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Add TSO support.

Browse source 
Tested by:	wilko,  Pieter de Goeje < pieter AT degoeje DOT nl >
This commit is contained in:
Pyun YongHyeon 2006-11-21 04:40:30 +00:00
parent 960fd5b3d0
commit dc74159da6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=164463
2 changed files with 25 additions and 10 deletions
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34
sys/dev/re/if_re.c
View file

@ -1258,8 +1258,8 @@ re_attach(dev)
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_ioctl = re_ioctl;
ifp->if_start = re_start;
ifp->if_hwassist = RE_CSUM_FEATURES;
ifp->if_capabilities = IFCAP_HWCSUM;
ifp->if_hwassist = RE_CSUM_FEATURES | CSUM_TSO;
ifp->if_capabilities = IFCAP_HWCSUM | IFCAP_TSO4;
ifp->if_capenable = ifp->if_capabilities;
ifp->if_watchdog = re_watchdog;
ifp->if_init = re_init;
@ -2032,12 +2032,18 @@ re_encap(sc, m_head, idx)
arg.rl_flags = 0;
if ((*m_head)->m_pkthdr.csum_flags & CSUM_IP)
arg.rl_flags |= RL_TDESC_CMD_IPCSUM;
if ((*m_head)->m_pkthdr.csum_flags & CSUM_TCP)
arg.rl_flags |= RL_TDESC_CMD_TCPCSUM;
if ((*m_head)->m_pkthdr.csum_flags & CSUM_UDP)
arg.rl_flags |= RL_TDESC_CMD_UDPCSUM;
if (((*m_head)->m_pkthdr.csum_flags & CSUM_TSO) != 0)
arg.rl_flags = RL_TDESC_CMD_LGSEND |
((uint32_t)(*m_head)->m_pkthdr.tso_segsz <<
RL_TDESC_CMD_MSSVAL_SHIFT);
else {
if ((*m_head)->m_pkthdr.csum_flags & CSUM_IP)
arg.rl_flags |= RL_TDESC_CMD_IPCSUM;
if ((*m_head)->m_pkthdr.csum_flags & CSUM_TCP)
arg.rl_flags |= RL_TDESC_CMD_TCPCSUM;
if ((*m_head)->m_pkthdr.csum_flags & CSUM_UDP)
arg.rl_flags |= RL_TDESC_CMD_UDPCSUM;
}
arg.sc = sc;
arg.rl_idx = *idx;
@ -2542,15 +2548,23 @@ re_ioctl(ifp, command, data)
if (mask & IFCAP_HWCSUM) {
ifp->if_capenable ^= IFCAP_HWCSUM;
if (ifp->if_capenable & IFCAP_TXCSUM)
ifp->if_hwassist = RE_CSUM_FEATURES;
ifp->if_hwassist |= RE_CSUM_FEATURES;
else
ifp->if_hwassist = 0;
ifp->if_hwassist = ~RE_CSUM_FEATURES;
reinit = 1;
}
if (mask & IFCAP_VLAN_HWTAGGING) {
ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
reinit = 1;
}
if (mask & IFCAP_TSO4) {
ifp->if_capenable ^= IFCAP_TSO4;
if ((IFCAP_TSO4 & ifp->if_capenable) &&
(IFCAP_TSO4 & ifp->if_capabilities))
ifp->if_hwassist |= CSUM_TSO;
else
ifp->if_hwassist &= ~CSUM_TSO;
}
if (reinit && ifp->if_drv_flags & IFF_DRV_RUNNING)
re_init(sc);
VLAN_CAPABILITIES(ifp);

1
sys/pci/if_rlreg.h
View file

@ -541,6 +541,7 @@ struct rl_desc {
#define RL_TDESC_CMD_UDPCSUM 0x00020000 /* UDP checksum enable */
#define RL_TDESC_CMD_IPCSUM 0x00040000 /* IP header checksum enable */
#define RL_TDESC_CMD_MSSVAL 0x07FF0000 /* Large send MSS value */
#define RL_TDESC_CMD_MSSVAL_SHIFT 16 /* Large send MSS value shift */
#define RL_TDESC_CMD_LGSEND 0x08000000 /* TCP large send enb */
#define RL_TDESC_CMD_EOF 0x10000000 /* end of frame marker */
#define RL_TDESC_CMD_SOF 0x20000000 /* start of frame marker */