[dpdk-dev] [PATCH v3 3/3] net/ixgbe: enable flex bytes for generic flow API
Qi Zhang
qi.z.zhang at intel.com
Thu Jun 1 19:36:45 CEST 2017
Add fdir flex byte support for rte_flow APIs.
Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
---
drivers/net/ixgbe/ixgbe_ethdev.h | 3 +
drivers/net/ixgbe/ixgbe_fdir.c | 31 ++++++++-
drivers/net/ixgbe/ixgbe_flow.c | 137 ++++++++++++++++++++++++++++++++++++++-
3 files changed, 167 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.h b/drivers/net/ixgbe/ixgbe_ethdev.h
index b576a6f..c6449b5 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.h
+++ b/drivers/net/ixgbe/ixgbe_ethdev.h
@@ -189,6 +189,7 @@ struct ixgbe_fdir_rule {
uint32_t fdirflags; /* drop or forward */
uint32_t soft_id; /* an unique value for this rule */
uint8_t queue; /* assigned rx queue */
+ uint8_t flex_bytes_offset;
};
struct ixgbe_hw_fdir_info {
@@ -624,6 +625,8 @@ void ixgbe_filterlist_flush(void);
*/
int ixgbe_fdir_configure(struct rte_eth_dev *dev);
int ixgbe_fdir_set_input_mask(struct rte_eth_dev *dev);
+int ixgbe_fdir_set_flexbytes_offset(struct rte_eth_dev *dev,
+ uint16_t offset);
int ixgbe_fdir_filter_program(struct rte_eth_dev *dev,
struct ixgbe_fdir_rule *rule,
bool del, bool update);
diff --git a/drivers/net/ixgbe/ixgbe_fdir.c b/drivers/net/ixgbe/ixgbe_fdir.c
index 7f6c7b5..950f5ba 100644
--- a/drivers/net/ixgbe/ixgbe_fdir.c
+++ b/drivers/net/ixgbe/ixgbe_fdir.c
@@ -302,7 +302,7 @@ fdir_set_input_mask_82599(struct rte_eth_dev *dev)
* mask VM pool and DIPv6 since there are currently not supported
* mask FLEX byte, it will be set in flex_conf
*/
- uint32_t fdirm = IXGBE_FDIRM_POOL | IXGBE_FDIRM_DIPv6 | IXGBE_FDIRM_FLEX;
+ uint32_t fdirm = IXGBE_FDIRM_POOL | IXGBE_FDIRM_DIPv6;
uint32_t fdirtcpm; /* TCP source and destination port masks. */
uint32_t fdiripv6m; /* IPv6 source and destination masks. */
volatile uint32_t *reg;
@@ -333,6 +333,10 @@ fdir_set_input_mask_82599(struct rte_eth_dev *dev)
return -EINVAL;
}
+ /* flex byte mask */
+ if (info->mask.flex_bytes_mask == 0)
+ fdirm |= IXGBE_FDIRM_FLEX;
+
IXGBE_WRITE_REG(hw, IXGBE_FDIRM, fdirm);
/* store the TCP/UDP port masks, bit reversed from port layout */
@@ -533,6 +537,31 @@ ixgbe_fdir_set_input_mask(struct rte_eth_dev *dev)
return -ENOTSUP;
}
+int
+ixgbe_fdir_set_flexbytes_offset(struct rte_eth_dev *dev,
+ uint16_t offset)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ uint32_t fdirctrl;
+ int i;
+
+ fdirctrl = IXGBE_READ_REG(hw, IXGBE_FDIRCTRL);
+
+ fdirctrl &= ~IXGBE_FDIRCTRL_FLEX_MASK;
+ fdirctrl |= ((offset >> 1) /* convert to word offset */
+ << IXGBE_FDIRCTRL_FLEX_SHIFT);
+
+ IXGBE_WRITE_REG(hw, IXGBE_FDIRCTRL, fdirctrl);
+ IXGBE_WRITE_FLUSH(hw);
+ for (i = 0; i < IXGBE_FDIR_INIT_DONE_POLL; i++) {
+ if (IXGBE_READ_REG(hw, IXGBE_FDIRCTRL) &
+ IXGBE_FDIRCTRL_INIT_DONE)
+ break;
+ msec_delay(1);
+ }
+ return 0;
+}
+
static int
fdir_set_input_mask(struct rte_eth_dev *dev,
const struct rte_eth_fdir_masks *input_mask)
diff --git a/drivers/net/ixgbe/ixgbe_flow.c b/drivers/net/ixgbe/ixgbe_flow.c
index 4e64d8d..cae123e 100644
--- a/drivers/net/ixgbe/ixgbe_flow.c
+++ b/drivers/net/ixgbe/ixgbe_flow.c
@@ -78,6 +78,7 @@
#define IXGBE_MIN_N_TUPLE_PRIO 1
#define IXGBE_MAX_N_TUPLE_PRIO 7
+#define IXGBE_MAX_FLX_SOURCE_OFF 62
#define NEXT_ITEM_OF_PATTERN(item, pattern, index)\
do { \
item = pattern + index;\
@@ -1316,7 +1317,8 @@ ixgbe_parse_fdir_act_attr(const struct rte_flow_attr *attr,
* UDP/TCP/SCTP PATTERN:
* The first not void item can be ETH or IPV4.
* The second not void item must be IPV4 if the first one is ETH.
- * The third not void item must be UDP or TCP or SCTP.
+ * The next not void item could be UDP or TCP or SCTP (optional)
+ * The next not void item could be RAW (for flexbyte, optional)
* The next not void item must be END.
* MAC VLAN PATTERN:
* The first not void item must be ETH.
@@ -1334,6 +1336,14 @@ ixgbe_parse_fdir_act_attr(const struct rte_flow_attr *attr,
* dst_addr 192.167.3.50 0xFFFFFFFF
* UDP/TCP/SCTP src_port 80 0xFFFF
* dst_port 80 0xFFFF
+ * FLEX relative 0 0x1
+ * search 0 0x1
+ * reserved 0 0
+ * offset 12 0xFFFFFFFF
+ * limit 0 0xFFFF
+ * length 2 0xFFFF
+ * pattern[0] 0x86 0xFF
+ * pattern[1] 0xDD 0xFF
* END
* MAC VLAN pattern example:
* ITEM Spec Mask
@@ -1365,6 +1375,8 @@ ixgbe_parse_fdir_filter_normal(const struct rte_flow_attr *attr,
const struct rte_flow_item_sctp *sctp_mask;
const struct rte_flow_item_vlan *vlan_spec;
const struct rte_flow_item_vlan *vlan_mask;
+ const struct rte_flow_item_raw *raw_mask;
+ const struct rte_flow_item_raw *raw_spec;
uint32_t index, j;
@@ -1396,6 +1408,7 @@ ixgbe_parse_fdir_filter_normal(const struct rte_flow_attr *attr,
memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
memset(&rule->mask, 0xFF, sizeof(struct ixgbe_hw_fdir_mask));
rule->mask.vlan_tci_mask = 0;
+ rule->mask.flex_bytes_mask = 0;
/* parse pattern */
index = 0;
@@ -1621,7 +1634,8 @@ ixgbe_parse_fdir_filter_normal(const struct rte_flow_attr *attr,
if (item->type != RTE_FLOW_ITEM_TYPE_TCP &&
item->type != RTE_FLOW_ITEM_TYPE_UDP &&
item->type != RTE_FLOW_ITEM_TYPE_SCTP &&
- item->type != RTE_FLOW_ITEM_TYPE_END) {
+ item->type != RTE_FLOW_ITEM_TYPE_END &&
+ item->type != RTE_FLOW_ITEM_TYPE_RAW) {
memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_ITEM,
@@ -1682,6 +1696,18 @@ ixgbe_parse_fdir_filter_normal(const struct rte_flow_attr *attr,
rule->ixgbe_fdir.formatted.dst_port =
tcp_spec->hdr.dst_port;
}
+
+ index++;
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+ if (item->type != RTE_FLOW_ITEM_TYPE_RAW &&
+ item->type != RTE_FLOW_ITEM_TYPE_END) {
+ memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
}
/* Get the UDP info */
@@ -1731,6 +1757,18 @@ ixgbe_parse_fdir_filter_normal(const struct rte_flow_attr *attr,
rule->ixgbe_fdir.formatted.dst_port =
udp_spec->hdr.dst_port;
}
+
+ index++;
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+ if (item->type != RTE_FLOW_ITEM_TYPE_RAW &&
+ item->type != RTE_FLOW_ITEM_TYPE_END) {
+ memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
}
/* Get the SCTP info */
@@ -1782,6 +1820,88 @@ ixgbe_parse_fdir_filter_normal(const struct rte_flow_attr *attr,
rule->ixgbe_fdir.formatted.dst_port =
sctp_spec->hdr.dst_port;
}
+
+ index++;
+ NEXT_ITEM_OF_PATTERN(item, pattern, index);
+ if (item->type != RTE_FLOW_ITEM_TYPE_RAW &&
+ item->type != RTE_FLOW_ITEM_TYPE_END) {
+ memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+ }
+
+ /* Get the flex byte info */
+ if (item->type == RTE_FLOW_ITEM_TYPE_RAW) {
+ /* Not supported last point for range*/
+ if (item->last) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+ item, "Not supported last point for range");
+ return -rte_errno;
+ }
+ /* mask should not be null */
+ if (!item->mask || !item->spec) {
+ memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ raw_mask = (const struct rte_flow_item_raw *)item->mask;
+
+ /* check mask */
+ if (raw_mask->relative != 0x1 ||
+ raw_mask->search != 0x1 ||
+ raw_mask->reserved != 0x0 ||
+ (uint32_t)raw_mask->offset != 0xffffffff ||
+ raw_mask->limit != 0xffff ||
+ raw_mask->length != 0xffff) {
+ memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ raw_spec = (const struct rte_flow_item_raw *)item->spec;
+
+ /* check spec */
+ if (raw_spec->relative != 0 ||
+ raw_spec->search != 0 ||
+ raw_spec->reserved != 0 ||
+ raw_spec->offset > IXGBE_MAX_FLX_SOURCE_OFF ||
+ raw_spec->offset % 2 ||
+ raw_spec->limit != 0 ||
+ raw_spec->length != 2 ||
+ /* pattern can't be 0xffff */
+ (raw_spec->pattern[0] == 0xff &&
+ raw_spec->pattern[1] == 0xff)) {
+ memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ /* check pattern mask */
+ if (raw_mask->pattern[0] != 0xff ||
+ raw_mask->pattern[1] != 0xff) {
+ memset(rule, 0, sizeof(struct ixgbe_fdir_rule));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM,
+ item, "Not supported by fdir filter");
+ return -rte_errno;
+ }
+
+ rule->mask.flex_bytes_mask = 0xffff;
+ rule->ixgbe_fdir.formatted.flex_bytes =
+ (((uint16_t)raw_spec->pattern[1]) << 8) |
+ raw_spec->pattern[0];
+ rule->flex_bytes_offset = raw_spec->offset;
}
if (item->type != RTE_FLOW_ITEM_TYPE_END) {
@@ -1919,7 +2039,7 @@ ixgbe_parse_fdir_filter_tunnel(const struct rte_flow_attr *attr,
item, "Not supported by fdir filter");
return -rte_errno;
}
- /*Not supported last point for range*/
+ /* Not supported last point for range*/
if (item->last) {
rte_flow_error_set(error, EINVAL,
RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
@@ -2497,6 +2617,13 @@ ixgbe_flow_create(struct rte_eth_dev *dev,
rte_memcpy(&fdir_info->mask,
&fdir_rule.mask,
sizeof(struct ixgbe_hw_fdir_mask));
+ fdir_info->flex_bytes_offset =
+ fdir_rule.flex_bytes_offset;
+
+ if (fdir_rule.mask.flex_bytes_mask)
+ ixgbe_fdir_set_flexbytes_offset(dev,
+ fdir_rule.flex_bytes_offset);
+
ret = ixgbe_fdir_set_input_mask(dev);
if (ret)
goto out;
@@ -2512,6 +2639,10 @@ ixgbe_flow_create(struct rte_eth_dev *dev,
sizeof(struct ixgbe_hw_fdir_mask));
if (ret)
goto out;
+
+ if (fdir_info->flex_bytes_offset !=
+ fdir_rule.flex_bytes_offset)
+ goto out;
}
}
--
2.7.4
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