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Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_txrx.h')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.h64
1 files changed, 51 insertions, 13 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
index db55d9947f15..d5349698e513 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
@@ -1,7 +1,7 @@
/*******************************************************************************
*
* Intel Ethernet Controller XL710 Family Linux Driver
- * Copyright(c) 2013 Intel Corporation.
+ * Copyright(c) 2013 - 2014 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -12,9 +12,8 @@
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
@@ -25,11 +24,13 @@
*
******************************************************************************/
+#ifndef _I40E_TXRX_H_
+#define _I40E_TXRX_H_
+
/* Interrupt Throttling and Rate Limiting (storm control) Goodies */
-#define I40E_MAX_ITR 0x07FF
-#define I40E_MIN_ITR 0x0001
-#define I40E_ITR_USEC_RESOLUTION 2
+#define I40E_MAX_ITR 0x0FF0 /* reg uses 2 usec resolution */
+#define I40E_MIN_ITR 0x0004 /* reg uses 2 usec resolution */
#define I40E_MAX_IRATE 0x03F
#define I40E_MIN_IRATE 0x001
#define I40E_IRATE_USEC_RESOLUTION 4
@@ -49,10 +50,43 @@
#define I40E_QUEUE_END_OF_LIST 0x7FF
-#define I40E_ITR_NONE 3
-#define I40E_RX_ITR 0
-#define I40E_TX_ITR 1
-#define I40E_PE_ITR 2
+/* this enum matches hardware bits and is meant to be used by DYN_CTLN
+ * registers and QINT registers or more generally anywhere in the manual
+ * mentioning ITR_INDX, ITR_NONE cannot be used as an index 'n' into any
+ * register but instead is a special value meaning "don't update" ITR0/1/2.
+ */
+enum i40e_dyn_idx_t {
+ I40E_IDX_ITR0 = 0,
+ I40E_IDX_ITR1 = 1,
+ I40E_IDX_ITR2 = 2,
+ I40E_ITR_NONE = 3 /* ITR_NONE must not be used as an index */
+};
+
+/* these are indexes into ITRN registers */
+#define I40E_RX_ITR I40E_IDX_ITR0
+#define I40E_TX_ITR I40E_IDX_ITR1
+#define I40E_PE_ITR I40E_IDX_ITR2
+
+/* Supported RSS offloads */
+#define I40E_DEFAULT_RSS_HENA ( \
+ ((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_SCTP) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_SCTP) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6) | \
+ ((u64)1 << I40E_FILTER_PCTYPE_L2_PAYLOAD))
+
/* Supported Rx Buffer Sizes */
#define I40E_RXBUFFER_512 512 /* Used for packet split */
#define I40E_RXBUFFER_2048 2048
@@ -102,6 +136,7 @@
#define I40E_TX_FLAGS_IPV6 (u32)(1 << 5)
#define I40E_TX_FLAGS_FCCRC (u32)(1 << 6)
#define I40E_TX_FLAGS_FSO (u32)(1 << 7)
+#define I40E_TX_FLAGS_TSYN (u32)(1 << 8)
#define I40E_TX_FLAGS_VLAN_MASK 0xffff0000
#define I40E_TX_FLAGS_VLAN_PRIO_MASK 0xe0000000
#define I40E_TX_FLAGS_VLAN_PRIO_SHIFT 29
@@ -139,8 +174,8 @@ struct i40e_tx_queue_stats {
struct i40e_rx_queue_stats {
u64 non_eop_descs;
- u64 alloc_rx_page_failed;
- u64 alloc_rx_buff_failed;
+ u64 alloc_page_failed;
+ u64 alloc_buff_failed;
};
enum i40e_ring_state_t {
@@ -214,6 +249,8 @@ struct i40e_ring {
u8 atr_sample_rate;
u8 atr_count;
+ unsigned long last_rx_timestamp;
+
bool ring_active; /* is ring online or not */
/* stats structs */
@@ -262,3 +299,4 @@ int i40e_setup_rx_descriptors(struct i40e_ring *rx_ring);
void i40e_free_tx_resources(struct i40e_ring *tx_ring);
void i40e_free_rx_resources(struct i40e_ring *rx_ring);
int i40e_napi_poll(struct napi_struct *napi, int budget);
+#endif /* _I40E_TXRX_H_ */