diff options
Diffstat (limited to 'drivers/net/via-velocity.c')
| -rw-r--r-- | drivers/net/via-velocity.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c index c93f58f5c6f2..317aa34b21cf 100644 --- a/drivers/net/via-velocity.c +++ b/drivers/net/via-velocity.c | |||
| @@ -1877,13 +1877,12 @@ static void velocity_error(struct velocity_info *vptr, int status) | |||
| 1877 | /** | 1877 | /** |
| 1878 | * tx_srv - transmit interrupt service | 1878 | * tx_srv - transmit interrupt service |
| 1879 | * @vptr; Velocity | 1879 | * @vptr; Velocity |
| 1880 | * @status: | ||
| 1881 | * | 1880 | * |
| 1882 | * Scan the queues looking for transmitted packets that | 1881 | * Scan the queues looking for transmitted packets that |
| 1883 | * we can complete and clean up. Update any statistics as | 1882 | * we can complete and clean up. Update any statistics as |
| 1884 | * necessary/ | 1883 | * necessary/ |
| 1885 | */ | 1884 | */ |
| 1886 | static int velocity_tx_srv(struct velocity_info *vptr, u32 status) | 1885 | static int velocity_tx_srv(struct velocity_info *vptr) |
| 1887 | { | 1886 | { |
| 1888 | struct tx_desc *td; | 1887 | struct tx_desc *td; |
| 1889 | int qnum; | 1888 | int qnum; |
| @@ -2090,14 +2089,12 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx) | |||
| 2090 | /** | 2089 | /** |
| 2091 | * velocity_rx_srv - service RX interrupt | 2090 | * velocity_rx_srv - service RX interrupt |
| 2092 | * @vptr: velocity | 2091 | * @vptr: velocity |
| 2093 | * @status: adapter status (unused) | ||
| 2094 | * | 2092 | * |
| 2095 | * Walk the receive ring of the velocity adapter and remove | 2093 | * Walk the receive ring of the velocity adapter and remove |
| 2096 | * any received packets from the receive queue. Hand the ring | 2094 | * any received packets from the receive queue. Hand the ring |
| 2097 | * slots back to the adapter for reuse. | 2095 | * slots back to the adapter for reuse. |
| 2098 | */ | 2096 | */ |
| 2099 | static int velocity_rx_srv(struct velocity_info *vptr, int status, | 2097 | static int velocity_rx_srv(struct velocity_info *vptr, int budget_left) |
| 2100 | int budget_left) | ||
| 2101 | { | 2098 | { |
| 2102 | struct net_device_stats *stats = &vptr->dev->stats; | 2099 | struct net_device_stats *stats = &vptr->dev->stats; |
| 2103 | int rd_curr = vptr->rx.curr; | 2100 | int rd_curr = vptr->rx.curr; |
| @@ -2151,32 +2148,24 @@ static int velocity_poll(struct napi_struct *napi, int budget) | |||
| 2151 | struct velocity_info *vptr = container_of(napi, | 2148 | struct velocity_info *vptr = container_of(napi, |
| 2152 | struct velocity_info, napi); | 2149 | struct velocity_info, napi); |
| 2153 | unsigned int rx_done; | 2150 | unsigned int rx_done; |
| 2154 | u32 isr_status; | 2151 | unsigned long flags; |
| 2155 | |||
| 2156 | spin_lock(&vptr->lock); | ||
| 2157 | isr_status = mac_read_isr(vptr->mac_regs); | ||
| 2158 | |||
| 2159 | /* Ack the interrupt */ | ||
| 2160 | mac_write_isr(vptr->mac_regs, isr_status); | ||
| 2161 | if (isr_status & (~(ISR_PRXI | ISR_PPRXI | ISR_PTXI | ISR_PPTXI))) | ||
| 2162 | velocity_error(vptr, isr_status); | ||
| 2163 | 2152 | ||
| 2153 | spin_lock_irqsave(&vptr->lock, flags); | ||
| 2164 | /* | 2154 | /* |
| 2165 | * Do rx and tx twice for performance (taken from the VIA | 2155 | * Do rx and tx twice for performance (taken from the VIA |
| 2166 | * out-of-tree driver). | 2156 | * out-of-tree driver). |
| 2167 | */ | 2157 | */ |
| 2168 | rx_done = velocity_rx_srv(vptr, isr_status, budget / 2); | 2158 | rx_done = velocity_rx_srv(vptr, budget / 2); |
| 2169 | velocity_tx_srv(vptr, isr_status); | 2159 | velocity_tx_srv(vptr); |
| 2170 | rx_done += velocity_rx_srv(vptr, isr_status, budget - rx_done); | 2160 | rx_done += velocity_rx_srv(vptr, budget - rx_done); |
| 2171 | velocity_tx_srv(vptr, isr_status); | 2161 | velocity_tx_srv(vptr); |
| 2172 | |||
| 2173 | spin_unlock(&vptr->lock); | ||
| 2174 | 2162 | ||
| 2175 | /* If budget not fully consumed, exit the polling mode */ | 2163 | /* If budget not fully consumed, exit the polling mode */ |
| 2176 | if (rx_done < budget) { | 2164 | if (rx_done < budget) { |
| 2177 | napi_complete(napi); | 2165 | napi_complete(napi); |
| 2178 | mac_enable_int(vptr->mac_regs); | 2166 | mac_enable_int(vptr->mac_regs); |
| 2179 | } | 2167 | } |
| 2168 | spin_unlock_irqrestore(&vptr->lock, flags); | ||
| 2180 | 2169 | ||
| 2181 | return rx_done; | 2170 | return rx_done; |
| 2182 | } | 2171 | } |
| @@ -2206,10 +2195,17 @@ static irqreturn_t velocity_intr(int irq, void *dev_instance) | |||
| 2206 | return IRQ_NONE; | 2195 | return IRQ_NONE; |
| 2207 | } | 2196 | } |
| 2208 | 2197 | ||
| 2198 | /* Ack the interrupt */ | ||
| 2199 | mac_write_isr(vptr->mac_regs, isr_status); | ||
| 2200 | |||
| 2209 | if (likely(napi_schedule_prep(&vptr->napi))) { | 2201 | if (likely(napi_schedule_prep(&vptr->napi))) { |
| 2210 | mac_disable_int(vptr->mac_regs); | 2202 | mac_disable_int(vptr->mac_regs); |
| 2211 | __napi_schedule(&vptr->napi); | 2203 | __napi_schedule(&vptr->napi); |
| 2212 | } | 2204 | } |
| 2205 | |||
| 2206 | if (isr_status & (~(ISR_PRXI | ISR_PPRXI | ISR_PTXI | ISR_PPTXI))) | ||
| 2207 | velocity_error(vptr, isr_status); | ||
| 2208 | |||
| 2213 | spin_unlock(&vptr->lock); | 2209 | spin_unlock(&vptr->lock); |
| 2214 | 2210 | ||
| 2215 | return IRQ_HANDLED; | 2211 | return IRQ_HANDLED; |
| @@ -3100,7 +3096,7 @@ static int velocity_resume(struct pci_dev *pdev) | |||
| 3100 | velocity_init_registers(vptr, VELOCITY_INIT_WOL); | 3096 | velocity_init_registers(vptr, VELOCITY_INIT_WOL); |
| 3101 | mac_disable_int(vptr->mac_regs); | 3097 | mac_disable_int(vptr->mac_regs); |
| 3102 | 3098 | ||
| 3103 | velocity_tx_srv(vptr, 0); | 3099 | velocity_tx_srv(vptr); |
| 3104 | 3100 | ||
| 3105 | for (i = 0; i < vptr->tx.numq; i++) { | 3101 | for (i = 0; i < vptr->tx.numq; i++) { |
| 3106 | if (vptr->tx.used[i]) | 3102 | if (vptr->tx.used[i]) |
| @@ -3344,6 +3340,7 @@ static int velocity_set_coalesce(struct net_device *dev, | |||
| 3344 | { | 3340 | { |
| 3345 | struct velocity_info *vptr = netdev_priv(dev); | 3341 | struct velocity_info *vptr = netdev_priv(dev); |
| 3346 | int max_us = 0x3f * 64; | 3342 | int max_us = 0x3f * 64; |
| 3343 | unsigned long flags; | ||
| 3347 | 3344 | ||
| 3348 | /* 6 bits of */ | 3345 | /* 6 bits of */ |
| 3349 | if (ecmd->tx_coalesce_usecs > max_us) | 3346 | if (ecmd->tx_coalesce_usecs > max_us) |
| @@ -3365,6 +3362,7 @@ static int velocity_set_coalesce(struct net_device *dev, | |||
| 3365 | ecmd->tx_coalesce_usecs); | 3362 | ecmd->tx_coalesce_usecs); |
| 3366 | 3363 | ||
| 3367 | /* Setup the interrupt suppression and queue timers */ | 3364 | /* Setup the interrupt suppression and queue timers */ |
| 3365 | spin_lock_irqsave(&vptr->lock, flags); | ||
| 3368 | mac_disable_int(vptr->mac_regs); | 3366 | mac_disable_int(vptr->mac_regs); |
| 3369 | setup_adaptive_interrupts(vptr); | 3367 | setup_adaptive_interrupts(vptr); |
| 3370 | setup_queue_timers(vptr); | 3368 | setup_queue_timers(vptr); |
| @@ -3372,6 +3370,7 @@ static int velocity_set_coalesce(struct net_device *dev, | |||
| 3372 | mac_write_int_mask(vptr->int_mask, vptr->mac_regs); | 3370 | mac_write_int_mask(vptr->int_mask, vptr->mac_regs); |
| 3373 | mac_clear_isr(vptr->mac_regs); | 3371 | mac_clear_isr(vptr->mac_regs); |
| 3374 | mac_enable_int(vptr->mac_regs); | 3372 | mac_enable_int(vptr->mac_regs); |
| 3373 | spin_unlock_irqrestore(&vptr->lock, flags); | ||
| 3375 | 3374 | ||
| 3376 | return 0; | 3375 | return 0; |
| 3377 | } | 3376 | } |
