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igb: add support of RX network flow classification

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This patch is meant to allow for RX network flow classification to insert
and remove Rx filter by ethtool. Ethtool interface has it's own rules
manager

Show all filters:
$ ethtool -n eth0
4 RX rings available
Total 2 rules

Signed-off-by: Ruhao Gao <ruhao.gao@ni.com>
Signed-off-by: Gangfeng Huang <gangfeng.huang@ni.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Gangfeng Huang
2016-07-06 13:22:54 +08:00
committato da Jeff Kirsher
parent e951f145d1
commit 0e71def252
3 ha cambiato i file con 270 aggiunte e 0 eliminazioni
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32
drivers/net/ethernet/intel/igb/igb.h
Vedi File

@@ -355,6 +355,27 @@ struct hwmon_buff {
#define IGB_N_SDP 4
#define IGB_RETA_SIZE 128
enum igb_filter_match_flags {
IGB_FILTER_FLAG_NONE = 0x0,
};
#define IGB_MAX_RXNFC_FILTERS 16
/* RX network flow classification data structure */
struct igb_nfc_input {
/* Byte layout in order, all values with MSB first:
* match_flags - 1 byte
*/
u8 match_flags;
};
struct igb_nfc_filter {
struct hlist_node nfc_node;
struct igb_nfc_input filter;
u16 sw_idx;
u16 action;
};
/* board specific private data structure */
struct igb_adapter {
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
@@ -473,6 +494,12 @@ struct igb_adapter {
int copper_tries;
struct e1000_info ei;
u16 eee_advert;
/* RX network flow classification support */
struct hlist_head nfc_filter_list;
unsigned int nfc_filter_count;
/* lock for RX network flow classification filter */
spinlock_t nfc_lock;
};
/* flags controlling PTP/1588 function */
@@ -599,4 +626,9 @@ static inline struct netdev_queue *txring_txq(const struct igb_ring *tx_ring)
return netdev_get_tx_queue(tx_ring->netdev, tx_ring->queue_index);
}
int igb_add_filter(struct igb_adapter *adapter,
struct igb_nfc_filter *input);
int igb_erase_filter(struct igb_adapter *adapter,
struct igb_nfc_filter *input);
#endif /* _IGB_H_ */