diff options
| author | joerg <joerg@FreeBSD.org> | 2004-05-06 13:38:19 +0000 |
|---|---|---|
| committer | joerg <joerg@FreeBSD.org> | 2004-05-06 13:38:19 +0000 |
| commit | 0eb7bd70bbf293091080c147f5474240134e7cc5 (patch) | |
| tree | 51fe18a3236a9e68ce9d9ad3a69c9090260cce3f /sys/dev/hme | |
| parent | 343b9c0fdd2537ac1676752fd956c2a7d329d044 (diff) | |
| download | FreeBSD-src-0eb7bd70bbf293091080c147f5474240134e7cc5.zip FreeBSD-src-0eb7bd70bbf293091080c147f5474240134e7cc5.tar.gz | |
The Sun hme hardware supposedly supports Tx frames up to 65535 octets,
and Rx frames up to 8191 octets, so it is perfectly capable of supporting
vlan(4)-style VLAN natively.
Thus, make it support VLAN `oversize' frames.
Reviewed by: tmm
Diffstat (limited to 'sys/dev/hme')
| -rw-r--r-- | sys/dev/hme/if_hme.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/sys/dev/hme/if_hme.c b/sys/dev/hme/if_hme.c index ab62245..d476158 100644 --- a/sys/dev/hme/if_hme.c +++ b/sys/dev/hme/if_hme.c @@ -77,6 +77,7 @@ __FBSDID("$FreeBSD$"); #include <net/if_arp.h> #include <net/if_dl.h> #include <net/if_media.h> +#include <net/if_vlan_var.h> #include <dev/mii/mii.h> #include <dev/mii/miivar.h> @@ -150,6 +151,9 @@ MODULE_DEPEND(hme, miibus, 1, 1, 1); } \ } while(0) +/* Support oversized VLAN frames. */ +#define HME_MAX_FRAMESIZE (ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN) + int hme_config(struct hme_softc *sc) { @@ -311,6 +315,12 @@ hme_config(struct hme_softc *sc) /* Attach the interface. */ ether_ifattach(ifp, sc->sc_arpcom.ac_enaddr); + /* + * Tell the upper layer(s) we support long frames. + */ + ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header); + ifp->if_capabilities |= IFCAP_VLAN_MTU; + callout_init(&sc->sc_tick_ch, 0); return (0); @@ -676,7 +686,7 @@ hme_init(void *xsc) HME_MAC_WRITE_4(sc, HME_MACI_FCCNT, 0); HME_MAC_WRITE_4(sc, HME_MACI_EXCNT, 0); HME_MAC_WRITE_4(sc, HME_MACI_LTCNT, 0); - HME_MAC_WRITE_4(sc, HME_MACI_TXSIZE, ETHER_MAX_LEN); + HME_MAC_WRITE_4(sc, HME_MACI_TXSIZE, HME_MAX_FRAMESIZE); /* Load station MAC address */ ea = sc->sc_arpcom.ac_enaddr; @@ -703,7 +713,7 @@ hme_init(void *xsc) HME_ETX_WRITE_4(sc, HME_ETXI_RSIZE, HME_NTXDESC / 16 - 1); HME_ERX_WRITE_4(sc, HME_ERXI_RING, sc->sc_rb.rb_rxddma); - HME_MAC_WRITE_4(sc, HME_MACI_RXSIZE, ETHER_MAX_LEN); + HME_MAC_WRITE_4(sc, HME_MACI_RXSIZE, HME_MAX_FRAMESIZE); /* step 8. Global Configuration & Interrupt Mask */ HME_SEB_WRITE_4(sc, HME_SEBI_IMASK, @@ -943,7 +953,7 @@ hme_read(struct hme_softc *sc, int ix, int len) struct mbuf *m; if (len <= sizeof(struct ether_header) || - len > ETHERMTU + sizeof(struct ether_header)) { + len > HME_MAX_FRAMESIZE) { #ifdef HMEDEBUG HME_WHINE(sc->sc_dev, "invalid packet size %d; dropping\n", len); |
