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Commit bda301c9 authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'sit_tso' 



Eric Dumazet says:

====================
ipv6: sit: Implement TSO/GSO support

This patch series implements GSO/TSO support for SIT tunnels

Broadcom bnx2x driver is now enabled for TSO support of SIT traffic

Before patches :

lpq84:~# ./netperf -H 2002:af6:1153:: -Cc
MIGRATED TCP STREAM TEST from ::0 (::) port 0 AF_INET6 to 2002:af6:1153:: () port 0 AF_INET6
Recv   Send    Send                          Utilization       Service Demand
Socket Socket  Message  Elapsed              Send     Recv     Send    Recv
Size   Size    Size     Time     Throughput  local    remote   local   remote
bytes  bytes   bytes    secs.    10^6bits/s  % S      % S      us/KB   us/KB

 87380  16384  16384    10.00      3168.31   4.81     4.64     2.988   2.877

After patches :

lpq84:~# ./netperf -H 2002:af6:1153:: -Cc
MIGRATED TCP STREAM TEST from ::0 (::) port 0 AF_INET6 to 2002:af6:1153:: () port 0 AF_INET6
Recv   Send    Send                          Utilization       Service Demand
Socket Socket  Message  Elapsed              Send     Recv     Send    Recv
Size   Size    Size     Time     Throughput  local    remote   local   remote
bytes  bytes   bytes    secs.    10^6bits/s  % S      % S      us/KB   us/KB

 87380  16384  16384    10.00      6006.97   1.86     5.48     0.608   1.795
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 212124dd 2e3bd6a4

drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c

+2 −1
Original line number Diff line number Diff line
@@ -12261,11 +12261,12 @@ static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev, 
		NETIF_F_RXHASH | NETIF_F_HW_VLAN_CTAG_TX;

	if (!CHIP_IS_E1x(bp)) {

		dev->hw_features |= NETIF_F_GSO_GRE | NETIF_F_GSO_UDP_TUNNEL |

				    NETIF_F_GSO_IPIP;

				    NETIF_F_GSO_IPIP | NETIF_F_GSO_SIT;

		dev->hw_enc_features =

			NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG |

			NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |

			NETIF_F_GSO_IPIP |

			NETIF_F_GSO_SIT |

			NETIF_F_GSO_GRE | NETIF_F_GSO_UDP_TUNNEL;

	}

include/linux/netdev_features.h

+2 −0
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ enum { 
	NETIF_F_FSO_BIT,		/* ... FCoE segmentation */

	NETIF_F_GSO_GRE_BIT,		/* ... GRE with TSO */

	NETIF_F_GSO_IPIP_BIT,		/* ... IPIP tunnel with TSO */

	NETIF_F_GSO_SIT_BIT,		/* ... SIT tunnel with TSO */

	NETIF_F_GSO_UDP_TUNNEL_BIT,	/* ... UDP TUNNEL with TSO */

	NETIF_F_GSO_MPLS_BIT,		/* ... MPLS segmentation */

	/**/NETIF_F_GSO_LAST =		/* last bit, see GSO_MASK */
@@ -109,6 +110,7 @@ enum { 
#define NETIF_F_RXALL		__NETIF_F(RXALL)

#define NETIF_F_GSO_GRE		__NETIF_F(GSO_GRE)

#define NETIF_F_GSO_IPIP	__NETIF_F(GSO_IPIP)

#define NETIF_F_GSO_SIT		__NETIF_F(GSO_SIT)

#define NETIF_F_GSO_UDP_TUNNEL	__NETIF_F(GSO_UDP_TUNNEL)

#define NETIF_F_GSO_MPLS	__NETIF_F(GSO_MPLS)

#define NETIF_F_HW_VLAN_STAG_FILTER __NETIF_F(HW_VLAN_STAG_FILTER)

include/linux/skbuff.h

+4 −2
Original line number Diff line number Diff line
@@ -320,9 +320,11 @@ enum { 


	SKB_GSO_IPIP = 1 << 7,



	SKB_GSO_UDP_TUNNEL = 1 << 8,

	SKB_GSO_SIT = 1 << 8,



	SKB_GSO_MPLS = 1 << 9,

	SKB_GSO_UDP_TUNNEL = 1 << 9,



	SKB_GSO_MPLS = 1 << 10,

};



#if BITS_PER_LONG > 32

net/core/ethtool.c

+1 −0
Original line number Diff line number Diff line
@@ -82,6 +82,7 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] 
	[NETIF_F_FSO_BIT] =              "tx-fcoe-segmentation",

	[NETIF_F_GSO_GRE_BIT] =		 "tx-gre-segmentation",

	[NETIF_F_GSO_IPIP_BIT] =	 "tx-ipip-segmentation",

	[NETIF_F_GSO_SIT_BIT] =		 "tx-sit-segmentation",

	[NETIF_F_GSO_UDP_TUNNEL_BIT] =	 "tx-udp_tnl-segmentation",

	[NETIF_F_GSO_MPLS_BIT] =	 "tx-mpls-segmentation",

net/ipv4/af_inet.c

+1 −0
Original line number Diff line number Diff line
@@ -1265,6 +1265,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, 
		       SKB_GSO_TCP_ECN |

		       SKB_GSO_GRE |

		       SKB_GSO_IPIP |

		       SKB_GSO_SIT |

		       SKB_GSO_TCPV6 |

		       SKB_GSO_UDP_TUNNEL |

		       SKB_GSO_MPLS |