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Support checksum offloading for TCP/IPV6 and UDP/IPV6.

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Support SCTP checksum offloading for SCTP/IPV6.
Support SCTP checksum offloading on all controllers except 82575.

Reviewed by:	sbruno@, erj@
MFC after: 	4 weeks
Differential Revision:	D5193
This commit is contained in:
Michael Tuexen 2016-03-22 12:40:09 +00:00
parent 9e9a7326dd
commit e180827abc
2 changed files with 53 additions and 7 deletions
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54
sys/dev/e1000/if_igb.c
View file

@ -1184,10 +1184,27 @@ igb_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
}
}
#endif
#if __FreeBSD_version >= 1000000
/* HW cannot turn these on/off separately */
if (mask & (IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6)) {
ifp->if_capenable ^= IFCAP_RXCSUM;
ifp->if_capenable ^= IFCAP_RXCSUM_IPV6;
reinit = 1;
}
if (mask & IFCAP_TXCSUM) {
ifp->if_capenable ^= IFCAP_TXCSUM;
reinit = 1;
}
if (mask & IFCAP_TXCSUM_IPV6) {
ifp->if_capenable ^= IFCAP_TXCSUM_IPV6;
reinit = 1;
}
#else
if (mask & IFCAP_HWCSUM) {
ifp->if_capenable ^= IFCAP_HWCSUM;
reinit = 1;
}
#endif
if (mask & IFCAP_TSO4) {
ifp->if_capenable ^= IFCAP_TSO4;
reinit = 1;
@ -1266,14 +1283,26 @@ igb_init_locked(struct adapter *adapter)
/* Set hardware offload abilities */
ifp->if_hwassist = 0;
if (ifp->if_capenable & IFCAP_TXCSUM) {
#if __FreeBSD_version >= 1000000
ifp->if_hwassist |= (CSUM_IP_TCP | CSUM_IP_UDP);
if (adapter->hw.mac.type != e1000_82575)
ifp->if_hwassist |= CSUM_IP_SCTP;
#else
ifp->if_hwassist |= (CSUM_TCP | CSUM_UDP);
#if __FreeBSD_version >= 800000
if ((adapter->hw.mac.type == e1000_82576) ||
(adapter->hw.mac.type == e1000_82580))
if (adapter->hw.mac.type != e1000_82575)
ifp->if_hwassist |= CSUM_SCTP;
#endif
#endif
}
#if __FreeBSD_version >= 1000000
if (ifp->if_capenable & IFCAP_TXCSUM_IPV6) {
ifp->if_hwassist |= (CSUM_IP6_TCP | CSUM_IP6_UDP);
if (adapter->hw.mac.type != e1000_82575)
ifp->if_hwassist |= CSUM_IP6_SCTP;
}
#endif
if (ifp->if_capenable & IFCAP_TSO)
ifp->if_hwassist |= CSUM_TSO;
@ -3160,6 +3189,9 @@ igb_setup_interface(device_t dev, struct adapter *adapter)
ifp->if_capabilities = ifp->if_capenable = 0;
ifp->if_capabilities = IFCAP_HWCSUM | IFCAP_VLAN_HWCSUM;
#if __FreeBSD_version >= 1000000
ifp->if_capabilities |= IFCAP_HWCSUM_IPV6;
#endif
ifp->if_capabilities |= IFCAP_TSO;
ifp->if_capabilities |= IFCAP_JUMBO_MTU;
ifp->if_capenable = ifp->if_capabilities;
@ -3933,17 +3965,29 @@ igb_tx_ctx_setup(struct tx_ring *txr, struct mbuf *mp,
switch (ipproto) {
case IPPROTO_TCP:
#if __FreeBSD_version >= 1000000
if (mp->m_pkthdr.csum_flags & (CSUM_IP_TCP | CSUM_IP6_TCP))
#else
if (mp->m_pkthdr.csum_flags & CSUM_TCP)
#endif
type_tucmd_mlhl |= E1000_ADVTXD_TUCMD_L4T_TCP;
break;
case IPPROTO_UDP:
#if __FreeBSD_version >= 1000000
if (mp->m_pkthdr.csum_flags & (CSUM_IP_UDP | CSUM_IP6_UDP))
#else
if (mp->m_pkthdr.csum_flags & CSUM_UDP)
#endif
type_tucmd_mlhl |= E1000_ADVTXD_TUCMD_L4T_UDP;
break;
#if __FreeBSD_version >= 800000
case IPPROTO_SCTP:
#if __FreeBSD_version >= 1000000
if (mp->m_pkthdr.csum_flags & (CSUM_IP_SCTP | CSUM_IP6_SCTP))
#else
if (mp->m_pkthdr.csum_flags & CSUM_SCTP)
#endif
type_tucmd_mlhl |= E1000_ADVTXD_TUCMD_L4T_SCTP;
break;
#endif
@ -4701,8 +4745,7 @@ igb_initialize_receive_units(struct adapter *adapter)
rxcsum |= E1000_RXCSUM_PCSD;
#if __FreeBSD_version >= 800000
/* For SCTP Offload */
if (((hw->mac.type == e1000_82576) ||
(hw->mac.type == e1000_82580)) &&
if ((hw->mac.type != e1000_82575) &&
(ifp->if_capenable & IFCAP_RXCSUM))
rxcsum |= E1000_RXCSUM_CRCOFL;
#endif
@ -4711,8 +4754,7 @@ igb_initialize_receive_units(struct adapter *adapter)
if (ifp->if_capenable & IFCAP_RXCSUM) {
rxcsum |= E1000_RXCSUM_IPPCSE;
#if __FreeBSD_version >= 800000
if ((adapter->hw.mac.type == e1000_82576) ||
(adapter->hw.mac.type == e1000_82580))
if (adapter->hw.mac.type != e1000_82575)
rxcsum |= E1000_RXCSUM_CRCOFL;
#endif
} else

6
sys/dev/e1000/if_igb.h
View file

@ -291,7 +291,11 @@
#define ETH_ADDR_LEN 6
/* Offload bits in mbuf flag */
#if __FreeBSD_version >= 800000
#if __FreeBSD_version >= 1000000
#define CSUM_OFFLOAD_IPV4 (CSUM_IP|CSUM_IP_TCP|CSUM_IP_UDP|CSUM_IP_SCTP)
#define CSUM_OFFLOAD_IPV6 (CSUM_IP6_TCP|CSUM_IP6_UDP|CSUM_IP6_SCTP)
#define CSUM_OFFLOAD (CSUM_OFFLOAD_IPV4|CSUM_OFFLOAD_IPV6)
#elif __FreeBSD_version >= 800000
#define CSUM_OFFLOAD (CSUM_IP|CSUM_TCP|CSUM_UDP|CSUM_SCTP)
#else
#define CSUM_OFFLOAD (CSUM_IP|CSUM_TCP|CSUM_UDP)