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| author | Santwona Behera <santwona.behera@sun.com> | 2008-07-02 03:47:41 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-02 03:47:41 -0700 |
| commit | 0853ad66b14feb12acde7ac13b7c3b75770a0adc (patch) | |
| tree | 0091f893aec69d708ec37ed9e56e1467fd5c95d8 /include | |
| parent | ecbed6a41900126e7b9509e12a8d0cc22176e3eb (diff) | |
| download | kernel_samsung_aries-0853ad66b14feb12acde7ac13b7c3b75770a0adc.zip kernel_samsung_aries-0853ad66b14feb12acde7ac13b7c3b75770a0adc.tar.gz kernel_samsung_aries-0853ad66b14feb12acde7ac13b7c3b75770a0adc.tar.bz2 | |
netdev: Add support for rx flow hash configuration, using ethtool.
Added new interfaces to ethtool to configure receive network flow
distribution across multiple rx rings using hashing.
Signed-off-by: Santwona Behera <santwona.behera@sun.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ethtool.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index c8d2163..8bb5e87 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -272,6 +272,12 @@ enum ethtool_flags { ETH_FLAG_LRO = (1 << 15), /* LRO is enabled */ }; +struct ethtool_rxnfc { + __u32 cmd; + __u32 flow_type; + __u64 data; +}; + #ifdef __KERNEL__ struct net_device; @@ -396,6 +402,8 @@ struct ethtool_ops { /* the following hooks are obsolete */ int (*self_test_count)(struct net_device *);/* use get_sset_count */ int (*get_stats_count)(struct net_device *);/* use get_sset_count */ + int (*get_rxhash)(struct net_device *, struct ethtool_rxnfc *); + int (*set_rxhash)(struct net_device *, struct ethtool_rxnfc *); }; #endif /* __KERNEL__ */ @@ -442,6 +450,9 @@ struct ethtool_ops { #define ETHTOOL_GPFLAGS 0x00000027 /* Get driver-private flags bitmap */ #define ETHTOOL_SPFLAGS 0x00000028 /* Set driver-private flags bitmap */ +#define ETHTOOL_GRXFH 0x00000029 /* Get RX flow hash configuration */ +#define ETHTOOL_SRXFH 0x0000002a /* Set RX flow hash configuration */ + /* compatibility with older code */ #define SPARC_ETH_GSET ETHTOOL_GSET #define SPARC_ETH_SSET ETHTOOL_SSET @@ -528,4 +539,26 @@ struct ethtool_ops { #define WAKE_MAGIC (1 << 5) #define WAKE_MAGICSECURE (1 << 6) /* only meaningful if WAKE_MAGIC */ +/* L3-L4 network traffic flow types */ +#define TCP_V4_FLOW 0x01 +#define UDP_V4_FLOW 0x02 +#define SCTP_V4_FLOW 0x03 +#define AH_ESP_V4_FLOW 0x04 +#define TCP_V6_FLOW 0x05 +#define UDP_V6_FLOW 0x06 +#define SCTP_V6_FLOW 0x07 +#define AH_ESP_V6_FLOW 0x08 + +/* L3-L4 network traffic flow hash options */ +#define RXH_DEV_PORT (1 << 0) +#define RXH_L2DA (1 << 1) +#define RXH_VLAN (1 << 2) +#define RXH_L3_PROTO (1 << 3) +#define RXH_IP_SRC (1 << 4) +#define RXH_IP_DST (1 << 5) +#define RXH_L4_B_0_1 (1 << 6) /* src port in case of TCP/UDP/SCTP */ +#define RXH_L4_B_2_3 (1 << 7) /* dst port in case of TCP/UDP/SCTP */ +#define RXH_DISCARD (1 << 31) + + #endif /* _LINUX_ETHTOOL_H */ |