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| author | bz <bz@FreeBSD.org> | 2004-12-20 10:07:12 +0000 |
|---|---|---|
| committer | bz <bz@FreeBSD.org> | 2004-12-20 10:07:12 +0000 |
| commit | 457df2c499d55770f879b97fe99f82b3ae638737 (patch) | |
| tree | 7165cb18a75187b7cf81efa55ad9e4b121a6223b /sys/pci | |
| parent | 80bf67513f7be1aec9cd1c7eb34a33ea962e37f6 (diff) | |
| download | FreeBSD-src-457df2c499d55770f879b97fe99f82b3ae638737.zip FreeBSD-src-457df2c499d55770f879b97fe99f82b3ae638737.tar.gz | |
Enable jumbo frames on Yukon variants of sk(4).
In contrast to OpenBSD we enable jumbo frame support
depending on MTU setting (like done for xmac).
Approved by: pjd (mentor)
Obtained from: OpenBSD if_sk.c r1.52 (YU_SMR_MFL_JUMBO flag)
Tested by: Heinz Knocke <knockefreebsd at o2 dot pl>
MFC after: 5 days
Diffstat (limited to 'sys/pci')
| -rw-r--r-- | sys/pci/if_sk.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sys/pci/if_sk.c b/sys/pci/if_sk.c index c31b88c..be66cfb 100644 --- a/sys/pci/if_sk.c +++ b/sys/pci/if_sk.c @@ -2438,8 +2438,13 @@ sk_init_yukon(sc_if) { u_int32_t phy; u_int16_t reg; + struct sk_softc *sc; + struct ifnet *ifp; int i; + sc = sc_if->sk_softc; + ifp = &sc_if->arpcom.ac_if; + /* GMAC and GPHY Reset */ SK_IF_WRITE_4(sc_if, 0, SK_GPHY_CTRL, SK_GPHY_RESET_SET); SK_IF_WRITE_4(sc_if, 0, SK_GMAC_CTRL, SK_GMAC_RESET_SET); @@ -2490,8 +2495,10 @@ sk_init_yukon(sc_if) YU_TPR_JAM_IPG(0xb) | YU_TPR_JAM2DATA_IPG(0x1a) ); /* serial mode register */ - SK_YU_WRITE_2(sc_if, YUKON_SMR, YU_SMR_DATA_BLIND(0x1c) | - YU_SMR_MFL_VLAN | YU_SMR_IPG_DATA(0x1e)); + reg = YU_SMR_DATA_BLIND(0x1c) | YU_SMR_MFL_VLAN | YU_SMR_IPG_DATA(0x1e); + if (ifp->if_mtu > (ETHERMTU + ETHER_HDR_LEN + ETHER_CRC_LEN)) + reg |= YU_SMR_MFL_JUMBO; + SK_YU_WRITE_2(sc_if, YUKON_SMR, reg); /* Setup Yukon's address */ for (i = 0; i < 3; i++) { |
