diff options
| author | Mike Belopuhov <mikeb@cvs.openbsd.org> | 2012-11-08 18:56:55 +0000 |
|---|---|---|
| committer | Mike Belopuhov <mikeb@cvs.openbsd.org> | 2012-11-08 18:56:55 +0000 |
| commit | 80ef207a0f4678048cd4c10eef92dddf78e8c316 (patch) | |
| tree | 7c72f35e13cd3a4795e815117c576f89faea5553 | |
| parent | 58b194e53e9fbbdd881b66d59bbb7c834d632f19 (diff) | |
hardware supports mtu values from 256 up to 9000;
figured out the hard way, linux driver agrees
| -rw-r--r-- | sys/dev/pci/if_oce.c | 4 | ||||
| -rw-r--r-- | sys/dev/pci/if_ocevar.h | 9 |
2 files changed, 6 insertions, 7 deletions
diff --git a/sys/dev/pci/if_oce.c b/sys/dev/pci/if_oce.c index c3aa8997b1c..b41cd3bf0a8 100644 --- a/sys/dev/pci/if_oce.c +++ b/sys/dev/pci/if_oce.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_oce.c,v 1.47 2012/11/08 18:26:17 mikeb Exp $ */ +/* $OpenBSD: if_oce.c,v 1.48 2012/11/08 18:56:54 mikeb Exp $ */ /* * Copyright (c) 2012 Mike Belopuhov @@ -471,7 +471,7 @@ oce_ioctl(struct ifnet *ifp, u_long command, caddr_t data) } break; case SIOCSIFMTU: - if (ifr->ifr_mtu < ETHERMIN || ifr->ifr_mtu > ifp->if_hardmtu) + if (ifr->ifr_mtu < OCE_MIN_MTU || ifr->ifr_mtu > OCE_MAX_MTU) error = EINVAL; else if (ifp->if_mtu != ifr->ifr_mtu) { ifp->if_mtu = ifr->ifr_mtu; diff --git a/sys/dev/pci/if_ocevar.h b/sys/dev/pci/if_ocevar.h index 8761fdba44c..0f4fba17a72 100644 --- a/sys/dev/pci/if_ocevar.h +++ b/sys/dev/pci/if_ocevar.h @@ -1,4 +1,4 @@ -/* $OpenBSD: if_ocevar.h,v 1.6 2012/11/05 20:05:39 mikeb Exp $ */ +/* $OpenBSD: if_ocevar.h,v 1.7 2012/11/08 18:56:54 mikeb Exp $ */ /*- * Copyright (C) 2012 Emulex @@ -55,10 +55,9 @@ #define OCE_DEFAULT_EQD 80 #define OCE_RQ_BUF_SIZE 2048 #define OCE_LSO_MAX_SIZE (64 * 1024) -#define OCE_MAX_JUMBO_FRAME_SIZE 16360 -#define OCE_MAX_MTU (OCE_MAX_JUMBO_FRAME_SIZE - \ - ETHER_VLAN_ENCAP_LEN - \ - ETHER_HDR_LEN - ETHER_CRC_LEN) + +#define OCE_MIN_MTU 256 +#define OCE_MAX_MTU 9000 #define OCE_MAX_TX_ELEMENTS 29 #define OCE_MAX_TX_DESC 1024 |