diff options
Diffstat (limited to 'sys/net/if_vlan.c')
| -rw-r--r-- | sys/net/if_vlan.c | 64 |
1 files changed, 45 insertions, 19 deletions
diff --git a/sys/net/if_vlan.c b/sys/net/if_vlan.c index 223b823..1d3e827 100644 --- a/sys/net/if_vlan.c +++ b/sys/net/if_vlan.c @@ -112,6 +112,7 @@ struct ifvlan { #define PARENT(ifv) ((ifv)->ifv_trunk->parent) void *ifv_cookie; int ifv_pflags; /* special flags we have set on parent */ + int ifv_capenable; struct ifv_linkmib { int ifvm_encaplen; /* encapsulation length */ int ifvm_mtufudge; /* MTU fudged by this much */ @@ -1286,6 +1287,7 @@ exists: ifv->ifv_encaplen = ETHER_VLAN_ENCAP_LEN; ifv->ifv_mintu = ETHERMIN; ifv->ifv_pflags = 0; + ifv->ifv_capenable = -1; /* * If the parent supports the VLAN_MTU capability, @@ -1537,9 +1539,14 @@ vlan_capabilities(struct ifvlan *ifv) struct ifnet *p = PARENT(ifv); struct ifnet *ifp = ifv->ifv_ifp; struct ifnet_hw_tsomax hw_tsomax; + int cap = 0, ena = 0, mena; + u_long hwa = 0; TRUNK_LOCK_ASSERT(TRUNK(ifv)); + /* Mask parent interface enabled capabilities disabled by user. */ + mena = p->if_capenable & ifv->ifv_capenable; + /* * If the parent interface can do checksum offloading * on VLANs, then propagate its hardware-assisted @@ -1547,20 +1554,18 @@ vlan_capabilities(struct ifvlan *ifv) * offloading requires hardware VLAN tagging. */ if (p->if_capabilities & IFCAP_VLAN_HWCSUM) - ifp->if_capabilities = - p->if_capabilities & (IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6); - + cap |= p->if_capabilities & (IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6); if (p->if_capenable & IFCAP_VLAN_HWCSUM && p->if_capenable & IFCAP_VLAN_HWTAGGING) { - ifp->if_capenable = - p->if_capenable & (IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6); - ifp->if_hwassist = p->if_hwassist & (CSUM_IP | CSUM_TCP | - CSUM_UDP | CSUM_SCTP | CSUM_TCP_IPV6 | CSUM_UDP_IPV6 | - CSUM_SCTP_IPV6); - } else { - ifp->if_capenable = 0; - ifp->if_hwassist = 0; + ena |= mena & (IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6); + if (ena & IFCAP_TXCSUM) + hwa |= p->if_hwassist & (CSUM_IP | CSUM_TCP | + CSUM_UDP | CSUM_SCTP); + if (ena & IFCAP_TXCSUM_IPV6) + hwa |= p->if_hwassist & (CSUM_TCP_IPV6 | + CSUM_UDP_IPV6 | CSUM_SCTP_IPV6); } + /* * If the parent interface can do TSO on VLANs then * propagate the hardware-assisted flag. TSO on VLANs @@ -1570,13 +1575,11 @@ vlan_capabilities(struct ifvlan *ifv) if_hw_tsomax_common(p, &hw_tsomax); if_hw_tsomax_update(ifp, &hw_tsomax); if (p->if_capabilities & IFCAP_VLAN_HWTSO) - ifp->if_capabilities |= p->if_capabilities & IFCAP_TSO; + cap |= p->if_capabilities & IFCAP_TSO; if (p->if_capenable & IFCAP_VLAN_HWTSO) { - ifp->if_capenable |= p->if_capenable & IFCAP_TSO; - ifp->if_hwassist |= p->if_hwassist & CSUM_TSO; - } else { - ifp->if_capenable &= ~(p->if_capenable & IFCAP_TSO); - ifp->if_hwassist &= ~(p->if_hwassist & CSUM_TSO); + ena |= mena & IFCAP_TSO; + if (ena & IFCAP_TSO) + hwa |= p->if_hwassist & CSUM_TSO; } /* @@ -1589,11 +1592,22 @@ vlan_capabilities(struct ifvlan *ifv) */ #define IFCAP_VLAN_TOE IFCAP_TOE if (p->if_capabilities & IFCAP_VLAN_TOE) - ifp->if_capabilities |= p->if_capabilities & IFCAP_TOE; + cap |= p->if_capabilities & IFCAP_TOE; if (p->if_capenable & IFCAP_VLAN_TOE) { TOEDEV(ifp) = TOEDEV(p); - ifp->if_capenable |= p->if_capenable & IFCAP_TOE; + ena |= mena & IFCAP_TOE; } + + /* + * If the parent interface supports dynamic link state, so does the + * VLAN interface. + */ + cap |= (p->if_capabilities & IFCAP_LINKSTATE); + ena |= (mena & IFCAP_LINKSTATE); + + ifp->if_capabilities = cap; + ifp->if_capenable = ena; + ifp->if_hwassist = hwa; } static void @@ -1797,6 +1811,18 @@ vlan_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) vlan_tag_recalculate(ifv); break; + case SIOCSIFCAP: + VLAN_LOCK(); + ifv->ifv_capenable = ifr->ifr_reqcap; + trunk = TRUNK(ifv); + if (trunk != NULL) { + TRUNK_LOCK(trunk); + vlan_capabilities(ifv); + TRUNK_UNLOCK(trunk); + } + VLAN_UNLOCK(); + break; + default: error = EINVAL; break; |
