diff options
| author |   Gangfeng Huang <gangfeng.huang@ni.com> | 2016-07-06 13:22:54 +0800 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2016-08-18 22:27:47 -0700 |
| commit | 0e71def252815d732f86d11d87d63f7186d9d3be (patch) | |
| tree | af277a0d1fed5bd032d6dc2532f47aa52b6dc1e8 /drivers/net/ethernet/intel/igb/igb.h | |
| parent | Merge branch 'tipc-next' (diff) | |
| download | linux-dev-0e71def252815d732f86d11d87d63f7186d9d3be.tar.xz linux-dev-0e71def252815d732f86d11d87d63f7186d9d3be.zip | |
igb: add support of RX network flow classification
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>
Diffstat (limited to 'drivers/net/ethernet/intel/igb/igb.h')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index 5387b3a96489..37f82ca91141 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -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_ */ |