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igb: support RX flow classification by VLAN priority

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This patch is meant to allow for RX network flow classification to insert
and remove VLAN priority filter by ethtool

Example:
Add an VLAN priority filter:
$ ethtool -N eth0 flow-type ether vlan 0x6000 vlan-mask 0x1FFF action 2 loc 1

Show all filters:
$ ethtool -n eth0
4 RX rings available
Total 1 rules

Filter: 1
	Flow Type: Raw Ethernet
	Src MAC addr: 00:00:00:00:00:00 mask: FF:FF:FF:FF:FF:FF
	Dest MAC addr: 00:00:00:00:00:00 mask: FF:FF:FF:FF:FF:FF
	Ethertype: 0x0 mask: 0xFFFF
	VLAN EtherType: 0x0 mask: 0xffff
	VLAN: 0x6000 mask: 0x1fff
	User-defined: 0x0 mask: 0xffffffffffffffff
	Action: Direct to queue 2

Delete the filter by location:
$ ethtool -N delete 1

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 13:22:56 +08:00
committato da Jeff Kirsher
parent 64c75d41ac
commit 7a277a963b
4 ha cambiato i file con 92 aggiunte e 7 eliminazioni
Scarica il file Patch Scarica il file Diff Expand all files Collapse all files

3
drivers/net/ethernet/intel/igb/igb.h
Vedi File

@@ -368,6 +368,7 @@ struct hwmon_buff {
enum igb_filter_match_flags {
IGB_FILTER_FLAG_ETHER_TYPE = 0x1,
IGB_FILTER_FLAG_VLAN_TCI = 0x2,
};
#define IGB_MAX_RXNFC_FILTERS 16
@@ -377,9 +378,11 @@ struct igb_nfc_input {
/* Byte layout in order, all values with MSB first:
* match_flags - 1 byte
* etype - 2 bytes
* vlan_tci - 2 bytes
*/
u8 match_flags;
__be16 etype;
__be16 vlan_tci;
};
struct igb_nfc_filter {