uint8_t idx)
-{
- if (idx >= IXGBE_MAX_ETQF_FILTERS)
- return -1;
- filter_info->ethertype_mask &= ~(1 << idx);
- filter_info->ethertype_filters[idx] = 0;
- return idx;
-}
-
static int
ixgbe_add_del_ethertype_filter(struct rte_eth_dev *dev,
struct rte_eth_ethertype_filter *filter,
@@ -6177,6 +6141,7 @@ ixgbe_add_del_ethertype_filter(struct rte_eth_dev *dev,
uint32_t etqf = 0;
uint32_t etqs = 0;
int ret;
+ struct ixgbe_ethertype_filter ethertype_filter;
if (filter->queue >= IXGBE_MAX_RX_QUEUE_NUM)
return -EINVAL;
@@ -6210,18 +6175,22 @@ ixgbe_add_del_ethertype_filter(struct rte_eth_dev *dev,
}
if (add) {
- ret = ixgbe_ethertype_filter_insert(filter_info,
- filter->ether_type);
- if (ret < 0) {
- PMD_DRV_LOG(ERR, "ethertype filters are full.");
- return -ENOSYS;
- }
etqf = IXGBE_ETQF_FILTER_EN;
etqf |= (uint32_t)filter->ether_type;
etqs |= (uint32_t)((filter->queue <<
IXGBE_ETQS_RX_QUEUE_SHIFT) &
IXGBE_ETQS_RX_QUEUE);
etqs |= IXGBE_ETQS_QUEUE_EN;
+
+ ethertype_filter.ethertype = filter->ether_type;
+ ethertype_filter.etqf = etqf;
+ ethertype_filter.etqs = etqs;
+ ret = ixgbe_ethertype_filter_insert(filter_info,
+ ðertype_filter);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR, "ethertype filters are full.");
+ return -ENOSPC;
+ }
} else {
ret = ixgbe_ethertype_filter_remove(filter_info, (uint8_t)ret);
if (ret < 0)
@@ -7826,10 +7795,31 @@ ixgbe_ntuple_filter_restore(struct rte_eth_dev *dev)
}
}
+/* restore ethernet type filter */
+static inline void
+ixgbe_ethertype_filter_restore(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct ixgbe_filter_info *filter_info =
+ IXGBE_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+ int i;
+
+ for (i = 0; i < IXGBE_MAX_ETQF_FILTERS; i++) {
+ if (filter_info->ethertype_mask & (1 << i)) {
+ IXGBE_WRITE_REG(hw, IXGBE_ETQF(i),
+ filter_info->ethertype_filters[i].etqf);
+ IXGBE_WRITE_REG(hw, IXGBE_ETQS(i),
+ filter_info->ethertype_filters[i].etqs);
+ IXGBE_WRITE_FLUSH(hw);
+ }
+ }
+}
+
static int
ixgbe_filter_restore(struct rte_eth_dev *dev)
{
ixgbe_ntuple_filter_restore(dev);
+ ixgbe_ethertype_filter_restore(dev);
return 0;
}
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.h b/drivers/net/ixgbe/ixgbe_ethdev.h
index 6663fc9..c30a8c0 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.h
+++ b/drivers/net/ixgbe/ixgbe_ethdev.h
@@ -270,13 +270,19 @@ struct ixgbe_5tuple_filter {
(RTE_ALIGN(IXGBE_MAX_FTQF_FILTERS, (sizeof(uint32_t) * NBBY)) / \
(sizeof(uint32_t) * NBBY))
+struct ixgbe_ethertype_filter {
+ uint16_t ethertype;
+ uint32_t etqf;
+ uint32_t etqs;
+};
+
/*
* Structure to store filters' info.
*/
struct ixgbe_filter_info {
uint8_t ethertype_mask; /* Bit mask for every used ethertype filter */
/* store used ethertype filters*/
- uint16_t ethertype_filters[IXGBE_MAX_ETQF_FILTERS];
+ struct ixgbe_ethertype_filter ethertype_filters[IXGBE_MAX_ETQF_FILTERS];
/* Bit mask for every used 5tuple filter */
uint32_t fivetuple_mask[IXGBE_5TUPLE_ARRAY_SIZE];
struct ixgbe_5tuple_filter_list fivetuple_list;
@@ -485,4 +491,53 @@ uint32_t ixgbe_convert_vm_rx_mask_to_val(uint16_t rx_mask,
uint32_t orig_val);
int ixgbe_fdir_ctrl_func(struct rte_eth_dev *dev,
enum rte_filter_op filter_op, void *arg);
+
+static inline int
+ixgbe_ethertype_filter_lookup(struct ixgbe_filter_info *filter_info,
+ uint16_t ethertype)
+{
+ int i;
+
+ for (i = 0; i < IXGBE_MAX_ETQF_FILTERS; i++) {
+ if (filter_info->ethertype_filters[i].ethertype == ethertype &&
+ (filter_info->ethertype_mask & (1 << i)))
+ return i;
+ }
+ return -1;
+}
+
+static inline int
+ixgbe_ethertype_filter_insert(struct ixgbe_filter_info *filter_info,
+ struct ixgbe_ethertype_filter *ethertype_filter)
+{
+ int i;
+
+ for (i = 0; i < IXGBE_MAX_ETQF_FILTERS; i++) {
+ if (!(filter_info->ethertype_mask & (1 << i))) {
+ filter_info->ethertype_mask |= 1 << i;
+ filter_info->ethertype_filters[i].ethertype =
+ ethertype_filter->ethertype;
+ filter_info->ethertype_filters[i].etqf =
+ ethertype_filter->etqf;
+ filter_info->ethertype_filters[i].etqs =
+ ethertype_filter->etqs;
+ return i;
+ }
+ }
+ return -1;
+}
+
+static inline int
+ixgbe_ethertype_filter_remove(struct ixgbe_filter_info *filter_info,
+ uint8_t idx)
+{
+ if (idx >= IXGBE_MAX_ETQF_FILTERS)
+ return -1;
+ filter_info->ethertype_mask &= ~(1 << idx);
+ filter_info->ethertype_filters[idx].ethertype = 0;
+ filter_info->ethertype_filters[idx].etqf = 0;
+ filter_info->ethertype_filters[idx].etqs = 0;
+ return idx;
+}
+
#endif /* _IXGBE_ETHDEV_H_ */
diff --git a/drivers/net/ixgbe/ixgbe_pf.c b/drivers/net/ixgbe/ixgbe_pf.c
index 26395e4..6139915 100644
--- a/drivers/net/ixgbe/ixgbe_pf.c
+++ b/drivers/net/ixgbe/ixgbe_pf.c
@@ -176,6 +176,7 @@ ixgbe_add_tx_flow_control_drop_filter(struct rte_eth_dev
*eth_dev)
IXGBE_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
uint16_t vf_num;
int i;
+ struct ixgbe_ethertype_filter ethertype_filter;
if (!hw->mac.ops.set_ethertype_anti_spoofing) {
RTE_LOG(INFO, PMD, "ether type anti-spoofing is not"
@@ -183,16 +184,22 @@ ixgbe_add_tx_flow_control_drop_filter(struct rte_eth_dev
*eth_dev)
return;
}
- /* occupy an entity of ether type filter */
- for (i = 0; i < IXGBE_MAX_ETQF_FILTERS; i++) {
- if (!(filter_info->ethertype_mask & (1 << i))) {
- filter_info->ethertype_mask |= 1 << i;
- filter_info->ethertype_filters[i] =
- IXGBE_ETHERTYPE_FLOW_CTRL;
- break;
- }
+ i = ixgbe_ethertype_filter_lookup(filter_info,
+ IXGBE_ETHERTYPE_FLOW_CTRL);
+ if (i >= 0) {
+ RTE_LOG(ERR, PMD, "A ether type filter"
+ " entity for flow control already exists!\n");
+ return;
}
- if (i == IXGBE_MAX_ETQF_FILTERS) {
+
+ ethertype_filter.ethertype = IXGBE_ETHERTYPE_FLOW_CTRL;
+ ethertype_filter.etqf = IXGBE_ETQF_FILTER_EN |
+ IXGBE_ETQF_TX_ANTISPOOF |
+ IXGBE_ETHERTYPE_FLOW_CTRL;
+ ethertype_filter.etqs = 0;
+ i = ixgbe_ethertype_filter_insert(filter_info,
+ ðertype_filter);
+ if (i < 0) {
RTE_LOG(ERR, PMD, "Cannot find an unused ether type filter"
" entity for flow control.\n");
return;
--
2.5.5
