diff options
Diffstat (limited to 'drivers/net/gianfar.c')
-rw-r--r-- | drivers/net/gianfar.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 2dfcc8047847..dfa55f94ba7f 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c | |||
@@ -2289,6 +2289,23 @@ static int gfar_set_mac_address(struct net_device *dev) | |||
2289 | return 0; | 2289 | return 0; |
2290 | } | 2290 | } |
2291 | 2291 | ||
2292 | /* Check if rx parser should be activated */ | ||
2293 | void gfar_check_rx_parser_mode(struct gfar_private *priv) | ||
2294 | { | ||
2295 | struct gfar __iomem *regs; | ||
2296 | u32 tempval; | ||
2297 | |||
2298 | regs = priv->gfargrp[0].regs; | ||
2299 | |||
2300 | tempval = gfar_read(®s->rctrl); | ||
2301 | /* If parse is no longer required, then disable parser */ | ||
2302 | if (tempval & RCTRL_REQ_PARSER) | ||
2303 | tempval |= RCTRL_PRSDEP_INIT; | ||
2304 | else | ||
2305 | tempval &= ~RCTRL_PRSDEP_INIT; | ||
2306 | gfar_write(®s->rctrl, tempval); | ||
2307 | } | ||
2308 | |||
2292 | 2309 | ||
2293 | /* Enables and disables VLAN insertion/extraction */ | 2310 | /* Enables and disables VLAN insertion/extraction */ |
2294 | static void gfar_vlan_rx_register(struct net_device *dev, | 2311 | static void gfar_vlan_rx_register(struct net_device *dev, |
@@ -2325,12 +2342,9 @@ static void gfar_vlan_rx_register(struct net_device *dev, | |||
2325 | /* Disable VLAN tag extraction */ | 2342 | /* Disable VLAN tag extraction */ |
2326 | tempval = gfar_read(®s->rctrl); | 2343 | tempval = gfar_read(®s->rctrl); |
2327 | tempval &= ~RCTRL_VLEX; | 2344 | tempval &= ~RCTRL_VLEX; |
2328 | /* If parse is no longer required, then disable parser */ | ||
2329 | if (tempval & RCTRL_REQ_PARSER) | ||
2330 | tempval |= RCTRL_PRSDEP_INIT; | ||
2331 | else | ||
2332 | tempval &= ~RCTRL_PRSDEP_INIT; | ||
2333 | gfar_write(®s->rctrl, tempval); | 2345 | gfar_write(®s->rctrl, tempval); |
2346 | |||
2347 | gfar_check_rx_parser_mode(priv); | ||
2334 | } | 2348 | } |
2335 | 2349 | ||
2336 | gfar_change_mtu(dev, dev->mtu); | 2350 | gfar_change_mtu(dev, dev->mtu); |