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Message-Id: <1231344879-26069-3-git-send-email-cooloney@kernel.org> Date: Thu, 8 Jan 2009 00:14:39 +0800 From: Bryan Wu <cooloney@...nel.org> To: jeff@...zik.org Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Graf Yang <graf.yang@...log.com>, Bryan Wu <cooloney@...nel.org> Subject: [PATCH 2/2] netdev: bfin_mac: enable VLAN support in Blackfin MAC driver From: Graf Yang <graf.yang@...log.com> Fill EMAC_VLAN1 with 0x8100 to admit 1522 long bytes frames. EMAC_VLAN2 seems need not use for now. Signed-off-by: Graf Yang <graf.yang@...log.com> Signed-off-by: Bryan Wu <cooloney@...nel.org> --- drivers/net/bfin_mac.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c index 78e31aa..15d7e62 100644 --- a/drivers/net/bfin_mac.c +++ b/drivers/net/bfin_mac.c @@ -517,6 +517,14 @@ void setup_system_regs(struct net_device *dev) bfin_write_EMAC_MMC_CTL(RSTC | CROLL); +#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) +#define VLAN_ETHER_TYPE 0x8100 + /* The legal length of the frame is increased to 1522 bytes */ + bfin_write_EMAC_VLAN1(VLAN_ETHER_TYPE); + /* The legal length of the frame is increased to 1538 bytes */ + /*bfin_write_EMAC_VLAN2(VLAN_ETHER_TYPE);*/ +#endif + /* Initialize the TX DMA channel registers */ bfin_write_DMA2_X_COUNT(0); bfin_write_DMA2_X_MODIFY(4); -- 1.5.6 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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