#define I40E_TRANSLATE_INSET 0
#define I40E_TRANSLATE_REG 1
-#define I40E_INSET_IPV4_TOS_MASK 0x0009FF00UL
-#define I40E_INSET_IPv4_TTL_MASK 0x000D00FFUL
-#define I40E_INSET_IPV4_PROTO_MASK 0x000DFF00UL
-#define I40E_INSET_IPV6_TC_MASK 0x0009F00FUL
-#define I40E_INSET_IPV6_HOP_LIMIT_MASK 0x000CFF00UL
-#define I40E_INSET_IPV6_NEXT_HDR_MASK 0x000C00FFUL
+#define I40E_INSET_IPV4_TOS_MASK 0x0000FF00UL
+#define I40E_INSET_IPV4_TTL_MASK 0x000000FFUL
+#define I40E_INSET_IPV4_PROTO_MASK 0x0000FF00UL
+#define I40E_INSET_IPV6_TC_MASK 0x0000F00FUL
+#define I40E_INSET_IPV6_HOP_LIMIT_MASK 0x0000FF00UL
+#define I40E_INSET_IPV6_NEXT_HDR_MASK 0x000000FFUL
/* PCI offset for querying capability */
#define PCI_DEV_CAP_REG 0xA4
/* Bit mask of Extended Tag enable/disable */
#define PCI_DEV_CTRL_EXT_TAG_MASK (1 << PCI_DEV_CTRL_EXT_TAG_SHIFT)
+#define I40E_GLQF_PIT_IPV4_START 2
+#define I40E_GLQF_PIT_IPV4_COUNT 2
+#define I40E_GLQF_PIT_IPV6_START 4
+#define I40E_GLQF_PIT_IPV6_COUNT 2
+
+#define I40E_GLQF_PIT_SOURCE_OFF_GET(a) \
+ (((a) & I40E_GLQF_PIT_SOURCE_OFF_MASK) >> \
+ I40E_GLQF_PIT_SOURCE_OFF_SHIFT)
+
+#define I40E_GLQF_PIT_DEST_OFF_GET(a) \
+ (((a) & I40E_GLQF_PIT_DEST_OFF_MASK) >> \
+ I40E_GLQF_PIT_DEST_OFF_SHIFT)
+
+#define I40E_GLQF_PIT_FSIZE_GET(a) (((a) & I40E_GLQF_PIT_FSIZE_MASK) >> \
+ I40E_GLQF_PIT_FSIZE_SHIFT)
+
+#define I40E_GLQF_PIT_BUILD(off, mask) (((off) << 16) | (mask))
+#define I40E_FDIR_FIELD_OFFSET(a) ((a) >> 1)
+
static int eth_i40e_dev_init(struct rte_eth_dev *eth_dev, void *init_params);
static int eth_i40e_dev_uninit(struct rte_eth_dev *eth_dev);
static int i40e_dev_configure(struct rte_eth_dev *dev);
return val;
}
+static int
+i40e_get_inset_field_offset(struct i40e_hw *hw, uint32_t pit_reg_start,
+ uint32_t pit_reg_count, uint32_t hdr_off)
+{
+ const uint32_t pit_reg_end = pit_reg_start + pit_reg_count;
+ uint32_t field_off = I40E_FDIR_FIELD_OFFSET(hdr_off);
+ uint32_t i, reg_val, src_off, count;
+
+ for (i = pit_reg_start; i < pit_reg_end; i++) {
+ reg_val = i40e_read_rx_ctl(hw, I40E_GLQF_PIT(i));
+
+ src_off = I40E_GLQF_PIT_SOURCE_OFF_GET(reg_val);
+ count = I40E_GLQF_PIT_FSIZE_GET(reg_val);
+
+ if (src_off <= field_off && (src_off + count) > field_off)
+ break;
+ }
+
+ if (i >= pit_reg_end) {
+ PMD_DRV_LOG(ERR,
+ "Hardware GLQF_PIT configuration does not support this field mask");
+ return -1;
+ }
+
+ return I40E_GLQF_PIT_DEST_OFF_GET(reg_val) + field_off - src_off;
+}
+
int
-i40e_generate_inset_mask_reg(uint64_t inset, uint32_t *mask, uint8_t nb_elem)
+i40e_generate_inset_mask_reg(struct i40e_hw *hw, uint64_t inset,
+ uint32_t *mask, uint8_t nb_elem)
{
- uint8_t i, idx = 0;
- uint64_t inset_need_mask = inset;
+ static const uint64_t mask_inset[] = {
+ I40E_INSET_IPV4_PROTO | I40E_INSET_IPV4_TTL,
+ I40E_INSET_IPV6_NEXT_HDR | I40E_INSET_IPV6_HOP_LIMIT };
static const struct {
uint64_t inset;
uint32_t mask;
- } inset_mask_map[] = {
- {I40E_INSET_IPV4_TOS, I40E_INSET_IPV4_TOS_MASK},
- {I40E_INSET_IPV4_PROTO | I40E_INSET_IPV4_TTL, 0},
- {I40E_INSET_IPV4_PROTO, I40E_INSET_IPV4_PROTO_MASK},
- {I40E_INSET_IPV4_TTL, I40E_INSET_IPv4_TTL_MASK},
- {I40E_INSET_IPV6_TC, I40E_INSET_IPV6_TC_MASK},
- {I40E_INSET_IPV6_NEXT_HDR | I40E_INSET_IPV6_HOP_LIMIT, 0},
- {I40E_INSET_IPV6_NEXT_HDR, I40E_INSET_IPV6_NEXT_HDR_MASK},
- {I40E_INSET_IPV6_HOP_LIMIT, I40E_INSET_IPV6_HOP_LIMIT_MASK},
+ uint32_t offset;
+ } inset_mask_offset_map[] = {
+ { I40E_INSET_IPV4_TOS, I40E_INSET_IPV4_TOS_MASK,
+ offsetof(struct rte_ipv4_hdr, type_of_service) },
+
+ { I40E_INSET_IPV4_PROTO, I40E_INSET_IPV4_PROTO_MASK,
+ offsetof(struct rte_ipv4_hdr, next_proto_id) },
+
+ { I40E_INSET_IPV4_TTL, I40E_INSET_IPV4_TTL_MASK,
+ offsetof(struct rte_ipv4_hdr, time_to_live) },
+
+ { I40E_INSET_IPV6_TC, I40E_INSET_IPV6_TC_MASK,
+ offsetof(struct rte_ipv6_hdr, vtc_flow) },
+
+ { I40E_INSET_IPV6_NEXT_HDR, I40E_INSET_IPV6_NEXT_HDR_MASK,
+ offsetof(struct rte_ipv6_hdr, proto) },
+
+ { I40E_INSET_IPV6_HOP_LIMIT, I40E_INSET_IPV6_HOP_LIMIT_MASK,
+ offsetof(struct rte_ipv6_hdr, hop_limits) },
};
- if (!inset || !mask || !nb_elem)
+ uint32_t i;
+ int idx = 0;
+
+ assert(mask);
+ if (!inset)
return 0;
- for (i = 0, idx = 0; i < RTE_DIM(inset_mask_map); i++) {
+ for (i = 0; i < RTE_DIM(mask_inset); i++) {
/* Clear the inset bit, if no MASK is required,
* for example proto + ttl
*/
- if ((inset & inset_mask_map[i].inset) ==
- inset_mask_map[i].inset && inset_mask_map[i].mask == 0)
- inset_need_mask &= ~inset_mask_map[i].inset;
- if (!inset_need_mask)
- return 0;
+ if ((mask_inset[i] & inset) == mask_inset[i]) {
+ inset &= ~mask_inset[i];
+ if (!inset)
+ return 0;
+ }
}
- for (i = 0, idx = 0; i < RTE_DIM(inset_mask_map); i++) {
- if ((inset_need_mask & inset_mask_map[i].inset) ==
- inset_mask_map[i].inset) {
- if (idx >= nb_elem) {
- PMD_DRV_LOG(ERR, "exceed maximal number of bitmasks");
- return -EINVAL;
- }
- mask[idx] = inset_mask_map[i].mask;
- idx++;
+
+ for (i = 0; i < RTE_DIM(inset_mask_offset_map); i++) {
+ uint32_t pit_start, pit_count;
+ int offset;
+
+ if (!(inset_mask_offset_map[i].inset & inset))
+ continue;
+
+ if (inset_mask_offset_map[i].inset &
+ (I40E_INSET_IPV4_TOS | I40E_INSET_IPV4_PROTO |
+ I40E_INSET_IPV4_TTL)) {
+ pit_start = I40E_GLQF_PIT_IPV4_START;
+ pit_count = I40E_GLQF_PIT_IPV4_COUNT;
+ } else {
+ pit_start = I40E_GLQF_PIT_IPV6_START;
+ pit_count = I40E_GLQF_PIT_IPV6_COUNT;
+ }
+
+ offset = i40e_get_inset_field_offset(hw, pit_start, pit_count,
+ inset_mask_offset_map[i].offset);
+
+ if (offset < 0)
+ return -EINVAL;
+
+ if (idx >= nb_elem) {
+ PMD_DRV_LOG(ERR,
+ "Configuration of inset mask out of range %u",
+ nb_elem);
+ return -ERANGE;
}
+
+ mask[idx] = I40E_GLQF_PIT_BUILD((uint32_t)offset,
+ inset_mask_offset_map[i].mask);
+ idx++;
}
return idx;
input_set = i40e_get_default_input_set(pctype);
- num = i40e_generate_inset_mask_reg(input_set, mask_reg,
+ num = i40e_generate_inset_mask_reg(hw, input_set, mask_reg,
I40E_INSET_MASK_NUM_REG);
if (num < 0)
return;
inset_reg |= i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, pctype));
input_set |= pf->hash_input_set[pctype];
}
- num = i40e_generate_inset_mask_reg(input_set, mask_reg,
+ num = i40e_generate_inset_mask_reg(hw, input_set, mask_reg,
I40E_INSET_MASK_NUM_REG);
if (num < 0)
return -EINVAL;
git.droids-corp.org / dpdk.git / blobdiff